CN207657893U - Gravity flow steering gear anti-fouler and its steering gear - Google Patents
Gravity flow steering gear anti-fouler and its steering gear Download PDFInfo
- Publication number
- CN207657893U CN207657893U CN201721901396.2U CN201721901396U CN207657893U CN 207657893 U CN207657893 U CN 207657893U CN 201721901396 U CN201721901396 U CN 201721901396U CN 207657893 U CN207657893 U CN 207657893U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- input shaft
- fouler
- threaded cap
- dust seal
- 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
- 230000005484 gravity Effects 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 7
- 125000006841 cyclic skeleton Chemical group 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 9
- 238000007789 sealing Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Steering Controls (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model belongs to power steering stgear structure-design technique field, and in particular to a kind of gravity flow steering gear anti-fouler, including threaded cap, further include anti-dust seal, and threaded cap is arranged between steering gear input shaft and steering gear housing；The internal diameter of threaded cap is equipped with mounting groove；Anti-dust seal is installed, the top of anti-dust seal is equipped with dustproof lip at steering gear input shaft in mounting groove；Dustproof lip tilts down setting along one end close to steering gear input shaft, and the surface of dustproof lip is higher by the end face of threaded cap.The utility model further relates to a kind of steering gear, and above-mentioned anti-fouler is equipped on steering gear input shaft.Gravity flow steering gear anti-fouler provided by the utility model increases the installation site of anti-dust seal on threaded cap, and anti-dust seal is set and increases dust-proof effect, dustproof lip forms a downward slope, sewage etc. can flow down automatically, it effectively avoids various dust and sewage from carrying out steering gear, improves the service life and performance of steering gear.
Description
Technical field
The utility model belongs to power steering stgear structure-design technique field, and in particular to a kind of gravity flow steering gear is antifouling
Device and its steering gear.
Background technology
The dust-proof processing of traditional power steering gear input terminal is after covering upper dust cover on threaded cap, but dust cover cannot be complete
Full sealing steering gear output end, although the short time avoid dust from entering steering gear input terminal；Each by being used in for a long time
After kind complex road condition, and various dusts, sewage are remained in due to dust cover blow-by between dust cover and threaded cap, and are remained
Dust, sewage can destroy the service life of lip mouth oil seal, so dust, sewage, which can pass through steering gear input terminal and penetrate into, to be turned to
In device, turning machine cleannes are bad, can be due to lip oil to influence hydraulic oil in the failures such as turning machine hair fastener or steering gear
Phenomena such as envelope fails and generates oil leak.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the purpose of this utility model to be to provide a kind of gravity flow steering gear
Anti-fouler and its steering gear, can effectively prevent various dusts and sewage carries out in steering gear so that steering gear output end
In a kind of clean environmental work.
To achieve the above object, the technical solution of the utility model is a kind of gravity flow steering gear anti-fouler, including spiral shell
Line lid further includes anti-dust seal, and the threaded cap is arranged between steering gear input shaft and steering gear housing；The threaded cap
Internal diameter is equipped with mounting groove；Anti-dust seal is installed, the top of the anti-dust seal is inputted close to steering gear in the mounting groove
Dustproof lip is equipped at axis；The dustproof lip tilts down setting along close to one end of steering gear input shaft, and the dustproof lip
Surface is higher by the end face of the threaded cap.
Further, the anti-dust seal is interference fitted with the threaded cap.
Further, the anti-dust seal includes skeleton and the rubbery sealed body that is coated on outside the skeleton；The rubber
The top of seal is equipped with dustproof lip at steering gear input shaft, and the dustproof lip is matched with the steering gear input shaft interference
It closes.
Further, the skeleton is the L-shaped cyclic skeleton of axial cross section.
Further, the threaded cap is internally provided with stepped hole, and the steering gear input shaft passes through on the threaded cap
Stepped hole；The dustproof lip part protrudes the aperture of the stepped hole.
Further, the top of the anti-dust seal is interference fitted with the steering gear input shaft, the anti-dust seal
There is gap between lower part and the steering gear input shaft.
A kind of steering gear, including steering gear input shaft are equipped with above-mentioned gravity flow on the steering gear input shaft and turn to
The threaded cap of device anti-fouler, gravity flow steering gear anti-fouler is connected through a screw thread with steering gear housing, and nut-locking is used in combination.
Compared with prior art, the beneficial effects of the utility model：
(1) gravity flow steering gear anti-fouler provided by the utility model increases the installation position of anti-dust seal on threaded cap
It sets, and anti-dust seal is set, you can steering gear input terminal is increased into dust-proof effect, the dustproof lip of anti-dust seal can be avoided effectively
Various dust and sewage carry out steering gear, improve the service life and performance of steering gear.
(2) dustproof lip of gravity flow steering gear anti-fouler provided by the utility model is towards the lateral updip of steering gear input shaft
Tiltedly setting, dustproof lip is interference fitted with steering gear input shaft, and the upper surface of dustproof lip is higher by the end face of the threaded cap,
Steering gear input shaft can flow down automatically to a downward slope, sewage etc. is formed between screw thread so that steering gear output end
In a kind of clean environmental work.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of threaded cap in the gravity flow anti-fouler that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of anti-dust seal in the gravity flow anti-fouler that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram for the gravity flow anti-fouler that the utility model embodiment provides；
Fig. 4 is the scheme of installation for the gravity flow anti-fouler that the utility model embodiment provides；
In figure：1, anti-dust seal, 11, skeleton, 12, rubbery sealed body, 111, dustproof lip, 2, threaded cap, 3, mounting groove, 4,
Steering gear input shaft, 5, locknut, 6, steering gear housing.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As Figure 1-Figure 4, the utility model embodiment provides gravity flow steering gear anti-fouler, including threaded cap 2, also
Including anti-dust seal 1, the threaded cap 2 is arranged between steering gear input shaft 4 and steering gear housing 6；The threaded cap 2 it is interior
Diameter is equipped with mounting groove 3；Anti-dust seal 1 is installed, the top of the anti-dust seal 1 is defeated close to steering gear in the mounting groove 3
Enter and is equipped with dustproof lip 111 at axis 4；The dustproof lip 111 tilts down setting, and institute along close to one end of steering gear input shaft 4
The surface for stating dustproof lip 111 is higher by the end face of the threaded cap 2.
Gravity flow steering gear anti-fouler provided by the utility model increases the installation site of anti-dust seal on threaded cap,
And anti-dust seal is set, you can steering gear input terminal is increased into dust-proof effect, the dustproof lip of anti-dust seal can be avoided effectively respectively
Kind dust and sewage carry out steering gear, improve the service life and performance of steering gear.In addition, dustproof lip 111 is defeated towards steering gear
Enter axis 4 it is lateral on be obliquely installed, and dustproof lip 111 is interference fitted with steering gear input shaft 4, and the upper surface of dustproof lip 111
It is higher by the end face of the threaded cap 2, such dustproof lip 111 has the downward slope that steering gear input shaft 4 arrives threaded cap 2, dirty
Water etc. can flow down certainly so that steering gear output is in a kind of clean environmental work.
Further, the anti-dust seal 1 is interference fitted with the threaded cap 2, ensures that anti-dust seal 1 is fixed on threaded cap
On 2 internal diameter.
Further, as shown in Fig. 2, the anti-dust seal 1 includes skeleton 12 and the rubber being coated on outside the skeleton 12
Seal 11；The top of the rubbery sealed body 11 at steering gear input shaft 4 be equipped with dustproof lip 111, the dustproof lip with
The steering gear input shaft interference fit.The skeleton 12 is the L-shaped cyclic skeleton of axial cross section.Skeleton 12 plays reinforcement intensity
And supporting role, dustproof lip 111 seal with the interference fit of steering gear input shaft 4.
As shown in Figure 1, the threaded cap 2 is internally provided with stepped hole, the steering gear input shaft 4 passes through the threaded cap
Stepped hole on 2；111 part of the dustproof lip protrudes the aperture of the stepped hole.The setting of mounting groove 3 is leaned in stepped hole through aperture
Internal diameter on, the outer diameter of anti-dust seal 1 is matched with the internal diameter of mounting groove 3, the internal diameter of anti-dust seal 1 and steering gear input shaft 4
Interference fit.
The top of the anti-dust seal 1 and the steering gear input shaft 4 are interference fitted, the lower part of the anti-dust seal 1 with
There is gap between the steering gear input shaft 4.Below the anti-dust seal 1 be equipped with outside framework oil seal, outside framework oil seal include skeleton,
The rubber layer being coated on outside the skeleton and the ring-shaped rubber bodies being wholely set with rubber layer；Rubber bodies are radially inside arranged
First sealing lip of protrusion, the first sealing lip are interference fitted with steering gear input shaft 4；The outside of rubber bodies and the first sealing lip pair
It is equipped with groove at the position answered, elastomer is equipped in groove；Rubber bodies radially inside also set up protrusion the second sealing lip and
Third sealing lip, the second sealing lip and third sealing lip are interference fitted with steering gear input shaft 4.
The utility model embodiment also provides a kind of steering gear, including steering gear input shaft 4, the steering gear input shaft 4
On above-mentioned gravity flow steering gear anti-fouler is installed, threaded cap 2 and the steering gear housing 6 of gravity flow steering gear anti-fouler
It is connected through a screw thread, locknut 5 is used in combination to lock.Being equipped with the steering gear of above-mentioned gravity flow steering gear anti-fouler can effectively avoid
Dust and sewage carry out steering gear, improve the service life and performance of steering gear.
The installation method of gravity flow steering gear anti-fouler provided in this embodiment：Using threaded cap 2 and anti-dust seal 1,
Anti-dust seal 1 is fitted in the mounting groove 3 on threaded cap 2, as shown in figure 3, anti-dust seal 1 is interference fitted with threaded cap 2, group
At gravity flow anti-fouler, assembly is threadedly coupled with steering gear housing 6 again with after the completion of, then uses locknut 6 locked, finally
The assembly of steering gear is completed according to assembly process before, you can complete the use of the device, as shown in Figure 4.When steering gear exists
During use, though steering gear output end may be remained in by having remaining sewage, but due to anti-dust seal 1 in device
Dustproof lip 111 is higher than 2 surface of threaded cap, and plays slope, and sewage etc. can flow down certainly so that steering gear output is in one
The clean environmental work of kind.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. gravity flow steering gear anti-fouler, including threaded cap (2), it is characterised in that：Further include anti-dust seal (1), the spiral shell
Line lid (2) is arranged between steering gear input shaft (4) and steering gear housing (6)；The internal diameter of the threaded cap (2) is equipped with installation
Slot (3)；Anti-dust seal (1) is installed in the mounting groove (3), the top of the anti-dust seal (1) is close to steering gear input shaft
(4) dustproof lip (111) is equipped at；The dustproof lip (111) tilts down setting along one end close to steering gear input shaft (4),
And the surface of the dustproof lip (111) is higher by the end face of the threaded cap (2).
2. gravity flow steering gear anti-fouler as described in claim 1, it is characterised in that：The anti-dust seal (1) with it is described
Threaded cap (2) is interference fitted.
3. gravity flow steering gear anti-fouler as described in claim 1, it is characterised in that：The anti-dust seal (1) includes bone
Frame (12) and it is coated on the rubbery sealed body (11) of the skeleton (12) outside；The top of the rubbery sealed body (11) is close to steering
Dustproof lip (111) is equipped at device input shaft (4)；The dustproof lip (111) is interference fitted with the steering gear input shaft (4).
4. gravity flow steering gear anti-fouler as claimed in claim 3, it is characterised in that：The skeleton (12) is axial cross section
L-shaped cyclic skeleton.
5. gravity flow steering gear anti-fouler as described in claim 1, it is characterised in that：The inside of the threaded cap (2) is set
There are stepped hole, the steering gear input shaft (4) to pass through the stepped hole on the threaded cap (2)；Dustproof lip (111) part is prominent
Go out the aperture of the stepped hole.
6. gravity flow steering gear anti-fouler as described in claim 1, it is characterised in that：The top of the anti-dust seal (1)
It is interference fitted with the steering gear input shaft (4), between the lower part and the steering gear input shaft (4) of the anti-dust seal (1)
There is gap.
7. a kind of steering gear, it is characterised in that：Including steering gear input shaft (4), on the steering gear input shaft (4) installation just like
Gravity flow steering gear anti-fouler described in claim 1-6 any one, the threaded cap (2) of gravity flow steering gear anti-fouler
It is connected through a screw thread with steering gear housing (6), locknut (5) is used in combination to lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901396.2U CN207657893U (en) | 2017-12-29 | 2017-12-29 | Gravity flow steering gear anti-fouler and its steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901396.2U CN207657893U (en) | 2017-12-29 | 2017-12-29 | Gravity flow steering gear anti-fouler and its steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207657893U true CN207657893U (en) | 2018-07-27 |
Family
ID=62944613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901396.2U Expired - Fee Related CN207657893U (en) | 2017-12-29 | 2017-12-29 | Gravity flow steering gear anti-fouler and its steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207657893U (en) |
-
2017
- 2017-12-29 CN CN201721901396.2U patent/CN207657893U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |