CN209329202U - A kind of lead wire with prefabricated connection end - Google Patents
A kind of lead wire with prefabricated connection end Download PDFInfo
- Publication number
- CN209329202U CN209329202U CN201920312793.9U CN201920312793U CN209329202U CN 209329202 U CN209329202 U CN 209329202U CN 201920312793 U CN201920312793 U CN 201920312793U CN 209329202 U CN209329202 U CN 209329202U
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- lead wire
- connection end
- flow increasing
- prefabricated
- injection molding
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Abstract
The utility model relates to electrical equipment technical fields, specifically a kind of lead wire with prefabricated connection end, including lead wire and the prefabricated prefabricated connection end in lead wire end, prefabricated connection end includes connection end ontology, flow increasing casing and the first insulating sheath injection molding body, connection end ontology is equipped with connecting terminal and aluminium hydraulic pressed connecting pipe, flow increasing casing is nested in the inner wall of aluminium hydraulic pressed connecting pipe, lead wire end core is inserted in flow increasing casing, and lead wire end core, flow increasing casing and aluminium hydraulic pressed connecting pipe is dead links together, first insulating sheath injection molding body is coated on the outer surface of aluminium hydraulic pressed connecting pipe and lead wire end oversheath by the way of injection molding.The utility model has the lead wire of prefabricated connection end, and built-in flow increasing casing can effectively increase area of passage；Using injection molding insulation processing, the first insulating sheath injection molding body and corresponding lead wire end oversheath seamless interfacing, good insulation preformance.
Description
Technical field
The utility model relates to electrical equipment technical field, specifically a kind of lead wire with prefabricated connection end.
Background technique
The important pivot that 10KV distribution transforming rack is connected as distribution line, reliability of operation, stability and its important,
Once breaking down, wide coverage influences greatly, and loss is inestimable, and repairing will employ engineering truck, inconvenient for operation, when
Between it is long, it is at high cost.The lead wire of traditional distribution transforming rack is usually to make, and time-consuming and laborious, the duration is longer, and quality is due to people
It is different, be easy to produce because scene crimping deformation, copper-aluminium transition, expand with heat and contract with cold or shake reason cause connection end generate heat loosening etc. ask
Topic, and the product to complete is difficult to carry out electric performance test due to field condition, usually not after testing just at once
Installation, quality do not have any guarantee, and existing performance hidden danger is to lead to the key factor of failure；The connecting pin of traditional lead wire
Head deforms larger after crimping, can generate most weak spot, and effective area of passage is typically only the 65-75% of nominal cross section product,
It is the hidden danger point to break down；The connection end of traditional lead wire, the general insulation processing mode for using heat-shrink tube or cold shrink tube,
Weatherability is poor, and the coefficient of thermal expansion and contraction of heat-shrink tube or cold shrink tube is different from the coefficient of thermal expansion and contraction of lead wire end oversheath,
It is easy to cause to seep water due to expanding with heat and contract with cold causes junction to generate crack in use process.
Utility model content
The task of the utility model is to provide a kind of lead wire with prefabricated connection end, pre- using Standardization Process
It first completes, efficiently solves the problems, such as the differentiation of different operation personnel on site's construction technology, realize lead wire crimping and absolutely
Edge processing is prefabricated and standardization, can effectively solve the problem that junction because of scene crimping deformation, copper-aluminium transition, expand with heat and contract with cold or shake
Reason leads to problems such as connecting portion fever loosen, and the electric property of product after examining and meeting the requirements just come into operation by factory,
Quality is secure, failure rate is effectively reduced, and area of passage is big, good insulation preformance, installs quick and convenient.
The utility model is realized by following technical proposals:
A kind of lead wire with prefabricated connection end connects including lead wire and the prefabricated prefabricated in lead wire end
End is connect, prefabricated connection end includes connection end ontology, flow increasing casing and the first insulating sheath injection molding body, connection end sheet
Body is equipped with connecting terminal and aluminium hydraulic pressed connecting pipe, and the flow increasing casing is nested in the inner wall of aluminium hydraulic pressed connecting pipe, and lead wire end core is inserted in increasing
It flows in casing, and lead wire end core, flow increasing casing and aluminium hydraulic pressed connecting pipe is dead links together, the first insulating sheath injection molding
Body is coated on the outer surface of aluminium hydraulic pressed connecting pipe and lead wire end oversheath by the way of injection molding.
It is preferred that the first insulating sheath injection molding body is identical as the material of lead wire end oversheath.
It is preferred that the material of the flow increasing casing is identical as the material of lead wire end core, the connection end ontology
The material of material electrical equipment connected to it is identical.
It is preferred that the material of the flow increasing casing is aluminium, the material of the connection end ontology is copper.
It is preferred that the cross-sectional area sum of the aluminium hydraulic pressed connecting pipe and the flow increasing casing, than the cross section of lead wire end core
Product is big by 30% or more.
A kind of beneficial effect of the lead wire with prefabricated connection end of the utility model is: having prefabricated connecting pin
The lead wire of head is completed using Standardization Process pre-production, efficiently solves the difference of different operation personnel on site's construction technology
Change problem realizes that lead wire crimping and insulation processing are prefabricated and standardize, and the electric property of product is after examining and meeting the requirements
Just factory is come into operation, and quality is secure, failure rate is effectively reduced, and install quick and convenient；Prefabricated connection end is built-in to be increased
Casing is flowed, area of passage can be effectively increased, before crimping, the cross-sectional area sum of aluminium hydraulic pressed connecting pipe and flow increasing casing connects than drawing
The cross-sectional area of thread end core is big by 30% or more, and after flow increasing casing is arranged, crimping deformation is smaller, handles even across crimping,
Conductive cross-sectional area of the cross-sectional area sum of aluminium hydraulic pressed connecting pipe and flow increasing casing also than former core is big, effectively solution conventional crimping techniques
At caused crimping area of passage it is too small and become hidden danger point；Prefabricated connection end is using injection molding insulation processing, the first insulation
Sheath injection molding body effectively solves traditional heat-shrink tube or shrinkage with corresponding lead wire end oversheath seamless interfacing, good insulation preformance
The problem of the weatherability difference of pipe, more pressure-resistant waterproof, the first insulating sheath injection molding body and lead wire end jacket material homogeneity,
Life cycle is consistent, and coefficient of thermal expansion and contraction is identical, in use will not because expand with heat and contract with cold cause junction generate crack due to
It causes to seep water；The terminals material that the connection end ontology of prefabricated connection end is corresponding is identical, and flow increasing casing connects with drawing
Thread end core material is identical, to effectively solve the problems, such as copper-aluminium transition.
It is described further below with reference to effect of the attached drawing to the design of the utility model, specific structure and generation, with
It is completely understood by the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lead wire of the utility model with prefabricated connection end；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Wherein: prefabricated connection end 1, connection end ontology 11, connecting terminal 111, aluminium hydraulic pressed connecting pipe 112, flow increasing casing 12,
First insulating sheath injection molding body 13, lead wire 2, lead wire end core 21, lead wire end oversheath 22.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that saying that the specific embodiment of description is used only for explaining herein
The utility model is not used to limit the utility model.
As shown in Figs. 1-2, a kind of lead wire with prefabricated connection end, including lead wire 2 and prefabricated in lead wire 2
The prefabricated connection end 1 of end, prefabricated connection end 1 include connection end ontology 11, flow increasing casing 12 and the first insulation
Sheath injection molding body 13, connection end ontology 11 are equipped with connecting terminal 111 and aluminium hydraulic pressed connecting pipe 112, and flow increasing casing 12 is nested in aluminium hydraulic pressed connecting pipe
112 inner wall, lead wire end core 21 are inserted in flow increasing casing 12, and lead wire end core 21,12 and of flow increasing casing
Aluminium hydraulic pressed connecting pipe 112 is dead by way of crimping to link together, and the first insulating sheath injection molding body 13 is by the way of injection molding
It is coated on the outer surface of aluminium hydraulic pressed connecting pipe 112 and lead wire end oversheath 22.First insulating sheath injection molding body 13 and lead wire end
The material of oversheath 22 is identical, and the material of flow increasing casing 12 is identical as the material of lead wire end core 21, connection end ontology
11 material electrical equipment material connected to it is identical, it is preferable that the material of flow increasing casing 12 is aluminium, connection end ontology 11
Material is copper.It is preferred that the cross-sectional area sum of aluminium hydraulic pressed connecting pipe 112 and flow increasing casing 12, the cross-sectional area than the core of lead wire 2 is big
30% or more.
A kind of beneficial effect of the lead wire with prefabricated connection end of the utility model is: having prefabricated connecting pin
The lead wire of head is completed using Standardization Process pre-production, efficiently solves the difference of different operation personnel on site's construction technology
Change problem realizes that lead wire crimping and insulation processing are prefabricated and standardize, and the electric property of product is after examining and meeting the requirements
Just factory is come into operation, and quality is secure, failure rate is effectively reduced, and install quick and convenient；Prefabricated connection end is built-in to be increased
Casing is flowed, area of passage can be effectively increased, before crimping, the cross-sectional area sum of aluminium hydraulic pressed connecting pipe and flow increasing casing connects than drawing
The cross-sectional area of thread end core is big by 30% or more, and after flow increasing casing is arranged, crimping deformation is smaller, handles even across crimping,
Conductive cross-sectional area of the cross-sectional area sum of aluminium hydraulic pressed connecting pipe and flow increasing casing also than former core is big, effectively solution conventional crimping techniques
At caused crimping area of passage it is too small and become hidden danger point；Prefabricated connection end is using injection molding insulation processing, the first insulation
Sheath injection molding body effectively solves traditional heat-shrink tube or shrinkage with corresponding lead wire end oversheath seamless interfacing, good insulation preformance
The problem of the weatherability difference of pipe, more pressure-resistant waterproof, the first insulating sheath injection molding body and lead wire end jacket material homogeneity,
Life cycle is consistent, and coefficient of thermal expansion and contraction is identical, in use will not because expand with heat and contract with cold cause junction generate crack due to
It causes to seep water；The terminals material that the connection end ontology of prefabricated connection end is corresponding is identical, and flow increasing casing connects with drawing
Thread end core material is identical, to effectively solve the problems, such as copper-aluminium transition.
The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different shapes
Formula is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this reality
Understanding with novel disclosure is more thorough and comprehensive.
Claims (5)
1. a kind of lead wire with prefabricated connection end, which is characterized in that including lead wire and prefabricated in lead wire end
Prefabricated connection end, prefabricated connection end includes connection end ontology, flow increasing casing and the first insulating sheath injection molding body,
Connection end ontology is equipped with connecting terminal and aluminium hydraulic pressed connecting pipe, and the flow increasing casing is nested in the inner wall of aluminium hydraulic pressed connecting pipe, lead wire end line
Core is inserted in flow increasing casing, and lead wire end core, flow increasing casing and aluminium hydraulic pressed connecting pipe is dead links together, and described first absolutely
Edge sheath injection molding body is coated on the outer surface of aluminium hydraulic pressed connecting pipe and lead wire end oversheath by the way of injection molding.
2. having the lead wire of prefabricated connection end according to claim 1, which is characterized in that first insulating sheath
Injection molding body is identical as the material of lead wire end oversheath.
3. having the lead wire of prefabricated connection end according to claim 1, which is characterized in that the material of the flow increasing casing
Matter is identical as the material of lead wire end core, the material phase of the material electrical equipment connected to it of the connection end ontology
Together.
4. having the lead wire of prefabricated connection end according to claim 3, which is characterized in that the material of the flow increasing casing
Matter is aluminium, and the material of the connection end ontology is copper.
5. having the lead wire of prefabricated connection end according to claim 1, which is characterized in that the aluminium hydraulic pressed connecting pipe and described
The cross-sectional area sum of flow increasing casing, the cross-sectional area than lead wire end core are big by 30% or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312793.9U CN209329202U (en) | 2019-03-12 | 2019-03-12 | A kind of lead wire with prefabricated connection end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312793.9U CN209329202U (en) | 2019-03-12 | 2019-03-12 | A kind of lead wire with prefabricated connection end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329202U true CN209329202U (en) | 2019-08-30 |
Family
ID=67732714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312793.9U Active CN209329202U (en) | 2019-03-12 | 2019-03-12 | A kind of lead wire with prefabricated connection end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209329202U (en) |
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2019
- 2019-03-12 CN CN201920312793.9U patent/CN209329202U/en active Active
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