CN217328203U - One-way bearing plastic rotating shaft one-way ratchet structure - Google Patents
One-way bearing plastic rotating shaft one-way ratchet structure Download PDFInfo
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- CN217328203U CN217328203U CN202120545672.6U CN202120545672U CN217328203U CN 217328203 U CN217328203 U CN 217328203U CN 202120545672 U CN202120545672 U CN 202120545672U CN 217328203 U CN217328203 U CN 217328203U
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- way bearing
- pivot
- way
- roller pin
- rotating shaft
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Abstract
The utility model relates to an one-way ratchet structure of one-way bearing plastics pivot, including one-way bearing and pivot, one-way bearing suit is in the pivot outside, the pivot is made by plastics, the surface of pivot is equipped with the ratchet. When the one-way bearing rotates clockwise, the inclined surface of the ratchet wheel is contacted with the roller pin, the roller pin retreats inwards to realize slipping, and the spring is compressed; when the one-way bearing rotates anticlockwise, the groove surface of the ratchet wheel is in contact with the roller pin, and the roller pin is clamped into the groove of the ratchet wheel to realize locking. The utility model discloses a plastics pivot can realize with the same function of metal pivot to can reduce the manufacturing cost of pivot, plastics molding structure design is convenient, also can let product design more abundant.
Description
Technical Field
The utility model relates to an one-way bearing transmission structure, more specifically say, relate to an one-way ratchet structure of one-way bearing plastics pivot.
Background
The conventional one-way bearing needs to be matched with a metal rotating shaft, and the one-way self-locking function and the other-way rotation slipping function are realized through friction self-locking of the metal rotating shaft and a rolling needle inside the one-way bearing. The metal friction force of the conventional one-way bearing cannot be applied to the plastic shaft, and due to the characteristics of plastic materials, the conventional one-way bearing has the characteristics of small friction force, poor self-lubricating property and easy abrasion, and can cause one-way self-locking failure when being matched with the one-way bearing for use.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing an one-way ratchet structure of one-way bearing plastics pivot.
The utility model provides a technical scheme that its technical problem adopted is: the plastic rotating shaft one-way ratchet structure with the one-way bearing comprises the one-way bearing and a rotating shaft, wherein the one-way bearing is sleeved on the outer side of the rotating shaft, the rotating shaft is made of plastic, and a ratchet wheel is arranged on the surface of the rotating shaft.
In the scheme, the one-way bearing is provided with a roller pin and a spring, when the one-way bearing rotates clockwise, the inclined plane of the ratchet wheel is contacted with the roller pin, the roller pin retreats inwards to realize slipping, and the spring is compressed; when the one-way bearing rotates anticlockwise, the groove surface of the ratchet wheel is in contact with the roller pin, and the roller pin is clamped into the groove of the ratchet wheel to realize locking.
Implement the utility model discloses an one-way ratchet structure of one-way bearing plastics pivot has following beneficial effect:
when the one-way bearing rotates clockwise, the inclined plane of the ratchet wheel is contacted with the roller pin, the roller pin retreats inwards to realize slipping, and the spring is compressed; when the one-way bearing rotates anticlockwise, the groove surface of the ratchet wheel is in contact with the roller pin, and the roller pin is clamped into the groove of the ratchet wheel to realize locking. The utility model discloses a plastics pivot can realize the same function with the metal pivot to can reduce the manufacturing cost of pivot, plastics molding structure design is convenient, also can let the product design abundanter.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic view of a prior art one-way bearing in cooperation with a rotating shaft;
FIG. 2 is a schematic structural view of the one-way ratchet structure of the plastic rotating shaft of the one-way bearing of the present invention;
fig. 3 is a schematic structural view of a gear shaft.
FIG. 4 is a schematic view of the one-way bearing when rotated clockwise;
fig. 5 is a schematic view of the one-way bearing when rotated counterclockwise.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 2-5, the one-way ratchet structure of the plastic rotating shaft with one-way bearing of the present invention comprises one-way bearing 1 and rotating shaft 2. The rotating shaft 2 of the present embodiment is a gear shaft, as shown in fig. 3. The one-way bearing 1 is sleeved on the outer side of the rotating shaft 2, the rotating shaft 2 is made of plastic, and the surface of the rotating shaft 2 is provided with a ratchet wheel 3.
The one-way bearing 1 is provided with a needle roller 101 and a spring 102, and the specific structure of the one-way bearing 1 is the prior art and is not described herein again. As shown in fig. 4, when the one-way bearing 1 rotates clockwise, the inclined surface 301 of the ratchet 3 contacts the needle roller 101, the needle roller 101 retreats inward to slip, and the spring 102 is compressed. As shown in fig. 5, when the one-way bearing 1 rotates counterclockwise, the grooved surface 302 of the ratchet 3 contacts the needle roller 101, and the needle roller 101 is engaged in the groove of the ratchet 3 to realize locking.
The utility model discloses a plastics pivot 2 can realize with the same function of metal pivot 2 to can reduce pivot 2's manufacturing cost, plastics molding structural design is convenient, also can let the product design abundanter.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (1)
1. A unidirectional bearing plastic rotating shaft unidirectional ratchet structure comprises a unidirectional bearing and a rotating shaft, wherein the unidirectional bearing is sleeved outside the rotating shaft;
the one-way bearing is provided with a roller pin and a spring, when the one-way bearing rotates clockwise, the inclined plane of the ratchet wheel is contacted with the roller pin, the roller pin retreats inwards to realize slipping, and the spring is compressed; when the one-way bearing rotates anticlockwise, the groove surface of the ratchet wheel is in contact with the roller pin, and the roller pin is clamped into the groove of the ratchet wheel to realize locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545672.6U CN217328203U (en) | 2021-03-16 | 2021-03-16 | One-way bearing plastic rotating shaft one-way ratchet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545672.6U CN217328203U (en) | 2021-03-16 | 2021-03-16 | One-way bearing plastic rotating shaft one-way ratchet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328203U true CN217328203U (en) | 2022-08-30 |
Family
ID=82944903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545672.6U Active CN217328203U (en) | 2021-03-16 | 2021-03-16 | One-way bearing plastic rotating shaft one-way ratchet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328203U (en) |
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2021
- 2021-03-16 CN CN202120545672.6U patent/CN217328203U/en active Active
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