CN110429553A - A kind of 10kV shrinkage cable indoor terminal - Google Patents
A kind of 10kV shrinkage cable indoor terminal Download PDFInfo
- Publication number
- CN110429553A CN110429553A CN201910564265.7A CN201910564265A CN110429553A CN 110429553 A CN110429553 A CN 110429553A CN 201910564265 A CN201910564265 A CN 201910564265A CN 110429553 A CN110429553 A CN 110429553A
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- CN
- China
- Prior art keywords
- shrinkage
- support tube
- sheath
- bulge loop
- indoor terminal
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- 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
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
- H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
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- Cable Accessories (AREA)
Abstract
The invention discloses a kind of 10KV shrinkage cable indoor terminals, including shrinkage sheath and support tube;Support tube is located inside shrinkage sheath;The both ends of shrinkage sheath are equipped with end cap, and end cap includes tegmental wall and capping, wherein tegmental wall protrudes into inside support tube, and capping covers the both ends of the surface of shrinkage sheath;It is equipped with bulge loop positioned at support tube both ends, and close to tegmental wall end position, the internal diameter of bulge loop is greater than the internal diameter at other positions of support tube;Annular groove is equipped on shrinkage sheath, and with bulge loop opposite position.The structure that the present invention matches by using the annular groove of support tube and shrinkage sheath with bulge loop, improves the sealing effect and its waterproof performance of the shrinkage sheath;By the end cap of setting, the structural stability of support tube is improved, increases product service life and structural soundness.
Description
Technical field
The present invention relates to field of cable technology, in particular to a kind of 10kV shrinkage cable indoor terminal.
Background technique
Power cable cold-shrink type terminal is collection waterproof, Stress Control, shields and electrically isolate from one, and has good electricity
Gas performance and mechanical performance, a kind of electric power apparatus that can be used for a long time under various severe environmental conditions.It is widely used in electricity
The every field such as power, petrochemical industry, metallurgy, railway port and building.It is the first and last end by being assembled to cable run, is risen
To the effect being connect with other electrical equipments.
But cold-shrinkable terminal is during use, needs to use support tube (2) and is supported for a long time to it, when
Between it is longer, support tube (2) can be allowed it to deform by lateral pressure, cause to become waste product;In addition, the both ends of cold-shrinkable terminal are opened
Mouth is under long-term tensional state, is easy to cause elasticity not enough leakproofness variation occur, extraneous steam is caused to enter, reduction
Its service life.
Therefore, how to provide one kind prevents from deforming, and the strong 10kV shrinkage cable indoor terminal of compactness is art technology
The problem of personnel's urgent need to resolve.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of 10kV shrinkage cable indoor terminal, to overcome existing phase
Above-mentioned technical problem present in the technology of pass, concrete scheme are as follows:
A kind of 10KV shrinkage cable indoor terminal, including shrinkage sheath and support tube;Support tube is located in shrinkage sheath
Portion;The both ends of shrinkage sheath are equipped with end cap, and end cap includes tegmental wall and capping, wherein tegmental wall protrudes into inside support tube, capping
Cover the both ends of the surface of shrinkage sheath;It is equipped with bulge loop positioned at support tube both ends, and close to tegmental wall end position, the internal diameter of bulge loop is big
Internal diameter in other positions of support tube;Annular groove is equipped on shrinkage sheath, and with bulge loop opposite position.
Preferably, annular groove and bulge loop are interference fitted, and bulge loop provides lasting support force for annular groove, after removing support tube,
Annular groove discharges screen resilience, provides the package power of cable, squeezes out remaining air in annular groove, helps to reinforce shrinkage sheath two
The leakproofness at end.
Preferably, shrinkage sheath includes straight sections and curve reinforcement part, and support tube tap is extracted out from straight sections one end.
Preferably, the capping positioned at the end cap of straight sections port is equipped with punched out, for being pierced by support tube tap.End
Lid plays the fixed function to support tube, prevents support tube end too short and shrinkage jacket shrinkage is caused to wrap support pipe end
Portion, and influence normally to install and use.
Support tube end is easily squeezed and deformed, and end cap can support positioning support pipe, so that its deformation is prevented, straight sections end
Punched out is added on the capping of mouth, disassembly of the construction personnel to support tube can be convenient for.
Preferably, the inner wall of curve reinforcement part is bored embedded with shimming, and shimming cone is umbrella-shaped structure, and umbrella opening end is towards straight tube
Portion.The shimming cone of umbrella-shaped structure can effectively reduce stress concentration phenomenon, so that field distribution is also more uniform, so as to
Guarantee that the cable of installation shrinkage sheath is capable of providing more preferably electric property.
Preferably, straight sections outer wall is uniformly distributed a full skirt, and the junction of full skirt two sides and straight sections is equipped with protection
Cover.It prevents from generating ponding in full skirt and straight sections junction by shield, avoids creepage phenomenon.
Preferably, the tegmental wall of end cap is cylindrical shape, provides uniform bearing stress.
Preferably, shrinkage sheath, which uses, has elasticity, heat resistance, the silastic material system of fire line and electric insulating quality
Make.
Compared with the prior art the present invention has the advantages that
The present disclosure provides a kind of 10KV shrinkage cable indoor terminals, and contractive effect is good, by using with bulge loop
Support tube and the structure that matches of annular groove of shrinkage sheath mentioned in the case where extraction support tube carries out insulating wrapped state to cable
The high sealing effect and its waterproof performance of the shrinkage sheath;By the end cap of setting, the structure of support tube is improved
Stability increases product service life and structural soundness;The present invention is suitable for each occasion, and effect is obvious, and structure is simple,
Usability is strong.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
The embodiment of the present invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 is a kind of 10KV shrinkage cable indoor terminal overall structure diagram of the present invention;
Fig. 2 is a kind of sectional structure chart of 10KV shrinkage cable indoor terminal of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Present embodiments provide a kind of 10KV shrinkage cable indoor terminal, a kind of 10KV shrinkage cable indoor terminal, including
Shrinkage sheath 1 and support tube 2;Support tube 2 is located inside shrinkage sheath 1;The both ends of shrinkage sheath 1 are equipped with end cap 3, end cap 3
Including tegmental wall 31 and capping 32, wherein tegmental wall 31 protrudes into inside support tube 2, and capping 32 covers the both ends of the surface of shrinkage sheath 1;Position
It is equipped with bulge loop 21 in 2 both ends of support tube, and close to 31 end position of tegmental wall, the internal diameter of bulge loop 21 is greater than other positions of support tube 2
Internal diameter;Annular groove 111 is equipped on shrinkage sheath 1, and with 21 opposite position of bulge loop.
Shrinkage sheath 1 includes straight sections 11 and curve reinforcement part 12, and support tube tap 22 is extracted out from 11 one end of straight sections.
Capping 32 positioned at the end cap 3 of 11 port of straight sections is equipped with punched out, for being pierced by support tube tap 22.
11 outer wall of straight sections is uniformly distributed a full skirt 112, and the junction of 112 two sides of full skirt and straight sections 11 is equipped with anti-
Shield 113.
In product in use, removing the end cap of curve reinforcement part 12 first, shrinkage cable indoor terminal is inserted in electricity to be installed
Cable.After reaching predetermined position, pull is located at the support tube tap 22 of straight sections 11, removes support tube 2.In draw process,
The end cap 3 of hand steered straight sections 11 prevents shrinkage sheath 1 from shifting, while can be avoided that construction personnel is hand steered to remove support tube
21 part of shrinkage sheath, to influence the free shrink of shrinkage sheath 1, and causes to shrink irregular technical problem, influences electricity
The electric property of cable.Pipe to be supported is removed to 11 end cap of straight sections, 3 position, removes end cap 3, and remaining support tube 2 is torn open
It removes.
After support tube 2 is removed completely, the annular groove 111 for being located at 1 both ends of shrinkage sheath is squeezed, by the sky of surplus in annular groove 111
Gas squeezes out, and is formed in 111 position of annular groove and shrinks negative pressure, increases the end part seal of shrinkage sheath 1.
In a specific embodiment, annular groove 111 and bulge loop 21 are interference fitted.
In a specific embodiment, the inner wall of curve reinforcement part 12 is umbrella embedded with shimming cone 121, shimming cone 121
Structure, and umbrella opening end is towards straight sections 11.
In a specific embodiment, the tegmental wall 31 of end cap 3 is cylindrical shape, can also be supporting bar structure.
A kind of 10KV shrinkage cable indoor terminal provided by the present invention is described in detail above, is answered herein
With a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention;At the same time, for those skilled in the art, according to the thought of the present invention,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of invention.
Herein, relational terms such as first and second and the like be used merely to by an entity or operation with
Another entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this
Actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include so that include a series of elements process, method, article or equipment not only include those elements, but also
Including other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Claims (7)
1. a kind of 10KV shrinkage cable indoor terminal, including shrinkage sheath (1) and support tube (2);The support tube (2) is located at institute
It is internal to state shrinkage sheath (1);It is characterized in that, the both ends of the shrinkage sheath (1) are equipped with end cap (3), end cap (3) packet
Include tegmental wall (31) and capping (32), wherein the tegmental wall (31) is protruded into inside the support tube (2), described in capping (32) covering
The both ends of the surface of shrinkage sheath (1);Bulge loop is equipped with positioned at the support tube (2) both ends, and close to the tegmental wall (31) end position
(21), the internal diameter of the bulge loop (21) is greater than the internal diameter at the support tube (2) other positions;On the shrinkage sheath (1),
And annular groove (111) are equipped with the bulge loop (21) opposite position.
2. a kind of 10KV shrinkage cable indoor terminal according to claim 1, which is characterized in that the annular groove (111) with
Bulge loop (21) interference fit.
3. a kind of 10KV shrinkage cable indoor terminal according to claim 1, which is characterized in that the shrinkage sheath (1)
Including straight sections (11) and curve reinforcement part (12), the support tube tap (22) is extracted out from the straight sections (11) one end.
4. a kind of 10KV shrinkage cable indoor terminal according to claim 3, which is characterized in that be located at the straight sections
(11) capping (32) of the end cap (3) of port is equipped with punched out, for being pierced by the support tube tap (22).
5. a kind of 10KV shrinkage cable indoor terminal according to claim 3, which is characterized in that the curve reinforcement part
(12) for inner wall embedded with shimming cone (121), shimming cone (121) is umbrella-shaped structure, and the umbrella opening end is towards the straight tube
Portion (11).
6. a kind of 10KV shrinkage cable indoor terminal according to claim 3, which is characterized in that the straight sections (11) are outside
Wall is uniformly distributed to be had full skirt (112), and the junction of full skirt (112) two sides and the straight sections (11) is equipped with shield
(113)。
7. a kind of 10KV shrinkage cable indoor terminal according to claim 1, which is characterized in that the lid of the end cap (3)
Wall (31) is cylindrical shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910564265.7A CN110429553B (en) | 2019-06-26 | 2019-06-26 | 10kV cold-shrinkable cable indoor terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910564265.7A CN110429553B (en) | 2019-06-26 | 2019-06-26 | 10kV cold-shrinkable cable indoor terminal |
Publications (2)
Publication Number | Publication Date |
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CN110429553A true CN110429553A (en) | 2019-11-08 |
CN110429553B CN110429553B (en) | 2021-07-30 |
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CN201910564265.7A Active CN110429553B (en) | 2019-06-26 | 2019-06-26 | 10kV cold-shrinkable cable indoor terminal |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000289109A (en) * | 1999-04-08 | 2000-10-17 | Hitachi Cable Ltd | Permanent-deformation preventive hollow core material for expanded diameter supporting for cylinder coating material shrinkable at ambient temperature |
US20050208270A1 (en) * | 2004-03-22 | 2005-09-22 | Chardon Taiwan Corporation | Support core ribbon for a cold-shrink tube |
CN202050226U (en) * | 2011-03-21 | 2011-11-23 | 天津市津南凯达通讯器材厂 | Underwater cable joint protective sleeve |
CN106848988A (en) * | 2017-04-17 | 2017-06-13 | 苏州鼎鑫冷热缩材料有限公司 | A kind of chilling shrink type cable accessory |
CN107681619A (en) * | 2017-11-21 | 2018-02-09 | 安徽伊法拉电气有限公司 | A kind of 35kv cables cold-shrinkable terminal |
CN107834495A (en) * | 2017-11-21 | 2018-03-23 | 安徽伊法拉电气有限公司 | A kind of 10KV cables cooling terminal of convenience in transport |
CN207459687U (en) * | 2017-11-30 | 2018-06-05 | 贵州鸿桂源电力设备有限公司 | A kind of novel indoor terminal structure |
-
2019
- 2019-06-26 CN CN201910564265.7A patent/CN110429553B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000289109A (en) * | 1999-04-08 | 2000-10-17 | Hitachi Cable Ltd | Permanent-deformation preventive hollow core material for expanded diameter supporting for cylinder coating material shrinkable at ambient temperature |
US20050208270A1 (en) * | 2004-03-22 | 2005-09-22 | Chardon Taiwan Corporation | Support core ribbon for a cold-shrink tube |
CN202050226U (en) * | 2011-03-21 | 2011-11-23 | 天津市津南凯达通讯器材厂 | Underwater cable joint protective sleeve |
CN106848988A (en) * | 2017-04-17 | 2017-06-13 | 苏州鼎鑫冷热缩材料有限公司 | A kind of chilling shrink type cable accessory |
CN107681619A (en) * | 2017-11-21 | 2018-02-09 | 安徽伊法拉电气有限公司 | A kind of 35kv cables cold-shrinkable terminal |
CN107834495A (en) * | 2017-11-21 | 2018-03-23 | 安徽伊法拉电气有限公司 | A kind of 10KV cables cooling terminal of convenience in transport |
CN207459687U (en) * | 2017-11-30 | 2018-06-05 | 贵州鸿桂源电力设备有限公司 | A kind of novel indoor terminal structure |
Also Published As
Publication number | Publication date |
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CN110429553B (en) | 2021-07-30 |
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Address after: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee after: Anhui yifala Electric Co.,Ltd. Address before: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee before: ANHUI YIFALA ELECTRICAL Co.,Ltd. |
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