CN201559369U - Color tape driving mechanism of printer and color tape printer - Google Patents
Color tape driving mechanism of printer and color tape printer Download PDFInfo
- Publication number
- CN201559369U CN201559369U CN2009202641851U CN200920264185U CN201559369U CN 201559369 U CN201559369 U CN 201559369U CN 2009202641851 U CN2009202641851 U CN 2009202641851U CN 200920264185 U CN200920264185 U CN 200920264185U CN 201559369 U CN201559369 U CN 201559369U
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- printer
- gear
- colour band
- driving shaft
- output
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Abstract
The utility model provides a color tape driving mechanism of a printer, which comprises a box body, a shaft which can rotatably support in the box body, a gear shaft formed by a coaxially arranged transmission gear for receiving the transmission force of the printer and an output driving shaft with a coaxially arranged output gear. The output gear is engaged with the transmission gear in a separation and reunion way; the bottom of the output driving shaft is provided with a shaft hole; a guide pillar is fixed on the box body and is inserted in the shaft hole; a spring is sheathed on the exterior of the guide pillar and is placed in the shaft hole; the head of the output driving shaft is provided with a conical fillet; and the interior of the color tape driving gear is provided with a conical groove matched with the conical fillet. The utility model also provides a color tape printer with the color tape driving mechanism. The utility model can automatically realize the over-load protection, has stable function and simple structure and is easily realized.
Description
Technical field
The utility model relates to a kind of colour band driving mechanism and colour band printer of printer, specifically, relates to a kind of colour band driving mechanism of the printer with automatic unloading structure, protection printer driver axle and has the colour band printer of this colour band driving mechanism.
Background technology
At present, most of colour band printer and colour band driving mechanism thereof all do not have the device or the function of torque overload protection, and the structure of such colour band printer generally comprises transmission mechanism, controlling organization, paper advance mechanism and colour band driving mechanism.
Referring to Fig. 1, this is the schematic diagram of an existing colour band driving mechanism, the travelling gear 3 ' of colour band driving mechanism receives the driving force of printer, and pass to output gear 4, output driving shaft 5, and by of the colour band driven wheel output of output shaft head to ribbon cartridge, thereby realize driving to printer color tape, this type of colour band printer is when work, if colour band occurs unusual, for example: when the colour band core is involved in the ribbon cartridge gear, the colour band core can encase the ribbon cartridge gear, stifled band or cassette tape phenomenon occur, thereby stops the ribbon cartridge gear to rotate; This phenomenon generally can in time not found by the user and be got rid of in the colour band printer course of work.Along with further going forward one by one of print progress, to continue to act on the driving shaft of printer owing to the colour band core is involved in the torsion that the ribbon cartridge gear increases, when torsion surpasses the intensity of driving shaft, kibe will take place or twist off in driving shaft, cause the damage of printer, make the printer cisco unity malfunction.For overcoming the above problems; some manufacturers by design ribbon cartridge driven wheel can with the gear that is meshed between produce the scheme of skidding and realize automatic protection the printer driving shaft; attempt to solve problems such as printer driver axle kibe; yet this structure can only overcome the torque overload that causes because of the reason of ribbon cartridge own; and can not fundamentally solve owing to torque overload that reason causes such as other external interventions, manual operation be improper; simultaneously; it is bigger to produce the ribbon cartridge driving mechanism difficulty that meets above-mentioned functions, may realize hardly.
Summary of the invention
Main purpose of the present utility model provides a kind of printer color tape driving mechanism with automatic unloading structure;
Another purpose of the present utility model provides a kind of colour band printer with automatic unloading structure colour band driving mechanism.
For achieving the above object, the technical solution of the utility model is:
The printer color tape driving mechanism, comprise casing, be used to receive the gear shaft that the travelling gear of printer driving force constitutes, output driving shaft with output gear of a coaxial setting by what be rotatably supported in axle in the described casing and coaxial setting, but described output gear and the engagement of described travelling gear clutch ground, described output driving shaft bottom has axis hole, one lead is fixed on casing and stretches in the described axis hole, one spring housing is connected on outside the described lead and places described axis hole, and described output driving shaft head is provided with rib.
Its further technical scheme is: described rib is the big taper rib of top little root.
Its another technical scheme provides a kind of colour band printer, this colour band printer comprises the word car and the transmission mechanism thereof that laterally move that is used to load printhead and realizes printhead, be used to control the print needle controlling organization that print needle goes out pin and narrowing, be used to drive the colour band driving mechanism of colour band, be used to realize the paper advance mechanism that vertically moves of printer, described colour band driving mechanism comprises casing, be used to receive the gear shaft that the travelling gear of printer driving force constitutes by what be rotatably supported in axle in the described casing and coaxial setting, output driving shaft with output gear of a coaxial setting, but described output gear and the engagement of described travelling gear clutch ground, described output driving shaft bottom has axis hole, one lead is fixed on casing and stretches in the described axis hole, one spring housing is connected on outside the described lead and places described axis hole, and described output driving shaft head is provided with rib.
Its further technical scheme is: described rib is the big taper rib of top little root.
Because adopt above structure, the printer color tape driving mechanism and the colour band printer of the utility model have the following advantages:
One. realize the automatic unloading protecting of output driving shaft:
When using printer of the present utility model to work; when colour band occurs stoping the colour band gear drive unusually; the torsion that increases can increase the pressure toward the output driving shaft direction simultaneously; order about output driving shaft toward the lower compression spring; make output gear break away from the engagement of travelling gear; the head of output driving shaft breaks away from the rib in the colour band driven wheel simultaneously, realizes the effect of automatic unloading protecting, thereby the driving shaft of protection printer is not damaged.
Two. function-stable:
At the utility model by to the architecture advances of printer self driving mechanism, realize that gear drive disengaging protection and the transmission of driving shaft head break away from the dual mechanism that protects and protect driving shaft: adopt spring and separate type output driving shaft to realize overload protection by axial compressive force, simultaneously, conical socket in the conical nose of output driving shaft and the colour band driven wheel is realized overload protection by axial compressive force, both increase disengaging intensity, be beneficial to output driving shaft again and the colour band driven wheel breaks away from transmission fast; Overload protection function is stable, has guaranteed the operate as normal of printer.
Three. simple in structure, be easy to realize.
Description of drawings
Fig. 1 is the structural representation of existing printer color tape driving mechanism;
Fig. 2 is the view of the utility model colour band driving mechanism first embodiment operate as normal, also shows colour band driven wheel on the ribbon cartridge that does not belong to first embodiment with double dot dash line among the figure;
Fig. 3 is the view of the utility model colour band driving mechanism first embodiment when being in overload protection;
Fig. 4 is the output driving shaft head partial structurtes among the utility model colour band driving mechanism first embodiment and the structure enlarged drawing of the colour band driven wheel on ribbon cartridge.
The utility model is described in further detail below in conjunction with each embodiment and accompanying drawing thereof.
The 1-casing, 2-gear shaft, 3-axle, 3 '-travelling gear, 4-output gear, 5-output driving shaft, 51-output driving shaft head, 6-spring, 7-lead, 8-colour band driven wheel, 9-taper rib, 10-conical socket.
The specific embodiment
Colour band driving mechanism first embodiment:
Referring to Fig. 2, comprise casing 1 according to printer color tape driving mechanism of the present utility model, gear shaft 2, output gear 4, output driving shaft 5 with output gear 4 coaxial settings, spring 6 and lead 7, gear shaft 2 is made of axle 3 and travelling gear 3 ', axle 3 is rotatably supported in the described casing 1, be used to receive the travelling gear 3 ' and axle 3 coaxial settings of printer driving force, but output gear 4 and the engagement of travelling gear 3 ' clutch ground, output driving shaft 5 bottoms have axis hole, lead 7 is fixed on casing 1 and stretches in the described axis hole, spring 6 is socketed in outside the described lead 7 and places described axis hole, output driving shaft 5 passes relative casing 1 axial float of Kong Bingke on the casing 1, output driving shaft head 51 has the big taper rib 9 of top little root, colour band driven wheel endoporus then designs the conical socket 10 that matches with the taper rib 9 of output driving shaft head 51, colour band driven wheel 8 can be socketed on the output driving shaft head 51 and with output driving shaft head 51 between by cooperating of taper rib 9 and conical socket 10 realizing transmitting moment of torsion.
Colour band occurs when unusual in the printer course of work, be involved in colour band driven wheel 8 as belt carcass, colour band driven wheel 8 is encased, stop colour band driven wheel 8 to rotate, the torsion that increases will continue to act on the output driving shaft 5 of printer, and the torsion that increase this moment can increase by one simultaneously along output driving shaft 5 axial downward pressure F.
Referring to Fig. 3, as pressure F during greater than the restoring force of spring 6, output driving shaft 5 will be descending along lead 7 toward lower compression spring 6, when pressure F reaches certain value, output gear 4 will break away from the engagement with travelling gear 3 ', make output gear 4 and travelling gear 3 ' be in released state, realize overload protection; Simultaneously; output driving shaft head 51 is owing to there is taper rib 9; this taper rib 9 is under the effect of pressure F; the conical socket 10 that breaks away from colour band driven wheel 8 inside; make output driving shaft head 51 and colour band driven wheel 8 be in released state; realize unloading protecting, make the output driving shaft 5 of printer not be damaged.
Colour band driving mechanism second embodiment:
As another embodiment of the present utility model, taper rib 9 can also be existing cylindricality rib, promptly be to adopt following structure: the printer color tape driving mechanism comprises casing 1, gear shaft 2, output gear 4, output driving shaft 5 with output gear 4 coaxial settings, spring 6 and lead 7, gear shaft 2 is made of axle 3 and travelling gear 3 ', axle 3 is rotatably supported in the described casing 1, be used to receive the travelling gear 3 ' and axle 3 coaxial settings of printer driving force, but output gear 4 and the engagement of travelling gear 3 ' clutch ground, output driving shaft 5 bottoms have axis hole, lead 7 is fixed on casing 1 and stretches in the described axis hole, spring 6 is socketed in outside the described lead 7 and places described axis hole, output driving shaft 5 passes relative casing 1 axial float of Kong Bingke on the casing 1, output driving shaft head 51 has the cylindricality rib, colour band driven wheel endoporus then designs the cylindrical groove that matches with the cylindricality rib of output driving shaft head 51, colour band driven wheel 8 can be socketed on the output driving shaft head 51 and with output driving shaft head 51 between by cooperating of cylindricality rib and cylindrical groove realizing transmitting moment of torsion.Said structure equally also can be realized goal of the invention of the present utility model, but the effect of protection output driving shaft and stability are not as first embodiment.
Colour band printer first embodiment:
The colour band printer comprises word car and transmission mechanism, print needle controlling organization, colour band driving mechanism and paper advance mechanism, word car and transmission mechanism thereof are used to load printhead and realize laterally moving of printhead, the print needle controlling organization is used to control print needle and goes out pin and narrowing, the colour band driving mechanism is used to drive colour band, and paper advance mechanism is used to realize vertically moving of printer; The colour band driving mechanism of colour band printer is two embodiment as the aforementioned, comprise casing 1, gear shaft 2, output gear 4, output driving shaft 5 with output gear 4 coaxial settings, spring 6 and lead 7, gear shaft 2 is made of axle 3 and travelling gear 3 ', axle 3 is rotatably supported in the described casing 1, be used to receive the travelling gear 3 ' and axle 3 coaxial settings of printer driving force, but output gear 4 and the engagement of travelling gear 3 ' clutch ground, output driving shaft 5 bottoms have axis hole, lead 7 is fixed on casing 1 and stretches in the described axis hole, spring 6 is socketed in outside the described lead 7 and places described axis hole, output driving shaft 5 passes relative casing 1 axial float of Kong Bingke on the casing 1, output driving shaft head 51 has the big taper rib 9 of top little root, colour band driven wheel endoporus then designs the conical socket 10 that matches with the taper rib 9 of output driving shaft head 51, colour band driven wheel 8 can be socketed on the output driving shaft head 51 and with output driving shaft head 51 between by cooperating of taper rib 9 and conical socket 10 realizing transmitting moment of torsion.
Colour band printer second embodiment:
Basic identical according to colour band printer second embodiment of the present utility model and first embodiment, not existing together is to have adopted colour band driving mechanism second embodiment.
The utility model is not limited to the various embodiments described above, and other also should be included in the protection domain of the utility model claim based on technical solutions of the utility model and without prejudice to the structural change of the present utility model purpose.
Claims (4)
1. printer color tape driving mechanism comprises:
Casing (1);
Gear shaft (2) is by spool (3) and travelling gear (the 3 ') formation that is used to receive the printer driving force of coaxial setting that are rotatably supported in the described casing (1);
Output driving shaft (5) has the output gear (4) of a coaxial setting, described output gear (4) with described travelling gear (3 ') but the engagement of clutch ground;
It is characterized in that:
Described output driving shaft (5) bottom has axis hole;
Lead (7), it is fixed on casing (1) and stretches in the described axis hole;
Spring (6) is socketed in outside the described lead (7) and places described axis hole;
Described output driving shaft (5) head (51) is provided with rib.
2. printer color tape driving mechanism according to claim 1 is characterized in that:
Described rib is the big taper rib (9) of top little root.
3. colour band printer comprises:
Word car and transmission mechanism thereof: be used to load printhead and realize laterally moving of printhead;
Print needle controlling organization: be used to control print needle and go out pin and narrowing;
Colour band driving mechanism: be used to drive colour band;
Paper advance mechanism: be used to realize vertically moving of printer;
It is characterized in that:
Described colour band driving mechanism comprises:
Casing (1);
Gear shaft (2) is by spool (3) and travelling gear (the 3 ') formation that is used to receive the printer driving force of coaxial setting that are rotatably supported in the described casing (1);
Output driving shaft (5) has the output gear (4) of a coaxial setting, described output gear (4) with described travelling gear (3 ') but the engagement of clutch ground;
Described output driving shaft (5) bottom has axis hole;
Lead (7), it is fixed on casing (1) and stretches in the described axis hole;
Spring (6) is socketed in outside the described lead (7) and places described axis hole;
Described output driving shaft (5) head (51) is provided with rib.
4. colour band printer according to claim 3 is characterized in that:
Described rib is the big taper rib (9) of top little root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202641851U CN201559369U (en) | 2009-11-27 | 2009-11-27 | Color tape driving mechanism of printer and color tape printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202641851U CN201559369U (en) | 2009-11-27 | 2009-11-27 | Color tape driving mechanism of printer and color tape printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201559369U true CN201559369U (en) | 2010-08-25 |
Family
ID=42624515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202641851U Expired - Fee Related CN201559369U (en) | 2009-11-27 | 2009-11-27 | Color tape driving mechanism of printer and color tape printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201559369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317868A (en) * | 2013-06-28 | 2013-09-25 | 上海宜达胜电脑用品有限公司 | Ribbon cartridge internal gear structure protecting main shaft of printer |
| CN108569048A (en) * | 2017-03-13 | 2018-09-25 | 鸿富锦精密工业（深圳）有限公司 | The printer of transmission component and the application transmission component |
-
2009
- 2009-11-27 CN CN2009202641851U patent/CN201559369U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317868A (en) * | 2013-06-28 | 2013-09-25 | 上海宜达胜电脑用品有限公司 | Ribbon cartridge internal gear structure protecting main shaft of printer |
| CN103317868B (en) * | 2013-06-28 | 2016-11-23 | 上海宜达胜电脑用品有限公司 | A kind of ribbon cartridge internal gear structure protecting printer main shaft |
| CN108569048A (en) * | 2017-03-13 | 2018-09-25 | 鸿富锦精密工业（深圳）有限公司 | The printer of transmission component and the application transmission component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181127 |