WO2010066160A1

WO2010066160A1 - A printer having a waterproof and dustproof cover

Info

Publication number: WO2010066160A1
Application number: PCT/CN2009/075099
Authority: WO
Inventors: 福肯伯格鲁迪.安德烈; 汤晓杰; 张继刚; 杨民
Original assignee: 山东新北洋信息技术股份有限公司
Priority date: 2008-12-12
Filing date: 2009-11-24
Publication date: 2010-06-17
Also published as: CN101746163A; CN101746163B

Abstract

A printer which has a waterproof and dustproof cover is disclosed. It includes an upper casing(10+11), a lower casing(13) and a guard cover(200). The upper casing is provided with a paper outlet(13). One end of the guard cover is hinged onto one of the upper casing and the lower casing. The guard cover covers the paper outlet and a seam on the surface of the upper casing, and has a paper discharging port (30) for discharging the printing media. The printer of this invention can prevent water or dust from entering into the inner of the printer, and environmental suitability can be improved.

Description

Printer with waterproof and dustproof cover

The present application claims priority to Chinese Patent Application No. 200810172776.6, entitled "A Printer with a Waterproof and Dust Cover", filed on December 12, 2008, the entire contents of which are incorporated herein by reference. In the application.

Technical field

The present invention relates to the field of electronic technology, and in particular to a printer having a waterproof dust cover. Background technique

The printer is widely used not only in shopping malls and supermarkets (POS of sale) systems, but also in areas such as catering and lottery sales. For example, in the food and beverage field, customers order food at the front desk, and the printer set in the kitchen prints out the customer menu. The chef makes the dishes according to the printed menu, which greatly improves the efficiency and accuracy of the order. In addition, at the lottery sales outlets, the lottery ticket can be printed on the spot according to the user selection number, and the operation is very convenient. However, the kitchen has a large amount of fumes, which cannot be separated from water. Oil and water can easily enter the inside of the printer through the paper exit of the printer, causing printer malfunction. Also, lottery outlets are usually spread all over the street. The printer works in the outside environment. When it is windy and rainy, dust and rain will inevitably penetrate into the printer through the gap of the printer casing, causing printer malfunction. Therefore, there is a need for a waterproof and dustproof device to protect the printer, so that the printer can still work normally in harsh environments.

Summary of the invention

In view of the above, the present invention provides a printer having a waterproof dustproof cover that can adapt to various environments.

An embodiment of the present invention provides a printer, including an upper casing and a lower casing, and a protective cover; the upper casing is provided with a paper exit;

The protective cover is supported by the upper casing, one end of which is hinged to one of the upper casing and the lower casing;

The protective cover covers a seam of the paper exit port and the upper casing surface, and the protective cover has a paper discharge port for discharging the printing medium.

More preferably, the paper discharge port is located on the surface of the protective cover and is spaced apart from the paper discharge port by a predetermined distance. More preferably, the paper discharge port is located between the protective cover and the upper casing, and a paper exit channel is formed between the protective cover and the upper casing.

The upper casing is composed of a first upper casing and a second upper casing, and the paper discharge port is located between the first upper casing and the second upper casing.

More preferably, the protective cover is hinged to an end of the first upper casing or the second upper casing away from the paper exit.

More preferably, a projection is provided on the protective cover corresponding to the position of the paper discharge opening, and the size of the projection is equal to or larger than the size of the paper discharge opening.

More preferably, at least two guide ribs are disposed in parallel inside the protective cover along the paper discharge direction of the paper exit.

More preferably, the protective cover is internally provided with a support rib that maintains a distance between the protective cover and the upper casing. More preferably, the hinge is specifically: providing a rotating shaft on one of the protective cover and the upper casing, and the other of the two is provided with a mounting hole that cooperates with the rotating shaft; or, in the A rotating shaft is disposed on one of the protective cover and the lower casing, and the other of the two is a mounting hole provided to cooperate with the rotating shaft.

Compared with the prior art, the printer provided by the embodiment of the invention is provided with a protective cover, which can cover the seam between the paper outlet of the printer and the surface of the upper casing, and can prevent moisture or dust from entering the printer through the seam. It can prevent the printer from frequently failing due to the harsh environment and improve the environmental adaptability of the printer. At the same time, the protective cover is hinged to the main body of the printer and integrated with the main body of the printer. The opening or closing operation is simple and convenient, and the operation space of the printer is saved.

DRAWINGS

The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

1 is an external view of a printer according to Embodiment 1 of the present invention;

2 is an external view of a printer body in the first embodiment of the present invention;

3 is a schematic view showing the open state of the protective cover of the printer according to the second embodiment of the present invention; FIG. 4 is a schematic view showing the open state of the protective cover of the printer and the first upper casing according to the second embodiment of the present invention;

5 is an external view of a printer according to Embodiment 3 of the present invention;

6 is a schematic structural view of a protective cover in a printer according to Embodiment 3 of the present invention; FIG. 7 is an external view of a printer according to Embodiment 4 of the present invention.

DETAILED DESCRIPTION OF THE INVENTION In view of the deficiencies of existing printers, the present invention provides a printer with a waterproof and dustproof device, and a protective cover covering the upper casing is added to the existing printer base to prevent moisture or dust from entering the printer interior. Make the printer still work in harsh environments.

Embodiment 1

As shown in Fig. 1, the figure is an external view of a printer according to a first embodiment of the present invention, the printer including a printer main body 100 and a protective cover 200.

The printer main body 100 is basically the same as the conventional printer. The detailed structure is shown in FIG. 2. The figure is an external view of the printer main body in the first embodiment of the present invention.

The printer provided by the embodiment of the present invention includes an upper casing and a lower casing 12 which are composed of a first upper casing 10 and a second upper casing 11. The first upper casing 10 and the lower casing 12 are pivotally connected to each other. The lower housing 12 is rotated open or closed. A paper exit 13 is formed at the interface of the first upper casing 10 and the second upper casing 11.

After the printing is completed, the printing paper is discharged from the paper discharge port 13. The printer also includes a printing mechanism 15 (not shown) and a paper-holding mechanism 16 (see Figure 4). The printing mechanism 15 and the paper holding mechanism 16 are disposed inside the casing. The printing mechanism 15 is for printing an image and text on a printing paper, and the paper-holding mechanism 16 is for placing the printing paper P. When the first upper casing 10 is opened relative to the lower casing 12, the paper-holding mechanism 16 is exposed, and the user can replace the printing paper.

A mounting hole 14 is provided at one end of the lower casing 12 for mounting the protective cover 200. One end of the protective cover 200 is hingedly coupled to the first upper casing 10 through a rotating shaft 201 (not shown), and the other end of the protective cover 200 is overlapped on the surface of the second upper casing 11, and the protective cover 200 will be the printer main body. The paper exit of the upper surface of the 100 and the indirect seam of the casing are completely covered, and the surface of the protective cover 200 is free from any gaps, so that moisture or dust can be prevented from entering the inside of the printer main body 100.

A paper discharge port 30 is provided between the protective cover 200 and the upper casing for discharging printed paper or other medium. In order to ensure that the printing paper is smoothly fed out from the paper discharge port 13 of the printer main body 100, an appropriate gap is formed between the protective cover 200 and the upper casing of the paper discharge port and the paper discharge port (in the direction in which the paper is conveyed) to form a paper exit passage. (Not shown in the figure). For example, a protrusion 202 is disposed on the protective cover 200 corresponding to the position of the paper exit 13 , and the size of the protrusion 202 is greater than or equal to the paper exit 13 Size. The projection 202 forms a paper exit path with the surface of the second upper casing 11, through which the printing paper exits the printer from the paper discharge port 30.

In order to reduce the friction between the printing paper and the projection 202, a plurality of guide ribs 202a are provided in parallel along the width direction of the printing paper on the surface of the projection 202 in contact with the printing paper.

Embodiment 2

It should be noted that the embodiment is substantially the same as the first embodiment, except that in the embodiment of the present invention, a mounting hole is disposed on the protective cover 200, and a rotating shaft is disposed at one end of the lower housing 12. The mounting hole on the protective cover 200 is engaged with the rotating shaft of the lower casing 12.

FIG. 3 is a schematic diagram of an open state of a printer protection cover according to Embodiment 2 of the present invention. Fig. 4 is a schematic view showing the state in which the printer protective cover and the first upper casing are simultaneously opened according to the second embodiment of the present invention. The characteristics of the printer provided in the second embodiment of the present invention will be described below with reference to FIG. 2, FIG. 3 and FIG. When the printer is in normal operation, the protective cover 200 covers the surface of the upper casing, and covers the gaps of the paper exit port and the upper casing to prevent moisture or dust from entering the inside of the printer main body 100. When the cover or key operation is required, the protective cover 200 can be rotated to separate the protective cover 200 from the upper casing. When the protective cover 200 is rotated to the set angle, it can be supported by the lower casing 12 to reach a steady state, as shown in FIG. When it is necessary to replace the printing paper, the protective cover 200 may be first rotated and then rotated to open the first upper casing 10, so that the paper-holding mechanism 16 is completely opened, and the user can conveniently perform the paper-changing operation, as shown in FIG.

Embodiment 3

Referring to Figure 5, there is shown an external view of a printer according to a third embodiment of the present invention. This embodiment is different from the above embodiment in that the hinge point of the protective cover 200 and the printer main body is disposed on the second upper casing 11. The surface of the protective cover 200 is provided with a paper discharge port 30 for discharging the printed medium, and the paper discharge port 30 is disposed at a certain distance from the paper discharge port 13. Thus, even if moisture enters the inside of the protective cover 200 from the paper discharge port 30, it flows out along the gap between the upper casing and the side surface of the protective cover, and does not enter the inside of the printer. Figure 6 is a schematic view of the protective cover of the printer shown in Figure 5. As shown in FIG. 6, the figure is a schematic structural view of a protective cover in a printer provided in Embodiment 3 of the present invention. The inside of the protective cover 200 is provided with support ribs 203 corresponding to the longitudinal direction of the paper exit opening 13 to maintain a certain distance between the inner surface of the protective cover 200 and the upper casing, and a paper exit passage 31 is formed, and the printing paper passes through the paper discharge port 13 in sequence. After the paper exit path 31, the printer is ejected from the paper discharge port 30'. At the same time, the protective cover The baffle 204 is disposed at one end of the 200 away from the hinge point. Thus, when the protective cover 200 is covered on the upper casing 40, the periphery thereof is closed, and the invasion of moisture and dust is more effectively prevented.

Embodiment 4

Referring to FIG. 7, an external view of a printer according to a fourth embodiment of the present invention is shown. The difference between this embodiment and the above embodiment is that the upper casing is an integral structure, and the pivotal point of the protective cover and the printer main body is disposed on the upper casing. a paper exit port is disposed on the upper casing; the other end of the protective cover is overlapped on the upper casing surface; the protective cover covers the seam of the paper exit port and the upper casing surface, and the protective cover A paper exit passage is formed between the upper casings.

A printer having a waterproof dust cover provided by the embodiment includes:

Upper housing 40 and lower housing 12, protective cover 200;

The upper casing is provided with a paper exit 13;

One end of the protective cover 200 is pivotally connected to an end of the upper casing 40 away from the paper exit; the protective cover 200 covers the paper exit 13 .

One end of the protective cover 200 is pivotally connected to the upper casing 40, specifically:

A mounting hole is disposed on the upper casing 40 for mounting the protective cover 200;

The protective cover 200 is pivotally connected to the upper casing 40 through a rotating shaft; or a mounting hole is disposed on the protective cover 200, and a rotating shaft is disposed on the upper casing 40, and the protective cover 200 The mounting hole mates with a rotating shaft on the upper housing 40.

The above description is only for the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modifications, equivalents, improvements, etc. made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

Rights request

A printer, comprising:

Upper and lower casings, protective cover;

The upper casing is provided with a paper exit;

The printer according to claim 1, wherein the paper discharge port is located on a surface of the protective cover and is spaced apart from the paper discharge port by a predetermined distance.

The printer according to claim 1, wherein the paper discharge port is located between the protective cover and the upper casing, and a paper passage is formed between the protective cover and the upper casing. .

4. The printer according to claim 3, wherein the upper casing is composed of a first upper casing and a second upper casing, and the paper discharge port is located in the first upper casing and the Between the second upper casings.

The printer according to claim 4, wherein the protective cover is hinged to an end of the first upper casing or the second upper casing away from the paper discharge port.

6. The printer according to claim 2, wherein a protrusion is provided on the protective cover corresponding to the position of the paper exit, and the size of the protrusion is greater than or equal to the size of the paper exit.

The printer according to any one of claims 1 to 6, wherein at least two guide ribs are disposed in parallel inside the protective cover along the paper discharge direction of the paper exit.

The printer according to any one of claims 1 to 6, wherein the protective cover is internally provided with a support rib that maintains a distance between the protective cover and the upper case.

The printer according to any one of claims 1 to 6, wherein the hinge is specifically:

a rotating shaft is disposed on one of the protective cover and the upper casing, and the other of the two is provided with a mounting hole that cooperates with the rotating shaft;

or, A rotating shaft is disposed on one of the protective cover and the lower casing, and the other of the two is a mounting hole provided to cooperate with the rotating shaft.