CN209948124U - Pre-insulated copper-aluminum terminal - Google Patents
Pre-insulated copper-aluminum terminal Download PDFInfo
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- CN209948124U CN209948124U CN201920890308.6U CN201920890308U CN209948124U CN 209948124 U CN209948124 U CN 209948124U CN 201920890308 U CN201920890308 U CN 201920890308U CN 209948124 U CN209948124 U CN 209948124U
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- terminal
- copper
- sealing plug
- aluminum
- side wall
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Abstract
The utility model discloses a copper aluminium terminal of pre-insulation. Including interconnect's terminal copper portion and terminal aluminium portion, on the terminal copper portion, other all be provided with the insulating layer on the surface except that connecting hole pore wall department, terminal aluminium portion is provided with the protection casing including its cladding outward, protection casing one end with terminal copper portion cooperatees, and other end tip department installs the sealing plug, seted up the recess on the sealing plug inside wall, seted up on the lateral wall with the through-hole of recess intercommunication, simultaneously be provided with a plurality of protruding edges on the recess inner wall. The utility model has the advantages that: the utility model discloses a set up the insulating layer in terminal copper portion for it can directly use after the crimping, convenient operation, the sealing plug of installing additional simultaneously can prevent effectively that steam from influencing electric property in entering into the wire through the interface gap, has water-proof effects.
Description
Technical Field
The utility model belongs to the technical field of copper aluminium terminal technique and specifically relates to copper aluminium terminal of pre-insulation.
Background
Copper aluminium terminal is the comparatively extensive product of application in the electric industry, and its both ends are connected with the aluminium copper end of cable and electrical equipment respectively, and traditional copper aluminium terminal still need reheat shrink pipe after the installation, and the operation is very inconvenient, and simultaneously, traditional copper aluminium terminal still has steam and enters into the drawback of influencing electric properties in the wire through the interface gap, consequently, to traditional copper aluminium terminal, still need further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to among the prior art, provide the copper aluminium terminal of pre-insulation, it is through setting up the insulating layer in terminal copper portion for it can directly use after the crimping, convenient operation, the sealing plug of installing additional simultaneously can prevent effectively that steam from entering into the wire through the interface gap and influencing electric property, has water-proof effects.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: pre-insulated copper aluminium terminal, including interconnect's terminal copper portion and terminal aluminium portion, terminal copper portion includes the connecting hole, on the terminal copper portion, all other on the surface except that connecting hole pore wall department are provided with the insulating layer, terminal aluminium portion is provided with the protection casing including its cladding outward, protection casing one end with the terminal copper portion cooperatees, and other end tip department installs the sealing plug, set up flutedly on the sealing plug inside wall, set up on the lateral wall with the through-hole of recess intercommunication, simultaneously, be provided with a plurality of protruding edges on the recess inner wall.
In the above scheme, preferably, the terminal copper part includes a first connecting part, a second connecting part and a third connecting part which are connected in sequence, the first connecting part is connected with the terminal aluminum part, the circle center of the first connecting part is located on the same straight line as that of the terminal aluminum part, the side wall of the second connecting part covers the whole outer side wall of the first connecting part and is connected with the first connecting part, and the connecting hole is formed in the third connecting part.
In the above aspect, preferably, the first connection portion, the second connection portion, and the third connection portion are integrally formed.
In the above aspect, preferably, the first connecting portion and the terminal aluminum portion are connected by friction welding.
In the above scheme, preferably, the outer wall of the protective cover is circumferentially provided with a groove body, and the groove body is provided with a plurality of annular convex bodies.
In the above scheme, preferably, the annular convex bodies are uniformly distributed on the tank body.
In the above aspect, preferably, the protrusions are uniformly distributed along a direction from the inner side wall to the outer side wall of the sealing plug.
In the above aspect, preferably, a circle center of the through hole and a circle center of the sealing plug are located on the same straight line.
The utility model has the advantages that: the utility model discloses a set up the insulating layer in terminal copper portion for it can directly use after the crimping, convenient operation, the sealing plug of installing additional simultaneously can prevent effectively that steam from influencing electric property in entering into the wire through the interface gap, has water-proof effects.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the sealing plug of the present invention.
Fig. 3 is a schematic view of the terminal copper part of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings: referring to fig. 1-3, the pre-insulated copper-aluminum terminal includes a terminal copper portion 1 and a terminal aluminum portion 2 connected to each other, the terminal copper portion 1 includes a connection hole 11, insulation layers are disposed on all surfaces of the terminal copper portion except for a hole wall of the connection hole, and the hole wall of the connection hole is a metal portion for electrically connecting with a wire.
Preferably, terminal copper portion 1 is including first connecting portion 12, second connecting portion 13 and the third connecting portion 14 that connects gradually, first connecting portion second connecting portion with third connecting portion integrated into one piece, first connecting portion with terminal aluminium portion links to each other, and its centre of a circle with the centre of a circle of terminal aluminium portion is located same straight line, second connecting portion lateral wall covers wholly the lateral wall of first connecting portion links to each other rather than, the connecting hole is seted up on the third connecting portion.
Preferably, the first connecting portion 12 and the terminal aluminum portion 2 are connected by friction welding.
The terminal aluminum part 2 is externally provided with a protective cover 3 which covers the terminal aluminum part, one end of the protective cover 3 is matched with the terminal copper part 1, the end part of the other end of the protective cover is provided with a sealing plug 4, the inner side wall of the sealing plug 4 is provided with a groove 41, the outer side wall of the sealing plug is provided with a through hole 42 communicated with the groove 41, the circle center of the through hole 42 and the circle center of the sealing plug 4 are positioned on the same straight line, meanwhile, the inner wall of the groove 41 is provided with a plurality of convex edges 411, and the convex edges 411 are uniformly distributed from the inner side wall to the outer.
The protective cover 3 is a hollow part with openings at two ends, the shape and size of the opening at one end matched with the terminal copper part are matched with the shape and size of the position of the terminal copper part, and sealing is formed after connection; the shape and size of the opening at one end connected with the sealing plug are matched with the shape and size of the sealing plug, the sealing plug and the protective cover are connected into a whole after installation, and the interference fit mode is preferably selected for the connection mode of the sealing plug and the protective cover.
The sealing plug shape size and the shape size phase-match of this end opening part of protection casing, the sealing plug lives the connecting piece parcel, simultaneously, provides the clamping action through the protruding edge of multilayer to the connecting piece outer wall, forms multilayer protective structure to effectual steam that prevents enters into influence electric property in the wire through the interface gap, has water-proof effects.
The outer wall of the protective cover 3 is circumferentially provided with a groove body 31, and the groove body 31 is uniformly provided with a plurality of annular convex bodies 32. The groove body and the annular convex body on the protective cover are convenient for taking and installing the whole product, provide extra friction force, and meanwhile, the marker can be embedded in the position, so that the user can conveniently recognize the product.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. Pre-insulated copper aluminium terminal, including interconnect's terminal copper portion and terminal aluminium portion, terminal copper portion includes connecting hole, its characterized in that: the terminal copper part is provided with insulating layers on all surfaces except the hole wall of the connecting hole, the terminal aluminum part is externally provided with a protective cover for coating the terminal aluminum part, one end of the protective cover is matched with the terminal copper part, the end part of the other end of the protective cover is provided with a sealing plug, the inner side wall of the sealing plug is provided with a groove, the outer side wall of the sealing plug is provided with a through hole communicated with the groove, and meanwhile, the inner wall of the groove is provided with a plurality of convex edges.
2. The pre-insulated copper aluminum terminal of claim 1, wherein: the terminal copper part comprises a first connecting part, a second connecting part and a third connecting part which are connected in sequence, the first connecting part is connected with the terminal aluminum part, the circle center of the first connecting part is located on the same straight line with the circle center of the terminal aluminum part, the side wall of the second connecting part covers the whole outer side wall of the first connecting part and is connected with the outer side wall of the first connecting part, and the connecting hole is formed in the third connecting part.
3. The pre-insulated copper aluminum terminal of claim 2, wherein: the first connecting portion, the second connecting portion and the third connecting portion are integrally formed.
4. The pre-insulated copper aluminum terminal of claim 2 or 3, wherein: the first connecting portion is connected with the terminal aluminum portion in a friction welding mode.
5. The pre-insulated copper aluminum terminal of claim 1, wherein: the protective cover is characterized in that a groove body is circumferentially formed in the outer wall of the protective cover, and a plurality of annular convex bodies are arranged on the groove body.
6. The pre-insulated copper aluminum terminal of claim 5, wherein: the annular convex bodies are uniformly distributed on the groove body.
7. The pre-insulated copper aluminum terminal of claim 1, wherein: the convex edges are uniformly distributed in the direction from the inner side wall to the outer side wall of the sealing plug.
8. The pre-insulated copper aluminum terminal of claim 1 or 7, wherein: the circle center of the through hole and the circle center of the sealing plug are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890308.6U CN209948124U (en) | 2019-06-14 | 2019-06-14 | Pre-insulated copper-aluminum terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920890308.6U CN209948124U (en) | 2019-06-14 | 2019-06-14 | Pre-insulated copper-aluminum terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948124U true CN209948124U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920890308.6U Active CN209948124U (en) | 2019-06-14 | 2019-06-14 | Pre-insulated copper-aluminum terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948124U (en) |
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2019
- 2019-06-14 CN CN201920890308.6U patent/CN209948124U/en active Active
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