CN217575081U - Novel steering column seal structure for new energy automobile - Google Patents
Novel steering column seal structure for new energy automobile Download PDFInfo
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- CN217575081U CN217575081U CN202221250599.0U CN202221250599U CN217575081U CN 217575081 U CN217575081 U CN 217575081U CN 202221250599 U CN202221250599 U CN 202221250599U CN 217575081 U CN217575081 U CN 217575081U
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- steering column
- sheath body
- seal structure
- plastic ring
- baffle
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- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 239000012188 paraffin wax Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of automobile steering systems, and provides a novel steering column sealing structure for a new energy automobile; the sealing structure comprises a sheath body arranged on the vehicle body, a dustproof bearing structure is arranged in the sheath body, and the dustproof bearing structure is arranged at the small end lip of the sheath body; the dustproof bearing structure comprises a fixing frame, a plastic ring and a baffle, wherein the plastic ring is arranged in the fixing frame, and the baffle is arranged at the upper end of the fixing frame. The utility model is provided with a sheath body which can reduce the friction abnormal sound generated by the relative motion of the sheath and the tubular column intermediate shaft during steering; be equipped with and can promote the steering column seal structure of sealed sound insulation of front warehouse, dustproof, function such as waterproof, reduced noise such as engine, vacuum pump in transmitting the driver's cabin from engine compartment department, can avoid outside dust to get into in the driver's cabin from automobile body trompil department.
Description
Technical Field
The utility model belongs to the technical field of the car a steering system, in particular to novel steering column seal structure for new energy automobile.
Background
An automotive steering system is a series of devices used to change or maintain the direction of travel or reverse of an automobile. The function of a steering system of a vehicle is to control the driving direction of the vehicle as intended by the driver, and a steering column is an element of the steering system connecting a steering wheel and a steering gear. Through the steering column, the driver transmits the torque to the steering gear, and drives the steering gear to realize steering. When the automobile is designed and arranged, a steering wheel in an automobile cab is connected with a front tire outside the cab through a steering system; the steering system penetrates through the inside and the outside of the cab, and the steering system is arranged in a hole in the vehicle body. The sealing effect of the whole vehicle is a very important factor influencing the NVH level of the whole vehicle, so that the opening of the vehicle body, the sealing at a steering system and the noise reduction become the key of the design of the whole vehicle.
Chinese patent CN204184425U discloses a vehicle steering column sealing structure, which comprises a sheath body and a flange annularly connected with the bottom edge of the sheath body; the turned-over edge is attached to one side of a metal plate of the vehicle body, and a bolt hole is formed in the turned-over edge; a sealing cover is arranged on one side of the vehicle body metal plate, and the sealing cover and the turned-over edge are arranged on the same side of the vehicle body metal plate; the sealing cover includes: the boss corresponds to the position of the through hole in the metal plate of the vehicle body; the boss is provided with an opening; the fixed plate is connected to the edge of the bottom of the boss in an annular mode, and the fixed plate is attached to the flanging. The utility model discloses not only solved the vehicle in the operation process because the lower sheath warp the problem of revealing of the water or the noise that produces, owing to formed double-deck wall structure between lower sheath and the sealed lid moreover to the sound insulation performance of here has been promoted greatly. The flanging extending into the vehicle is connected with the vehicle body metal plate and the sealing cover through the bolts, so that the reliability is high, the requirements on manufacturing and mounting processes are not high, and the implementation is easy.
Chinese patent CN205997814U discloses a steering column sealing structure, which comprises a steering column, a friction ring and a dust-proof sleeve, wherein the steering column passes through the friction ring and the dust-proof sleeve respectively, the outer surface of the steering column contacts with the inner circular surface of the friction ring, and the outer circular surface of the friction ring is fixedly connected with the dust-proof sleeve. This steering column seal structure can realize the sealed of auttombilism cabin and chassis, reaches the effect of isolated cockpit and chassis, avoids noise and dust to get into the cockpit, improves driver's operational environment and driving mood.
Chinese patent CN207809265U discloses a sealing shield of a steering column and an automobile, which comprises an elastic shield sleeved on the steering column, wherein one end of the elastic shield is provided with a connector, a sealing ring for hermetically connecting the inner walls of the steering column and the connector is arranged in the connector, the other end of the elastic shield is provided with a connecting edge for assembling with a vehicle body metal plate and an annular lip edge for hermetically connecting the outer edge of an opening of the vehicle body metal plate for the movement of the steering column, and the annular lip edge is positioned at the inner side of the connecting edge; realize through the sealing washer that the elasticity protection casing can assemble in the automobile body panel beating with the steering column between sealed, connect the limit and make the elasticity protection casing can carry out sealing connection with the outer fringe that supplies the trompil of steering column activity, make the elasticity protection casing except installing in the automobile body floor, can also install other positions on the automobile body, and then make the sealing guard of steering column can be applicable to the motorcycle type that the trompil is located the automobile body floor or is located other positions of automobile body, but also can guarantee the leakproofness of driver's cabin.
Among the prior art, steering column and automobile body via hole department mostly only set up a protection casing, only play dustproof effect, this just makes to have the clearance between tubular column and automobile body via hole, and sealed effect is bad, leads to the noise outside the cockpit to spread into the cockpit through the via hole very easily in, brings uncomfortable driving experience for the driver.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a novel steering column sealing structure for a new energy automobile, which comprises a sheath body arranged on an automobile body, wherein a dustproof bearing structure is arranged in the sheath body and is arranged at the small end lip of the sheath body;
the dustproof bearing structure comprises a fixed frame, a plastic ring and a baffle plate, wherein the plastic ring is arranged in the fixed frame, and the baffle plate is arranged at the upper end of the fixed frame; the steering column penetrates through the plastic ring, and is in interference fit with the plastic ring.
Furthermore, the vehicle body is provided with a through hole, the circumference array around the through hole is provided with a limiting column, and the limiting column is fixedly arranged on the vehicle body.
Furthermore, a metal pressing plate is arranged on the sheath body, and positioning holes and kidney-shaped holes are formed in the metal pressing plate in a circumferential array mode.
Furthermore, the circumferential array of the upper end of the fixing frame is provided with buckles, the buckles are matched with the baffle, and the baffle is fixed on the fixing frame.
Furthermore, a reinforcing rib for preventing the dustproof bearing structure from coming off is arranged at the small end lip of the sheath body.
Furthermore, the bottom of the large end of the sheath body is corrugated, and the bottom of the corrugated large end is matched with a corrugated structure of a vehicle body.
Further, the sheath body is located above the through hole.
Furthermore, the upper part of the large end of the sheath body is provided with lugs distributed in a circumferential array.
Furthermore, the limiting column sequentially penetrates through the large-end part of the sheath body and the metal pressing plate and is arranged in the waist-shaped hole.
Furthermore, the convex block is arranged in the positioning hole and used for limiting the metal pressing plate.
The steering system device of the utility model is provided with a sheath with a plastic bearing (not only limited to the plastic bearing, but also similar structures are in the protection range), so as to reduce the friction abnormal sound generated by the relative motion of the sheath and the intermediate shaft of the pipe column during steering; the steering column sealing structure capable of improving the functions of sound insulation, dust prevention, water prevention and the like of the front cabin seal is arranged, so that the noise transmitted from an engine cabin to an engine, a vacuum pump and the like in a cab is reduced, external dust can be prevented from entering the cab from an opening of a vehicle body, and the NVH comfort and the performance reliability in the cab are effectively improved; has the advantages of simple structure, low cost, good effect, easy manufacture, popularization and the like.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a part of a vehicle body according to an embodiment of the present invention;
fig. 2 shows a schematic overall structure diagram of an embodiment of the present invention;
fig. 3 shows a schematic view of a dust bearing structure according to an embodiment of the present invention;
fig. 4 shows an exploded view of a dust bearing structure according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a part of the structure of the embodiment of the present invention;
fig. 6 shows a schematic partial structural view of an embodiment of the present invention;
fig. 7 shows a schematic partial structural view of an embodiment of the present invention;
fig. 8 shows a schematic structural diagram of a metal platen according to an embodiment of the present invention;
fig. 9 shows a schematic cross-sectional structural view of an embodiment of the present invention;
in the figure: 1-a sheath body; 2-a vehicle body; 3-a metal pressing plate; 4-through holes; 5-a limiting column; 6-positioning the holes; 7-kidney-shaped holes; 8-dustproof bearing structure; 9-a fixing frame; 10-a plastic ring; 11-a baffle plate; 12-bumps.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are 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 some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model discloses a novel steering column sealing structure for a new energy automobile, which comprises a sheath body 1 arranged on an automobile body 2, as shown in figure 2, a metal pressing plate 3 is arranged on the sheath body 1, the metal pressing plate 3 is sleeved on the sheath body 1, and a steering column of an automobile steering system passes through the sheath body 1 and is connected with an automobile steering wheel through other components of the steering system; the material of the sheath body 1 is not particularly limited in this application, and may be, for example, a PP material and an EPDM material.
As shown in fig. 1, a through hole 4 is formed in a vehicle body 2, a steering column penetrates through the through hole 4, a circumferential array distribution limiting column 5 is arranged around the through hole 4, the limiting column 5 is fixedly connected with the vehicle body 2, the limiting column 5 is used for fixing a sheath body 1 and a metal pressing plate 3 which are installed on the vehicle body 2, exemplarily, threads are formed on the limiting column 5, and the sheath body 1 and the metal pressing plate 3 are fixed through nuts.
As shown in fig. 8, the metal pressing plate 3 is provided with positioning holes 6 and kidney-shaped holes 7 distributed in a circumferential array, and the positioning holes 6 can prevent the metal pressing plate 3 from rotating relative to the sheath body 1 during assembly, so that the metal pressing plate 3 can be assembled conveniently.
As shown in fig. 5, a dustproof bearing structure 8 is embedded in the sheath body 1, and the dustproof bearing structure 8 is located at a small end lip of the sheath body 1, as shown in fig. 3, the dustproof bearing structure 8 comprises a fixing frame 9, a plastic ring 10 and a baffle 11, the steering column penetrates through the plastic ring 10, and the steering column and the plastic ring 10 do not rotate relatively due to interference fit between the steering column and the plastic ring, and a good sealing effect can be achieved; in some embodiments of the present invention, a plastic bushing or a metal bearing is used instead of the dust bearing structure 8.
As shown in fig. 4, the plastic ring 10 is disposed in the fixing frame 9, and the plastic ring 10 can rotate in the fixing frame 9, the material of the fixing frame 9 is not specifically limited in this application, for example, DC01 alloy steel or PP material can be used, and the dust-proof bearing structure 8 made of plastic material has light weight, less consumables, good sealing performance, simple structure, long service life, and low cost; the propagation of external noise into the cabin can be reduced to some extent.
Baffle 11 can be spacing to in the mount 9 with plastic ring 10, and the connected mode between baffle 11, the mount 9 also can be selected at wide within range, but need consider the convenient degree and the stability of installation, exemplarily, as shown in fig. 4, the upper end of mount 9 is equipped with the buckle that the circumference array distributes, and mount 9 passes through buckle and baffle 11 joint to the realization is spacing to the axial of plastic ring 10, makes plastic ring 10 only can rotate in mount 9. In addition, lubricating grease is filled in the gap between the fixed frame 9 and the plastic ring 10, the structures of the fixed frame 9 and the plastic ring 10 can well store the lubricating grease, effective lubrication between the fixed frame 9 and the plastic ring 10 is realized, and friction abnormal sound is avoided when the steering column drives the plastic ring 10 to rotate.
A reinforcing rib is arranged at the lip of the small end of the sheath body 1, the reinforcing rib is integrally connected with the sheath body 1, and the reinforcing rib can prevent the dustproof bearing structure 8 from falling off; the fixing frame 9 is in interference fit with the sheath body 1, so that the fixing frame 9 cannot rotate relative to the sheath body 1.
As shown in fig. 7, the bottom of the large end of the sheath body 1 is corrugated, and the corrugated bottom of the large end is matched and sealed with the front baffle of the vehicle body in a corrugated manner, so that the sealing effect is better; when the sheath body 1 is tightly attached to the vehicle body 2, noise and abnormal sound at the lap joint of the through hole 4 and the vehicle body metal plate can be absorbed, and the sound absorption capacity is more than or equal to 6dB; as shown in fig. 6, the large end upper portion of the sheath body 1 is provided with the protruding blocks 12 (the number can be arranged as required, generally 3) distributed in a circumferential array manner, the protruding blocks 12 are used for limiting the metal pressing plate 3, the metal pressing plate 3 is prevented from rotating relative to the sheath body 1 during assembly, the material of the sheath body 1 is not specifically limited in the application, for example, the material can be nitrile rubber matched with paraffin, wherein the paraffin accounts for 5-9% (weight parts), and the paraffin accounts for 7% (weight parts) in the embodiment, so that the sheath body 1 has a certain self-lubricating effect, and the friction abnormal sound generated by the relative motion between the sheath body 1 and the steering column is reduced.
As shown in fig. 2 and 9, when the sealing structure is assembled, the sheath body 1 is positioned above the through hole 4, then the metal pressing plate 3 is sleeved on the sheath body 1, the bump 12 is arranged in the positioning hole 6, the limiting column 5 sequentially penetrates through the large-end part and the waist-shaped hole 7 of the sheath body 1, then the nut is installed on the limiting column 5 and tightened, and the sheath body 1 and the metal pressing plate 3 are fastened on the vehicle body 2; the bottom of the large end of the sheath body 1 is corrugated, so that noise and abnormal sound at the lap joint of the through hole 4 and a metal plate of the vehicle body can be absorbed, and the lug 12 can prevent the metal pressing plate 3 from moving due to vibration, so that the metal pressing plate 3 is prevented from generating abnormal sound; the automobile steering column penetrates through the sheath body 1 and is in interference fit with the plastic ring 10 in the sheath body 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The novel steering column sealing structure for the new energy automobile is characterized by comprising a sheath body (1) arranged on an automobile body (2), wherein a dustproof bearing structure (8) is arranged in the sheath body (1), and the dustproof bearing structure (8) is arranged at a small end lip of the sheath body (1);
the dustproof bearing structure (8) comprises a fixed frame (9), a plastic ring (10) and a baffle (11), the plastic ring (10) is arranged in the fixed frame (9), and the baffle (11) is arranged at the upper end of the fixed frame (9); the steering column penetrates through the plastic ring (10) and is in interference fit with the plastic ring (10).
2. The steering column seal structure according to claim 1, characterized in that the vehicle body (2) is provided with through holes (4), the circumferential array around the through holes (4) is provided with limit posts (5), and the limit posts (5) are fixedly arranged on the vehicle body (2).
3. The steering column seal structure according to claim 2, characterized in that the sheath body (1) is provided with a metal pressing plate (3), and the metal pressing plate (3) is provided with positioning holes (6) and kidney-shaped holes (7) in a circumferential array.
4. The steering column seal structure according to claim 1, characterized in that the circumferential array of the upper end of the fixing frame (9) is provided with buckles, the buckles are matched with the baffle (11), and the baffle (11) is fixed on the fixing frame (9).
5. The steering column seal structure according to claim 1, characterized in that a reinforcing rib for preventing the dust-proof bearing structure (8) from coming out is provided at the small-end lip of the sheath body (1).
6. The steering column seal structure according to claim 1, characterized in that the large-end bottom of the sheath body (1) is corrugated, and the corrugated large-end bottom is fitted with a corrugated structure of a vehicle body (2).
7. The steering column seal structure according to claim 3, wherein the sheath body (1) is located above the through hole (4).
8. Steering column seal according to claim 7, characterised in that the large end upper part of the jacket body (1) is provided with a circumferential array of lugs (12).
9. The steering column seal structure according to claim 8, wherein the stopper post (5) penetrates the large end portion of the sheath body (1) and the metal pressure plate (3) in sequence and is disposed in the kidney-shaped hole (7).
10. The steering column seal structure according to claim 9, characterized in that the projection (12) is placed in the positioning hole (6) for limiting the metal platen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250599.0U CN217575081U (en) | 2022-05-23 | 2022-05-23 | Novel steering column seal structure for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250599.0U CN217575081U (en) | 2022-05-23 | 2022-05-23 | Novel steering column seal structure for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217575081U true CN217575081U (en) | 2022-10-14 |
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ID=83554937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221250599.0U Active CN217575081U (en) | 2022-05-23 | 2022-05-23 | Novel steering column seal structure for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217575081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116873026A (en) * | 2023-09-07 | 2023-10-13 | 天津德星智能科技有限公司 | Four-way adjusting waterproof steering column |
-
2022
- 2022-05-23 CN CN202221250599.0U patent/CN217575081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116873026A (en) * | 2023-09-07 | 2023-10-13 | 天津德星智能科技有限公司 | Four-way adjusting waterproof steering column |
| CN116873026B (en) * | 2023-09-07 | 2023-12-12 | 天津德星智能科技有限公司 | Four-way adjusting waterproof steering column |
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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: 20231124 Address after: 241000 no.226, Huajin South Road, high tech Industrial Development Zone, Wuhu City, Anhui Province Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
|
| TR01 | Transfer of patent right |