CN209344735U - A kind of corrugated bushing for buried cable - Google Patents
A kind of corrugated bushing for buried cable Download PDFInfo
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- CN209344735U CN209344735U CN201920135139.5U CN201920135139U CN209344735U CN 209344735 U CN209344735 U CN 209344735U CN 201920135139 U CN201920135139 U CN 201920135139U CN 209344735 U CN209344735 U CN 209344735U
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- described sleeve
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Abstract
The utility model discloses a kind of corrugated bushings for buried cable, including casing main body, corrosion-resistant coating, inner liner metal layer and electro-insulating rubber layer, the two sides of described sleeve pipe main body are equipped with connecting tube, the surface of described sleeve pipe main body is equipped with corrosion-resistant coating, the inside of described sleeve pipe main body is equipped with moisture-proof aluminium film, the inside of described sleeve pipe main body is fixedly connected with inner liner metal layer, the inner liner metal layer includes flexible wire and glass fiber, and the inside of the inner liner metal layer is fixedly connected with electro-insulating rubber layer.A kind of corrugated bushing for buried cable, by the moisture-proof aluminium film for being equipped with corrosion-resistant coating connecting inner in the outside of casing main body, stronger Corrosion Protection and humidity resistance can be provided simultaneously in the case where being chronically at underground, so that the corrugated bushing will not be corroded when underground activities by some acidic materials, simultaneously because the moisture-proof aluminium film being equipped with also assures the drying property of inside cable, it is compact-sized, it is functional stronger.
Description
Technical field
The utility model relates to corrugated bushing technical field, specially a kind of corrugated bushing for buried cable.
Background technique
Bellows mainly includes metal bellows, expansion bellow, corrugated tube, diaphragm and diaphragm capsule and metal hose etc.,
Metal bellows is mainly used in the effects of compensation pipes thermal deformation, damping, absorption line sedimentation and deformation, is widely used in stone
The industries such as change, instrument, space flight, chemical industry, electric power, cement, metallurgy, and the other materials such as plastics bellows is in medium conveying, electric power
There is irreplaceable role in the fields such as threading, lathe, household electrical appliances.
Now most of buried cable corrugated bushing on the market it is long-term it is pre-buried after all can by different degrees of corrosion, from
And make bellows surface damaged, internal structure sheaf and cable are leaked out, there is some potential safety problems, and corrugated bushing is on ground
Moist influence will be also suffered from when lower, so that casing softens, or even destroys the drying property of cable, while most radiation fins
For pipe during installation, intensity is lower, and anti-pull ability is poor, it is easy to impaired.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of corrugated bushing for buried cable, solves
Most of existing buried cable corrugated bushing on the market it is long-term it is pre-buried after all can be by different degrees of corrosion, to make
Bellows surface breakage is obtained, internal structure sheaf and cable are leaked out, there is some potential safety problems, and corrugated bushing is at underground
Moist influence is also suffered from, so that casing softens, or even destroys the drying property of cable, while most corrugated bushings exists
During installation, intensity is lower, and anti-pull ability is poor, it is easy to impaired problem.
In order to achieve the above object, the utility model is achieved by the following technical programs: one kind being used for buried cable
Corrugated bushing, including casing main body, corrosion-resistant coating, inner liner metal layer and electro-insulating rubber layer, the two sides of described sleeve pipe main body
Equipped with connecting tube, the surface of described sleeve pipe main body is equipped with corrosion-resistant coating, and the inside of described sleeve pipe main body is equipped with moisture-proof aluminium film, described
The inside of casing main body is fixedly connected with inner liner metal layer, and the inner liner metal layer includes flexible wire and glass fiber, institute
The inside for stating inner liner metal layer is fixedly connected with electro-insulating rubber layer.
Preferably, the two sides of described sleeve pipe main body are fixedly connected with connecting tube, and the surface of described sleeve pipe main body passes through smearing
Mode is coated with corrosion-resistant coating, and the corrosion-resistant coating is made of tetrafluoroethene material.
Preferably, the inside of described sleeve pipe main body connects moisture-proof aluminium film by way of bonding, the moisture-proof aluminium film it is interior
Portion connects inner liner metal layer by way of pressing.
Preferably, the flexible wire is by working out, and the outside of the flexible wire is by way of pressing
Glass fiber is connected, the glass fiber is by working out.
Preferably, the inside of the inner liner metal layer connects electro-insulating rubber layer, the electro-insulating rubber by way of pressing
Layer is made of natural rubber material.
The utility model provides a kind of corrugated bushing for buried cable.Have it is following the utility model has the advantages that
(1), corrugated bushing for being used for buried cable, by being equipped in corrosion-resistant coating combination in the outside of casing main body
The moisture-proof aluminium film in portion can be provided simultaneously with stronger Corrosion Protection and humidity resistance in the case where being chronically at underground, make
Obtaining the corrugated bushing will not be corroded when underground activities by some acidic materials, simultaneously because the moisture-proof aluminium film being equipped with is also
It ensure that the drying property of inside cable, it is compact-sized, it is functional stronger.
(2), corrugated bushing for being used for buried cable, by being equipped with inner liner metal layer in the inside of corrugated bushing and tying
Electro-insulating rubber layer is closed, the ductility and stretch-resistance of double glazing fiber filament and flexible wire is utilized, improves bellows
Integral strength, can also bear injury-free compared with pullling for great dynamics, while electro-insulating rubber layer is provided to internal cable
Preferable protective effect, prevent cable by external world to which there is a situation where leaking electricity, practicability is stronger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model entirety；
Fig. 2 is the casing main body structural schematic diagram of the utility model；
Fig. 3 is the inner liner metal schematic diagram of a layer structure of the utility model；
In figure, casing main body -1, connecting tube -2, corrosion-resistant coating -3, tetrafluoroethene -4, moisture-proof aluminium film -5, inner liner metal layer -
6, flexible wire -7, glass fiber -8, electro-insulating rubber layer -9, natural rubber -10.
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.
Fig. 1-3 is please referred to, the utility model embodiment provides a kind of technical solution: a kind of ripple for buried cable
Casing, including casing main body 1, corrosion-resistant coating 3, inner liner metal layer 6 and electro-insulating rubber layer 9, the two sides of described sleeve pipe main body 1 are set
There is connecting tube 2, the surface of described sleeve pipe main body 1 is equipped with corrosion-resistant coating 3, and the inside of described sleeve pipe main body 1 is equipped with moisture-proof aluminium film 5,
The inside of described sleeve pipe main body 1 is fixedly connected with inner liner metal layer 6, and the inner liner metal layer 6 includes flexible wire 7 and glass fibers
Silk 8 is tieed up, the inside of the inner liner metal layer 6 is fixedly connected with electro-insulating rubber layer 9.
The two sides of described sleeve pipe main body 1 are fixedly connected with connecting tube 2, and the surface of described sleeve pipe main body 1 is by way of smearing
It is coated with corrosion-resistant coating 3, the corrosion-resistant coating 3 is made of 4 material of tetrafluoroethene, can be in the wave by the corrosion-resistant coating 3 being equipped with
Line casing enhances its Corrosion Protection when being embedded in underground, so that it will not be corroded by some acidic materials in ground end, mention significantly
Service life is risen.
The inside of described sleeve pipe main body 1 connects moisture-proof aluminium film 5 by way of bonding, and the inside of the moisture-proof aluminium film 5 is logical
The mode for crossing pressing connects inner liner metal layer 6, and by the moisture-proof aluminium film 5 being equipped with, the moisture isolation inside soil exists well
Jacket exterior ensure that the drying property of cable, more practical.
For the flexible wire 7 by working out, the outside of the flexible wire 7 connects glass by way of pressing
By working out, by the inner liner metal layer 6 being equipped with, double glazing fibre is utilized in glass fiber filament 8, the glass fiber 8
The ductility and stretch-resistance for tieing up silk 8 and flexible wire 7, improve the integral strength of bellows, can also bear more energetically
Degree pullling and it is injury-free.
The inside of the inner liner metal layer 6 connects electro-insulating rubber layer 9 by way of pressing, the electro-insulating rubber layer 9 by
10 material of natural rubber is made, and by the electro-insulating rubber layer 9 being equipped with, provides preferable protective effect for cable.
Working principle: when the corrugated bushing is embedded in underground, by the corrosion-resistant coating 3 being equipped with outside casing main body 1,
The erosion that can effectively prevent some acidic materials inside ground end, preferably protects the ontology of corrugated bushing, while by
Whole moisture resistance is preferably improved in the moisture-proof aluminium film 5 being equipped with inside casing main body 1, even if being embedded in underground also not for a long time
The situation that will appear corrugated bushing inside cable humidity, can keep drying property, then when burying corrugated bushing, pass through for a long time
The inner liner metal layer 6 being equipped with inside it, using the toughness of double glazing fiber filament 8 and the stretch-resistance of flexible wire 7,
The casing can be made to have good ductility, damage will not be easily pullled, be finally equipped with inside casing main body 1
Electro-insulating rubber layer 9 plays an important protective effect using the insulating properties of natural rubber 10.
The casing main body 1 of the utility model, connecting tube 2, corrosion-resistant coating 3, tetrafluoroethene 4, moisture-proof aluminium film 5, inner liner metal
Layer 6, flexible wire 7, glass fiber 8, electro-insulating rubber layer 9, natural rubber 10, component is universal standard part or this field
The component that technical staff knows, structure and principle are all that this technology personnel can be learnt by technical manual or by conventional real
Proved recipe method knows that the utility model solves the problems, such as to be most of existing buried cable corrugated bushing on the market long-term pre-buried
Afterwards all so that bellows surface is damaged, internal structure sheaf and cable can be leaked out, has one by different degrees of corrosion
Fixed security risk, and corrugated bushing also suffers from moist influence at underground, so that casing softens, or even destroys electricity
The drying property of cable, while most corrugated bushings, during installation, intensity is lower, and anti-pull ability is poor, it is easy to
The problems such as impaired, the utility model are combined with each other by above-mentioned component, by being equipped with corrosion-resistant coating in the outside of casing main body
The moisture-proof aluminium film of connecting inner can be provided simultaneously with stronger Corrosion Protection and moisture resistance in the case where being chronically at underground
Can, so that the corrugated bushing will not be corroded when underground activities by some acidic materials, simultaneously because what is be equipped with is moisture-proof
Aluminium film also assures the drying property of inside cable, and by being equipped with inner liner metal layer in the inside of corrugated bushing and combining insulation rubber
The ductility and stretch-resistance of double glazing fiber filament and flexible wire is utilized in glue-line, improves the whole strong of bellows
Degree, can also bear injury-free compared with pullling for great dynamics, while electro-insulating rubber layer provides preferably to internal cable
Protective effect prevents cable to there is a situation where leaking electricity, practicability is stronger by external world.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of corrugated bushing for buried cable, it is characterised in that: including casing main body (1), corrosion-resistant coating (3), interior
The two sides of lining metal layer (6) and electro-insulating rubber layer (9), described sleeve pipe main body (1) are equipped with connecting tube (2), described sleeve pipe main body
(1) surface is equipped with corrosion-resistant coating (3), and the inside of described sleeve pipe main body (1) is equipped with moisture-proof aluminium film (5), described sleeve pipe main body (1)
Inside be fixedly connected inner liner metal layer (6), the inner liner metal layer (6) includes flexible wire (7) and glass fiber
(8), the inside of the inner liner metal layer (6) is fixedly connected with electro-insulating rubber layer (9).
2. a kind of corrugated bushing for buried cable according to claim 1, it is characterised in that: described sleeve pipe main body
(1) two sides are fixedly connected connecting tube (2), and the surface of described sleeve pipe main body (1) is coated with corrosion-resistant coating by way of smearing
(3), the corrosion-resistant coating (3) is made of tetrafluoroethene (4) material.
3. a kind of corrugated bushing for buried cable according to claim 1, it is characterised in that: described sleeve pipe main body
(1) inside is connected moisture-proof aluminium film (5) by way of bonding, and the inside of the moisture-proof aluminium film (5) is connected by way of pressing
Connect inner liner metal layer (6).
4. a kind of corrugated bushing for buried cable according to claim 1, it is characterised in that: the flexible metal
By working out, the outside of the flexible wire (7) is connected glass fiber (8) silk (7) by way of pressing, described
Glass fiber (8) is by working out.
5. a kind of corrugated bushing for buried cable according to claim 1, it is characterised in that: the inner liner metal
The inside of layer (6) is connected electro-insulating rubber layer (9) by way of pressing, and the electro-insulating rubber layer (9) is by natural rubber (10) material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920135139.5U CN209344735U (en) | 2019-01-26 | 2019-01-26 | A kind of corrugated bushing for buried cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920135139.5U CN209344735U (en) | 2019-01-26 | 2019-01-26 | A kind of corrugated bushing for buried cable |
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| CN209344735U true CN209344735U (en) | 2019-09-03 |
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| CN201920135139.5U Active CN209344735U (en) | 2019-01-26 | 2019-01-26 | A kind of corrugated bushing for buried cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993167A (en) * | 2019-12-02 | 2020-04-10 | 广州亚太线缆科技有限公司 | Flexible cable and manufacturing method thereof |
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2019
- 2019-01-26 CN CN201920135139.5U patent/CN209344735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993167A (en) * | 2019-12-02 | 2020-04-10 | 广州亚太线缆科技有限公司 | Flexible cable and manufacturing method thereof |
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