CN211655083U - Copper-aluminum transition wire clamp - Google Patents
Copper-aluminum transition wire clamp Download PDFInfo
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- CN211655083U CN211655083U CN202020473862.7U CN202020473862U CN211655083U CN 211655083 U CN211655083 U CN 211655083U CN 202020473862 U CN202020473862 U CN 202020473862U CN 211655083 U CN211655083 U CN 211655083U
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- copper
- aluminum
- aluminium system
- connecting ring
- wire clamp
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Abstract
The utility model relates to the technical field of wire clamps, and aims to provide a copper-aluminum transition wire clamp, which comprises an aluminum crimping plate and a copper wiring pipe which are mutually welded, wherein an aluminum connecting ring is arranged at one end of the aluminum crimping plate, which is connected with the copper wiring pipe, and a copper connecting ring which is fixedly connected with the aluminum connecting ring is arranged at one end of the copper wiring pipe, which is connected with the aluminum crimping plate; the utility model discloses can increase the area of contact of copper aluminium transition contact, reduce the position of connecting generating heat and ageing, prevent to connect the position fracture.
Description
Technical Field
The utility model relates to a fastener technical field, in particular to copper aluminium transition fastener.
Background
Equipment clamps are commonly used in electrical power systems to connect wires to electrical equipment terminals for transferring electrical loads. At present, copper and aluminum are main materials in the process of power transmission, and as aluminum is light in weight, low in price and good in conductivity, the copper and the copper are generally used as substrates, copper is heavier, the price is high, but the copper and the copper are good in stability and conductivity, and are not easy to corrode, and the copper are generally used for contact parts. Therefore, the outgoing line terminals of the current common electrical equipment are generally copper and aluminum, and the outgoing lines are mostly aluminum stranded wires or steel-cored aluminum stranded wires, so the equipment wire clamps are divided into aluminum equipment wire clamps and copper-aluminum transition equipment wire clamps.
Chinese patent document with an authorization publication number CN205141182U in the prior art discloses a copper-aluminum transition equipment wire clamp, which includes: a wire crimping section including a hollow portion and a solid portion; the hollow part is a hollow tubular structure with one open end; one end of the solid part is connected with the hollow part, and the other end of the solid part is connected with the wiring board; copper-aluminum transition pieces are brazed on the wiring board; the tube wall of the open end of the hollow part is provided with an opening. The copper-aluminum transition equipment wire clamp can be inserted into a wire with a slightly larger inner diameter than the pipe orifice of the hollow tubular structure of the hollow part, and the operation of inserting the wire is easier.
Because two kinds of materials of copper aluminium directly meet, take place chemical reaction easily under the circular telegram circumstances, increase contact resistance burns out the fastener, consequently above-mentioned utility model well wire crimping portion is connected through the copper aluminium transition piece with the wiring board, but the copper aluminium transition piece is comparatively single thin, makes copper aluminium transition area of contact less easily, and then leads to the copper aluminium junction to generate heat ageing, final fracture.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, one of the purposes of the utility model is to provide a copper aluminium transition fastener, can increase the area of contact of copper aluminium transition contact, reduce the position of connecting generate heat and ageing, prevent to connect the position fracture.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a copper aluminium transition fastener, includes mutual welded aluminium system crimping board and copper wire barrel, the one end that links to each other with the copper wire barrel on the aluminium system crimping board is provided with the aluminium system go-between, the one end that links to each other with aluminium system crimping board on the copper wire barrel is provided with the copper go-between that is used for with aluminium system go-between fixed connection.
By adopting the technical scheme, the copper connecting ring and the aluminum connecting ring are combined in a welding mode, so that the contact area of the connecting part of the copper wiring pipe and the aluminum pressure welding plate is increased, the heat generation is reduced, and the connecting part is prevented from being broken; after the flange is additionally arranged at the copper-aluminum joint, the structural strength of the copper-aluminum joint can be improved, the bending resistance of the copper-aluminum joint is improved, and the copper-aluminum joint is prevented from being broken.
The utility model discloses further set up to: a plurality of matching grooves are formed in one end, connected with the copper connecting ring, of the aluminum connecting ring, and a plurality of matching blocks which are in one-to-one inserting connection with the matching grooves are arranged at one end, connected with the aluminum connecting ring, of the copper connecting ring.
By adopting the technical scheme, the contact area of the copper connecting ring and the aluminum connecting ring after connection can be increased by the matching groove and the matching block, and the copper-aluminum connecting part is prevented from being heated after the copper-aluminum transition wire clamp is electrified, so that the copper-aluminum connecting part is prevented from being broken.
The utility model discloses further set up to: the one end that aluminium system crimping board was provided with the aluminium system go-between is provided with the inserted block, the one end that copper wiring pipe was provided with the copper go-between is provided with the slot with the inserted block grafting complex.
Through adopting above-mentioned technical scheme, further increase the area of contact of aluminium system crimping board and copper wiring pipe hookup location, improve structural strength.
The utility model discloses further set up to: the cooperation piece sets up along copper go-between circumference interval, the inserted block is cylindrical.
Through adopting above-mentioned technical scheme, be convenient for copper wiring pipe and aluminium system crimping board cooperation of pegging graft.
The utility model discloses further set up to: be provided with the copper strengthening rib between copper wiring pipe and the copper go-between, be provided with the aluminium system strengthening rib between aluminium system crimping board and the aluminium system go-between.
Through adopting above-mentioned technical scheme, improve fastener structural strength, increase aluminium system crimping board and copper wiring pipe hookup location's area of contact.
The utility model discloses further set up to: the aluminium system crimping board includes connecting portion and work portion, the connecting portion end is cylindrical and connecting portion and work portion are formed with the contained angle that is greater than 90.
Through adopting above-mentioned technical scheme, be convenient for aluminium system crimping board and copper wiring pipe are connected, improve aluminium system crimping board's structural strength.
The utility model discloses further set up to: the working part is provided with a connecting hole, and the inner wall of the connecting hole is provided with a chamfer.
By adopting the technical scheme, the connecting hole is used for connecting the terminal, and the chamfer is convenient for the insertion of the fastener.
The utility model discloses further set up to: the copper wiring pipe has seted up the line hole for the one end that is provided with the copper go-between, the line hole inner wall is provided with the anticreep arch.
Through adopting above-mentioned technical scheme, the line hole is used for the pencil to insert to utilize the protruding resistance that increases of anticreep, play the anticreep effect.
To sum up, the beneficial effects of the utility model are that:
1. the copper connecting ring and the aluminum connecting ring are combined in a welding mode, so that the contact area of the connecting position of the copper wiring pipe and the aluminum pressing plate is increased, heat generation is reduced, and the connecting position is prevented from being broken; after the flange is additionally arranged at the copper-aluminum joint, the structural strength of the copper-aluminum joint can be improved, the bending resistance of the copper-aluminum joint is improved, and the copper-aluminum joint is prevented from being broken;
2. the cooperation groove can increase the area of contact after copper go-between is connected with aluminium system go-between with the cooperation piece, prevents that copper aluminium junction from generating heat after the circular telegram of copper aluminium transition fastener, leads to the fracture of copper aluminium junction.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is an exploded schematic view of the present invention.
Reference numerals: 1. an aluminum compression joint plate; 11. a working part; 111. connecting holes; 112. chamfering; 12. a connecting portion; 13. inserting a block; 2. a copper wiring tube; 21. a wire hole; 22. the anti-drop bulge; 23. a slot; 3. an aluminum connecting ring; 31. a mating groove; 32. an aluminum reinforcing rib; 4. the connecting ring is made of copper; 41. a matching block; 42. the copper reinforcing rib.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a copper-aluminum transition wire clamp, as shown in fig. 1 and 2, which comprises an aluminum compression joint plate 1 and a copper wiring pipe 2 which are welded with each other. A wire hole 21 is formed in one end of the copper wire connecting tube 2 opposite to the aluminum crimping plate 1, and a separation-preventing bulge 22 for preventing the wire harness from separating from the wire hole 21 is fixedly connected to the inner wall of the wire hole 21. The aluminum compression joint plate 1 comprises a connecting part 12 and a plate-shaped working part 11, the tail end of the connecting part 12 is cylindrical, an included angle larger than 90 degrees is formed between the connecting part 12 and the working part 11, the shape of the aluminum compression joint plate 1 is convenient to weld with the copper wiring pipe 2, and the structural strength of the aluminum compression joint plate can be improved. The working portion 11 is provided with a connecting hole 111 for connecting a fastening member, and the inner wall of the connecting hole 111 is provided with a chamfer 112 for facilitating the insertion of the fastening member.
As shown in fig. 2 and 3, an aluminum connecting ring 3 is fixedly connected to one end of the aluminum crimping plate 1 connected to the copper wiring tube 2, a copper connecting ring 4 is fixedly connected to one end of the copper wiring tube 2 connected to the aluminum crimping plate 1 and used for being fixedly connected to the aluminum connecting ring 3, and the aluminum connecting ring 3 and the copper connecting ring 4 are connected through welding to increase the contact area of the copper-aluminum connection of the transition wire clamp, so that the copper-aluminum connection is prevented from being broken.
As shown in fig. 2 and 3, a plurality of matching grooves 31 are formed in one end of the aluminum connecting ring 3 connected to the copper connecting ring 4, and a plurality of matching blocks 41 which are in one-to-one insertion fit with the matching grooves 31 are fixedly connected to one end of the copper connecting ring 4 connected to the aluminum connecting ring 3; a copper reinforcing rib 42 is fixedly connected between the copper wiring tube 2 and the copper connecting ring 4, and an aluminum reinforcing rib 32 is fixedly connected between the aluminum pressing plate 1 and the aluminum connecting ring 3; the aluminum pressure welding plate 1 is provided with an insertion block 13 at one end provided with the aluminum connecting ring 3, and the copper wiring tube 2 is provided with a slot 23 in insertion fit with the insertion block 13 at one end provided with the copper connecting ring 4. The matching block 41, the inserting block 13, the copper reinforcing rib 42 and the aluminum reinforcing rib 32 are all used for further increasing the contact area of the copper-aluminum connecting part of the transition wire clamp, and meanwhile, the copper reinforcing rib 42 and the aluminum reinforcing rib 32 improve the structural strength of the copper-aluminum connecting part and prevent breakage. The matching blocks 41 are arranged along the circumferential direction of the copper connecting ring 4 at intervals, and the inserting blocks 13 are cylindrical, so that the aluminum compression joint plate 1 and the copper wiring pipe 2 are conveniently in insertion fit.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a copper aluminium transition fastener, includes aluminium system crimping board (1) and copper wiring pipe (2) of mutual welded, its characterized in that: one end that links to each other with copper connecting wire pipe (2) on aluminium system crimping board (1) is provided with aluminium system go-between (3), the one end that links to each other with aluminium system crimping board (1) on copper connecting wire pipe (2) is provided with copper go-between (4) that are used for with aluminium system go-between (3) fixed connection.
2. The copper-aluminum transition wire clamp of claim 1, characterized in that: a plurality of matching grooves (31) are formed in one end, connected with the copper connecting ring (4), of the aluminum connecting ring (3), and a plurality of matching blocks (41) which are matched with the matching grooves (31) in a one-to-one inserting mode are arranged at one end, connected with the aluminum connecting ring (3), of the copper connecting ring (4).
3. The copper-aluminum transition wire clamp of claim 2, characterized in that: the one end that aluminium system crimping board (1) was provided with aluminium system go-between (3) is provided with inserted block (13), the one end that copper wiring pipe (2) was provided with copper go-between (4) is provided with and inserts block (13) grafting complex slot (23).
4. The copper-aluminum transition wire clamp of claim 3, characterized in that: the matching blocks (41) are arranged along the circumferential direction of the copper connecting ring (4) at intervals, and the inserting blocks (13) are cylindrical.
5. The copper-aluminum transition wire clamp of claim 1, characterized in that: be provided with copper strengthening rib (42) between copper service wire pipe (2) and copper go-between (4), be provided with aluminium strengthening rib (32) between aluminium system crimping board (1) and aluminium system go-between (3).
6. The copper-aluminum transition wire clamp of claim 1, characterized in that: aluminium system crimping board (1) is including connecting portion (12) and work portion (11), connecting portion (12) end is cylindrical and connecting portion (12) and work portion (11) are formed with the contained angle that is greater than 90.
7. The copper-aluminum transition wire clamp of claim 6, characterized in that: the working part (11) is provided with a connecting hole (111), and the inner wall of the connecting hole (111) is provided with a chamfer (112).
8. The copper-aluminum transition wire clamp of claim 1, characterized in that: wire hole (21) has been seted up for the one end that is provided with copper connecting ring (4) in copper wire connection pipe (2), wire hole (21) inner wall is provided with anticreep arch (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473862.7U CN211655083U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum transition wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473862.7U CN211655083U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum transition wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211655083U true CN211655083U (en) | 2020-10-09 |
Family
ID=72688386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020473862.7U Active CN211655083U (en) | 2020-04-02 | 2020-04-02 | Copper-aluminum transition wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211655083U (en) |
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2020
- 2020-04-02 CN CN202020473862.7U patent/CN211655083U/en active Active
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