CN214304917U - Star coupling subassembly - Google Patents
Star coupling subassembly Download PDFInfo
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- CN214304917U CN214304917U CN202023037733.2U CN202023037733U CN214304917U CN 214304917 U CN214304917 U CN 214304917U CN 202023037733 U CN202023037733 U CN 202023037733U CN 214304917 U CN214304917 U CN 214304917U
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Abstract
The utility model provides a star-shaped coupler, relating to the technical field of couplers; the star coupling comprises an input shaft, an output shaft and a star connecting block; the star-shaped connecting block comprises a star-shaped connecting block body and a protective sleeve; the star-shaped connecting block body is disc-shaped; the protective sleeve is sleeved on the circumferential side wall of the star-shaped connecting block body and is abutted against the circumferential side wall of the star-shaped connecting block body; the end face of the star-shaped connecting block body is provided with at least two first through holes and at least two second through holes; the first through hole and the second through hole are arranged along the axial direction of the star-shaped connecting block body; a first connecting column matched with the first through hole for use is arranged on one end face of the input shaft; the first connecting column is arranged along the axial direction of the input shaft; a second connecting column matched with the second through hole for use is arranged on one end face of the output shaft; the second connecting column is arranged along the axial direction of the output shaft; the service life of the star-shaped connecting block can be effectively prolonged.
Description
Technical Field
The utility model relates to a shaft coupling technical field especially relates to a star shaft coupling subassembly.
Background
With the rapid development of industrial automation technology, the application of shaft connection transmission is very wide, and various types of couplings are widely applied to transmission systems.
The star-shaped coupling assembly is used as one of the couplings, has the advantages of large transmission torque, low noise, convenience in processing and mounting, low price and the like, and can be widely applied to the field of industrial automatic transmission.
The connecting block of current star coupling is in the use, because the extrusion that receives the pivot produces deformation along its radial direction easily, very big shortening star coupling in the life of connecting block.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving current star coupling in the connecting block owing to receive the pivot extrusion and radially produce deformation along it, lead to shortening connecting block life's technical problem.
The embodiment of the utility model provides a star coupling, which comprises an input shaft, an output shaft and a star connecting block;
the star-shaped connecting block comprises a star-shaped connecting block body and a protective sleeve; the star-shaped connecting block body is disc-shaped; the protective sleeve is sleeved on the circumferential side wall of the star-shaped connecting block body and is abutted against the circumferential side wall of the star-shaped connecting block body; the end face of the star-shaped connecting block body is provided with at least two first through holes and at least two second through holes; the first through hole and the second through hole are arranged along the axial direction of the star-shaped connecting block body;
a first connecting column matched with the first through hole for use is arranged on one end face of the input shaft; the first connecting column is arranged along the axial direction of the input shaft; the first connecting column is used for being inserted into the first through hole;
a second connecting column matched with the second through hole for use is arranged on one end face of the output shaft; the second connecting column is arranged along the axial direction of the output shaft; the second connecting column is used for being inserted into the second through hole.
In some preferred embodiments, the first through holes and the second through holes are uniformly distributed on the same circumference of the star-shaped connecting block body, and the first through holes and the second through holes are arranged at intervals; correspondingly, the first connecting columns are uniformly distributed on the same circumference of one end face of the input shaft, and the second connecting columns are uniformly distributed on the same circumference of one end face of the output shaft.
In some preferred embodiments, an end of the first through hole is tapered for facilitating insertion of the first connection post into the first through hole.
In some preferred embodiments, an end of the second through hole is tapered for facilitating insertion of the second connection post into the second through hole.
In some preferred embodiments, one end of the first connecting column is connected with the input shaft, and the other end of the first connecting column is provided with a first semi-sphere; the first semi-sphere is used for facilitating the insertion of the first connecting column into the first through hole; the diameter of the first hemisphere is the same as the diameter of the first connecting column.
In some preferred embodiments, one end of the second connecting column is connected with the input shaft, and the other end of the second connecting column is provided with a second hemisphere; the second semi-sphere is used for conveniently inserting the second connecting column into the second through hole; the diameter of the second hemispheroid is the same as that of the second connecting column.
In some preferred embodiments, the number of the first through holes is the same as the number of the second through holes; correspondingly, the number of the first connecting columns is the same as that of the second connecting columns.
In some preferred embodiments, the number of the first through holes is 2 to 4; accordingly, the number of the first connecting columns is 2-4.
In some preferred embodiments, the number of the second through holes is 2 to 4; correspondingly, the number of the second connecting columns is 2-4.
In some preferred embodiments, the material of the star connection block body is polyurethane or cast nylon.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the star-shaped coupler in the utility model comprises an input shaft, an output shaft and a star-shaped connecting block; the star-shaped connecting block comprises a star-shaped connecting block body and a protective sleeve; the star-shaped connecting block body is disc-shaped; the protective sleeve is sleeved on the circumferential side wall of the star-shaped connecting block body and is abutted against the circumferential side wall of the star-shaped connecting block body; the end face of the star-shaped connecting block body is provided with at least two first through holes and at least two second through holes; the first through hole and the second through hole are arranged along the axial direction of the star-shaped connecting block body; a first connecting column matched with the first through hole for use is arranged on one end face of the input shaft; the first connecting column is arranged along the axial direction of the input shaft; the first connecting column is used for being inserted into the first through hole; a second connecting column matched with the second through hole for use is arranged on one end face of the output shaft; the second connecting column is arranged along the axial direction of the output shaft; the second connecting column is used for being inserted into the second through hole; through with first through-hole with the second through-hole is followed the axial setting of star connecting block body is in on the terminal surface of star connecting block body, and the protective sleeve is established to the cover on the circumference lateral wall of star connecting block body, can prevent effectively the fast body of star connection is because of in the use the input shaft with on the output shaft first spliced pole with the extrusion of second spliced pole the star connecting block body makes the star connecting block body radially takes place to deform and receives the damage along it for a long time, thereby the extension the life of star connecting block.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of a star coupler according to an embodiment of the present invention.
Fig. 2 is a side view of the spider coupling of fig. 1.
Fig. 3 is a cross-sectional view of the star coupling of fig. 2 taken along the direction a-a.
Fig. 4 is a schematic perspective view of the star connection block 2 in the star coupling of fig. 1.
Figure 5 is a side view of the star-shaped connector block 2 of figure 4.
Fig. 6 is a sectional view of the star-shaped joint block 2 of fig. 5 taken along the direction B-B.
Wherein, 1, an input shaft; 101. a first connecting column; 102. a first hemisphere; 2. a star-shaped connecting block; 201. a second through hole; 202. a first through hole; 203. a star-shaped connecting block body; 204. a protective sleeve; 3. an output shaft; 301. a second connecting column; 302. a second hemisphere.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1-4, an embodiment of the present invention provides a star coupler, which includes an input shaft 1, an output shaft 3, and a star connection block 2.
The star connection block 2 comprises a star connection block body 203 and a protection sleeve 204; the star-shaped connecting block body 203 is disc-shaped; the protective sleeve 204 is sleeved on the circumferential side wall of the star-shaped connecting block body 203 and is abutted against the circumferential side wall of the star-shaped connecting block body 203; the end surface of the star-shaped connecting block body 203 is provided with at least two first through holes 202 and at least two second through holes 201; the first through hole 202 and the second through hole 201 are arranged along the axial direction of the star connection block body 203; the star-shaped connecting block body 203 is made of polyurethane; the protective sleeve 204 and the peripheral side wall of the star-shaped connecting block body 203 are glued together by glue.
A first connecting column 101 matched with the first through hole 202 for use is arranged on one end surface of the input shaft 1; the first connecting column 101 is arranged along the axial direction of the input shaft 1; the first connecting post 101 is configured to be inserted into the first through hole 202; the first connecting column 101 is integrally formed with the input shaft 1; the diameter of the first connecting column 101 is equal to the inner diameter of the first through-hole 202.
A second connecting column 301 matched with the second through hole 201 is arranged on one end face of the output shaft 3; the second connecting column 301 is arranged along the axial direction of the output shaft 3; the second connecting column 301 is used for being inserted into the second through hole 201; the second connecting column 301 and the output shaft 3 are integrally formed; the diameter of the second connecting post 301 is equal to the inner diameter of the second through hole 201.
When in use, the first connecting column 101 and the second connecting column 301 are respectively inserted into the first through hole 202 and the second through hole 201 from two sides of the star-shaped connecting block 2; through setting up on the terminal surface of star connection block body 203 along the axial of star connection block body 203 with first through-hole 202 and second through-hole 201 to protective sleeve 204 is established to the cover on the circumference lateral wall of star connection block body 203, can prevent effectively that the fast body of star connection from because of input shaft 1 and the epaxial first spliced pole 101 of output shaft 3 and second spliced pole 301 extrusion star connection block body 203 in the use, make star connection block body 203 radially take place along it for a long time and deform and receive the damage, thereby prolong star connection block 2's life.
In a modification of this embodiment, the material of the star connection block body 203 may be cast nylon.
The protective sleeve 204 is made of metal or hard plastic; specifically, in this embodiment, the material of the protection sleeve 204 is stainless steel.
Specifically, referring to fig. 5, the number of the first through holes 202 and the second through holes 201 is 3 each; the first through holes 202 and the second through holes 201 are uniformly distributed on the same circumference of the star-shaped connecting block body 203, and the first through holes 202 and the second through holes 201 are arranged at intervals. Correspondingly, the number of the first connecting columns 101 is 3, and the first connecting columns 101 are uniformly and respectively arranged on the same circumference of one end face of the input shaft 1; the number of the second connecting columns 301 is 3, and the second connecting columns 301 are uniformly distributed on the same circumference of one end face of the output shaft 3.
As a modification of the present embodiment, the number of the first through holes 202 and the second through holes 201 may also be 2 or 4, respectively; accordingly, the number of the first connecting columns 101 and the second connecting columns 301 may be 2 or 4, respectively.
Further, referring to fig. 6, in order to facilitate the insertion of the first connection post 101 into the first through hole 202, one end portion of the first through hole 202 is tapered; in order to facilitate the insertion of the second connecting column 301 into the second through hole 201, one end of the second through hole 201 is tapered; the tapered portion of the first through-hole 202 and the tapered portion of the second through-hole 201 are located on both sides of the star connection block 2, respectively.
Referring to fig. 3, the first connecting post 101 is inserted into the first through hole 202 for the sake of more convenience; one end of the first connecting column 101 is connected with the input shaft 1, and the other end is provided with a first hemisphere 102; the diameter of the first hemisphere 102 is the same as the diameter of the first connecting column 101; the first connecting column 101 is integrally formed with the first hemisphere 102. Also, in order to facilitate the insertion of the second connecting post 301 into the second through hole 201; one end of the second connecting column 301 is connected with the input shaft 1, and the other end is provided with a second hemispheroid 302; the diameter of the second hemisphere 302 is the same as the diameter of the second connecting column 301; the second connecting column 301 and the second hemisphere 302 are integrally formed.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A star coupling is characterized by comprising an input shaft, an output shaft and a star connecting block;
the star-shaped connecting block comprises a star-shaped connecting block body and a protective sleeve; the star-shaped connecting block body is disc-shaped; the protective sleeve is sleeved on the circumferential side wall of the star-shaped connecting block body and is abutted against the circumferential side wall of the star-shaped connecting block body; the end face of the star-shaped connecting block body is provided with at least two first through holes and at least two second through holes; the first through hole and the second through hole are arranged along the axial direction of the star-shaped connecting block body;
a first connecting column matched with the first through hole for use is arranged on one end face of the input shaft; the first connecting column is arranged along the axial direction of the input shaft; the first connecting column is used for being inserted into the first through hole;
a second connecting column matched with the second through hole for use is arranged on one end face of the output shaft; the second connecting column is arranged along the axial direction of the output shaft; the second connecting column is used for being inserted into the second through hole.
2. The star coupling of claim 1, wherein the first and second through holes are evenly distributed on the same circumference of the star connection block body, the first and second through holes being spaced apart; correspondingly, the first connecting columns are uniformly distributed on the same circumference of one end face of the input shaft, and the second connecting columns are uniformly distributed on the same circumference of one end face of the output shaft.
3. The star coupling of claim 1, wherein an end of said first through bore is tapered for facilitating insertion of said first connection post into said first through bore.
4. The star coupling of claim 1, wherein an end of said second through bore is tapered for facilitating insertion of said second connecting post into said second through bore.
5. The star coupling of claim 1, wherein one end of said first connecting post is connected to said input shaft and the other end is provided with a first hemisphere; the first semi-sphere is used for facilitating the insertion of the first connecting column into the first through hole; the diameter of the first hemisphere is the same as the diameter of the first connecting column.
6. The star coupling of claim 1, wherein one end of said second connecting column is connected to said input shaft and the other end is provided with a second hemisphere; the second semi-sphere is used for conveniently inserting the second connecting column into the second through hole; the diameter of the second hemispheroid is the same as that of the second connecting column.
7. The star coupling of claim 1, wherein the number of first through holes is the same as the number of second through holes; correspondingly, the number of the first connecting columns is the same as that of the second connecting columns.
8. The star coupling of claim 1, wherein the number of said first through holes is 2-4; accordingly, the number of the first connecting columns is 2-4.
9. The star coupling of claim 1, wherein the number of said second through holes is 2-4; correspondingly, the number of the second connecting columns is 2-4.
10. The star coupling of claim 1, wherein the star connection block body is made of polyurethane or cast nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037733.2U CN214304917U (en) | 2020-12-16 | 2020-12-16 | Star coupling subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037733.2U CN214304917U (en) | 2020-12-16 | 2020-12-16 | Star coupling subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214304917U true CN214304917U (en) | 2021-09-28 |
Family
ID=77858177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023037733.2U Active CN214304917U (en) | 2020-12-16 | 2020-12-16 | Star coupling subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214304917U (en) |
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2020
- 2020-12-16 CN CN202023037733.2U patent/CN214304917U/en active Active
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