CN211501514U - Formula car chain tensioning device - Google Patents
Formula car chain tensioning device Download PDFInfo
- Publication number
- CN211501514U CN211501514U CN202020046227.0U CN202020046227U CN211501514U CN 211501514 U CN211501514 U CN 211501514U CN 202020046227 U CN202020046227 U CN 202020046227U CN 211501514 U CN211501514 U CN 211501514U
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- CN
- China
- Prior art keywords
- differential mechanism
- differential
- mechanism support
- thread adjusting
- chain
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- Expired - Fee Related
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Abstract
The utility model discloses an equation motorcycle race chain overspeed device tensioner, including differential mechanism, the bearing is equipped with to the differential mechanism both sides, the differential mechanism support is equipped with on the bearing, two the stopper is equipped with between the differential mechanism support, differential mechanism support lower extreme is connected in the frame, the screw thread adjusting device is equipped with to differential mechanism support upper end, the screw thread adjusting device other end is connected in the frame, there is the spline to be used for installing the bull sprocket on the differential mechanism. The thread adjusting device is composed of a thread adjusting rod, an external thread rod end joint bearing, an adjusting steel pipe, two welding sleeves and two locking nuts, the adjusting steel pipe and the two welding sleeves are welded into a whole, and the thread adjusting rod and the external thread rod end joint bearing are connected through the welding sleeves on the adjusting steel pipe. The utility model discloses simplify the step of transmission system chain tensioning, realized the stepless tensioning of chain, guaranteed the precision that the tensioning was adjusted.
Description
Technical Field
The utility model relates to an equation motorcycle race chain overspeed device tensioner belongs to equation motorcycle race transmission system field.
Background
The formula car transmission system is a power transmission device located between the motor and the driving wheels, and functions to transmit power of the motor to the driving wheels. Most formula car at present all adopt chain drive, and too loose of chain can wear and tear chain and sprocket and consume motor power, and serious can break away from the sprocket and cause the accident.
The chain tensioning device of the existing transmission system has the defects of being too complex in adjustment, incapable of realizing stepless adjustment, difficult to synchronize the tensioning of two differential supports and the like, so that the chain tensioning device which is suitable for the transmission system of the formula car and convenient to adjust is designed to have very important significance.
Disclosure of Invention
For solving the problem of telling on equation motorcycle race transmission system, the utility model provides an equation motorcycle race chain overspeed device tensioner.
The utility model adopts the technical proposal that:
the utility model provides an equation motorcycle race chain overspeed device tensioner, includes differential mechanism, the bearing is equipped with to the differential mechanism both sides, be equipped with differential mechanism support on the bearing, two be equipped with the stopper between the differential mechanism support, differential mechanism support lower extreme is connected in the frame, differential mechanism support upper end is equipped with screw thread adjusting device, the screw thread adjusting device other end is connected in the frame, differential mechanism is last to have the spline to be used for installing big sprocket.
Preferably, the lower portion of the differential carrier is bolted to the frame through a hinge hole so that it can rotate about the mounting hole.
Preferably, a limiting block is arranged between the two differential gear supports, the distance and the parallelism of the two differential gear supports can be accurately controlled, and the two differential gear supports can synchronously rotate.
Preferably, the screw thread adjusting device comprises a screw thread adjusting rod, an external screw thread rod end joint bearing, an adjusting steel pipe, two welding covers and two lock nuts, the screw thread adjusting rod screw thread is dextrorotation, external screw thread rod end joint bearing screw thread is the levorotation, adjust steel pipe and two welding cover welding is as an organic whole, the screw thread adjusting rod with external screw thread rod end joint bearing passes through on the adjusting steel pipe the welding cover is connected, through rotating thereby adjust the steel pipe and realize screw thread adjusting device's extension and shorten, screw up two lock nuts behind the chain tensioning and accomplish screw thread adjusting device's locking.
Preferably, the tensioning of the chain is achieved by varying the length of the threaded adjustment means, thereby varying the centre distance of the drive.
Preferably, the two differential supports are both made of 7075-T6 aviation aluminum and are hollowed out through CAE topological optimization, so that the strength is met, and the weight of parts is reduced.
The utility model has the advantages that: the thread adjusting device simplifies the step of tensioning the chain of the transmission system, realizes stepless tensioning of the chain, and the limiting block synchronously tensions the two differential supports to ensure the precision of tensioning adjustment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial sectional view of the screw thread adjusting device of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, an equation motorcycle race chain overspeed device tensioner, including differential mechanism 1, differential mechanism 1 both sides are equipped with bearing 2, differential mechanism support 3 is equipped with on the bearing 2, two be equipped with stopper 4 between the differential mechanism support 3, differential mechanism support 3 lower extreme is connected in frame 5, differential mechanism support 3 upper end is equipped with screw thread adjusting device 6, the screw thread adjusting device 6 other end is connected in frame 5, differential mechanism 1 is last to have the spline to be used for installing big sprocket.
As shown in fig. 2, the thread adjusting device 6 includes an adjusting steel pipe 7, two ends of the adjusting steel pipe 7 are connected with a right end welding sleeve 8 and a left end welding sleeve 9, the right end welding sleeve 8 is connected with an external thread rod end joint bearing 10 through a left-hand thread, the left end welding sleeve 9 is connected with a thread adjusting rod 11 through a right-hand thread, and the external thread rod end joint bearing 10 and the thread adjusting rod 11 are both connected with a locking nut 12.
The lower portion of the differential carrier 3 is bolted to the frame 5 through a hinge hole so that it can rotate about the mounting hole.
Be equipped with stopper 4 between the differential mechanism support 3, can accurate control two the interval and the depth of parallelism of differential mechanism support 3, and make two differential mechanism support 3 synchronous revolution.
The chain is tensioned by changing the length of the thread adjusting device 6, thereby changing the center distance of the transmission.
The differential gear support 3 is made of 7075-T6 aviation aluminum, hollowing is carried out through CAE topological optimization, and the weight of parts is reduced while strength is met.
The utility model discloses when using, loosen lock nut 12 earlier, anticlockwise rotation adjusts steel pipe 7 and makes the screw thread adjusting device extension to increase transmission centre-to-centre spacing makes the chain tensioning, later screws up the tensioning of lock nut 12 completion chain again.
Claims (5)
1. An equation motorcycle chain tensioner, includes differential (1), its characterized in that: the differential mechanism is characterized in that bearings (2) are arranged on two sides of the differential mechanism (1), a differential mechanism support (3) is arranged on the bearings (2), a limiting block (4) is arranged between the two differential mechanism supports (3), the lower end of the differential mechanism support (3) is connected to a frame (5), a thread adjusting device (6) is arranged at the upper end of the differential mechanism support (3), the other end of the thread adjusting device (6) is connected to the frame (5), a spline is arranged on the differential mechanism (1) and used for installing a large chain wheel, the thread adjusting device (6) comprises an adjusting steel pipe (7), a right end welding sleeve (8) and a left end welding sleeve (9) are connected to two ends of the adjusting steel pipe (7), the right end welding sleeve (8) is connected with an external thread rod end joint bearing (10) through left-handed threads, the left end welding sleeve (9, and the external thread rod end oscillating bearing (10) and the thread adjusting rod (11) are both connected with a locking nut (12).
2. The chain tensioner as claimed in claim 1, wherein: the lower part of the differential bracket (3) is connected to the frame (5) through a hinged hole bolt, so that the differential bracket can rotate around the mounting hole.
3. The chain tensioner as claimed in claim 1, wherein: be equipped with stopper (4) between differential mechanism support (3), can accurate control two the interval and the depth of parallelism of differential mechanism support (3), and make two differential mechanism support (3) synchronous revolution.
4. The chain tensioner as claimed in claim 1, wherein: the chain is tensioned by changing the length of the thread adjusting device (6) so as to change the transmission center distance.
5. The chain tensioner as claimed in claim 1, wherein: the differential gear support (3) is made of 7075-T6 aviation aluminum, and is hollowed out through CAE topological optimization, so that the strength is met, and the weight of parts is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046227.0U CN211501514U (en) | 2020-01-10 | 2020-01-10 | Formula car chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046227.0U CN211501514U (en) | 2020-01-10 | 2020-01-10 | Formula car chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211501514U true CN211501514U (en) | 2020-09-15 |
Family
ID=72399506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046227.0U Expired - Fee Related CN211501514U (en) | 2020-01-10 | 2020-01-10 | Formula car chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211501514U (en) |
-
2020
- 2020-01-10 CN CN202020046227.0U patent/CN211501514U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20220110 |