CN215243897U - Carbon ribbon spool anti-rollback structure and carbon ribbon box - Google Patents
Carbon ribbon spool anti-rollback structure and carbon ribbon box Download PDFInfo
- Publication number
- CN215243897U CN215243897U CN202120339993.0U CN202120339993U CN215243897U CN 215243897 U CN215243897 U CN 215243897U CN 202120339993 U CN202120339993 U CN 202120339993U CN 215243897 U CN215243897 U CN 215243897U
- Authority
- CN
- China
- Prior art keywords
- carbon ribbon
- carbon
- shell
- shaft
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 147
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
The utility model provides a carbon ribbon axle anti-rollback structure and a carbon ribbon box, which comprises a shell and a carbon ribbon axle arranged in the shell, wherein a rotation stopping structure is arranged on the carbon ribbon axle along the circumferential direction, a metal elastic element is arranged on the shell, and the metal elastic element is clamped into the rotation stopping structure to limit the circumferential rotation of the carbon ribbon axle; or the shell is provided with an elastic assembly, the elastic assembly comprises a clamp and a spring, and the spring presses the clamp to the rotation stopping structure to limit the circumferential rotation of the carbon belt shaft. The utility model discloses, adopt metal elastic element, perhaps the combination of spring and checkpost carries out the chucking to the carbon ribbon axle, because spring or metal elastic element have better elastic recovery ability, the elasticity that provides can be stable keep spacing to the circumference of carbon ribbon axle, even extrusion part in the frame also can guarantee to reset and the chucking carbon ribbon axle again after it extrudees.
Description
Technical Field
The utility model belongs to the technical field of the printer, concretely relates to carbon ribbon axle prevents backspacing structure and carbon ribbon box.
Background
A carbon tape cartridge (ribbon cartridge) generally includes a housing, and a carbon tape supply end and a recovery end mounted in the housing, both of the supply end and the recovery end being provided with a carbon tape shaft for supporting a wound carbon tape; the supply end is generally designed with an elastic structure which can be automatically tightened so as to tighten the carbon belt, and meanwhile, the shell is provided with a clamping structure to prevent the supply end from automatically rotating; the clamping structure of the traditional carbon ribbon box is generally a plastic clamp arranged on a shell, the clamp is clamped into a clamping groove of a carbon ribbon shaft at a supply end and is circumferentially limited, the carbon ribbon shaft is prevented from automatically rotating, and the elastic force of the clamp can be overcome under the action of external force to rotate the carbon ribbon shaft.
The carbon tape box belongs to printing consumables, needs to be stored or transported, and is then installed into a printer when printing is needed; in the transportation and storage process, the elastic plastic part is influenced by extrusion or other vibration and the like, and the constraint effect on the carbon ribbon shaft is easily lost.
After the carbon ribbon cartridge is installed in the printer, the jacking component on the printer frame can reversely extrude the clip to enable the clip to exit from the clamping groove of the carbon ribbon shaft, so that the constraint on the carbon ribbon shaft is released, and the carbon ribbon shaft is connected with the support shaft on the frame and can rotate along with the support shaft; however, when the clip is exposed to a high temperature environment or a change in temperature for a long time, the clip may be deformed or fail; moreover, after the clamp is installed on a printer, the jacking component can consistently press the clamp, and the clamp can deform and cannot reset after being pressed for a long time; after taking off the carbon ribbon box midway when printing, the unable restoring to the throne of checkpost can lead to the carbon ribbon supply end to tighten up automatically for the carbon ribbon rolls back to the supply end, when the printer of packing into again prints, can cause repeated printing, influences the printing quality.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art not enough, the utility model aims to provide a carbon ribbon axle prevents backspacing structure prevents that carbon ribbon axle from rotating in the carbon ribbon box is automatic, keeps spacing to the circumference of carbon ribbon axle.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a carbon ribbon shaft anti-rollback structure comprises a shell and a carbon ribbon shaft arranged in the shell, wherein a rotation stopping structure is arranged on the carbon ribbon shaft along the circumferential direction, a metal elastic element is arranged on the shell, and the metal elastic element is clamped into the rotation stopping structure to limit the circumferential rotation of the carbon ribbon shaft; or the shell is provided with an elastic assembly, the elastic assembly comprises a clamp and a spring, and the spring presses the clamp to the rotation stopping structure to limit the circumferential rotation of the carbon belt shaft.
Optionally, the rotation stopping structure is a plurality of clamping grooves or a plurality of clamping teeth arranged along the circumferential direction of the carbon ribbon shaft at intervals.
Optionally, the metal elastic element is a spring leaf or a spring wire; the spring is a spring piece or a spring wire.
Optionally, the tail part of the clip is connected with the shell, and the head part of the clip is suspended and clamped into the rotation stopping structure under the action of the spring; the metal elastic element is provided with a protruding part or a suspended part, and the protruding part or the suspended part is matched with the rotation stopping structure.
Optionally, a window for exposing one end of the carbon ribbon shaft connected with the rack is arranged on the shell, and the metal elastic element or the elastic component is arranged at the window and is located at the periphery of the carbon ribbon shaft.
Optionally, an avoiding space is provided on the housing, and when the metal elastic element or the elastic component is deformed by being squeezed reversely, the metal elastic element or the elastic component is avoided.
Optionally, an annular chuck is sleeved on the carbon belt shaft, and the rotation stopping structure is arranged on the chuck; or the rotation stopping structure and the carbon ribbon shaft are integrally formed and are arranged on the end surface or the peripheral surface of the carbon ribbon shaft.
Optionally, the housing is provided with a guide member for guiding the pressing member on the printer frame when pressing the metal elastic element or the elastic assembly.
The utility model also provides a carbon ribbon box, including carbon ribbon supply end and recovery end, supply end and recovery end all have the carbon ribbon axle, at least between the carbon ribbon axle of supply end and the carbon ribbon box casing the carbon ribbon axle prevent backspacing structure.
Optionally, the carbon ribbon shaft of the supply end and the carbon ribbon shaft of the recovery end are respectively in a retraction-preventing structure with the shell; a limiting structure used for axially limiting the supply end and the recovery end is arranged in the shell, and axial movable gaps are formed between the supply end and the recovery end and the shell respectively.
As mentioned above, the utility model has the advantages that: the utility model discloses, adopt metal elastic element, perhaps the combination of spring and checkpost carries out the chucking to the carbon ribbon axle, because spring or metal elastic element have better elastic recovery ability, the elasticity that provides can be stable keep spacing to the circumference of carbon ribbon axle, even extrusion part in the frame also can guarantee to reset and the chucking carbon ribbon axle again after it extrudees.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a partial view of FIG. 1;
FIG. 3 is a partial perspective view of FIG. 1;
FIG. 4 is a cross-sectional view of the carbon ribbon spool of example 1 installed in a housing;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is a partial view of FIG. 5;
FIG. 7 is a cross-sectional view of a carbon ribbon spindle and a chuck in example 2;
fig. 8 is a schematic view of the installation of the ribbon supply and recovery ends in the housing.
Part number description:
1-a shell; 11-a window; 12-avoiding space; 13-minor axis; 14-a mandrel; 15-a guide member; 16-a limiting part; 2-carbon tape spool; 21-bulge; 22-a baffle ring; 23-a convex rib; 24-a ribbon spool; 25-carbon tape roll; 3-a chuck; 31-latch; 32-a stop collar; 4-a clip; 5-a spring.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example 1
As shown in fig. 1 to 4, the carbon ribbon spool anti-rollback structure illustrated in this embodiment includes a housing 1 for mounting a supply end and a recovery end of a carbon ribbon, and a carbon ribbon spool 2 is disposed in the housing 1 for supporting the corresponding supply end or recovery end, wherein a rotation stop structure is disposed on the carbon ribbon spool 2 along a circumferential direction, an elastic assembly is disposed on the housing 1, and the elastic assembly includes a clip 4 and a spring 5, and the spring 5 presses the clip 4 to the rotation stop structure to limit rotation of the carbon ribbon spool 2 along its own axis.
In the traditional structure, the carbon ribbon shaft 2 is limited circumferentially only by the elastic clips 4 made of plastic (or non-metal materials), and the plastic materials are extruded for a long time and lose elasticity easily and cannot reset or the elasticity is insufficient to limit the rotation of the plastic materials; in this example, the spring 5 is arranged on the housing 1 to apply elastic force to the clip 4 made of plastic material, so that the clip is kept clamped into the rotation stopping structure, and can be reset through the spring 5 after being extruded, so that after the carbon ribbon cartridge is transported, stored or taken down from a printer, the elastic assembly can keep circumferential limitation on the carbon ribbon shaft 2, and the problem that the carbon ribbon shaft 2 automatically rotates to cause repeated printing of the carbon ribbon is solved.
Specifically, the rotation stopping structure may be a plurality of protrusions 21 arranged at intervals along the circumferential direction of the carbon ribbon shaft 2, and a groove is formed between adjacent protrusions 21, or a plurality of grooves are arranged on the carbon ribbon shaft 2 along the circumferential direction; the clamp 4 is of a cantilever structure and can be integrally injection-molded with the shell 1; the afterbody and the casing 1 of checkpost 4 are connected, and the head of checkpost 4 is unsettled, blocks into under the effect of spring 5 in the recess, spring 5 is spring leaf or spring wire etc. certainly also can be extension spring or pressure spring.
In another embodiment, the clip 4 may not be provided; install metal elastic element on the casing 1, metal elastic element card goes into the structure of splining, with the structure direct contact of splining, restricts the circumferential direction of carbon ribbon axle 2 along self axis, and when metal elastic element was relieved the restraint of splining the structure, carbon ribbon axle 2 can be followed self axis and rotated.
The metal elastic element is a spring piece or a spring wire and the like, the metal elastic element is provided with a protruding part or a suspending part, and the protruding part or the suspending part and a groove extending into the carbon belt shaft 2 limit the rotation of the carbon belt shaft 2.
In this example, the ribbon shaft 2 and the housing 1 at the supply end are locked in rotation by the above-described structure. The direction of the carbon belt shaft 2 for tightening the carbon belt is the direction shown by the arrow in fig. 2, and after the restraint of the spring 5 and the clamp 4 is released, the carbon belt shaft 2 can rotate; of course, under the condition that the constraint is not removed, the carbon belt shaft 2 is rotated by a hand in the arrow direction, and the carbon belt shaft 2 can be rotated by overcoming the elastic force of the spring 5 so as to be convenient for manually tightening the carbon belt.
A window 11 used for exposing the carbon belt shaft 2 is arranged on one side, used for connecting the rack, of the shell 1, one end, used for being connected with the rack, of the carbon belt shaft 2 is exposed from the window 11 (the end can be extended out of the window 11 or not), the carbon belt shaft 2 is a hollow shaft, and a convex rib 23 or transmission teeth used for transmitting torsion are arranged on the inner wall of the carbon belt shaft 2 so as to be connected with a supporting shaft of the rack and then drive the carbon belt shaft 2 to rotate; a metal spring element or spring assembly is provided at the window 11 and located at the periphery of the carbon ribbon spool 2, and a normal spring 5 presses the clip 4 into the recess of the carbon ribbon spool 2.
After the carbon ribbon cartridge is connected with the printer, the circumferential constraint of the spring 5 and the clamp 4 on the carbon ribbon shaft 2 needs to be removed, and at the moment, the extrusion component on the machine frame extrudes the spring 5 or the clamp 4 to enable the spring 5 or the clamp 4 to move reversely and withdraw from the groove of the carbon ribbon shaft 2; the housing 1 is thus provided with an escape space 12 into which the metal spring element or spring assembly is retracted when it is deformed by the pressing part in the opposite direction.
The rotation stopping structure is arranged on the end surface or the peripheral surface of the carbon ribbon shaft 2, and the protrusion 21 is arranged on the end surface of the end, connected with the frame, of the carbon ribbon shaft 2 and is integrally formed with the carbon ribbon shaft 2.
The embodiment also provides a carbon tape box, which comprises a carbon tape supply end and a recovery end which are arranged in the shell 1, wherein the supply end and the recovery end are both provided with carbon tape shafts 2, at least the supply end carbon tape shaft 2 adopts the anti-return structure, and the supply end carbon tape shaft 2 is axially limited in the shell 1 and has a movable gap in the axial direction so as to be capable of rotating along with a support shaft on a rack when the constraint is removed; as shown in fig. 4, a stop ring 22 is disposed at one end of the carbon ribbon shaft 2 for connecting with the rack, the stop ring 22 is stopped at the inner side of the window 11, and the other end of the carbon ribbon shaft 2 is coaxially supported on a short shaft 13 disposed on the inner wall of the housing 1, and has a radial gap with the short shaft 13.
Example 2
As shown in fig. 5 to 8, the present embodiment is different from embodiment 1 in that a ring-shaped chuck 3 is sleeved on a carbon ribbon shaft 2, a rotation stopping structure is a latch 31 provided on the chuck 3, a slot is formed between the latches 31, and a spring 5 latches a clip 4 into the slot. The annular chuck 3 is relatively and fixedly connected with the carbon belt shaft 2 in the circumferential direction and can be in tight fit connection; or by other structures for axial and circumferential restraint.
Wherein, the shell 1 is provided with a guide part 15, the guide part 15 is connected with the clip 4, or acts on the clip 4, and guides when the extrusion part on the printer frame extrudes the clip 4 and the spring 5; as shown in the figure, the guiding component 15 is connected to the inner side of the clip 4 and has a guiding inclined plane, so that when the frame is connected, the extruding component extends into the clip 4 to extrude outwards, and the clip is made to exit from the clamping groove.
The embodiment also provides a carbon tape box, which comprises a carbon tape supply end and a recovery end which are arranged in the shell 1, wherein the anti-return structures are respectively adopted between the carbon tape shaft 2 of the supply end and the carbon tape shaft 2 of the recovery end and the shell 1, the shell 1 is internally provided with a limiting structure for axially limiting the supply end and the recovery end, and an axial movable gap is respectively arranged between the supply end and the recovery end and the shell 1.
In this example, the supply end includes a carbon tape shaft 2 and a carbon tape roll 25 wound on the carbon tape shaft 2, the chuck 3 is sleeved outside the carbon tape shaft 2 and is in interference fit with the outer wall of the carbon tape shaft 2, the supply end is limited in the axial direction by the carbon tape roll 25, and of course, the carbon tape paper shaft can be sleeved outside the carbon tape shaft 2; the recovery end comprises a carbon tape shaft 2 and a carbon tape reel 24 fixedly sleeved outside the carbon tape shaft 2, and the chuck 3 is axially limited through the carbon tape reel 24.
Wherein, be provided with spacing ring 32 on the chuck 3, supply end and the one end of retrieving the end towards the frame keep off through spacing ring 32 and carry out axial spacing at window 11 inboard, the dabber 14 that the other pot head of supply end and retrieving the end set up at the casing 1 inner wall, dabber 14 periphery is provided with spacing portion 16, carries out axial spacing to supply end and retrieving the end. In this example, the supply end and the recovery end can rotate forward and backward against the elastic force of the spring 5 to adjust the ribbon by manual operation.
This structure, after releasing the restraint of spring 5 and checkpost 4 to carbon ribbon axle 2, supply end and recovery end all break away from the restraint of casing 1 in circumference, because there is the clearance that moves about in the axial, therefore can support the location by the frame, shift supply end and recovery end to the frame and support, improve the precision and the quality of printing.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a structure of rolling back is prevented to carbon ribbon axle which characterized in that: the carbon belt shaft is arranged in the shell, a rotation stopping structure is arranged on the carbon belt shaft along the circumferential direction, a metal elastic element is arranged on the shell, and the metal elastic element is clamped into the rotation stopping structure to limit the circumferential rotation of the carbon belt shaft; or the shell is provided with an elastic assembly, the elastic assembly comprises a clamp and a spring, and the spring presses the clamp to the rotation stopping structure to limit the circumferential rotation of the carbon belt shaft.
2. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the rotation stopping structure is a plurality of clamping grooves or a plurality of clamping teeth which are arranged along the circumferential direction of the carbon ribbon shaft at intervals.
3. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the metal elastic element is a spring piece or a spring wire; the spring is a spring piece or a spring wire.
4. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the tail part of the clip is connected with the shell, and the head part of the clip is suspended and clamped into the rotation stopping structure under the action of the spring; the metal elastic element is provided with a protruding part or a suspended part, and the protruding part or the suspended part is matched with the rotation stopping structure.
5. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the shell is provided with a window used for connecting one end of the carbon ribbon shaft with the rack to be exposed, and the metal elastic element or the elastic component is arranged at the window and is positioned on the periphery of the carbon ribbon shaft.
6. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the shell is provided with an avoiding space, and when the metal elastic element or the elastic component is reversely extruded and deformed, the metal elastic element or the elastic component is avoided.
7. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the carbon belt shaft is sleeved with an annular chuck, and the rotation stopping structure is arranged on the chuck; or the rotation stopping structure and the carbon ribbon shaft are integrally formed and are arranged on the end surface or the peripheral surface of the carbon ribbon shaft.
8. The carbon ribbon spool anti-rollback structure of claim 1, wherein: the shell is provided with a guide component used for guiding the extrusion component on the printer frame when extruding the metal elastic element or the elastic component.
9. A ribbon cartridge comprising a ribbon supply end and a recovery end, the supply end and the recovery end each having a ribbon axis, characterized in that: the carbon ribbon spool anti-rollback structure of any one of claims 1-8 is adopted between at least the carbon ribbon spool of the supply end and the casing of the carbon ribbon cartridge.
10. The ribbon cartridge of claim 9, wherein: the carbon tape shaft of the supply end and the carbon tape shaft of the recovery end are respectively in anti-return structure with the shell; a limiting structure used for axially limiting the supply end and the recovery end is arranged in the shell, and axial movable gaps are formed between the supply end and the recovery end and the shell respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339993.0U CN215243897U (en) | 2021-02-03 | 2021-02-03 | Carbon ribbon spool anti-rollback structure and carbon ribbon box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339993.0U CN215243897U (en) | 2021-02-03 | 2021-02-03 | Carbon ribbon spool anti-rollback structure and carbon ribbon box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215243897U true CN215243897U (en) | 2021-12-21 |
Family
ID=79501266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339993.0U Active CN215243897U (en) | 2021-02-03 | 2021-02-03 | Carbon ribbon spool anti-rollback structure and carbon ribbon box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215243897U (en) |
-
2021
- 2021-02-03 CN CN202120339993.0U patent/CN215243897U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1000763B1 (en) | Roll tensioner | |
| US20140061350A1 (en) | Roll sheet assembly and roll sheet flange | |
| CN115972790A (en) | Carbon ribbon box structure | |
| CN215243897U (en) | Carbon ribbon spool anti-rollback structure and carbon ribbon box | |
| EP0717000B1 (en) | Tape cartridge for coating film transfer tool and coating film transfer tool | |
| JP2597864Y2 (en) | Winding mechanism for band | |
| JP5471424B2 (en) | Belt winding mechanism | |
| US3312410A (en) | Tape winding apparatus | |
| US6042039A (en) | Tape reel device with brake mechanism applying constant back tension | |
| US3132822A (en) | Tape take-up/supply reel cores | |
| JP3622141B2 (en) | Axial attachment structure in applicator | |
| US4759284A (en) | Dampener roller apparatus | |
| JPH07100555B2 (en) | Web holding device | |
| JP5768806B2 (en) | Friction reel | |
| US5758841A (en) | Spindle capable of being inserted into the core of a roll of material in strip form and machine for winding and/or unwinding comprising such spindles | |
| EP3412472B1 (en) | Media replacement process for thermal printers | |
| JPS6021285A (en) | Ribbon cartridge | |
| US5014923A (en) | Web-spool for a cartridge | |
| CN218966515U (en) | Printer carbon ribbon box structure | |
| US3861614A (en) | Demountable ribbon reel | |
| JP3850125B2 (en) | Branch pipe positioning device in winder | |
| CA1093525A (en) | Reel holding hub assembly | |
| US3044728A (en) | Plastic insert for carbon ribbon | |
| CN218950542U (en) | Anti-slip positioning taper sleeve | |
| US6334722B1 (en) | Ink ribbon take-up body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240507 Address after: 401147 7-1, No. 5, Middle Section of Mount Huangshan Avenue, New North Zone, Yubei District, Chongqing Patentee after: CHONGQING WEWIN TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No. 368, jingdongfang Avenue, Beibei District, Chongqing 400700 Patentee before: Chongqing Patchmaker Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |