CN219749286U - Portable thermal printer core - Google Patents
Portable thermal printer core Download PDFInfo
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- CN219749286U CN219749286U CN202321210884.4U CN202321210884U CN219749286U CN 219749286 U CN219749286 U CN 219749286U CN 202321210884 U CN202321210884 U CN 202321210884U CN 219749286 U CN219749286 U CN 219749286U
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- base frame
- paper
- lower base
- buckling
- thermal printer
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- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of thermal printers, in particular to a portable thermal printer core, which comprises an upper base frame and a lower base frame, wherein one side of the lower base frame is hinged with the lower base frame through a base frame rotating shaft, the lower base frame and the upper base frame are fastened and fastened mutually, the surface of the lower base frame is provided with a straightening paper winding structure for straightening paper winding, the straightening paper winding structure comprises a paper pressing shaft, an E-shaped fixing buckle and buckle supporting pieces, the buckle supporting pieces are provided with two groups, the two groups of buckle supporting pieces are respectively and fixedly connected with the surface of the lower base frame, the paper pressing shaft is rotatably connected between the adjacent buckle supporting pieces, and one side inside the lower base frame is also provided with a rubber roller module; the surface of the lower base frame is also provided with a buckling assembly structure for buckling the upper base frame and the lower base frame. The utility model not only can realize the function of leveling the roll paper, but also can increase the printing effect of the printer.
Description
Technical Field
The utility model relates to the technical field of thermal printers, in particular to a portable thermal printer core.
Background
The existing thermal printer core comprises a base frame, a paper pressing shaft, an E-shaped fixing buckle, a base frame rotating shaft, a buckling and clamping component (torsion spring, a buckle and a transmission rod), a rubber roller module and a motor tooth and wheel module component. The rubber roll module is installed on the bed frame, and the core print balancing module is installed on the frame.
1. At present, two types of A4 thermal paper roll forms and folding paper forms exist on the market, and the A4 portable thermal printer is compatible with roll paper and folding paper because of the restriction of structural size, and cannot be compatible with the roll paper leveling function, so that the roll paper is used for printing paper curl to cause the trouble of users in ten thoughts, and the A4 portable thermal printer with the leveling function is large or not easy to carry, or can not be compatible with folding paper printing to cause the reduction of the selection of a user.
2. The upper base frame and the lower base frame of the A4 thermal printer core on the market are fastened, so that printing quality and uncapping hand feeling can be guaranteed, and the buckle assembly is complex in structure and difficult to assemble.
Disclosure of Invention
The utility model aims to provide a portable thermal printer core, which aims to solve the problems that the existing printer cannot be compatible with a roll paper leveling function and is poor in printing quality in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the portable thermal printer core comprises an upper base frame and a lower base frame, wherein one side of the upper base frame is hinged with the lower base frame through a base frame rotating shaft, the lower base frame and the upper base frame are fastened by mutual buckling, the surface of the lower base frame is provided with a straightening paper winding structure for straightening paper winding paper, the straightening paper winding structure comprises a paper pressing shaft, an E-shaped fixing buckle and buckle supporting pieces, the buckle supporting pieces are provided with two groups, the two groups of buckle supporting pieces are respectively and fixedly connected to the surface of the lower base frame, the paper pressing shaft is rotatably connected between the adjacent buckle supporting pieces, and E-shaped fixing buckles are sleeved at two ends of the paper pressing shaft and fastened by mutual buckling of the E-shaped fixing buckles and the buckle supporting pieces; a rubber roller module is further arranged on one side of the inner part of the lower base frame; the surface of the lower base frame is also provided with a buckling assembly structure for buckling the upper base frame and the lower base frame.
Preferably, the surface of the upper base frame is provided with a clearance groove, and the clearance groove is used for accommodating the straight roll paper structure protruding from the surface of the upper base frame.
Preferably, the rubber roller module is composed of a rubber roller, a motor and a gear set, wherein the motor is fixedly connected to the inner wall of the lower base frame, and the gear set is installed at the output end of the motor.
Preferably, the rubber roller is rotatably connected to the surface of the lower base frame, and a gear U at one end of the rubber roller is meshed with the gear set.
Preferably, a paper roll is arranged in the upper base frame, the surface of the paper roll is wound with thermal paper, and the thermal paper passes through the paper pressing shaft and is straightened through the rubber roller.
Preferably, the buckling and clamping assembly structure is composed of two supporting seats, buckling pieces, a transmission rod, torsion springs and rebound shafts, wherein the two supporting seats are respectively fixedly connected to the surface of the lower base frame, and buckling pieces are arranged on the surfaces of the supporting seats through bolts.
Preferably, the inner wall between the buckle pieces is rotationally connected with a transmission rod, two ends of the transmission rod are sleeved with torsion springs, one ends of the torsion springs are mutually extruded and attached to the surface of the upper base frame, a rebound shaft is arranged below the transmission rod, and the other ends of the torsion springs are mutually extruded and fastened with the surface of the rebound shaft.
Compared with the prior art, the utility model has the beneficial effects that: the portable thermal printer core not only can realize the function of leveling the roll paper, but also can increase the printing effect of the printer;
1. the paper straightening structure is added on the lower base frame, the upper base frame is provided with the clearance groove, so that the cover closing printing is simple, the thermal paper on the surface of the paper roll is straightened under the action of the counter pressure of the paper straightening structure, the thermal surface of the paper roll common in the market is positioned on the inner surface of the paper, the paper straightening structure is placed in the lower base frame, and the paper straightening structure is applicable to the general thermal paper roll common in the market;
2. through setting up knot card subassembly structure, detain card subassembly structure and constitute by fastener, transfer line, torsion spring, bounce-back axle etc., fastener and transfer line both ends close-fitting, torsion spring bounce-back effort is as the closing force of knot, and during the concrete implementation, fastener carries out close-fitting with the transfer line, carries out the knot with last bed frame through torsion spring's one end, and torsion spring's the other end passes through bounce-back axle and fixed the blocking of bed frame down, makes upper and lower bed frame close-fitting through torsion spring effort, has increased the printing effect of printer.
Drawings
FIG. 1 is a schematic view of a paper roll straightening structure according to the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an exploded view of the paper roll of the present utility model;
FIG. 4 is a schematic view of a buckle assembly according to the present utility model;
FIG. 5 is a schematic view of a partial structure of the present utility model;
FIG. 6 is a schematic diagram of a rebound shaft according to the present utility model;
fig. 7 is an exploded view of the buckle assembly of the present utility model.
In the figure: 1. an upper base frame; 2. a lower base frame; 11. a pedestal rotating shaft; 12. a clearance groove; 13. a paper roll; 14. thermal paper; 3. straightening a roll paper structure; 31. a paper pressing shaft; 32. e-shaped fixing buckles; 33. a clasp support; 4. a rubber roller module; 41. a rubber roller; 42. a motor; 43. a gear set; 5. a buckling and clamping component structure; 51. a support base; 52. a clip; 53. a transmission rod; 54. a torsion spring; 55. and (5) rebounding the shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The utility model provides a portable thermal printer core structure as shown in fig. 1-3, which comprises an upper base frame 1 and a lower base frame 2, wherein one side of the upper base frame 1 is hinged with the lower base frame 2 through a base frame rotating shaft 11, the lower base frame 2 and the upper base frame 1 are mutually buckled and fastened, the surface of the upper base frame 1 is provided with a clearance groove 12, the clearance groove 12 is used for accommodating a straightening roll paper structure 3 protruding from the surface of the upper base frame 1, a roll paper cylinder 13 is arranged in the upper base frame 1, the surface of the roll paper cylinder 13 is wound with thermal paper 14, the thermal paper 14 passes through a roll paper pressing shaft 31 and straightens through a rubber roll 41, the surface of the lower base frame 2 is provided with a straightening roll paper structure 3 for straightening paper, the straightening roll paper structure 3 comprises a roll paper shaft 31, an E-shaped fixing buckle 32 and buckle supporting pieces 33, the two groups of buckle supporting pieces 33 are respectively fixedly connected to the surface of the lower base frame 2, the roll paper pressing shaft 31 is rotationally connected between the adjacent buckle supporting pieces 33, two ends of the roll paper pressing shaft 31 are sleeved with E-shaped fixing buckles 32, and the E-shaped fixing buckles 32 and the buckling supporting pieces 33 are mutually fastened; the inside one side of lower bed frame 2 still is provided with rubber roll module 4, and rubber roll module 4 comprises rubber roll 41, motor 42 and gear train 43, and motor 42 fixed connection is on the inner wall of lower bed frame 2, and gear train 43 is installed to the output of motor 42, and rubber roll 41 rotates the surface of connecting at lower bed frame 2, and the gear U of rubber roll 41 one end and gear train 43 intermesh.
During implementation, the straightening roll paper structure 3 is added on the lower base frame 2, the upper base frame 1 is provided with the clearance groove 12, so that the cover closing printing is simple, the thermosensitive paper 14 on the surface of the roll paper cylinder 13 is straightened under the action of the counter pressure of the straightening roll paper structure 3, the thermosensitive surface of the market-common roll paper is positioned on the inner surface of the paper, the straightening roll paper structure 3 is placed in the lower base frame 2, and the paper straightening machine is applicable to the market-common thermosensitive roll paper, particularly when the straightening roll paper structure 3 is implemented, the paper passes through the pressure edge of the upper base frame 1 through the roll paper, the paper winds the paper pressing shaft 31 to form counter tension through the paper pressing shaft 31, and the paper is straightened through the tension of the glue roller 41.
Further, as shown in fig. 4 to 7, the surface of the lower base frame 2 is further provided with a fastening assembly structure 5 for fastening the upper base frame 1 and the lower base frame 2, the fastening assembly structure 5 is composed of two supporting seats 51, fastening pieces 52, a transmission rod 53, torsion springs 54 and a rebound shaft 55, the two supporting seats 51 are respectively and fixedly connected to the surface of the lower base frame 2, the fastening pieces 52 are mounted on the surfaces of the supporting seats 51 through bolts, the transmission rod 53 is rotatably connected to the inner wall between the fastening pieces 52, the torsion springs 54 are sleeved at two ends of the transmission rod 53, one ends of the torsion springs 54 are mutually pressed and attached to the surface of the upper base frame 1, the rebound shaft 55 is arranged below the transmission rod 53, and the other ends of the torsion springs 54 are mutually pressed and fastened with the surface of the rebound shaft 55.
During implementation, through setting up knot card subassembly structure 5, it comprises buckle spare 52, transfer line 53, torsion spring 54, rebound axle 55 etc. buckle spare 52 and transfer line 53 both ends close-fitting, torsion spring 54 rebound effort is as the closing force of buckling, and during the concrete implementation, buckle spare 52 carries out close-fitting with transfer line 53, carries out the buckling through torsion spring 54's one end and last bed frame 1, and torsion spring 54's the other end passes through rebound axle 55 and fixed blocking of lower bed frame 2, makes upper and lower bed frame close-fitting through torsion spring 54 effort, has increased the printing effect of printer.
Working principle: when the paper straightening machine is used, the paper straightening structure 3 is added on the lower base frame 2, the upper base frame 1 is used as the clearance groove 12, so that the cover closing printing is simple, the thermosensitive paper 14 on the surface of the paper drum 13 is straightened under the action of the counter pressure of the paper straightening structure 3, the thermosensitive surface of the paper in the market is positioned on the inner surface of the paper, the paper straightening structure 3 is placed in the lower base frame 2, the paper straightening machine is applicable to the market universal thermosensitive paper, and when the paper straightening structure 3 is implemented, the paper passes through the pressure edge of the upper base frame 1 through the paper sheet, the paper winds the paper pressing shaft 31, the counter tension is formed through the paper pressing shaft 31, and the paper is straightened through the tension of the rubber roller 41.
Through setting up knot card subassembly structure 5, it comprises buckle spare 52, transfer line 53, torsion spring 54, rebound axle 55 etc. buckle spare 52 and transfer line 53 both ends close-fitting, torsion spring 54 rebound effort is as the clamp force of buckling, and during the concrete implementation, buckle spare 52 carries out close-fitting with transfer line 53, carries out the buckling through torsion spring 54's one end and last bed frame 1, and torsion spring 54's the other end passes through rebound axle 55 and lower bed frame 2 fixed block, makes upper and lower bed frame close-fitting through torsion spring 54 effort, has increased the printing effect of printer.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (7)
1. The utility model provides a portable thermal printer core, includes on bed frame (1) and on bed frame (1) one side is through bed frame pivot (11) articulated bed frame (2) down, this bed frame (2) and on bed frame (1) mutual lock fastening, its characterized in that: the surface of the lower base frame (2) is provided with a straightening roll paper structure (3) for straightening roll paper, the straightening roll paper structure (3) comprises a roll paper pressing shaft (31), E-shaped fixing buckles (32) and buckling supporting pieces (33), the buckling supporting pieces (33) are provided with two groups, the two groups of buckling supporting pieces (33) are respectively and fixedly connected to the surface of the lower base frame (2), the roll paper pressing shaft (31) is rotationally connected between the adjacent buckling supporting pieces (33), the E-shaped fixing buckles (32) are sleeved at two ends of the roll paper, and the E-shaped fixing buckles (32) are fastened with the buckling supporting pieces (33) in a buckling mode; a rubber roller module (4) is arranged on one side of the inner part of the lower base frame (2); the surface of the lower base frame (2) is also provided with a buckling assembly structure (5) for buckling the upper base frame (1) and the lower base frame (2).
2. A portable thermal printer cartridge according to claim 1, wherein: the surface of the upper base frame (1) is provided with a clearance groove (12), and the clearance groove (12) is used for accommodating a straightening roll paper structure (3) protruding from the surface of the upper base frame (1).
3. A portable thermal printer cartridge according to claim 1, wherein: the rubber roller module (4) is composed of a rubber roller (41), a motor (42) and a gear set (43), wherein the motor (42) is fixedly connected to the inner wall of the lower base frame (2), and the gear set (43) is installed at the output end of the motor (42).
4. A portable thermal printer cartridge according to claim 1, wherein: the rubber roller (41) is rotatably connected to the surface of the lower base frame (2), and a gear U at one end of the rubber roller (41) is meshed with the gear set (43).
5. A portable thermal printer cartridge according to claim 1, wherein: a paper roll (13) is arranged in the upper base frame (1), the surface of the paper roll (13) is wound with thermal paper (14), and the thermal paper (14) passes through a paper pressing shaft (31) and is straightened through a rubber roller (41).
6. A portable thermal printer cartridge according to claim 1, wherein: the buckling and clamping assembly structure (5) is composed of two supporting seats (51), buckling pieces (52), a transmission rod (53), torsion springs (54) and a rebound shaft (55), wherein the two supporting seats (51) are fixedly connected to the surface of the lower base frame (2) respectively, and buckling pieces (52) are mounted on the surface of the supporting seats (51) through bolts.
7. A portable thermal printer cartridge according to claim 6, wherein: the inner wall between buckle spare (52) is rotated and is connected with transfer line (53), the both ends of transfer line (53) all are equipped with torsion spring (54), and the mutual extrusion laminating of one end of torsion spring (54) and the surface of going up bed frame (1), the below of transfer line (53) is provided with bounce-back axle (55), and the other end of torsion spring (54) and the mutual extrusion fastening of the surface of bounce-back axle (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321210884.4U CN219749286U (en) | 2023-05-18 | 2023-05-18 | Portable thermal printer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321210884.4U CN219749286U (en) | 2023-05-18 | 2023-05-18 | Portable thermal printer core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219749286U true CN219749286U (en) | 2023-09-26 |
Family
ID=88080885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321210884.4U Active CN219749286U (en) | 2023-05-18 | 2023-05-18 | Portable thermal printer core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219749286U (en) |
-
2023
- 2023-05-18 CN CN202321210884.4U patent/CN219749286U/en active Active
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