Bearing mechanism of transmission output connecting disc

Abstract

The utility model relates to a bearing mechanism of a transmission output connecting disc, and belongs to the technical field of automobile transmission equipment. According to the technical scheme, a single-row deep groove ball bearing (3) is arranged between a first step (11) and a third step (13), a clamping ring groove (15) is formed in the third step (13), an elastic check ring (4) for a hole is arranged in the clamping ring groove (15), and the single-row deep groove ball bearing (3) is fixed to the third step (13) of a rear body (2) through the elastic check ring (4) for the hole; a rear body oil seal (5) is arranged between the second step (12) and the fourth step (14), and a receiving disc dustproof cover (6) is arranged at the joint of the rear body (2) and the output receiving disc (10). The transmission has the advantages that the single-row deep groove ball bearing is installed on the rear body and used for supporting the output receiving disc, the bearing capacity of the transmission is improved, and radial run-out of the output receiving disc during operation of the transmission is reduced.

Description

Technical Field

[0001] The utility model relates to a bearing mechanism of a transmission output receiving plate, belonging to the technical field of automobile transmission equipment. Background Art

[0002] The output shaft of the automobile transmission is connected to the automobile drive shaft through the output plate to transmit power to the automobile. At present, there is no bearing fixed at the output plate of the two-wheel drive transmission in the existing technology, which leads to increased radial runout of the output plate when the engine is running, which may cause the rear body oil seal to fail due to eccentric wear, and may also affect the overall service life of the transmission due to excessive radial runout of the drive shaft. Utility Model Content

[0003] The utility model aims to provide a bearing mechanism for a transmission output receiving plate, which relies on a bearing to fix the output receiving plate, reduces radial runout of the output receiving plate, and solves the problems existing in the background technology.

[0004] The technical solution of the utility model is:

[0005] A bearing mechanism for an output receiving disc of a transmission comprises an output shaft, a rear body, a single-row deep groove ball bearing, a receiving disc dust cover, a locking nut and an output receiving disc. The output shaft in the rear body of the transmission penetrates into the output receiving disc and is connected together through the locking nut, and the rear body, the output shaft and the output receiving disc are coaxially arranged; a step one and a step two are arranged on the outer wall of the output receiving disc, a step three and a step four are arranged on the inner wall of the rear body, a single-row deep groove ball bearing is arranged between the step one and the step three, a retaining ring groove is arranged on the step three, a hole elastic retaining ring is arranged in the retaining ring groove, and the single-row deep groove ball bearing is fixed to the step three of the rear body through the hole elastic retaining ring; a rear body oil seal is arranged between the step two and the step four, and a receiving disc dust cover is arranged at the connection between the rear body and the output receiving disc.

[0006] Furthermore, the output receiving disc is fixed on the output shaft by means of a locking nut, a locking nut gasket and an O-ring.

[0007] Furthermore, the single-row deep groove ball bearing is clearance-matched with the rear body; the single-row deep groove ball bearing is clearance-matched with the output receiving plate.

[0008] The utility model has the beneficial effects that a single-row deep groove ball bearing is installed on the rear body to support the output receiving plate, thereby increasing the load-bearing capacity of the transmission and reducing the radial runout of the output receiving plate when the transmission is running. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the output receiving plate bearing mechanism of the utility model;

[0010] In the figure: output shaft 1, rear body 2, single row deep groove ball bearing 3, elastic retaining ring for hole 4, rear body oil seal 5, receiving plate dust cover 6, O-ring 7, locking nut gasket 8, locking nut 9, output receiving plate 10, step one 11, step two 12, step three 13, step four 14, retaining ring groove 15. DETAILED DESCRIPTION

[0011] The present invention will be further described below by way of examples with reference to the accompanying drawings.

[0012] See attached Figure 1 The present embodiment provides a bearing mechanism of a transmission output receiving plate, comprising an output shaft 1, a rear body 2, a single-row deep groove ball bearing 3, a receiving plate dust cover 6, a locking nut 9 and an output receiving plate 10. The output shaft 1 in the rear body 2 of the transmission penetrates into the output receiving plate 10 and is connected together by the locking nut 9. The rear body 2, the output shaft 1 and the output receiving plate 10 are coaxially arranged; the outer wall of the output receiving plate 10 is provided with a step 11 and a step 2 12, and the inner wall of the rear body 2 is provided with a step 12. A step three 13 and a step four 14 are provided on the wall, a single-row deep groove ball bearing 3 is provided between the step one 11 and the step three 13, a retaining ring groove 15 is provided on the step three 13, a hole elastic retaining ring 4 is provided in the retaining ring groove 15, and the single-row deep groove ball bearing 3 is fixed to the step three 13 of the rear body 2 through the hole elastic retaining ring 4; a rear body oil seal 5 is provided between the step two 12 and the step four 14, and a receiving disk dust cover 6 is provided at the connection between the rear body 2 and the output receiving disk 10.

[0013] Preferably, the output receiving plate 10 is fixed on the output shaft 1 by means of a locking nut 9 , a locking nut gasket 8 and an O-ring 7 .

[0014] Preferably, the connection plate dust cover 6 is press-fitted onto the output connection plate 10 .

[0015] Preferably, the single-row deep groove ball bearing 3 is clearance-fitted with the rear body 2 ; the single-row deep groove ball bearing 3 is clearance-fitted with the output receiving plate 10 .

[0016] See attached Figure 1 In the embodiment, the single-row deep groove ball bearing 3 is fixed to the rear body 2 through the hole with an elastic retaining ring 4, the rear body oil seal 5 is pressed onto the rear body 2, the receiving disk dust cover 6 is pressed onto the output receiving disk 10, and the output receiving disk 10 is fixed to the output shaft 1 through the locking nut 9, the locking nut gasket 8, and the O-ring 7. The single-row deep groove ball bearing 3 is clearance-matched with the output receiving disk 10 to support the output receiving disk 10, thereby increasing the load-bearing capacity of the transmission and reducing the radial runout of the output flange when the transmission is running.

Claims

1. A bearing mechanism for a transmission output plate, characterized in that: The gearbox comprises an output shaft (1), a rear body (2), a single-row deep groove ball bearing (3), a receiving plate dust cover (6), a locking nut (9) and an output receiving plate (10). The output shaft (1) in the rear body (2) of the gearbox passes through the output receiving plate (10) and is connected together through the locking nut (9). The rear body (2), the output shaft (1) and the output receiving plate (10) are coaxially arranged. The outer wall of the output receiving plate (10) is provided with a first step (11) and a second step (12). The inner wall of the rear body (2) is provided with a third step (13) and a second step (14). Step 4 (14), a single-row deep groove ball bearing (3) is provided between step 1 (11) and step 3 (13), a snap ring groove (15) is provided on step 3 (13), a hole elastic retaining ring (4) is provided in the snap ring groove (15), and the single-row deep groove ball bearing (3) is fixed to step 3 (13) of the rear body (2) through the hole elastic retaining ring (4); a rear body oil seal (5) is provided between step 2 (12) and step 4 (14), and a receiving plate dust cover (6) is provided at the connection between the rear body (2) and the output receiving plate (10).

2. The bearing mechanism of the transmission output plate according to claim 1, characterized in that: The output receiving disc (10) is fixed on the output shaft (1) via a locking nut (9), a locking nut gasket (8) and an O-ring (7).

3. The bearing mechanism of the transmission output plate according to claim 1, characterized in that: The single-row deep groove ball bearing (3) is clearance-matched with the rear body (2); and the single-row deep groove ball bearing (3) is clearance-matched with the output receiving plate (10).

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