CN215521847U - Chain transmission structure - Google Patents
Chain transmission structure Download PDFInfo
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- CN215521847U CN215521847U CN202120461327.4U CN202120461327U CN215521847U CN 215521847 U CN215521847 U CN 215521847U CN 202120461327 U CN202120461327 U CN 202120461327U CN 215521847 U CN215521847 U CN 215521847U
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- chain
- seat
- tensioning
- wheel
- adjusting
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Abstract
The utility model discloses a chain transmission structure. The chain transmission structure comprises a chain wheel used for being transmitted with the toothed chain and a chain wheel seat, a chain wheel rotating shaft is installed on the chain wheel seat, the chain wheel is installed in a matched mode with the chain wheel rotating shaft, a first tensioning wheel is arranged on the chain wheel seat and is in contact fit with the toothed chain, the chain transmission structure further comprises a torsion spring seat, the torsion spring seat is riveted with the chain wheel seat, a torsion spring and a second tensioning wheel are arranged on the torsion spring seat, and the second tensioning wheel is in contact fit with the toothed chain. According to the chain transmission structure, the tensioning of the toothed chain is effectively adjusted by arranging the first tensioning wheel and the second tensioning wheel and adjusting the positions of the first tensioning wheel and the second tensioning wheel; meanwhile, the positions of the two tension wheels can be rotationally adjusted by riveting the chain wheel seat and the torsion spring seat, and the tightness can be adjusted to a greater extent.
Description
Technical Field
The utility model relates to the field of toothed chains, in particular to a chain transmission structure.
Background
Toothed chains, also known as Silent chains (Silent Chain), are a form of drive Chain. The national standard of China is as follows: GB/T10855-2003 "toothed chains and sprockets". The tooth chain is formed by connecting a series of tooth chain plates and guide plates which are assembled alternately and by pin shafts or combined hinge elements, and hinge joints are arranged between adjacent pitches. According to the guiding type, the method can be divided into: the external guide type toothed chain, the internal guide type toothed chain and the double internal guide type toothed chain have the advantages of low noise, high reliability, high motion precision and the like.
The toothed chain on the market at present is provided with overspeed device tensioner usually, but present overspeed device tensioner tensioning adjustment is loaded down with trivial details, and adjustable range is less.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a chain transmission structure which is large in tensioning adjustment range and simple in adjustment.
In order to achieve the purpose, the utility model adopts the following technical scheme that the chain transmission structure comprises a chain wheel used for being in transmission with the toothed chain, and further comprises a chain wheel seat, wherein a chain wheel rotating shaft is installed on the chain wheel seat, the chain wheel is installed in a matched mode with the chain wheel rotating shaft, a first tensioning wheel is arranged on the chain wheel seat, the first tensioning wheel is in contact fit with the toothed chain, the chain wheel seat further comprises a torsion spring seat, the torsion spring seat is riveted with the chain wheel seat, a torsion spring and a second tensioning wheel are arranged on the torsion spring seat, and the second tensioning wheel is in contact fit with the toothed chain.
In some embodiments, the first tensioning wheel comprises a first tensioning shaft and a first tensioning flange, the first tensioning shaft being in contact fit with the toothed chain.
In some embodiments, the second tensioning wheel comprises a second tensioning shaft and a second tensioning flange, the second tensioning shaft being in contact fit with the toothed chain.
In some embodiments, the torsion spring seat is provided with an adjusting shaft, the adjusting shaft is sleeved with an adjusting seat, one side of the adjusting seat is provided with a first adjusting nut, and the first adjusting nut is in contact fit with the adjusting seat.
In some embodiments, the second tensioning shaft is sleeved on the adjusting seat, a second adjusting nut and an adjusting screw are arranged on one side of the second tensioning shaft, the adjusting screw is in threaded fit with the second adjusting nut, and the second adjusting nut is in contact fit with the second tensioning shaft.
The utility model has the beneficial effects that: according to the chain transmission structure, the tensioning of the toothed chain is effectively adjusted by arranging the first tensioning wheel and the second tensioning wheel and adjusting the positions of the first tensioning wheel and the second tensioning wheel; meanwhile, the positions of the two tension wheels can be rotationally adjusted by riveting the chain wheel seat and the torsion spring seat, and the tightness can be adjusted to a greater extent.
Drawings
FIG. 1 is a schematic structural view of a chain transmission structure of the present invention;
fig. 2 is a schematic diagram of the back structure of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the chain transmission structure comprises a chain wheel 1 and a chain wheel seat 2 for transmission with a toothed chain, a chain wheel rotating shaft 3 is installed on the chain wheel seat 2, the chain wheel 1 and the chain wheel rotating shaft 3 are installed in a matched mode, a first tension wheel 4 is arranged on the chain wheel seat 2, the first tension wheel 4 is in contact fit with the toothed chain, the chain transmission structure further comprises a torsion spring seat 5, the torsion spring seat 5 is riveted with the chain wheel seat 4, a torsion spring 6 and a second tension wheel 7 are arranged on the torsion spring seat 5, and the second tension wheel 7 is in contact fit with the toothed chain.
The first tensioning wheel 4 comprises a first tensioning shaft 41 and a first tensioning flange 42, the first tensioning shaft 41 being in contact engagement with the toothed chain.
The second tensioning wheel 7 comprises a second tensioning shaft 71 and a second tensioning flange 72, the second tensioning shaft 71 being in contact fit with the toothed chain.
The torsion spring seat 5 is provided with an adjusting shaft 51, the adjusting shaft 51 is sleeved with an adjusting seat 52, one side of the adjusting seat 52 is provided with a first adjusting nut 53, and the first adjusting nut 53 is in contact fit with the adjusting seat 52.
The second tensioning shaft 71 is sleeved on the adjusting seat 52, a second adjusting nut 73 and an adjusting screw 74 are arranged on one side of the second tensioning shaft 71, the adjusting screw 74 is in threaded fit with the second adjusting nut 73, and the second adjusting nut 73 is in contact fit with the second tensioning shaft 71.
According to the chain transmission structure, the tensioning of the toothed chain is effectively adjusted by arranging the first tensioning wheel and the second tensioning wheel and adjusting the positions of the first tensioning wheel and the second tensioning wheel; meanwhile, the positions of the two tension wheels can be rotationally adjusted by riveting the chain wheel seat and the torsion spring seat, and the tightness can be adjusted to a greater extent.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. Chain drive structure, including sprocket (1) that is used for with the profile of tooth chain drive, its characterized in that still includes sprocket seat (2), install sprocket axis of rotation (3) on sprocket seat (2), sprocket (1) and sprocket axis of rotation (3) cooperation installation, be equipped with first take-up pulley (4) on sprocket seat (2), first take-up pulley (4) contact the cooperation with the profile of tooth chain, still include spring seat (5), spring seat (5) and sprocket seat (4) riveting, be equipped with torsional spring (6) and second take-up pulley (7) on spring seat (5), second take-up pulley (7) contact the cooperation with the profile of tooth chain.
2. Chain transmission according to claim 1, characterized in that the first tensioning wheel (4) comprises a first tensioning shaft (41) and a first tensioning flange (42), the first tensioning shaft (41) being in contact engagement with a toothed chain.
3. Chain transmission according to claim 1, characterized in that the second tensioning wheel (7) comprises a second tensioning shaft (71) and a second tensioning flange (72), the second tensioning shaft (71) being in contact engagement with a toothed chain.
4. The chain transmission structure as claimed in claim 3, wherein the torsion spring seat (5) is provided with an adjusting shaft (51), the adjusting shaft (51) is sleeved with an adjusting seat (52), one side of the adjusting seat (52) is provided with a first adjusting nut (53), and the first adjusting nut (53) is in contact fit with the adjusting seat (52).
5. The chain transmission structure as claimed in claim 4, wherein the second tensioning shaft (71) is sleeved on the adjusting seat (52), a second adjusting nut (73) and an adjusting screw (74) are arranged on one side of the second tensioning shaft (71), the adjusting screw (74) is in threaded fit with the second adjusting nut (73), and the second adjusting nut (73) is in contact fit with the second tensioning shaft (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120461327.4U CN215521847U (en) | 2021-03-03 | 2021-03-03 | Chain transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120461327.4U CN215521847U (en) | 2021-03-03 | 2021-03-03 | Chain transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521847U true CN215521847U (en) | 2022-01-14 |
Family
ID=79799919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120461327.4U Active CN215521847U (en) | 2021-03-03 | 2021-03-03 | Chain transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521847U (en) |
-
2021
- 2021-03-03 CN CN202120461327.4U patent/CN215521847U/en active Active
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