CN209671791U - A kind of antifouling hose assembly - Google Patents
A kind of antifouling hose assembly Download PDFInfo
- Publication number
- CN209671791U CN209671791U CN201920086158.3U CN201920086158U CN209671791U CN 209671791 U CN209671791 U CN 209671791U CN 201920086158 U CN201920086158 U CN 201920086158U CN 209671791 U CN209671791 U CN 209671791U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- hose
- connector
- sawtooth
- antifouling
- 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
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Abstract
The utility model discloses a kind of antifouling hose assemblies, including joint body, joint body to include；Hydraulic fluid port interconnecting piece, shoulder, screw-threaded coupling portion, the screw-threaded coupling portion mating connection stop nut and locking nut, the joint body is connect by locking nut with cutting ferrule, the cutting ferrule is also connected with sebific duct, the junction of cutting ferrule and sebific duct is additionally provided with sleeve, and the stop nut is arranged far from the side of cutting ferrule.The antifouling hose assembly of the utility model passes through setting stop nut, a normal pressure not changed with external force is generated between locking nut, a large amount of uses show, stop nut is by repeatedly fastening repeatedly and dismantling, its coupling mechanism force does not reduce still, it is able to maintain original locking effect, while the utility model sealing structure performance is good, can effectively avoid the problem that connector may cause attaching nut's loosening in frequency height and the big operating condition of amplitude and hydraulic oil is caused to be revealed.
Description
Technical field
The utility model relates to technical field of hydraulic pressure, specially a kind of antifouling hose assembly.
Background technique
With the continuous development of science and technology, steel wire reinforcement high-pressure rubber pipe using more and more extensive, high-pressure rubber pipe quality
It is increased substantially, and the connectivity problem of high-pressure rubber pipe assembly becomes to become increasingly conspicuous.The quality of high-pressure rubber pipe assembly quality
The quality of high-pressure rubber pipe will be directly affected, influences its service life, or even generate safety problem.So, it is necessary to reinforce high pressure
The theoretical research of hose assembly provides theoretical foundation to improve assembly technique, improves high-pressure rubber pipe assembly quality, enhance high-pressure glue
Its application field is widened in the safety of pipe.The structure of high-pressure rubber pipe structure type high-pressure rubber pipe is shown in that figure includes inner glue layer, enhancement layer
With 3 major parts of outer glue-line, this three parts all has a major impact the service performance of sebific duct and service life, they ensure that high pressure
Intensity, leakproofness and the stability of sebific duct.Inner glue layer is in sebific duct innermost layer, ensure that the leakproofness of high-pressure rubber pipe, and protects
Enhancement layer (steel wire) is carried from the etch of working fluid.Enhancement layer is made of braided steel wire (or winding), is located inside and outside glue-line
Between, guarantee the strength stability of high-pressure rubber pipe;Outer glue-line protects high-pressure rubber pipe not influenced by external factor, the intensity of sebific duct by
The bonding strength of quantity, the characteristic of steel wire and the rubber layer of steel wire braid (or winding layer) and steel wire floor determines.
High-pressure rubber pipe assembly slightly has in the environment corroded in mud etc. in application, since corrosive liquid passes through sleeve at leisure
Tail portion enters, the sebific duct of outside because there is the protection of sebific duct outer glue-line, and sleeve inner because wire spirally-wound hose when withholding quilt
It peels off outer glue and exposes steel wire, steel wire encounters corrosive liquids and is damaged, and will result in hose assembly failure for a long time.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of antifouling hose assembly, solves high-pressure rubber pipe assembly
When being applied to corrosive environment, the problem of existing steel wire may be corroded, hose assembly is caused to fail.
(2) technical solution
To achieve the above objectives, the technical scheme adopted by the utility model is that:
A kind of antifouling hose assembly, including the first connector, the second connector, first sleeve, second sleeve, hose, spring are protected
Second joint structure of sheath, first connector is identical, all includes the first card slot, the second card slot, the first sleeve
Second sleeve structure it is identical, all include dogging shoulder, lock shoulder, sleeve sawtooth, seal groove, the end of sleeve is arranged in the dogging shoulder
Face, the dogging shoulder is corresponding with first groove position, and the lock shoulder is corresponding with second card slot, described
Hose be arranged in the gap of connector and sleeve cooperation, the sleeve sawtooth compresses hose, also sets up in sleeve interior surface
There is seal groove, the seal groove is arranged far from one end of dogging shoulder, is provided with sealing ring in the seal groove.
Preferably, seal groove described in each sleeve is two, and the sealing ring to match is also configured as two.
First connector is provided with broached-tooth design, first connector and hose on one end outer surface of hose
Mating part magnitude of interference is 0.5-1mm.Certain above structure also can be achieved on application in the second connector.
The broached-tooth design, serration depth are the 12%~14% of hose thickness, and the width between two sawtooth is 7~9mm, saw
Tooth number is greater than or equal to 4.The technical characteristic of the above broached-tooth design is all suitable in the first connector and the second connector.
The sleeve sawtooth specifically includes short side and bevel edge, and sawtooth short side is perpendicular to the axis, the angle of bevel edge and axis
It is 25 ° -45 °, and between each sawtooth is a rectangular channel, the top of sawtooth is the plane of 1-2mm wide.With upper bush sawtooth
The technical characteristic of structure is all applicable in first sleeve and second sleeve
The first sleeve generates expendable plastic deformation after crimping equipment is withheld, and makes the first connector, first
Together with sleeve is firmly combined with hose.
It specifically withholds process: installing additional in the tail portion of sleeve and tail portion is implemented second again after sealing ring assembly is withheld
It withholds, forms two seals in tail portion and guarantee that external corrosive liquid can not invade the steel wire floor of sleeve inner.
(3) beneficial effect
The utility model has the beneficial effects that:
1, the utility model hose assembly slightly has in the environment corroded in mud etc. in application, the sealing ring of sleeve is in tail portion
Sealing guarantees that external corrosive liquid can not invade the steel wire floor of sleeve inner.
2, rationally, reasonable laciniation is arranged in connector and hose matching part for connector and the design of hose magnitude of interference, connects
Head is connected firmly with hose, high pressure resistant.
3, sleeve sawtooth use special construction, after sleeve is withheld, antifouling hose assembly sawtooth directly and hose steel wire
Layer contact, hose at this moment due to withholding when the effect of radial compression force that generates, make the wall thickness of hose between sleeve and connector
It is compressed, then steel wire floor and inner glue layer are squeezed into waveform, into the serrate grooves of sleeve, so that hose coupling be made to obtain
Good anti-pull-out force.
Detailed description of the invention
Fig. 1 is the utility model hose assembly structural schematic diagram；
Fig. 2 is the utility model joint structure schematic diagram；
Fig. 3 is the utility model tube-in-tube structure schematic diagram；
Fig. 4 is the utility model sleeve, connector, sebific duct fit structure schematic diagram.
In figure: 1. first connectors, 2. second connectors, 3. first sleeves, 4. second sleeves, 5. hoses, 6. spring protecting jackets,
7. sealing ring, 101. first card slots, 102. second card slots, 301. dogging shoulders, 302. lock shoulders, 303. sleeve sawtooth, 304 seal grooves.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of antifouling hose assembly, including the first connector,
Second joint structure of the second connector, first sleeve, second sleeve, hose, spring protecting jacket, first connector is identical,
It all include the first card slot, the second sleeve structure of the second card slot, the first sleeve is identical, all includes dogging shoulder, lock shoulder, set
The end face of sleeve is arranged in barrel saw tooth, seal groove, the dogging shoulder, and the dogging shoulder is opposite with first groove position
It answers, the lock shoulder is corresponding with second card slot, and the hose is arranged in the gap of connector and sleeve cooperation, institute
The sleeve sawtooth stated compresses hose, is additionally provided with seal groove in sleeve interior surface, the seal groove is arranged far from dogging shoulder
One end is provided with sealing ring in the seal groove.
Preferably, seal groove described in each sleeve is two, and the sealing ring to match is also configured as two.
First connector is provided with broached-tooth design, first connector and hose on one end outer surface of hose
Mating part magnitude of interference is 0.5-1mm.Certain above structure also can be achieved on application in the second connector.
The broached-tooth design, serration depth are the 12%~14% of hose thickness, and the width between two sawtooth is 7~9mm, saw
Tooth number is greater than or equal to 4.The technical characteristic of the above broached-tooth design is all suitable in the first connector and the second connector.
The sleeve sawtooth specifically includes short side and bevel edge, and sawtooth short side is perpendicular to the axis, the angle of bevel edge and axis
It is 25 ° -45 °, and between each sawtooth is a rectangular channel, the top of sawtooth is the plane of 1-2mm wide.With upper bush sawtooth
The technical characteristic of structure is all applicable in first sleeve and second sleeve
The first sleeve generates expendable plastic deformation after crimping equipment is withheld, and makes the first connector, first
Together with sleeve is firmly combined with hose.
It specifically withholds process: installing additional in the tail portion of sleeve and tail portion is implemented second again after sealing ring assembly is withheld
It withholds, forms two seals in tail portion and guarantee that external corrosive liquid can not invade the steel wire floor of sleeve inner.
The utility model sealing structure performance is good, can effectively avoid hose assembly in a corrosive environment to steel wire
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of antifouling hose assembly, including the first connector (1), the second connector (2), first sleeve (3), second sleeve (4) are soft
It manages (5), spring protecting jacket (6), it is characterised in that: the second connector (2) structure of first connector (1) is identical, all includes
Second sleeve (4) structure of first card slot (101), the second card slot (102), the first sleeve (3) is identical, all includes card
The end face of sleeve is arranged in shoulder (301), lock shoulder (302), sleeve sawtooth (303), seal groove (304), the dogging shoulder (301),
The dogging shoulder (301) is corresponding with the first card slot (101) position, the lock shoulder (302) and second card
Slot (102) is corresponding, and the hose is arranged in the gap of connector and sleeve cooperation, and the sleeve sawtooth (303) compresses
Hose (5) is additionally provided with seal groove (304) in sleeve interior surface, and the seal groove (304) is arranged far from dogging shoulder (301)
One end, is provided with sealing ring (7) in the seal groove (304).
2. a kind of antifouling hose assembly according to claim 1, it is characterised in that: the seal groove in each sleeve
It (304) is two, the sealing ring to match (7) is also configured as two.
3. a kind of antifouling hose assembly according to claim 1, it is characterised in that: first connector (1) is close to soft
Broached-tooth design is provided on one end outer surface of pipe, first connector (1) and hose (5) mating part magnitude of interference are 0.5-
1mm。
4. a kind of antifouling hose assembly according to claim 3, it is characterised in that: the broached-tooth design, serration depth
It is the 12%~14% of hose thickness, the width between two sawtooth is 7~9mm, and sawtooth number is greater than or equal to 4.
5. a kind of antifouling hose assembly according to claim 1, it is characterised in that: the sleeve sawtooth (303) is specific
Including short side and bevel edge, sawtooth short side is perpendicular to the axis, and the angle of bevel edge and axis is 25 ° -45 °, and between each sawtooth
Top for a rectangular channel, sawtooth is the plane of 1-2mm wide.
6. a kind of antifouling hose assembly according to claim 4, it is characterised in that: the first sleeve (3) is through withholding
Equipment generates expendable plastic deformation after withholding, be firmly bonded to the first connector (1), first sleeve (3) and hose (5)
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920086158.3U CN209671791U (en) | 2019-01-18 | 2019-01-18 | A kind of antifouling hose assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920086158.3U CN209671791U (en) | 2019-01-18 | 2019-01-18 | A kind of antifouling hose assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671791U true CN209671791U (en) | 2019-11-22 |
Family
ID=68566183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920086158.3U Expired - Fee Related CN209671791U (en) | 2019-01-18 | 2019-01-18 | A kind of antifouling hose assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022799A (en) * | 2020-01-06 | 2020-04-17 | 上海未蓝工业技术有限公司 | Steel pipe snap ring joint |
-
2019
- 2019-01-18 CN CN201920086158.3U patent/CN209671791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022799A (en) * | 2020-01-06 | 2020-04-17 | 上海未蓝工业技术有限公司 | Steel pipe snap ring joint |
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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 |
Granted publication date: 20191122 Termination date: 20210118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |