CN218670504U - One-way belt pulley - Google Patents
One-way belt pulley Download PDFInfo
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- CN218670504U CN218670504U CN202223049167.6U CN202223049167U CN218670504U CN 218670504 U CN218670504 U CN 218670504U CN 202223049167 U CN202223049167 U CN 202223049167U CN 218670504 U CN218670504 U CN 218670504U
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- way tooth
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Abstract
The utility model provides an one-way belt pulley, including belt pulley shell and dabber and outer lane, the outer wall integrated into one piece of dabber is equipped with the base, be equipped with a plurality of one-way tooth bodies along base outer wall circumference, constitute the mounting groove between the adjacent one-way tooth body, be equipped with spring assembly in the mounting groove, spring assembly includes roller and flat spring, roller and flat spring one end fixed connection, and the one-way tooth body fixed connection of flat spring and mounting groove one side, one-way tooth body department is located to the outer lane cover, the roller touches with the outer lane inner wall and connects, the dabber is equipped with ball bearing in one-way tooth body axial both sides cover, the apron, ball bearing sets up between apron and the one-way tooth body, the cover is equipped with the isolation adjusting shim between one-way tooth body axial top one side and the ball bearing, one-way tooth body is equipped with the fixed bolster between one end and the homonymy roller bearing downwards, fixed bolster and each one-way tooth body one end fixed connection downwards. The utility model discloses increased the intensity that one-way tooth body and dabber are connected, prevented one-way tooth body junction fracture increase of service life.
Description
Technical Field
The utility model relates to a belt pulley field, concretely relates to one-way belt pulley.
Background
The existing one-way belt pulley comprises a mandrel, a roller outer ring sleeved outside the mandrel and a shell sleeved outside the mandrel and the roller outer ring, wherein one-way tooth bodies are arranged on the inner wall of the roller outer ring in a circumferential orderly manner, placing grooves are formed between adjacent one-way tooth bodies, corresponding roller assemblies are arranged in each placing groove, each roller assembly comprises a roller and a spring, the roller assemblies are arranged on the roller outer ring, and the rollers generate pressure on the mandrel when the one-way belt pulley rotates at a high speed, so that the surface of the mandrel is deformed, and the service life of the mandrel is influenced; CN201821354169.7 provides a one-way belt pulley of an automobile generator, in which a roller assembly is disposed on a one-way gear mandrel (i.e. a mandrel), a plurality of one-way gear bodies are fixed on an outer wall of the one-way gear mandrel, any one of the one-way gear bodies is connected with a flat spring, any one of the flat springs is connected with a roller (i.e. the spring assembly is disposed in a placement groove provided in the mandrel), and a roller outer ring is assembled outside the one-way gear mandrel to form a one-way gear mandrel clutch assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide an one-way belt pulley, increased the intensity that one-way tooth body and dabber are connected, prevent one-way tooth body junction fracture increase of service life.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an one-way belt pulley, includes the belt pulley shell and sets up dabber and outer lane in the belt pulley shell, the outer wall integrated into one piece of dabber is equipped with the base, follows the fixed a plurality of one-way tooth bodies that are equipped with of base outer wall circumference equidistance, it is adjacent constitute the mounting groove between the one-way tooth body, be equipped with spring assembly in the mounting groove, spring assembly includes roller and flat spring, roller and flat spring one end fixed connection, and the one-way tooth body fixed connection of the relative roller one end of flat spring and mounting groove one side, one-way tooth body department is located to the outer lane cover, roller and outer lane inner wall touch, outer lane and belt pulley shell inner wall tight fit set up, the dabber is equipped with ball bearing, apron in proper order in one-way tooth body axial both sides, ball bearing sets up between apron and one-way tooth body, the cover is equipped with isolation adjustment gasket, characterized by one side above one-way tooth body axial and ball bearing: and a fixed backing plate is arranged between the downward end of the unidirectional gear shaft and the roller bearing at the same side, and the fixed backing plate is fixedly connected with the downward end of each unidirectional gear shaft.
The utility model has the characteristics as above: the fixed bolster replaces the isolation adjusting shim that one of them one end of the unidirectional tooth body was equipped with and acts as the effect of isolation adjusting shim, fixed bolster makes to be equipped with the connecting piece between each unidirectional tooth body with unidirectional tooth body fixed connection, when unidirectional tooth body atress, unidirectional tooth body and dabber junction and the effect of two departments bearing forces of unidirectional tooth body and fixed bolster junction, increase the atress department, the dispersion atress avoids single tie point atress, and fixed bolster has further strengthened unidirectional tooth body circumference stress intensity.
The utility model discloses further setting is: the fixed backing plate and the unidirectional tooth body are integrally formed.
The utility model has the characteristics as above: the fixed backing plate and the one-way tooth body are integrally formed, so that machining procedures are reduced, the fixed backing plate and the mandrel are higher in concentricity due to the integral forming, and deflection is avoided.
The utility model discloses further setting is: the one-way tooth body is equipped with the cambered surface towards mounting groove side end face, the one-way tooth body is equipped with the plane relative to cambered surface side end face, the relative roller one end of flat spring and plane fixed connection.
The utility model has the characteristics as above: the plane that the one-way tooth body was equipped with is convenient to be connected with flat spring, and the cambered surface that the one-way tooth body was equipped with agrees with the roller surface, increases the area of contact of roller and one-way tooth body for the atress is more even when roller and one-way tooth body contact, extension roller life.
The utility model discloses further setting is: the installation groove has seted up the arc wall towards cambered surface one end on the base, the roller sets up in the arc wall, just the roller touches with the arc wall and connects, the arc wall is including the first segmental arc, slope section and the second segmental arc that set gradually, first segmental arc and cambered surface connection.
The utility model has the characteristics as above: the setting of first segmental arc and second segmental arc for the contact surface is bigger when roller offsets with the arc wall both ends, and the contact surface increases and makes the atress more even, and first segmental arc is connected with the cambered surface and constitutes big cambered surface, further increases the stress surface, and the atress is more even.
The utility model has the advantages that: the fixed bolster replaces the isolation adjusting shim that one of them one end of the unidirectional tooth body was equipped with and acts as the effect of keeping apart adjusting shim, fixed bolster and unidirectional tooth body integrated into one piece for the unidirectional tooth body is used for dispersing the impact that the roller striking produced as newly-increased stress point with the fixed bolster junction, and has strengthened structural strength, reduces the one-way tooth body and base junction fracture risk, extension one-way belt pulley life.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of the embodiment of the present invention after the pulley housing is removed.
Fig. 2 is a schematic perspective view of an embodiment of the present invention.
Fig. 3 is a schematic perspective view of the spindle, the base, the one-way gear body, the flat spring and the roller portion according to the embodiment of the present invention.
Fig. 4 is a schematic perspective view of the spindle, the base, the one-way gear body, the flat spring and the roller portion according to the embodiment of the present invention.
Fig. 5 is a schematic perspective view of the spindle, the base, the one-way gear body and the fixed backing plate according to the embodiment of the present invention.
Fig. 6 is a schematic perspective view of the spindle, the base, the one-way gear body and the fixed backing plate according to the embodiment of the present invention.
Fig. 7 is a schematic perspective view of a pulley housing according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-7, the one-way belt pulley comprises a belt pulley housing 2 provided with a cavity 1, and a mandrel 3 and an outer ring 4 arranged in the cavity 1 of the belt pulley housing 2, wherein the outer wall of the mandrel 3 is integrally formed with a base 5, a plurality of one-way gear bodies 6 are arranged at equal intervals along the circumferential direction of the outer wall of the base 5, the number of the one-way gear bodies 6 is two, specifically six or eight, eight arrangements are adopted in the embodiment, a mounting groove 7 is formed between adjacent one-way gear bodies 6, a group of rollers 8 and a flat spring 9 are respectively arranged in each mounting groove 7, the rollers 8 are fixedly connected with one end of the flat spring 9, one end of the flat spring 9 opposite to the rollers 8 is fixedly connected with the one-way gear body 6 on one side of the mounting groove 7, the outer ring 4 is sleeved at the one-way gear body 6, and the axial height of the outer ring 4 is not less than the axial height of the one-way gear body 6, so that the outer ring 4 completely covers the one-way gear body 6, the rollers 8 are contacted with the inner wall of the outer ring 4, the outer ring 4 is arranged in a close fit manner with the one-way wheel shell 2, the mandrel 3 is sequentially sleeved with the ball bearings 10 and the cover plate 11 at two axial sides of the one-way gear body 6, the ball bearings 10 are arranged between the cover plate 11 and the one-way gear body 6, the isolation adjusting gasket 13 is sleeved between one axial upper side of the one-way gear body 6 and the ball bearings 10, the fixed gasket 14 is arranged between one axial lower end of the one-way gear body 6 and the roller bearings 10 at the same side, the fixed gasket 14 is fixedly connected with one axial lower end of each one-way gear body 6, the ball bearings 10, the isolation adjusting gaskets 13 and the fixed gasket 14 are also arranged in the cavity 1, the cover plate grooves 12 shown in figure 7 are respectively arranged at the tail ends of two ends of the cavity 1, the two cover plates 11 are respectively embedded in the cover plate grooves 12, the fixed gasket 14 and the one-way gear body 6 are integrally formed, the end surface 601 of one side of the one-way gear body 6 facing the mounting groove 7, one-way tooth 6 is equipped with plane 602 relative cambered surface 601 side end face, the relative roller 8 one end of flat spring 9 and plane 602 fixed connection, mounting groove 7 has seted up arc wall 15 towards cambered surface 601 one end on base 5, roller 8 sets up in arc wall 15 and touches with arc wall 15, arc wall 15 is including the first segmental arc 1501, slope section 1502 and the second segmental arc 1503 that set gradually, first segmental arc 1501 is connected with cambered surface 601.
Claims (4)
1. The utility model provides an one-way belt pulley, includes the belt pulley shell and sets up dabber and outer lane in the belt pulley shell, the outer wall integrated into one piece of dabber is equipped with the base, follows the fixed a plurality of one-way tooth bodies that are equipped with of base outer wall circumference equidistance, it is adjacent constitute the mounting groove between the one-way tooth body, be equipped with spring assembly in the mounting groove, spring assembly includes roller and flat spring, roller and flat spring one end fixed connection, and the one-way tooth body fixed connection of the relative roller one end of flat spring and mounting groove one side, one-way tooth body department is located to the outer lane cover, roller and outer lane inner wall touch, outer lane and belt pulley shell inner wall tight fit set up, the dabber is equipped with ball bearing, apron in proper order in one-way tooth body axial both sides, ball bearing sets up between apron and one-way tooth body, the cover is equipped with isolation adjustment gasket, characterized by one side above one-way tooth body axial and ball bearing: and a fixed backing plate is arranged between the downward end of the unidirectional gear shaft and the roller bearing at the same side, and the fixed backing plate is fixedly connected with the downward end of each unidirectional gear shaft.
2. A one-way pulley as claimed in claim 1, wherein: the fixed backing plate and the unidirectional tooth body are integrally formed.
3. A one-way pulley as claimed in claim 2, wherein: the one-way tooth body is equipped with the cambered surface towards mounting groove side end face, the one-way tooth body is equipped with the plane relative to cambered surface side end face, the relative roller one end of flat spring and plane fixed connection.
4. A one-way pulley as claimed in claim 3, wherein: the installation groove has seted up the arc wall towards cambered surface one end on the base, the roller sets up in the arc wall, just the roller touches with the arc wall and connects, the arc wall is including the first segmental arc, slope section and the second segmental arc that set gradually, first segmental arc and cambered surface connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223049167.6U CN218670504U (en) | 2022-11-16 | 2022-11-16 | One-way belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223049167.6U CN218670504U (en) | 2022-11-16 | 2022-11-16 | One-way belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670504U true CN218670504U (en) | 2023-03-21 |
Family
ID=85537101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223049167.6U Active CN218670504U (en) | 2022-11-16 | 2022-11-16 | One-way belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670504U (en) |
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2022
- 2022-11-16 CN CN202223049167.6U patent/CN218670504U/en active Active
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