CN107947104A - Cable intermediate joint water repellent component - Google Patents
Cable intermediate joint water repellent component Download PDFInfo
- Publication number
- CN107947104A CN107947104A CN201810017873.1A CN201810017873A CN107947104A CN 107947104 A CN107947104 A CN 107947104A CN 201810017873 A CN201810017873 A CN 201810017873A CN 107947104 A CN107947104 A CN 107947104A
- Authority
- CN
- China
- Prior art keywords
- elastic component
- periphery
- cable
- water repellent
- transition joint
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
Abstract
The present invention discloses a kind of cable intermediate joint water repellent component, wherein, cable intermediate joint water repellent component includes cable connector, transition joint and collapsible tube, and the sealing of collapsible tube one end is shunk shrinks in transition joint periphery in cable connector periphery, other end sealing；Cable intermediate joint water repellent component further includes the first elastic component of two annulars, one first elastic component, which is tightly placed in the periphery of cable connector and is compressed in, to be shunk between inside pipe wall and cable connector periphery, and another first elastic component, which is tightly placed in the periphery of transition joint and is compressed in, to be shunk between inside pipe wall and transition joint periphery.First elastic component of cable intermediate joint water repellent component of the present invention is fitted closely with collapsible tube internal face, cable connector outer circumferential surface and transition joint outer circumferential surface all the time, thus the insulation performance that cable connector is connected with transition joint is high.
Description
Technical field
The present invention relates to power cable connector field, more particularly to a kind of cable intermediate joint water repellent component.
Background technology
In cable run, the connection of two sections of power cables can use transition joint, and realize junction using collapsible tube
Insulating protection.During connection, collapsible tube can be set on transition joint or cable in advance, treat that transition joint connects with cable connector
After connecing, then collapsible tube is moved to junction, and collapsible tube is shunk with cable and transition joint respectively and is fixed.As it can be seen that cable
The insulation being connected with transition joint is depended between collapsible tube and cable, and the sealing between collapsible tube and transition joint.
In practical application, after cable run application of load, certain temperature (about 40-90 degrees Celsius) can be produced, and temperature can be with
Load current changes and changes.Because collapsible tube and cable material or transition joint material thermal coefficient of expansion are inconsistent, cause heat expansion
Deformation between shrinkage after-contraction pipe and cable or transition joint differs, in the course of time, collapsible tube and cable or transition joint it
Between gap occurs so that cause moisture wear gap entrance, make cable be connected with transition joint insulate reduction.In this way, often lead
When causing follow-up maintenance, cable run insulation pressure test can't pass and do over again, and consume huge manpower, financial resources, material resources.
The content of the invention
The main object of the present invention is to propose a kind of cable intermediate joint water repellent component, it is intended to solves the connection of power cable
In, easily occur gap between collapsible tube and cable or transition joint, the technical problem for causing cable run insulating properties to reduce.
To achieve the above object, cable intermediate joint water repellent component proposed by the present invention, including cable connector, transition joint
And collapsible tube, collapsible tube one end sealing is shunk shrinks in described indirectly in cable connector periphery, other end sealing
Head periphery, the cable intermediate joint water repellent component further include the first elastic component of two annulars, and first elastic component is fixed
In the periphery of the cable connector and it is compressed between the contraction inside pipe wall and the cable connector periphery, another described first
Elastic component is tightly placed in the periphery of the transition joint and is compressed between the contraction inside pipe wall and the transition joint periphery.
Preferably, the peripheral mating surface with corresponding first elastic component of the cable connector is rough surface, and described
Peripheral transition joint with corresponding another first elastic component mating surface is rough surface.
Preferably, first elastic component is shrinkage ring or falope ring.
Preferably, the outer circumferential surface that the cable connector and transition joint are bonded with the collapsible tube is shiny surface.
Preferably, flexible sheath is further included, one end of the flexible sheath is tightly placed in the periphery of the cable connector, another
End is tightly placed in the periphery of the transition joint, and the collapsible tube shrinks the periphery for being socketed on the flexible sheath；One described first
For elastic component between the flexible sheath inner wall and the cable connector periphery, another first elastic component is located at the bullet
Between property jacket inner wall and the transition joint periphery.
Preferably, the second elastic components of two annulars are further included, two second elastic components are fixed to be located at the collapsible tube
Periphery, second elastic component are located at the close side for shrinking pipe port of first elastic component.
Preferably, second elastic component is shrinkage ring or falope ring.
Preferably, the 3rd elastic component of two annulars is further included, the 3rd elastic component corresponds to the position of first elastic component
Put and fixed connect collapsible tube periphery.
Preferably, the 3rd elastic component is shrinkage ring or falope ring.
Preferably, the collapsible tube is heat-shrink tube.
Cable intermediate joint water repellent component of the present invention passes through in collapsible tube and cable connector and collapsible tube and transition joint
Between respectively set a first annular elastic component, and cause the first elastic component precommpression fix.In this way, in collapsible tube and cable
When connector or inconsistent transition joint deflection, the elastic deformation amount of the first elastic component can compensate；So as to eliminate first
Between elastic component and collapsible tube, issuable gap between the first elastic component and cable connector, transition joint so that water and tide
Gas is difficult to enter, and sealing effect is more preferable, and then ensure that the insulating properties that cable connector is connected with transition joint.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of one embodiment of cable intermediate joint water repellent component of the present invention；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 1；
Fig. 4 is the structure diagram of the another embodiment of cable intermediate joint water repellent component of the present invention；
Drawing reference numeral explanation：
| Label | Title | Label | Title | Label | Noun |
| 1 | Cable connector | 10 | Rough surface | 5 | Flexible sheath |
| 10 | Rough surface | 3 | Collapsible tube | 6 | Second elastic component |
| 2 | Transition joint | 4 | First elastic component | 7 | 3rd elastic component |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
The present invention proposes a kind of cable intermediate joint water repellent component.
In embodiments of the present invention, as shown in Figure 1 to Figure 3, the cable intermediate joint water repellent component, including cable connector 1,
Transition joint 2 and collapsible tube 3, the sealing of 3 one end of collapsible tube is shunk shrinks in indirectly in the periphery of cable connector 1, other end sealing
First 2 periphery, cable intermediate joint water repellent component further include the first elastic component 4 of two annulars, and one first elastic component 4 is tightly placed in cable
The periphery of connector 1 is simultaneously compressed between 1 periphery of 3 inner wall of collapsible tube and cable connector, and another first elastic component 4 is indirect in being tightly placed in
First 2 periphery is simultaneously compressed between 2 periphery of 3 inner wall of collapsible tube and transition joint.
In the present embodiment, it is cable end piece that cable connector 1 is intelligible, i.e., the part being attached to cable, cable
It can also include the protective metal shell of parcel conductor, and be wrapped in the insulating sheath of protective metal shell outer circumferential surface.Preferably, insulating
It can also include shielded layer between sheath and protective metal shell.Transition joint 2 it also will be understood that can include protective metal shell, preferably
Ground is copper shell.Preferably, in connection, conductor is connected with transition joint 2, by the protective metal shell of cable and transition joint 2
Copper shell is overlapped.2 other end of transition joint can be attached with another cable, so that two cables be electrically connected.Receive
The draw 3 is used to carry out external insulation to the protective metal shell of cable and the interface of 2 bronze medal shell of transition joint, it is to be understood that shrinks
Pipe 3 can be heat-shrink tube or cold shrink tube etc., and one end is shunk during use shrinks in outside transition joint 2 in the periphery of cable connector 1, one end
Enclose, due to the characteristic of collapsible tube 3, collapsible tube 3 is tightly sleeved in cable connector 1 and the periphery of transition joint 2, collapsible tube 3 during contraction
Both ends seal, and centre forms annular seal space.
First elastic component 4 is separately positioned between collapsible tube 3 and cable connector 1, and collapsible tube 3 and transition joint 2 it
Between, it is possible to understand that be in annular seal space, and the annular seal space of more internal layer is then formed between two first elastic components 4.First elasticity
Part 4 is annular, since collapsible tube 3 and the outer circumferential surface of transition joint 2 and cable connector 1 are usually all ring surface, such as cylindrical surface,
Therefore it is bonded and is formed circumferential complete close with the outer circumferential surface of cable connector 1 and transition joint 2 using the first elastic component 4 of annular
Envelope.In this way, water and moisture possibly into path all seal, sealing effect is more preferable.It should be understood that the first elastic component 4 can
Common rubber material, shrinkage material or silica gel material are thought, as long as disclosure satisfy that certain aeroelastic requirements.
In use, first with the first elastic component 4 elasticity of itself, its is set fixed to be connected to cable connector 1 and transition joint 2
Periphery, then so that the first elastic component 4 is pressurized, produces elastic deformation.Work as temperature change, collapsible tube 3 and cable connector 1 or in
Between connector 2 correspond to the first elastic component 4 position between spacing be more than the first elastic component 4 thickness when, the bullet of the first elastic component 4
Property deflection can compensate the spacing be more than 4 thickness of the first elastic component part so that the first elastic component 4 all the time with collapsible tube 3
Internal face, 1 outer circumferential surface of cable connector and 2 outer circumferential surface of transition joint fit closely, so that water or moisture cannot enter, also would not
Reduce the insulation performance that cable connector is connected with 1 transition joint 2.
Further, it with the mating surface of corresponding first elastic component 4 is rough surface 10 that cable connector 1 is peripheral, and in indirectly
First 2 it is peripheral with corresponding another first elastic component, 4 mating surface be rough surface 10.
In the present embodiment, it is possible to understand that, sand paper can be used to match somebody with somebody the first elastic component 4 and cable connector 1 are peripheral
The mating surface of conjunction face and the first elastic component 4 and the periphery of transition joint 2 carries out polishing coarse or the mating surface is carried out at sandblasting
Reason causes it with certain roughness, or can also use anticorrosion with painting erosion paint so that it is with certain roughness.Should
Mating surface can make it that the first elastic component 4 and cable connector 1 and the peripheral stickiness of transition joint 2 are more preferable for rough surface, obstruct
Aqueous vapor and moisture performance are more excellent, so that sealing performance is more preferable,.
Further, the outer circumferential surface that cable connector 1 and transition joint 2 are bonded with collapsible tube 3 is shiny surface.In the present embodiment
In, the outer circumferential surface that cable connector 1 and transition joint 2 are bonded with collapsible tube 3 can cause collapsible tube 3 and cable connector for shiny surface
1 and transition joint 2 outer circumferential surface fitting it is even closer, coating performance is more preferable, avoid water and moisture from rough surface into
Enter, so that sealing effect is more preferable.
Further, please with reference to Fig. 4, cable intermediate joint water repellent component further includes flexible sheath 5, flexible sheath 5
One end be tightly placed in the periphery of cable connector 1, the other end is tightly placed in the periphery of transition joint 2, and collapsible tube 3, which is shunk, is socketed on elasticity
The periphery of sheath 5；One first elastic component 4 is located between 1 periphery of 5 inner wall of flexible sheath and cable connector, another first elastic component 4
Between 2 periphery of 5 inner wall of flexible sheath and transition joint.
In the present embodiment, it is arranged the periphery of whole cable connector 1 and transition joint 2 using elastic sheath 5, first
Elastic component 4 is located at collapsible tube 3 and the periphery of cable connector 1 and transition joint 2, in this way, to cable connector 1 and transition joint 2
Junction carries out whole sealings, and when being deformed difference, compensation is more abundant, so that sealing performance is more preferable.
Further, cable intermediate joint water repellent component further includes the second elastic component 6 of two annulars, two second elastic components 6
The fixed periphery for being located at collapsible tube 3, the second elastic component 6 are located at the side of 3 port of close collapsible tube of the first elastic component 4.
In the present embodiment, it is possible to understand that, the second elastic component 6 can be common rubber material, shrinkage material or
Silica gel material, as long as disclosure satisfy that certain aeroelastic requirements.Second elastic component 6 fixed can be connected to by the elastic force of itself
At the two-port of collapsible tube 3, interfacial pressure is produced to the port of collapsible tube 3, so that collapsible tube 3 also has with cable connector 1
The periphery of transition joint 2 fits closely, and forms more one layer of annular seal space, sealing effect is more preferably.Second elastic component 6 is annular,
And collapsible tube 3 and the outer circumferential surface of transition joint 2 and cable connector 1 are usually all ring surface, therefore use the second elasticity of annular
Binding face at part 6 and 2 port of cable connector 1 and transition joint is ring surface, in this way, water and moisture possibly into port it is complete
Portion seals, and sealing effect is more preferable, and the second annular elastic component 6 produces uniform boundary to cable connector 1 and 2 outer circumferential surface of transition joint
Surface pressure, so that stability is also more preferably.
Further, the 3rd elastic component 7 of two annulars is further included, the position that the 3rd elastic component 7 corresponds to the first elastic component 4 is tight
It is socketed the periphery of collapsible tube 3.
In the present embodiment the 3rd elastic component 7, the 3rd bullet are arranged in the position of corresponding first elastic component 4 in the periphery of collapsible tube 3
Property part 7 compaction forces can be produced to collapsible tube 3 by the elasticity of itself so that the deflection bigger of the first elastic component 4, into
And the effect for being bonded and compensating gap is more preferable, moreover, it is long in 4 usage time of the first elastic component, it is right in the case that pressure reduces
First elastic component 4 produces enough pressure, so as to further extend the service life of whole component.It should be understood that the 3rd bullet
Property part 7 can be common rubber material, shrinkage material or silica gel material, as long as disclosure satisfy that certain aeroelastic requirements i.e.
Can.3rd elastic component 7 is annular, since 3 internal face of collapsible tube and the outer circumferential surface of transition joint 2 and cable connector 1 are usually all
Ring surface, therefore the use of the binding face of the 3rd elastic component 7 and 2 outer circumferential surface of cable connector 1 and transition joint of annular is ring surface,
Uniform interfacial pressure is produced to cable connector 1 and 2 outer circumferential surface of transition joint so that stability higher.
Further, the first elastic component 4, the second elastic component 6, the 3rd elastic component 7 are shrinkage ring or falope ring.In this implementation
In example, the mounting process of cold shrink tube and silicone tube is simple, without being heated or other auxiliary processes or instrument, and shrinkage
The stability of pipe and silicone tube is high, has excellent ageing resistance and resistance to brittleness.
Further, collapsible tube 3 is heat-shrink tube.In the present embodiment, during actual use, thermal environment is relatively conventional；
And heat-shrink tube has the performance such as good pliability and insulation corrosion protection, wear-resisting, and there is low melting point, waterproof sealing and height glue
The advantages that connecing property.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of cable intermediate joint water repellent component, including cable connector, transition joint and collapsible tube, described collapsible tube one end is close
Envelope is shunk shrinks in transition joint periphery in cable connector periphery, other end sealing, it is characterised in that the cable
Transition joint water repellent component further includes the first elastic component of two annulars, and first elastic component is tightly placed in the cable connector
Periphery is simultaneously compressed between the contraction inside pipe wall and the cable connector periphery, and another first elastic component is tightly placed in described
The periphery of transition joint is simultaneously compressed between the contraction inside pipe wall and the transition joint periphery.
2. cable intermediate joint water repellent component as claimed in claim 1, it is characterised in that cable connector periphery with it is corresponding
The mating surface of first elastic component be rough surface, and the transition joint is peripheral with corresponding another first elastic component
Mating surface is rough surface.
3. cable intermediate joint water repellent component as claimed in claim 1 or 2, it is characterised in that first elastic component is cold
Contracting ring or falope ring.
4. cable intermediate joint water repellent component as claimed in claim 3, it is characterised in that the cable connector and transition joint
The outer circumferential surface being bonded with the collapsible tube is shiny surface.
5. cable intermediate joint water repellent component as claimed in claim 1, it is characterised in that
Flexible sheath is further included, one end of the flexible sheath is tightly placed in the periphery of the cable connector, and the other end is tightly placed in institute
The periphery of transition joint is stated, the collapsible tube shrinks the periphery for being socketed on the flexible sheath；One first elastic component is located at
Between the flexible sheath inner wall and the cable connector periphery, another first elastic component is located at the flexible sheath inner wall
Between the transition joint periphery.
6. cable intermediate joint water repellent component as claimed in claim 1, it is characterised in that further include the second elasticity of two annulars
Part, the two fixed peripheries for being located at the collapsible tube of second elastic component, second elastic component are located at first elastic component
It is close it is described shrink pipe port side.
7. cable intermediate joint water repellent component as claimed in claim 6, it is characterised in that second elastic component is shrinkage ring
Or falope ring.
8. the cable intermediate joint water repellent component as described in claim 1,6 or 7, it is characterised in that further include the of two annulars
Three elastic components, position that the 3rd elastic component corresponds to first elastic component is fixed to connect the collapsible tube periphery.
9. cable intermediate joint water repellent component as claimed in claim 8, it is characterised in that the 3rd elastic component is shrinkage ring
Or falope ring.
10. cable intermediate joint water repellent component as claimed in claim 1, it is characterised in that the collapsible tube is heat-shrink tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017873.1A CN107947104B (en) | 2018-01-08 | 2018-01-08 | Waterproof assembly of cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017873.1A CN107947104B (en) | 2018-01-08 | 2018-01-08 | Waterproof assembly of cable intermediate joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107947104A true CN107947104A (en) | 2018-04-20 |
| CN107947104B CN107947104B (en) | 2022-05-10 |
Family
ID=61937536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017873.1A Active CN107947104B (en) | 2018-01-08 | 2018-01-08 | Waterproof assembly of cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107947104B (en) |
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| Publication number | Publication date |
|---|---|
| CN107947104B (en) | 2022-05-10 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210618 Address after: 518000 Wall Industrial Park, Lanjing North Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518000 Vol Industrial Park, Lanjingbei Road, Pingshan New Area, Shenzhen City, Guangdong Province Applicant before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Applicant before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Applicant before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Applicant before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Applicant before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. |
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Effective date of registration: 20230807 Address after: 518000 Wall Industrial Park, Lanjing North Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518000 Wall Industrial Park, Lanjing North Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. |
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