CN216373879U

CN216373879U - Thermal printing module and printing equipment

Info

Publication number: CN216373879U
Application number: CN202122704255.4U
Authority: CN
Inventors: 徐奇; 张国柱
Original assignee: Shenzhen Comen Medical Instruments Co Ltd
Current assignee: Shenzhen Comen Medical Instruments Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-26
Anticipated expiration: 2031-11-05

Abstract

The utility model provides a thermal printing module and printing equipment, which comprise a shell, a thermal printing module and a paper bin assembly, wherein the paper bin assembly comprises a paper bin, a handle fastening mechanism, a transmission mechanism and a rubber roll; the thermal printing module has the advantages that the structural design is simple, the triggering is labor-saving, the structural design can be reduced by adopting the thermal printing equipment of the thermal printing module, the whole space of the module is saved, and the whole machine is conveniently designed and stacked.

Description

Thermal printing module and printing equipment

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to a thermal printing module and printing equipment.

Background

The working principle of the thermal printer is that a semiconductor heating element is arranged on a printing head, the printing head can print required patterns after being heated and contacting thermal printing paper, and the thermal printer has the advantages of high speed, low noise, clear printing and convenient use compared with a stylus printer. Therefore, thermal printers have been widely used in the fields of POS terminal systems, banking systems, medical instruments, and the like.

In the existing thermal printer and the product using the thermal printing module, the hand feeling of the opening and closing operation of the paper bin drawer is poor when the printing paper is replaced; the paper bin receptor occupies a large space, and is not beneficial to the simple design and module stacking of the whole machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thermal printing module and printing equipment, and aims to solve the problems in the prior art of the existing thermal printing module.

In order to solve the technical problem, the utility model is realized as follows:

a thermal printing module comprises a shell, a thermal printing module and a paper bin assembly, wherein a containing cavity is arranged in the shell, an opening is formed in one side of the containing cavity, the paper bin assembly is arranged in the containing cavity in a sliding mode through the opening, the thermal printing module is fixed on the shell, and the thermal printing module is located on a moving path of the paper bin assembly; wherein:

the paper bin assembly comprises a paper bin, a handle buckling mechanism, a transmission mechanism and a rubber roll, the paper bin is provided with a paper bin cover far away from one side of the accommodating cavity, the handle buckling mechanism, the transmission mechanism and the rubber roll are arranged on the paper bin cover, the handle buckling mechanism is exposed out of the paper bin cover, the transmission mechanism is connected to the handle buckling mechanism, the transmission mechanism is used for driving a separating switch of the thermosensitive printing module, and the rubber roll is used for realizing connection of the paper bin assembly and the thermosensitive printing module.

Further, the handle mechanism comprises a paper bin handle, a pin shaft and a transmission shifting button, the pin shaft penetrates through the paper bin handle and is fixedly connected with the paper bin handle, two ends of the pin shaft are rotatably connected in the paper bin cover, and the transmission shifting button is fixedly connected on the pin shaft.

Further, the paper bin handle is provided with a through hole for the pin shaft to pass through, the through hole is flat, the cross section of the pin shaft corresponding to the through hole is flat, and the pin shaft and the paper bin handle are fixed through screws.

Furthermore, the transmission shifting knob is an arc shifting claw, one end of the arc shifting claw is fixedly connected to the pin shaft, and the other end of the arc shifting claw is connected to the transmission mechanism.

Further, drive mechanism includes pin, driving medium and the elastic component that resets, the pin runs through driving medium and fixed connection in on the paper storehouse lid, the driving medium rotate connect in the pin, the one end of driving medium connect in the button is dialled in the transmission, the elastic component that resets connect in the paper storehouse lid with between the driving medium, the elastic component that resets is used for realizing the rotation of driving medium resets.

Further, the elastic component that resets includes the elastic torsion spring, the paper storehouse is covered and is provided with pin installation position, the elastic torsion spring cover is located on the pin installation position, just the one end of elastic torsion spring connect in the paper storehouse lid, the other end connect in the driving medium.

Further, the elastic component that resets includes the elasticity extension spring, the elasticity extension spring set up in the driving medium is close to one side of paper storehouse attacker, the one end of elasticity extension spring connect in the other end of driving medium, the other end of elasticity extension spring connect in the paper storehouse lid.

Further, the disconnecting switch is arranged on a rotating path at the other end of the transmission piece.

Furthermore, the outer side surfaces of two side walls of the paper bin adjacent to the paper bin cover are provided with guide blocks, the shell is provided with paper bin guide rails corresponding to the guide blocks, and the paper bin assembly can move linearly along the paper bin guide rails.

A printing apparatus comprising a thermal printing module as described above.

Compared with the prior art, the thermal printing module has the advantages that: according to the utility model, through designing the transmission connection relation between the handle component and the transmission component, after a user toggles the handle component, the transmission component is triggered to rotate, and then the separation switch of the thermal printing module is triggered, so that the rubber roller and the thermal printing module are separated, and the paper bin can be drawn out under the pulling of external force; the structure is simple in design and labor-saving in triggering; the thermal printing equipment adopting the thermal printing module can reduce the structural design, save the whole space of the module and facilitate the simple design and module stacking of the whole machine.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a thermal printing module in an embodiment of the utility model;

FIG. 2 is an exploded view of a thermal printing module according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a handle mechanism of a thermal printing module according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of a thermal printing module actuator according to an embodiment of the present invention;

fig. 5 (a) is a schematic structural view of a paper deck assembly in an embodiment of the present invention; (b) is a partially enlarged schematic view T of the paper bin assembly.

In the drawings, each reference numeral denotes: 100-a thermal printing module; 1-a machine shell; 11-a paper bin guide rail; 2-a thermal printing module; 20-a disconnect switch; 3-a paper bin assembly; 30-a paper bin; 301-a guide block; 31-a paper compartment cover; 310-pin mounting location; 32-a clasping mechanism; 321-paper bin handle; 322-pin shaft; 323-drive toggle; 33-a transmission mechanism; 331-pin; 332-a transmission member; 333-reset elastic piece; 3331-elastic torsion spring; 3332-elastic tension spring; 34-rubber roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.

A first aspect of the present invention provides a thermal printing module 100, as shown in the schematic structural diagram of the thermal printing module shown in fig. 1-2, the thermal printing module 100 includes a casing 1, a thermal printing module 2, and a paper bin assembly 3, a receiving cavity is disposed in the casing 1 for receiving the paper bin assembly 3, an opening is disposed on one side of the receiving cavity, the paper bin assembly 3 is slidably disposed in the receiving cavity through the opening, it should be noted that, when the paper bin assembly 3 is completely received in the receiving cavity, the paper bin assembly 3 and the casing 1 form an integral in appearance, and the paper bin assembly 3 can form a fixed connection relationship with the casing 1, in addition, the thermal printing module 2 is fixed on the casing 1, and the thermal printing module 2 is located on a moving path of the paper bin assembly 3.

In this embodiment, the paper bin assembly 3 includes a paper bin 30, a handle mechanism 32, a transmission mechanism 33 and a rubber roller 34, and the paper bin 30 is a containing bin with a closed bottom and periphery and an open top for placing printing paper. A paper bin cover 31 is arranged on one side of the paper bin 30 far away from the accommodating cavity, the paper bin cover 31 can be fixed on one side of the paper bin 30 through screws, and further, the paper bin cover 31 can be integrally distinguished from the casing 1 through arranging different colors, patterns or decorative structures. The handle mechanism 32, the transmission mechanism 33 and the rubber roller 34 are mounted on the paper compartment cover 31, the handle mechanism 32 is exposed out of the paper compartment cover 31, and the transmission mechanism 33 is connected to the handle mechanism 32 and used for driving a separating switch of the thermal printing module 2. It should be noted that, when the paper bin assembly 3 is completely disposed in the casing 1, the rubber roller 34 disposed on the paper bin cover 31 is connected to the thermal printing module 2 disposed on the casing 1, so that the solution of this embodiment is to connect and fix the paper bin assembly 3 and the casing 1 through the connection between the rubber roller 34 and the thermal printing module 2, and after the user pulls the handle mechanism 32, the separation switch of the thermal printing module 2 is driven through mechanical transmission, so as to control the separation between the rubber roller 34 and the thermal printing module 2.

As shown in the schematic structural diagrams of the clasping mechanism shown in fig. 1-3, the clasping mechanism 32 comprises a paper bin clasping handle 321, a pin 322 and a transmission toggle 323. The paper bin attacker 321 is used for the user to act, and since the paper bin attacker 321 is used for the human fingers to pull, in order to accord with ergonomic design, the paper bin attacker 321 can design the laminating position adapted to the human fingers, and the touch experience of the user is improved. The pin shaft 322 penetrates through the paper bin handle 321, a through hole for the pin shaft 322 to pass through is formed in the paper bin handle 321, the through hole is flat and comprises but is not limited to polygonal shapes such as rectangle and triangle, the pin shaft 322 is correspondingly formed in the cross section corresponding to the through hole, and when the pin shaft 322 and the paper bin handle 321 are assembled, the pin shaft 322 and the paper bin handle 321 can be kept relatively static in the radial direction; in addition, the paper bin handle 321 and the pin shaft 322 are provided with threaded holes correspondingly, and the fixed pin shaft 322 and the paper bin handle 321 are connected through screws, so that the pin shaft 322 and the paper bin handle 321 keep relatively static in the axial direction. It should be noted that the paper bin handle 321 is movably connected to the paper bin cover 31, and when the paper bin handle 321 is pulled, the paper bin handle 321 is connected to the paper bin cover 31 through the pin 322 and can rotate relative to the paper bin cover 31, so as to drive the transmission dial 323 to rotate, the transmission dial 323 is an arc-shaped dial claw, one end of the transmission dial 323 is fixedly connected to the pin 322, and the other end of the transmission dial is connected to the transmission mechanism 33.

As shown in fig. 1, 2 and 4, the transmission mechanism 33 includes a pin 331, a transmission member 332 and a return elastic member 333. The pin 331 penetrates through the transmission member 332 and is fixedly connected to the paper bin cover 31, the transmission member 332 is rotatably connected to the pin 331, specifically, the transmission member 332 comprises a through hole in the middle and a first extending end and a second extending end which are positioned at two ends of the through hole, the pin 331 penetrates through the through hole and is connected to the paper bin cover 31, the first extending end of the transmission member 332 is connected to the transmission toggle button 323, and the second extending end of the transmission member 332 is used for triggering the separation switch 20 of the thermal printing module 2; wherein, the return spring is connected between the paper bin cover 31 and the transmission member 332, and the return elastic member 333 is used for realizing the rotary return of the transmission member 332.

As one embodiment of this embodiment, the elastic restoring element 333 is an elastic torsion spring 3331, the bottom of the paper bin cover 31 is provided with a pin 331 installation position 310, the elastic torsion spring 3331 can be sleeved on the pin 331 installation position 310, one end of the elastic torsion spring 3331 is connected to the paper bin cover 31, the other end of the elastic torsion spring 3331 is connected to the transmission element 332, after the transmission element 332 rotates, the transmission element 332 drives the elastic torsion spring 3331 to rotate, and the elastic torsion spring 3331 generates a reverse torque force for restoring the transmission element 332.

In another embodiment of this embodiment, the reset elastic member 333 is an elastic tension spring 3332, the elastic tension spring 3332 is disposed on one side of the transmission member 332 near the paper compartment handle 321, one end of the elastic tension spring 3332 is connected to the other end of the transmission member 332, the other end of the elastic tension spring 3332 is connected to the paper compartment cover 31, and after the transmission member 332 rotates, the elastic tension spring 3332 is stretched, and the elastic tension spring 3332 generates a reverse tension force to reset the transmission member 332.

The above embodiments of the reset elastic member 333 can facilitate the reset of the transmission member 332 after rotating, and one of the embodiments may be selected according to the requirement, or both of the embodiments may be implemented. Specifically, the specific connection relationship between the paper compartment cover 31, the handle mechanism 32 and the transmission mechanism 33 in this embodiment can be seen in the structural relationship schematic diagrams of fig. 1 and 5.

Further, the disconnecting switch 20 is disposed on the rotation path of the second extending end of the transmission member 332, and the specific triggering process for the disconnecting switch is as follows: when a user needs to draw out the paper bin assembly 3 after adding new printing paper, the user pulls the paper bin handle 321, the paper bin handle 321 drives the pin shaft 322 to rotate, the transmission dial button 323 fixed with the pin shaft 322 is driven to rotate, the transmission dial button 323 is connected to the first extending end of the transmission member 332, the transmission member 332 is triggered to rotate around the pin 331, and the control of the disconnecting switch 20 is triggered when the second extending end of the transmission member 332 contacts the disconnecting switch 20.

In order to achieve a good sliding control effect between the paper bin assembly 3 and the housing 1, a moving guide rail pair composed of a guide rail and a slider is provided in this embodiment, as one embodiment of the present invention, the outer side surfaces of two side walls of the paper bin 30 adjacent to the paper bin cover 31 are provided with guide blocks 301, the housing 1 is provided with paper bin guide rails 11 corresponding to the guide blocks 301, the paper bin assembly can move linearly along the paper bin guide rails 11, it should be understood that the movement between the paper bin assembly 3 and the housing 1 further includes other movement modes such as setting rollers, and the modes capable of completing the relative sliding between the paper bin assembly 3 and the housing 1 are all within the protection scope of this application.

The second aspect of the present invention provides a printing apparatus, the printing apparatus comprises the above thermal printing module 100, the above thermal printing module 100 provides a structure for separating the paper bin assembly 3 and the housing 1, the structural design is simple, the triggering is labor-saving, the thermal printing apparatus using the thermal printing module 100 can reduce the structural design, save the overall space of the module, and facilitate the simplified design and stacking of the modules of the whole machine.

The first … … and the second … … are only used for name differentiation and do not represent how different the importance and position of the two are.

Here, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A thermal printing module is characterized by comprising a casing, a thermal printing module and a paper bin assembly, wherein a containing cavity is arranged in the casing, an opening is formed in one side of the containing cavity, the paper bin assembly is arranged in the containing cavity in a sliding mode through the opening, the thermal printing module is fixed on the casing, and the thermal printing module is located on a moving path of the paper bin assembly; wherein:

2. The thermal printing module as claimed in claim 1, wherein the handle mechanism comprises a paper bin handle, a pin shaft and a transmission dial button, the pin shaft penetrates through the paper bin handle and is fixed, two ends of the pin shaft are rotatably connected in the paper bin cover, and the transmission dial button is fixedly connected on the pin shaft.

3. The thermal printing module according to claim 2, wherein the paper bin handle is provided with a through hole for the pin to pass through, the through hole is flat, the cross section of the pin corresponding to the through hole is flat, and the pin and the paper bin handle are fixed through screws.

4. A thermal printing module as claimed in claim 3, wherein said transmission knob is an arc-shaped finger, one end of said arc-shaped finger is fixedly connected to said pin shaft, and the other end of said arc-shaped finger is connected to said transmission mechanism.

5. The thermal printing module of claim 4, wherein the transmission mechanism comprises a pin, a transmission member and a reset elastic member, the pin penetrates through the transmission member and is fixedly connected to the paper bin cover, the transmission member is rotatably connected to the pin, one end of the transmission member is connected to the transmission dial button, the reset elastic member is connected between the paper bin cover and the transmission member, and the reset elastic member is used for realizing the rotary reset of the transmission member.

6. The thermal printing module according to claim 5, wherein the elastic restoring element comprises a torsion spring, a pin mounting position is disposed on the paper bin cover, the elastic torsion spring is sleeved on the pin mounting position, one end of the elastic torsion spring is connected to the paper bin cover, and the other end of the elastic torsion spring is connected to the transmission element.

7. The thermal printing module of claim 5, wherein the return spring comprises a spring, the spring is disposed on a side of the driving member near the paper compartment handle, one end of the spring is connected to the other end of the driving member, and the other end of the spring is connected to the paper compartment cover.

8. A thermal printing module as claimed in claim 7, wherein said disconnect switch is disposed in the rotational path of the other end of said drive member.

9. The thermal printing module of claim 1, wherein the outer sides of the two side walls of the paper bin adjacent to the paper bin cover are provided with guide blocks, the housing is provided with a paper bin guide rail corresponding to the guide blocks, and the paper bin assembly moves linearly along the paper bin guide rail.

10. A printing apparatus comprising a thermal printing module according to any one of claims 1 to 9.