Thermal printing head with simple structure

Abstract

The utility model relates to the field of thermal printing heads, and discloses a thermal printing head with a simple structure, which comprises a main body plate, the lower end face of the main body plate is in threaded connection with a heating element, the rear end face of the heating element is fixedly provided with a flexible circuit board, and two sides of the main body plate are sleeved with side plates in a threaded manner. Supporting modules are arranged on the other sides of the two side plates in a clamped mode, rotating shafts are rotationally arranged on the other sides of the two side plates, rotating gears are fixedly arranged on one sides of the rotating shafts, second containing grooves are formed in one sides of the two side plates, and two threaded enclosures are fixedly arranged on the inner bottom surfaces of the two second containing grooves; the supporting module comprises a supporting box. According to the utility model, the heating element is fixed at the lower end of the main body plate through the threads, the heating element can be conveniently disassembled and replaced when being damaged during long-time use, and the flexible circuit board at the rear end of the heating element can be connected with the printing main body to enable the heating element to work normally.

Description

Technical Field

[0001] The utility model relates to the field of thermal print heads, in particular to a thermal print head with a simple structure. Background Art

[0002] The thermal print head is a core component of non-impact printing technology, which produces images or text by heating the thermal element on the print head. During the thermal printing process, the heating element on the print head heats up rapidly under electronic control, which produces a chemical reaction on the thermal paper, causing the paper to change color and form visible patterns or text.

[0003] The existing thermal print head is usually fixed by welding when in use. It has many small internal parts and a complex structure. The internal parts of the thermal print head will be damaged after long-term use. When repairing, the thermal print head is usually replaced directly, but the internal parts that can be used normally are also abandoned, resulting in a waste of resources. At the same time, the existing thermal print head usually contacts the printing paper and the heating element through an extrusion plate when printing. If the position of the extrusion plate is not adjusted properly, it is easy to cause the extruded paper to be blocked.

[0004] Therefore, the utility model provides a thermal print head with a simple structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a thermal print head with a simple structure is proposed. The damping block inside the support box can be connected to the spring, and the upper end of the spring is connected to the movable groove. When in use, the spring can lift the movable groove so that the movable groove can be moved. The card block and the card interface fixed by the support module facilitate the card connection and fixation of the side plate and the support module when in use, so that the support module can remain stable on one side of the side plate when in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thermal print head with a simple structure, comprising a main body plate, a heating element is threadedly connected to the lower end surface of the main body plate, a flexible circuit board is fixedly arranged on the rear end surface of the heating element, side plates are threadedly sleeved on both sides of the main body plate, a support module is clamped on the other side of the two side plates, and a rotating shaft is rotatably arranged on the other side of the two side plates;

[0007] A rotating gear is fixedly provided on one side of the rotating shaft, a second placement groove is opened on one side of the two side plates, and two threads are fixedly provided on the bottom surfaces of the two second placement grooves. The support module includes a support box, and slide grooves are fixedly provided on the inner walls of both sides of the support box, and a moving groove is slidably provided on the upper end surface of the support box;

[0008] Through the above technical scheme, the heating element is fixed by threads at the lower end of the main body plate. When used for a long time, the heating element can be easily disassembled if it is damaged and replaced. The flexible circuit board at the rear end of the heating element can be connected to the printing body so that the heating element can work normally. The side panels on both sides of the main body plate are connected by threads, so that the side panels are easy to disassemble. One side of the side panel is fixed by clamping with the support module. When in use, the support module can be easily disassembled after the side panel is removed. The support module includes a support box, and the upper end of the support box is provided with a movable groove for sliding. The inner walls on both sides of the support box are fixed with sliding grooves. When in use, the sliding grooves can keep the movable grooves stable when sliding. The movable grooves can connect the printed paper and the heating element, which is convenient for printing. The side panel is connected to the rotating shaft. The rotating gear fixed on one side of the rotating shaft is connected to the printing body when in use to rotate the rotating shaft, so that the rotating shaft can make the printed paper leave the print head when it rotates. A second placement groove is opened on one side of the side panel. The threaded enclosure on the bottom surface of the second placement groove can fix the thermal print head when the connection port at the upper end of the connection box cannot be fixed.

[0009] Furthermore, a connection box is fixedly arranged on the upper end surface of the main body plate, and two connection ports are provided on the upper end surface of the connection box;

[0010] Through the above technical solution, the connection box on the upper end of the main body plate can be connected to the printing body through the connection port opened on the upper end when in use, so that the thermal print head can be connected to the printing body.

[0011] Furthermore, first placement grooves are provided on both sides of the upper end surface of the main body plate, and two first fixing screws are threadedly sleeved on the bottom surfaces of the two first placement grooves;

[0012] Through the above technical solution, the first placement groove opened on the upper surface of the main body plate can be conveniently connected to the first fixing screw when in use, and the lower end of the first fixing screw is connected to the heating element, so that the heating element and the main body plate can be connected.

[0013] Furthermore, rotating columns are rotatably provided on the inner walls of both sides of the movable groove, and sliding blocks are fixedly provided on both sides of the movable groove;

[0014] Through the above technical solution, the rotating column arranged inside the movable groove can make the printing paper entering the thermal print head contact with the heating element when in use, and the sliding block fixed to the movable groove can be connected to the sliding groove when in use, so that the movable groove can be more stable when moving up and down.

[0015] Furthermore, a damping block is fixedly arranged on the inner bottom surface of the support box, and three springs are fixedly arranged on the upper end surface of the damping block;

[0016] Through the above technical solution, the damping block inside the support box can be connected to the spring, and the upper end of the spring is connected to the movable groove. When in use, the spring can lift the movable groove so that the movable groove can move.

[0017] Furthermore, two card connection blocks are fixedly provided on one side of the support module, and card interfaces are provided on both sides of the support module;

[0018] Through the above technical solution, the card block and the card interface for fixing the support module facilitate the card connection and fixation of the side panel and the support module when in use, so that the support module can remain stable on one side of the side panel when in use.

[0019] Furthermore, one side of the two side panels is threadedly sleeved with a second fixing screw;

[0020] Through the above technical solution, the second fixing screw fixed on one side of the side panel can enable the side panel and the main body panel to be threadedly connected when in use, so that the side panel and the main body can be easily replaced.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model proposes a thermal print head with a simple structure. When in use, the main plate fixes the heating element by threads, so that the heating element can be easily replaced. The side plates on both sides of the main plate are connected by threads, so that the side plates can be easily disassembled. One side of the side plate is fixed to the support module by snap connection. When in use, the support module can be easily disassembled after the side plate is disassembled, so that the entire thermal print head can be easily disassembled and assembled. When parts of the thermal print head are damaged, the damaged equipment can be replaced.

[0023] 2. The utility model proposes a thermal print head with a simple structure. When in use, the support module includes a support box. The upper end of the support box is slided with a movable groove. The inner walls on both sides of the support box are fixed with sliding grooves. When in use, the sliding grooves can keep the movable grooves stable when sliding. The movable grooves can connect the printed paper and the heating element to facilitate printing. The side panels are connected to the rotating shaft. The rotating gear fixed on one side of the rotating shaft is connected to the printing body when in use to rotate the rotating shaft. The rotating shaft and the heating element cooperate to transfer the printed paper out of the interior of the thermal print head when the rotating shaft rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main visual axis side of the utility model;

[0025] Figure 2 It is a rear-view axle side schematic diagram of the utility model;

[0026] Figure 3 It is an axial schematic diagram of the supporting module part structure of the utility model;

[0027] Figure 4 It is a front cross-sectional schematic diagram of the supporting module part structure of the utility model.

[0028] Legend:

[0029] 1. Main body plate; 2. Side plate; 3. Heating element; 4. Rotating shaft; 5. Rotating gear; 6. Support module; 7. Flexible circuit board; 8. First fixing screw; 9. First placement slot; 10. Threaded enclosure; 11. Second placement slot; 12. Second fixing screw; 13. Connection box; 14. Connection port; 15. Card block; 16. Card interface; 601. Support box; 602. Slide slot; 603. Spring; 604. Damping block; 605. Slider; 606. Moving slot; 607. Rotating column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-4 The utility model provides an embodiment: a thermal print head with a simple structure, including a main body plate 1, a heating element 3 is threadedly connected to the lower end surface of the main body plate 1, a flexible circuit board 7 is fixedly arranged on the rear end surface of the heating element 3, side plates 2 are threadedly sleeved on both sides of the main body plate 1, support modules 6 are clamped on the other sides of the two side plates 2, and rotating shafts 4 are rotatably arranged on the other sides of the two side plates 2;

[0032] A rotating gear 5 is fixedly provided on one side of the rotating shaft 4, and a second placement groove 11 is opened on one side of the two side panels 2. Two threaded enclosures 10 are fixedly provided on the inner bottom surfaces of the two second placement grooves 11. The support module 6 includes a support box 601. Slide grooves 602 are fixedly provided on the inner walls on both sides of the support box 601. A movable groove 606 is slidably provided on the upper end surface of the support box 601.

[0033] When in use, the main body plate 1 and the heating element 3 are fixed by threads. When in use, a second placement groove 11 is opened on one side of the side plate 2. The threaded enclosure 10 on the bottom surface of the second placement groove 11 can fix the thermal print head and the printing body when the connection port 14 at the upper end of the connection box 13 cannot be fixed. When used for a long time, the heating element 3 can be disassembled when it is damaged and the heating element 3 can be replaced. The flexible circuit board 7 at the rear end of the heating element 3 can be connected to the printing body so that the heating element 3 can work normally. The side plates 2 on both sides of the main body plate 1 are connected by threads, so that the side plates 2 are easy to disassemble. One side of the side plate 2 and The support module 6 is fixed by snapping, and it is convenient to disassemble the support module 6 when removing the side panel 2. The support module 6 includes a support box 601, and a movable groove 606 is slidingly provided on the upper end of the support box 601. Slide grooves 602 are fixedly provided on the inner walls on both sides of the support box 601. The slide grooves 602 can keep the movable grooves 606 stable when sliding. The movable grooves 606 can connect the printed paper and the heating element 3 to enable printing. The side panel 2 is connected to the rotating shaft 4. The rotating gear 5 fixed on one side of the rotating shaft 4 is connected to the printing main body plate 1 when in use, so that the rotating shaft 4 can rotate, so that the rotating shaft 4 can drive the printed paper to move.

[0034] Reference Figure 2 A connection box 13 is fixedly provided on the upper end surface of the main body plate 1, and two connection ports 14 are provided on the upper end surface of the connection box 13. First placement grooves 9 are provided on both sides of the upper end surface of the main body plate 1, and two first fixing screws 8 are threadedly sleeved on the bottom surfaces of the two first placement grooves 9. Two clamping blocks 15 are fixedly provided on one side of the support module 6, and card interfaces 16 are provided on both sides of the support module 6. Second fixing screws 12 are threadedly sleeved on one side of the two side panels 2.

[0035] When in use, the connection box 13 on the upper end surface of the main plate 1 is connected to the printing body through the connection port 14 opened at the upper end, so that the thermal print head can be connected to the printing body, the first placement groove 9 opened on the upper end surface of the main plate 1 is connected to the first fixing screw 8, and the lower end of the first fixing screw 8 is connected to the heating element 3, so that the heating element 3 and the main plate 1 can be connected, the clamping block 15 and the clamping interface 16 fixed by the support module 6 enable the side plate 2 and the support module 6 to be clamped and fixed, so that the support module 6 can be disassembled when the side plate 2 is disassembled, and the second fixing screw 12 fixed on one side of the side plate 2 enables the side plate 2 and the main plate 1 to be threadedly connected, so that the side plate 2 and the main plate 1 can be easily replaced when they are damaged.

[0036] Rotating columns 607 are rotatably provided on the inner walls of both sides of the movable groove 606 , sliding blocks 605 are fixedly provided on both sides of the movable groove 606 , a damping block 604 is fixedly provided on the inner bottom surface of the support box 601 , and three springs 603 are fixedly provided on the upper end surface of the damping block 604 .

[0037] The rotating column 607 arranged inside the movable groove 606 can make the printing paper entering the thermal print head contact with the heating element 3. The slider 605 fixed to the movable groove 606 can be connected to the slide groove 602 when in use, so that the movable groove 606 can be more stable when moving up and down. When in use, the damping block 604 inside the support box 601 can be connected to the spring 603, and the upper end of the spring 603 is connected to the movable groove 606. The spring 603 can lift the movable groove 606 so that the movable groove 606 can move.

[0038] Working principle: A second placement groove 11 is opened on one side of the side panel 2, and the threaded enclosure 10 on the inner bottom surface of the second placement groove 11 can fix the thermal print head and the printing body when the connection port 14 at the upper end of the connection box 13 cannot be fixed. The first placement groove 9 opened on the upper end surface of the main body plate 1 is connected to the first fixing screw 8, and the lower end of the first fixing screw 8 is connected to the heating element 3, so that the heating element 3 and the main body plate 1 can be connected. When used for a long time, the heating element 3 can be disassembled when it is damaged, and the heating element 3 can be replaced.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermal print head with a simple structure, comprising a main body plate (1), characterized in that: The lower end surface of the main body plate (1) is threadedly connected with a heating element (3), the rear end surface of the heating element (3) is fixedly provided with a flexible circuit board (7), the two sides of the main body plate (1) are threadedly sleeved with side plates (2), the other sides of the two side plates (2) are both clamped with support modules (6), and the other sides of the two side plates (2) are both rotatably provided with a rotating shaft (4); A rotating gear (5) is fixedly arranged on one side of the rotating shaft (4); a second placement groove (11) is opened on one side of the two side panels (2); two threaded enclosures (10) are fixedly arranged on the inner bottom surfaces of the two second placement grooves (11); the supporting module (6) includes a supporting box (601); sliding grooves (602) are fixedly arranged on the inner walls of both sides of the supporting box (601); and a movable groove (606) is slidably arranged on the upper end surface of the supporting box (601).

2. A thermal print head with a simple structure according to claim 1, characterized in that: A connection box (13) is fixedly arranged on the upper end surface of the main body plate (1), and two connection ports (14) are provided on the upper end surface of the connection box (13).

3. A thermal print head with a simple structure according to claim 1, characterized in that: First placement grooves (9) are provided on both sides of the upper end surface of the main body plate (1), and two first fixing screws (8) are threadedly sleeved on the inner bottom surfaces of the two first placement grooves (9).

4. A thermal print head with a simple structure according to claim 1, characterized in that: Rotating columns (607) are rotatably arranged on the inner walls of both sides of the movable groove (606), and sliding blocks (605) are fixedly arranged on both sides of the movable groove (606).

5. A thermal print head with a simple structure according to claim 1, characterized in that: A damping block (604) is fixedly arranged on the inner bottom surface of the support box (601), and three springs (603) are fixedly arranged on the upper end surface of the damping block (604).

6. A thermal print head with a simple structure according to claim 1, characterized in that: Two card connection blocks (15) are fixedly arranged on one side of the support module (6), and card interfaces (16) are provided on both sides of the support module (6).

7. A thermal print head with a simple structure according to claim 1, characterized in that: A second fixing screw (12) is threadedly sleeved on one side of the two side plates (2).

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