Portable Side Opening Structure and Opening Method of POS Machine Printing Cover

Abstract

The present invention provides a portable side-opening structure for a POS machine printing cover and an opening method, which includes a front-end opening unit and a rear-end opening unit; the front end of the printing cover is connected to the front end of the printer housing main body through the front-end opening unit; the rear end of the printing cover is connected to the rear end of the printer housing main body through the rear-end opening unit. For the portable side-opening structure for a POS machine printing cover and the opening method provided by the present invention, when a user needs to open the printing cover, they only need to press an opening button, so that the opening lock rotates and disengages from the lock groove of the printing cover, and the printing cover automatically opens under the action of the hinge spring. This is to facilitate the replacement of printing paper and improve the user experience. Therefore, the present invention can solve the problem that users need to forcefully pull when opening the printing cover, resulting in a poor experience; at the same time, it also solves the problem that the printing shaft is deformed or worn due to extrusion during the opening and closing of the cover.

Description

Technical Field

[0001] The invention belongs to the technical field of POS machine structure design, and in particular relates to a portable side opening structure of a POS machine printing cover and an opening method. Background Art

[0002] The print cover of a traditional POS machine is generally fixed with a loose buckle, that is, the print shaft set on the print cover and the card slot set in the printer bracket are fastened by pressing. This fixing method has the following problems: the buckle position will be worn during the fastening process of the print cover, and the buckle position is easy to fail after long-term use; and each time the print cover is opened and closed, the print shaft will be squeezed once, and the print shaft is easy to deform and affect the printing operation effect. In addition, with the loose buckle fixing method, the user needs a lot of force to pry open the print cover, which affects the user experience. Summary of the invention

[0003] In view of the defects in the prior art, the present invention provides a portable side opening structure and opening method of a POS printing cover, which can effectively solve the above problems.

[0004] The technical solution adopted by the present invention is as follows:

[0005] The present invention provides a portable side opening structure of a POS machine printing cover, comprising a front opening unit and a rear opening unit;

[0006] The front end of the print cover is connected to the front end of the printer housing body through the front end cover opening unit; the rear end of the print cover is connected to the rear end of the printer housing body through the rear end cover opening unit.

[0007] Preferably, the front cover opening unit comprises a cover opening button, a cover opening spring and a cover opening lock;

[0008] The front end inner wall of the printer housing body is provided with the front end cover opening unit; wherein the cover opening button is horizontally slidable; and the cover opening lock is provided on the sliding path of the cover opening button;

[0009] The cover-opening lock comprises a rotating shaft, a locking plate and an inserting portion; the rotating shaft is rotatably connected to the front inner wall of the printer housing body; a plug hole is provided at the center of the rotating shaft, the lower part of the locking plate passes through the plug hole and is located in front of the cover-opening button; the cover-opening spring is installed between the upper rear side of the locking plate and the front inner wall of the printer housing body, and the inserting portion is fixedly installed on the upper front side of the locking plate; the inserting portion is adapted to the lock slot at the front end of the printing cover.

[0010] Preferably, a pressing hole is provided at the front end of the printer housing body, and the cover opening button is assembled in the pressing hole.

[0011] Preferably, the lid opening button includes a pressing cover body, a limiting cover body, and a pressing rod;

[0012] The limiting cover body is fixedly installed inside the lid opening button, and the horizontally arranged pressing rod is fixedly installed inside the limiting cover body;

[0013] Wherein: the shape of the pressing cover body matches the shape of the pressing hole; the size of the limiting cover body is larger than the size of the pressing cover body, and is used to prevent the lid opening button from detaching from the pressing hole;

[0014] The front inner wall of the printer housing main body is fixedly installed with a limiting cover body guiding column to guide the front and rear movement of the limiting cover body.

[0015] Preferably, the front inner wall of the printer housing main body is fixedly installed with a lid opening spring positioning column and a rotating shaft assembly seat.

[0016] Preferably, the rear lid opening unit includes a hinge shaft, a hinge spring, a first hinge spring fixing seat, and a second hinge spring fixing seat;

[0017] The rear end of the printing cover is rotatably connected to the rear end of the printer housing main body through the hinge shaft;

[0018] The first hinge spring fixing seat and the second hinge spring fixing seat are respectively fixedly installed at the rear end of the printing cover and the rear end of the printer housing main body;

[0019] The spring coil of the hinge spring is sleeved outside the hinge shaft, one end of the hinge spring is fixed to the first hinge spring fixing seat; the other end of the hinge spring is fixed to the second hinge spring fixing seat.

[0020] Preferably, the number of the rear lid opening units is two, and they are symmetrically arranged left and right.

[0021] The present invention also provides an opening method for a portable side lid opening structure of a POS machine printing cover, including the following steps:

[0022] Step 1, when the printing cover is in the closed state, the insertion part of the lid opening lock is inserted into the lock groove of the printing cover under the elastic force of the lid opening spring, so as to fix the printing cover and the printer housing main body;

[0023] Step 2, when it is necessary to open the printing cover, press the lid opening button, and the lid opening button moves forward, thereby pushing the lower part of the lock plate of the lid opening lock, so that the lock plate of the lid opening lock drives the rotating shaft to rotate counterclockwise against the elastic force of the lid opening spring, so that the upper part of the lock plate of the lid opening lock moves obliquely backward, and further makes the insertion part of the lid opening lock disengage from the lock groove;

[0024] When the insertion part of the open cover lock buckle disengages from the lock groove, under the elastic force of the hinge spring of the rear-end open cover unit, the printing cover rotates clockwise around the hinge axis, thereby opening the printing cover;

[0025] After the printing cover is opened, release the open cover button, and the open cover button and the open cover lock buckle reset. In the reset state, under the elastic force of the open cover spring, the insertion part of the open cover lock buckle is in the ejected state;

[0026] Step 3, when the printing cover needs to be closed again, press the printing cover so that the printing cover rotates counterclockwise around the hinge axis against the elastic force of the hinge spring. When it rotates to contact the insertion part, continue to press the printing cover downward. The printing cover first causes the insertion part to retract against the elastic force of the open cover spring. When the printing cover is pressed in place, the insertion part pops out under the elastic force of the open cover spring and inserts into the lock groove of the printing cover, completing the process of automatically closing the printing cover.

[0027] The portable side-opening structure and opening method of the POS machine printing cover provided by the present invention have the following advantages:

[0028] For the portable side-opening structure and opening method of the POS machine printing cover provided by the present invention, when the user needs to open the printing cover, only need to press the open cover button once, so that the open cover lock buckle rotates and disengages from the lock groove of the printing cover, and the printing cover automatically opens under the action of the hinge spring. So as to replace the printing paper and improve the user experience. Therefore, the present invention can solve the problem that the user needs to forcefully pull and tear when opening the printing cover, resulting in a poor experience; at the same time, it also solves the problem that the printing shaft is squeezed, deformed or worn when opening and closing the cover. Brief Description of the Drawings

[0029] Figure 1 Is an exploded view of the portable side-opening structure of the POS machine printing cover provided by the present invention;

[0030] Figure 2 Is a top view of the front-end open cover unit provided by the present invention;

[0031] Figure 3 Is a three-dimensional view of the front-end open cover unit provided by the present invention;

[0032] Figure 4 Is an assembly drawing of the front-end open cover unit in the printer housing main body provided by the present invention;

[0033] Figure 5 Is an inner side structure diagram of the front end of the printer housing main body provided by the present invention;

[0034] Figure 6 Is a three-dimensional view of the printing cover provided by the present invention;

[0035] Figure 7 Is an assembly drawing of the rear-end open cover unit provided by the present invention;

[0036] Figure 8 This is the structural diagram of the portable side opening structure of the POS printer cover provided by the present invention in the closed state;

[0037] Figure 9 This is the structural diagram of the portable side opening structure of the POS printer cover provided by the present invention when the front opening unit is in the pressed state;

[0038] Figure 10 This is the structural diagram of the portable side opening structure of the POS printer cover provided by the present invention in the fully opened state. Detailed implementation manners

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0040] The present invention provides a portable side opening structure for a POS printer cover, which includes a front opening unit 100 and a rear opening unit 200.

[0041] As Figure 1 shown, the front end of the printer cover 300 is connected to the front end of the printer housing main body 400 through the front opening unit 100; the rear end of the printer cover 300 is connected to the rear end of the printer housing main body 400 through the rear opening unit 200.

[0042] The following is a detailed introduction to the front opening unit 100 and the rear opening unit 200 respectively:

[0043] (1) Front opening unit 100

[0044] As Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the front opening unit 100 includes an opening button 101, an opening spring 102 and an opening lock 103.

[0045] The front inner wall of the printer housing main body 400 is provided with the front opening unit 100; among them, the opening button 101 can be slidably arranged horizontally; on the sliding path of the opening button 101, the opening lock 103 is installed;

[0046] The opening lid lock 103 includes a rotating shaft 1031, a lock plate 1032, and an insertion part 1033; the rotating shaft 1031 is rotatably connected to the front inner wall of the printer housing main body 400; for example, a rotating shaft assembly seat 404 is fixedly installed on the front inner wall of the printer housing main body 400, and both ends of the rotating shaft 1031 are rotatably assembled with a rotating shaft assembly seat 404 respectively, so as to realize the rotatable function of the rotating shaft 1031.

[0047] A jack 10311 is opened at the center of the rotating shaft 1031, the lower part of the lock plate 1032 passes through the jack 10311 and is located in front of the opening lid button 101; an opening lid spring 102 is installed between the rear side of the upper part of the lock plate 1032 and the front inner wall of the printer housing main body 400; for example, an opening lid spring positioning post 403 is fixedly installed on the front inner wall of the printer housing main body 400, and the opening lid spring 102 is assembled through the opening lid spring positioning post 403;

[0048] The insertion part 1033 is fixedly installed on the front side of the upper part of the lock plate 1032; the insertion part 1033 is adapted to the lock groove 301 at the front end of the printing lid 300. As Figure 6 shown, it is the structure diagram of the lock groove 301.

[0049] A pressing hole 401 is opened at the front end of the printer housing main body 400, and the opening lid button 101 is assembled in the hole of the pressing hole 401.

[0050] The opening lid button 101 includes a pressing cover body 1011, a limiting cover body 1012, and a pressing rod 1013;

[0051] The limiting cover body 1012 is fixedly installed inside the opening lid button 101, and the horizontally arranged pressing rod 1013 is fixedly installed inside the limiting cover body 1012;

[0052] Wherein: the shape of the pressing cover body 1011 matches the shape of the pressing hole 401; the size of the limiting cover body 1012 is larger than the size of the pressing cover body 1011, which is used to prevent the opening lid button 101 from detaching from the pressing hole 401;

[0053] A limiting cover body guiding post 402 is fixedly installed on the front inner wall of the printer housing main body 400 to guide the forward and backward movement of the limiting cover body 1012.

[0054] (II) Rear end opening lid unit 200

[0055] As Figure 7 shown, the rear end opening lid unit 200 includes a hinge shaft 201, a hinge spring 202, a first hinge spring fixing seat 203, and a second hinge spring fixing seat 204;

[0056] The rear end of the printing lid 300 is rotatably connected to the rear end of the printer housing main body 400 through the hinge shaft 201;

[0057] A first hinge spring fixing seat 203 and a second hinge spring fixing seat 204 are fixedly installed at the rear ends of the printing cover 300 and the printer housing main body 400 respectively.

[0058] The spring coil of the hinge spring 202 is sleeved outside the hinge shaft 201. One end of the hinge spring 202 is fixed to the first hinge spring fixing seat 203; the other end of the hinge spring 202 is fixed to the second hinge spring fixing seat 204.

[0059] As a specific implementation manner, the number of the rear-end opening units 200 is two, and they are symmetrically arranged on the left and right.

[0060] The present invention also provides an opening method for the opening structure of the portable side part of the POS machine printing cover, including the following steps:

[0061] Step 1, as Figure 8 shown, when the printing cover 300 is in the closed state, the insertion part 1033 of the opening cover lock 103 is inserted into the lock groove 301 of the printing cover 300 under the elastic force of the opening cover spring 102, realizing the fixation of the printing cover 300 and the printer housing main body 400;

[0062] Step 2, when it is necessary to open the printing cover 300, press the opening cover button 101. The opening cover button 101 moves forward, thereby pushing the lower part of the lock plate 1032 of the opening cover lock 103, so that the lock plate 1032 of the opening cover lock 103 drives the rotating shaft 1031 to rotate counterclockwise together against the elastic force of the opening cover spring 102, so that the upper part of the lock plate 1032 of the opening cover lock 103 moves obliquely backward, and further the insertion part 1033 of the opening cover lock 103 disengages from the lock groove 301, forming Figure 9 the state diagram shown;

[0063] When the insertion part 1033 of the opening cover lock 103 disengages from the lock groove 301, under the elastic force of the hinge spring 202 of the rear-end opening unit 200, the printing cover 300 rotates clockwise around the hinge shaft 201, and further the printing cover 300 is opened, forming Figure 10 the state diagram shown;

[0064] After the printing cover 300 is opened, release the opening cover button 101. The opening cover button 101 and the opening cover lock 103 are reset. In the reset state, under the elastic force of the opening cover spring 102, the insertion part 1033 of the opening cover lock 103 is in the ejected state;

[0065] Step 3, when the printing cover 300 needs to be closed again, press the printing cover 300, so that the printing cover 300 rotates counterclockwise around the hinge shaft 201 against the elastic force of the hinge spring 202. When it rotates to contact the insertion part 1033, continue to press the printing cover 300 downward. The printing cover 300 first makes the insertion part 1033 retract against the elastic force of the open cover spring 102. When the printing cover 300 is pressed in place, the insertion part 1033 pops out under the elastic force of the open cover spring 102 and is inserted into the lock groove 301 of the printing cover 300, completing the process of automatically closing the printing cover 300.

[0066] For the portable side-opening structure and opening method of the printing cover of the POS machine provided by the present invention, when the user needs to open the printing cover, only need to press the open cover button once, so that the open cover lock buckle rotates and disengages from the lock groove of the printing cover, and the printing cover automatically opens under the action of the hinge spring. In order to replace the printing paper and improve the user experience. Therefore, the present invention can solve the problem that the user needs to forcefully pull when opening the printing cover, resulting in a poor experience; at the same time, it also solves the problem that the printing shaft is deformed or worn due to extrusion during the opening and closing of the cover.

[0067] The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A portable side-opening structure for the printing cover of a POS machine, characterized in that, It includes a front-end opening unit (100) and a rear-end opening unit (200); The front end of the printing cover (300) is connected to the front end of the printer housing main body (400) through the front-end opening unit (100); the rear end of the printing cover (300) is connected to the rear end of the printer housing main body (400) through the rear-end opening unit (200); The front-end opening unit (100) includes an opening button (101), an opening spring (102), and an opening lock (103); The front-end inner wall of the printer housing main body (400) is provided with the front-end opening unit (100); among them, the opening button (101) is slidably arranged horizontally; on the sliding path of the opening button (101), the opening lock (103) is installed; The opening lock (103) includes a rotating shaft (1031), a locking plate (1032), and an insertion part (1033); the rotating shaft (1031) is rotatably connected to the front-end inner wall of the printer housing main body (400); a jack (10311) is opened at the center of the rotating shaft (1031), the lower part of the locking plate (1032) passes through the jack (10311) and is located in front of the opening button (101); an opening spring (102) is installed between the upper rear side of the locking plate (1032) and the front-end inner wall of the printer housing main body (400), and the insertion part (1033) is fixedly installed on the upper front side of the locking plate (1032); the insertion part (1033) is adapted to the locking groove (301) at the front end of the printing cover (300).

2. The portable side-opening structure of the POS printer cover according to claim 1, wherein A pressing hole (401) is opened at the front end of the printer housing main body (400), and the opening button (101) is assembled in the hole of the pressing hole (401).

3. The portable side-opening structure of the POS printer cover according to claim 2, wherein The opening button (101) includes a pressing cover body (1011), a limiting cover body (1012), and a pressing rod (1013); The limiting cover body (1012) is fixedly installed inside the opening button (101), and the horizontally arranged pressing rod (1013) is fixedly installed inside the limiting cover body (1012); Among them: the shape of the pressing cover body (1011) matches the shape of the pressing hole (401); the size of the limiting cover body (1012) is larger than the size of the pressing cover body (1011) to prevent the opening button (101) from detaching from the pressing hole (401); A limiting cover body guiding column (402) is fixedly installed on the front-end inner wall of the printer housing main body (400) to guide the forward and backward movement of the limiting cover body (1012).

4. The portable side-opening structure of the POS printer cover according to claim 1, characterized in that, An opening spring positioning column (403) and a rotating shaft assembly seat (404) are fixedly installed on the front-end inner wall of the printer housing main body (400).

5. The portable side-opening structure of the POS printer cover according to claim 1, wherein The rear-end opening unit (200) includes a hinge shaft (201), a hinge spring (202), a first hinge spring fixing seat (203), and a second hinge spring fixing seat (204); The rear end of the printing cover (300) is rotatably connected to the rear end of the printer housing main body (400) through the hinge shaft (201); The first hinge spring fixing seat (203) and the second hinge spring fixing seat (204) are fixedly installed at the rear end of the printing cover (300) and the rear end of the printer housing main body (400) respectively; The spring coil of the hinge spring (202) is sleeved outside the hinge shaft (201), one end of the hinge spring (202) is fixed to the first hinge spring fixing seat (203); the other end of the hinge spring (202) is fixed to the second hinge spring fixing seat (204).

6. The portable side-opening structure of the POS printer cover according to claim 5, characterized in that, The number of the rear end opening units (200) is two, which are symmetrically arranged on the left and right.

7. An opening method for the portable side-opening structure of the printing cover of the POS machine according to claim 5, characterized in that, It includes the following steps: Step 1, when the printing cover (300) is in the closed state, the insertion part (1033) of the opening cover lock (103) is inserted into the lock groove (301) of the printing cover (300) under the elastic force of the opening cover spring (102), so as to fix the printing cover (300) and the printer housing main body (400); Step 2, when it is necessary to open the printing cover (300), press the opening cover button (101), the opening cover button (101) moves forward, thereby pushing the lower part of the lock plate (1032) of the opening cover lock (103), so that the lock plate (1032) of the opening cover lock (103) drives the rotating shaft (1031) to rotate counterclockwise together against the elastic force of the opening cover spring (102), so that the upper part of the lock plate (1032) of the opening cover lock (103) moves obliquely backward, and further makes the insertion part (1033) of the opening cover lock (103) disengage from the lock groove (301); When the insertion part (1033) of the opening cover lock (103) disengages from the lock groove (301), under the elastic force of the hinge spring (202) of the rear end opening unit (200), the printing cover (300) rotates clockwise around the hinge shaft (201), and further opens the printing cover (300); After the printing cover (300) is opened, release the opening cover button (101), the opening cover button (101) and the opening cover lock (103) are reset. In the reset state, the insertion part (1033) of the opening cover lock (103) is in the ejected state under the elastic force of the opening cover spring (102); Step 3, when it is necessary to close the printing cover (300) again, press the printing cover (300), so that the printing cover (300) rotates counterclockwise around the hinge shaft (201) against the elastic force of the hinge spring (202). When it rotates to contact the insertion part (1033), continue to press the printing cover (300) downward. The printing cover (300) first makes the insertion part (1033) retract against the elastic force of the opening cover spring (102). When the printing cover (300) is pressed in place, the insertion part (1033) pops out under the elastic force of the opening cover spring (102) and is inserted into the lock groove (301) of the printing cover (300), completing the process of automatically closing the printing cover (300).

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