CN204587004U - Deflector dust boot - Google Patents
Deflector dust boot Download PDFInfo
- Publication number
- CN204587004U CN204587004U CN201520216130.9U CN201520216130U CN204587004U CN 204587004 U CN204587004 U CN 204587004U CN 201520216130 U CN201520216130 U CN 201520216130U CN 204587004 U CN204587004 U CN 204587004U
- Authority
- CN
- China
- Prior art keywords
- snap ring
- dust boot
- dash board
- deflector
- steering gear
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000010009 beating Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model relates to vehicular field, disclose a kind of deflector dust boot, it is set on steering gear input shaft, the upper end of deflector dust boot is provided with the first snap ring and the second snap ring, first snap ring and the second snap ring are fastened on the mounting hole of body dash board, the lateral surface of the first snap ring and body dash board is fitted, and the medial surface of the second snap ring and body dash board is fitted; Lower end and the steering gear housing of deflector dust boot are tightly connected.The utility model adopts the surfaces externally and internally of the first snap ring and the second snap ring and body dash board to form two sides and seals, improve the leak tightness between deflector dust boot and the mounting hole of body dash board, thus make steering gear input shaft dustproof and waterproof, prevent foreign matter from entering crew module by the mounting hole of body dash board simultaneously.Further, conveniently dust boot assembling, and improve further the leak tightness between deflector and body dash board, this deflector dust boot comprises and is sheathed on cover body on steering gear input shaft and seal ring successively.
Description
Technical field
The utility model relates to vehicular field, particularly relates to a kind of deflector dust boot.
Background technology
Deflector is parts important in wheel steering system, and it passes to the power of steering gear for increasing steering handwheel and change the direction of transfer of power.In vehicle travel process, rainwater, fog, foreign matter and noise are easy to directly import crew module into through deflector by machinery space.Therefore, need to be set with dust boot on the input end of deflector.
Current deflector dust cover structure as depicted in figs. 1 and 2.Fig. 1 shows the structure of the first existing deflector dust boot, steering gear input shaft is through this dust boot, the lower end of dust boot 1 is arranged on steering gear housing, the upper end of dust boot 1 is buckled in the stamping holes of vehicle body sheet metal by arranging a bulge loop 11, makes dust boot entirety be in tension state thus.Fig. 2 illustrates the structure of the existing deflector dust boot of the second, the input shaft of deflector is through this dust boot 1, the lower end of dust boot is arranged on steering gear housing, the upper end of dust boot 1 is compressed by interference fit and is fitted on the panel beating of body dash board, makes dust boot entirety be in pressured state thus.
Above-mentioned the first be in dust cover structure under tension state, the binding face of its upper end and vehicle body sheet metal is little, stressed poor, and long-time use may cause local deformation large, and sealing effectiveness is poor, easily causes seal failure.
Above-mentioned the second is in the dust cover structure under pressured state, and the overall easily skew of dust boot, causes leak tightness bad; Dust boot and vehicle body sheet metal binding face are ring surface, and dust boot is caused rotating low-angle around input shaft by assembly problem, then can cause seal failure, this structure is higher to matching requirements.
Utility model content
The utility model completes based on the situation of above-mentioned the deficiencies in the prior art just, its objective is and provides a kind of deflector dust boot, to improve the leak tightness of dust boot and deflector, body dash board.
To achieve these goals, the utility model provides a kind of deflector dust boot, be set on steering gear input shaft, the upper end of described deflector dust boot is provided with the first snap ring and the second snap ring, described first snap ring and the second snap ring are fastened on the mounting hole of body dash board, the lateral surface of described first snap ring and described body dash board is fitted, and the medial surface of described second snap ring and described body dash board is fitted; Lower end and the steering gear housing of described deflector dust boot are tightly connected.
Adopt the surfaces externally and internally of the first snap ring and the second snap ring and body dash board to form two sides to seal, substantially increase the leak tightness between deflector dust boot and the mounting hole of body dash board thus, thus make steering gear input shaft dustproof and waterproof, prevent foreign matter from entering crew module by the mounting hole of body dash board simultaneously.
Further, conveniently dust boot assembling, and the leak tightness improved further between deflector and body dash board, in above-mentioned deflector dust boot, described deflector dust boot comprises and is set in cover body on steering gear input shaft and seal ring, described first snap ring and the second snap ring are located at the upper end of described seal ring, and the lower end of described seal ring is set in the outside, upper end of described cover body, and the lower end of described cover body is tightly connected in steering gear housing.
Further, in order to improve the leak tightness between cover body and steering gear housing, in above-mentioned deflector dust boot, the lower end of described cover body is sheathed on the outside face of steering gear housing by interference fit.
Further, in above-mentioned deflector dust boot, the outward flange of described first snap ring has the first flange to downward-extension, and the outward flange of described second snap ring has the second flange upwards extended;
The lateral surface of described first flange and described body dash board is tightly connected, and the medial surface of described second flange and described body dash board is tightly connected.
Further, in above-mentioned deflector dust boot, described first flange is positioned at the outside of the second flange.
Further, in order to improve the leak tightness between seal ring and cover body, in above-mentioned deflector dust boot, the lower end of described seal ring is the exit skirt opened downwards, the upper end of described cover body is the taper matched with the lower end of described seal ring, thereby increase the fitting area between seal ring and cover body, substantially increase the leak tightness of this junction.
A kind of deflector dust boot that technique scheme provides, adopt the surfaces externally and internally of the first snap ring and the second snap ring and body dash board to form two sides to seal, form labyrinth seal structure, substantially increase the leak tightness between deflector dust boot and the mounting hole of body dash board thus, thus make steering gear input shaft dustproof and waterproof, prevent foreign matter from entering crew module by the mounting hole of body dash board simultaneously; Meanwhile, the first snap ring of deflector dust boot upper end and the second snap ring serve the effect of location, make deflector dust boot not easily deviation post.This deflector dust cover structure is simple, is easy to assembling, and can reduces costs to a certain extent.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the first deflector dust boot in prior art;
Fig. 2 is the cutaway view of the second deflector dust boot in prior art;
Fig. 3 is the exploded drawings of the deflector dust boot of an embodiment of the present utility model and body dash board, deflector;
Fig. 4 is the three-dimensional assembly diagram of the deflector dust boot in Fig. 3;
Fig. 5 is the cutaway view of the deflector dust boot of an embodiment of the present utility model;
Fig. 6 is the enlarged drawing at A place in Fig. 5.
Wherein, 1, dust boot; 11, bulge loop; 10, body dash board; 20, seal ring; 21, the first snap ring; 22, the second snap ring; 23, the first flange; 24, the second flange; 30, cover body; 40, steering gear input shaft; 50, steering gear housing.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Fig. 3, Fig. 4 and Fig. 5, a kind of deflector dust boot of the utility model preferred embodiment, this deflector dust boot is set on steering gear input shaft 40, the upper end of this deflector dust boot is provided with the first snap ring 21 and the second snap ring 22, first snap ring 21 and the second snap ring 22 are fastened on the mounting hole of body dash board, first snap ring 21 is fitted with the lateral surface of body dash board 10, and the second snap ring 22 is fitted with the medial surface of body dash board 10; Lower end and the steering gear housing 50 of this deflector dust boot are tightly connected.The present embodiment adopts the first snap ring 21 and the second snap ring 22 to form two sides with the surfaces externally and internally of body dash board 10 and seals, form labyrinth seal structure, leak tightness between the mounting hole substantially increasing deflector dust boot and body dash board 10 thus, thus make steering gear input shaft 40 dustproof and waterproof, prevent foreign matter from entering crew module by the mounting hole of body dash board simultaneously.
Conveniently deflector dust boot assembling, and the leak tightness improved further between deflector and body dash board, the deflector dust boot of the present embodiment comprises and is set in cover body 30 on steering gear input shaft 40 and seal ring 20, the upper end of seal ring 20 and the mounting hole of body dash board 10 fasten, the first above-mentioned snap ring 21 and the second snap ring 22 are located at the upper end of sealing circle 20, the lower end of seal ring 20 is sheathed on the outside, upper end of cover body 30, and the lower end of cover body 30 and steering gear housing 50 are tightly connected.Thus, seal ring 20 and cover body 30 can be assembled respectively, its assembly difficulty is less.
In order to improve the leak tightness between cover body 30 and steering gear housing 50, in the deflector dust boot of the present embodiment, the lower end of cover body 30 is sheathed on the outside face of steering gear housing 50 by interference fit, body dash board, leak tightness between deflector dust boot and deflector can be improved thus, its seal failure risk is less, meanwhile, due between cover body 30 and steering gear housing 50 without cooperation position requirement, without the need to location, only cover body 30 and steering gear housing 50 need be compressed.
The upper end of seal ring 20 is provided with the first snap ring 21 and the second snap ring 22, the mounting hole edge seal of body dash board 10 is between the first snap ring 21 and the second snap ring 22, first snap ring 21 is fitted with the lateral surface of body dash board 10, second snap ring 22 is fitted with the medial surface of body dash board 10, make between the mounting hole of seal ring and body dash board 10, to form two sides thus to seal, labyrinth seal structure is formed between the mounting hole of seal ring 20 and body dash board 10, foreign matter, noises etc. will enter crew module then to be needed to walk around this labyrinth seal structure, leak tightness between the mounting hole can guaranteeing seal ring and body dash board 10 thus, the leak tightness between seal ring 20 and mounting hole only just can be made to lose efficacy when the sealing of body dash board both sides was all lost efficacy, which thereby enhance sealing effectiveness.
In order to ensure the first snap ring 21, second snap ring 22 and the leak tightness be connected between body dash board 10, the outward flange that the outward flange of first snap ring 21 of the present embodiment has to the first flange 23, second snap ring 22 of downward-extension has the second flange 24 upwards extended; First flange 23 is tightly connected with the lateral surface of body dash board 10, and the second flange 24 is tightly connected with the medial surface of body dash board 10.It should be noted that, the first snap ring 21 and the second snap ring 22 also can be tightly connected by the mode of compression and body dash board 10.
First flange 23 of the present embodiment is positioned at the outside of the second flange 24, is staggered by two seals line, and forming surface seals, and seal area between the mounting hole that can improve seal ring 20 and body dash board 10 thus, improves sealing effectiveness further.It should be noted that, the first flange 23 also can be positioned at the inner side of the second flange 24, and for the consideration of intensity aspect, the first flange 23 is located at the outside of the second flange 24 by the present embodiment.
In order to improve the sealing effectiveness between seal ring 20 and cover body 30, as shown in Figure 5, the lower end of the seal ring 20 of the present embodiment is the exit skirt opened downwards, correspondingly, the upper end of cover body 30 is the taper matched with the lower end of sealing circle 20, seal ring 20 is fitted in bell mouth surface with cover body 30, increases fitting area, which thereby enhance the sealing effectiveness between seal ring 20 and cover body 30.
Cover body 30 and the seal ring 20 of the present embodiment adopt High molecular material to make.Preferably, seal ring 20 adopts rubber or plastics to make, and cover body 30 adopts rubber or plastics to make.More preferably, consider that seal ring 20 is sleeved on the outside of cover body 30, need seal ring 20 to have certain pliability, and cover body 30 needs certain hardness, therefore, seal ring 20 adopts rubber to make, and cover body 30 is then adopted made of plastic.
Deflector dust boot of the present utility model, in fitting process, is pressed on when cover body 30 is installed on steering gear housing 50.After deflector and chassis auxiliary frame are fixed, together with chassis front suspension integral installation on vehicle body, close car to complete chassis; After car is closed on chassis, the mounting hole of body dash board 10 is passed in the upper end of steering gear input shaft 40.In crew module, seal ring 20 is inserted in steering gear input shaft 40, and the lower end of seal ring 20 is the exit skirt opened downwards, is enclosed within the upper end of cover body 20; Meanwhile, the first snap ring 21 of seal ring 20 upper end and the second snap ring 22 compress the mounting hole being fastened on body dash board 10, thus achieve the sealing of deflector dust boot and deflector, body dash board.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (6)
1. a deflector dust boot, is set on steering gear input shaft, it is characterized in that,
The upper end of described deflector dust boot is provided with the first snap ring and the second snap ring, described first snap ring and the second snap ring are fastened on the mounting hole of body dash board, the lateral surface of described first snap ring and described body dash board is fitted, and the medial surface of described second snap ring and described body dash board is fitted;
Lower end and the steering gear housing of described deflector dust boot are tightly connected.
2. deflector dust boot as claimed in claim 1, it is characterized in that, described deflector dust boot comprises and is set in cover body on steering gear input shaft and seal ring, described first snap ring and the second snap ring are located at the upper end of described seal ring, the lower end of described seal ring is set in the outside, upper end of described cover body, and lower end and the steering gear housing of described cover body are tightly connected.
3. deflector dust boot as claimed in claim 2, it is characterized in that, the lower end of described cover body is sheathed on the outside face of steering gear housing by interference fit.
4. the deflector dust boot as described in any one of claim 1-3, is characterized in that, the outward flange of described first snap ring has the first flange to downward-extension, and the outward flange of described second snap ring has the second flange upwards extended;
The lateral surface of described first flange and described body dash board is tightly connected, and the medial surface of described second flange and described body dash board is tightly connected.
5. deflector dust boot as claimed in claim 4, it is characterized in that, described first flange is positioned at the outside of the second flange.
6. deflector dust boot as claimed in claim 2, it is characterized in that, the lower end of described seal ring is the exit skirt opened downwards, and the upper end of described cover body is the taper matched with the lower end of described seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216130.9U CN204587004U (en) | 2015-04-10 | 2015-04-10 | Deflector dust boot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216130.9U CN204587004U (en) | 2015-04-10 | 2015-04-10 | Deflector dust boot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204587004U true CN204587004U (en) | 2015-08-26 |
Family
ID=53923186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520216130.9U Expired - Fee Related CN204587004U (en) | 2015-04-10 | 2015-04-10 | Deflector dust boot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204587004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099159A (en) * | 2018-09-30 | 2018-12-28 | 安徽江淮汽车集团股份有限公司 | A kind of sealed shield |
| CN109204441A (en) * | 2018-09-20 | 2019-01-15 | 三汽车制造有限公司 | Driver, steering transmission linkage, driver's cabin and engineering machinery |
| CN110588761A (en) * | 2019-09-06 | 2019-12-20 | 宁波吉利汽车研究开发有限公司 | Enclose sealed pad structure and car before a steering system |
-
2015
- 2015-04-10 CN CN201520216130.9U patent/CN204587004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204441A (en) * | 2018-09-20 | 2019-01-15 | 三汽车制造有限公司 | Driver, steering transmission linkage, driver's cabin and engineering machinery |
| CN109099159A (en) * | 2018-09-30 | 2018-12-28 | 安徽江淮汽车集团股份有限公司 | A kind of sealed shield |
| CN110588761A (en) * | 2019-09-06 | 2019-12-20 | 宁波吉利汽车研究开发有限公司 | Enclose sealed pad structure and car before a steering system |
| CN110588761B (en) * | 2019-09-06 | 2021-04-23 | 宁波吉利汽车研究开发有限公司 | Enclose sealed pad structure and car before a steering system |
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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 |
Granted publication date: 20150826 |