CN204322748U - A kind of thermal printer - Google Patents
A kind of thermal printer Download PDFInfo
- Publication number
- CN204322748U CN204322748U CN201420652199.1U CN201420652199U CN204322748U CN 204322748 U CN204322748 U CN 204322748U CN 201420652199 U CN201420652199 U CN 201420652199U CN 204322748 U CN204322748 U CN 204322748U
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- CN
- China
- Prior art keywords
- support
- aforementioned
- connecting portion
- drive division
- limiting section
- Prior art date
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- Withdrawn - After Issue
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Abstract
A kind of thermal printer, comprises support, motor, driving gear set, print head assembly, support and rubber roll, it is characterized in that described rubber roll is located in aforementioned brackets by a rotating shaft; Described support has the stopper slot arranged for aforementioned rotation axis, and the port of this stopper slot upward; Described dismountable type mechanism comprises locating part, spanner and preloading spring, locating part comprises connecting portion and takes shape in the limiting section at connecting portion two ends, each limiting section front end has the hook portion blocking stopper slot port, and this locating part is run through by a connecting axle and is arranged on support by limiting section; Spanner can be located on aforementioned support rotationally, and one end is the pulling part exposed, and the other end stretches into support and forms drive division, and this drive division and aforementioned connecting portion offset and can drive connecting portion displacement, and then drives limiting section upset.Compared with prior art, the utility model has the advantage of: compact overall structure, operation is convenient, effectively can reduce fault rate.
Description
Technical field
The utility model relates to a kind of thermal printer, can be applied to bill printing.
Background technology
The Automatic Teller Machine of bank, the cashier in supermarket are provided with thermal printer mostly, for printing transaction slip or receipt.Thermal printer has a casing usually, and in casing, be provided with a movement, movement is made up of print head assembly, support and paper cutter, and wherein print head assembly is arranged on the top of support, and paper cutter is arranged on the side of support and print head assembly.Between print head assembly and support, form a paper feed passage, thermal printing paper is through paper feed passage.
The support upper end of thermal printer movement is provided with a rubber roll, and is provided with a motor in support, and motor passes through transmission mechanism, as gear etc. drives rubber roll to rotate.Print head assembly comprises printhead and heat-sensitive sheet, and heat-sensitive sheet is just arranged rubber roll, and heat-sensitive sheet adds thermosetting word and pattern to thermal printing paper.
Owing to needing when thermal printer works often to change printing paper, therefore need often to need printhead to separate from support, namely to uncap operation, therefore existing print head assembly and support arrange cap-opening mechanism so that uncap and operate, but existing cap-opening mechanism complex structure, cause thermal printer movement manufacturing cost higher, and cause operating difficulties of uncapping, be unfavorable for the operation that printing paper is changed.
In addition, present print head assembly and the fit structure of support too complicated, cause submitting to comparatively large, fault rate is higher, needs to improve.
Utility model content
Technical problem to be solved in the utility model provides one to uncap to operate facility, simple and practical thermal printer for the above-mentioned state of the art.
The utility model solves the problems of the technologies described above adopted technical scheme: thermal printer, comprises
Support;
Motor, is located on aforementioned support and clutch end has a driving gear;
Driving gear set, power intake engages with aforesaid driving gear;
Print head assembly, is located on aforementioned support;
Support, is located on aforementioned support by a dismountable type mechanism; And
Rubber roll, to be located at rotationally on aforesaid support and to have input gear, this input gear can with aforesaid driving gear set engaged transmission,
It is characterized in that described rubber roll is located in aforementioned brackets by a rotating shaft;
Described support has the stopper slot arranged for aforementioned rotation axis, and the port of this stopper slot upward;
Described dismountable type mechanism comprises
Locating part, comprise connecting portion and take shape in the limiting section at connecting portion two ends, each limiting section front end has the hook portion blocking stopper slot port, and this locating part is run through by a connecting axle and is arranged on support by limiting section;
Spanner, can be located on aforementioned support rotationally, and the other end is the pulling part exposed, and one end is stretched into support and formed drive division, and this drive division and aforementioned connecting portion offset and can drive connecting portion displacement, and then drives limiting section upset; And
Preloading spring, is located in aforementioned support, and one end and aforementioned connecting portion offset and force connecting portion to recover reset condition all the time.
Described print head assembly comprises
Bracing frame, comprise smooth support portion and be positioned at arm of both sides, support portion, and described connecting axle runs through by this arm and is located on support by bracing frame, the other end of described preloading spring and the inner face of support portion offset;
Printhead, is located at the outer face, support portion of aforementioned bracing frame; And
Flexible PCB, is connected to aforementioned printhead side.
Like this by compact being assembled into integrally of print head assembly and dismountable type mechanism, preloading spring one here serves as dismountable type mechanism return unit, serves as the elastomeric element of print head assembly, dual-use material simultaneously, compacter, is beneficial to slimming design.
Described drive division outer face is formed with projection, can drive connecting portion displacement under this projection rotary state.Projection, as stress point, can cause rapidly connecting portion displacement.
Have a storage tank in described support, the drive division of described spanner is arranged in this storage tank, and the outer wall interval, front end of described drive division is furnished with two stoppers coordinating spacing with the sidepiece of storage tank.Stopper can limit the slewing area in spanner portion, effectively reduces fault rate.
Longitudinally form a gathering sill in the middle part of described storage tank, accordingly, there is in the middle part of described drive division the guide pad of a projection.Drive division rotates and becomes freely smooth and easy.
Further, the middle part of described drive division is provided with one near guide pad and has flexible wedge shape buckle, and described drive division runs through and coordinates this wedge shape buckle by the side opening of support and be located on support by spanner.
Accurately be in place for making support, the working space individual segmentation of the working space of rubber roll and limiting section is come simultaneously, make following advantageous embodiment: described support both sides form linking arm respectively, front end is bent downwardly the position-arresting part being formed with and leaning with support, and described rubber roll can be located on aforementioned linking arm rotationally, described support front end has the resettlement groove that a glue feeding roller is arranged, be convexly equipped with two dividing plates respectively near resettlement groove two madial wall inside this resettlement groove, between this dividing plate and madial wall of resettlement groove, form the gap arranged for connecting portion and linking arm.
When needing dress paper, pull the pulling part of spanner, drive division drives the connecting portion displacement of locating part and overcomes preloading spring elastic force, thus drive the limiting section of locating part to move, remove blocking stopper slot port, the rotating shaft of such rubber roll just can depart from stopper slot, realizes the disengagement of support and support, after printing paper installs, reverse operating can install.
Compared with prior art, the utility model has the advantage of: compact overall structure, operation is convenient, effectively can reduce fault rate.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram.
Fig. 2 is the decomposition installation diagram of Fig. 1.
Fig. 3 is the exploded view at another visual angle of Fig. 2.
Fig. 4 is dismountable type structural scheme of mechanism in Fig. 2.
Fig. 5 is locating part structural representation in Fig. 4.
Fig. 6 removes cut paper movable cutter mechanism schematic diagram in Fig. 1.
Fig. 7 is the decomposition installation diagram of Fig. 6.
Fig. 8 is another viewing angle constructions schematic diagram of spanner in Fig. 7.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, thermal printer in the present embodiment comprises support 1, motor 4a, driving gear set 3a, print head assembly 4, support 2 and rubber roll 5, support 1 upper surface is provided with cut paper movable cutter mechanism 1a and has the stopper slot 11 arranged for rotating shaft 51, the port of this stopper slot 11 upward, further, in support 1, there is storage tank 16; Cut paper movable cutter mechanism 1a belongs to prior art, here not in expansion.
Motor 4a is located on support 1 and clutch end has a driving gear (without display in figure); Driving gear set 3a power intake engages with driving gear; Rubber roll 5 to be located at rotationally on support 2 by a rotating shaft 51 and to have input gear 52, this input gear 52 can with driving gear set 3a engaged transmission.
Shown in composition graphs 4, print head assembly 4 is located on support 1, print head assembly 4 comprises bracing frame 41, printhead 42 and flexible PCB 46, bracing frame 41 comprises smooth support portion and is positioned at an arm of both sides, support portion, connecting axle 43 runs through by this arm and is located on support 1 by bracing frame 41, and printhead 42 is located at the outer face, support portion of bracing frame 41; Flexible PCB 46, is connected to printhead 42 side.
Support 2 upper end is provided with a stationary knife 2a, coordinates realize cut paper with cut paper movable cutter mechanism 1a, and support 2 is located on support 1 by a dismountable type mechanism; Shown in composition graphs 4 and Fig. 5, dismountable type mechanism in the present embodiment comprises locating part 44, spanner 3 and preloading spring 45, locating part 44 comprises connecting portion 442 and takes shape in the limiting section 441 at connecting portion 442 two ends, each limiting section 441 front end has the hook portion 443 blocking stopper slot 11 port, and this locating part 44 is run through by limiting section 441 by connecting axle 43 and is arranged on support 1; Spanner 3 can be located on support 1 rotationally, and one end is the pulling part 32 exposed, and the other end stretches into support 1 and forms drive division 31, and this drive division 31 offsets with connecting portion 442 and can drive connecting portion 442 displacement, and then drives limiting section 441 to overturn; Preloading spring 45 is all located in support 1 for multiple, and one end and connecting portion 442 offset, and the inner face of the support portion of the other end and bracing frame 41 offsets, and preloading spring 45 forces connecting portion 442 to recover reset condition all the time.
Shown in composition graphs 6 and Fig. 7, the drive division 31 of spanner 3 is arranged in this storage tank 16, and the outer wall interval, front end of drive division 31 is furnished with two stoppers 312 coordinating spacing with the sidepiece of storage tank 16.Drive division 31 outer face is formed with projection 311, and the middle part of drive division 31 is provided with one near guide pad and has flexible wedge shape buckle 314, can drive connecting portion 442 displacement under projection 311 rotary state.Drive division 31 runs through and coordinates this wedge shape buckle 314 by the side opening of support 1 and be located on support 1 by spanner 3.
As shown in Figure 7, longitudinally form a gathering sill 18 in the middle part of storage tank 16, accordingly, there is in the middle part of drive division 31 guide pad 313 of a projection.For making assembling accurately put in place, the front end of drive division is provided with axial trough 33, axial trough 33 and pivot pin 17 location fit in storage tank.
Support 2 both sides form linking arm 21 respectively, front end is bent downwardly the position-arresting part 22 being formed with and leaning with support 1, rubber roll 5 can be located on linking arm 21 rotationally by the bearing 53 at two ends, support 1 front end has the resettlement groove 12 that a glue feeding roller 5 is arranged, be convexly equipped with two dividing plates 13 respectively near resettlement groove 12 liang of madial walls inside this resettlement groove 12, between this dividing plate 13 and madial wall of resettlement groove 12, form the gap arranged for connecting portion 442 and linking arm 21.
When needing dress paper, pull the pulling part 32 of spanner, drive division 31 drives connecting portion 442 displacement of locating part and overcomes preloading spring 45 elastic force, thus drive the limiting section 441 of locating part to move, remove blocking stopper slot 11 port, the rotating shaft 51 of such rubber roll just can depart from stopper slot 11, realizes the disengagement of support 2 and support 1, after printing paper installs, reverse operating can install.
Claims (7)
1. a thermal printer, comprises
Support;
Motor, is located on aforementioned support and clutch end has a driving gear;
Driving gear set, power intake engages with aforesaid driving gear;
Print head assembly, is located on aforementioned support;
Support, is located on aforementioned support by a dismountable type mechanism; And
Rubber roll, to be located at rotationally on aforesaid support and to have input gear, this input gear can with aforesaid driving gear set engaged transmission,
It is characterized in that described rubber roll is located in aforementioned brackets by a rotating shaft;
Described support has the stopper slot arranged for aforementioned rotation axis, and the port of this stopper slot upward;
Described dismountable type mechanism comprises
Locating part, comprise connecting portion and take shape in the limiting section at connecting portion two ends, each limiting section front end has the hook portion blocking stopper slot port, and this locating part is run through by a connecting axle and is arranged on support by limiting section;
Spanner, can be located on aforementioned support rotationally, and one end is the pulling part exposed, and the other end stretches into support and forms drive division, and this drive division and aforementioned connecting portion offset and can drive connecting portion displacement, and then drives limiting section upset; And
Preloading spring, is located in aforementioned support, and one end and aforementioned connecting portion offset and force connecting portion to recover reset condition all the time.
2. thermal printer according to claim 1, is characterized in that described print head assembly comprises
Bracing frame, comprise smooth support portion and be positioned at arm of both sides, support portion, and described connecting axle runs through by this arm and is located on support by bracing frame, the other end of described preloading spring and the inner face of support portion offset;
Printhead, is located at the outer face, support portion of aforementioned bracing frame; And
Flexible PCB, is connected to aforementioned printhead side.
3. thermal printer according to claim 1, is characterized in that described drive division outer face is formed with projection, can drive connecting portion displacement under this projection rotary state.
4. thermal printer according to claim 3, it is characterized in that, in described support, there is a storage tank, the drive division of described spanner is arranged in this storage tank, and the outer wall interval, front end of described drive division is furnished with two stoppers coordinating spacing with the sidepiece of storage tank.
5. thermal printer according to claim 4, is characterized in that longitudinally forming a gathering sill in the middle part of described storage tank, accordingly, has the guide pad of a projection in the middle part of described drive division.
6. thermal printer according to claim 5, it is characterized in that the middle part of described drive division is provided with one near guide pad and has flexible wedge shape buckle, described drive division runs through and coordinates this wedge shape buckle by the side opening of support and be located on support by spanner.
7. thermal printer according to claim 1, it is characterized in that described support both sides form linking arm respectively, front end is bent downwardly the position-arresting part being formed with and leaning with support, and described rubber roll can be located on aforementioned linking arm rotationally, described support front end has the resettlement groove that a glue feeding roller is arranged, be convexly equipped with two dividing plates respectively near resettlement groove two madial wall inside this resettlement groove, between this dividing plate and madial wall of resettlement groove, form the gap arranged for connecting portion and linking arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652199.1U CN204322748U (en) | 2014-11-04 | 2014-11-04 | A kind of thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652199.1U CN204322748U (en) | 2014-11-04 | 2014-11-04 | A kind of thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204322748U true CN204322748U (en) | 2015-05-13 |
Family
ID=53159143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420652199.1U Withdrawn - After Issue CN204322748U (en) | 2014-11-04 | 2014-11-04 | A kind of thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204322748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369546A (en) * | 2014-11-04 | 2015-02-25 | 宁波精芯科技有限公司 | Thermal printer |
| CN107150508A (en) * | 2017-07-11 | 2017-09-12 | 宁波精芯科技有限公司 | Thermal sensitive label printer |
-
2014
- 2014-11-04 CN CN201420652199.1U patent/CN204322748U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369546A (en) * | 2014-11-04 | 2015-02-25 | 宁波精芯科技有限公司 | Thermal printer |
| CN104369546B (en) * | 2014-11-04 | 2015-12-02 | 宁波精芯科技有限公司 | A kind of thermal printer |
| CN107150508A (en) * | 2017-07-11 | 2017-09-12 | 宁波精芯科技有限公司 | Thermal sensitive label printer |
| CN107150508B (en) * | 2017-07-11 | 2018-09-04 | 宁波精芯科技有限公司 | Thermal sensitive label printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150513 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |