Automobile steering gear input shaft sealing cover device and vehicle

Abstract

The utility model discloses an automobile steering gear input shaft sealing cover device and an automobile, and relates to the technical field of automobiles, the automobile steering gear input shaft sealing cover device comprises a shaft sealing cover body, the inner wall of the shaft sealing cover body is provided with an annular supporting frame used for enhancing the strength of the shaft sealing cover body; deformation of the sealing cover body on the end face of the automobile body sheet metal part is greatly reduced, the problem that the sealing cover body is clamped into a gap between the steering gear input shaft and the automobile body sheet metal part due to large deformation is effectively avoided, the waterproof and dustproof capacity of the sealing cover for the steering gear input shaft is guaranteed, and the influence of expansion or cold contraction of the sealing cover in extreme weather is reduced. And the service life of parts is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to an automobile steering gear input shaft sealing cover device and a vehicle. Background Art

[0002] In the automotive field, the steering gear is the basic component for controlling the driving of the car. It is one of the most important components of the vehicle chassis and is crucial to ensuring the safety of the car. During the driving of the vehicle, dust in the air and water in the vehicle body will affect the normal operation of the internal parts of the steering gear, resulting in uncertainty in the normal operation of the steering gear and reducing the service life of the components. Therefore, the internal parts of the steering gear need to be waterproof and dustproof. There is a torque sensor element at the input shaft protective cover of the steering gear. The waterproof and dustproof ability of the sealing cover here greatly affects the operation of the sensor. When the seal fails, it will also cause abnormal assistance of the steering motor. Therefore, it is necessary to focus on the waterproof and dustproof ability of the steering gear input shaft sealing cover.

[0003] In the existing scheme, the steering input shaft seal cover of the vehicle model is basically made of a material with high elastic deformation and soft hardness. The upper and lower end faces of the steering input shaft seal cover are pressed against the upper end of the steering input shaft shield and the body sheet metal surface respectively by elastic deformation, thereby achieving waterproof and dustproof effects. Due to the low stiffness of the steering input shaft seal cover, when the vehicle is driving on bumpy roads or making sharp turns, the seal cover will be subjected to abnormal deformation due to force, causing the seal cover to get stuck in the gap between the body sheet metal hole and the steering input shaft, resulting in the failure of waterproof and dustproof capabilities and abnormal steering noise. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a sealing cover device for an automobile steering gear input shaft and a vehicle.

[0005] The automobile steering gear input shaft sealing cover device and the vehicle provided by the utility model adopt the following technical solutions:

[0006] A sealing cover device for an input shaft of an automobile steering gear comprises a shaft sealing cover body. An annular supporting frame for enhancing the strength of the shaft sealing cover body is arranged on the inner wall of the shaft sealing cover body.

[0007] By adopting the above technical solution, by installing an annular support frame in the sealing cover body, the support frame can enhance the overall strength of the sealing cover body itself, and at the same time can play a role in waterproofing and dustproofing, greatly reducing the deformation of the sealing cover body at the end face of the body sheet metal, and effectively avoiding the problem of the sealing cover body being too deformed and getting stuck in the gap between the steering gear input shaft and the body sheet metal hole, thereby ensuring the waterproofing and dustproofing capabilities of the steering gear input shaft sealing cover body.

[0008] Furthermore, a first annular supporting protrusion is provided on the side wall of the shaft sealing cover body near the end surface.

[0009] By adopting the above technical solution, the first supporting protrusion can increase the overall rigidity of the sealing cover body, reduce the possibility of deformation and damage of the sealing cover body due to long-term stress, reduce the impact of expansion or contraction of the sealing cover in extreme weather, and increase the service life of components.

[0010] Furthermore, a second annular supporting protrusion is provided near the middle of the side wall of the shaft sealing cover body.

[0011] By adopting the above technical solution, the cooperation between the second supporting protrusion and the first supporting protrusion can further increase the overall rigidity of the sealing cover body and reduce the possibility of the sealing cover body being deformed and damaged due to compression.

[0012] Furthermore, a plurality of the second supporting protrusions are provided.

[0013] Furthermore, the side wall of the shaft sealing cover body is provided with a plurality of annular grooves.

[0014] Furthermore, the grooves and the second supporting protrusions are arranged alternately, and the grooves and the second supporting protrusions form a wave structure on the side wall of the sealing cover body.

[0015] By adopting the above technical solution, the first supporting protrusion, the groove and the second supporting protrusion form a wave structure on the side wall of the sealing cover body, so that the rigidity of the sealing cover body is increased and the service life of the sealing cover body is increased.

[0016] Furthermore, the support frame is a hard plastic part.

[0017] By adopting the above technical solution, the overall weight of the hard plastic part is relatively small, which can increase the overall strength of the sealing cover body while reducing the increase in the weight of the sealing cover body as much as possible.

[0018] A vehicle adopts the automobile steering gear input shaft sealing cover device of the above technology.

[0019] To sum up, the utility model includes at least one of the following beneficial effects: the deformation of the sealing cover body at the end face of the vehicle body sheet metal is greatly reduced, and the problem of the sealing cover body being too deformed and getting stuck in the gap between the steering gear input shaft and the hole of the vehicle body sheet metal is effectively avoided, the waterproof and dustproof ability of the steering gear input shaft sealing cover is ensured, the influence of expansion or contraction of the sealing cover in extreme weather is reduced, and the service life of parts is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a support frame according to an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Sealing cover body; 11. Support frame; 12. First supporting protrusion; 13. Second supporting protrusion; 14. Groove. DETAILED DESCRIPTION

[0024] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] The following is combined with Figure 1-2 The utility model is described in further detail.

[0026] The utility model embodiment discloses a sealing cover device for an automobile steering input shaft and a vehicle. Figure 1-Figure 2 The automobile steering gear input shaft sealing cover device comprises a shaft sealing cover body 1, and a ring-shaped support frame 11 for strengthening its own strength is arranged on the inner wall of the shaft sealing cover body 1. By installing the ring-shaped support frame 11 in the sealing cover body 1, the support frame 11 can enhance the overall strength of the sealing cover body 1 itself, and at the same time can play a role of waterproof and dustproof, greatly reducing the deformation of the sealing cover body 1 at the end face of the body sheet metal, effectively avoiding the problem that the deformation of the sealing cover body 1 is too large and is stuck in the gap between the steering gear input shaft and the body sheet metal hole, and ensuring the waterproof and dustproof capabilities of the steering gear input shaft sealing cover body 1.

[0027] In this embodiment, a first annular support protrusion 12 is arranged on the side wall of the shaft sealing cover body 1 near the end face. The first support protrusion 12 can increase the overall stiffness of the sealing cover body 1, reduce the possibility of deformation and damage of the sealing cover body 1 due to long-term stress, reduce the impact of expansion or contraction of the sealing cover in extreme weather, and increase the service life of components.

[0028] In this embodiment, a second annular support protrusion 13 is provided near the middle of the side wall of the shaft sealing cover body 1. The second support protrusion 13 cooperates with the first support protrusion 12 to further increase the overall rigidity of the sealing cover body 1 and reduce the possibility of compression deformation and damage of the sealing cover body 1.

[0029] In this embodiment, a plurality of second supporting protrusions 13 are provided. The number of the second supporting protrusions 13 can be determined according to actual conditions. In this embodiment, only one second supporting protrusion 13 is provided.

[0030] In this embodiment, the side wall of the shaft sealing cover body 1 is provided with a plurality of annular grooves 14, and the grooves 14 and the second supporting protrusions 13 are alternately arranged, so that the first supporting protrusion 12, the grooves 14 and the second supporting protrusions 13 form a wavy structure on the side wall of the sealing cover body 1, thereby increasing the rigidity of the sealing cover body 1 and prolonging the service life of the sealing cover body 1.

[0031] In this embodiment, the support frame 11 is a hard plastic part, and the overall weight of the hard plastic part is relatively small. While being able to increase the lifting strength of the sealing cover body 1, it is also possible to minimize the increase in the weight of the sealing cover body 1.

[0032] A vehicle adopts the automobile steering gear input shaft sealing cover device of the above technology.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A sealing cover device for an automobile steering gear input shaft, characterized in that: The invention comprises a shaft sealing cover body (1), wherein an inner wall of the shaft sealing cover body (1) is provided with a ring-shaped support frame (11) for enhancing its own strength.

2. The automobile steering gear input shaft sealing cover device according to claim 1, characterized in that: A first annular supporting protrusion (12) is provided on the side wall of the shaft sealing cover body (1) at a position close to the end surface.

3. The automobile steering gear input shaft sealing cover device according to claim 1, characterized in that: A second supporting protrusion (13) in an annular shape is arranged near the middle of the side wall of the shaft sealing cover body (1).

4. The automobile steering gear input shaft sealing cover device according to claim 3, characterized in that: A plurality of the second supporting protrusions (13) are provided.

5. The automobile steering gear input shaft sealing cover device according to claim 4, characterized in that: The side wall of the shaft sealing cover body (1) is provided with a plurality of annular grooves (14).

6. The automobile steering gear input shaft sealing cover device according to claim 5, characterized in that: The grooves (14) and the second supporting protrusions (13) are arranged alternately, and the grooves (14) and the second supporting protrusions (13) form a wave structure on the side wall of the sealing cover body (1).

7. The automobile steering gear input shaft sealing cover device according to claim 1, characterized in that: The support frame (11) is a hard plastic part.

8. A vehicle, characterized in that: An automobile steering gear input shaft sealing cover device is adopted according to any one of claims 1 to 7.

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