CN214419970U - Press fit structure of thermal printer - Google Patents
Press fit structure of thermal printer Download PDFInfo
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- CN214419970U CN214419970U CN202022303151.8U CN202022303151U CN214419970U CN 214419970 U CN214419970 U CN 214419970U CN 202022303151 U CN202022303151 U CN 202022303151U CN 214419970 U CN214419970 U CN 214419970U
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- rotating shaft
- support
- power arm
- heat
- tension spring
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Abstract
The utility model provides a thermal printer's pressfitting structure, this structure includes the rocking arm, tension spring, the power arm, the heat-sensitive piece, the rubber roll, reset spring, the tip and the one end of tension spring of rocking arm are connected, tension spring's the other end is connected with the front end of power arm, the lower extreme and the reset spring of power arm are connected and are used for reseing, the rear end of power arm is connected with the cross universal joint, the heat-sensitive piece is laminated in the one end of cross universal joint, form between heat-sensitive piece and the rubber roll and print the passageway, the rocking arm passes through tension spring, the power arm, the cross universal joint is with the effort in between heat-sensitive piece and the rubber roll, impel the heat-sensitive piece towards or keep away from the rubber roll and remove. The utility model discloses can the automatically regulated equilibrium degree when the pressfitting, make pressure evenly distributed on the thermal paper surface, can reach the whole evenly distributed's of pressure purpose to guarantee the uniformity of whole printing effect.
Description
Technical Field
The utility model relates to a thermal printer technical field especially relates to a thermal printer's pressfitting structure.
Background
The thermal printer has a working principle that a semiconductor heating element is arranged on a printing head, and the printing head can print required patterns after being heated and contacting thermal printing paper, and the principle of the thermal printer is similar to that of a thermal fax machine.
At present, most of the pressing modes of the thermosensitive plates of the printers sold in the market directly apply pressure to the thermosensitive plate in a spring or elastic sheet mode to enable the thermosensitive plate to be attached to the thermosensitive printing paper and the rubber roller, and poor printing caused by nonuniform heating of the thermosensitive printing paper due to nonuniform pressure is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a can the automatically regulated equilibrium degree when the pressfitting, make pressure evenly distributed on the thermal paper surface to guarantee the pressfitting structure of the thermal printer of the uniformity of whole printing effect.
In order to achieve the main purpose, the utility model provides a pressing structure of thermal printer, it includes rocking arm, tension spring, power arm, heat-sensitive piece, rubber roll, reset spring, the tip of rocking arm with tension spring's one end is connected, tension spring's the other end with the front end of power arm is connected, the lower extreme of power arm with reset spring is connected and is used for restoring to the throne, the rear end of power arm is connected with the cross universal joint, the heat-sensitive piece laminating in the one end of cross universal joint; a printing channel is formed between the heat-sensitive sheet and the rubber roller, and the rocker arm exerts force between the heat-sensitive sheet and the rubber roller through the tension spring, the power arm and the cross universal joint to promote the heat-sensitive sheet to move towards or away from the rubber roller.
In a further scheme, the cross universal joint comprises a rotating shaft support, a first rotating shaft, a second rotating shaft and a power arm, wherein the first rotating shaft, the second rotating shaft and the rear end of the power arm are mounted on the rotating shaft support in a hinged mode through the first rotating shaft, a thermosensitive plate support is sleeved on the second rotating shaft, and the thermosensitive plate is attached to the thermosensitive plate support.
In a further aspect, the first axis of rotation and the second axis of rotation are perpendicular.
In a further scheme, when the rocker arm rotates under the action of an external force, the tension spring is pulled to stretch and deform to generate tension, the tension spring acts on the power arm, the power arm applies contact stress to the rotating shaft support, and the heat-sensitive sheet support and the heat-sensitive sheet are driven to move towards the rubber roller.
In a further scheme, when the rocker arm is free from external force, the reset spring drives the power arm to reset, so that the thermosensitive plate is separated from the rubber roller.
In a further scheme, the rotating shaft support comprises a support, the support is provided with a first connecting portion and a second connecting portion, the first rotating shaft is rotatably connected to the first connecting portion of the support through a bearing, and the second rotating shaft is rotatably connected to the second connecting portion of the support through a bearing.
Therefore, the utility model provides a structure is laminated the heat-sensitive piece on the cross universal joint, can the automatically regulated equilibrium degree when mode through the cross universal joint lets heat-sensitive piece beat printing paper, rubber roll laminating with the heat-sensitive, can reach the whole evenly distributed's of pressure purpose to solve the bad phenomenon of printing because of the inhomogeneous production of pressure.
Therefore, the utility model discloses when thermal printing paper sent into rubber roll and thermal sensitive piece and prints, can guarantee that pressure between the two is even, guaranteed that the thick and thin even printing effect of typeface of printing out reduces effectively and beats the printing paper extravagant to improve the yields of product.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a pressing structure of a thermal printer according to the present invention.
The present invention will be further explained with reference to the drawings and examples.
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 merely illustrative of the invention and are not limiting of the invention.
Referring to fig. 1, the utility model discloses a thermal printer's pressfitting structure includes rocking arm 7, tension spring 6, power arm 8, heat-sensitive piece 1, rubber roll 10, reset spring 5, and the tip of rocking arm 7 is connected with one end of tension spring 6, and the other end of tension spring 6 is connected with the front end of power arm 8, and the lower extreme of power arm 8 is connected with reset spring 5 and is used for restoring to the throne, and the rear end of power arm 8 is connected with the cross universal joint, and heat-sensitive piece 1 laminates in the one end of cross universal joint; a printing channel is formed between the thermosensitive plate 1 and the rubber roller 10, the rocker arm 7 exerts force between the thermosensitive plate 1 and the rubber roller 10 through the tension spring 6, the power arm 8 and the cross universal joint to promote the thermosensitive plate 1 to move towards or away from the rubber roller 10, and when the thermosensitive plate 1 is attached to the rubber roller 10, the rubber roller 10 is used for pressing the thermosensitive printing paper to enable the thermosensitive printing paper to be in close contact with the thermosensitive plate 1.
In this embodiment, the cross universal joint includes pivot support 4 and installs the rear end of first pivot 9, second pivot 3, power arm 8 on pivot support 4 and articulates on pivot support 4 through first pivot 9, has cup jointed heat-sensitive piece support 2 on the second pivot 3, and the laminating of heat-sensitive piece 1 is on heat-sensitive piece support 2. Wherein the first rotating shaft 9 and the second rotating shaft 3 are perpendicular.
The thermosensitive sheet support 2 is connected with the second rotating shaft 3 through rivets, and when the plane of the thermosensitive sheet 1 is attached to the rubber roller 10, the thermosensitive sheet support 2 rotates around the direction perpendicular to the second rotating shaft 3 until the thermosensitive sheet 1 can be uniformly attached to the surface of the rubber roller 10. The rubber roller 10 of the embodiment is a fixed rotating structure, and is attached to the thermosensitive plate 1 after rotating through the thermosensitive plate bracket 2.
In the embodiment, when the rocker arm 7 is rotated by an external force, the tension spring 6 is pulled to be stretched and deformed to generate tension, the tension spring 6 acts on the power arm 8, the power arm 8 applies contact stress to the rotating shaft bracket 4, and the heat-sensitive sheet bracket 2 and the heat-sensitive sheet 1 are driven to move towards the rubber roller 10.
In the embodiment, when the rocker arm 7 is not subjected to external force, the return spring 5 drives the power arm 8 to return, so that the heat-sensitive sheet 1 is separated from the rubber roller 10.
In this embodiment, the rotating shaft support 4 comprises a support having a first connecting portion and a second connecting portion, the first rotating shaft 9 is rotatably connected to the first connecting portion of the support through a bearing, and the second rotating shaft 3 is rotatably connected to the second connecting portion of the support through a bearing.
Therefore, the utility model provides a structure is laminated heat-sensitive piece 1 on the cross universal joint, can automatically regulated equilibrium when mode through the cross universal joint lets heat-sensitive piece 1 beat printing paper, rubber roll 10 laminating with the heat-sensitive, can reach the whole evenly distributed's of pressure purpose to solve the bad phenomenon of printing because of pressure inhomogeneous production.
Therefore, the utility model discloses when thermal printing paper sent into rubber roll 10 and thermal sensitive piece 1 and prints, can guarantee that pressure between the two is even, guaranteed that the thick and thin even printing effect of typeface of printing out reduces effectively and beats the printing paper extravagantly to improve the yields of product.
This embodiment still provides a thermal printer's pressfitting structure's application method, is applied to foretell thermal printer's pressfitting structure, the utility model discloses a method includes following step: when the thermal printer prints, the thermal sensitive sheet 1 is attached to one end of the cross universal joint, a printing channel is formed between the thermal sensitive sheet 1 and the rubber roller 10, when the rocker arm 7 rotates under external force, the tension spring 6 is made to stretch and deform to generate tension, the tension is transmitted to the rotating shaft support 4 of the cross universal joint through the power arm 8, the rotating shaft support 4 rotates around the first rotating shaft 9, when relative pressure is generated between the thermal sensitive sheet 1 and the rubber roller 10, the thermal sensitive sheet support 2 rotates around the second rotating shaft 3, the thermal sensitive sheet 1 is made to move towards the rubber roller 10, the balance degree is adjusted through the thermal sensitive sheet support 2 during pressing, and the pressure between the thermal sensitive sheet 1 and the rubber roller 10 is made to reach an even stress state.
In this embodiment, when the external force of the rocker arm 7 disappears, the power arm 8 is driven by the return spring 5 to return to the initial position, so as to separate the thermal sensitive sheet 1 from the rubber roller 10, and then the thermal sensitive printing paper can be taken out/put in.
In practical application, when the heat-sensitive sheet 1 is attached to the rubber roller 10, the surface of the heat-sensitive sheet 1 can be always kept parallel to the surface of the rubber roller 10 through the second rotating shaft 3, and when pressure generated by swinging of the power arm 8 acts on the middle position of the heat-sensitive sheet support 2 in a direction always perpendicular to the heat-sensitive sheet support 2, the contact planes of the heat-sensitive sheet 1 and the rubber roller 10 are always kept in a parallel state, and the pressure generated by the heat-sensitive sheet 1 and the rubber roller 10 is also always uniformly distributed on the contact surfaces of the heat-sensitive sheet 1 and the rubber roller.
Therefore, the utility model discloses a method is laminated heat-sensitive piece 1 on the cross universal joint, can automatically regulated equilibrium degree when letting heat-sensitive piece 1 and thermal printing paper, rubber roll 10 laminate through the mode of cross universal joint, can reach the whole evenly distributed's of pressure purpose to solve the bad phenomenon of printing because of pressure inhomogeneous production.
Therefore, the utility model discloses when thermal printing paper sent into rubber roll 10 and thermal sensitive piece 1 and prints, can guarantee that pressure between the two is even, guaranteed that the thick and thin even printing effect of typeface of printing out reduces effectively and beats the printing paper extravagantly to improve the yields of product.
The foregoing describes the general principles of the present disclosure in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present disclosure are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present disclosure. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the disclosure is not intended to be limited to the specific details so described.
The block diagrams of devices, apparatuses, systems referred to in this disclosure are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (6)
1. A press-fit structure of a thermal printer, comprising:
the temperature-sensitive rubber roller comprises a rocker arm, a tension spring, a power arm, a temperature-sensitive sheet, a rubber roller and a return spring, wherein the end part of the rocker arm is connected with one end of the tension spring, the other end of the tension spring is connected with the front end of the power arm, the lower end of the power arm is connected with the return spring for return, the rear end of the power arm is connected with a cross universal joint, and the temperature-sensitive sheet is attached to one end of the cross universal joint;
a printing channel is formed between the heat-sensitive sheet and the rubber roller, and the rocker arm exerts force between the heat-sensitive sheet and the rubber roller through the tension spring, the power arm and the cross universal joint to promote the heat-sensitive sheet to move towards or away from the rubber roller.
2. The laminated structure of claim 1, wherein:
the cross universal joint comprises a rotating shaft support and a first rotating shaft, a second rotating shaft and a power arm, wherein the first rotating shaft and the second rotating shaft are arranged on the rotating shaft support, the rear end of the power arm is hinged to the rotating shaft support through the first rotating shaft, a thermosensitive plate support is sleeved on the second rotating shaft, and the thermosensitive plate is attached to the thermosensitive plate support.
3. The laminated structure of claim 2, wherein:
the first rotating shaft is perpendicular to the second rotating shaft.
4. The laminated structure of claim 2, wherein:
when the rocker arm rotates under the action of an external force, the tension spring is pulled to be stretched and deformed to generate tension, the tension spring acts on the power arm, the power arm applies contact stress to the rotating shaft support, and the heat-sensitive sheet support and the heat-sensitive sheet are driven to move towards the rubber roller.
5. The laminated structure of claim 4, wherein:
when the rocker arm is not subjected to external force, the reset spring drives the power arm to reset, so that the thermosensitive plate is separated from the rubber roller.
6. The laminated structure of claim 2, wherein:
the pivot support includes the support, the support has first connecting portion and second connecting portion, first pivot is passed through the bearing and is rotated the connection and be in on the first connecting portion of support, the second pivot is passed through the bearing and is rotated the connection and be in on the second connecting portion of support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303151.8U CN214419970U (en) | 2020-10-15 | 2020-10-15 | Press fit structure of thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022303151.8U CN214419970U (en) | 2020-10-15 | 2020-10-15 | Press fit structure of thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214419970U true CN214419970U (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022303151.8U Active CN214419970U (en) | 2020-10-15 | 2020-10-15 | Press fit structure of thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214419970U (en) |
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2020
- 2020-10-15 CN CN202022303151.8U patent/CN214419970U/en active Active
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Effective date of registration: 20220919 Address after: 519000 room 103-029, 1st floor, building 1, No. 18 Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province (centralized office area) Patentee after: ZHUHAI QUIN TECHNOLOGY Co.,Ltd. Address before: 519000 5th floor, building 2, No.1, Cuizhu 4th Street, Qianshan, Zhuhai City, Guangdong Province Patentee before: Zhuhai Zeguan Technology Co.,Ltd. |