Shifting fork structure of starter isolator

Abstract

The shifting fork structure of the starter isolator comprises a shifting fork body, the shifting fork body is formed by splicing two shifting fork half portions to form a shifting fork rod, and a small split portion and a large split portion which are located at the two ends of the shifting fork rod. A vibration reduction clamping pad is arranged at the splicing position of the two shifting fork half parts, the two shifting fork half parts clamp the vibration reduction clamping pad to be fixedly arranged in the splicing process, and the vibration reduction clamping pad is arranged at the splicing seam of the shifting fork rod in an extruding mode. According to the split type shifting fork structure, the damping clamping pad is arranged on the shifting fork rod of the shifting fork structure in a large-area extrusion mode, the anti-vibration capacity of the split type shifting fork structure can be improved, and the situation that the operation safety of a starter is affected due to vibration damage in the operation process of the shifting fork is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of starter overrunning clutches, and particularly relates to a fork structure of a starter overrunning clutch. Background Art

[0002] According to the structural composition of the fork rod, the fork structure of the starter overrunning clutch can be divided into an integral fork and a split fork. The two fork rods of the split fork are spliced and fastened. Affected by the operating conditions of the starter, the split fork has the problem that the splicing structure becomes loose due to vibration. After the structure becomes loose, it will also increase the vibration of the overrunning clutch, thereby affecting the operating safety and service life of the entire starter. Summary of the Invention

[0003] Object of the Invention: In order to overcome the deficiencies in the prior art, the utility model provides a fork structure of a starter overrunning clutch. By squeezing and arranging damping pads on a large area of the fork rod of the fork structure, the anti-vibration ability of the split fork structure can be improved, and the operating safety of the starter can be prevented from being affected by vibration damage during the operation of the fork.

[0004] Technical Solution: To achieve the above object, a fork structure of a starter overrunning clutch of the utility model includes a fork body, which is formed by splicing two fork halves to form a fork rod and small split parts and large split parts at both ends of the fork rod; a damping pad is arranged at the splicing position of the two fork halves, and the two fork halves clamp the damping pad and are fixedly arranged during the splicing process.

[0005] Further, the splicing contact position of the two fork halves is located on the fork rod, and the damping pad is squeezed and arranged at the splicing joint of the fork rod.

[0006] Further, it includes a fastener on the fork rod, and the two spliced fork halves are fastened by the fastener.

[0007] Further, a central shaft hole corresponding to the fork shaft is opened on the fork rod.

[0008] Further, the large split part is matched with the fork ring of the overrunning clutch; a lower shaft hole is arranged at the opening of the large split part, and a lower shaft body corresponding to the lower shaft hole is arranged on the outer periphery of the fork ring. The two fork halves are spliced to make the lower shaft hole and the lower shaft body in shaft and hole plug-in fit.

[0009] Further, the small split part is matched with the electromagnetic control shaft of the starter; a connecting plate is connected between the small split part and the electromagnetic control shaft, and both ends of the connecting plate are rotatably connected and matched with the small split part and the electromagnetic control shaft respectively.

[0010] Further, an upper shaft hole is provided at the opening of the small split portion, a shaft pin is correspondingly provided on the connecting plate, and the upper shaft hole is inserted and matched with the shaft pin and hole during the splicing process of the two fork half portions; the connecting plate is hinged to the electromagnetic control shaft.

[0011] Further, wear-resistant sleeves are respectively installed in the middle shaft hole, the lower shaft hole and the upper shaft hole.

[0012] Beneficial effects: By arranging damping pads in a large area on the fork rod of the fork structure of the present utility model, the anti-vibration ability of the split fork structure can be improved, the influence of vibration damage on the operation safety of the starter during the operation of the fork can be avoided, and at the same time, the laying range of the damping pads covers all the splicing contact parts of the two fork half portions, and the damping coverage is comprehensive and the damping protection effect is better. Description of the Drawings

[0013] Figure 1 is the overall structural schematic diagram of the fork structure of the present utility model;

[0014] Figure 2 is the structural schematic diagram of a specific embodiment of the fork structure of the starter overrunning clutch of the present utility model;

[0015] Figure 3 is Figure 2 the structural decomposition schematic diagram. Detailed Embodiment

[0016] The present utility model will be further described below with reference to the drawings.

[0017] As Figure 1 and Figure 2 shown, a fork structure of a starter overrunning clutch includes a fork body 1, and the fork body 1 is spliced by two fork half portions 10 to form a fork rod 1a and small split portions 1b and large split portions 1c located at both ends of the fork rod 1a. There is a problem that the split fork is affected by vibration and the splicing structure becomes loose. After the structure becomes loose, it will also increase the vibration of the overrunning clutch, thereby affecting the operation safety and service life of the entire starter. To solve the above problems, in this utility model, damping pads 2 are provided at the splicing joints of the two fork half portions 10, and the two fork half portions 10 clamp the damping pads 2 and are fixedly arranged during the splicing process. In addition, the splicing contact positions of the two fork half portions 10 are located on the fork rod 1a, and the damping pads 2 are extruded at the splicing joint seams of the fork rod 1a. By arranging damping pads 2 in a large area on the fork rod 1a of the fork structure of the present utility model, the anti-vibration ability of the split fork structure can be improved, the influence of vibration damage on the operation safety of the starter during the operation of the fork can be avoided, and at the same time, the laying range of the damping pads 2 covers all the splicing contact parts of the two fork half portions 10, and the damping coverage is comprehensive and the damping protection effect is better.

[0018] To prevent the vibration damping pad 2 from running out of the splicing gap between the two fork halves 10 due to vibration, as Figure 3 shown, limiting grooves 10a are provided on the splicing surfaces of the two fork halves 10, and the vibration damping pad 2 is enclosed and limited by the limiting grooves 10a.

[0019] Preferably, in the present utility model, the vibration damping pad 2 can be a rubber pad.

[0020] The present utility model includes a fastener 3 on the fork rod 1a, and the two spliced fork halves 10 are fastened by the fastener 3. The fastener 3 is preferably a bolt and nut assembly.

[0021] As Figure 1 , Figure 2 and Figure 3 shown, a central axis hole 1.1 corresponding to the fork shaft is provided on the fork rod 1a, and the fork rod 1a is connected to the fork shaft through the central axis hole 1.1. The large split portion 1c is matched with the fork ring 30 of the one-way clutch; a lower shaft hole 1.2 is provided at the opening of the large split portion 1c, and a lower shaft body 4 corresponding to the lower shaft hole 1.2 is provided on the outer periphery of the fork ring 30. During the splicing process of the two fork halves 10, the lower shaft hole 1.2 is in shaft and hole plug-in fit with the lower shaft body 4, so that the large split portion 1c of the fork body 1 is rotationally connected and matched with the fork ring 30, and the friction between structures and the vibration generated by the friction can be avoided. The small split portion 1b is matched with the electromagnetic control shaft 5 of the starter; a connecting plate 6 is connected between the small split portion 1b and the electromagnetic control shaft 5, and both ends of the connecting plate 6 are rotationally connected and matched with the small split portion 1b and the electromagnetic control shaft 5 respectively. More specifically, an upper shaft hole 1.3 is provided at the opening of the small split portion 1b, a shaft pin 7 is correspondingly provided on the connecting plate 6, and during the splicing process of the two fork halves 10, the upper shaft hole 1.3 is in shaft and hole plug-in fit with the shaft pin 7; the connecting plate 6 is hinged to the electromagnetic control shaft 5.

[0022] To improve the anti-wear property between the fork half 10 and each shaft and extend the service life, in the present utility model, wear-resistant sleeves 8 are respectively installed in the central axis hole 1.1, the lower shaft hole 1.2 and the upper shaft hole 1.3, and the wear-resistant sleeves can be copper sleeves.

[0023] The above are only the preferred embodiments of the present utility model. It should be noted that: for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A fork structure of a starter non-return device, comprising a fork body (1), wherein the fork body (1) is composed of two fork halves (10) spliced ​​together to form a fork rod (1a) and a small fork portion (1b) and a large fork portion (1c) located at both ends of the fork rod (1a); characterized in that: A vibration-damping clamping pad (2) is provided at the joint of the two shift fork halves (10), and the two shift fork halves (10) clamp the vibration-damping clamping pad (2) to be fixed during the splicing process.

2. The fork structure of the starter isolator according to claim 1, characterized in that: The splicing contact position of the two shift fork halves (10) is located on the shift fork rod (1a), and the vibration-damping clamping pad (2) is extruded and arranged at the splicing seam of the shift fork rod (1a).

3. The fork structure of the starter isolator according to claim 1, characterized in that: It comprises a fastener (3) located on a shift fork rod (1a), and two spliced ​​shift fork halves (10) are fastened by the fastener (3).

4. The fork structure of the starter isolator according to claim 1, characterized in that: The shift fork rod (1a) is provided with a central axis hole (1.1) corresponding to the shift fork shaft.

5. The fork structure of the starter isolator according to claim 4, characterized in that: The large fork portion (1c) cooperates with the fork ring (30) of the one-way clutch; the opening of the large fork portion (1c) is provided with a lower shaft hole (1.2); the outer periphery of the fork ring (30) is provided with a lower shaft body (4) corresponding to the lower shaft hole (1.2); during the splicing process of the two fork halves (10), the lower shaft hole (1.2) and the shaft and hole of the lower shaft body (4) are plug-fitted.

6. The fork structure of the starter isolator according to claim 5, characterized in that: The small fork portion (1b) cooperates with the electromagnetic control shaft (5) of the starter; a connecting plate (6) is connected between the small fork portion (1b) and the electromagnetic control shaft (5), and two ends of the connecting plate (6) are respectively rotatably connected and cooperated with the small fork portion (1b) and the electromagnetic control shaft (5).

7. The fork structure of the starter isolator according to claim 6, characterized in that: The opening of the small fork portion (1b) is provided with an upper shaft hole (1.3), and the connecting plate (6) is correspondingly provided with an axle pin (7). During the splicing process, the two fork halves (10) are connected so that the upper shaft hole (1.3) and the shaft and hole of the axle pin (7) are plugged and matched; the connecting plate (6) is hinged to the electromagnetic control shaft (5).

8. The fork structure of the starter isolator according to claim 7, characterized in that: Anti-wear sleeves (8) are respectively embedded in the middle shaft hole (1.1), the lower shaft hole (1.2) and the upper shaft hole (1.3).

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