WO2018170841A1 - Communication apparatus and handheld device and vehicle-mounted adapter thereof - Google Patents

Abstract

Provided are a communication apparatus and a handheld device and a vehicle-mounted adapter thereof. The communication apparatus comprises a handheld device and a vehicle-mounted adapter. An accommodation recess is arranged at the vehicle-mounted adapter to accommodate the handheld device. The vehicle-mounted adapter comprises an elastic slide latch assembly. The elastic slide latch assembly comprises an elastically extendable latch bolt. The handheld device has a latching hole. When the handheld device is placed in the accommodation recess, the latch bolt extends into the latching hole to lock the handheld device. When the latch bolt retracts and is released from the latching hole, the handheld device is unlocked and can be removed from the accommodation recess. The communication apparatus and a handheld device and a vehicle-mounted adapter thereof provided in the present invention have novel structures, assure secure latching, and can be operated conveniently.

Description

Communication device and its handset, car adapter

[Technical Field]

The present invention relates to the field of communications technologies, and in particular, to a communication device with a stable buckle and easy access to it, and a handset and a vehicle adapter thereof.

 【Background technique】

In the professional communications industry, car adapters are used in conjunction with handheld devices in locomotives (cars, trains or motorcycles), subways, ships, etc., while car adapters have audio, RF and charging capabilities. The cooperation between the car adapter and the handset requires a good and stable contact between the two and easy access.

Due to the instability of the working environment of the vehicle adapter, high requirements are placed on the fixing and removal of the handset.

In the prior art, the manner of fixing and removing the vehicle adapter mainly includes two types:

1. As shown in FIG. 1, the handset 11 is secured by a resilient arm 13 on top of the vehicle adapter 12. This method is easy to operate, but the reliability is not high, and the handset 11 easily slides out of the vehicle adapter 12.

2. As shown in FIG. 2, the handset 21 is fixed by the elastic arm 23 on the top of the vehicle adapter 22 and the audio button 24 on the side. Before being placed in the handset 21, the audio button 24 needs to be opened first, and the antenna of the handset 21 is used. When sliding to the buckle position of the elastic arm 23, the thrust is applied to the handset 21, and the handset 21 is snapped into the vehicle adapter 22. When the handset 21 is removed, the audio button 24 needs to be opened first, and then the handset is removed. 21 removed. This method has good reliability, but the operation is inconvenient, and the structure is relatively complicated, so that the product has a large outer shape.

 [Summary of the Invention]

The invention provides a communication device, a handset thereof and a vehicle adapter, which solve the problem that the assembly hook of the handheld device is not stable enough and the operation is inconvenient.

In order to solve the above technical problem, the present invention adopts a technical solution to provide a communication device, the communication device includes a handset and a vehicle adapter, and the vehicle adapter is provided with a receiving slot for accommodating the handheld device. The in-vehicle adapter includes an elastic sliding lock assembly, the elastic sliding lock assembly includes an elastically extendable locking tongue, and the handheld is provided with a locking hole, and the handheld passes through the receiving slot The locking tongue elastically extends into the locking hole to form a locking of the handheld, and the locking hole is unlocked with the locking tongue to elastically retract the locking tongue to remove the handheld device Describe the slot.

According to a preferred embodiment of the present invention, the lock tongue is disposed at a top corner of the vehicle adapter, the handset includes a body and an antenna, and the lock hole is disposed at a top corner of the body.

According to a preferred embodiment of the invention, the bolt is elastically telescopically disposed in a vertical direction, and the locking hole is vertically disposed.

According to a preferred embodiment of the present invention, the locking tongue has a first introduction surface, and the outer side of the locking hole has a second introduction surface. When the handheld device is loaded into the receiving slot, the second introduction Pressing the first introduction surface to elastically retract the locking tongue, and the locking tongue elastically protrudes into the locking hole after the hand-held machine is assembled.

According to a preferred embodiment of the present invention, the elastic sliding lock assembly includes a top cover, a fixed body, a sliding lock, and a return spring. The top cover is fixed to the fixed body, and the fixed body is provided with a sliding slot. The sliding latch is slidably engaged with the sliding slot, the locking tongue is disposed at a bottom end of the sliding latch, and a top end of the return spring abuts the top cover, and a bottom end of the return spring is The sliding locks abut.

According to a preferred embodiment of the present invention, the top cover is provided with a first protrusion to be sleeved with the top end of the return spring.

According to a preferred embodiment of the present invention, the sliding lock includes a vertical plate, a horizontal plate and a second protrusion, the vertical plate is slidably engaged with the sliding groove, and the horizontal plate is connected to the bottom end of the vertical plate. The locking tongue is connected to the end of the horizontal plate, and the second protruding post is disposed on the horizontal plate to be sleeved with the bottom end of the return spring.

According to a preferred embodiment of the present invention, the sliding lock further includes a surrounding wall disposed on the horizontal plate and surrounding the side of the second protrusion for receiving in the axial direction The return spring.

According to a preferred embodiment of the present invention, the elastic sliding lock assembly further includes a button that is rotatably coupled to the top cover and/or the fixed body and is drivingly coupled to the riser. When the button is released, the sliding plate is elastically reset due to the action of the return spring.

According to a preferred embodiment of the present invention, the riser is provided with a buttonhole, and the button includes a fastening portion that cooperates with the buttonhole.

According to a preferred embodiment of the present invention, the button further includes a main body plate, a rotating shaft portion and an extension plate, the rotating shaft portion protruding from both sides of the main body plate, the extending plate connecting the fastening portion and the The main board is connected.

According to a preferred embodiment of the present invention, the button further includes a pressing portion that extends obliquely from the main body panel to facilitate pressing.

According to a preferred embodiment of the present invention, the top cover and the fixing body are further provided with a U-shaped bayonet for receiving the antenna.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a handheld device including a main body and an antenna, and a locking hole is provided at a top corner of the main body, and the locking hole is used for the locking hole Cooperating with the elastically expandable locking tongue, wherein the locking tongue elastically extends into the locking hole to form a locking of the handheld, and the locking hole and the locking when the locking tongue is elastically retracted The tongue is unlocked.

According to a preferred embodiment of the present invention, the locking hole is vertically disposed, the locking tongue has a first introduction surface, the outer side of the locking hole has a second introduction surface, and the second introduction surface is used for squeezing The first introduction surface elastically retracts the locking tongue.

In order to solve the above technical problem, another technical solution adopted by the present invention is to provide an in-vehicle adapter, which is provided with a receiving slot for accommodating a handheld device, and the vehicle-mounted adapter includes an elastic sliding lock assembly. The elastic sliding lock assembly includes an elastically expandable locking tongue, and the handheld device is provided with a locking hole. When the handheld device is inserted into the receiving groove, the locking tongue elastically extends into the locking hole. Forming a lock on the handset, the latching hole is unlocked from the latch when the latch is elastically retracted to take the handset out of the receiving slot.

According to a preferred embodiment of the present invention, the locking tongue is disposed at a top corner of the vehicle adapter, and the locking tongue is elastically stretched and disposed in a vertical direction.

According to a preferred embodiment of the present invention, the elastic sliding lock assembly includes a top cover, a fixed body, a sliding lock, a return spring and a button, the top cover is fixed to the fixed body, and the fixed body is provided with a sliding slot The sliding latch is slidably engaged with the sliding slot, the locking tongue is disposed at a bottom end of the sliding latch, a top end of the return spring abuts the top cover, and a bottom end of the return spring Abutting against the sliding lock, the button is rotatably connected to the top cover and/or the fixed body and is connected to the riser, and when the button is pressed, the sliding lock moves upward When the button is released, the riser is elastically reset due to the action of the return spring.

According to a preferred embodiment of the present invention, the sliding lock includes a vertical plate, a horizontal plate and a second protrusion, the vertical plate is slidably engaged with the sliding groove, and the horizontal plate is connected to the bottom end of the vertical plate. The locking tongue is connected to the end of the horizontal plate, and the second protruding post is disposed on the horizontal plate to be sleeved with the bottom end of the return spring.

The invention has the beneficial effects that the communication device provided by the invention and the handset and the vehicle adapter thereof have novel structure, stable buckle and convenient operation.

 [Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings may be obtained according to these drawings without any creative work, wherein:

1 is a schematic structural diagram of a communication device in the prior art;

2 is a schematic structural diagram of another communication device in the prior art;

3 is a schematic cross-sectional view of a handheld device according to an embodiment of the present invention;

4 is a schematic perspective structural view of a vehicle-mounted adapter according to an embodiment of the present invention;

Figure 5 is a partial exploded structural view of the vehicle adapter shown in Figure 4;

FIG. 6 is a schematic perspective structural diagram of a communication device according to an embodiment of the present invention;

Figure 7 is a partial cross-sectional view of the communication device shown in Figure 6.

【detailed description】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Please refer to FIG. 3. FIG. 3 is a cross-sectional structural diagram of a handheld device according to an embodiment of the present invention.

As shown in FIG. 3, the embodiment of the present invention is provided for a handheld device 10. The handheld device 10 generally refers to a walkie-talkie. The handheld device 10 includes a main body 11 and an antenna 12. The main body 11 is provided with a locking hole 101 at a top corner thereof. The locking hole 101 is configured to cooperate with the elastically expandable locking tongue 201 (see FIG. 4), wherein the locking tongue 201 elastically extends into the locking hole 101 to form a locking for the handheld device 10, and the locking tongue 201 is elastically retracted when locked. The hole 101 and the bolt 201 are unlocked.

Wherein, the apex angle is the left apex angle or the right apex angle of the handset 10, and the locking hole 101 can be disposed centrally or offset relative to the middle.

In the embodiment of the present invention, the locking hole 101 is vertically disposed, the locking tongue 201 has a first introduction surface 202 (see FIG. 4), the outer side of the locking hole 101 has a second introduction surface 102, and the second introduction surface 102 is used for Squeezing the first introduction surface 202 causes the locking tongue 201 to elastically retract.

4 and FIG. 5, wherein FIG. 4 is a schematic perspective structural view of a vehicle-mounted adapter according to an embodiment of the present invention; FIG. 5 is a partial exploded structural view of the vehicle adapter shown in FIG. 4. FIG.

As shown in FIG. 4 , an embodiment of the present invention further provides a vehicle-mounted adapter 20 . The vehicle-mounted adapter 20 is provided with a receiving slot 203 for receiving the handheld device 10 . The vehicle-mounted adapter 20 includes an elastic sliding lock assembly 200 and an elastic sliding lock. The buckle assembly 200 includes an elastically expandable locking tongue 201. The handheld device 10 is provided with a locking hole 101 (see FIG. 3). When the handheld device 10 is inserted into the receiving slot 203, the locking tongue 201 elastically extends into the locking hole 101. When the locking mechanism 201 is elastically retracted, the locking hole 101 and the locking tongue 201 are unlocked to take the handheld device 10 out of the receiving slot 203. The accommodating groove 203 has a substantially "匚" shape for supporting the bottom of the main body 11 of the handset 10 and one side of the main body 11 and slightly above the top of the main body 11.

In the embodiment of the present invention, the locking tongue 201 is disposed at the top corner of the vehicle adapter 20, and the locking tongue 201 is elastically stretched and disposed in the vertical direction. Wherein, the apex angle is the left apex angle or the right apex angle of the vehicle adapter 20, and the locking tongue 201 can be centrally disposed or relatively offset from the middle.

As shown in FIG. 5, the elastic slide lock assembly 200 includes a top cover 210, a fixed body 220, a slide lock 230, a return spring 240, and a button 250.

The top cover 210 is fixed on the fixed body 220. The fixed body 220 is provided with a sliding slot 221, and the sliding latch 230 is slidably engaged with the sliding slot 221. The locking tongue 201 is disposed at the bottom end of the sliding latch 230, and the top end of the return spring 240 is disposed. Abutting the top cover 210, the bottom end of the return spring 240 abuts the slide lock 230, and the button 250 is rotatably coupled to the top cover 210 and/or the fixed body 220 and is drivingly coupled to the slide lock 230 when the button 250 is pressed. The slide lock 230 moves upward, and when the button 250 is released, the slide lock 230 is elastically reset by the action of the return spring 240.

Specifically, the lower surface of the top cover 210 is provided with a first protrusion 211 to be sleeved with the top end of the return spring 240.

The sliding lock 230 includes a vertical plate 231, a horizontal plate 232, and a second protrusion 233 (see FIG. 7). The vertical plate 231 is slidably engaged with the sliding groove 221, and the side of the vertical plate 231 is provided with a rib that can be inserted into the sliding groove 221 A plate 235 and a buttonhole 236 for driving engagement with the button 250.

The horizontal plate 232 is connected to the bottom end of the vertical plate 231, the locking tongue 201 is connected to the end of the horizontal plate 232, and the second protruding post 233 is disposed on the horizontal plate 232 to be sleeved with the bottom end of the return spring 240.

The button 250 includes a fastening portion 251, a main body plate 252, a rotating shaft portion 253, an extending plate 254, and a pressing portion 255. The rotating shaft portion 253 protrudes from both sides of the main body plate 252 and pivots with the top cover 210 and/or the fixed body 220. In cooperation, the extension plate 254 connects the fastening portion 251 with the main body plate 252, and the pressing portion 255 is obliquely extended from the main body plate 252 to facilitate pressing.

When the pressing portion 255 is pressed, the button 250 is rotated based on the rotating shaft portion 253 as a whole, so that the engaging portion 251 hooks the buttonhole 236 to lift the sliding latch 230, and at this time, the handset fixed in the vehicle adapter 20 can be fixed. 10 take the hole.

When the handheld device 10 is installed in the vehicle adapter 20, the bottom end of the main body 11 of the handheld device 10 can be first inserted into the receiving slot 203, and then the top end of the main body 11 of the handheld device 10 is pushed toward the locking tongue 201, in the process. The second introduction surface 102 outside the locking hole 101 contacts the first introduction surface 202 of the locking tongue 201 and presses the first introduction surface 202 to elastically retract the locking tongue 201 when the main body 11 of the handset 10 is pushed into position. The locking tongue 201 is elastically reset and locked into the locking hole 101 by the action of the return spring 240, so that the fixing of the handheld device 10 is achieved, and it is difficult to escape.

Referring to FIG. 3 to FIG. 7 together, the present invention further provides a communication device including a handset 10 and a vehicle adapter 20.

The vehicle adapter 20 is provided with a receiving slot 203 for accommodating the handset 10. The vehicle adapter 20 includes an elastic sliding latch assembly 200. The elastic sliding latch assembly 200 includes an elastically extendable locking tongue 201. The handheld device 10 is provided with a lock. The hole 101 (see FIG. 3), when the handheld device 10 is inserted into the receiving slot 203, elastically protrudes into the locking hole 101 through the locking tongue 201 to form a lock on the handheld device 10, and the locking hole 101 is elastically retracted when the locking tongue 201 is elastically retracted. The lock tongue 201 is unlocked to take the handset 10 out of the receiving slot 203. The accommodating groove 203 has a substantially "匚" shape for supporting the bottom of the main body 11 of the handset 10 and one side of the main body 11 and slightly above the top of the main body 11.

In the embodiment of the present invention, the locking tongue 201 is disposed at the top corner of the vehicle adapter 20, and the handheld device 10 includes the main body 11 and the antenna 12, and the locking hole 101 is disposed at the top corner of the main body 11. Wherein, the apex angle is the left apex angle or the right apex angle of the handheld device 10, and the locking hole 101 can be disposed centrally or offset relative to the middle.

In the embodiment of the present invention, the locking tongue 201 is elastically stretched and disposed in the vertical direction, and the locking hole 101 is vertically disposed.

The locking tongue 201 has a first introduction surface 202. The outer side of the locking hole 101 has a second introduction surface 102. When the handheld device 10 is inserted into the receiving groove 203, the second introduction surface 102 presses the first introduction surface 202 to make the locking tongue. The 201 is resiliently retracted and the locking tongue 201 resiliently projects into the locking aperture 101 after the handset 10 is assembled.

Specifically, the elastic slide lock assembly 200 includes a top cover 210, a fixed body 220, a slide lock 230, a return spring 240, and a button 250.

The top cover 210 is fixed on the fixed body 220. The fixed body 220 is provided with a sliding slot 221, and the sliding latch 230 is slidably engaged with the sliding slot 221. The locking tongue 201 is disposed at the bottom end of the sliding latch 230, and the top end of the return spring 240 is disposed. Abutting the top cover 210, the bottom end of the return spring 240 abuts against the slide lock 230.

The lower surface of the top cover 210 is provided with a first protrusion 211 to be sleeved with the top end of the return spring 240.

The slide lock 230 includes a riser 231, a cross plate 232, and a second boss 233. The vertical plate 231 is slidably engaged with the sliding groove 221, and the side of the vertical plate 231 is provided with a rib 235 that can be engaged with the sliding groove 221 and a button hole 236 for drivingly engaging the button 250.

The horizontal plate 232 is connected to the bottom end of the vertical plate 231, the locking tongue 201 is connected to the end of the horizontal plate 232, and the second protruding post 233 is disposed on the horizontal plate 232 to be sleeved with the bottom end of the return spring 240.

The sliding lock 230 further includes a surrounding wall 234 disposed on the horizontal plate 232 and surrounding the side of the second protrusion 233 for receiving the return spring 240 in the axial direction.

The button 250 is rotatably connected to the top cover 210 and/or the fixed body 220 and is connected to the vertical plate 231. When the button 250 is pressed, the sliding lock 230 moves upwards to unlock the locking tongue 201 and the locking hole 101. When the handset 10 is taken out of the vehicle adapter 20 and the button 250 is released, the riser 231 is elastically reset by the action of the return spring 240.

The button 250 includes a fastening portion 251, a main body plate 252, a rotating shaft portion 253, an extending plate 254, and a pressing portion 255. The rotating shaft portion 253 protrudes from both sides of the main body plate 252 and pivots with the top cover 210 and/or the fixed body 220. The engaging portion 254 connects the engaging portion 251 to the main body plate 252, and the pressing portion 255 is obliquely extended from the main body plate 252 to facilitate pressing, and the engaging portion 251 is hook-fitted with the fastening hole 236.

In the embodiment of the present invention, the top cover 210 and the fixed body 220 are further provided with a U-shaped bayonet 212 (see FIG. 5) for receiving the antenna 12. When the communication device provided by the present invention is used, the bottom end of the handheld device 10 can be first inserted into the receiving slot 203, and then the upper portion of the handheld device 10 can be pushed toward the sliding latch 230 so that the locking tongue 201 is elastically retracted and reset. The hole 101 constitutes a lock on the handheld device 10. When the handheld device 10 is taken out of the vehicle adapter 20, the pressing portion 255 can be pressed to elastically retract the locking tongue 201. At this time, the locking hole 101 and the locking tongue 201 can be unlocked. The handset 10 takes out the receiving slot 203.

In summary, those skilled in the art can easily understand that the communication device provided by the present invention and the handheld device and the vehicle adapter have novel structure, stable buckle and convenient operation.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims (20)

1. A communication device, comprising: a handset and a vehicle adapter, wherein the vehicle adapter is provided with a receiving slot for accommodating the handset, the vehicle adapter comprising an elastic sliding lock assembly, The elastic sliding lock assembly includes an elastically expandable locking tongue, and the handheld device is provided with a locking hole. When the handheld device is inserted into the receiving groove, the locking tongue elastically extends into the locking hole. Forming a lock on the handset, the latching hole is unlocked from the latch when the latch is elastically retracted to take the handset out of the receiving slot.
2. The communication device according to claim 1, wherein said lock tongue is disposed at a top corner of said vehicle adapter, said handset includes a main body and an antenna, and said lock hole is disposed at a top of said main body Corner.
3. The communication device according to claim 1, wherein said lock tongue is elastically stretched and disposed in a vertical direction, and said lock hole is vertically disposed.
4. The communication device according to claim 1, wherein the locking tongue has a first introduction surface, and the outer side of the locking hole has a second introduction surface, and when the handheld device is loaded into the receiving groove The second introduction surface presses the first introduction surface to elastically retract the locking tongue, and the locking tongue elastically protrudes into the locking hole after the handheld device is assembled.
5. The communication device according to claim 2, wherein the elastic sliding lock assembly comprises a top cover, a fixing body, a sliding latch and a return spring, the top cover being fixed to the fixing body, the fixing The sliding body is provided with a sliding slot, the sliding latch is slidably engaged with the sliding slot, the locking tongue is disposed at a bottom end of the sliding latch, and a top end of the return spring abuts the top cover, The bottom end of the return spring abuts the slide lock.
6. The communication device according to claim 5, wherein said top cover is provided with a first stud to be sleeved with a top end of said return spring.
7. The communication device according to claim 5, wherein the slide lock comprises a riser, a horizontal plate and a second protrusion, the riser is slidably engaged with the sliding groove, and the horizontal plate is connected to the The bottom end of the riser is connected to the end of the horizontal plate, and the second protrusion is disposed on the horizontal plate to be sleeved with the bottom end of the return spring.
8. The communication device according to claim 7, wherein the sliding lock further comprises a surrounding wall, the surrounding wall is disposed on the horizontal plate and enclosed on a side of the second protruding post, The return spring is housed in the axial direction.
9. The communication device according to claim 7, wherein said elastic slide lock assembly further comprises a button rotatably coupled to said top cover and/or said fixed body and coupled to said riser When the button is pressed, the sliding lock moves upward, and when the button is released, the vertical plate is elastically reset due to the action of the return spring.
10. The communication device according to claim 9, wherein the riser is provided with a buttonhole, and the button comprises a fastening portion that cooperates with the buttonhole.
11. The communication device according to claim 10, wherein said button further comprises a main body panel, a rotating shaft portion, and an extension plate, said rotating shaft portion projecting from both sides of said main body panel, said extension panel said The fastening portion is coupled to the main body panel.
12. The communication device according to claim 11, wherein said button further comprises a pressing portion that extends obliquely from said body panel to facilitate pressing.
13. The communication device according to claim 5, wherein the top cover and the fixed body are further provided with a U-shaped bayonet for receiving the antenna.
14. A handheld device, comprising: a main body and an antenna, wherein a corner of the main body is provided with a locking hole for engaging with an elastically stretchable locking tongue, wherein The locking tongue elastically extends into the locking hole to form a locking of the handheld, and the locking hole is unlocked from the locking tongue when the locking tongue is elastically retracted.
15. The handheld device according to claim 14, wherein the locking hole is vertically disposed, the locking tongue has a first introduction surface, and the outer side of the locking hole has a second introduction surface, the second The introduction surface is adapted to squeeze the first introduction surface to elastically retract the locking tongue.
16. An in-vehicle adapter is characterized in that the in-vehicle adapter is provided with a receiving slot for accommodating a handset, the in-vehicle adapter comprises an elastic sliding lock assembly, and the elastic sliding lock assembly comprises an elastically retractable lock The latch is provided with a locking hole, and when the handheld device is inserted into the receiving slot, the locking tongue elastically extends into the locking hole to form a lock on the handheld, the lock The locking hole is unlocked from the locking tongue when the tongue is elastically retracted to take the handheld out of the receiving groove.
17. The vehicle adapter according to claim 16, wherein the lock tongue is disposed at a top corner of the vehicle adapter, and the lock tongue is elastically stretched and disposed in a vertical direction.
18. The vehicle adapter according to claim 16, wherein the elastic sliding lock assembly comprises a top cover, a fixed body, a sliding lock, a return spring and a button, and the top cover is fixed on the fixed body. The fixed body is provided with a sliding slot, the sliding latch is slidably engaged with the sliding slot, the locking tongue is disposed at a bottom end of the sliding latch, and a top end of the return spring abuts the top cover, a bottom end of the return spring abuts the sliding latch, the button is rotatably coupled to the top cover and/or the fixed body and is drivingly coupled to the sliding latch when the button is pressed The sliding lock is moved upward, and when the button is released, the sliding lock is elastically reset due to the action of the return spring.
19. The vehicle adapter according to claim 18, wherein the top cover is provided with a first boss to be sleeved with the top end of the return spring.
20. The vehicle adapter according to claim 19, wherein the slide lock comprises a riser, a horizontal plate and a second protrusion, the riser is slidably engaged with the sliding groove, and the horizontal plate is connected to the The bottom end of the riser is connected to the end of the horizontal plate, and the second protrusion is disposed on the horizontal plate to be sleeved with the bottom end of the return spring.