CN215153144U

CN215153144U - Printing assembly easy to assemble and disassemble and stable

Info

Publication number: CN215153144U
Application number: CN202120279790.7U
Authority: CN
Inventors: 许开河; 陈方宾
Original assignee: Rongda Hezhong Xiamen Technology Group Co ltd
Current assignee: Rongda Hezhong Xiamen Technology Group Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-14
Anticipated expiration: 2031-02-01

Abstract

The utility model provides an easily assembled and disassembled and stable printing assembly, which comprises an upper shell assembly, a lower shell assembly and a thermosensitive assembly which are arranged oppositely, wherein a paper feeding channel is formed between the upper shell assembly and the lower shell assembly, the upper shell assembly comprises an upper bracket, the thermosensitive assembly is arranged on the upper bracket, the thermosensitive assembly comprises a spring fixing plate which is detachably connected with the upper bracket, clamping grooves are arranged on two sides of a long edge or two sides of a short edge or at least three sides of the spring fixing plate, and the upper bracket is provided with buckles which are consistent with the clamping grooves in quantity and are matched with the clamping grooves; the utility model discloses a printing module sets up the draw-in groove through three sides at spring fixed plate, and the upper bracket corresponds sets up the buckle, can realize spring fixed plate's quick installation through the draw-in groove buckle, need not the screw promptly and lock and pay just can reach the assembly effect, has improved assembly efficiency.

Description

Printing assembly easy to assemble and disassemble and stable

Technical Field

The utility model relates to a technical field of printer accessory, especially an easy dismouting and stable printing unit spare.

Background

Generally, the printing assembly includes a thermal sensitive assembly and a rubber roller, the thermal sensitive assembly is used for printing the printing paper, and the rubber roller rotates to drive the printing paper to move, however, the printing assembly of the conventional printer has the following disadvantages:

firstly, the spring fixing plate of the traditional thermosensitive assembly needs to be additionally locked by screws so as to achieve the assembly effect, the assembly process is complicated, and the working hours are wasted;

secondly, the rubber rollers of the traditional thermal printer are fixed by the motor support and the lower cover at the same time, and the motor support is locked by the screws, so that the fixed heights of the rubber rollers are easily different, the balance of the rubber rollers is poor, and the problem of uneven left and right printing is caused.

In view of the above, the present inventors have specifically designed a printing assembly that is easily assembled and disassembled and is stable, and have resulted in this disclosure.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides an easy dismouting and stable printing assembly, includes relative epitheca subassembly and inferior valve subassembly, the temperature sensing subassembly that sets up, form the paper feed passageway between epitheca subassembly and the inferior valve subassembly, the epitheca subassembly includes the upper bracket, the temperature sensing subassembly sets up on the upper bracket, the temperature sensing subassembly includes can dismantle the spring fixation board of being connected with the upper bracket, spring fixation board's long limit both sides or minor face both sides or at least three sides set up the draw-in groove, the upper bracket sets up and draw-in groove quantity unanimity and complex buckle.

Furthermore, the thermosensitive assembly further comprises a thermosensitive head piece arranged on the upper support and a spring arranged between the thermosensitive head piece and the spring fixing plate, a groove used for limiting the spring is formed in the spring fixing plate, one end of the spring is arranged in the groove, and the other end of the spring is abutted to the thermosensitive head piece.

Furthermore, the spring fixing plate is provided with a clamping groove on one side of the long edge close to the paper outlet of the paper feeding channel and on two sides of the short edge of the spring fixing plate.

Furthermore, the spring fixing plate is not provided with a positioning hole at one side of the clamping groove, and the upper support is provided with a positioning step matched with the positioning hole.

Furthermore, the side, close to the spring fixing plate, of the thermal head sheet, where no clamping groove is formed, is provided with a limiting step, and the spring fixing plate and the upper bracket are respectively provided with a first limiting column and a second limiting column which are abutted against the upper end face and the lower end face of the limiting step.

Further, the lower shell assembly comprises a lower shell and a lower support, the printing assembly further comprises a rubber roller, and a central shaft of the rubber roller is arranged between the lower shell and the lower support.

Furthermore, two ends of a central shaft of the rubber roller are arranged between the lower shell and the lower support through shaft sleeves.

Further, a support step for supporting the shaft sleeve is arranged on the lower shell.

Furthermore, a first arc-shaped groove used for limiting the shaft sleeve is formed in the supporting step, a second arc-shaped groove is formed in the position, opposite to the first arc-shaped groove, of the lower support, and the shaft sleeve is arranged between the first arc-shaped groove and the second arc-shaped groove.

Furthermore, the number of the clamping grooves on the side, close to the paper outlet, of the paper feeding channel, of the spring fixing plate is determined according to the size of the printer.

Furthermore, at least one clamping groove is arranged on one side, close to the paper outlet, of the paper feeding channel, of the spring fixing plate.

The utility model discloses a printing module sets up the draw-in groove through three sides at spring fixed plate, and the upper bracket corresponds sets up the buckle, can realize spring fixed plate's quick installation through the draw-in groove buckle, need not the screw promptly and lock and pay just can reach the assembly effect, has improved assembly efficiency.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

fig. 1 is a schematic structural view of a printing assembly of the present invention;

fig. 2 is a partial schematic view of the upper housing assembly of the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the upper bracket of the present invention;

fig. 5 is a schematic structural view of the spring fixing plate of the present invention;

fig. 6 is a schematic structural view of the lower housing of the present invention;

fig. 7 is a schematic structural view of the lower bracket of the present invention;

fig. 8 is a schematic structural diagram of the rubber roller of the present invention.

Description of reference numerals:

10. an upper housing assembly; 11. an upper bracket; 111. buckling; 112. positioning a step; 113. a second limit post; 20. a lower housing assembly; 21. a lower bracket; 211. a second arc-shaped slot; 22. a lower housing; 221. supporting a step; 2211. a first arc-shaped slot; 30. a heat sensitive component; 31. a spring fixing plate; 311. a card slot; 312. positioning holes; 313. a first limit post; 314. a groove; 32. a thermal head sheet; 321. a limiting step; 40. a rubber roller; 41. a central shaft; 42. and a shaft sleeve.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 8, an easily assembled and disassembled and stable printing assembly according to a preferred embodiment of the present invention includes an upper casing assembly 10, a lower casing assembly 20 and a thermal sensitive assembly 30 which are oppositely disposed, a paper feeding channel is formed between the upper casing assembly 10 and the lower casing assembly 20, the upper casing assembly 10 includes an upper bracket 11, the thermal sensitive assembly 30 is disposed on the upper bracket 11, the thermal sensitive assembly 30 includes a spring fixing plate 31 detachably connected to the upper bracket 11, two sides of a long side or two sides of a short side or at least three sides of the spring fixing plate 31 are provided with slots 311, and the upper bracket 11 is provided with buckles 111 which are consistent with the slots 311 in number and are matched with each other. The utility model discloses a printing assembly has improved traditional first leaf spring fixed knot and has paid through the screw lock and reach the assembly effect, has solved that the assembly process is loaded down with trivial details, has overcome unnecessary man-hour and the waste of material, and is concrete, through 31 configuration optimization to first leaf spring fixed plate, directly designs draw-in groove 311 structure on spring fixed plate 31 to the realization need not the screw lock and pays just can reach the assembly effect.

The utility model discloses preferred mode of setting of draw-in groove 311 does: clamping grooves 311 are formed in one side of the long side of the spring fixing plate 31 close to the paper outlet of the paper feeding channel and two sides of the short side of the spring fixing plate 31; the spring fixing plate 31 is not provided with the positioning hole 312 at one side of the clamping groove 311, the upper bracket 11 is provided with the positioning step 112 matched with the positioning hole 312, and the fastest positioning and installation are realized by matching the clamping grooves 311 at the other three sides of the spring fixing plate 31.

The thermal sensitive assembly 30 further comprises a thermal sensitive head sheet 32 arranged on the upper support 11, and a spring arranged between the thermal sensitive head sheet 32 and the spring fixing plate 31, wherein a groove 314 used for limiting the spring is arranged on the spring fixing plate 31, one end of the spring is arranged in the groove 314, the other end of the spring is abutted to the thermal sensitive head sheet 32, the spring is better limited between the spring fixing plate 31 and the thermal sensitive head sheet 32, and the printing stability is further improved. The side of the thermal head sheet 32, which is close to the spring fixing plate 31 and is not provided with the clamping groove 311, is provided with the limiting step 321, the spring fixing plate 31 and the upper bracket 11 are respectively provided with the first limiting column 313 and the second limiting column 113 which are abutted against the upper end surface and the lower end surface of the limiting step 321, and because one side of the thermal head sheet 32 is fixed and the other side needs to be reset by using the spring, one side of the thermal head sheet 32 can be better limited by using the first limiting column 313 and the second limiting column 113,

The lower shell assembly 20 comprises a lower shell 22 and a lower support 21, the printing assembly further comprises a rubber roller 40, a central shaft 41 of the rubber roller 40 is arranged between the lower shell 22 and the lower support 21, and specifically, two ends of the central shaft 41 of the rubber roller 40 are arranged between the lower shell 22 and the lower support 21 through a shaft sleeve 42; the lower housing 22 is provided with a supporting step 221 for supporting the shaft sleeve 42, the supporting step 221 is provided with a first arc-shaped groove 2211 for limiting the shaft sleeve 42, the lower bracket 21 is provided with a second arc-shaped groove 211 opposite to the first arc-shaped groove 2211, and the shaft sleeve 42 is arranged between the first arc-shaped groove 2211 and the second arc-shaped groove 211. Meanwhile, the supporting steps 221 are arranged on the two sides of the lower shell 22 and fixed by the lower support 21, so that the assembly error is reduced, the problem of the left and right assembly error of the rubber roller 40 is solved, and the left and right balance structure of the rubber roller 40 is better.

The utility model discloses printing unit's spring fixed plate 31 is close to the size decision of printer of draw-in groove 311 quantity on one side of the exit slot of paper feed passageway, and is concrete, and the draw-in groove 311 quantity on one side of the exit slot that spring fixed plate 31 is close to the paper feed passageway sets up one at least, and the draw-in groove 311 of this side of preferred spring fixed plate 31 sets up two.

To sum up, the utility model discloses a print module sets up the draw-in groove through three sides at spring fixed plate, and the upper bracket corresponds sets up the buckle, can realize spring fixed plate's quick installation through the draw-in groove buckle, need not the screw promptly and lock and pay just can reach the assembly effect, has improved assembly efficiency.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. The utility model provides an easy dismouting and stable printing assembly, includes relative epitheca subassembly and inferior valve subassembly, temperature sensing subassembly that sets up, form the paper feed passageway between epitheca subassembly and the inferior valve subassembly, its characterized in that, the epitheca subassembly includes the upper bracket, temperature sensing subassembly sets up on the upper bracket, temperature sensing subassembly includes the spring fixed plate of being connected with the upper bracket is dismantled, spring fixed plate's long limit both sides or minor face both sides or at least three sides set up the draw-in groove, the upper bracket sets up and draw-in groove quantity unanimity and complex buckle.

2. The easy-to-mount and stable printing assembly according to claim 1, wherein the thermal assembly further comprises a thermal head plate disposed on the upper bracket, and a spring disposed between the thermal head plate and the spring fixing plate, the spring fixing plate is provided with a groove for limiting the spring, one end of the spring is disposed in the groove, and the other end of the spring abuts against the thermal head plate.

3. The easy-to-mount and stable printing assembly according to claim 2, wherein the spring fixing plate is provided with a slot on one side of the long side close to the paper outlet of the paper feeding channel and on both sides of the short side of the spring fixing plate.

4. The readily removable and stable printing assembly as recited in claim 3, wherein said spring retaining plate is not provided with a positioning hole on the side of said slot, and said upper bracket is provided with a positioning step for engaging with said positioning hole.

5. The readily removable and stable printing assembly according to claim 4, wherein the thermal head plate is provided with a position-limiting step on a side thereof adjacent to the spring fixing plate without the slot, and the spring fixing plate and the upper bracket are respectively provided with a first position-limiting post and a second position-limiting post abutting against upper and lower end surfaces of the position-limiting step.

6. The easy-to-mount and stable printing assembly according to claim 1, wherein the lower casing assembly comprises a lower casing and a lower bracket, the printing assembly further comprises a rubber roller, and a central shaft of the rubber roller is arranged between the lower casing and the lower bracket; wherein two ends of the central shaft of the rubber roller are arranged between the lower shell and the lower bracket through shaft sleeves.

7. The readily removable and stable printing assembly of claim 6, wherein said lower housing has a support step for supporting the sleeve.

8. The easy-to-mount and stable printing assembly according to claim 7, wherein the supporting step is provided with a first arc-shaped groove for limiting the shaft sleeve, the lower bracket is provided with a second arc-shaped groove opposite to the first arc-shaped groove, and the shaft sleeve is arranged between the first arc-shaped groove and the second arc-shaped groove.

9. The readily removable and stable printing assembly of any one of claims 1 to 8, wherein the number of slots on the side of the spring-retaining plate near the paper exit of the paper path is determined by the size of the printer.

10. The readily removable and stable printing assembly according to any one of claims 1-8, wherein at least one slot is disposed on the spring retaining plate near the paper exit side of the paper path.