CN212648503U - Conveniently-installed wiring terminal adopting copper aluminum friction welding - Google Patents
Conveniently-installed wiring terminal adopting copper aluminum friction welding Download PDFInfo
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- CN212648503U CN212648503U CN202021540329.4U CN202021540329U CN212648503U CN 212648503 U CN212648503 U CN 212648503U CN 202021540329 U CN202021540329 U CN 202021540329U CN 212648503 U CN212648503 U CN 212648503U
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- installation cavity
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Abstract
The utility model discloses an adopt copper aluminium friction welding's binding post convenient to install, including terminal body and terminal, the terminal is fixed to be set up at the rear end of terminal body, the terminal body is provided with two bolt holes along its length direction side by side, bolt hole female connection has clamp bolt, be provided with the columniform installation cavity in the terminal body, the lower part of installation cavity is provided with corrugate arch, the arch has the distribution along the length direction of terminal body all, be provided with the pressing member in the installation cavity, the lower terminal surface of pressing member is provided with the depressed part with the protruding matched with in installation cavity bottom, the front end of terminal body is provided with the constant head tank, the pressing member is provided with the stopper with constant head tank matched with; the advantage compresses tightly the piece and can effectively compress tightly the wire with compression bolt's cooperation, because the installation cavity lower part is provided with corrugated arch, compresses tightly the piece and is provided with the depressed part corresponding with protruding, through the depressed part with the bellied cooperation can stabilize compress tightly the wire and can not cause the damage to the wire.
Description
Technical Field
The utility model relates to a binding post field, concretely relates to adopt copper aluminium friction welding's binding post of installation of being convenient for.
Background
With the development of the technology, the electrical industry is also rapidly developed, and in order to facilitate wiring and installation during electrical line connection, a wiring terminal is generally adopted to realize connection between a wire and a lead, and between the wire and a component. A terminal is an accessory product for realizing electrical connection. With higher and higher industrial automation degree and stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually increases. The existing connecting terminal has the requirement of hardness for ensuring the installation of the connecting terminal, and an aluminum-aluminum welding mode is usually adopted, but the connecting terminal formed by welding in the mode has poor conductivity and large heat generation when in use, and has certain defects. Namely, the pure aluminum has low hardness, and is easy to cause the problems of disordered teeth, cutter sticking and the like during the thread processing. Simultaneously what first consider when binding post uses is wire electrical connection's reliability and electrically conductive effect, and current binding post adopts the internal thread to compress tightly the design usually when the design, compresses tightly the wire in binding post through the bolt promptly, and this internal screw thread that is provided with of terminal to internal thread through binding post setting increases wire and binding post's fixed ability, avoids the wire to follow the interior slippage of binding post. The defect that this design exists lies in when compressing tightly the wire through the bolt, because the manual mode of adoption of screwing of screw is screwed, consequently can't accurate control bolt compresses tightly the pressure of wire, when pressure was too big, because the less pressure of area of contact of internal thread and wire is great, consequently appears pressing easily and hinders or even presses the linearity of disconnected wire, the not hard up phenomenon appears easily in the wire after long-time the use. Because the connecting terminal is mostly used in a high-voltage high-current circuit, poor contact is easy to occur once the lead is damaged or loosened, and even electric sparks are generated. Therefore, a terminal with reduced wire damage and reliable fixing is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the wiring terminal is convenient to install, capable of effectively reducing wire damage and reliable in wire fixing by adopting copper-aluminum friction welding.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an adopt copper aluminium friction welding's binding post convenient to installation, includes terminal body and terminal, the terminal fixed set up the rear end portion of terminal body, the terminal body be provided with two bolt holes along its length direction side by side, bolt hole female connection have clamp bolt, this internal columniform installation cavity that is provided with of terminal, the lower part of installation cavity be provided with corrugate arch, the arch all have the distribution along the length direction of terminal body, the installation cavity in be provided with and compress tightly the piece, the lower terminal surface that compresses tightly the piece be provided with the protruding matched with depressed part in installation cavity bottom, the front end of terminal body be provided with the constant head tank, compress tightly the piece be provided with constant head tank matched with stopper.
Furthermore, the positioning groove and the two bolt holes are positioned on the same straight line.
Furthermore, the pressing piece is provided with limiting holes which are in one-to-one correspondence with the bolt holes; the advantage lies in that the setting in spacing hole can make the clamp bolt can accurately stretch into spacing downthehole when rotating down, avoids compressing tightly the piece and removes when compressing tightly the wire down for compress tightly the piece accuracy and compress tightly the wire.
Furthermore, at least 3 bulges are arranged in the mounting cavity; the advantage lies in that the setting of arch can make and become the wave form in the lower part of installation cavity, and the wire is compressed tightly to the convenient pressing member.
Furthermore, the binding post comprises a welding part and a binding part, and two sides of the welding part are respectively welded and fixed with the terminal body and the connecting part; the advantage lies in adopting the welding part of pure aluminium to realize the welding of the terminal body of both sides aluminum alloy, the connecting portion of copper product, keeps binding post's intensity when improving binding post electric conductivity.
Furthermore, the welding part is columnar and is coaxially arranged with the terminal body.
Furthermore, the middle part of the connecting part is provided with a mounting hole.
Furthermore, the end faces of the two sides of the connecting part are integrally and fixedly provided with reinforcing pads; the advantage lies in strengthening the intensity of connecting portion when setting up of pad can effectively increase installation binding post.
Compared with the prior art, the utility model has the advantages that the cooperation that compresses tightly the piece and compress tightly bolt that set up can effectively compress tightly the wire that stretches into in the installation cavity, simultaneously because the installation cavity lower part is provided with the arch of corrugate, compress tightly simultaneously the piece be provided with protruding corresponding depressed part, can stabilize through depressed part and bellied cooperation compress tightly the wire and can not cause the damage to the wire, when the operator screwed the clamp bolt hard promptly, because consequently can not produce great pressure after exerting pressure in bellied top smooth transition, thereby reduce the wire damage. The corrugated protrusion and the concave part are matched, so that the capability of the wiring terminal for compressing the wire can be effectively increased, the linearity of poor contact between the wire and the wiring terminal is avoided, and the probability of accidents is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the terminal body of the present invention;
fig. 3 is a schematic sectional structure view of the compressing member of the present invention;
fig. 4 is a schematic view of a cross-sectional structure of the terminal body of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The utility model provides an adopt copper aluminium friction welding's binding post convenient to installation, includes terminal body 1 and terminal 2, wherein terminal body 1 is the aluminum alloy material, and terminal 2 is fixed to be set up at the rear end of terminal body 1. Foretell terminal 2 includes weld part 2.1 and connecting portion 2.2, weld part 2.1 both sides respectively with terminal body 1, connecting portion 2.2 welded fastening, wherein above-mentioned weld part 2.1 is the column, and with terminal body 1 coaxial setting, mounting hole 2.4 has been seted up at connecting portion 2.2's middle part, the equal integrative fixed strengthening pad 2.3 that is provided with of both sides terminal surface of connecting portion 2.2. The welding part 2.1 is made of pure aluminum, and the connecting part 2.2 is made of copper.
Still the activity is provided with in above-mentioned installation cavity 4 and compresses tightly piece 3, and the cross section that compresses tightly piece 3 is circular or oval, and the lower terminal surface that compresses tightly piece 3 is provided with the bellied 6 matched with depressed part 3.1 in installation cavity 4 bottom, and the front end of terminal body 1 is provided with constant head tank 5, compresses tightly piece 3 and is provided with stopper 3.2 with constant head tank 5 matched with. Wherein the positioning groove 5 and the two bolt holes 7 are positioned on the same straight line, and the pressing piece 3 is provided with limiting holes 3.3 which are in one-to-one correspondence with the bolt holes 7.
During processing production, firstly, the welding part 2.1 of the alloy aluminum bar and the pure aluminum is subjected to heat treatment, then friction welding is carried out, because the alloy aluminum and the pure aluminum are very close to each other in chemical composition, the strength of the alloy aluminum and the pure aluminum after welding can be ensured, then, the copper material is subjected to heat treatment, and then, the other end of the welding part 2.1 of the pure aluminum and the copper material are subjected to friction welding. And can reach higher hardness after thermal treatment, its screw thread intensity can satisfy product design requirement and also be difficult for appearing in disorder tooth in the course of working, gluing the phenomenon of tooth after processing into the screw thread, can make whole product obtain promoting in the aspect of working strength through two liang of weldings simultaneously, is convenient for the later stage to the terminal tapping of connecting. The copper material is used as the connecting part 2.2, so that the conductivity of the connecting terminal can be effectively improved.
The utility model discloses a working process will compress tightly piece 3 and place in installation cavity 4 during the use to align stopper 3.2 and constant head tank 5, then stretch into installation cavity 4 with the wire and be located and compress tightly 3 below. The pressing bolt 8 is stretched into the limiting hole 3.3 by rotating the pressing bolt 8, the pressing bolt 8 is screwed continuously, the pressing piece 3 moves downwards to press the lead, and the lead can be pressed in a flat shape due to the fact that the lower end face of the pressing piece 3 is in an arc shape. Meanwhile, the lower part of the installation cavity 4 is provided with a plurality of corrugated bulges 6, and the pressing piece 3 is provided with the concave part 3.1 matched with the bulges 6, so that the wire can be pressed in the installation cavity 4 in a corrugated manner, and the wire can be effectively prevented from being damaged by pressure while being reliably fixed.
The above-described embodiments are only preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides an adopt copper aluminium friction welding's binding post convenient to installation, includes terminal body and terminal, the terminal fixed set up the rear end portion of terminal body, a serial communication port, the terminal body be provided with two bolt holes along its length direction side by side, bolt hole female connection have clamp bolt, this internal columniform installation cavity that is provided with of terminal, the lower part of installation cavity be provided with the arch of corrugate, the arch all have the distribution along the length direction of terminal body, the installation cavity in be provided with and compress tightly the piece, the lower terminal surface that compresses tightly be provided with the protruding matched with depressed part in installation cavity bottom, the front end of terminal body be provided with the constant head tank, compress tightly the piece be provided with constant head tank matched with stopper.
2. The easy-to-install connecting terminal adopting friction welding of copper, aluminum and aluminum as claimed in claim 1, wherein the positioning slot and the two bolt holes are located on the same straight line.
3. The connecting terminal convenient to mount and adopting the friction welding of copper, aluminum and aluminum as claimed in claim 2, wherein the pressing piece is provided with limiting holes corresponding to the bolt holes one by one.
4. The easy-to-install connecting terminal adopting friction welding of copper, aluminum and aluminum as claimed in claim 1, wherein at least 3 protrusions are arranged in the installation cavity.
5. The connecting terminal convenient to install and adopting the friction welding of copper, aluminum and aluminum as claimed in claim 1, wherein the connecting terminal comprises a welding part and a connecting part, and two sides of the welding part are respectively welded and fixed with the terminal body and the connecting part.
6. The easy-to-install connecting terminal adopting friction welding of copper, aluminum and aluminum as claimed in claim 5, wherein the welding portion is cylindrical and is arranged coaxially with the terminal body.
7. The connecting terminal convenient to install and adopting the friction welding of copper, aluminum and aluminum as claimed in claim 5, wherein the middle part of the connecting part is provided with an installation hole.
8. The connecting terminal convenient for installation by adopting the friction welding of copper, aluminum and aluminum as the claim 7, wherein the end surfaces of the two sides of the connecting part are integrally and fixedly provided with reinforcing pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540329.4U CN212648503U (en) | 2020-07-30 | 2020-07-30 | Conveniently-installed wiring terminal adopting copper aluminum friction welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540329.4U CN212648503U (en) | 2020-07-30 | 2020-07-30 | Conveniently-installed wiring terminal adopting copper aluminum friction welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648503U true CN212648503U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021540329.4U Active CN212648503U (en) | 2020-07-30 | 2020-07-30 | Conveniently-installed wiring terminal adopting copper aluminum friction welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648503U (en) |
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2020
- 2020-07-30 CN CN202021540329.4U patent/CN212648503U/en active Active
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