CN220101963U - Unidirectional screwing device - Google Patents
Unidirectional screwing device Download PDFInfo
- Publication number
- CN220101963U CN220101963U CN202321610895.1U CN202321610895U CN220101963U CN 220101963 U CN220101963 U CN 220101963U CN 202321610895 U CN202321610895 U CN 202321610895U CN 220101963 U CN220101963 U CN 220101963U
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- China
- Prior art keywords
- connecting piece
- unidirectional
- torsion spring
- screwing device
- shaft
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- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model belongs to the field of mechanical structures, and provides a unidirectional screwing device, which comprises: the connecting shaft is fixedly provided with a first connecting piece, and a first connecting part is formed on the first connecting piece; the second connecting piece is sleeved on the connecting shaft, and a second connecting part is formed at the end part of the second connecting piece, which is close to the first connecting piece; one end of the torsion spring is sleeved on the first connecting part, the other end of the torsion spring is sleeved on the second connecting part, and two ends of the torsion spring are respectively clamped on the first connecting part and the second connecting part. Compared with the prior art, the screwing device has the advantages that the screwing device is convenient to use and simple in structure, the second connecting piece can rotate unidirectionally on the connecting shaft through the cooperation of the first connecting piece, the second connecting piece and the torsion spring, and the second connecting piece is locked and immobilized after being reversed, so that the screwing device is suitable for mechanical products needing unidirectional rotation.
Description
Technical Field
The utility model belongs to the field of mechanical structures, and particularly relates to a unidirectional screwing device.
Background
The rotating parts in the prior art can realize bidirectional rotation, and the parts which need to provide the motion force are provided from two directions (clockwise and anticlockwise). However, on some mechanical products, only one-way rotation is needed, and two-way rotation can cause problems on the mechanical products, so that the mechanical products are damaged.
Disclosure of Invention
The utility model aims to solve the technical problem of the prior art, and provides a unidirectional screwing device which is convenient to use and simple in structure.
The technical scheme adopted for solving the technical problems is as follows: proposes a unidirectional screwing device comprising: the connecting shaft is fixedly provided with a first connecting piece, and a first connecting part is formed on the first connecting piece;
the second connecting piece is sleeved on the connecting shaft, and a second connecting part is formed at the end part of the second connecting piece, which is close to the first connecting piece;
one end of the torsion spring is sleeved on the first connecting part, the other end of the torsion spring is sleeved on the second connecting part, and two ends of the torsion spring are respectively clamped on the first connecting part and the second connecting part;
the torsion spring is capable of unidirectional rotation of the second connector relative to the first connector.
In the unidirectional screwing device, the connecting shaft is provided with a limiting groove, a retainer ring is clamped on the limiting groove, and the end part, away from the first connecting piece, of the second connecting piece abuts against the retainer ring.
In the above-mentioned one-way screwing device, the first connecting portion and the second connecting portion are both cylindrical structures.
In the unidirectional screwing device, the first connecting portion and the second connecting portion are located on the same axis, and the diameter of the first connecting portion is the same as the diameter of the second connecting portion.
In the unidirectional screwing device, the connecting shaft is provided with an assembling part, and the assembling part is connected with an externally arranged device.
In the unidirectional screwing device, a positioning part is arranged at the end part of the connecting shaft, which is far away from the assembly part, a shaft hole is formed in the first connecting piece, and the positioning part is in interference fit with the shaft hole.
In the unidirectional screwing device, the first connecting piece is provided with the gear, the end part, far away from the first connecting piece, of the second connecting piece is provided with the third connecting part, and the third connecting part can be provided with preset parts.
Compared with the prior art, the screwing device has the advantages that the screwing device is convenient to use and simple in structure, the second connecting piece can rotate unidirectionally on the connecting shaft through the cooperation of the first connecting piece, the second connecting piece and the torsion spring, and the second connecting piece is locked and immobilized after being reversed, so that the screwing device is suitable for mechanical products needing unidirectional rotation.
Drawings
FIG. 1 is a schematic view of the structure of the unidirectional screwing device;
FIG. 2 is an exploded view of the present one-way screw-on device;
fig. 3 is a schematic diagram illustrating the operation of the unidirectional screwing device.
In the drawing the view of the figure,
1. a connecting shaft; 100. a limit groove; 101. a retainer ring; 102. a positioning part; 103. an assembling portion;
2. a first connector; 200. a first connection portion; 201. a shaft hole;
3. a second connector; 300. a second connecting portion; 301. a third connecting portion;
4. and (3) a torsion spring.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 to 3, a unidirectional screwing device includes: a connecting shaft 1, a first connecting piece 2, a second connecting piece 3 and a torsion spring 4.
Specifically, the first connecting piece 2 is fixedly installed on the connecting shaft 1, the first connecting piece 2 is provided with the first connecting portion 200, the second connecting piece 3 is sleeved on the connecting shaft 1, the end portion, close to the first connecting piece 2, of the second connecting piece 3 is provided with the second connecting portion 300, the second connecting piece 3 is limited to move along the axial direction of the connecting shaft 1, the second connecting portion 300 is movably abutted against the first connecting portion 200, the whole torsion spring 4 is sleeved on the first connecting portion 200 and the second connecting portion 300, two ends of the torsion spring 4 are respectively clamped on the first connecting portion 200 and the second connecting portion 300, as shown in fig. 3, the second connecting piece 3 can rotate in the arrow direction (anticlockwise direction) relative to the first connecting piece 2, and in the reverse direction (clockwise direction), the second connecting piece 3 is blocked under the influence of the torsion spring 4, and the second connecting piece 3 cannot rotate relative to the first connecting piece 2.
Further, the limiting groove 100 is formed in the connecting shaft 1, when the torsion spring 4 and the second connecting piece 3 are sleeved on the connecting shaft 1, and two ends of the torsion spring 4 are respectively clamped on the first connecting portion 200 and the second connecting portion 300, the retainer ring 101 is clamped in the limiting groove 100, the end portion, away from the first connecting piece 2, of the second connecting piece 3 abuts against the retainer ring 101, the second connecting piece 3 is prevented from moving along the axis of the connecting shaft 1, the torsion spring 4 clamped on the second connecting piece 3 is prevented from being separated, and the limiting groove 100 and the retainer ring 101 are arranged to ensure that the second connecting piece 3 is screwed in a unidirectional mode relative to the first connecting piece 2.
Specifically, the first connecting portion 200 and the second connecting portion 300 are both in cylindrical structures, so that the torsion spring 4 is conveniently clamped on the circumferences of the first connecting portion 200 and the second connecting portion 300, and the contact area between the torsion spring 4 and the first connecting portion 200 and the contact area between the torsion spring and the second connecting portion 300 are increased, so that the second connecting piece 3 cannot be inverted relative to the first connecting piece 2, and it should be noted that in the embodiment, the first connecting portion 200 and the second connecting portion 300 are both in cylindrical structures, and other structures such as cuboid structures and thread structures are also possible.
Further, the first connecting portion 200 and the second connecting portion 300 are located on the same axis, and the diameter of the first connecting portion 200 is the same as the diameter of the second connecting portion 300, so that the torsion spring 4 is ensured to clamp the first connecting portion 200 and the second connecting portion 300 at the same time, and unidirectional screwing is ensured.
Specifically, the coupling shaft has an assembling portion 103, and the assembling portion 103 has a polygonal structure, and is insertable on an externally provided device to provide unidirectional rotation for the device.
Further, the end portion of the connecting shaft 1 away from the assembling portion 103 is provided with a positioning portion 102, the positioning portion 102 is of a gear type structure, the first connecting piece 2 is provided with a shaft hole 201, the positioning portion 102 is in interference fit with the shaft hole 201, and therefore the first connecting piece 2 can be fixed on the connecting shaft 1.
Specifically, the first connecting member 2 is a gear, the end portion of the second connecting member 3 away from the first connecting member 2 is provided with a third connecting portion 301, and the third connecting portion 301 can be provided with a predetermined gear, and in this embodiment, the first connecting member 2 is a gear, and the third connecting portion 301 can be provided with a predetermined gear, but other parts that require relative movement may be used.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (7)
1. A unidirectional screwing device, characterized by comprising:
the connecting shaft is fixedly provided with a first connecting piece, and a first connecting part is formed on the first connecting piece;
the second connecting piece is sleeved on the connecting shaft, and a second connecting part is formed at the end part of the second connecting piece, which is close to the first connecting piece;
one end of the torsion spring is sleeved on the first connecting part, the other end of the torsion spring is sleeved on the second connecting part, and two ends of the torsion spring are respectively clamped on the first connecting part and the second connecting part;
the torsion spring is capable of unidirectional rotation of the second connector relative to the first connector.
2. The unidirectional screwing device according to claim 1, wherein the connecting shaft is provided with a limiting groove, a retainer ring is clamped on the limiting groove, and the end part, away from the first connecting piece, of the second connecting piece abuts against the retainer ring.
3. A unidirectional screwing device according to claim 1, wherein the first and second connection portions are each of cylindrical configuration.
4. A unidirectional screwing apparatus as claimed in claim 2, wherein the first and second connection portions are on the same axis, and the diameter of the first connection portion is the same as the diameter of the second connection portion.
5. A unidirectional screwing apparatus as claimed in claim 1, wherein the connecting shaft has a fitting portion connected to an externally provided device.
6. The unidirectional screwing device according to claim 5, wherein a positioning portion is arranged at an end portion of the connecting shaft away from the assembly portion, a shaft hole is formed in the first connecting piece, and the positioning portion and the shaft hole are in interference fit.
7. The unidirectional screwing device according to claim 1, wherein the first connecting piece is provided as a gear, and a third connecting portion is provided at an end portion of the second connecting piece away from the first connecting piece, and the third connecting portion is capable of mounting a predetermined component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610895.1U CN220101963U (en) | 2023-06-25 | 2023-06-25 | Unidirectional screwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610895.1U CN220101963U (en) | 2023-06-25 | 2023-06-25 | Unidirectional screwing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101963U true CN220101963U (en) | 2023-11-28 |
Family
ID=88871562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321610895.1U Active CN220101963U (en) | 2023-06-25 | 2023-06-25 | Unidirectional screwing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101963U (en) |
-
2023
- 2023-06-25 CN CN202321610895.1U patent/CN220101963U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |