CN202413652U - Steering device dustproof cover in composite structure - Google Patents
Steering device dustproof cover in composite structure Download PDFInfo
- Publication number
- CN202413652U CN202413652U CN2011205145795U CN201120514579U CN202413652U CN 202413652 U CN202413652 U CN 202413652U CN 2011205145795 U CN2011205145795 U CN 2011205145795U CN 201120514579 U CN201120514579 U CN 201120514579U CN 202413652 U CN202413652 U CN 202413652U
- Authority
- CN
- China
- Prior art keywords
- cover body
- opening end
- dash shield
- big opening
- dust boot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sealing Devices (AREA)
- Steering Controls (AREA)
Abstract
The utility model discloses a steering device dustproof cover in a composite structure. The steering device dustproof cover comprises a horn-shaped soft cover body sheathed on an automobile steering shaft, wherein the cover body comprises a small opening end and a large opening end, the small opening end is connected with the steering shaft in a sealed way, the large opening end is connected with a front surrounding plate for separating an engine chamber and a vehicle chamber in a sealed way, and a sound isolation layer pasted with the cover body is arranged in the cover body. The sound isolation layer is arranged in the steering device dustproof cover, the noise in the engine chamber is prevented from entering the vehicle chamber, the noise vibration and harshness (NVH) performance of the whole vehicle is improved, a rigid gasket is arranged on the steering dust dustproof cover and is used for the buckle connection between the dustproof cover and the front surrounding plate, the mounting and the dismounting are convenient, and the sealed connection is realized.
Description
Technical field
The utility model relates to a kind of automotive steering structure, especially relates to the deflector dust boot of the good composite structure of a kind of soundproof effect.
Background technology
Motor turning is that steering shaft that the direction of passage dish rotate to drive deflector rotates and realizes; The steering shaft of automobile stretches into the car chamber through the post hole of being located on the dash shield that separates car engine unit room and car chamber, and the existence in this post hole can cause rainwater, dust, waste gas, noise etc. to get into the car chamber; Influence environment inside car and driver and conductor's health; Therefore, the automobile design personnel need be provided with dust boot usually between the edge, post hole of dash shield and steering shaft in the automobile design process.At present; Existing dust boot is a single layer structure, has certain effect to preventing dust entering car chamber, but little to the effect that intercepts noise; And that the traveling comfort that people take advantage of automobile department requires is increasingly high; Automobile manufacturing enterprise must improve constantly the NVH performance of automobile, promotes the car class, could satisfy people's demand.
Chinese patent Granted publication number: CN201633659U on November 17 2010 Granted publication day, discloses a kind of novel steering tubing string dust boot assembly; Play the antisoiling effect of steering column through sheathed seal ring between steering column tween drive shaft and steering column dust boot; Certain soundproof effect is also arranged, and weak point is that this dust boot only is provided with double-decker at the seal ring place; And dust boot adopts single layer structure; Obstructing capacity to noise is poor, and noise gets into the car chamber, influences the NVH performance of car load.
Summary of the invention
The utility model is for the deflector dust boot that overcomes prior art intercepts the not good deficiency of noise performance, and the deflector dust boot of the good composite structure of a kind of soundproof effect is provided.
To achieve these goals, the utility model adopts following technical scheme:
A kind of deflector dust boot of composite structure; Comprise the horn-like soft cover body that is set on the steering axles; Said cover body comprises osculum end and big opening end; Osculum end and steering shaft are tightly connected, and big opening end is tightly connected with the dash shield that separates engine room and car chamber, is provided with the sound isolating layer of fitting with cover body in the said cover body.In cover body, increase the sound isolating layer of fitting with it, cover body two ends and steering shaft and dash shield are tightly connected, and it is outdoor can not to get into car at the assurance dust, and the noise that can also effectively intercept in the engine room gets into the car chamber, improves the NVH performance of car load greatly.
As preferably, said osculum end is connected with the steering shaft interference fit.Interference fit is a kind of flush fit, guarantees to seal between cover body and the steering shaft, and when steering shaft rotated, the osculum end of cover body rotated thereupon, prevents that dust and noise from getting into the car chamber.
As preferably, said big opening end is provided with the lip limit, and big opening end and dash shield junction are provided with and are used for rigidity packing ring that the lip limit and the dash shield of big opening end are fitted and compressed.Said rigidity packing ring is provided with and is used for cover body and the bolted screw of dash shield.The rigidity packing ring is pressed to the lip limit on the dash shield, through bolt rigidity packing ring, big opening end is connected with dash shield again, guarantees leak tightness, prevents that cover body from getting loose.
As preferably; The end cross-sectional of said big opening end is " F " shape, and " F " shape opening is towards steering shaft, and what be positioned at the big opening end outside is the outer lip limit; What be positioned at the big opening end inboard is the epipharynx limit; Said rigidity packing ring is located between outer lip limit and the epipharynx limit, and the rigidity packing ring is provided with buckle, and buckle connects dash shield.This structure not only can make the big opening end of cover body and dash shield link closely, and loads and unloads, changes all very convenient.
As preferably, the middle part of the binding face of said outer lip limit and dash shield is provided with protruding seal ring.Sealing more after this setting makes and compresses between dash shield and the big opening end.
As preferably, has an angle between said seal ring and the outer lip limit.Seal ring tilts, and it is easier to compress, and the stickiness after compressing is also better.
As preferably, the outward flange of the binding face of outer lip limit and dash shield is provided with protruding dust-break bar.Gap shielding after through the dust-break bar outer lip limit and dash shield being fitted has blocks dust to get into the effect in applying slit.
As preferably, also be provided with the clamping plate that are used to clamp cover body and dash shield on the rigidity packing ring.When connecting cover body and dash shield, can earlier clamping plate be clamped cover body and dash shield edge, cover body in location, dash shield edge, is pressed the rigidity packing ring again, make buckle fasten the edge of dash shield, conveniently install.
Therefore, the utlity model has following beneficial effect: (1) is provided with sound isolating layer, and the noise that intercepts in the engine room gets into the car chamber, improves the NVH performance of car load; (2) establish the rigidity packing ring and be used for dust boot and be connected with the dash shield buckle, easy accessibility connects sealing.
Description of drawings
Fig. 1 is the installing condition exploded view of the utility model.
Fig. 2 is the cover body of the utility model and the section-drawing of sound isolating layer.
Fig. 3 is a kind of structural representation of the rigidity packing ring of the utility model.
Fig. 4 is the installing condition cutaway view of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further description.
In Fig. 1, embodiment shown in Figure 2; A kind of deflector dust boot of composite structure; Comprise the horn-like soft cover body 2 that is set on the steering axles 1, said cover body 2 comprises osculum end 21 and big opening end 22, and osculum end 21 is tightly connected with steering shaft 1; Big opening end 22 is tightly connected with the dash shield 3 that separates engine room and car chamber, is provided with the sound isolating layer 4 of fitting with cover body 2 in the said cover body 2.Said osculum end 21 is connected with steering shaft 1 interference fit.As shown in Figure 3, said big opening end 22 is provided with the lip limit, and big opening end 22 and dash shield 3 junctions are provided with and are used for rigidity packing ring 5 that the lip limit of big opening end 22 and dash shield 3 applyings are compressed.Said rigidity packing ring 5 is provided with and is used for cover body 2 and dash shield 3 bolted screws 53.The end cross-sectional of said big opening end 22 is " F " shape; " F " shape opening is towards steering shaft; What be positioned at big opening end 22 outsides is outer lip limit 221; What be positioned at big opening end 22 inboards is epipharynx limit 222, and said rigidity packing ring 5 is located between outer lip limit 221 and the epipharynx limit 222, and rigidity packing ring 5 is provided with the buckle 51 of the coaming plate 3 that reaches out.As shown in Figure 2, said outer lip limit 221 is provided with protruding seal ring 223 with the binding face of dash shield 3.Has an angle between said seal ring 223 and the outer lip limit 221.Outer lip limit 221 is provided with protruding dust-break bar 224 with the outward flange of the binding face of dash shield 3.Also be provided with the clamping plate 52 that are used to clamp cover body 2 and dash shield 3 on the rigidity packing ring 5.
Buckle in the present embodiment is an elastic component, and the post hole internal diameter of steering shaft 1 is identical on the internal diameter of rigidity packing ring 5 and the dash shield 3, utilizes the elasticity of buckle could buckle be passed the post hole, fastens the edge in dash shield 3 upper prop holes.Cover body 2 materials are generally rubber; Have certain retractility and elasticity, sound isolating layer 4 materials can be has certain thickness sound insulation function ethylene propylene diene rubber preferably, because of cover body 2 and being connected of dash shield 3 and steering shaft 1 are very high being tightly connected of seal degree; Can prevent that dust from getting into the car chamber; Also intercepted airiness, sound mainly is that media is propagated with the air, intercepts air and just can more effectively intercept noise.
Dust boot in the present embodiment is installed very simple, at first sound isolating layer 4 is inserted in cover body 2, makes sound isolating layer 4 and cover body 2 bonding; Rigidity packing ring 5 cover body 2 with inner bonding sound isolating layer 4 is placed on the steering shaft 1, osculum end 21 and steering shaft 1 install to rigidity packing ring 5 between the outer lip limit 221 and epipharynx limit 222 of big opening end 22 for interference fit is connected again; The buckle of rigidity packing ring 5 is clamped the outer lip limit 221 of cover body 2 and the edge of dash shield 3 with the clamping plate 52 of rigidity packing ring 5, for cover body 2 is located towards dash shield 3 on dash shield 3; Press down the rigidity packing ring, buckle utilizes elasticity to pass dash shield 3, and buckle blocks the edge of dash shield; Seal ring 223 on the outer lip limit 221 is extruded; Connection is more sealed, the dust-break bar 224 bumping post dust boots on the outer lip limit 221 and the slit of dash shield 3 joints, dust boot just is fixed on the dash shield 3.More firm in order to connect in using, prevent to become flexible, through the screw on the rigidity packing ring 5 53, bolt together cover body 2, rigidity packing ring 5 and dash shield 3.
Claims (9)
1. the deflector dust boot of a composite structure; Comprise the horn-like soft cover body (2) that is set on the steering axles (1); It is characterized in that: said cover body (2) comprises osculum end (21) and big opening end (22); Osculum end (21) is tightly connected with steering shaft (1), and big opening end (22) is tightly connected with the dash shield (3) that separates engine room and car chamber, is provided with the sound isolating layer (4) of fitting with cover body (2) in the said cover body (2).
2. the deflector dust boot of a kind of composite structure according to claim 1, it is characterized in that: said osculum end (21) is connected with steering shaft (1) interference fit.
3. the deflector dust boot of a kind of composite structure according to claim 1 and 2; It is characterized in that: said big opening end (22) is provided with the lip limit, and big opening end (22) and dash shield (3) junction are provided with and are used for rigidity packing ring (5) that the lip limit of big opening end (22) and dash shield (3) applying are compressed.
4. the deflector dust boot of a kind of composite structure according to claim 3 is characterized in that: said rigidity packing ring (5) is provided with and is used for cover body (2) and the bolted screw of dash shield (3) (53).
5. the deflector dust boot of a kind of composite structure according to claim 4; It is characterized in that: the end cross-sectional of said big opening end (22) is " F " shape; " F " shape opening is towards steering shaft, and what be positioned at big opening end (22) outside is outer lip limit (221), and what be positioned at big opening end (22) inboard is epipharynx limit (222); Said rigidity packing ring (5) is located between outer lip limit (221) and epipharynx limit (222), and rigidity packing ring (5) is provided with the buckle (51) of the coaming plate that reaches out (3).
6. the deflector dust boot of a kind of composite structure according to claim 5 is characterized in that: said outer lip limit (221) is provided with protruding seal ring (223) with the binding face of dash shield (3).
7. the deflector dust boot of a kind of composite structure according to claim 6 is characterized in that: have an angle between said seal ring (223) and outer lip limit (221).
8. according to the deflector dust boot of claim 5 or 6 or 7 described a kind of composite structures, it is characterized in that: outer lip limit (221) are provided with protruding dust-break bar (224) with the outward flange of the binding face of dash shield (3).
9. according to the deflector dust boot of claim 5 or 6 or 7 described a kind of composite structures, it is characterized in that: also be provided with the clamping plate (52) that are used to clamp cover body (2) and dash shield (3) on the rigidity packing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205145795U CN202413652U (en) | 2011-12-12 | 2011-12-12 | Steering device dustproof cover in composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205145795U CN202413652U (en) | 2011-12-12 | 2011-12-12 | Steering device dustproof cover in composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413652U true CN202413652U (en) | 2012-09-05 |
Family
ID=46738439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205145795U Expired - Fee Related CN202413652U (en) | 2011-12-12 | 2011-12-12 | Steering device dustproof cover in composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202413652U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534101A (en) * | 2014-11-25 | 2015-04-22 | 宁国市华晟塑胶制品有限公司 | Steering shaft dustproof cover of automobile steering system |
| CN104590360A (en) * | 2014-12-20 | 2015-05-06 | 北汽银翔汽车有限公司 | Steering dust cover structure |
| CN104627229A (en) * | 2015-01-19 | 2015-05-20 | 奇瑞汽车股份有限公司 | Steering gear protecting bush and vehicle body front baffle connection structure and steering device protecting bush |
| CN104902428A (en) * | 2015-04-14 | 2015-09-09 | 苏州市信天游光电材料有限公司 | Loudspeaker net cover production system |
| CN103847786B (en) * | 2012-12-06 | 2017-05-17 | 通用汽车环球科技运作有限责任公司 | Double wall dome seal for vehicle |
| CN109826959A (en) * | 2017-11-23 | 2019-05-31 | 上汽通用五菱汽车股份有限公司 | A kind of sealing mounting assembly of steering column |
-
2011
- 2011-12-12 CN CN2011205145795U patent/CN202413652U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103847786B (en) * | 2012-12-06 | 2017-05-17 | 通用汽车环球科技运作有限责任公司 | Double wall dome seal for vehicle |
| CN104534101A (en) * | 2014-11-25 | 2015-04-22 | 宁国市华晟塑胶制品有限公司 | Steering shaft dustproof cover of automobile steering system |
| CN104590360A (en) * | 2014-12-20 | 2015-05-06 | 北汽银翔汽车有限公司 | Steering dust cover structure |
| CN104590360B (en) * | 2014-12-20 | 2017-08-04 | 北汽银翔汽车有限公司 | Turn to dust cover structure |
| CN104627229A (en) * | 2015-01-19 | 2015-05-20 | 奇瑞汽车股份有限公司 | Steering gear protecting bush and vehicle body front baffle connection structure and steering device protecting bush |
| CN104902428A (en) * | 2015-04-14 | 2015-09-09 | 苏州市信天游光电材料有限公司 | Loudspeaker net cover production system |
| CN104902428B (en) * | 2015-04-14 | 2018-03-13 | 苏州市信天游光电材料有限公司 | Horn mesh enclosure production system |
| CN109826959A (en) * | 2017-11-23 | 2019-05-31 | 上汽通用五菱汽车股份有限公司 | A kind of sealing mounting assembly of steering column |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202413652U (en) | Steering device dustproof cover in composite structure | |
| KR101468772B1 (en) | noise and vibration isolation structure of steering lower shaft for automobile | |
| CN201696610U (en) | Sealing ring for instrument panel | |
| CN104534092B (en) | Assembly and method for sealing evaporator inlet/outlet assembly and holes in automobile body | |
| CN202806326U (en) | Automobile panoramic sunroof fixing and sealing structure | |
| CN206319952U (en) | A kind of process of truck wind-shielding assembly | |
| CN101936209A (en) | Connection structure of exhaust pipe of automobile | |
| CN206246335U (en) | Membrane pump mounting seat and water purifier | |
| CN110356464A (en) | A kind of diverter dust cover structure and vehicle | |
| CN201169200Y (en) | Air conditioner for car | |
| CN212543977U (en) | Wireless control vehicle-mounted sound box | |
| CN210027574U (en) | Steering shaft sealing structure | |
| CN210101251U (en) | Waterproof sealing fixing device for automobile air conditioner | |
| CN208816683U (en) | A kind of vehicle steering shaft dust protector | |
| CN220163773U (en) | Radar installing support and radar subassembly | |
| CN205790301U (en) | Transition and compound integrated flexible waveguide assembly | |
| CN206374791U (en) | A kind of car steering tube column mounting assembly | |
| JP3821959B2 (en) | Steering column dust cover structure | |
| CN211592441U (en) | Waterproof light interior trimming panel for back door of motor home | |
| JPS6340016Y2 (en) | ||
| CN209782005U (en) | Automobile warm air water pipe blanking cover | |
| CN217502916U (en) | Automobile air conditioner pipe joint convenient to installation | |
| CN210241440U (en) | Assembly structure of glass cover for car lamp glass | |
| CN1229602C (en) | Air exhausting fan installation apparatus | |
| CN208101891U (en) | A kind of vehicle harness via hole sheath |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20201212 |