CN205220069U - Printer with exit slot self -adaptation elastic locating structure - Google Patents
Printer with exit slot self -adaptation elastic locating structure Download PDFInfo
- Publication number
- CN205220069U CN205220069U CN201520950129.9U CN201520950129U CN205220069U CN 205220069 U CN205220069 U CN 205220069U CN 201520950129 U CN201520950129 U CN 201520950129U CN 205220069 U CN205220069 U CN 205220069U
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- regulating part
- printer
- printer head
- exit slot
- setting
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Abstract
The utility model discloses a printer with exit slot self -adaptation elastic locating structure, including lower casing, go up casing, dancer roll, head subassembly and beat printer head adjusting device, go up the casing and rotationally install on casing down, the dancer roll is rotatably installed under on the casing, the head subassembly includes installs the printer head bracket component on last casing, beats the printer head support through spring and printer head bracket component swing joint to and set firmly having on beating the printer head support and generate heat the heat of unit and beat printer head, beat printer head adjusting device including can descending casing pivoted regulating part relatively, the periphery of regulating part is equipped with the vary tooth portion of length of range adjustment spare center of rotation, it is equipped with the draw -in groove with the tooth matched with of portion on the printer head support to beat. The utility model discloses can be based on the thickness of beating printing paper and adjust the position that printer head was beaten to heat, the messenger beats printing paper and hugs closely suitably with the unit that generates heat that printer head was beaten to heat, guarantees the print quality to can prevent that heat from beating printer head and generate heat excessively, and simple structure, low in production cost.
Description
Technical field
The utility model relates to printer, particularly a kind of printer with exit slot self adaptation elastic positioning structure.
Background technology
Have the printer of thermal printer head, printing paper is interposed between air roll and thermal printer head, realizes printing by heat hot printhead in the process of fed printing sheet.In order to realize the printing of high-quality, need the heat-generating units of thermal printer head and printing paper are suitably close to.
The printer of existing the type, often be only applicable to the printing paper printing specific standard thickness, when printing the printing paper outside specific standard thickness, by the impact of printing paper thickness and toughness, the position of thermal printer head can change relative to the position of air roll, make printing paper can not reach suitable being close at the correct position of heat-generating units, not only can affect print quality, and thermal printer head over-heating can be caused and affect its service life.
In order to solve the problem, publication number is the Chinese patent of CN102145589, discloses a kind of thermal printer, and this thermal printer can make paper using and heat-generating units arrange according to the thickness of paper using used suitably to be close to.Its formation is, possesses the thermal printer head mechanism that relative case frame is detachable, possesses the air roll mechanism that opposing body's framework is detachable, there is the structure of thermal printer head mechanism and air roll separate from mechanism, and, by ladder pin adjustment part, the position of ladder pin is changed, make to be fastened on attitude (inclination) change of the thermal printer head mechanism on ladder pin, thus according to the thickness of heat sensitive paper, heat sensitive paper and heat-generating units are arranged suitably to be close to.This structure is closed notch by the pin card in the cam of the elongated hole on ladder pin adjustment part, elongated hole edge, ladder pin, thermal printer head mechanism and is matched and realize the position adjustments of thermal printer head mechanism, and structure is extremely complicated, and production cost is high.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of printer with exit slot self adaptation elastic positioning structure, and it can regulate the position of thermal printer head according to the thickness of printing paper, make the heat-generating units of printing paper and thermal printer head be close to suitably, and its structure is simple, production cost is low.
The utility model solves the technical scheme that its technical problem adopts:
There is a printer for exit slot self adaptation elastic positioning structure, comprising:
Lower house;
Upper shell, is installed on lower house rotationally;
Air roll, is rotatably installed on lower house;
Head assembly, comprises the print head bracket assembly be installed on upper shell, the printing head support part be connected with print head bracket component activity by spring, and is installed in the thermal printer head with heat-generating units on printing head support part;
Printhead adjusting device, comprises the regulating part that can rotate relative to lower house, and the periphery of described regulating part is provided with the teeth portion of distance adjustment part center of rotation unequal length, and described printing head support part is provided with the draw-in groove matched with teeth portion.
As the improvement of technique scheme, described regulating part be provided with between lower house when teeth portion and draw-in groove match the location structure that regulating part positions.
As the further improvement of technique scheme, described location structure comprises the switch arm be located on regulating part, is located at the lug boss of switch arm free end, and is located at the locating hole with raised portion fits on lower house.
Further, described location structure comprises the screwed hole be located on lower house, and passes the securing member of regulating part and screw hole.
Further, described regulating part is set in the side of air roll rotationally.
Further, described lower house is provided with the setting-in circular groove being embedded described regulating part, described regulating part is provided with the notched setting-in cylindrical portion coordinated with setting-in circular groove, and the upper end of described setting-in circular groove offers and supplies that setting-in cylindrical portion passes in and out, that its width is less than setting-in circular groove diameter import and export.
Further, described regulating part is all provided with along setting-in cylindrical portion radial convex the spacing preiection moved along setting-in circular groove axis direction for limiting regulating part in the both sides of setting-in cylindrical portion.
Further, described printing head support part is provided with the spring fitting groove for mounting spring.
Further, the spring socket part for being socketed spring is convexly equipped with in described spring fitting groove.
The beneficial effects of the utility model are: the utility model is flexibly connected by spring with between print head bracket assembly owing to being installed with the printing head support part of thermal printer head, and be provided with the regulating part that can rotate relative to lower house, regulating part arranges the teeth portion of distance adjustment part center of rotation unequal length, match with the draw-in groove on printing head support part, during the different paper of print thickness, by rotating regulating part, the teeth portion of different length on regulating part is made to snap in draw-in groove, and then realize printing head support part and the movement of thermal printer head on above-below direction and fore-and-aft direction, thus the position of thermal printer head can be adjusted to the position that heat-generating units and printing paper be suitably close to, ensure print quality, and prevent thermal printer head from generating heat excessively, extend the service life of thermal printer head, simultaneously, the utility model structure is simple, production cost is low, easy to adjust.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model under upper shell open mode;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is sectional view of the present utility model;
Fig. 4 and Fig. 5 respectively illustrates the utility model structural representation that regulating part, air roll, paper, thermal printer head and printing head support part match when printing thin paper and ground paper;
Fig. 6 shows the decomposing schematic representation of regulating part, air roll and gear assembly structure in the utility model.
Detailed description of the invention
Be described in further detail the utility model below in conjunction with drawings and Examples, the direction of arrow in Fig. 5 represents the direction of motion of printing head support part and thermal printer head.
Referring to figs. 1 through Fig. 6, a kind of printer with exit slot self adaptation elastic positioning structure of the present utility model, comprises lower house 1, upper shell 2, air roll 3, head assembly 4 and printhead adjusting device.Described upper shell 2 is installed on lower house 1 rotationally.Described air roll 3 is rotatably installed on lower house 1, and for driving printing paper to advance, air roll 3 side is fixed with the gear 6 transmitting power.Described head assembly 4 comprises the print head bracket assembly 41 be installed on upper shell 2, the printing head support part 42 be flexibly connected with print head bracket assembly 41 by spring 44, and is installed in the thermal printer head 43 with heat-generating units on printing head support part 42.Described spring 44 is crimped onto air roll 3 for ordering about thermal printer head 43, it is arranged between print head bracket assembly 41 and printing head support part 42, particularly, described print head bracket assembly 41 is provided with print head spring support 40, and described spring 44 is arranged between print head spring support 40 and printing head support part 42.By the elastic reaction of spring 44, can according to the gap between the thickness Automatic adjusument thermal printer head 43 of printing paper and air roll 3.In order to location and installation spring 44, described printing head support part 42 is provided with the spring fitting groove 421 for mounting spring 44.In order to better retainer spring 44, guaranteeing the force application location of spring 44 on printing head support part 42, in described spring fitting groove 421, being convexly equipped with the spring socket part 422 for being socketed spring 44.Preferably, described spring fitting groove 421 is provided with several, and the width (consistent with the axis direction of air roll 3) along printing head support part 42 is spaced apart, can according to actual service condition mounting spring 44 in all or part of spring fitting groove 421.In the present embodiment, described spring fitting groove 421 is provided with 3, and spring 44 number of described use can be chosen between 1 to 3.
Described printhead adjusting device comprises the regulating part 5 that can rotate relative to lower house 1, and the periphery of described regulating part 5 is provided with the teeth portion 51 of distance adjustment part 5 center of rotation unequal length, and described printing head support part 42 is provided with the draw-in groove 420 matched with teeth portion 51.
Printing head support part 42 of the present utility model is flexibly connected with print head bracket assembly 41 by spring 44, during the different paper of print thickness, by rotating regulating part 5, in the draw-in groove 420 that the teeth portion 51 of different length on regulating part 5 is snapped on printing head support part 42, and then realize printing head support part 42 and the movement of thermal printer head 43 on above-below direction and fore-and-aft direction, thus the position of thermal printer head 43 can be adjusted to the position that heat-generating units and printing paper be suitably close to, ensure print quality, and prevent thermal printer head 43 from generating heat excessively, extend the service life of thermal printer head 43, simultaneously, the utility model structure is simple, production cost is low, easy to adjust.
Thermal printer head 43 is driven to depart from teeth portion 51 when advancing under the driving of air roll 3 to prevent printing paper, thermal printer head 43 is caused to conjugate in printing paper traveling process and affect print quality, in the present embodiment, described regulating part 5 be provided with location structure regulating part 5 positioned when teeth portion 51 and draw-in groove 420 match between lower house 1.Certainly, the utility model also replaces location structure by arranging damping structure between regulating part 5 and lower house 1, prevents thermal printer head 43 from conjugating in printing paper traveling process.
Particularly, described location structure comprises the switch arm 52 be located on regulating part 5, is located at the lug boss 521 of switch arm 52 free end, and is located at the locating hole 10 that lower house 1 coordinates with lug boss 521.Each teeth portion 51 on the corresponding regulating part of described lower house 15 is equipped with a locating hole 10, snaps in locating hole 10 by the lug boss 521 on switch arm 52, thus makes corresponding teeth portion 51 be positioned at the position with the clamping of draw-in groove 420 phase, ensures print quality.In this specific embodiment, described teeth portion 51 is provided with two, but does not limit.When regulating thermal printer head 43 position, only need operate switch arm 52, the lug boss 521 on switch arm 52 is made to deviate from locating hole 10, rotate switch arm 52 again, regulating part 5 is rotated, when corresponding teeth portion 51 snaps in draw-in groove 420, the lug boss 521 on switch arm 52 is made to snap in corresponding locating hole 10, simple to operation.Certainly, above-mentioned just preferred embodiment, described location structure also can adopt following structure to replace: described location structure comprises the screwed hole be located on lower house 1, and through the securing member of regulating part 5 with screw hole, by securing member was realized locating with coordinating of screwed hole.
In the present embodiment, described regulating part 5 is set in the side of air roll 3 rotationally, takes full advantage of the side space of air roll 3, takes up room little, be beneficial to the miniaturization of printer; And, can ensure that printing head support part 42 and thermal printer head 43 conjugate along the circumferencial direction of air roll 3, make no matter printing paper difference in thickness how, the heat-generating units of printing paper and thermal printer head 43 all can be made to keep suitably being close to, raising print quality.Consider that the heat-generating units of thermal printer head 43 is along the longer dimension on air roll 3 axis direction, in adjustment process, the skew outside making a reservation for is there is in order to prevent thermal printer head 43, described regulating part 5 is provided with two, two regulating parts 5 are set in the two ends of air roll 3 respectively, guarantee that thermal printer head 43 is along the position consistency on air roll 3 axis direction.
Further, described lower house 1 is provided with the setting-in circular groove 11 being embedded described regulating part 5, described regulating part 5 is provided with the notched setting-in cylindrical portion 53 coordinated with setting-in circular groove 11, and the upper end of described setting-in circular groove 11 offers and supplies that setting-in cylindrical portion 53 passes in and out, that its width is less than setting-in circular groove 11 diameter import and export 12.This structure is supported on lower house 1 by regulating part 5 due to air roll 3, by dismounting regulating part 5 i.e. replaceable air roll 3, during dismounting regulating part 5, only need hand rotation regulating part 5, the setting-in cylindrical portion 53 on it is made to rotate to the import and export 12 by setting-in circular groove 11, regulating part 5 can be embedded or deviate from setting-in circular groove 11, without the need to by instrument, convenient to operation.Further, conveniently regulating part 5 axially (along air roll 3 axis direction) location, when guaranteeing that upper shell 2 moves to closing position, teeth portion 51 and draw-in groove 420 are accurate along the contraposition of air roll 3 axis direction, and described regulating part 5 is all provided with along setting-in cylindrical portion 53 radial convex the spacing preiection 54 moved along setting-in circular groove 11 axis direction for limiting regulating part 5 in the both sides of setting-in cylindrical portion 53.
Certainly, the utility model, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should within its protection domain.
Claims (9)
1. there is a printer for exit slot self adaptation elastic positioning structure, it is characterized in that, comprising:
Lower house (1);
Upper shell (2), is installed on lower house (1) rotationally;
Air roll (3), is rotatably installed on lower house (1);
Head assembly (4), comprise the print head bracket assembly (41) be installed on upper shell (2), by the printing head support part (42) that spring (44) is flexibly connected with print head bracket assembly (41), and be installed in the thermal printer head (43) with heat-generating units on printing head support part (42);
Printhead adjusting device, comprise the regulating part (5) that can rotate relative to lower house (1), the periphery of described regulating part (5) is provided with the teeth portion (51) of distance adjustment part (5) center of rotation unequal length, and described printing head support part (42) is provided with the draw-in groove (420) matched with teeth portion (51).
2. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 1, is characterized in that: be provided with the location structure positioned regulating part (5) when teeth portion (51) and draw-in groove (420) match between described regulating part (5) with lower house (1).
3. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 2, it is characterized in that: described location structure comprises the switch arm (52) be located on regulating part (5), be located at the lug boss (521) of switch arm (52) free end, and be located at the upper locating hole (10) coordinated with lug boss (521) of lower house (1).
4. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 2, is characterized in that: described location structure comprises the screwed hole be located on lower house (1), and through the securing member of regulating part (5) with screw hole.
5. a kind of printer with exit slot self adaptation elastic positioning structure according to any one of Claims 1-4, is characterized in that: described regulating part (5) is set in the side of air roll (3) rotationally.
6. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 5, it is characterized in that: described lower house (1) is provided with the setting-in circular groove (11) being embedded described regulating part (5), described regulating part (5) is provided with the notched setting-in cylindrical portion (53) coordinated with setting-in circular groove (11), and the upper end of described setting-in circular groove (11) offers and supplies that setting-in cylindrical portion (53) passes in and out, that its width is less than setting-in circular groove (11) diameter import and export (12).
7. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 6, is characterized in that: described regulating part (5) is all provided with along setting-in cylindrical portion (53) radial convex the spacing preiection (54) moved along setting-in circular groove (11) axis direction for limiting regulating part (5) in the both sides of setting-in cylindrical portion (53).
8. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 1, is characterized in that: described printing head support part (42) is provided with the spring fitting groove (421) for mounting spring (44).
9. a kind of printer with exit slot self adaptation elastic positioning structure according to claim 8, is characterized in that: be convexly equipped with the spring socket part (422) for being socketed spring (44) in described spring fitting groove (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950129.9U CN205220069U (en) | 2015-11-24 | 2015-11-24 | Printer with exit slot self -adaptation elastic locating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950129.9U CN205220069U (en) | 2015-11-24 | 2015-11-24 | Printer with exit slot self -adaptation elastic locating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220069U true CN205220069U (en) | 2016-05-11 |
Family
ID=55895159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520950129.9U Withdrawn - After Issue CN205220069U (en) | 2015-11-24 | 2015-11-24 | Printer with exit slot self -adaptation elastic locating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205220069U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365401A (en) * | 2015-11-24 | 2016-03-02 | 江门市得实计算机外部设备有限公司 | Printer with paper outlet self-adaption elastic positioning structure |
| CN108909189A (en) * | 2018-07-26 | 2018-11-30 | 深圳怡化电脑股份有限公司 | A kind of printing equipment |
| CN113135047A (en) * | 2021-05-12 | 2021-07-20 | 重庆品胜科技有限公司 | Label printer |
| CN114030299A (en) * | 2021-09-30 | 2022-02-11 | 厦门汉印电子技术有限公司 | Printing device |
-
2015
- 2015-11-24 CN CN201520950129.9U patent/CN205220069U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365401A (en) * | 2015-11-24 | 2016-03-02 | 江门市得实计算机外部设备有限公司 | Printer with paper outlet self-adaption elastic positioning structure |
| CN108909189A (en) * | 2018-07-26 | 2018-11-30 | 深圳怡化电脑股份有限公司 | A kind of printing equipment |
| CN113135047A (en) * | 2021-05-12 | 2021-07-20 | 重庆品胜科技有限公司 | Label printer |
| CN114030299A (en) * | 2021-09-30 | 2022-02-11 | 厦门汉印电子技术有限公司 | Printing device |
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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: 20160511 Effective date of abandoning: 20170322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |