CN215706617U - Steering device of automobile - Google Patents
Steering device of automobile Download PDFInfo
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- CN215706617U CN215706617U CN202121257963.1U CN202121257963U CN215706617U CN 215706617 U CN215706617 U CN 215706617U CN 202121257963 U CN202121257963 U CN 202121257963U CN 215706617 U CN215706617 U CN 215706617U
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- shield
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- rubber
- steering gear
- plastic
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Abstract
The utility model discloses a steering device of an automobile, which comprises a steering gear shell, a gear shaft, an automobile front panel, a plastic shield and a rubber shield, wherein the gear shaft penetrates through the automobile front panel and is rotationally connected with the steering gear shell; a plastic shield is sleeved on the steering gear shell; the automobile steering gear comprises a steering gear shell, a plastic shield, a rubber shield and a rubber guard shield, wherein the plastic shield is sleeved at one end, away from the steering gear shell, of the plastic shield, a connecting cylinder is arranged on the lower surface of the automobile front wall plate, one end, away from the steering gear shell, of the rubber shield is sleeved with the connecting cylinder, the plastic shield is of a hollow step shaft structure, the rubber shield is of an elastic corrugated pipe structure, an annular groove is formed in the inner wall of the plastic shield, and a noise attenuation ring is arranged in the annular groove.
Description
Technical Field
The utility model relates to the technical field of sealing and noise reduction of a shield of an automobile steering device, in particular to a steering device of an automobile.
Background
The input end of a traditional steering device is connected with an intermediate shaft and a steering wheel, the connection penetrates through a front panel of an auxiliary frame, so noise generated by an engine room or a gearbox below the front panel and noise generated outside a vehicle can be transmitted into a cab through an intermediate shaft hole or a gap, thus causing interference to a driver, along with improvement of comfort requirements of consumers on the vehicle, a shield matched with the front panel is required to be added on the outer side of a gear shaft of a steering gear in an automobile factory, the effect of the shield is mainly to isolate noise of the bottom of the automobile from being transmitted to the cab, the connection of the shield and the front panel in the automobile factory adopts an interference compression mode at present, so the shield needs to be designed into at least two layers of structures of plastics and rubber, the front panel and the rubber shield are always matched in a pressure mode after assembly, hundreds of loads even thousands of newtons are always applied to the shield, and the loads are transmitted to the steering gear, there is the assembly back car front press plate to exert too big power and lead to producing the crack to make sealed inefficacy to the plastics guard shield through the rubber guard shield, and the protecting against shock ability of plastics guard shield and rubber guard shield is relatively poor, and it is high to the material strength requirement of plastics guard shield and rubber guard shield, with high costs and life weak point, and sealed effect is poor, thereby debris and water get into inside production corrosion and the abnormal sound of steering gear, and noise reduction is poor, the travelling comfort that the driver drove is poor scheduling problem.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide the automobile steering device, which can avoid sealing failure caused by cracks generated by the fact that an automobile front pressure plate exerts excessive force on a plastic shield through the rubber shield after assembly, has strong impact resistance of the plastic shield and the rubber shield, low requirement on material strength of the plastic shield and the rubber shield, low cost, long service life and good sealing effect, can prevent sundries and water from entering the steering gear to generate corrosion and abnormal sound, has good noise reduction effect, improves the driving comfort of a driver, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the steering device of the automobile comprises a steering gear shell, a gear shaft, an automobile front panel, a plastic shield and a rubber shield, wherein the gear shaft penetrates through the automobile front panel and is rotatably connected with the steering gear shell; a plastic shield is sleeved on the steering gear shell; the plastic shield is connected with the rubber shield in a sleeved mode at one end, away from the steering gear shell, of the plastic shield, the connecting cylinder is arranged on the lower surface of the automobile front wall plate, and one end, away from the steering gear shell, of the rubber shield is connected with the connecting cylinder in a sleeved mode.
Further, the plastic shield is a hollow step shaft structure, the rubber shield is an elastic corrugated pipe structure, the inner wall of the bottom end of the plastic shield is in interference fit with the outer wall of the upper end of the steering gear shell, the outer wall of the upper end of the plastic shield is in interference fit with the inner wall of the bottom end of the rubber shield, and the inner wall of the upper end of the rubber shield is in interference fit with the outer wall of the connecting cylinder.
Furthermore, the upper end of the rubber protective cover is clamped with the connecting cylinder through a clamping hoop.
Furthermore, a convex block is arranged on the side wall of the upper end of the plastic shield, a through hole is arranged at the position corresponding to the convex block on the side wall of the lower end of the rubber shield, and the convex block penetrates through the through hole corresponding to the convex block.
Further, the annular has been seted up to the inner wall of plastics guard shield, and is equipped with the noise attenuation ring in this annular, the outer wall of noise attenuation ring and the inner wall interference fit of annular, and the inner wall interference fit of noise attenuation ring and gear shaft.
Further, the annular has been seted up to the inner wall of bounding wall lower surface connecting cylinder before the car, and is equipped with the noise attenuation ring in this annular, the outer wall of noise attenuation ring and the inner wall interference fit of annular, and the inner wall interference fit of noise attenuation ring and gear shaft.
Compared with the prior art, the utility model has the beneficial effects that: this device that turns to of car, make the front panel of car unloaded transmit the plastics guard shield through the rubber guard shield, avoid assembling back car front clamp plate and exert too big power to the plastics guard shield through the rubber guard shield and lead to producing the crack and make sealed inefficacy, and the protecting against shock ability of plastics guard shield and rubber guard shield is strong, the material intensity requirement of plastics guard shield and rubber guard shield is low, with low costs and long service life, the steering gear casing, the rubber guard shield, be interference fit between the front panel of plastics guard shield and car, it is sealed effectual, thereby prevent that debris and water from getting into inside corrosion of steering gear and producing and abnormal sound, can absorb the noise that the gear shaft produced through the noise decay ring, the noise reduction effect is good, improve driver's travelling comfort.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the plastic shield structure of the present invention;
FIG. 3 is a schematic view of the rubber boot structure of the present invention;
FIG. 4 is a schematic of a noise attenuation loop of the present invention;
fig. 5 is a schematic structural diagram of a second steering device of an automobile according to the utility model.
In the figure: the automobile steering device comprises a steering device shell 1, an automobile front panel 2, a plastic shield 3, a rubber shield 5, an oil seal 6, a noise attenuation ring 7, a gear shaft 8, a clamp 9, a bump 10 and a through hole 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: a steering device of an automobile comprises a steering gear shell 1, a gear shaft 8, an automobile front panel 2, a plastic shield 3 and a rubber shield 5, wherein the gear shaft 8 penetrates through the automobile front panel 2 and is rotatably connected with the steering gear shell 1, and an oil seal 6 is arranged between the inner wall of the steering gear shell 1 and the gear shaft 8; the steering gear shell 1 is sleeved with a plastic shield 3; the one end that steering gear casing 1 was kept away from to plastics guard shield 3 has cup jointed rubber guard shield 5, the lower surface of bounding wall 2 is equipped with the connecting cylinder before the car, and rubber guard shield 5 keeps away from steering gear casing 1's one end and cup joints with the connecting cylinder, seal gear shaft 8 through plastics guard shield 3 and rubber guard shield 5, make before the car 2 no load transmit plastics guard shield 3 through rubber guard shield 5 on, it exerts too big power and leads to producing the crack to make sealed the inefficacy to press from both sides board 2 through rubber guard shield 5 to plastics guard shield 3 before avoiding assembling the back car, and the protecting against shock ability of plastics guard shield 3 and rubber guard shield 5 is strong, the material intensity requirement of plastics guard shield 3 and rubber guard shield 5 is low, and is with low costs and long service life.
Further, plastic shield 3 is hollow step axle construction, rubber shield 5 is elastic bellows structure, and the inner wall of 3 bottoms of plastic shield is interference fit with the outer wall of 1 upper ends of steering gear casing, the outer wall of 3 upper ends of plastic shield is interference fit with the inner wall of 5 bottoms of rubber shield, the inner wall of 5 upper ends of rubber shield is interference fit with the outer wall of connecting cylinder, is interference fit between steering gear casing 1, rubber shield 5, plastic shield 3 and the preceding bounding wall 2 of car, and is sealed effectual, thereby prevents that debris and water from getting into inside production of steering gear and corrosion abnormal sound.
Further, the upper end of rubber guard shield 5 is passed through clamp 9 and is connected the section of thick bamboo joint, increases the joint strength of rubber guard shield 3 and section of thick bamboo through clamp 9.
Furthermore, a bump 10 is arranged on the side wall of the upper end of the plastic shield 3, a through hole 11 is arranged at the position corresponding to the bump 10 on the side wall of the lower end of the rubber shield 5, the bump 10 penetrates through the through hole 11 corresponding to the bump, and the rubber shield 5 and the plastic shield 3 can be prevented from falling off through the bump 10 and the through hole 11.
Further, the annular has been seted up to the inner wall of plastics guard shield 3, and is equipped with noise attenuation ring 7 in this annular, the outer wall of noise attenuation ring 7 and the inner wall interference fit of annular, and the inner wall of noise attenuation ring 7 and the outer wall interference fit of gear shaft 8 can absorb the noise that gear shaft 8 produced through noise attenuation ring 7, and noise reduction effect is good, improves driver's travelling comfort.
Example two
Referring to fig. 2-5, the present invention provides a technical solution: a steering device of an automobile comprises a steering gear shell 1, a gear shaft 8, an automobile front panel 2, a plastic shield 3 and a rubber shield 5, wherein the gear shaft 8 penetrates through the automobile front panel 2 and is rotatably connected with the steering gear shell 1, and an oil seal 6 is arranged between the inner wall of the steering gear shell 1 and the gear shaft 8; the steering gear shell 1 is sleeved with a plastic shield 3; the one end that steering gear casing 1 was kept away from to plastics guard shield 3 has cup jointed rubber guard shield 5, the lower surface of bounding wall 2 is equipped with the connecting cylinder before the car, and rubber guard shield 5 keeps away from steering gear casing 1's one end and cup joints with the connecting cylinder, seal gear shaft 8 through plastics guard shield 3 and rubber guard shield 5, make before the car 2 no load transmit plastics guard shield 3 through rubber guard shield 5 on, it exerts too big power and leads to producing the crack to make sealed the inefficacy to press from both sides board 2 through rubber guard shield 5 to plastics guard shield 3 before avoiding assembling the back car, and the protecting against shock ability of plastics guard shield 3 and rubber guard shield 5 is strong, the material intensity requirement of plastics guard shield 3 and rubber guard shield 5 is low, and is with low costs and long service life.
Further, plastic shield 3 is hollow step axle construction, rubber shield 5 is elastic bellows structure, and the inner wall of 3 bottoms of plastic shield is interference fit with the outer wall of 1 upper ends of steering gear casing, the outer wall of 3 upper ends of plastic shield is interference fit with the inner wall of 5 bottoms of rubber shield, the inner wall of 5 upper ends of rubber shield is interference fit with the outer wall of connecting cylinder, is interference fit between steering gear casing 1, rubber shield 5, plastic shield 3 and the preceding bounding wall 2 of car, and is sealed effectual, thereby prevents that debris and water from getting into inside production of steering gear and corrosion abnormal sound.
Further, the upper end of rubber guard shield 5 is passed through clamp 9 and is connected the section of thick bamboo joint, increases the joint strength of rubber guard shield 3 and section of thick bamboo through clamp 9.
Furthermore, a bump 10 is arranged on the side wall of the upper end of the plastic shield 3, a through hole 11 is arranged at the position corresponding to the bump 10 on the side wall of the lower end of the rubber shield 5, the bump 10 penetrates through the through hole 11 corresponding to the bump, and the rubber shield 5 and the plastic shield 3 can be prevented from falling off through the bump 10 and the through hole 11.
Further, the annular has been seted up to the inner wall of 2 lower surface connecting cylinders on automobile dash panel, and is equipped with noise attenuation ring 7 in this annular, the outer wall of noise attenuation ring 7 and the inner wall interference fit of annular, and the inner wall of noise attenuation ring 7 and the outer wall interference fit of gear shaft 8 can absorb the noise that gear shaft 8 produced through noise attenuation ring 7, and noise reduction is better, improves driver's travelling comfort.
When in use: the assembly back absorbs the pressure that clamp plate 2 applyed plastic shield 3 before the car through the rubber guard shield 5 that has elastic contraction, avoid the assembly back car before clamp plate 2 exert too big power and lead to producing the crack to make sealed inefficacy to plastic shield 3 through rubber guard shield 5, clamp 9 and lug 10 improve rubber guard shield 5's joint strength with the cooperation of through-hole 11, can prevent that clamp plate 2 and plastic shield 3 from droing before rubber guard shield 5 and the car, noise attenuation ring 7 can absorb the noise that gear shaft 8 produced, the noise reduction effect is better, improve driver's travelling comfort.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steering device of car, includes that the bounding wall rotates with the steering gear casing before steering gear casing, gear shaft, car and is connected its characterized in that with steering gear casing before the gear shaft runs through the car: an oil seal is arranged between the inner wall of the steering gear shell and the gear shaft; a plastic shield is sleeved on the steering gear shell; the plastic shield is connected with the rubber shield in a sleeved mode at one end, away from the steering gear shell, of the plastic shield, the connecting cylinder is arranged on the lower surface of the automobile front wall plate, and one end, away from the steering gear shell, of the rubber shield is connected with the connecting cylinder in a sleeved mode.
2. The steering device for an automobile according to claim 1, wherein: the plastic shield is a hollow stepped shaft structure, the rubber shield is an elastic corrugated pipe structure, the inner wall of the bottom end of the plastic shield is in interference fit with the outer wall of the upper end of the steering gear shell, the outer wall of the upper end of the plastic shield is in interference fit with the inner wall of the bottom end of the rubber shield, and the inner wall of the upper end of the rubber shield is in interference fit with the outer wall of the connecting cylinder.
3. The steering device for an automobile according to claim 1, wherein: the upper end of the rubber shield is clamped with the connecting cylinder through a clamp.
4. The steering device for an automobile according to claim 1, wherein: the side wall of the upper end of the plastic shield is provided with a convex block, the side wall of the lower end of the rubber shield is provided with a through hole at the position corresponding to the convex block, and the convex block penetrates through the through hole corresponding to the convex block.
5. The steering device for an automobile according to claim 1, wherein: the annular has been seted up to the inner wall of plastics guard shield, and is equipped with the noise attenuation ring in this annular, the outer wall of noise attenuation ring and the inner wall interference fit of annular, and the inner wall interference fit of noise attenuation ring and gear shaft.
6. The steering device for an automobile according to claim 1, wherein: the annular has been seted up to the inner wall of bounding wall lower surface connecting cylinder before the car, and is equipped with the noise attenuation ring in this annular, the outer wall of noise attenuation ring and the inner wall interference fit of annular, and the outer wall interference fit of the inner wall of noise attenuation ring and gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121257963.1U CN215706617U (en) | 2021-06-07 | 2021-06-07 | Steering device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121257963.1U CN215706617U (en) | 2021-06-07 | 2021-06-07 | Steering device of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215706617U true CN215706617U (en) | 2022-02-01 |
Family
ID=80041191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121257963.1U Active CN215706617U (en) | 2021-06-07 | 2021-06-07 | Steering device of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215706617U (en) |
-
2021
- 2021-06-07 CN CN202121257963.1U patent/CN215706617U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220620 Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee before: XINXIANG AIDIWEI AUTOMOTIVE TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |