CN210344078U - Elastic coupling - Google Patents
Elastic coupling Download PDFInfo
- Publication number
- CN210344078U CN210344078U CN201921056826.4U CN201921056826U CN210344078U CN 210344078 U CN210344078 U CN 210344078U CN 201921056826 U CN201921056826 U CN 201921056826U CN 210344078 U CN210344078 U CN 210344078U
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- Prior art keywords
- slot
- hole
- shaft
- magnet
- elastic
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Abstract
The utility model relates to a shaft coupling technical field especially relates to an elastic coupling. The utility model discloses an elastic coupling, including the first axis body and the second axis body that mutually insert, the first axis body is provided with three pawl, and the second axis body is provided with the slot with pawl clearance fit, and it has elastic rubber portion to fill between pawl and the slot, and the cell wall of slot is provided with the through-hole, and elastic rubber portion includes connecting portion and clearance portion, and clearance portion lies in between pawl and the slot, and connecting portion lie in the through-hole and the both ends of connecting portion are connected with clearance portion; the adjacent surfaces of the inserting claw and the slot are respectively provided with a first magnet and a second magnet which are mutually exclusive. The utility model discloses an elastic coupling, it is not fragile, long service life, the moment of torsion transmission precision is high, has solved the easy wearing and tearing of current elastic coupling, the not high problem of moment of torsion transmission precision.
Description
Technical Field
The utility model relates to a shaft coupling technical field especially relates to an elastic coupling.
Background
The shaft coupling is widely used, the existing elastic shaft coupling is mostly composed of a base body and an elastic body, the existing elastic shaft coupling elastic body is easy to wear, and the service life is short; there is also a coupling in which the service life of an elastic body is increased by increasing the elasticity of the elastic body, but this type of coupling is not accurate in torque transmission.
Therefore, it is necessary to provide an elastic coupling which is less likely to wear and has high torque transmission accuracy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elastic coupling to prior art's not enough, it is not fragile, long service life, the moment of torsion transmission precision is high.
In order to achieve the above object, the utility model discloses an elastic coupling, including first axis body and the second axis body that mutually inserted, the first axis body is provided with three claws, and the second axis body is provided with the slot with claw clearance fit, and it has elastic rubber portion to fill between claw and the slot, and the cell wall of slot is provided with the through-hole, and elastic rubber portion includes connecting portion and clearance portion, and the clearance portion is located between claw and the slot, and connecting portion is located the through-hole and the both ends of connecting portion are connected with clearance portion; the adjacent surfaces of the inserting claw and the slot are respectively provided with a first magnet and a second magnet which are mutually exclusive.
Preferably, the first shaft body is provided with a first base body part, the three insertion claws are arranged on the first base body part, and a square hole is formed in the middle of the first base body part; the second shaft body is provided with a second base body part and an extension part, the slot is arranged on the outer wall of the extension part, and the top end of the extension part is provided with a square shaft part in clearance fit with the square hole.
Preferably, the surfaces of the square shaft part adjacent to the square hole are respectively provided with a third magnet and a fourth magnet which are mutually attracted.
Preferably, the first base portion is provided with an insertion hole, and the top end of the extension portion is provided with an insertion shaft which is in clearance fit with the insertion hole.
Preferably, the insertion hole is formed between two adjacent insertion claws.
Preferably, an elastic rubber is filled between the insertion hole and the insertion shaft.
The utility model has the advantages that: the utility model discloses an elastic coupling, the atress of the reducible elastic rubber portion of mutually exclusive first magnet and second magnet improves the life of elastic rubber portion, reduces the wearing and tearing to elastic rubber portion and has ensured the transmission precision of moment of torsion simultaneously and not descend, and the both ends that connecting portion are located through-hole and connecting portion are connected with clearance portion, have improved the stability of elastic rubber portion, the utility model discloses an elastic coupling is not fragile, long service life, and the moment of torsion transmission precision is high.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic structural view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural view in the direction B-B in fig. 1.
Fig. 4 is a schematic perspective view of the first shaft.
Fig. 5 is a schematic perspective view of the second shaft body.
The reference numerals include:
1-first shaft body 11-inserting claw
12-first base part 13-square hole 14-insertion hole
2-second shaft 21-slot 22-second base part
23-extension 24-square shaft 25-insertion shaft
3-first magnet 4-second magnet
5-third magnet 6-fourth magnet
7-elastic rubber portion 71-gap portion 72-connecting portion.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the elastic coupling of the present invention includes a first shaft body 1 and a second shaft body 2 which are inserted into each other, wherein the first shaft body 1 is provided with three insertion claws 11, the second shaft body 2 is provided with a slot 21 which is in clearance fit with the insertion claws 11, an elastic rubber portion 7 is filled between the insertion claws 11 and the slot 21, a slot wall of the slot 21 is provided with a through hole, the elastic rubber portion 7 includes a connecting portion 72 and a clearance portion 71, the clearance portion 71 is located between the insertion claws 11 and the slot 21, the connecting portion 72 is located in the through hole, and both ends of the connecting portion 72 are connected with the clearance portion 71; the adjacent surfaces of the inserting claw 11 and the slot 21 are respectively provided with a first magnet 3 and a second magnet 4 which repel each other. The utility model discloses an elastic coupling, the atress of the reducible elastic rubber portion 7 of mutually exclusive first magnet 3 and second magnet 4 improves the life of elastic rubber portion 7, reduces the wearing and tearing of elastic rubber portion 7 and has ensured the transmission precision of moment of torsion simultaneously and not descend, and the both ends that connecting portion 72 is located through-hole and connecting portion 72 are connected with clearance portion 71, have improved the stability of elastic rubber portion 7, the utility model discloses an elastic coupling, it is not fragile, long service life, the moment of torsion transmission precision is high.
Preferably, the first shaft body 1 is provided with a first base body 12, the three insertion claws 11 are provided on the first base body 12, and a square hole 13 is provided in the middle of the first base body 12; the second shaft body 2 is provided with a second base part 22 and an extension part 23, the slot 21 is arranged on the outer wall of the extension part 23, and the top end of the extension part 23 is provided with a square shaft part 24 which is in clearance fit with the square hole 13. The utility model discloses an elastic coupling easily assembles.
Preferably, the surfaces of the square shaft part 24 adjacent to the square hole 13 are respectively provided with a third magnet 5 and a fourth magnet 6 which attract each other. The utility model discloses an elastic coupling easily assembles, and the primary shaft body 1 is connected stably with the secondary shaft body 2, reduces the wearing and tearing to elastic rubber portion 7 and has ensured the transmission precision of moment of torsion simultaneously and not descend.
Preferably, the first base portion 12 is provided with an insertion hole 14, and the distal end of the extension portion 23 is provided with an insertion shaft 25 that is in clearance fit with the insertion hole 14. The utility model discloses an elastic coupling inserts and closes axle 25 and inserts and close hole 14 and mutually support, has ensured that the transmission precision of moment of torsion does not descend. Specifically, the insertion hole 14 is disposed between two adjacent insertion claws 11, and elastic rubber is filled between the insertion hole 14 and the insertion shaft 25.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides an elastic coupling, includes the first axis body (1) and the second axis body (2) that mutually insert, its characterized in that: the first shaft body (1) is provided with three inserting claws (11), the second shaft body (2) is provided with a slot (21) in clearance fit with the inserting claws (11), elastic rubber parts (7) are filled between the inserting claws (11) and the slot (21), the slot wall of the slot (21) is provided with a through hole, each elastic rubber part (7) comprises a connecting part (72) and a gap part (71), each gap part (71) is located between each inserting claw (11) and the slot (21), each connecting part (72) is located in the through hole, and two ends of each connecting part (72) are connected with each gap part (71); the adjacent surfaces of the inserting claw (11) and the slot (21) are respectively provided with a first magnet (3) and a second magnet (4) which are mutually exclusive.
2. An elastomeric coupling in accordance with claim 1 wherein: the first shaft body (1) is provided with a first base body part (12), three inserting claws (11) are arranged on the first base body part (12), and the middle part of the first base body part (12) is provided with a square hole (13); the second shaft body (2) is provided with a second base body portion (22) and an extension portion (23), the slot (21) is arranged on the outer wall of the extension portion (23), and the top end of the extension portion (23) is provided with a square shaft portion (24) in clearance fit with the square hole (13).
3. An elastomeric coupling in accordance with claim 2 wherein: the surfaces of the square shaft part (24) adjacent to the square hole (13) are respectively provided with a third magnet (5) and a fourth magnet (6) which are mutually attracted.
4. An elastomeric coupling in accordance with claim 2 wherein: the first base body part (12) is provided with an insertion hole (14), and the top end of the extension part (23) is provided with an insertion shaft (25) in clearance fit with the insertion hole (14).
5. An elastomeric coupling in accordance with claim 4 wherein: the inserting and combining hole (14) is formed between two adjacent inserting claws (11).
6. An elastomeric coupling in accordance with claim 4 wherein: elastic rubber is filled between the insertion hole (14) and the insertion shaft (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056826.4U CN210344078U (en) | 2019-07-08 | 2019-07-08 | Elastic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056826.4U CN210344078U (en) | 2019-07-08 | 2019-07-08 | Elastic coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344078U true CN210344078U (en) | 2020-04-17 |
Family
ID=70193474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921056826.4U Active CN210344078U (en) | 2019-07-08 | 2019-07-08 | Elastic coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344078U (en) |
-
2019
- 2019-07-08 CN CN201921056826.4U patent/CN210344078U/en active Active
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| GR01 | Patent grant |