CN207701974U - A kind of absorption electronic-controlled power steering pulse sebific duct - Google Patents
A kind of absorption electronic-controlled power steering pulse sebific duct Download PDFInfo
- Publication number
- CN207701974U CN207701974U CN201721502591.8U CN201721502591U CN207701974U CN 207701974 U CN207701974 U CN 207701974U CN 201721502591 U CN201721502591 U CN 201721502591U CN 207701974 U CN207701974 U CN 207701974U
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- CN
- China
- Prior art keywords
- sebific duct
- power steering
- layer
- controlled power
- convex stick
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- 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
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Abstract
A kind of absorption electronic-controlled power steering pulse sebific duct, it is characterized in that, it is made of successively inner glue layer, braiding enhancement layer and outer glue-line from inside to outside, being overflowed on the outside of braiding enhancement layer has the convex stick of expansion, it expands convex stick to be attached on the inner surface of inner glue layer, expands convex stick and be formed with spiral groove with corresponding braiding enhancing layer segment.Male and fomale(M＆F) is formed on the inner surface of the utility model, absorption pulsatile effect is good, can absorb the vibration of wide cut frequency band, meanwhile there is no the fixed throttle orifice being inserted into sebific duct, so sebific duct can not only keep adequately flexibility, and will not be damaged inside sebific duct, coefficient safe to use is high.
Description
Technical field
The utility model is related to sebific duct manufacture field more particularly to a kind of absorption electronic-controlled power steering pulse sebific ducts.
Background technology
In the power steering gear of automobile, pulse, this pulse are inevitably resulted from by the pressure fluid of pump output
Transmission pressure sebific duct is set to generate vibration, to send out noise.Noise can bring power steering gear to transmit when violent unstable,
For this purpose, there has been proposed various solutions, including the braided fiber line for using elongation larger, form the enhancing inside sebific duct
Layer absorbs pulse with this；Or helix tube is inserted into sebific duct（Metal band-shaped body is curled into spiral helicine flexible pipe）, or
It is inserted into throttle orifice and is allowed to fixed, be used for disturbing pulse, absorption resonance pulse；Or paste the sound-absorbings such as helix tube in sebific duct inner surface
Material, or setting foaming rubber layer to be to absorb pulse, that there is difficulty of processing is big for above-mentioned sebific duct, rubber tube inner wall is fragile, durable
The shortcomings of property is poor.Therefore, design is a kind of easy to process, and it is imperative to reduce the good electronic-controlled power steering sebific duct of pulsatile effect.
Invention content
To solve defect of the existing technology, the utility model provides that a kind of absorption pulsatile effect is good, processing and fabricating side
Just, flexibility electronic-controlled power steering sebific duct well.
Technical solution adopted in the utility model is：
A kind of absorption electronic-controlled power steering pulse sebific duct, which is characterized in that from inside to outside successively by inner glue layer, braiding enhancement layer
It is formed with outer glue-line, being overflowed on the outside of braiding enhancement layer has the convex stick of expansion, expands convex stick and is attached on the inner surface of inner glue layer, expands
Convex stick is formed with spiral groove with corresponding braiding enhancing layer segment.
The inner glue layer material selection ethylene propylene diene rubber, chlorosulfonated polyethylene, nitrile rubber.
The braiding enhancement layer material selection polyester, vinylon, nylon, aramid fiber.
The outer glue-line material is identical as inner glue layer material.
The beneficial effects of the utility model：Male and fomale(M＆F) is formed on the inner surface of sebific duct, thus its absorption pulsatile effect is good, energy
Absorb the vibration of wide cut frequency band.Meanwhile there is no the fixed throttle orifice being inserted into sebific duct, so sebific duct can not only keep adequately bending
Flexibility, and will not be damaged inside sebific duct, coefficient safe to use is high.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model
Fig. 2 is the vertical axial sectional schematic diagram of the utility model.
Wherein：1- inner glue layers；2- outer glue-lines；3- weaves enhancement layer；4- spiral grooves；5- expands convex stick.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
The embodiment of type is set forth in.
As depicted in figs. 1 and 2, a kind of absorption electronic-controlled power steering pulse sebific duct, which is characterized in that from inside to outside successively by interior
Glue-line 1, braiding enhancement layer 3 and outer glue-line 2 form, and 3 outside of braiding enhancement layer, which is overflowed, the convex stick 5 of expansion, expands convex stick 5 and is attached to
On the inner surface of inner glue layer 1, expands convex stick 5 and be formed with spiral groove 4 with corresponding 3 part of braiding enhancement layer.
The 1 material selection ethylene propylene diene rubber of inner glue layer, chlorosulfonated polyethylene, nitrile rubber.
The 3 material selection polyester of braiding enhancement layer, vinylon, nylon, aramid fiber.
2 material of outer glue-line is identical as 1 material of inner glue layer.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of absorption electronic-controlled power steering pulse sebific duct, which is characterized in that from inside to outside successively by inner glue layer（1）, braiding enhancing
Layer（3）And outer glue-line（2）Composition weaves enhancement layer（3）Outside, which is overflowed, the convex stick of expansion（5）, expand convex stick（5）It is attached to interior glue
Layer（1）Inner surface on, expand convex stick（5）With corresponding braiding enhancement layer（3）Part is formed with spiral groove（4）.
2. a kind of absorption electronic-controlled power steering pulse sebific duct according to claim 1, which is characterized in that the inner glue layer
（1）Material selection ethylene propylene diene rubber, chlorosulfonated polyethylene, nitrile rubber.
3. a kind of absorption electronic-controlled power steering pulse sebific duct according to claim 1, which is characterized in that the braiding enhancing
Layer（3）Material selection polyester, vinylon, nylon, aramid fiber.
4. a kind of absorption electronic-controlled power steering pulse sebific duct according to claim 1, which is characterized in that the outer glue-line
（2）Material and inner glue layer（1）Material is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502591.8U CN207701974U (en) | 2017-11-13 | 2017-11-13 | A kind of absorption electronic-controlled power steering pulse sebific duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502591.8U CN207701974U (en) | 2017-11-13 | 2017-11-13 | A kind of absorption electronic-controlled power steering pulse sebific duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701974U true CN207701974U (en) | 2018-08-07 |
Family
ID=63022362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721502591.8U Expired - Fee Related CN207701974U (en) | 2017-11-13 | 2017-11-13 | A kind of absorption electronic-controlled power steering pulse sebific duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701974U (en) |
-
2017
- 2017-11-13 CN CN201721502591.8U patent/CN207701974U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180807 Termination date: 20211113 |