CN202769094U - Brake hose with function of inhibiting penetration and hydraulic pressure - Google Patents
Brake hose with function of inhibiting penetration and hydraulic pressure Download PDFInfo
- Publication number
- CN202769094U CN202769094U CN 201220113710 CN201220113710U CN202769094U CN 202769094 U CN202769094 U CN 202769094U CN 201220113710 CN201220113710 CN 201220113710 CN 201220113710 U CN201220113710 U CN 201220113710U CN 202769094 U CN202769094 U CN 202769094U
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- rubber layer
- hydraulic pressure
- layer
- sebific duct
- brake hose
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- Rigid Pipes And Flexible Pipes (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a brake hose with a function of inhibiting penetration and a hydraulic pressure, which comprises a hose body. The hose body comprises an inner tube rubber layer formed by mixing ethylene propylene diene monomer rubber and chlorinated butyl rubber and an outer tube rubber layer made of ethylene propylene diene monomer rubber; a space between the inner tube rubber layer and the outer tube rubber layer is surrounded, adhered and coated with a primary braid, a middle rubber sheet layer and a secondary braid from inside to outside; a low-stretch explosion-proof reinforcing layer provided with middle rubber sheet buffering body in the middle is formed by the primary braid, the middle rubber sheet layer and the secondary braid; the inner tube rubber layer, the outer tube rubber layer and the low-stretch explosion-proof reinforcing layer are integrally extruded to form a multilayer explosion-proof tube body structure with the function of inhibiting penetration and the hydraulic pressure; and both ends of the hose body are provided with metal tube joints in a sealing manner by adopting a buckling and pressing process. The product is moderate in cost, has excellent performances, integrates the advantages of low penetration and high explosion protection, also has the characteristic of resisting to brake fluid DOT4 and brake fluid DOT5 and is particularly suitable for hydraulic braking systems of passenger vehicles of intermediate and high grades.
Description
Technical field
The utility model relates to the Brake hose of a kind of brake fluid of anti-DOT5 that uses in the auto parts machinery field, particularly automobile brake system, specifically a kind of Brake hose with inhibition infiltration hydraulic pressure.
Background technique
Hydraulic-brake hose is requisite on each little car and the passenger car, and Brake hose is with high content of technology, and high safety belongs to national compulsory check product.The automobile brake system comprises brake disc, skidding hose assembly, brake boost pump and brake pump etc.Generally be extended with several black pipes on the general braking pump, these pipelines all are metal materials, and reason is very simple, and metal does not have elasticity, can not increase because of the pressure of liquid and expand, and can guarantee the transmission of braking force.But near the end of the pipeline rubber hose of namely but having to adopt the wheel, because in the Vehicle Driving Cycle process, vehicle hanging can be constantly with respect to body movement, thereby will adopt soft extensile quality of rubber materials flexible pipe.From the braking effect angle, the resistance to braking fluid of rubber hose, low bulk amount, pressure-bearing brute force and dynamic fatigue property play an important role to brake system, require rubber pipe assembly swell increment low, and the excellent and dynamic flexural property of resistance to braking fluid performance waits well requirement.The quality of automobile brake system is related to the people's life safety and national wealth etc., and for this reason, concerning hydraulic-brake hose, its formula Design, structural design, processes manufacturing and verification experimental verification etc. are particularly important.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provide that product performance are excellent, steady quality, resistance to braking fluid DOT5 and the powerful 80MPa of surpassing of explosion are above a kind ofly has a Brake hose that suppresses infiltration hydraulic pressure.The advantages such as this flexible pipe has that swell increment is little, hyposmosis, and pressure-bearing property is good, and dynamically excellent the and pulse performance of fatigue resistance is good.
The utility model solves the problems of the technologies described above the technological scheme that adopts: a kind of Brake hose with inhibition infiltration hydraulic pressure, comprise the sebific duct body, the sebific duct body comprises the inner tube rubber layer of being made by soft rubber and the outer tube rubber layer of being made by ethylene propylene diene rubber, and between inner tube rubber layer and the outer tube rubber layer from inside to outside around gluing braid, middle film layers and two times braids of being coated with a time; The explosion-proof enhancement layer of low stretching that contains middle film buffer body in the middle of one time braid, middle film layers and two times braids have consisted of; Inner tube rubber layer, outer tube rubber layer and the low explosion-proof enhancement layer one that stretches are extruded to have formed has the multilayer explosion stack body structure that suppresses infiltration hydraulic pressure; The two ends employing of sebific duct body is withheld process seal and is fitted with metallic pipe coupling.
For optimizing technique scheme, Adopts measure also comprises:
The polyester line layer of an above-mentioned braid for weaving at the inner tube rubber layer.
Two times above-mentioned braids are the vinylon thread layer.
The nitrile butadiene rubber layer of above-mentioned middle film layers between braid and two times braids, coating.
After above-mentioned sebific duct body adopts the extruder one to extrude and through the sulfurizing pot vulcanization moulding, the periphery movable sheath of sebific duct body is furnished with the metal spring body.
One end of above-mentioned sebific duct body has been withheld the metallic pipe coupling male, and its other end has been withheld the metallic pipe coupling female.
The metallic pipe coupling male has all been withheld at the two ends of above-mentioned sebific duct body or the metallic pipe coupling female has all been withheld at two ends.
Compared with prior art, glue is ethylene propylene diene rubber and chlorinated scoline and uses in the sebific duct body of the present utility model, a braid is the polyester line, middle film layers is nitrile butadiene rubber, two times braids are vinylon thread, the outer tube rubber layer is ethylene propylene diene rubber, adopt the sebific duct of this sizing compound formula greatly to improve sealability and the resistance to braking fluid performance of sebific duct body, the explosion-proof enhancement layer of low stretching of double structure has improved the antiknock ability of sebific duct body and had the performance of low elongation under highpressure, sebific duct body highly versatile can be equipped with various metallic pipe couplings as required, adopt between metallic pipe coupling and sebific duct body and withhold that technique is equipped to make this product have higher connection sealing, can not come off or leak air phenomenon.The utility model steady quality and the advantage such as to have an infiltration low, and pressure-bearing property is good, and the excellent and resistance to braking fluid ability of dynamic fatigue is strong.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the part section structural drawing of the utility model sebific duct body.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference character wherein is: sebific duct body 1, inner tube rubber layer 11, braid 12, polyester line layer 121, middle film layers 13, nitrile butadiene rubber layer 131, two times braids 14, vinylon thread layer 141, outer tube rubber layer 15, metallic pipe coupling 2, metal spring body 3.
Extremely shown in Figure 2 such as Fig. 1, a kind of Brake hose that suppresses infiltration hydraulic pressure that has of the present utility model, comprise sebific duct body 1, sebific duct body 1 comprises the inner tube rubber layer 11 of being made by soft rubber and the outer tube rubber layer 15 of being made by ethylene propylene diene rubber, and between inner tube rubber layer 11 and the outer tube rubber layer 15 from inside to outside around gluing braid 12, middle film layers 13 and two times braids 14 of being coated with a time; The explosion-proof enhancement layer of low stretching that contains middle film buffer body in the middle of one time braid 12, middle film layers 13 and two times braids 14 have consisted of; Inner tube rubber layer 11, outer tube rubber layer 15 and explosion-proof enhancement layer one are extruded to have formed has the multilayer explosion stack body structure that suppresses infiltration hydraulic pressure; The two ends employing of sebific duct body 1 is withheld process seal and is fitted with metallic pipe coupling 2.Compared with prior art, inner tube rubber layer 11 of the present utility model changes traditional nitrile butadiene rubber and formula of ethylene propylene terpolymer with ethylene propylene diene rubber and chlorinated scoline into and uses prescription, two kinds of rubber resistance to braking fluid DOT3 of conventional formulation, but can't satisfy the requirement of resistance to braking fluid DOT4 or brake fluid DOT5, the utility model is in prescription and used the good chlorinated scoline of a part of tightness, thereby improved the sealability of sebific duct, gum content and the expansivity of prescription have been controlled, sizing material resistance to braking fluid performance is good, infiltration capacity is low, makes sebific duct dimensionally stable in extrusion process.Have on the other hand and contain the low sebific duct body 1 that stretches explosion-proof enhancement layer of middle film buffer body can guarantee sebific duct under different temperatures and different pressures swell increment and bearing capacity, simultaneously can also make the tensile strength of this product high, the antiknock ability is strong, no matter sebific duct can both reach optimum efficiency vertically bearing different pressure and temperatures with axial direction.The utility model through the powerful 80Mpa of surpassing of its product explosion of test of many times, fatigue test surpass 100 hours, low bulk amount, impulse test surpass 150 circulations.Great advantage of the present utility model is: steady quality, resistance to braking fluid DOT5, swell increment is low, pulse feature good, pressure-bearing and anti-fatigue ability are strong, and the hydraulic braking pipeline that is particularly suitable for medium-to-high grade rank passenger car uses.This soft rubber is that ethylene propylene diene rubber and chlorinated scoline mix.
For further improving the technical performance of this product, a braid 12 of the present utility model is the polyester line layer 121 in 11 braidings of inner tube rubber layer.The polyester line has that intensity is high, the not characteristics such as easy-rupturing, smooth surface, anti-soda acid, anti-UV radiation, weather-resistant, thereby its long service life.Compare with nylon thread, the stretch rate of polyester line is lower, can at an easy rate by rapid tensioning, use size changing rate minimum under its normal conditions.The polyester line is the best substitute of iron wire, steel wire.Adopt the polyester line can not only satisfy the requirement of the explosion-proof of sebific duct body and low bulk amount, and can also holding tube body softness light, be conducive to install and connect and can reduce manufacture cost.
Among the embodiment, two times braids 14 of the present utility model are vinylon thread layer 141.Vinylon thread has powerful good, extend low, the characteristics such as bar is done evenly and the rubber plastic bond properties is good, the capability and performance of this product of energy Effective Raise.
Among the embodiment, after sebific duct body 1 adopts the extruder one to extrude and through the sulfurizing pot vulcanization moulding, the periphery movable sheath of sebific duct body is furnished with metal spring body 3.The utility model is in order to improve the abrasion-resistant surface of product; prevent other parts generation frictional interference of product and vehicle; can be wound with metal spring body 3 in sebific duct body 1 periphery; metal spring body 3 energy protective tube surfaces are not frayed; body can not distorted bearing in the external force situation, guarantee that the body passage is unimpeded.
The utility model is a kind of Brake hose of the brake fluid of anti-DOT5, and its manufacturing process is:
1, ethylene propylene diene rubber and chlorinated scoline are also used in proportion batching;
2, sizing material is mediated and is made the semi-finished product sizing material with banbury;
3, extrude the big-length inner tube at extruder, obtain the inner tube rubber layer;
4, above-mentioned inner tube rubber layer is woven into the woven tube that contains explosion-proof enhancement layer;
5, on woven tube, further extrude the outer tube rubber layer and obtain sebific duct body semi-finished product of the present utility model;
6, sebific duct body semi-finished product are entered sulfurizing pot vulcanization and obtain finished product sebific duct body;
7, finished product sebific duct body check being cut rear assembling withholds metallic pipe coupling and obtains this product.
The utility model resistance to braking fluid DOT4 and brake fluid DOT5, has the brute force of pulling apart high, the characteristics such as elongation percentage is little, the bursting pressure of its sebific duct body reaches more than the 80MPa, be that a kind of cost is moderate, function admirable, steady quality, have both hyposmosis and high explosion-proof Brake hose, be particularly suitable for medium-to-high grade rank passenger car hydraulic braking sytem and use.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (7)
1. one kind has the Brake hose that suppresses infiltration hydraulic pressure, comprise sebific duct body (1), it is characterized in that: the outer tube rubber layer (15) that described sebific duct body (1) comprises the inner tube rubber layer (11) made by soft rubber, made by ethylene propylene diene rubber, and between inner tube rubber layer (11) and the outer tube rubber layer (15) from inside to outside around a gluing braid (12), middle film layers (13) and the two times braids (14) of being coated with; The explosion-proof enhancement layer of low stretching that contains middle film buffer body in the middle of a described braid (12), middle film layers (13) and two times braids (14) have consisted of, described inner tube rubber layer (11), outer tube rubber layer (15) and the low explosion-proof enhancement layer one that stretches are extruded to have formed has the multilayer explosion stack body structure that suppresses infiltration hydraulic pressure; The two ends employing of described sebific duct body (1) is withheld process seal and is fitted with metallic pipe coupling (2).
2. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 1 is characterized in that: the polyester line layer (121) of a described braid (12) for weaving at inner tube rubber layer (11).
3. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 2, it is characterized in that: described two times braids (14) are vinylon thread layer (141).
4. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 3 is characterized in that: the nitrile butadiene rubber layer (131) of described middle film layers (13) for coating between a braid (12) and two times braids (14).
5. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 4, it is characterized in that: after described sebific duct body (1) adopts the extruder one to extrude and through the sulfurizing pot vulcanization moulding, the periphery movable sheath of described sebific duct body is furnished with metal spring body (3).
6. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 1, it is characterized in that: an end of described sebific duct body (1) has been withheld the metallic pipe coupling male, and its other end has been withheld the metallic pipe coupling female.
7. a kind of Brake hose that suppresses infiltration hydraulic pressure that has according to claim 1, it is characterized in that: the metallic pipe coupling male has all been withheld at the two ends of described sebific duct body (1) or the metallic pipe coupling female has all been withheld at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113710 CN202769094U (en) | 2012-03-23 | 2012-03-23 | Brake hose with function of inhibiting penetration and hydraulic pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220113710 CN202769094U (en) | 2012-03-23 | 2012-03-23 | Brake hose with function of inhibiting penetration and hydraulic pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202769094U true CN202769094U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220113710 Expired - Fee Related CN202769094U (en) | 2012-03-23 | 2012-03-23 | Brake hose with function of inhibiting penetration and hydraulic pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202769094U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644397A (en) * | 2013-12-07 | 2014-03-19 | 海鹰企业集团有限责任公司 | Multi-layer rubber pipe resisting to lateral pressure |
| CN103644393A (en) * | 2013-12-19 | 2014-03-19 | 山东方大工程有限责任公司 | Continuous fiber reinforced polyolefin composite tube and preparation technology thereof |
| CN104613078A (en) * | 2015-01-28 | 2015-05-13 | 柳州市同进汽车零部件制造有限公司 | Automobile brake cable |
| WO2016045230A3 (en) * | 2014-09-24 | 2016-06-30 | 浙江海伦塑胶有限公司 | Automatically extending and expanding water pipe of extended service life |
-
2012
- 2012-03-23 CN CN 201220113710 patent/CN202769094U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644397A (en) * | 2013-12-07 | 2014-03-19 | 海鹰企业集团有限责任公司 | Multi-layer rubber pipe resisting to lateral pressure |
| CN103644397B (en) * | 2013-12-07 | 2016-03-30 | 海鹰企业集团有限责任公司 | Side-pressure resistent multilayer rubber pipe |
| CN103644393A (en) * | 2013-12-19 | 2014-03-19 | 山东方大工程有限责任公司 | Continuous fiber reinforced polyolefin composite tube and preparation technology thereof |
| CN103644393B (en) * | 2013-12-19 | 2015-10-28 | 山东方大工程有限责任公司 | Continuous lod polyolefin composite pipe and preparation process thereof |
| WO2016045230A3 (en) * | 2014-09-24 | 2016-06-30 | 浙江海伦塑胶有限公司 | Automatically extending and expanding water pipe of extended service life |
| CN104613078A (en) * | 2015-01-28 | 2015-05-13 | 柳州市同进汽车零部件制造有限公司 | Automobile brake cable |
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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: 20130306 Termination date: 20150323 |
|
| EXPY | Termination of patent right or utility model |