CN217347246U - Cover opening mechanism of thermal printer - Google Patents
Cover opening mechanism of thermal printer Download PDFInfo
- Publication number
- CN217347246U CN217347246U CN202123062274.8U CN202123062274U CN217347246U CN 217347246 U CN217347246 U CN 217347246U CN 202123062274 U CN202123062274 U CN 202123062274U CN 217347246 U CN217347246 U CN 217347246U
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- China
- Prior art keywords
- cover opening
- pull rod
- thermal printer
- connecting rod
- elastic
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Abstract
The utility model relates to a thermal printer technical field, concretely relates to thermal printer's mechanism of uncapping, the utility model discloses a mechanism of uncapping with elasticity screens spare fixed mounting on the print head, be provided with screens portion and switch board on the elasticity screens spare, core fixed mounting is in the center under the assembled state, screens portion joint is fixed on the connecting rod of core, guarantee the quality stability of printer, when need uncap, press the pull rod of uncapping, the pull rod crimping of uncapping orders about the switch board and removes or rotates, and then drive the relative elasticity screens piece of screens portion and the fixed mounting point who beats printer head and rotate, screens portion pops out from the connecting rod, realize beating printer head and uncap, moreover, the steam generator is simple in structure, the convenient assembly, guarantee thermal printer's assembly and use quality.
Description
Technical Field
The utility model relates to a thermal printer technical field, concretely relates to thermal printer's mechanism of uncapping.
Background
In traditional thermal bill printer, the pull rod that uncaps is connected with the five metals pressure spring, and such structure exists that assembly process is loaded down with trivial details to the easy problem that neglected loading appears or adorn the pressure spring less leads to the product quality bad.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a cover opening mechanism of a thermal printer to the structure of original five metals pressure spring is replaced to the elasticity screens piece, simplifies structural design, and the quality of product is guaranteed in convenient assembly.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows: a cover opening mechanism of a thermal printer, comprising:
the connecting rod is fixedly arranged on the machine core;
the elastic clamping piece is fixedly arranged on the printing head, a switch plate and a clamping part are arranged on the elastic clamping piece, and the clamping part is detachably connected with the connecting rod;
the cover opening pull rod is slidably mounted in the cover opening groove of the middle frame, the cover opening pull rod is provided with a protruding block which is abutted to the switch board, the cover opening pull rod drives the clamping portion to rotate through the protruding block and the switch board, and the clamping portion is separated from the connecting rod.
Furthermore, the two sides of the uncovering pull rod are respectively provided with a clamping hook, the uncovering groove is provided with a limiting groove and a hook groove matched with the clamping hook, and the uncovering pull rod can slide in the limiting groove in a reciprocating manner.
Furthermore, the switch board and the clamping part are integrally formed and made of elastic metal alloy materials.
Furthermore, the clamping part is hook-shaped and extends out from one end of the elastic clamping piece, and the switch plate is arranged at one end, far away from the elastic clamping piece, of the clamping part.
Further, the switch plate extends horizontally from one end of the positioning portion and is bent toward a side close to the lid opening pull rod.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a mechanism of uncapping with elasticity screens piece fixed mounting on the print head, be provided with screens portion and switch board on the elasticity screens piece, core fixed mounting is in the center under the assembled state, screens portion joint is fixed on the connecting rod of core, guarantee the quality stability of printer, when need uncapping, press the pull rod of uncapping, the pull rod crimping of uncapping orders about the switch board and removes or rotates, and then drive the relative elasticity screens piece of screens portion and the fixed mounting point who beats the printer head and rotate, screens portion pops out from the connecting rod, the realization is beaten printer head and is uncapped, moreover, the steam generator is simple in structure, the convenient assembly, guarantee the assembly of thermal printer and use the quality.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an assembly of a middle frame and a lid opening pull rod according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the printhead and the cover opening lever according to the embodiment of the present invention mounted on the middle frame;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is a schematic structural diagram of a movement portion according to an embodiment of the present invention.
The reference numbers illustrate: a movement 100; a connecting rod 101; a print head 200; an elastic clamping piece 201; a card position part 202; a switch board 203; a middle frame 300; a lid opening lever 301; an uncap slot 302; a clamping hook 303; and a bump 304.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. 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 4, a cover opening mechanism of a thermal printer includes a connecting rod 101, an elastic clamping member 201 and a cover opening pull rod 301, wherein the connecting rod 101 is disposed on a movement 100 and is fixedly mounted in a center frame 300 along with the movement 100, the elastic clamping member 201 is fixedly mounted on a print head 200, the elastic clamping member 201 is provided with a switch board 203 and a clamping portion 202, when the print head 200 is mounted in the center frame 300, the clamping portion 202 can be pressed and connected to cross the connecting rod 101 and connected to the connecting rod 101 in a clamping manner, so as to ensure that the print head 200 is fixedly mounted on the center frame 300, the cover opening pull rod 301 can be slidably mounted in a cover opening slot 302 of the center frame 300, the cover opening pull rod 301 is further provided with a bump 304 abutting against the switch board 203, when the cover opening is required, a human hand presses the cover opening pull rod 301 to drive the cover opening pull rod 301 to slide along the cover opening 302, the bump slot 304 moves along with the cover opening pull rod 301 and presses and connects the switch board 203, the screens portion 202 rotates along with the relative elasticity screens 201 of switch board 203 and the fixed connection point who beats printer head 200, continue to press uncapping pull rod 301 to screens portion 202 and deviate from connecting rod 101 department, have elastic deformation between switch board 203/screens portion 202 and the elasticity screens 201 this moment, beat printer head 200 and pop out from the frame 300 under the effect of this elastic deformation restoring force, realize the operation of uncapping, moreover, the steam generator is simple in structure, and assembly and uncapping are all convenient.
In some embodiments, referring to fig. 1, two sides of the lid opening pull rod 301 are respectively provided with a clamping hook 303, the lid opening groove 302 is provided with a limiting groove and a hook groove matched with the clamping hook 303, the lid opening pull rod 301 can slide in the limiting groove in a reciprocating manner, when the lid opening pull rod is installed, the clamping hook 303 slides inwards to the limiting groove and crosses the hook groove, so that the lid opening pull rod 301 is limited to move back and forth in the limiting groove along with the clamping hook 303, and the lid opening pull rod 301 is prevented from being separated from the middle frame 300.
In some embodiments, the switch board 203 and the position-locking portion 202 are integrally formed and made of an elastic metal alloy material, and when the cover-opening pull rod 301 is pressed, the position-locking portion 202 can be driven to elastically deform relative to the elastic position-locking member 201, so as to ensure that the position-locking portion 202 can be separated from the connecting rod 101, and after separation, the position-locking portion 202 and the switch board 203 act on the print head 200 due to the elastic restoring force of the material itself, so that the print head 200 bounces relative to the middle frame 300, and the cover opening is achieved.
In some embodiments, referring to fig. 3, the latching portion 202 is hook-shaped and can be hooked on the connecting rod 101, the latching portion 202 extends from one end of the elastic latching member 201, and the switch board 203 is disposed at one end of the latching portion 202 away from the elastic latching member 201, specifically, the switch board 203 and the latching portion 202 rotate in the same direction, that is, when the cover opening lever 301 drives the switch board 203 to rotate or move toward the middle frame 300, the latching portion 202 also rotates or moves toward the middle frame 300 to be out of the connecting rod 101.
It should be noted that, the outside of the blocking portion 202 is further provided with a guiding edge for facilitating the connecting rod 101 to slide into the inside of the blocking portion 202, and when the print head 200 is installed, the print head 200 is pressed until the blocking portion 202 abuts and goes over the connecting rod 101, so that the blocking portion 202 can be blocked into the connecting rod 101, and the print head 200 is further ensured to be fixedly installed on the middle frame 300.
In some embodiments, referring to fig. 3, the switch plate 203 extends horizontally from one end of the blocking portion 202 and is bent toward a side close to the lid opening pull rod 301, so as to ensure that the protrusion 304 can always abut against the switch plate 203, and the lid opening pull rod 301 can be limited by the switch plate 203 from sliding back and forth relative to the lid opening groove in an assembled state.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. A cover opening mechanism of a thermal printer, comprising:
the connecting rod (101) is fixedly arranged on the movement (100);
the printing head comprises an elastic clamping piece (201) fixedly arranged on a printing head (200), wherein a switch plate (203) and a clamping part (202) are arranged on the elastic clamping piece (201), and the clamping part (202) is detachably connected with the connecting rod (101);
the cover opening device comprises a cover opening pull rod (301) and a cover opening groove position (302) installed on a middle frame (300) in a sliding mode, a protruding block (304) abutted to a switch board (203) is arranged on the cover opening pull rod (301), the cover opening pull rod (301) drives the clamping portion (202) to rotate through the protruding block (304) and the switch board (203), and the clamping portion (202) is separated from the connecting rod (101).
2. The uncovering mechanism of the thermal printer according to claim 1, wherein the two sides of the uncovering pull rod (301) are respectively provided with a blocking hook (303), the uncovering slot (302) is provided with a limiting groove and a hook groove matched with the blocking hook (303), and the uncovering pull rod (301) can slide in the limiting groove in a reciprocating manner.
3. The cover opening mechanism of the thermal printer according to claim 2, wherein the switch plate (203) is integrally formed with the catch portion (202) and is made of an elastic metal alloy material.
4. The cover opening mechanism of the thermal printer according to claim 1, wherein the catch portion (202) is hook-shaped and extends from one end of the elastic catch member (201), and the switch plate (203) is disposed at one end of the catch portion (202) away from the elastic catch member (201).
5. The cover opening mechanism of the thermal printer according to claim 4, wherein the switch plate (203) extends horizontally from one end of the catch portion (202) and is bent toward a side close to the cover opening lever (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123062274.8U CN217347246U (en) | 2021-12-07 | 2021-12-07 | Cover opening mechanism of thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123062274.8U CN217347246U (en) | 2021-12-07 | 2021-12-07 | Cover opening mechanism of thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217347246U true CN217347246U (en) | 2022-09-02 |
Family
ID=83008245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123062274.8U Active CN217347246U (en) | 2021-12-07 | 2021-12-07 | Cover opening mechanism of thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217347246U (en) |
-
2021
- 2021-12-07 CN CN202123062274.8U patent/CN217347246U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |