CN108270892B - Shell assembly, electronic equipment and control method thereof - Google Patents

Abstract

The application provides a housing assembly, an electronic device and a control method thereof. The housing assembly includes a middle frame, a first decorative piece, a driving mechanism and an elastic piece; the middle frame is provided with a sound transmission channel; the first decorative piece is movable is arranged on the sound outlet side of the sound transmission channel; the driving mechanism includes a motor and a cam, the output shaft of the motor is connected with the cam to drive the cam to rotate, and the cam can abut with the first decorative piece to drive the first decorative piece when the cam rotates The elastic piece is connected with the first decorative piece and used to generate an elastic force opposite to the driving direction of the cam, and the elastic force cooperates with the cam to drive the first decorative piece to open or close the sound transmission channel on the sound outlet side. Through this housing assembly, the present application can make the sound transmission channel closed when not in use, and the sound transmission channel will be opened only when it is in use, preventing external dust from entering the interior of the electronic device through the sound transmission channel , which improves the sound quality.

Description

A housing assembly, electronic equipment and control method thereof

technical field

The present application relates to the technical field of electronic devices, and in particular, to a housing assembly, an electronic device and a control method thereof.

Background technique

During the long-term use of the existing dustproof net on the electro-acoustic device of the mobile phone, the dust in the environment falls from the sound transmission channel to the dustproof net, so that the accumulated dust can easily block the holes of the dustproof net over time. , thereby reducing the sound quality.

SUMMARY OF THE INVENTION

In one aspect, an embodiment of the present application provides a casing assembly, the casing assembly comprising: a middle frame provided with a sound transmission channel; a first decorative piece movably disposed on a sound outlet side of the sound transmission channel; A driving mechanism includes a motor and a cam, the output shaft of the motor is connected with the cam to drive the cam to rotate, and the cam can abut with the first decorative piece to drive the cam when the cam rotates the first decorative piece moves relative to the middle frame; the elastic piece is connected with the first decorative piece and is used to generate an elastic force opposite to the driving direction of the cam, and the elastic force cooperates with the cam to drive the first decorative piece The decorative piece opens or closes the sound transmission channel on the sound exit side.

Another aspect of the embodiments of the present application further provides an electronic device, the electronic device includes an electro-acoustic device and the above-mentioned housing assembly, and the electro-acoustic device is disposed corresponding to the sound transmission channel.

Further, an embodiment of the present application also provides a control method for an electronic device as described above, the method comprising: detecting whether the electro-acoustic device is in a working state; generating a corresponding A control instruction; the motor drives the cam to rotate according to the control instruction, so as to cooperate with the elastic element to drive the first decorative element to open or close the sound transmission channel on the sound exit side.

In the case assembly provided by the embodiment of the present application, the motor of the driving mechanism drives the cam to rotate, so that the first decorative piece abutting against the cam moves relative to the middle frame, and when the first decorative piece moves, it is connected with the first decorative piece The elastic piece produces an elastic force opposite to the driving direction of the cam, and the elastic force cooperates with the cam to drive the first decorative piece to open or close the sound transmission channel on the sound outlet side, so that when the sound transmission channel is not in use, the sound transmission channel is closed. , When in use, the sound transmission channel will be opened, preventing external dust from entering the electronic device through the sound transmission channel, and improving the sound quality effect.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is an exploded schematic view of a first embodiment of a housing assembly provided by the present application;

Figure 2 is a schematic cross-sectional view of the assembly of the housing assembly in Figure 1;

FIG. 3 is a schematic three-dimensional structural diagram of the assembly of the first decorative piece, the driving mechanism, the elastic piece and the connecting piece in FIG. 2;

Fig. 4 is the sectional schematic diagram of the sound transmission channel in the closed state in Fig. 2;

Fig. 5 is another structural schematic diagram of the elastic member in Fig. 2;

Figure 6 is a schematic cross-sectional view of the assembly of the elastic member in Figure 5;

FIG. 7 is an exploded schematic view of the second embodiment of the housing assembly provided by the present application;

Figure 8 is a schematic cross-sectional view of the assembly of the housing assembly in Figure 7;

FIG. 9 is a schematic three-dimensional structural diagram of the assembly of the first decorative piece, the driving mechanism, the elastic piece and the connecting piece in FIG. 8;

Figure 10 is a schematic cross-sectional view of the sound transmission channel in Figure 8 in a closed state;

11 is a schematic structural diagram of an embodiment of an electronic device provided by the present application;

FIG. 12 is a schematic flowchart of an embodiment of a control method for an electronic device provided by the present application.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is particularly pointed out that the following examples are only used to illustrate the present application, but do not limit the scope of the present application. Likewise, the following embodiments are only some of the embodiments of the present application but not all of the embodiments, and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "third" may expressly or implicitly include at least one of that feature. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear...) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings). , motion situation, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally also includes For other steps or units inherent to these processes, methods, products or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor a separate or alternative embodiment that is mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

Please refer to FIG. 1 . FIG. 1 is an exploded schematic view of a first embodiment of a housing assembly 10 provided by the present application. The housing assembly 10 in this embodiment includes a middle frame 11 , a first decorative member 12 , a driving mechanism 13 and an elastic member 14 .

Referring to FIG. 2 , the middle frame 11 is provided with a sound transmission channel 111 , and the sound transmission channel 111 has a sound output direction as shown by the arrow in FIG. 2 .

Optionally, the middle frame 11 is further provided with a through hole 112 .

The first decorative piece 12 is movably disposed on the sound outlet side of the sound transmission channel 111 . Specifically, the first decorative piece 12 includes a plate-shaped main body 121 , and the plate-shaped main body 121 is movable on the sound outlet side of the sound transmission channel 111 . The middle frame 11 is relatively arranged.

It can be understood that the sound output side is the side where the sound is transmitted through the sound transmission channel 111 .

Optionally, the first decorative piece 12 further includes a force receiving portion 122 connected to the plate-shaped body 121 and extending to the side of the middle frame 11 away from the plate-shaped body 121 through the through hole 112 .

Optionally, one end of the force-receiving portion 122 away from the plate-shaped main body 121 is bent and provided, the number is two, and is disposed on the same side of the plate-shaped main body 121 .

2, 3 and 4 together, the driving mechanism 13 includes a motor 131 and a cam 132. The output shaft of the motor 131 is connected to the cam 132 to drive the cam 132 to rotate. When the cam 132 rotates, the first decorative piece 12 is driven to move relative to the middle frame 11 .

Specifically, as shown in FIG. 3 , the cam 132 includes a short shaft end A and a long shaft end B. When the motor 131 drives the cam 132 to rotate, the abutting end of the cam 132 that abuts against the first decorative part 12 is changed from that shown in FIG. 2 . During the process of rotating the short shaft end A shown in FIG. 4 to the long shaft end B shown in FIG.

Optionally, the driving mechanism 13 is disposed on the side of the middle frame 11 away from the plate-shaped main body 121 , so that the cam 132 of the driving mechanism 13 drives the first through the force-receiving portion 122 extending to the side of the middle frame 11 away from the plate-shaped main body 121 . A decorative piece 12 moves relative to the middle frame 11 .

Wherein, when the cam 132 drives the first decorative piece 12 to move through the force-receiving part 122, the force-receiving part 122 can be directly or indirectly driven. In this embodiment, the force-receiving part 122 is indirectly driven as an example. The housing assembly 10 of the embodiment further includes a connecting piece 15, which is connected with the force-receiving portion 122 and can abut against the cam 132, so that when the cam 132 rotates, the first decorative piece 12 is driven relative to the center through the connecting piece 132. Box 11 moves.

Optionally, the connecting member 15 is provided with a bending portion 151, the bending portion 151 forms a clamping gap 1511 as shown in FIG. It is connected with the force receiving part 122 of the first decoration part 12 .

Optionally, the number of the bending parts 151 is two, which are respectively connected with the two force receiving parts 122 .

It can be understood that, in other embodiments, the cam 132 can also directly abut against the force receiving portion 122 to directly drive the first decorative piece 12 to move relative to the middle frame 11 .

Further, the output shaft of the motor 131 is parallel to the sound exit direction of the sound transmission channel 111 , so that the cam 132 drives the first decorative piece 12 to move relative to the middle frame 11 in a direction perpendicular to the sound exit direction.

The elastic member 14 is connected to the first decorative member 12 and is used to generate an elastic force opposite to the driving direction of the cam 132. Specifically, the elastic member 14 is a spring or foam. In this embodiment, a spring is used as an example. Or the foam and the driving mechanism 13 are respectively disposed on opposite sides of the first decorative piece 12 , and when the cam 132 drives the first decorative piece 12 to move, they can abut with the middle frame 11 , so that the driving direction of the cam 132 is opposite to that of the cam 132 . elasticity.

It can be understood that the elastic force generated by the above elastic compression, in other embodiments, the spring or foam can also be arranged on the same side of the first decorative piece 12 as the driving mechanism 13, in this case, the spring or foam The resulting stretch is the stretch that produces the stretch.

Further, the elastic force is used to drive the first decorative piece 12 to move relative to the middle frame 11 in a direction opposite to the driving direction of the cam 132 .

Specifically, when the cam 132 drives the first decorative piece 12 to move relative to the middle frame 11 and causes the elastic piece 13 to generate elastic force, the motor 131 drives the cam 132 to rotate in the opposite direction, so that the abutting end of the cam 132 and the first decorative piece 12 Rotate from the long shaft end B as shown in FIG. 4 to the short shaft end A as shown in FIG. 2 , at this time, under the elastic force of the elastic member 14 , the first decorative piece 12 can move in the driving direction of the cam 132 . The opposite direction moves relative to the middle frame 11 .

Optionally, the elastic member 14 is disposed on the side of the middle frame 11 away from the plate-shaped body 121 , so that the elastic force generated by the elastic member 14 drives the first through the force-bearing portion 122 extending to the side of the middle frame 11 away from the plate-shaped body 121 . A decorative piece 12 moves relative to the middle frame 11 .

Wherein, when the elastic force generated by the elastic member 14 drives the first decorative member 12 to move through the force-receiving portion 122, the force-receiving portion 122 can be directly or indirectly driven. In this embodiment, the force-receiving portion 122 is indirectly driven as an example. Specifically, the elastic member 14 is connected with the connecting member 15 , so that the elastic force generated by the elastic member 14 drives the connecting member 15 to move relative to the middle frame 11 , and then drives the first decorative member 12 to move relative to the middle frame 11 through the connecting member 15 .

In other embodiments, the elastic member 14 may also be directly connected to the force receiving portion 122 of the first decorative member 12 to directly drive the first decorative member 12 to move relative to the middle frame 11 .

Referring to FIG. 5 and FIG. 6 together, in another embodiment, the elastic member 14 includes a connecting portion 141 and an elastic portion 142 , the connecting portion 141 is respectively connected with the first decorative member 12 and the elastic portion 142 , and the elastic portion 142 is connected with the driving mechanism 13 They are respectively disposed on opposite sides of the first decorative piece 12, and can abut with the middle frame 11 when the cam 132 drives the first decorative piece 12 to move, so as to generate an elastic force opposite to the driving direction of the cam 132, so that the elastic force The first decorative piece 12 is driven to move relative to the middle frame 11 in the opposite direction to the driving direction of the cam 132 . The elastic piece 14 generates elastic force and drives the first decorative piece 12 to move in the same principle as the above-mentioned spring or foam. No longer.

Referring further to FIG. 2 and FIG. 4 , the elastic force generated by the cam 132 and the elastic member 14 cooperates to drive the first decorative member 12 to open or close the sound transmission channel 111 on the sound exit side.

Specifically, when the elastic forces generated by the cam 132 and the elastic member 14 respectively drive the first decorative member 12 to move in opposite directions, the plate-shaped main body 121 of the first decorative member 12 is opened or closed on the sound outlet side of the sound transmission channel 111 . The sound transmission channel 111, in the illustration of this embodiment, when the plate-shaped main body 121 is arranged corresponding to the sound transmission channel 111 as shown in FIG. 2 to close the sound transmission channel 111, if the sound transmission channel 111 needs to be opened, the motor 131 drives the cam 132 to rotate, so that the abutting end of the cam 132 abutting against the first decorative piece 12 rotates from the short shaft end A to the long shaft end B, until the first decorative piece 12 is driven by the cam 132 and the plate-shaped body 121 As shown in FIG. 4 , the sound transmission channel 111 is dislocated to open the sound transmission channel 111 , and when the motor 131 drives the cam 132 to rotate in the reverse direction, the elastic force generated by the elastic member 14 drives the first decorative member 12 to move in the reverse direction, recovering As shown in FIG. 2 , the plate-shaped body 121 and the sound transmission channel 111 are arranged correspondingly to close the sound transmission channel 111 .

In the housing assembly provided in this embodiment, the motor of the driving mechanism drives the cam to rotate, so that the first decorative piece abutting against the cam moves relative to the middle frame, and when the first decorative piece moves, the first decorative piece is connected to the first decorative piece. The elastic piece generates an elastic force opposite to the driving direction of the cam, and the elastic force cooperates with the cam to drive the plate-shaped body of the first decorative piece to open or close the sound transmission channel on the sound exit side, so that the sound transmission channel is not in use. When the channel is closed, the sound transmission channel will be opened when in use, preventing external dust from entering the electronic device through the sound transmission channel, and improving the sound quality.

Referring to FIG. 7 , FIG. 7 is an exploded schematic view of the second embodiment of the casing assembly 20 provided by the present application. The casing assembly 20 in this embodiment includes a middle frame 11 , a first decorative member 22 , a driving mechanism 13 and an elastic member 14 .

Referring to FIG. 8 , the middle frame 11 is provided with a sound transmission channel 111 , and the sound transmission channel 111 has a sound output direction as shown by the arrow in FIG. 8 .

Optionally, the middle frame 11 is further provided with a through hole 112 .

The first decorative piece 22 is movably disposed on the sound outlet side of the sound transmission channel 111 . Specifically, the first decorative piece 22 includes a decorative part 221 , and the decorative part 221 is movable on the sound outlet side and the middle frame of the sound transmission channel 111 . 11 Relative settings.

It can be understood that the sound output side is the side where the sound is transmitted through the sound transmission channel 111 .

The decoration portion 221 is provided with a first sound outlet hole 2211, and the number of the first sound outlet hole 2211 may be one or more.

Optionally, the first decorative piece 22 further includes a force-receiving portion 222 . The force-receiving portion 222 is connected to the decorative portion 221 and extends to the side of the middle frame 11 away from the decorative portion 221 through the through hole 112 .

Optionally, one end of the force-receiving portion 222 away from the decorative portion 221 is bent and provided, and the number is two, and is provided on the same side of the decorative portion 221 .

8, 9 and 10 together, the driving mechanism 13 includes a motor 131 and a cam 132. The output shaft of the motor 131 is connected to the cam 132 to drive the cam 132 to rotate. When the cam 132 rotates, the first decorative piece 22 is driven to move relative to the middle frame 11 .

Specifically, as shown in FIG. 9 , the cam 132 includes a short shaft end A and a long shaft end B. When the motor 131 drives the cam 132 to rotate, the abutting end of the cam 132 that abuts against the first decorative part 22 is changed from that shown in FIG. 8 . During the process of rotating the short shaft end A shown in FIG. 10 to the long shaft end B shown in FIG.

Optionally, the driving mechanism 13 is disposed on the side of the middle frame 11 away from the decoration portion 221 , so that the cam 132 of the driving mechanism 13 drives the first decoration through the force-bearing portion 222 extending to the side of the middle frame 11 away from the decoration portion 221 . The member 22 moves relative to the middle frame 11 .

Wherein, when the cam 132 drives the first decorative piece 22 to move through the force-receiving part 222, the force-receiving part 222 can be directly or indirectly driven. In this embodiment, the force-receiving part 222 is indirectly driven as an example. The housing assembly 20 of the embodiment further includes a connecting piece 15, the connecting piece 15 is connected with the force-receiving portion 222, and can abut against the cam 132, so that when the cam 132 rotates, the first decorative piece 22 is driven relative to the center through the connecting piece 132. Box 11 moves.

Optionally, the connecting member 15 is provided with a bending portion 151, the bending portion 151 forms a clamping gap 1511 as shown in FIG. It is connected with the force receiving part 222 of the first decoration part 22 .

Optionally, the number of the bending parts 151 is two, which are respectively connected with the two force receiving parts 222 .

It can be understood that, in other embodiments, the cam 132 can also directly abut against the force receiving portion 222 to directly drive the first decorative piece 22 to move relative to the middle frame 11 .

Further, the output shaft of the motor 131 is parallel to the sound exit direction of the sound transmission channel 111 , so that the cam 132 drives the first decorative piece 22 to move relative to the middle frame 11 in a direction perpendicular to the sound exit direction.

The elastic member 14 is connected with the first decorative member 22 and is used to generate an elastic force opposite to the driving direction of the cam 132. Specifically, the elastic member 14 is a spring or foam. In the illustration in this embodiment, a spring is used as an example. Alternatively, the foam and the driving mechanism 13 are respectively disposed on opposite sides of the first decorative piece 22 , and when the cam 132 drives the first decorative piece 22 to move, they can abut against the middle frame 11 , so that the driving direction of the cam 132 is opposite to that of the cam 132 . elasticity.

It can be understood that the elastic force generated by the above-mentioned elastic force compression, in other embodiments, the spring or foam can also be arranged on the same side of the first decorative piece 22 as the driving mechanism 13, in this case, the spring or foam The resulting stretch is the stretch that produces the stretch.

Further, the elastic force is used to drive the first decorative piece 22 to move relative to the middle frame 11 in a direction opposite to the driving direction of the cam 132 .

Specifically, when the cam 132 drives the first decorative piece 22 to move relative to the middle frame 11 and causes the elastic piece 13 to generate elastic force, the motor 131 drives the cam 132 to reversely rotate, so that the abutting end of the cam 132 and the first decorative piece 22 Rotate from the long shaft end B as shown in FIG. 10 to the short shaft end A as shown in FIG. 8 , at this time, under the elastic force of the elastic member 14 , the first decorative member 22 can drive the first decorative member 22 to The cam 132 moves relative to the middle frame 11 in the opposite direction of the driving direction.

Optionally, the elastic member 14 is disposed on the side of the middle frame 11 away from the decoration portion 221 , so that the elastic force generated by the elastic member 14 drives the first decoration through the force-bearing portion 222 extending to the side of the middle frame 11 away from the decoration portion 221 . The member 22 moves relative to the middle frame 11 .

Wherein, when the elastic force generated by the elastic member 14 drives the first decorative member 22 to move through the force-receiving portion 222, the force-receiving portion 222 can be directly or indirectly driven. Specifically, the elastic member 14 is connected with the connecting member 15 , so that the elastic force generated by the elastic member 14 drives the connecting member 15 to move relative to the middle frame 11 , and then drives the first decorative member 22 to move relative to the middle frame 11 through the connecting member 15 .

In other embodiments, the elastic member 14 may also be directly connected to the force receiving portion 222 of the first decorative member 22 to directly drive the first decorative member 22 to move relative to the middle frame 11 .

In another embodiment, the elastic member 14 includes a connecting portion 141 and an elastic portion 142 , the connecting portion 141 is respectively connected to the first decorative member 22 and the elastic portion 142 , and the elastic portion 142 and the driving mechanism 13 are respectively disposed on the first decorative member 22 . On the opposite sides, when the cam 132 drives the first decorative piece 22 to move, it can abut against the middle frame 11 to generate an elastic force opposite to the driving direction of the cam 132, so that the elastic force drives the first decorative piece 22 to move in the opposite direction. The driving direction of the cam 132 is opposite to the movement relative to the middle frame 11 . The principle of the elastic member 14 generating elastic force and driving the first decorative member 22 to move is the same as the above-mentioned spring or foam, which will not be repeated here.

Further, the housing assembly 20 of this embodiment further includes a second decorative piece 26 . The second decorative piece 26 is disposed on the sound output side of the sound transmission channel 111 corresponding to the sound transmission channel 111 , and is the same as the decoration of the first decorative piece 22 . The parts 221 are provided in layers.

Wherein, the second decorative member 26 is provided with a second sound outlet hole 261 .

Further referring to FIG. 8 and FIG. 10 , the elastic force generated by the cam 132 and the elastic member 14 drives the first decorative member 22 to open or close the sound transmission channel 111 on the sound exit side.

Specifically, when the elastic forces generated by the cam 132 and the elastic member 14 respectively drive the first decorative member 22 to move in opposite directions, the first sound outlet 2211 of the decorative portion 221 and the second sound outlet of the second decorative member 26 261 are overlapped or dislocated to realize the opening or closing of the sound transmission channel 111. In the illustration of this embodiment, when the decorative part 221 is as shown in FIG. When the second sound outlet 261 is in a dislocation state to close the sound transmission channel 111, if the sound transmission channel 111 needs to be opened, the motor 131 drives the cam 132 to rotate, so that the abutting end of the cam 132 and the first decorative piece 22 is removed from the short shaft The end A is rotated to the long shaft end B until the first decorative piece 22 is driven by the cam 132, as shown in FIG. 111, and then when the motor 131 drives the cam 132 to rotate in the reverse direction, the elastic force generated by the elastic member 14 drives the first decorative member 22 to move in the reverse direction, and returns to as shown in FIG. The second sound outlet holes 261 of the second decorative element 26 are in a coincident state to open the sound transmission channel 111 .

In the housing assembly provided in this embodiment, the motor of the driving mechanism drives the cam to rotate, so that the first decorative piece abutting against the cam moves relative to the middle frame, and when the first decorative piece moves, the first decorative piece is connected to the first decorative piece. The elastic piece generates an elastic force opposite to the driving direction of the cam, and the elastic force cooperates with the cam to drive the first decorative piece, so that the first sound outlet of the decorative part and the second sound outlet of the second decorative piece are coincident or misaligned, so as to realize the sound The opening or closing of the transmission channel, so that the sound transmission channel is closed when not in use, and the sound transmission channel is opened when it is in use, preventing external dust from entering the electronic equipment through the sound transmission channel, improving sound effect.

Please refer to FIG. 11. FIG. 11 is a schematic structural diagram of an embodiment of an electronic device 30 provided by the present application. The electronic device 30 in this embodiment can be any device with communication and storage functions, such as a tablet computer, a mobile phone, an electronic reader, Remote control, personal computer (Personal Computer, PC), notebook computer, in-vehicle device, Internet TV, wearable device and other smart devices with network functions, the electronic device 30 in this embodiment includes a housing component 31 and an electro-acoustic device 32, The casing assembly 31 is the casing assembly in any of the above-mentioned embodiments, and FIG. 11 in this embodiment takes the casing assembly 20 in the above-mentioned second embodiment as an example.

The electro-acoustic device 32 is arranged corresponding to the sound transmission channel 111 .

Optionally, the electro-acoustic device 32 may be a receiver, a microphone or a speaker. In this embodiment, the electro-acoustic device 32 is taken as an example for description. The receiver is set on the sound input side of the sound transmission channel 111 corresponding to the sound transmission channel 111. If the electroacoustic device 32 is a microphone, the microphone is provided on the sound output side of the sound transmission channel 111 corresponding to the sound transmission channel 111 .

It can be understood that the sound input side is the side where the sound enters the sound transmission channel 111 .

Optionally, the side of the electro-acoustic device 32 close to the sound transmission channel 111 is provided with a dustproof net 33, so as to prevent the external dust from entering the electronic device 30 through the sound transmission channel 111 while the casing assembly 31 is further protected from dust. The net 33 dusts the electro-acoustic device 32 to further improve the sound quality of the electro-acoustic device 32 .

Further, the electronic device 30 in this embodiment further includes a circuit board 34 , and the circuit board 34 is electrically connected to the motor 131 to supply power to the motor 131 to drive the cam 132 to rotate.

Referring to FIG. 12, FIG. 12 is a schematic flowchart of an embodiment of a control method for an electronic device provided by the present application. The electronic device in this embodiment is the electronic device 30 in the above-mentioned embodiment, and the control method in this embodiment may specifically include:

101: Detect whether the electroacoustic device is in a working state;

Specifically, it is possible to directly detect whether the electro-acoustic device 32 is in a power-on state to detect whether the electro-acoustic device 32 is in a working state, or it can be indirectly detected, such as detecting whether the electronic device 30 is in a power-on state, or detecting whether the electronic device 30 is in a power-on state or not. Whether the player is in a working state.

102: Generate corresponding control instructions according to whether the electroacoustic device is in a working state;

Wherein, the control command is a command for the motor 131 to be powered on to drive the cam to rotate.

103: The motor drives the cam to rotate according to the control instruction, so as to cooperate with the elastic element to drive the first decorative element to open or close the sound transmission channel on the sound output side.

Specifically, when the housing assembly 31 of the electronic device 30 is the housing assembly 10 in the above-mentioned first embodiment, the motor 131 drives the cam 132 to rotate according to the corresponding control command, so as to cooperate with driving the plate-shaped body of the first decorative piece 12 121 opens or closes the sound transmission channel 111 on the sound output side of the sound transmission channel 111 . For the specific principle and description, please refer to the description of the first embodiment of the housing assembly 10 , which will not be repeated here.

When the casing assembly 31 of the electronic device 30 is the casing assembly 20 in the second embodiment, the first decorative part 22 of the casing assembly 20 includes a decorative part 221 , and the decorative part 221 is provided with a first sound outlet hole 2211 , the housing assembly 20 further includes a second decorative piece 26, the second decorative piece 26 is provided with a second sound outlet 261 and is stacked with the decorative portion 2211, and the motor 131 drives the cam 132 to rotate according to the corresponding control command, so as to cooperate with the elastic piece Cooperate to drive the first decorative piece 22, so that the first sound outlet hole 2211 and the second sound outlet hole 261 are overlapped or dislocated, so as to realize the opening or closing of the sound transmission channel 111. For the specific principle and description, please refer to the above-mentioned housing assembly 20. The description of the second embodiment will not be repeated here.

The above descriptions are only part of the embodiments of the present application, and are not intended to limit the protection scope of the present application. Any equivalent device or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied to other related The technical field is similarly included in the scope of patent protection of this application.

Claims (5)

1. A housing assembly, characterized in that, the housing assembly comprises: The middle frame is provided with a sound transmission channel, and the middle frame is also provided with a through hole; The first decorative piece is movably arranged on the sound outlet side of the sound transmission channel, the first decorative piece includes a decorative part and a force-receiving part, and the force-receiving part is connected with the decorative part and passes through the passage. The hole extends to the side of the middle frame away from the decorative part, and the decorative part is provided with a first sound outlet; A second decorative piece is disposed correspondingly to the sound transmission channel on the sound outlet side, the second decorative piece is provided with a second sound outlet hole, and the decorative portion and the second decorative piece are arranged in layers; A connecting piece is arranged on the side of the middle frame away from the decorative part, the connecting piece is provided with a bending part, the bending part is formed with a clamping gap, and the force-receiving part is inserted in the in the clamping gap, so that the connecting piece can drive the first decorative piece to move; A driving mechanism is arranged on the side of the middle frame away from the decorative part, the driving mechanism includes a motor and a cam, the output shaft of the motor is connected with the cam to drive the cam to rotate, and the cam is connected to the cam. the connecting piece abuts, so as to drive the connecting piece to move relative to the middle frame when the cam rotates, and the connecting piece further drives the first decorative piece to move relative to the middle frame; The output shaft of the motor is parallel to the sound output direction of the sound transmission channel, so that the cam drives the connecting piece to move relative to the middle frame in a direction perpendicular to the sound output direction; The cam includes a short shaft end and a long shaft end, and when the cam drives the connecting piece, the abutting end of the cam and the connecting piece rotates from the short shaft end to the long shaft end, so that the connecting piece is away from the output shaft of the motor, and then moves relative to the middle frame; An elastic piece is arranged on the side of the middle frame away from the decorative part, the elastic piece and the driving mechanism are respectively arranged on opposite sides of the connecting piece, and the connecting piece is driven by the cam When moving, it can abut with the middle frame to generate an elastic force opposite to the driving direction of the cam. The elastic force cooperates with the cam to drive the connecting piece to move relative to the middle frame, and the connecting piece further drives the movement of the connecting piece relative to the middle frame. The first decorative piece moves relative to the middle frame, so that the first sound hole and the second sound hole are overlapped or misaligned, and the first sound hole and the second sound hole Coincidence or misalignment realizes opening or closing of the sound transmission channel. 2 . The housing assembly according to claim 1 , wherein the elastic member is a spring or foam. 3 . 3 . An electronic device, characterized in that the electronic device comprises an electro-acoustic device and the housing assembly according to any one of claims 1 to 2 , wherein the electro-acoustic device is arranged corresponding to the sound transmission channel. 4 . The electronic device according to claim 3 , wherein the electronic device further comprises a circuit board, and the circuit board is electrically connected to the motor, so as to supply power to the motor to drive the cam to rotate. 5 . 5. A control method for an electronic device as claimed in claim 3 or 4, wherein the method comprises: Detecting whether the electroacoustic device is in a working state; Generate corresponding control instructions according to whether the electro-acoustic device is in a working state; The motor drives the cam to rotate according to the control command, so as to cooperate with the elastic member to drive the connecting member to move relative to the middle frame, and the connecting member further drives the first decorative member to move relative to the middle frame, so as to make the connecting member move relative to the middle frame. The first sound outlet and the second sound outlet are overlapped or misaligned, and the sound transmission channel is opened or closed on the sound outlet side.

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