CN215792714U - Winding-proof structure for winding color band - Google Patents
Winding-proof structure for winding color band Download PDFInfo
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- CN215792714U CN215792714U CN202122297567.8U CN202122297567U CN215792714U CN 215792714 U CN215792714 U CN 215792714U CN 202122297567 U CN202122297567 U CN 202122297567U CN 215792714 U CN215792714 U CN 215792714U
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- ribbon
- driving gear
- winding
- driven gear
- support frame
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Abstract
An anti-winding structure for winding a color band comprises a color band box, a driving gear, a driven gear, a movable support frame and an anti-winding block; a ribbon accommodating cavity is arranged in the middle of the ribbon box, and a ribbon winding channel is arranged at one end in the ribbon box; the anti-winding block is positioned on one side of the driving gear, which is far away from the color tape winding channel; one side of the movable support frame towards the middle of the ribbon accommodating cavity is provided with a first inclined plane which is inclined towards the direction away from the driving gear from the position close to the driven gear, and one side of the anti-winding block towards the middle of the ribbon accommodating cavity is provided with a second inclined plane which is inclined towards the direction away from the driven gear from the position close to the driving gear. The first inclined plane of the movable support frame and the second inclined plane of the anti-winding block can prevent the ribbon from being wound on the driving gear or the driven gear, the ribbon is prevented from being clamped, the driving gear or the driven gear is guaranteed to rotate smoothly, and normal work of a product is guaranteed.
Description
Technical Field
The utility model relates to the technical field of printer accessories, in particular to an anti-winding structure for winding a color band.
Background
In the stylus printer, a print head prints predetermined characters or patterns on a sheet of paper through an ink ribbon having a length of between several meters and ten and several meters. As shown in a new printer ribbon holder disclosed in chinese patent CN209096292U, the ribbon is wound in the ribbon cassette by two opposite gears. In the winding process, the color tape is easy to move along with the gear, so that the color tape is wound on the gear or is blocked in a gap between the gear and the color tape box, and the color tape is blocked or the gear cannot smoothly rotate.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an anti-winding structure for winding a color ribbon, which prevents the color ribbon from winding or blocking during winding and ensures the normal operation of the product, so as to solve the above problems.
An anti-winding structure for winding a color band comprises a color band box, a driving gear rotationally arranged in the color band box, a driven gear arranged in the color band box and meshed with the driving gear, a movable support frame arranged in the color band box and used for rotationally supporting the driven gear, and an anti-winding block arranged between the driving gear and the color band box; a ribbon accommodating cavity is arranged in the middle of the ribbon box, and a ribbon winding channel is arranged at one end in the ribbon box; the anti-winding block is positioned on one side of the driving gear, which is far away from the color tape winding channel; one side of the movable support frame towards the middle of the ribbon accommodating cavity is provided with a first inclined plane which is inclined towards the direction away from the driving gear from the position close to the driven gear, and one side of the anti-winding block towards the middle of the ribbon accommodating cavity is provided with a second inclined plane which is inclined towards the direction away from the driven gear from the position close to the driving gear.
Furthermore, the ribbon cartridge is provided with a base and an upper cover which are arranged oppositely, the base and the upper cover are both provided with a first shaft hole, two axial ends of the driving gear are both provided with a first rotating shaft in a protruding manner, and the first rotating shaft is positioned in the first shaft hole; the axial both ends of driven gear all stand out and are provided with the second pivot, and the support groove has been seted up at the middle part of activity support frame, and driven gear's second pivot is arranged in supporting the groove.
Furthermore, a third rotating shaft is arranged on the base in a protruding mode, a second shaft hole is formed in the first end of the movable supporting frame, and the second shaft hole is rotatably sleeved on the third rotating shaft.
Furthermore, the ink ribbon cassette also comprises a spring arranged between one side of the movable support frame, which is far away from the driving gear, and the ink ribbon cassette.
Furthermore, a spring limiting seat is arranged on the side wall of the base, which is far away from the driving gear, and a spring positioning column is arranged on one side, which is far away from the driving gear, of the movable support frame in a protruding manner; one end of the spring is sleeved on the spring positioning column, and the other end of the spring is positioned in the spring limiting seat.
Furthermore, a limiting supporting leg is arranged on one side, away from the driving gear, of the second end of the movable supporting frame in a protruding mode, and a limiting convex block is arranged at the tail end of the limiting supporting leg in a protruding mode; the base is kept away from one side of driving gear and is provided with first baffle near the position of the second end of movable support frame, has seted up spacing hole on the first baffle, and spacing stabilizer blade passes spacing hole, and spacing lug is located one side that the driving gear was kept away from to first baffle.
Furthermore, a second partition plate is arranged in the base in a protruding mode on one side, away from the driven gear, of the driving gear, and a limiting column is arranged in the base in a protruding mode on one side, away from the first partition plate, of the base; the anti-winding block is positioned between the second partition plate and the limiting column.
Further, the second baffle is located the outside of the first end of antiwind piece, and one side of antiwind piece orientation driving gear is sunken to be provided with first arcwall face, and the second end that the driving gear was kept away from to the antiwind piece is sunken to be provided with the second arcwall face, and spacing post is located the outside of second arcwall face.
Compared with the prior art, the ribbon winding anti-winding structure comprises a ribbon box, a driving gear rotationally arranged in the ribbon box, a driven gear arranged in the ribbon box and meshed with the driving gear, a movable support frame arranged in the ribbon box and used for rotationally supporting the driven gear, and an anti-winding block arranged between the driving gear and the ribbon box; a ribbon accommodating cavity is arranged in the middle of the ribbon box, and a ribbon winding channel is arranged at one end in the ribbon box; the anti-winding block is positioned on one side of the driving gear, which is far away from the color tape winding channel; one side of the movable support frame towards the middle of the ribbon accommodating cavity is provided with a first inclined plane which is inclined towards the direction away from the driving gear from the position close to the driven gear, and one side of the anti-winding block towards the middle of the ribbon accommodating cavity is provided with a second inclined plane which is inclined towards the direction away from the driven gear from the position close to the driving gear. The first inclined plane of the movable support frame and the second inclined plane of the anti-winding block can prevent the ribbon from being wound on the driving gear or the driven gear, the ribbon is prevented from being clamped, the driving gear or the driven gear is guaranteed to rotate smoothly, and normal work of a product is guaranteed.
Drawings
Embodiments of the utility model are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of an anti-winding structure for winding a ribbon according to the present invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.
Referring to fig. 1, the ribbon winding anti-winding structure provided by the present invention includes a ribbon cartridge 10, a driving gear 20, a driven gear 30, a movable support 40, a spring 60 and an anti-winding block 70.
The driving gear 20 is rotatably disposed in the ribbon cartridge 10, the driven gear 30 is disposed in the ribbon cartridge 10 and engaged with the driving gear 20, and the movable support 40 is disposed in the ribbon cartridge 10 and rotatably supports the driven gear 30.
The ribbon cartridge 10 is provided with a ribbon accommodating cavity 11 at the middle part, and a ribbon winding channel 12 is arranged at one end in the ribbon cartridge 10.
The spring 60 is located between the side of the movable support 40 away from the driving gear 20 and the ribbon cartridge 10. The anti-wind block 70 is disposed on a side of the driving gear 20 away from the ribbon winding channel 12.
The ribbon cartridge 10 has a base and an upper cover disposed opposite to each other.
The base and the upper cover are both provided with a first shaft hole, the two axial ends of the driving gear 20 are both provided with a first rotating shaft in a protruding manner, and the first rotating shaft is positioned in the first shaft hole.
The axial both ends of driven gear 30 all stand out and are provided with the second pivot, and the support groove has been seted up at the middle part of activity support frame 40, and driven gear 30's second pivot is located and supports the groove.
The base is provided with a third rotating shaft 50 in a protruding manner, a second shaft hole is formed in the first end of the movable support frame 40, and the third rotating shaft 50 is rotatably sleeved with the second shaft hole.
The second end of the movable support 40 is provided with a limit leg 42 protruding from one side of the driving gear 20, and the end of the limit leg 42 is provided with a limit bump protruding.
The side wall of the base, which is far away from the driving gear 20, is provided with a spring limiting seat 13, one side of the movable support 40, which is far away from the driving gear 20, is provided with a spring positioning column 41 in a protruding manner, one end of the spring 60 is sleeved on the spring positioning column 41, and the other end is located in the spring limiting seat 13.
The first partition 14 is disposed at a position on one side of the base away from the driving gear 20 and close to the second end of the movable support 40, a limiting hole 141 is disposed on the first partition 14, the limiting support 42 passes through the limiting hole 141, and the limiting protrusion is disposed on one side of the first partition 14 away from the driving gear 20.
The side of the movable support 40 facing the middle of the ribbon housing chamber 11 is provided with a first inclined surface 401 inclined from a position close to the driven gear 30 to a direction away from the driving gear 20.
The base is provided with a second partition 15 protruding from one side of the driving gear 20 away from the driven gear 30, and a limiting column 16 protruding from one side of the base away from the first partition 14.
The anti-winding block 70 is located between the second partition 15 and the spacing column 16. The side of the anti-wind block 70 facing the middle of the ribbon housing chamber 11 is provided with a second slope 701 that slopes from a position near the drive gear 20 toward a direction away from the driven gear 30. The shape formed by the first inclined surface 401 and the second inclined surface 701 is a herringbone shape.
In this embodiment, the second partition 15 is located outside the first end of the anti-winding block 70, a first arc-shaped surface 71 is concavely disposed on one side of the anti-winding block 70 facing the driving gear 20, and the first arc-shaped surface 71 is used for avoiding the driving gear 20. The anti-winding block 70 is recessed from the second end of the driving gear 20 to form a second arc-shaped surface 72, and the position-limiting post 16 is located outside the second arc-shaped surface 72. The second partition 15 and the limiting column 16 are used for positioning and limiting the anti-winding block 70, and preventing the anti-winding block 70 from moving or shaking.
The ribbon 100 passes through the gap between the driving gear 20 and the driven gear 30, the driving gear 20 rotates to drive the driven gear 30 to rotate, so that the ribbon 100 is wound in the ribbon accommodating cavity 11, the first inclined plane 401 of the movable support frame 40 and the second inclined plane 701 of the anti-winding block 70 can prevent the ribbon 100 from being wound on the driving gear 20 or the driven gear 30, the ribbon 100 is prevented from being clamped, and the driving gear 20 or the driven gear 30 can be ensured to rotate smoothly.
Compared with the prior art, the ribbon winding anti-winding structure comprises a ribbon cartridge 10, a driving gear 20 rotationally arranged in the ribbon cartridge 10, a driven gear 30 arranged in the ribbon cartridge 10 and meshed with the driving gear 20, a movable support frame 40 arranged in the ribbon cartridge 10 and used for rotationally supporting the driven gear 30, and an anti-winding block 70 arranged between the driving gear 20 and the ribbon cartridge 10; a ribbon accommodating cavity 11 is arranged in the middle of the ribbon cartridge 10, and a ribbon winding channel 12 is arranged at one end in the ribbon cartridge 10; the anti-winding block 70 is located on the side of the driving gear 20 away from the ribbon winding channel 12; the movable support 40 is provided with a first inclined surface 401 inclined from a position close to the driven gear 30 to a direction away from the driving gear 20 on a side facing the middle of the ribbon housing cavity 11, and the anti-wind block 70 is provided with a second inclined surface 701 inclined from a position close to the driving gear 20 to a direction away from the driven gear 30 on a side facing the middle of the ribbon housing cavity 11. The first inclined plane 401 of the movable supporting frame 40 and the second inclined plane 701 of the anti-winding block 70 can prevent the ribbon 100 from being wound on the driving gear 20 or the driven gear 30, so as to prevent the ribbon 100 from being blocked, and ensure that the driving gear 20 or the driven gear 30 smoothly rotates, thereby ensuring the normal operation of the product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (8)
1. The utility model provides a typewriter ribbon rolling anti-wind structure which characterized in that: the winding prevention device comprises a ribbon cartridge, a driving gear rotationally arranged in the ribbon cartridge, a driven gear arranged in the ribbon cartridge and meshed with the driving gear, a movable support frame arranged in the ribbon cartridge and used for rotationally supporting the driven gear, and an anti-winding block arranged between the driving gear and the ribbon cartridge; a ribbon accommodating cavity is arranged in the middle of the ribbon box, and a ribbon winding channel is arranged at one end in the ribbon box; the anti-winding block is positioned on one side of the driving gear, which is far away from the color tape winding channel; one side of the movable support frame towards the middle of the ribbon accommodating cavity is provided with a first inclined plane which is inclined towards the direction away from the driving gear from the position close to the driven gear, and one side of the anti-winding block towards the middle of the ribbon accommodating cavity is provided with a second inclined plane which is inclined towards the direction away from the driven gear from the position close to the driving gear.
2. The ribbon take-up anti-wind structure of claim 1, wherein: the ribbon cartridge is provided with a base and an upper cover which are oppositely arranged, the base and the upper cover are both provided with a first shaft hole, the two axial ends of the driving gear are both provided with a first rotating shaft in a protruding manner, and the first rotating shaft is positioned in the first shaft hole; the axial both ends of driven gear all stand out and are provided with the second pivot, and the support groove has been seted up at the middle part of activity support frame, and driven gear's second pivot is arranged in supporting the groove.
3. The ribbon take-up anti-wind structure of claim 2, wherein: the base is provided with a third rotating shaft in a protruding mode, the first end of the movable supporting frame is provided with a second shaft hole, and the second shaft hole is rotatably sleeved on the third rotating shaft.
4. The ribbon take-up anti-wind structure of claim 3, wherein: the ink ribbon cassette also comprises a spring arranged between one side of the movable support frame far away from the driving gear and the ink ribbon cassette.
5. The ribbon take-up anti-wind structure of claim 4, wherein: a spring limiting seat is arranged on the side wall of the base, which is far away from the driving gear, and a spring positioning column is arranged on one side, which is far away from the driving gear, of the movable support frame in a protruding manner; one end of the spring is sleeved on the spring positioning column, and the other end of the spring is positioned in the spring limiting seat.
6. The ribbon take-up anti-wind structure of claim 3, wherein: a limiting supporting leg is arranged at one side, away from the driving gear, of the second end of the movable supporting frame in a protruding mode, and a limiting convex block is arranged at the tail end of the limiting supporting leg in a protruding mode; the base is kept away from one side of driving gear and is provided with first baffle near the position of the second end of movable support frame, has seted up spacing hole on the first baffle, and spacing stabilizer blade passes spacing hole, and spacing lug is located one side that the driving gear was kept away from to first baffle.
7. The ribbon take-up anti-wind structure of claim 2, wherein: a second partition plate is arranged in the base in a protruding mode on one side, away from the driven gear, of the driving gear, and a limiting column is arranged on one side, away from the first partition plate, of the base in a protruding mode; the anti-winding block is positioned between the second partition plate and the limiting column.
8. The ribbon take-up anti-wind structure of claim 7, wherein: the second baffle is located the outside of the first end of antiwind piece, and one side of antiwind piece towards the driving gear is sunken to be provided with first arcwall face, and the second end that the driving gear was kept away from to the antiwind piece is sunken to be provided with the second arcwall face, and spacing post is located the outside of second arcwall face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297567.8U CN215792714U (en) | 2021-09-22 | 2021-09-22 | Winding-proof structure for winding color band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122297567.8U CN215792714U (en) | 2021-09-22 | 2021-09-22 | Winding-proof structure for winding color band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215792714U true CN215792714U (en) | 2022-02-11 |
Family
ID=80165227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122297567.8U Active CN215792714U (en) | 2021-09-22 | 2021-09-22 | Winding-proof structure for winding color band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215792714U (en) |
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2021
- 2021-09-22 CN CN202122297567.8U patent/CN215792714U/en active Active
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