CN104033474B - A kind of vehicle hose - Google Patents
A kind of vehicle hose Download PDFInfo
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- CN104033474B CN104033474B CN201410239219.7A CN201410239219A CN104033474B CN 104033474 B CN104033474 B CN 104033474B CN 201410239219 A CN201410239219 A CN 201410239219A CN 104033474 B CN104033474 B CN 104033474B
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- internal lining
- flat filament
- lining pipe
- steel wire
- wire floor
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Abstract
The present invention relates to a kind of vehicle hose, including being the crust that hollow is arranged and the internal lining pipe being arranged on outer Intradermal, the first flat filament, steel wire floor and the second flat filament it is sequentially provided with between internal lining pipe and crust, first flat filament concentric is arranged on internal lining pipe outer wall and tight internal lining pipe in the shape of a spiral, steel wire floor concentric is arranged on the first flat filament outer wall, steel wire floor is made up of some steel bars being evenly distributed on the first flat filament outer wall, second flat filament concentric is arranged and tight steel wire floor, the second flat filament and crust inwall fit tightly in the shape of a spiral；Wherein, internal lining pipe is made up of nylon composite materials, and the mechanical property such as intensity, toughness, wearability is better.And when flexible pipe uses, first flat filament can effectively prevent internal lining pipe from deforming, steel wire floor can effectively prevent flexible pipe from stretching or compression, prevent the deformation of flexible pipe further, the design reinforcement of the second flat filament internal lining pipe, the first flat filament and steel wire floor connection each other, prevent deformation, improve the service life of flexible pipe.
Description
Technical field
The invention belongs to technical field of automobile parts, relate to a kind of vehicle hose.
Background technology
Automobile as the walking-replacing tool of people, is one of main vehicles.Automobile has many parts being distributed in each orientation of vehicle body, makes because this type component is mostly rigid material, and is arranged on different azimuth, so they are not suitable for being directly connected to carry out transmission, therefore flexible axle just occurs in vehicle body at large.Because of the clutch of operating mechanism Yu automobile be rigid structure and installation site farther out, so flexible axle is particularly suited for the operating mechanism of automobile and the connection of automobile clutch.
It is known that driver is as changed the speed of driving, being necessary for being swung by manipulation stick realizing, manipulation system has carried out the reciprocating stroke of both direction, and therefore flexible axle needs the active force of carrying both direction, i.e. thrust and pulling force.The quality of flexible axle directly determines the gearshift performance of automobile.
Flexible axle includes mandrel and flexible pipe, and flexible pipe wraps up mandrel, and flexible pipe is the key position of flexible axle.In above-mentioned reciprocating stroke, the wearability of flexible pipe and to be unlikely to deform be determine one of flexible axle life-span important key element.
In sum, it is necessary to a kind of wearability vehicle hose good, on-deformable of design.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of wearability vehicle hose good, on-deformable.
The purpose of the present invention can be realized by following technical proposal: a kind of vehicle hose, including being the crust that hollow is arranged and the internal lining pipe being arranged on outer Intradermal, the first flat filament it is sequentially provided with between described internal lining pipe and crust, steel wire floor and the second flat filament, described first flat filament concentric is arranged on internal lining pipe outer wall and tight internal lining pipe in the shape of a spiral, described steel wire floor concentric is arranged on the first flat filament outer wall, described steel wire floor is made up of some steel bars being evenly distributed on the first flat filament outer wall, described second flat filament concentric setting and in the shape of a spiral tight steel wire floor, described second flat filament and crust inwall fit tightly；Wherein, described internal lining pipe is made up of nylon composite materials, described nylon composite materials is become to be grouped into by following parts by weight: nylon 1311:60-90 part, POM:5-25 part, carbon fiber: 10-30 part, silicone powder: 1-3 part, Polyurethane Thermoplastic Elastomer: 0.5-10 part, bulking agent: 6-9 part, antioxidant: 0.5-2 part.
Internal lining pipe in vehicle hose of the present invention is made up of nylon composite materials, and nylon composite materials is mainly strengthened nylon 1311 by POM, carbon fiber and some auxiliary agents and makes.Nylon 1311 has good physical and mechanical properties, and quite, water absorption rate is significantly less than nylon 12 for the performance such as its hot strength, impact strength, bending strength, the modulus of elasticity in static bending and nylon 12；Bending modulus, impact strength and nylon 11 are suitable. and elongation at break, apparently higher than nylon 11, has good electrical property and hot property simultaneously, is the model engineering plastic of a kind of function admirable.And POM yield is big, the high comprehensive performance such as rigidity, intensity, elasticity, fatigue durability, chemical-resistant, wearability.POM is blended with nylon 1311, and the advantage in conjunction with two kinds of polymer prepares the good internal lining pipe of the mechanical property such as high intensity, high-wearing feature.
Additionally, the material of internal lining pipe is also added into the auxiliary materials such as enhancing system, auxiliary agent.Wherein, fibre reinforced system light weight, intensity are big, and when weight just corresponds to the 20-30% of steel weight, hardness but reaches more than 10 times of steel.So be possible not only to make internal lining pipe lightweight when strengthening internal lining pipe by fibre reinforced system, and intensity, wearability are higher.And silicone powder is a kind of rigid particles, particle diameter is at 1-3 μm, there is certain wearability, silicone powder is joined the effect that can play nucleator in composite, crystallization process can be formed many tiny spherocrystals, and can be distributed in composite preferably, improve lubricity, wearability and crystalline state, make composite have thinner texture structure, so that the intensity of internal lining pipe made of composite, heat distortion temperature are improved, friction factor reduces, and anti-wear performance improves.It addition, Polyurethane Thermoplastic Elastomer can form hydrogen bond with POM molecule, thus playing good toughening effect, improve the toughness of goods internal lining pipe.
But, above-mentioned material can not be well compatible in mixed system, so the present invention adds bulking agent in composite system, bulking agent is one or more in commercially available common bulking agent, as: polybutadiene graft maleic anhydride (PB-g-MAH), Research of Grafting Malaic Anhydride Onto Polyethylene (PE-g-MAH).Nylon 1311 in bulking agent one end after these grafting and material system has a good compatibility, and other component such as the other end and fibre reinforced system is connected, improves the compatibility of other component in nylon 1311 and material system, it is also possible to improve toughness.And the addition of antioxidant is primarily to the oxygenolysis suppressing the oxygen in air to composite, improve the reservation of physical property after material of the present invention heats in aerobic air.Described antioxidant is also one or more in commercially available common antioxidant, as: antioxidant B215, antioxidant B225, antioxidant 1010, antioxidant 1076.
In addition, the parts by weight of each component of above-mentioned nylon composite materials are to add at nylon 1311 to determine on the basis of 60-90 part, if adding very few, then cannot meet the performance requirement of goods internal lining pipe, if addition is too much, then affecting the structure of composite, too much component likely occurs from the trend becoming a phase, reduce the mechanical property such as composite material strength, wearability, equally also can affect the performance of internal lining pipe.
In above-mentioned a kind of vehicle hose, described internal lining pipe is made up of nylon composite materials, described nylon composite materials is become to be grouped into by following parts by weight: nylon 1311:80 part, POM:15 part, carbon fiber: 20 parts, silicone powder: 2 parts, Polyurethane Thermoplastic Elastomer: 4 parts, bulking agent: 7 parts, antioxidant: 1 part.This preparation is the constituent of the nylon composite materials preparing internal lining pipe of the present invention and optimizing further of parts by weight thereof, makes the mechanical property such as intensity, wearability all preferably internal lining pipe by this optimization of C/C composites.
In above-mentioned a kind of vehicle hose, the preparation method of described internal lining pipe comprises the following steps:
S1, weigh raw material by constituent and the parts by weight thereof of above-mentioned nylon composite materials, the barrel in high-speed injection molding machine is heated to 200-300 DEG C simultaneously, then the above-mentioned raw material weighed be sufficiently mixed uniformly and add in barrel, being heated to molten condition；
S2, by the raw material of molten condition through hot flow path nozzle injection to heating after internal lining pipe mould in, through pressurize, cooling molding, die sinking prepare internal lining pipe.
In above-mentioned a kind of vehicle hose, in the preparation method of described internal lining pipe, in step S2, hot flow path temperature is 230-280 DEG C, and mold temperature is 50-80 DEG C, injection pressure is 10-15MPa, dwell pressure is 8-12MPa, and the dwell time is 6-12s, and cool time is 1-6min.
In above-mentioned a kind of vehicle hose, described first flat filament, the second flat filament all arrange in flat-shaped and are made up of stainless steel material.Stainless steel material hardness, rigidity, intensity are higher, and itself is unlikely to deform, the flat filament tight internal lining pipe made with rustless steel, can effectively prevent internal lining pipe from deforming.
In above-mentioned a kind of vehicle hose, the lateral wall of adjacent two sections of described first flat filament fits tightly.
In above-mentioned a kind of vehicle hose, all there is certain distance the lateral wall of adjacent two sections of described second flat filament.
In above-mentioned a kind of vehicle hose, adjacent two interradicular spaces of described steel bar are zero.
Compared with prior art, the following beneficial effect of the present invention:
1, the internal lining pipe in vehicle hose of the present invention adopts nylon composite materials to make, nylon 1311 is as the model engineering plastic of a kind of high comprehensive performance, prepare the good internal lining pipes of mechanical property such as high intensity, high tenacity, high-wearing feature in conjunction with POM, improve the life-span of vehicle hose.
2, also composite fibre reinforced system and nucleator silicone powder in the nylon composite materials of internal lining pipe are prepared, it is effectively increased the intensity of internal lining pipe, toughness, heat distortion temperature, reducing friction factor, improving the wearability of internal lining pipe, thus improving the service life of internal lining pipe.
3, when flexible pipe uses, the first flat filament can effectively prevent internal lining pipe from deforming.
4, flexible pipe is in use, it will bear pulling force and thrust, and steel wire floor can effectively prevent flexible pipe from stretching or compression, prevents the deformation of flexible pipe further, improves the service life of flexible pipe.
5, the design reinforcement of the second flat filament internal lining pipe, the first flat filament and steel wire floor connection each other, it is prevented that deformation.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of a preferred embodiment of the present invention.
Fig. 2 is the sectional view of a preferred embodiment of the present invention.
In figure, 10, crust；20, internal lining pipe；30, the first flat filament；40, the second flat filament；50, steel wire floor；51, steel bar.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, this vehicle hose includes being the crust 10 that hollow is arranged and the internal lining pipe 20 being arranged on outer Intradermal, the first flat filament 30 it is sequentially provided with between internal lining pipe 20 and crust 10, steel wire floor 50 and the second flat filament 40, first flat filament 30 concentric is arranged on internal lining pipe 20 outer wall and tight internal lining pipe 20 in the shape of a spiral, steel wire floor 50 concentric is arranged on the first flat filament 30 outer wall, steel wire floor 50 is made up of the many steel bars 51 being evenly distributed on the first flat filament 30 outer wall, second flat filament 40 concentric setting and in the shape of a spiral tight steel wire floor 50, second flat filament 40 fits tightly with crust 10 inwall.
Flexible pipe will bear pulling force and thrust in use, and the existence of steel wire floor 50 improves the intensity of flexible pipe, it is possible to effectively prevents flexible pipe from stretching or compression, it is therefore prevented that the deformation of flexible pipe, improves the service life of flexible pipe.
Flexible pipe can in order to transmit power better, not only to reach the requirement of intensity, and require between each layer of flexible pipe without relative motion, first flat filament 30 winds around on internal lining pipe 20 outer wall, the mandrel (not marking in figure) of internal lining pipe 20 and the inside thereof is held onto, when the effect of flexible pipe holding capacity, internal lining pipe 20 is without deformation；Because steel wire floor 50 is made up of many steel bars 51; it is wrapped on steel wire floor 50 outer wall with the second flat filament 40; not only reach steel wire floor 50 and the first flat filament 30 has fitted tightly; and make steel bar 51 integrated distribution; further enhancing the intensity of flexible pipe, crust 10 improves fitting tightly of each layer in flexible pipe while the structure protecting inside hose.
Preferably, internal lining pipe 20 is made up of nylon composite materials, described nylon composite materials is become to be grouped into by following parts by weight: nylon 1311:60-90 part, POM:5-25 part, carbon fiber: 10-30 part, silicone powder: 1-3 part, Polyurethane Thermoplastic Elastomer: 0.5-10 part, bulking agent: 6-9 part, antioxidant: 0.5-2 part.Internal lining pipe 20 adopts above-mentioned nylon composite materials to make the wearability that can increase internal lining pipe 20, internal lining pipe 20 directly contacts with mandrel, internal lining pipe 20 will produce friction with mandrel, and the anti-wear performance of internal lining pipe 20 directly affects the life-span of flexible pipe, adds wearability and directly increases the service life of flexible pipe.
Preferably, the first flat filament 30 and the second flat filament 40 all arrange in flat-shaped and are made up of stainless steel material, it is prevented that inside hose deforms, and saves material simultaneously.
It is further preferred that the lateral wall of adjacent two sections of the first flat filament 30 fits tightly so that the first flat filament 30 is coated with internal lining pipe 20 completely, can effectively prevent internal lining pipe 20 from deforming.
Further preferably, all there is certain distance the lateral wall of the second adjacent two sections of flat filament 40, second flat filament 40 strengthens the connection each other of internal lining pipe the 20, first flat filament 30 and steel wire floor 50 and prevents steel bar 51 from departing from fixed position, indirectly prevents flexible pipe in use to deform.
Preferably, adjacent two interradicular spaces of steel bar 51 are zero, and steel bar 51 is distributed tightr, and without relative motion between steel bar 51, steel wire floor 50 is more firm, can effectively prevent flexible pipe from deforming.
Table 1: the constituent of embodiment of the present invention 1-4 internal lining pipe and parts by weight thereof
Embodiment 1:
Weigh raw material by the constituent of embodiment 1 internal lining pipe in table 1 and parts by weight thereof, the barrel in high-speed injection molding machine is heated to 200 DEG C simultaneously, then the above-mentioned raw material weighed be sufficiently mixed uniformly and add in barrel, being heated to molten condition.And by the raw material of molten condition through the hot-runner nozzle of 230 DEG C in the mould of the internal lining pipe of 10MPa injected under pressure to 50 DEG C, then pressurize 12s under the pressure of 8MPa, cooling 2min die sinking prepares internal lining pipe.
Embodiment 2:
Weigh raw material by the constituent of embodiment 2 internal lining pipe in table 1 and parts by weight thereof, the barrel in high-speed injection molding machine is heated to 240 DEG C simultaneously, then the above-mentioned raw material weighed be sufficiently mixed uniformly and add in barrel, being heated to molten condition.And by the raw material of molten condition through the hot-runner nozzle of 250 DEG C in the mould of the internal lining pipe of 12MPa injected under pressure to 60 DEG C, then pressurize 10s under the pressure of 10MPa, cooling 3min die sinking prepares internal lining pipe.
Embodiment 3:
Weigh raw material by the constituent of embodiment 3 internal lining pipe in table 1 and parts by weight thereof, the barrel in high-speed injection molding machine is heated to 260 DEG C simultaneously, then the above-mentioned raw material weighed be sufficiently mixed uniformly and add in barrel, being heated to molten condition.And by the raw material of molten condition through the hot-runner nozzle of 265 DEG C in the mould of the internal lining pipe of 13MPa injected under pressure to 65 DEG C, then pressurize 9s under the pressure of 10MPa, cooling 5min die sinking prepares internal lining pipe.
Embodiment 4:
Weigh raw material by the constituent of embodiment 4 internal lining pipe in table 1 and parts by weight thereof, the barrel in high-speed injection molding machine is heated to 300 DEG C simultaneously, then the above-mentioned raw material weighed be sufficiently mixed uniformly and add in barrel, being heated to molten condition.And by the raw material of molten condition through the hot-runner nozzle of 280 DEG C in 15MPa injected under pressure to the mould of the internal lining pipe of 50-80 DEG C, then pressurize 6s under the pressure of 12MPa, then cooling 5min die sinking prepares internal lining pipe.
The internal lining pipe that embodiment of the present invention 1-4 prepares is carried out performance test, and test result is as shown in table 2.
The internal lining pipe the performance test results that table 2: embodiment of the present invention 1-4 prepares
As known from Table 2, the present invention adopts the internal lining pipe that the formula of embodiment 1-4 nylon composite materials is made to improve its intensity, reduces friction factor, improves the wearability of internal lining pipe, therefore, improves the service life of internal lining pipe.
Application Example:
The internal lining pipe prepared in embodiment of the present invention 1-4 is applied in vehicle hose of the present invention.
Matched group:
Commercially available common vehicle hose.
The vehicle hose present invention prepared and the commercially available common vehicle hose of matched group carry out performance test, and wherein, bendability is the test when bending 180 °, and weatherability is tested under-40 DEG C～120 DEG C conditions, and test result is as shown in table 3.
Table 3: vehicle hose that the present invention makes and commercially available common vehicle hose
The performance test results
As known from Table 3, arranging by present configuration adopts vehicle hose apparent mass compared with the commercially available common vehicle hose of matched group that nylon composite materials is made better with internal lining pipe, and vehicle hose can effectively prevent deformation in use, improve the service life of vehicle hose, reduce replacement frequency, save maintenance cost.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Claims (8)
1. a vehicle hose, including being the crust that hollow is arranged and the internal lining pipe being arranged on outer Intradermal, it is characterized in that, the first flat filament it is sequentially provided with between described internal lining pipe and crust, steel wire floor and the second flat filament, described first flat filament concentric is arranged on internal lining pipe outer wall and tight internal lining pipe in the shape of a spiral, described steel wire floor concentric is arranged on the first flat filament outer wall, described steel wire floor is made up of some steel bars being evenly distributed on the first flat filament outer wall, described second flat filament concentric setting and in the shape of a spiral tight steel wire floor, described second flat filament and crust inwall fit tightly；Wherein, described internal lining pipe is made up of nylon composite materials, described nylon composite materials is become to be grouped into by following parts by weight: nylon 1311:60-90 part, POM:5-25 part, carbon fiber: 10-30 part, silicone powder: 1-3 part, Polyurethane Thermoplastic Elastomer: 0.5-10 part, bulking agent: 6-9 part, antioxidant: 0.5-2 part.
2. a kind of vehicle hose according to claim 1, it is characterized in that, described internal lining pipe is made up of nylon composite materials, described nylon composite materials is become to be grouped into by following parts by weight: nylon 1311:80 part, POM:15 part, carbon fiber: 20 parts, silicone powder: 2 parts, Polyurethane Thermoplastic Elastomer: 4 parts, bulking agent: 7 parts, antioxidant: 1 part.
3. a kind of vehicle hose according to claim 1, it is characterised in that the preparation method of described internal lining pipe comprises the following steps:
S1, weigh raw material by constituent and the parts by weight thereof of the nylon composite materials described in claim 1, barrel in high-speed injection molding machine is heated to 200-300 DEG C simultaneously, then the raw material weighed it is sufficiently mixed uniformly and adds in barrel, being heated to molten condition；
S2, by the raw material of molten condition through hot flow path nozzle injection to heating after internal lining pipe mould in, through pressurize, cooling molding, die sinking prepare internal lining pipe.
4. a kind of vehicle hose according to claim 3, it is characterized in that, in the preparation method of described internal lining pipe, in step S2, hot flow path temperature is 230-280 DEG C, mold temperature is 50-80 DEG C, injection pressure is 10-15MPa, dwell pressure is 8-12MPa, and the dwell time is 6-12s, and cool time is 1-6min.
5. a kind of vehicle hose according to claim 1, it is characterised in that described first flat filament, the second flat filament all arrange in flat-shaped and be made up of stainless steel material.
6. a kind of vehicle hose according to claim 1, it is characterised in that the lateral wall of adjacent two sections of described first flat filament fits tightly.
7. a kind of vehicle hose according to claim 1, it is characterised in that all there is certain distance the lateral wall of adjacent two sections of described second flat filament.
8. a kind of vehicle hose according to claim 1, it is characterised in that adjacent two interradicular spaces of described steel bar are zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239219.7A CN104033474B (en) | 2014-05-30 | 2014-05-30 | A kind of vehicle hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239219.7A CN104033474B (en) | 2014-05-30 | 2014-05-30 | A kind of vehicle hose |
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| Publication Number | Publication Date |
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| CN104033474A CN104033474A (en) | 2014-09-10 |
| CN104033474B true CN104033474B (en) | 2016-07-06 |
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| CN201410239219.7A Active CN104033474B (en) | 2014-05-30 | 2014-05-30 | A kind of vehicle hose |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235164A (en) * | 2014-09-13 | 2014-12-24 | 荣成炭谷有限公司 | Resistance-free hose |
| CN105482443A (en) * | 2015-12-16 | 2016-04-13 | 安徽都邦电器有限公司 | Polyurethane modified high-performance nylon tubular product |
| CN109896135A (en) * | 2019-03-07 | 2019-06-18 | 扬州鸿和达塑胶日化有限公司 | A kind of washing product hose and its technological process of production |
| CN113898792A (en) * | 2021-11-02 | 2022-01-07 | 深圳市施威德自动化科技有限公司 | Double-layer conveying pipe compounded by two materials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2856418A1 (en) * | 1978-12-28 | 1980-07-03 | Grohe Kg Hans | Bowden wire for bathroom fittings - with polyamide coated stainless steel wire in laminated polyamide sleeve |
| JPH0710928B2 (en) * | 1988-11-14 | 1995-02-08 | 横浜ゴム株式会社 | Rubber composition and fiber composite and hose |
| DE19839104A1 (en) * | 1998-08-27 | 2000-03-02 | Gore W L & Ass Gmbh | Cable and cable sheath for Bowden cable systems |
| CN201027791Y (en) * | 2006-12-08 | 2008-02-27 | 钱高法 | Soft shaft of push/pull cable |
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