Gear shifting booster with dust cover

Abstract

The utility model discloses a gear shifting booster with a dust cover, which belongs to the field of trucks and comprises a gear shifting booster body, the dust cover is fixedly mounted at the front end of the outer side of the gear shifting booster body and comprises an upper fixing piece and a lower fixing piece, and dust covers are mounted at the outer ends of the upper fixing piece and the lower fixing piece. According to the gear booster, the dust cover is installed at the front end of the outer side of the gear booster body, the multiple elastic rings are installed in the dust cover, the elastic rings are elastically supported, so that the circumferential portion of the dust cover can be opened, inward sinking is avoided, the dust cover is not prone to falling off, the dust cover is not prone to falling off, and the service life of the gear booster is prolonged. And the spring is installed between the upper fixing piece and the lower fixing piece, the spring can support the whole dust cover, deformation is avoided, the dust cover is prevented from being damaged, and the dust cover has the good protection effect.

Description

Technical Field

[0001] The utility model relates to the field of trucks, in particular to a shift booster with a dust cover. Background Art

[0002] A truck refers to a motor vehicle mainly used for transporting goods, and sometimes also refers to a vehicle that can tow other vehicles. It belongs to the category of commercial vehicles and can generally be divided into heavy-duty and light-duty types according to the vehicle weight.

[0003] In the prior art, a dust cover is provided at the piston rod of the shift booster. The dust cover is made of rubber material and is in a spring state. During use, it is found that during the process of the dust cover returning to its original state after being stretched, the side wall of the dust cover is prone to inward depression. Over time, it is easy to cause damage to the dust cover, thus failing to play a dust-proof role. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a shift booster with a dust cover, which solves the problem in the prior art that a dust cover is provided at the piston rod of the shift booster. The dust cover is made of rubber material and is in a spring state. During use, it is found that during the process of the dust cover returning to its original state after being stretched, the side wall of the dust cover is prone to inward depression. Over time, it is easy to cause damage to the dust cover, thus failing to play a dust-proof role.

[0005] The technical solution of the utility model is realized as follows: It includes a shift booster body. A dust cover is fixedly installed at the front end outside the shift booster body. The circumferential material of the dust cover is made of rubber material. The dust cover includes an upper fixing piece and a lower fixing piece, and the upper fixing piece and the lower fixing piece are made of stainless steel and rubber materials. A dust sleeve is installed at the outer ends of the upper fixing piece and the lower fixing piece. A plurality of elastic rings are installed inside the dust sleeve, and the elastic rings are made of elastic steel materials. A spring is installed between the upper fixing piece and the lower fixing piece.

[0006] By adopting the above technical solution, the circumferential part of the dust cover is supported by the dust ring to prevent the dust cover from being sunken inward. By setting a spring between the upper fixing piece and the lower fixing piece, the whole dust cover can be further supported. While improving the dust-proof effect of the dust cover, it also has the advantage of long service life.

[0007] Optionally, an inlet and an outlet are provided at the rear end of the shift booster body. A connecting seat is provided at the bottom of the shift booster body, and an internal thread is provided in the middle of the connecting seat, and the thread pitch is 1.5 millimeters.

[0008] By adopting the above technical solution, the inlet is used to connect the oil inlet pipe, the outlet is connected to the oil outlet pipe, and the connecting seat is used to connect the booster to the vehicle frame.

[0009] Optionally, a piston is provided at the front end of the shift booster body, and the piston is connected to the shift component.

[0010] By adopting the above technical solution, the piston movement is mainly used to realize the shift operation.

[0011] Optionally, an upper fixing ring and a lower fixing ring are fixedly installed at one end outside the shift booster body. The fixing ring and the lower fixing ring are respectively provided with a plurality of round holes, and a dust cover is installed on the upper fixing ring and the lower fixing ring through nuts.

[0012] By adopting the above technical solution, the dust cover is mainly fixed and installed by using the upper fixing ring and the lower fixing ring. Since the upper fixing ring and the lower fixing ring are separated from the dust cover respectively, it has the characteristic that the parts are detachable, avoiding the situation that the dust cover cannot be used due to damage at the connection part of the dust cover.

[0013] Optionally, a first sealing gasket is installed between the upper fixing ring and the dust cover. The first sealing gasket is made of rubber material. A second sealing gasket is installed between the lower fixing ring and the dust cover. The second sealing gasket is made of rubber material.

[0014] By adopting the above technical solution, the first sealing gasket is used for sealing between the upper fixing ring and the dust cover, and the second sealing gasket is used for sealing between the lower fixing ring and the dust cover.

[0015] Optionally, a first stud is provided on one side of the upper fixing ring. An upper fixing piece is installed on the outside of the first stud through a nut. The first stud is fixedly installed on one side of the upper fixing ring by welding.

[0016] By adopting the above technical solution, the first stud is used as a connecting part for connecting the upper fixing ring and the dust cover.

[0017] Optionally, a second stud is provided on one side of the lower fixing ring. A lower fixing piece is installed on the outside of the second stud through a nut. The second stud is fixedly installed on one side of the lower fixing ring by welding.

[0018] By adopting the above technical solution, the lower fixing ring and the dust cover can be connected.

[0019] Optionally, a first limiting ring is provided at the inner end of the upper fixing ring, and a second limiting ring is provided at the inner end of the lower fixing ring. The first limiting ring and the second limiting ring are respectively formed by turning.

[0020] By adopting the above technical solution, the first limiting ring and the second limiting ring are mainly used to limit the upper and lower parts of the center of the dust cover.

[0021] Advantages of the present utility model: A dust cover is installed at the front end outside the shift assistor body of the present utility model. A plurality of elastic rings are installed inside the dust cover. The elastic rings use elasticity to support, so that the circumferential part of the dust cover can be expanded to avoid inward depression. A spring is installed between the upper fixing piece and the lower fixing piece. The spring can support the whole dust cover to avoid deformation and damage to the dust cover, so that the dust cover has a good protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the overall structure diagram of an embodiment of the present utility model;

[0023] Figure 2 is the structure diagram of the dust cover and the connection part of an embodiment of the present utility model;

[0024] Figure 3 is the structure diagram of the upper fixing ring of an embodiment of the present utility model;

[0025] Figure 4 is the structure diagram of the lower fixing ring of an embodiment of the present utility model;

[0026] Figure 5 is the internal structure diagram of the dust cover of an embodiment of the present utility model;

[0027] Figure 6 is the structure of the elastic ring of an embodiment of the present utility model;

[0028] In the figure: 1. Shift assistor body; 2. Entrance; 3. Piston; 4. Outlet; 5. Connection seat; 6. Dust cover; 601. Upper fixing piece; 602. Dust sleeve; 603. Elastic ring; 604. Spring; 605. Lower fixing piece; 7. Upper fixing ring; 8. Lower fixing ring; 9. Sealing gasket 1; 10. Stud 1; 11. Limiting ring 1; 12. Nut; 13. Sealing gasket 2; 14. Stud 2; 15. Limiting ring 2. SPECIFIC EMBODIMENTS

[0029] To make the technical solutions of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments. As Figures 1 to 6As shown in the figure, the present utility model discloses a shift booster with a dust cover. The technical solution adopted is as follows: It includes a shift booster body 1. A dust cover 6 is fixedly installed at the front end outside the shift booster body 1. The dust cover 6 includes an upper fixing piece 601 and a lower fixing piece 605. A dustproof sleeve 602 is installed at the outer ends of the upper fixing piece 601 and the lower fixing piece 605. A plurality of elastic rings 603 are installed inside the dustproof sleeve 602. A spring 604 is installed between the upper fixing piece 601 and the lower fixing piece 602. In the present utility model, a dust cover 6 is installed at the front end outside the shift booster body 1. A plurality of elastic rings 603 are installed inside the dust cover 6. The elastic rings 603 use elasticity to support, so that the circumferential part of the dust cover 6 can be expanded to avoid inward depression. A spring 604 is installed between the upper fixing piece 601 and the lower fixing piece 602. The spring 604 can support the whole dust cover 6 to avoid deformation and damage to the dust cover, so that the dust cover 6 has a good protection effect.

[0030] An inlet 2 and an outlet 4 are provided at the rear end of the shift booster body 1. The inlet 2 is connected to an oil inlet pipe, and the outlet 4 is connected to an oil return pipe. A connecting seat 5 is provided at the bottom of the shift booster body 1. The connecting seat 5 is used to install the shift booster body 1 on the vehicle.

[0031] A piston 3 is provided at the front end of the shift booster body 1. The piston 3 moves to realize the shifting operation of the truck.

[0032] An upper fixing ring 7 and a lower fixing ring 8 are fixedly installed at one end outside the shift booster body 1. The dust cover 6 is installed on the upper fixing ring 7 and the lower fixing ring 8 through nuts 12. The upper fixing ring 7 and the lower fixing ring 8 are used to connect the dust cover 6, so that the dust cover 6 is installed at one end outside the shift booster body 1.

[0033] A gasket one 9 is installed between the upper fixing ring 7 and the dust cover 6, and a gasket two 13 is installed between the lower fixing ring 8 and the dust cover 6. The gasket one 9 is used for sealing between the upper fixing ring 7 and the dust cover 6, and the gasket two 13 is used for sealing between the lower fixing ring 8 and the dust cover 6.

[0034] A stud one 10 is provided on one side of the upper fixing ring 7. The upper fixing piece 601 is installed on the outside of the stud one 10 through a nut 12. The stud one 10 is used to connect the upper fixing piece 601 to connect the dust cover 6 and the upper fixing ring 7.

[0035] A stud two 14 is provided on one side of the lower fixing ring 8. The lower fixing piece 605 is installed on the outside of the stud two 14 through a nut 12. The stud two 14 is used to connect the lower fixing ring 8 to connect the dust cover 6 and the lower fixing ring 8.

[0036] A limiting ring one 11 is arranged at the inner end of the upper fixing ring 7, and a limiting ring two 15 is arranged at the inner end of the lower fixing ring 8. The limiting ring one 11 and the limiting ring two 15 are respectively used for limiting the upper and lower parts of the center of the dust cover 6.

[0037] The working principle of this shift booster with a dust cover: When installing the shift booster with a dust cover, a gasket one 9 and a gasket two 13 are respectively installed outside the stud one 10 and the stud two 14. The dust cover 6 is installed at one end of the outer side of the shift booster body 1 and connected to the upper fixing ring 7 by installing a nut 12 on the stud one 10, and connected to the lower fixing ring 8 by installing a nut 12 on the stud two 14 to complete the fixation of the dust cover 6, and then it can be used. When in use, the piston part moves, causing the dust cover 6 to move. The elastic ring 603 and the spring 604 both play a supporting role to make the dust cover better dust-proof.

[0038] Although the specific embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention, and modifications or deformations that do not involve creative labor are still within the protection scope of the present invention.

Claims

1. A shift assist device with a dust cover, characterized in that: It includes a shift booster body (1). A dust cover (6) is fixedly installed at the front end on the outside of the shift booster body (1). The dust cover (6) includes an upper fixing piece (601) and a lower fixing piece (605). A dust sleeve (602) is installed at the outer ends of the upper fixing piece (601) and the lower fixing piece (605). A plurality of elastic rings (603) are installed inside the dust sleeve (602). A spring (604) is installed between the upper fixing piece (601) and the lower fixing piece (605).

2. The shift assist device with a dust cover according to claim 1, wherein: An inlet (2) and an outlet (4) are provided at the rear end of the shift booster body (1). A connecting seat (5) is provided at the bottom of the shift booster body (1).

3. The shift booster with a dust cover according to claim 1, characterized in that: A piston (3) is provided at the front end of the shift booster body (1).

4. The shift booster with a dust cover according to claim 1, characterized in that: An upper fixing ring (7) and a lower fixing ring (8) are fixedly installed at one end on the outside of the shift booster body (1). The dust cover (6) is installed on the upper fixing ring (7) and the lower fixing ring (8) through nuts (12).

5. The shift booster with a dust cover according to claim 4, characterized in that: A first sealing gasket (9) is installed between the upper fixing ring (7) and the dust cover (6). A second sealing gasket (13) is installed between the lower fixing ring (8) and the dust cover (6).

6. The shift booster with a dust cover according to claim 4, characterized in that: A first stud (10) is provided on one side of the upper fixing ring (7). The upper fixing piece (601) is installed on the outside of the first stud (10) through a nut (12).

7. The shift assist device with a dust cover according to claim 4, characterized in that: A second stud (14) is provided on one side of the lower fixing ring (8). The lower fixing piece (605) is installed on the outside of the second stud (14) through a nut (12).

8. The shift booster with a dust cover according to claim 4, characterized in that: A first limiting ring (11) is provided at the inner end of the upper fixing ring (7). A second limiting ring (15) is provided at the inner end of the lower fixing ring (8).

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