Thermal printer with cover body and seat body matched wiring

Abstract

The utility model provides a thermal printer with a cover body and a seat body matched with wiring, which comprises a base, a cover body, a rubber roller, a thermal sensitive sheet and a main control circuit board, the base comprises a lower inner seat and an outer bottom shell, the cover body comprises an upper inner seat and an outer cover shell, a first arc-shaped groove is arranged in the base, a second arc-shaped groove is arranged in the cover body, and the thermal sensitive sheet is arranged in the first arc-shaped groove. The supporting arm is rotatably arranged in the first arc-shaped groove, so that a power cable and a data cable penetrate through the first wire port, the first arc-shaped groove, the second arc-shaped groove and the second wire port to be connected with the main control circuit board, rotation of the cover body is more stable, and communication of the first arc-shaped groove and the second arc-shaped groove is not affected by rotation of the cover body; and the wiring of the power supply cable and the data cable is more stable.

Description

Technical Field

[0001] The utility model relates to the field of thermal printing equipment, in particular to a thermal printer with a cover body and a seat body coordinated with wiring. Background Art

[0002] With the popularization of thermal printers, they are not only used in bank ATMs, supermarket cash registers and e-commerce delivery offices, but also in the rapidly growing e-commerce and express delivery industries, which have higher requirements for the stability, durability, and printing accuracy and speed of the printers.

[0003] Most of the existing printers install the thermal film on the cover, and the main control circuit board is set on the base. Since the signal line of the thermal film needs to go around the cover to connect to the main control circuit board of the base, it is necessary to design relevant channels for the signal line so that the cover can be opened and closed when it is rotated to reduce the pulling effect on the cable. Utility Model Content

[0004] The utility model aims to provide a thermal printer with a cover body and a base body matched with wiring.

[0005] In order to achieve the purpose of the utility model, the utility model provides a thermal printer with a cover body and a seat body with wiring, comprising a base, a cover body, a rubber roller, a thermal sheet and a main control circuit board, the cover body is located above the base, the cover body is hinged to the base, the rubber roller is arranged on the base, the thermal sheet is arranged on the cover body, a paper outlet is formed between the base and the cover body, the thermal sheet and the rubber roller are close to the paper outlet and opposite to each other to form a paper feeding channel, and the paper feeding channel is connected to the paper outlet; the base comprises a lower inner seat and an outer bottom shell, the rubber roller is arranged on the upper surface of the lower inner seat, the upper surface of the lower inner seat extends downward and is provided with two guard walls, the two guard walls are located on both sides of the paper feeding channel based on the paper width direction, a first hinge point is arranged in the guard wall, a first arc groove is arranged on the outer periphery of the first hinge point in the guard wall, a first wire port is arranged at the lower end of the first arc groove, an access module is arranged at the lower end of the guard wall, the access module is provided with a power interface and a data interface, the outer bottom shell is sleeved on the lower inner seat and the outside of the guard wall, and the outer bottom shell is penetrated and provided with The interface window, the power interface and the data interface are located at the interface window; the cover body includes an upper inner seat and an outer cover shell, the thermal sensitive sheet is arranged on the lower surface of the upper inner seat, the lower surface of the upper inner seat is extended downwardly to be provided with two support arms, the two support arms are located on both sides in the paper width direction, the support arm is provided with a second hinge point, the support arm is provided with a second arc groove on the outer periphery of the second hinge point, the upper end of the second arc groove is provided with a second wire port, the main control circuit board is arranged in the upper inner seat, the outer cover shell is sleeved on the upper inner seat and the outside of the main control circuit board, the thermal sensitive sheet is connected to the main control circuit board through the control cable; the first hinge point is hinged with the second hinge point, the support arm is rotatably arranged in the first arc groove, the first wire port, the first arc groove, the second arc groove and the second wire port are connected, the power interface is connected to the main control circuit board through a power cable, the data interface is connected to the main circuit board through a data cable, the power cable and the data cable pass through the first wire port, the first arc groove, the second arc groove and the second wire port.

[0006] A further solution is that the cross section of the groove wall of the second arc-shaped groove is U-shaped, and the second arc-shaped groove has an opening toward the outside in the paper width direction.

[0007] A further solution is that the first hinge point is arranged as a hinge hole, the second hinge point is arranged as a hinge column, and the hinge column is hinged to the hinge hole.

[0008] A further solution is that the main control circuit board is close to the second line port and is located above the second line port.

[0009] A further solution is that the access module includes a circuit board, the circuit board is fixedly installed at the lower end of the protective wall, and the power interface and the data interface are welded to the circuit board.

[0010] The beneficial effect of the utility model is that a first arc groove is arranged in the base, a second arc groove is arranged in the cover body, and the support arm is rotatably arranged in the first arc groove, so that the power cable and the data cable pass through the first wire port, the first arc groove, the second arc groove and the second wire port to connect with the main control circuit board, which not only makes the rotation of the cover body more stable, but also the rotation of the cover body does not affect the connectivity between the first arc groove and the second arc groove, so that the routing of the power cable and the data cable is more stable, and the U-shaped arrangement of the groove wall and the arrangement of the opening not only facilitates the wiring operation of the cables, but also improves the structural strength of the support arm, and the main control circuit board is arranged on the cover body, and the thermal sensitive sheet is also installed on the cover body, and the main control circuit board is close to the thermal sensitive sheet, so as to reduce the control wiring distance between the thermal sensitive sheet and the main control circuit board, and the reduction of the line length means reducing the voltage drop, improving the transmission stability of the printing data, and then improving the imaging stability, and the main control circuit board is close to and located at the second wire port, so as to facilitate the connection of the power cable and the data cable to the main control circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of an embodiment of a thermal printer of the utility model.

[0012] Figure 2 It is a structural diagram of an embodiment of the thermal printer of the utility model when the cover is opened.

[0013] Figure 3 It is a structural diagram of an embodiment of the thermal printer of the utility model after omitting the outer bottom shell and the outer cover shell.

[0014] Figure 4 It is an exploded view of the lower inner seat and the upper inner seat in the embodiment of the thermal printer of the utility model.

[0015] Figure 5 It is a structural diagram of the upper inner seat in an embodiment of the thermal printer of the utility model.

[0016] Figure 6 It is a cross-sectional view of an embodiment of the thermal printer of the utility model in a closed state.

[0017] Figure 7 It is a cross-sectional view of an embodiment of the thermal printer of the utility model in an open state.

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0019] Reference Figures 1 to 7The thermal printer includes a base 1, a cover 2, a rubber roller 121, a thermal sheet 24 and a main control circuit board 23. The cover 2 is located above the base 1, the cover 2 is hinged to the base 1, the rubber roller 121 is arranged on the base 1, and the thermal sheet 24 is arranged on the cover 2.

[0020] Specifically, the base 1 includes a lower inner seat 12 and an outer bottom shell 11, a rubber roller 121 is rotatably arranged on the upper surface of the lower inner seat 12, and the rubber roller 121 is driven to rotate by a driving motor on the lower inner seat 12. The upper surface of the lower inner seat 12 is extended downward to be provided with two protective walls 122, and the two protective walls 122 are located on both sides of the paper feeding channel based on the paper width direction Y. A first hinge point 130 is arranged in the protective wall 122, and the first hinge point 130 is arranged in a reaming hole. A first arc groove 123 is arranged in the protective wall 122 on the outer periphery of the first hinge point 130, and a first line opening is arranged at the lower end of the first arc groove 123. 125, the upper end of the lower end of the first arc groove 123 has an opening, and the lower end of the protective wall 122 is provided with an access module 126, and the access module 126 is provided with a circuit board 127, a power interface 128 and a data interface 129, the circuit board 127 is fixedly installed at the lower end of the protective wall 122 on one side, the power interface 128 and the data interface 129 are welded on the circuit board 127, and the outer bottom shell 11 is sleeved on the lower inner seat 12 and the outside of the protective wall 122, and the outer bottom shell 11 is penetrated by an interface window 111, and the power interface 128 and the data interface 129 are located at the interface window 111.

[0021] The cover body 2 includes an upper inner seat 22 and an outer cover shell 21. The thermal sheet 24 is arranged on the lower surface of the upper inner seat 22. The thermal sheet 24 and the rubber roller 121 are opposite to each other near the paper outlet 10 and form a paper feeding channel. The extension direction of the paper feeding channel is perpendicular to the paper width direction Y. The paper outlet 10 and the paper inlet 131 are formed between the base 1 and the cover body 2. The paper feeding channel is connected between the paper outlet 10 and the paper inlet 131. The paper outlet 10 and the paper inlet 131 are located at opposite ends of the paper feeding channel. Two paper clamping blocks 132 are arranged at the paper inlet 131.

[0022] Two support arms 25 are extended downward from the lower surface of the upper inner seat 22. The two support arms 25 are located on both sides of the paper width direction Y. The support arms 25 are provided with a second hinge point 251. The second hinge point 251 is arranged in a hinge column. The support arms 25 are provided with a second arc groove 252 on the outer periphery of the second hinge point 251. A second line opening 2521 is provided at the upper end of the second arc groove 252, and a third line opening 2522 is provided at the lower end of the second arc groove 252. The cross-section of the groove wall of the second arc groove 252 is U-shaped, and the second arc groove 252 has an opening toward the outside of the paper width direction Y.

[0023] The main control circuit board 23 is arranged in the upper inner seat 22, the main control circuit board 23 is close to the second wire port 2521 and is located above the second wire port 2521, the outer cover shell 21 is sleeved on the upper inner seat 22 and the main control circuit board 23, and the thermistor 24 is connected to the main control circuit board 23 through the control cable 231.

[0024] The first hinge point 130 is hinged to the second hinge point 251, and the hinge column is hinged to the hinge hole. When the cover body 2 rotates relative to the base 1, the support arm 25 is rotatably arranged in the first arc groove 123, and the first wire opening 125, the first arc groove 123, the third wire opening 2522, the second arc groove 252 and the second wire opening 2521 are connected. The power interface 128 is connected to the main control circuit board 23 through a power cable (not shown), and the data interface 129 is connected to the main control circuit board 23 through a data cable (not shown), and the power cable and the data cable pass through the first wire opening 125, the first arc groove 123, the third wire opening 2522, the second arc groove 252 and the second wire opening 2521.

[0025] Of course, the second arc groove 252 provided on the support arm 25 can be customized according to actual needs. The second arc groove 252 can be provided on one side or both sides of the support arm 25, and the first arc grooves on both sides are used to accommodate the rotation of the support arm 25.

[0026] As can be seen from the above, by setting a first arc groove in the base, setting a second arc groove in the cover body, and rotatably setting the support arm in the first arc groove, the power cable and the data cable are connected to the main control circuit board through the first wire port, the first arc groove, the second arc groove and the second wire port, which not only makes the rotation of the cover body more stable, but also the rotation of the cover body does not affect the connectivity between the first arc groove and the second arc groove, so that the routing of the power cable and the data cable is more stable, and the U-shaped arrangement of the groove wall and the opening arrangement not only facilitates the wiring operation of the cables, but also improves the structural strength of the support arm, and the main control circuit board is configured on the cover body, and the thermal sensitive sheet is also installed on the cover body, and the main control circuit board is close to the thermal sensitive sheet, thereby reducing the control wiring distance between the thermal sensitive sheet and the main control circuit board, and the reduction in line length means reducing the voltage drop, improving the transmission stability of the printing data, and then improving the imaging stability, and the main control circuit board is close to and located at the second wire port, thereby facilitating the connection of the power cable and the data cable to the main control circuit board.

Claims

1. A thermal printer with a cover body and a base body and wiring, comprising a base, a cover body, a rubber roller, a thermal sheet and a main control circuit board, wherein the cover body is located above the base, the cover body is hinged to the base, the rubber roller is arranged on the base, the thermal sheet is arranged on the cover body, a paper outlet is formed between the base and the cover body, the thermal sheet and the rubber roller are close to the paper outlet and face each other to form a paper feeding channel, and the paper feeding channel is connected to the paper outlet; Features: The base comprises a lower inner seat and an outer bottom shell, the rubber roller is arranged on the upper surface of the lower inner seat, the upper surface of the lower inner seat is extended downwardly to be provided with two protective walls, the two protective walls are located on both sides of the paper feeding channel based on the paper width direction, a first hinge point is arranged in the protective wall, a first arc-shaped groove is arranged in the protective wall at the outer periphery of the first hinge point, a first line port is arranged at the lower end of the first arc-shaped groove, an access module is arranged at the lower end of the protective wall, the access module is provided with a power interface and a data interface, the outer bottom shell is sleeved outside the lower inner seat and the protective wall, an interface window is arranged through the outer bottom shell, and the power interface and the data interface are located at the interface window; The cover body comprises an upper inner seat and an outer cover shell, the thermal sheet is arranged on the lower surface of the upper inner seat, the lower surface of the upper inner seat is extended downwardly and provided with two support arms, the two support arms are located on both sides of the paper width direction, the support arms are provided with a second hinge point, the support arms are provided with a second arc groove on the outer periphery of the second hinge point, the upper end of the second arc groove is provided with a second wire opening, the main control circuit board is arranged in the upper inner seat, the outer cover shell is sleeved outside the upper inner seat and the main control circuit board, and the thermal sheet is connected to the main circuit board through a control cable; The first hinge point is hinged to the second hinge point, the support arm is rotatably disposed in the first arc-shaped groove, the first wire port, the first arc-shaped groove, the second arc-shaped groove and the second wire port are connected, the power interface is connected to the main control circuit board through a power cable, the data interface is connected to the main control circuit board through a data cable, and the power cable and the data cable pass through the first wire port, the first arc-shaped groove, the second arc-shaped groove and the second wire port.

2. The thermal printer according to claim 1, characterized in that: The cross section of the groove wall of the second arc-shaped groove is U-shaped, and the second arc-shaped groove has an opening toward the outside of the paper width direction.

3. The thermal printer according to claim 2, characterized in that: The first hinge point is arranged as a hinge hole, and the second hinge point is arranged as a hinge column, and the hinge column is hinged to the hinge hole.

4. The thermal printer according to claim 1, characterized in that: The main control circuit board is close to the second wire port and is located above the second wire port.

5. The thermal printer according to any one of claims 1 to 4, characterized in that: The access module includes a circuit board, which is fixedly mounted on the lower end of the protective wall, and the power interface and the data interface are welded on the circuit board.

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