Motorcycle clutch bearing

Abstract

The utility model relates to the technical field of clutches, in particular to a motorcycle clutch bearing which comprises a bearing outer ring, a bearing retainer, a plurality of rivets, a plurality of bearing steel balls and a bearing inner ring. When the clutch bearing is assembled, the plurality of bearing steel balls are respectively placed in the bearing retainer, then the bearing retainer is fixed through the plurality of rivets, and then the bearing inner ring is sleeved on the inner side of the bearing outer ring to be matched with the plurality of bearing steel balls, so that the assembly of the clutch bearing can be completed. The bearing outer ring, the bearing inner ring and the bearing steel balls are subjected to strengthening heat treatment, so that the overall hardness is increased, and the wear resistance is 2-5 times that of conventional heat treatment machining, and therefore, the problem that the service life is relatively short due to relatively poor wear resistance of the bearing inner ring and the bearing outer ring of the conventional motorcycle clutch bearing in a conventional heat treatment machining mode is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of clutches, in particular to a motorcycle clutch bearing. Background Art

[0002] The main function of motorcycle bearings is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Motorcycle bearings reduce the sliding friction between the shaft and the shaft seat and convert it into rolling friction, thereby reducing friction loss.

[0003] The existing motorcycle clutch bearing adopts conventional heat treatment processing method as a whole, and the wear resistance of the bearing inner ring and the bearing outer ring is poor, resulting in a short service life. Utility Model Content

[0004] The purpose of the utility model is to provide a motorcycle clutch bearing, aiming to solve the problem that the existing motorcycle clutch bearing has poor wear resistance of the bearing inner ring and the bearing outer ring through conventional heat treatment processing, resulting in a short service life.

[0005] To achieve the above-mentioned purpose, the utility model provides a motorcycle clutch bearing, comprising a bearing outer ring, a bearing retainer, a plurality of rivets, a plurality of bearing steel balls and a bearing inner ring;

[0006] The bearing outer ring has a bearing outer ring groove and a bearing outer ring sealing groove, and the bearing outer ring groove is located on one side of the bearing outer ring; the bearing outer ring sealing groove is located on one side of the bearing outer ring; the bearing retainer is arranged on one side of the bearing outer ring; multiple rivets are respectively arranged on one side of the bearing retainer; multiple bearing steel balls are respectively located inside the bearing retainer; the bearing inner ring is arranged on one side of the bearing retainer; the bearing inner ring has a bearing inner ring groove, and the bearing inner ring groove is located on one side of the bearing inner ring.

[0007] Wherein, the motorcycle clutch bearing further includes a bearing sealing ring, and the bearing sealing ring is respectively arranged between the bearing outer ring and the bearing inner ring.

[0008] Wherein, the strength of the bearing outer ring is 60.5-63.5HRC.

[0009] Wherein, the bearing inner ring strength is 60.5-63.5HRC.

[0010] Wherein, the strength of the bearing steel ball is 61.5-64.5HRC.

[0011] Wherein, the groove curvature radius of the bearing inner ring groove is R2.06~R2.09.

[0012] Wherein, the groove curvature radius of the bearing outer ring groove is R2.10 to R2.13.

[0013] Wherein, the blocking diameter size of the bearing outer ring sealing groove is 1.05 to 1.1 cm.

[0014] Wherein, the diameter of the inner ring of the bearing is 18.75-18.78 cm.

[0015] The utility model provides a motorcycle clutch bearing, wherein the bearing retainer is composed of two half retainers, the bearing retainer is arranged on the bearing outer ring, and then a plurality of bearing steel balls are respectively placed in the bearing retainer, and then the bearing retainer is fixed by a plurality of rivets, and then the bearing inner ring is sleeved on the inner side of the bearing outer ring and matched with the plurality of bearing steel balls, so as to complete the assembly of the clutch bearing, the bearing outer ring, the bearing inner ring and the bearing steel balls are subjected to enhanced heat treatment to increase the overall hardness and make the wear resistance thereof 2-5 times that of conventional heat treatment processing, thereby solving the problem that the conventional heat treatment processing method is used for existing motorcycle clutch bearings, wherein the wear resistance of the bearing inner ring and the bearing outer ring is poor, resulting in a short service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0017] Figure 1 It is a sectional view of the entirety of the present invention.

[0018] Figure 2 It is a cross-sectional view of the bearing inner ring of the present utility model.

[0019] Figure 3 It is a cross-sectional view of the bearing outer ring of the present utility model.

[0020] 101-bearing outer ring, 102-bearing retainer, 103-rivet, 104-bearing steel ball, 105-bearing inner ring, 106-bearing outer ring groove, 107-bearing inner ring groove, 108-bearing outer ring sealing groove, 109-bearing sealing ring. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 3 ,in, Figure 1 It is a cross-sectional view of the entire utility model. Figure 2 This is a cross-sectional view of the bearing inner ring of the utility model. Figure 3 It is a cross-sectional view of the bearing outer ring of the present utility model.

[0022] The utility model provides a motorcycle clutch bearing, comprising a bearing outer ring 101, a bearing retainer 102, a plurality of rivets 103, a plurality of bearing steel balls 104, a bearing inner ring 105 and a bearing sealing ring 109. The bearing outer ring 101 has a bearing outer ring groove 106 and a bearing outer ring sealing groove 108. The above-mentioned solution solves the problem of the existing motorcycle clutch bearing, in which the bearing inner ring 105 has a bearing inner ring groove 107 and the bearing inner ring 105 and the bearing outer ring 101 have poor wear resistance through conventional heat treatment processing, resulting in a short service life.

[0023] The bearing outer ring groove 106 is located on one side of the bearing outer ring 101; the bearing outer ring sealing groove 108 is located on one side of the bearing outer ring 101, and the bearing retainer 102 is arranged on one side of the bearing outer ring 101; a plurality of rivets 103 are respectively arranged on one side of the bearing retainer 102; a plurality of bearing steel balls 104 are respectively located inside the bearing retainer 102; the bearing inner ring 105 is arranged on one side of the bearing retainer 102; the bearing inner ring groove 107 is located on one side of the bearing inner ring 105; the bearing retainer 102 is composed of two half retainers, the bearing retainer 102 is arranged on the bearing outer ring 101, and then a plurality of bearing steel balls The balls 104 are placed in the bearing retainer 102 respectively, and then the bearing retainer 102 is fixed by multiple rivets 103, and then the bearing inner ring 105 is sleeved on the inner side of the bearing outer ring 101 to cooperate with multiple bearing steel balls 104 to complete the assembly of the clutch bearing. The bearing outer ring 101, the bearing inner ring 105 and the bearing steel balls 104 are subjected to enhanced heat treatment to increase the overall hardness and make its wear resistance 2-5 times that of conventional heat treatment processing, thereby solving the problem that the existing motorcycle clutch bearing has poor wear resistance of the bearing inner ring 105 and the bearing outer ring 101 through conventional heat treatment processing, resulting in a shorter service life.

[0024] The motorcycle clutch bearing also includes a bearing sealing ring 109, which is respectively arranged between the bearing outer ring 101 and the bearing inner ring 105. The inner lip of the bearing sealing ring 109 is interference fit with the bearing outer ring 101 and the bearing inner ring 105 to improve the bearing sealing performance, prevent foreign matter from entering and prevent lubricating grease leakage, and further improve the service life of the bearing.

[0025] The bearing outer ring 101 has a strength of 60.5-63.5 HRC.

[0026] The bearing inner ring 105 has a strength of 60.5-63.5 HRC.

[0027] The bearing steel ball 104 has a strength of 61.5-64.5 HRC.

[0028] The curvature radius of the bearing inner ring groove 107 is R2.06 to R2.09.

[0029] The curvature radius of the bearing outer ring groove 106 is R2.10 to R2.13.

[0030] The diameter of the bearing outer ring sealing groove 108 is 1.05 to 1.1 cm.

[0031] The diameter of the bearing inner ring 105 is 18.75-18.78 cm.

[0032] When using a motorcycle clutch bearing described in this embodiment, the bearing retainer 102 is composed of two half retainers, the bearing retainer 102 is set on the bearing outer ring 101, and then the multiple bearing steel balls 104 are respectively placed in the bearing retainer 102, and then the bearing retainer 102 is fixed by the multiple rivets 103, and then the bearing inner ring 105 is sleeved on the inner side of the bearing outer ring 101 and matched with the multiple bearing steel balls 104 to complete the assembly of the clutch bearing. The diameter size of the bearing outer ring sealing groove 108 is 1.05 to 1.1 cm, which is convenient for installing the bearing sealing ring. The inner lip of the bearing sealing ring 109 is interference fit with the bearing outer ring 101 and the bearing inner ring 105 to improve the bearing sealing performance, avoid the entry of foreign matter and prevent the leakage of lubricating grease, and further improve the service life of the bearing. The bearing inner ring 105 and the bearing steel ball 104 are subjected to enhanced heat treatment, wherein the strength of the bearing outer ring 101 and the bearing inner ring 105 are both 60.5-63.5HRC, and the strength of the bearing steel ball 104 is 61.5-64.5HRC, thereby increasing the overall hardness so that its wear resistance is 2-5 times that of conventional heat treatment processing, increasing the groove curvature radius of the bearing outer ring groove 106 to R2.10-R2.13 and the groove curvature radius of the bearing inner ring groove 107 to R2.06-R2.09, thereby increasing the original contact angle of the bearing, enabling it to increase the bearing's ability to withstand axial force, and increasing the bearing inner ring's stop diameter to 18.75-18.78cm so that the bearing has a larger contact angle and can withstand greater axial force, thereby solving the problem that the existing motorcycle clutch bearing has poor wear resistance of the bearing inner ring 105 and the bearing outer ring 101 through conventional heat treatment processing, resulting in a shorter service life.

[0033] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A motorcycle clutch bearing, characterized in that: including a bearing outer ring, a bearing retainer, a plurality of rivets, a plurality of bearing steel balls and a bearing inner ring; The bearing outer ring has a bearing outer ring groove and a bearing outer ring sealing groove, and the bearing outer ring groove is located on one side of the bearing outer ring; the bearing outer ring sealing groove is located on one side of the bearing outer ring; the bearing retainer is arranged on one side of the bearing outer ring; multiple rivets are respectively arranged on one side of the bearing retainer; multiple bearing steel balls are respectively located inside the bearing retainer; the bearing inner ring is arranged on one side of the bearing retainer; the bearing inner ring has a bearing inner ring groove, and the bearing inner ring groove is located on one side of the bearing inner ring.

2. A motorcycle clutch bearing according to claim 1, characterized in that: The motorcycle clutch bearing further comprises a bearing sealing ring, which is arranged between the bearing outer ring and the bearing inner ring.

3. A motorcycle clutch bearing according to claim 2, characterized in that: The bearing outer ring strength is 60.5-63.5HRC.

4. A motorcycle clutch bearing according to claim 3, characterized in that: The bearing inner ring strength is 60.5-63.5HRC.

5. A motorcycle clutch bearing according to claim 4, characterized in that: The bearing steel ball has a strength of 61.5 to 64.5 HRC.

6. A motorcycle clutch bearing according to claim 5, characterized in that: The curvature radius of the groove of the bearing inner ring is R2.06 to R2.

09.

7. A motorcycle clutch bearing according to claim 6, characterized in that: The curvature radius of the groove of the bearing outer ring is R2.10 to R2.

13.

8. A motorcycle clutch bearing according to claim 7, characterized in that: The blocking diameter of the bearing outer ring sealing groove is 1.05 to 1.1 cm.

9. A motorcycle clutch bearing according to claim 8, characterized in that: The diameter of the inner ring of the bearing is 18.75 to 18.78 cm.

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