Identification structure of printing paper

Abstract

The utility model provides a printing paper identification structure which comprises an upper support, a lower support, a circuit board and a light guide seat, and a paper feeding channel is formed between the upper support and the lower support. The circuit board is arranged on the lower support and located on one side of the paper feeding channel, and an emitter and a receiver are arranged on the circuit board; the light guide base is arranged on the upper support and located on the other side of the paper feeding channel, and a light beam emitted by the emitter enters the receiver after passing through the light guide base; two sides of the circuit board are respectively provided with a first step and a second step, and the lower bracket is provided with a first mounting position and a second mounting position for embedding the first step and the second step. According to the identification structure, the first installation position and the second installation position are arranged on the lower support and used for installing the circuit board, after the circuit board is installed in place, the circuit board can be better limited, the situation that the detection effect is affected due to the fact that the circuit board is not installed in place is avoided, meanwhile, assembling is easy and convenient, tedious assembling is avoided, and rapid assembling is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of printer accessories, in particular to a print paper identification structure. BACKGROUND

[0002] At present, the heat sensitive printer is widely used in POS machine, vending machine or cash register, and the heat sensitive printer usually comprises a shell body (or lower shell assembly), a paper bin slot, a paper bin cover (upper shell assembly) and a print head, the paper bin slot has a cavity for containing a heat sensitive paper roll, the paper bin cover is rotatably connected to the shell body, the heat sensitive paper roll in the paper bin slot can be replaced by opening the paper bin cover, and the print head is installed in the shell body and used for printing on the heat sensitive paper.

[0003] The existing printer needs a detection device for detecting the print paper when printing, whether the print paper is in the paper path is detected, the transmitter and the receiver for identification in the detection device are mostly installed on the circuit board, and the circuit board is locked on the bracket of the printer through bolts, in this way, the bolts need to be locked, the installation efficiency is not high, and the locking may be loose, which affects the detection effect and other problems.

[0004] Therefore, the present application provides a print paper identification structure. UTILITY MODEL CONTENTS

[0005] The utility model discloses a print paper identification structure, which can overcome the shortcomings of the prior art.

[0006] According to the print paper identification structure, the first mounting position and the second mounting position are arranged on the lower bracket to mount the circuit board, the circuit board can be quickly mounted in a buckle-like manner, and after being mounted in place, the circuit board can be better limited, overcoming the shortcomings caused by the screw locking.

[0007] The upper bracket and the lower bracket form a paper path therebetween.

[0008] The circuit board is arranged on the lower bracket and located on one side of the paper path, and the transmitter and the receiver are arranged on the circuit board.

[0009] The light guide seat is arranged on the upper bracket and located on the other side of the paper path, and the light beam emitted by the transmitter is injected into the receiver through the light guide seat.

[0010] The first step and the second step are arranged on the two sides of the circuit board respectively, and the first mounting position and the second mounting position for embedding the first step and the second step are arranged on the lower bracket.

[0011] The utility model discloses recognition structure, through setting first installation site and second installation site for installing circuit board at lower support, adopt the similar buckle mode to realize the quick installation of circuit board, and after installing in place, circuit board can be better defined, avoid the tedious assembly, realized the quick assembly.

[0012] In some embodiments of the utility model, the transmitter and the receiver are arranged side by side on the circuit board and are electrically connected with the circuit board.

[0013] In some embodiments of the utility model, the first installation site and the second installation site are installation grooves or installation holes.

[0014] In some embodiments of the utility model, the lower support is provided with an avoiding hole for avoiding the transmitter and the receiver.

[0015] In some embodiments of the utility model, the light guide seat comprises two symmetrical reflection surfaces, and the light beam emitted by the transmitter is shot into the receiver through the two reflection surfaces.

[0016] In some embodiments of the utility model, the circuit board is further provided with an inductive device for recognizing printing paper.

[0017] In some embodiments of the utility model, the light guide seat comprises a reflection part for reflecting the light beam and a mounting part for mounting, and the mounting part embeds the light guide seat on the upper support.

[0018] In some embodiments of the utility model, the upper support is provided with a third installation site for embedding the light guide seat.

[0019] In some embodiments of the utility model, the mounting part comprises a support part arranged on the reflection part and two buckles arranged on the support part, and the upper support is provided with a clamping step for clamping the two buckles.

[0020] In some embodiments of the utility model, the outer sides of the two buckles are provided with inclined surfaces for facilitating entering the third installation site.

[0021] In some embodiments of the utility model, the upper support is provided with a limiting step for limiting the installation of the light guide seat in the third installation site. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model.

[0023] Among them:

[0024] Figure 1 is the schematic view of the identification structure of the printing paper of the utility model;

[0025] Figure 2 is the partial enlarged view of the utility model Figure 1 ;

[0026] Figure 3 is the exploded view of the identification structure of the printing paper of the utility model;

[0027] Figure 4 is the assembly schematic view of the light guide seat of the utility model;

[0028] Figure 5 is the structural schematic view of the circuit board of the utility model;

[0029] Figure 6 is the structural schematic view of the light guide seat of the utility model.

[0030] Label explanation:

[0031] 10, upper support, 11, third installation position, 12, clamping step, 13, limiting step, 20, lower support, 21, first installation position, 22, second installation position, 23, avoiding hole, 30, circuit board, 31, transmitter, 32, receiver, 33, sensing device, 301, first step, 302, second step, 40, light guide seat, 41, reflecting part, 42, installation part, 421, supporting part, 422, buckle, 4221, inclined surface. Specific implementation

[0032] In order to make the technical problem, technical scheme and beneficial effect to be solved by the utility model more clear and obvious, the utility model is further described in detail in the following with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0033] Please refer to Figures 1 to 6The utility model provides a kind of identification structure of printing paper, including upper support 10 and lower support 20, circuit board 30, light guide seat 40, upper support 10 and lower support 20 form paper path between them;Circuit board 30 is arranged on lower support 20 and located paper path side, emitter 31 and receiver 32 are arranged on circuit board 30;Light guide seat 40 is arranged on upper support 10 and located paper path other side, light beam emitted by emitter 31 is shot into receiver 32 after passing through light guide seat 40;First step 301 and second step 302 are respectively arranged on the two sides of circuit board 30, first mounting position 21 and second mounting position 22 for embedding first step 301 and second step 302 are arranged on lower support 20.The utility model identification structure is by being arranged first mounting position 21 and second mounting position 22 on lower support 20 for installing circuit board 30, the quick installation of circuit board 30 is achieved using the similar buckle 422 mode, and after installation in place, circuit board 30 can be better defined, avoid installation to affect detection effect, while, assembly is simple and convenient, avoid tedious assembly, realize the quick assembly.

[0034] Specifically, please refer to Figure 5 Emitter 31 and receiver 32 are arranged side by side on circuit board 30 and electrically connected with circuit board 30, and fixed and electrically connected using prior art.

[0035] Specifically, please refer to Figures 1-3 First mounting position 21 and second mounting position 22 in the utility model are installation slot or mounting hole, preferably using mounting hole, not only can be convenient for quick installation circuit board 30, but also can intuitively observe whether circuit board 30 is installed in place, since lower support 20 uses plastic part, and the part of first mounting position 21 not extended step portion is provided, thus having certain elasticity, facilitating the quick installation of circuit board 30, during installation, first step 302 is embedded in second mounting position 22, and first step 301 is embedded in first mounting position 21 under the action of external force.

[0036] Lower support 20 is provided with avoiding hole 23 for avoiding emitter 31 and receiver 32.Light guide seat 40 includes two symmetrical reflection surfaces, and light beam emitted by emitter 31 is shot into receiver 32 after passing through the two reflection surfaces, preferably, the two reflection surfaces are arranged at 45 degrees to achieve the best reflection effect.Circuit board 30 is further provided with sensing device 33 for identifying printing paper, for sensing the type of printing paper, to further improve the applicability of the printer.

[0037] Specifically, please refer to Figure 6The light guide base 40 comprises a reflection part 41 for reflecting a light beam, a mounting part 42 for mounting, the mounting part 42 is embedded on the upper support 10, and two reflection surfaces are arranged on the reflection part 41. The third mounting position 11 for embedding the light guide base 40 is arranged on the upper support 10. The mounting part 42 comprises a supporting part 421 arranged on the reflection part 41 and two buckles 422 arranged on the supporting part 421. The buckle position step 12 for buckling the two buckles 422 is arranged on the upper support 10. The light guide base 40 is embedded in the third mounting position 11, and the buckle 422 passes through the third mounting position 11 and hooks the buckle position step 12, so that the light guide base 40 is quickly mounted. The inclined surface 4221 is arranged outside the two buckles 422 and facilitates the entry of the third mounting position 11. The limiting step 13 for limiting the mounting of the light guide base 40 is arranged on the upper support 10 and located in the third mounting position 11. After the light guide base 40 is mounted in place, the supporting part 421 abuts against the limiting step 13. Since the height of the reflection part 41 is higher than that of the supporting part 421, the limiting step 13 can prevent the light guide base 40 from being assembled incorrectly.

[0038] The mounting mode of the identification structure is as follows:

[0039] First, the circuit board 30 with the transmitter 31 and the receiver 32 is mounted on the lower support 20. Specifically, the second step 302 is embedded in the second mounting position 22, the first step 301 is embedded in the first mounting position 21, and the transmitter 31 and the receiver 32 are arranged in the corresponding avoiding hole 23.

[0040] Second, the supporting part 421 corresponds to the limiting step 13, the buckle 422 corresponds to the third mounting position 11 and is embedded, and then the buckle 422 buckles the buckle position step 12, so that the light guide base 40 is quickly and accurately assembled.

[0041] In summary, the identification structure is provided with the first mounting position and the second mounting position on the lower support for mounting the circuit board. The circuit board is quickly mounted in a buckle-like manner, and after being mounted in place, the circuit board can be better limited, so that the detection effect is not affected by improper mounting. Meanwhile, the assembly is simple and convenient, the complicated assembly is avoided, and the quick assembly is realized.

[0042] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An identification structure of a printing paper, characterized by, The application relates to a paper feeding device, which comprises: an upper support and a lower support, a paper feeding channel being formed between the upper support and the lower support; a circuit board arranged on the lower support and located at one side of the paper feeding channel, an emitter and a receiver being arranged on the circuit board; a light guide seat arranged on the upper support and located at the other side of the paper feeding channel, a light beam emitted by the emitter being shot into the receiver through the light guide seat; first and second steps being arranged on two sides of the circuit board respectively, and first and second installation positions being arranged on the lower support for the first and second steps to be embedded.

2. The print paper identification structure of claim 1, wherein The first and second installation positions are installation grooves or installation holes.

3. The print paper identification structure of claim 1, wherein An avoiding hole is arranged on the lower support for avoiding the emitter and the receiver.

4. The print paper identification structure of claim 1, wherein The light guide seat comprises two symmetrical reflection surfaces, and the light beam emitted by the emitter is shot into the receiver through the two reflection surfaces.

5. The print paper identification structure of claim 1, wherein An inductive device for recognizing a printing paper is further arranged on the circuit board.

6. The print paper identification structure of claim 1, wherein The light guide seat comprises a reflection part for reflecting the light beam and an installation part for installation, and the installation part is embedded in the upper support.

7. The print paper identification structure of claim 6, wherein A third installation position is arranged on the upper support for the light guide seat to be embedded.

8. The print paper identification structure of claim 6, wherein The installation part comprises a support part arranged on the reflection part and two buckles arranged on the support part, and a clamping position step is arranged on the upper support for the two buckles to be clamped.

9. The print paper identification structure of claim 8, wherein, Inclined surfaces are arranged outside the two buckles to facilitate entering the third installation position.

10. The print paper identification structure of claim 1, wherein A limiting step is arranged on the upper support and located in the third installation position for limiting the installation of the light guide seat.

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