Integrated one-way clutch

Abstract

The utility model discloses an integrated one-way clutch which comprises an inner ring and an outer ring, a first raceway and a second raceway are formed between the inner ring and the outer ring, balls are arranged on the first raceway, special-shaped rollers and a retainer are arranged on the second raceway, and the retainer is arranged on the first raceway and the second raceway. The special-shaped roller comprises a first contact surface, a first transition surface, a second contact surface and a second transition surface which are connected in sequence, the first contact surface abuts against the outer ring, the second contact surface abuts against the inner ring, a positioning groove is formed in the first transition surface, a step groove is formed in the second transition surface, and the positioning groove is matched with the step groove. The special-shaped rollers are connected with the retainer in a positioning mode through the positioning grooves, adjusting grooves are formed in the first contact faces, and adjusting springs abut against the positions between the adjusting grooves and the inner wall of the outer ring. And the structure is simple, the arrangement is reasonable, the use is more reliable, and a good load bearing effect is achieved.

Description

Technical Field

[0001] The utility model relates to an integrated one-way clutch. Background Art

[0002] The existing one-way bearing is a structure composed of an outer ring, an inner ring, a needle roller, a spring, and two gaskets. The process used in the matching area of ​​the outer ring and the needle roller is wire cutting, and the contact roughness with the needle roller is relatively large, which causes the overall structure to easily produce abnormal noise when in use, especially when riding, affecting the customer's riding experience; at the same time, the existing bearing does not bear radial loads and axial loads, affecting the service life of the structure, and the existing design has only a few needle rollers, generally three, so that the structure cannot well guarantee the anti-reverse torque of the one-way bearing, affecting the reliability of the structure. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an integrated one-way clutch, which has a simple structure, reasonable layout, more reliable use and good load-bearing effect.

[0004] To achieve the above-mentioned purpose, the utility model provides an integrated one-way clutch, including an inner ring and an outer ring, a first raceway and a second raceway are formed between the inner ring and the outer ring, balls are arranged on the first raceway, and special-shaped rollers and a retaining frame are arranged on the second raceway, the special-shaped rollers include a first contact surface, a first transition surface, a second contact surface and a second transition surface connected in sequence, the first contact surface abuts on the outer ring, the second contact surface abuts on the inner ring, a positioning groove is arranged on the first transition surface, a step groove is arranged on the second transition surface, the special-shaped roller is positioned and connected to the retaining frame through the positioning groove, an adjustment groove is arranged on the first contact surface, and an adjustment spring abuts between the adjustment groove and the inner wall of the outer ring.

[0005] The beneficial effect of such arrangement is as follows: such arrangement, through the combination of ball bearings and special-shaped rollers, makes the one-way operation of the overall structure more stable; at the same time, through the adjustment spring on the special-shaped roller, the bearing as a whole can bear radial loads and smaller axial loads, effectively improving the service life of the bearing; at the same time, through the adjustment spring, the special-shaped roller can be reset in time when it is forced to swing left and right, thereby reducing the abnormal noise of the one-way bearing; the combination design of plastic retaining frame and special-shaped particles is used to increase the number of special-shaped particles and improve the reverse torque of the one-way clutch; as a preferred embodiment, grinding processing technology can be used for the outer ring and the inner ring to improve the surface roughness and further reduce the abnormal noise of the bearing; this structure is simple, easy to implement and has a good use effect.

[0006] As a further configuration of the utility model, the retaining frame includes two connecting arms and a positioning arm, the positioning arms are positioned and connected to the positioning groove, one of the connecting arms abuts against one of the side walls of the special-shaped roller, and the other connecting arm abuts against the other side wall of the special-shaped roller, and the outer ring is provided with a connecting ring groove corresponding to the free end of the connecting arm, and the connecting ring groove is plug-fitted with the positioning arm.

[0007] The beneficial effect of such arrangement is that the retaining frame can reliably position the special-shaped roller, which is convenient for maintaining the position of the special-shaped roller. Meanwhile, the positioning is reliable, not easy to loosen or deviate, and has good reliability in use.

[0008] As a further configuration of the utility model, a shallow groove is provided in the adjustment groove, and the adjustment spring abuts against the shallow groove.

[0009] The beneficial effect of such arrangement is that the spring can be assisted in positioning to avoid deviation, and the arrangement has a good use effect. Meanwhile, the processing is convenient and the use is reliable.

[0010] As a further configuration of the utility model, a gasket is arranged on the inner ring at a position corresponding to the special-shaped roller, the inner edge of the gasket is connected to the inner ring, and the outer edge of the gasket is blocked on the special-shaped roller.

[0011] The beneficial effect of such arrangement is that the gasket can assist in positioning the special-shaped roller, and at the same time, the structure is simple, the positioning is reliable, and a good use effect is achieved.

[0012] As a further configuration of the utility model, a plurality of connecting pins are arranged on the outer ring.

[0013] The beneficial effect of such arrangement is that the convenience of structural connection is ensured, and at the same time, the structure is simple, the operation is convenient, and the use effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of the utility model;

[0016] Figure 3 It is a partial enlarged cross-sectional view of the position of the special-shaped roller and the cage in the embodiment of the utility model;

[0017] Figure 4 It is a schematic structural diagram of a special-shaped roller in an embodiment of the utility model. DETAILED DESCRIPTION

[0018] The implementation of the integrated one-way clutch of the utility model is as follows: Figures 1 to 4 As shown: it includes an inner ring 2 and an outer ring 1, a first raceway and a second raceway are formed between the inner ring 2 and the outer ring 1, the first raceway is provided with balls 3, the second raceway is provided with special-shaped rollers 5 and a retaining frame 6, the special-shaped rollers 5 include a first contact surface 51, a first transition surface 53, a second contact surface 52 and a second transition surface 54 connected in sequence, the first contact surface 51 abuts on the outer ring 1, the second contact surface 52 abuts on the inner ring 2, a positioning groove 55 is provided on the first transition surface 53, and a step groove is provided on the second transition surface 54, the special-shaped roller 5 is positioned and connected to the retaining frame 6 through the positioning groove 55, the first contact surface 51 is provided with an adjustment groove 56, and an adjustment spring 4 abuts against the inner wall of the outer ring 1. The beneficial effect of such arrangement is as follows: such arrangement, through the cooperation of the ball 3 and the special-shaped roller 5, makes the one-way operation of the overall structure more stable, and at the same time, through the adjustment spring 4 on the special-shaped roller 5, the bearing as a whole can bear radial load and smaller axial load, effectively improving the service life of the bearing, and at the same time, through the adjustment spring 4, when the special-shaped roller 5 is forced to deflect left and right, it can be reset in time to reduce the abnormal noise of the one-way bearing; the combination design of the plastic retainer 6 and the special-shaped particles is used to increase the number of special-shaped particles and improve the reverse torque of the one-way clutch. As a preferred embodiment, the outer ring 1 and the inner ring 2 can be subjected to grinding processing technology to improve the surface roughness and further reduce the abnormal noise of the bearing. This structure is simple, easy to implement, and has a good use effect.

[0019] As a further configuration of this embodiment, the retainer 6 includes two connecting arms 62 and a positioning arm 61, wherein the positioning arm 61 is positioned and connected with the positioning groove 55, wherein one connecting arm 62 abuts against one side wall of the special-shaped roller 5, and the other connecting arm 62 abuts against the other side wall of the special-shaped roller 5, and the outer ring 1 is provided with a connecting annular groove 12 corresponding to the free end of the connecting arm 62, and the connecting annular groove 12 is plugged and matched with the positioning arm 61. The beneficial effect of such configuration is that, through such configuration, the retainer 6 can reliably position the special-shaped roller 5, facilitate the position maintenance of the special-shaped roller 5, and at the same time, the positioning is reliable, not easy to loosen and deviate, and has good reliability in use.

[0020] As a further configuration of this embodiment, a shallow groove is provided in the adjustment groove 56, and the adjustment spring 4 abuts against the shallow groove. The beneficial effect of this configuration is that the adjustment spring 4 is assisted in positioning and avoids deviation, which has a good use effect, is convenient to process, and is reliable to use.

[0021] As a further configuration of this embodiment, a gasket 21 is provided on the inner ring 2 at a position corresponding to the shaped roller 5, the inner edge of the gasket 21 is connected to the inner ring 2, and the outer edge of the gasket 21 is shielded on the shaped roller 5. The beneficial effect of this configuration is that the gasket 21 can assist in positioning the shaped roller 5, and the structure is simple, the positioning is reliable, and a good use effect is achieved.

[0022] As a further configuration of this embodiment, a plurality of connecting pins 11 are provided on the outer ring 1. The beneficial effect of such configuration is that the convenience of structural connection is ensured by such configuration, and at the same time, the structure is simple, the operation is convenient, and the use effect is good.

[0023] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. An integrated one-way clutch, comprising an inner ring and an outer ring, characterized in that: A first raceway and a second raceway are formed between the inner ring and the outer ring, balls are arranged on the first raceway, and special-shaped rollers and a retaining frame are arranged on the second raceway. The special-shaped roller comprises a first contact surface, a first transition surface, a second contact surface and a second transition surface connected in sequence, the first contact surface abuts against the outer ring, the second contact surface abuts against the inner ring, a positioning groove is arranged on the first transition surface, a step groove is arranged on the second transition surface, the special-shaped roller is positioned and connected to the retaining frame via the positioning groove, an adjustment groove is arranged on the first contact surface, and an adjustment spring abuts against the adjustment groove and the inner wall of the outer ring.

2. The integrated one-way clutch according to claim 1, characterized in that: The retaining frame includes two connecting arms and a positioning arm, and the positioning arms are positioned and connected to the positioning groove, one of the connecting arms abuts against one side wall of the special-shaped roller, and the other connecting arm abuts against the other side wall of the special-shaped roller. The outer ring is provided with a connecting ring groove corresponding to the free end of the connecting arm, and the connecting ring groove is plug-fitted with the positioning arm.

3. The integrated one-way clutch according to claim 1, characterized in that: A shallow groove is arranged in the adjustment groove, and the adjustment spring abuts against the shallow groove.

4. The integrated one-way clutch according to claim 1, 2 or 3, characterized in that: A gasket is arranged on the inner ring at a position corresponding to the special-shaped roller, the inner edge of the gasket is connected to the inner ring, and the outer edge of the gasket is shielded on the special-shaped roller.

5. The integrated one-way clutch according to claim 1, characterized in that: A plurality of connecting pins are arranged on the outer ring.

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