CN212934871U - Copper-aluminum composite transition wiring terminal convenient to install - Google Patents

Abstract

The utility model relates to a copper aluminium composite transition binding post convenient to installation, including copper wiring end, aluminium wiring end and junction tube, the one end of aluminium wiring end and the one end fixed connection of copper wiring end, the one end of junction tube and the one end that aluminium wiring end kept away from copper wiring end can be dismantled and be connected, the slot that supplies the metal conductor grafting is seted up to one side that aluminium wiring end kept away from copper wiring end, be equipped with the fixed establishment who is used for fixed cable in the junction tube, fixed establishment includes solid fixed ring and a plurality of spring steel sheet, gu fixed ring fixed connection is on the inside wall of junction tube, a plurality of spring steel sheet evenly distributed in the inner peripheral surface of solid fixed ring along the circumference of solid; and a pushing assembly for pushing the spring steel sheet to move is arranged on the junction tube. This application has the effect of being convenient for install the cable.

Description

Copper-aluminum composite transition wiring terminal convenient to install

Technical Field

The application relates to the technical field of wiring terminals, in particular to a copper-aluminum composite transition wiring terminal convenient to install.

Background

At present, different electrical equipment is often required to be transitionally connected by a copper-aluminum wiring terminal in a distribution circuit, the aluminum wiring terminal is arranged to be flat by a general copper-aluminum wiring terminal, a through hole for connecting a lead is arranged on the aluminum wiring terminal, and a cable is fixed on the copper-aluminum terminal by flattening the through hole of the aluminum wiring terminal.

Cables typically include metallic conductors and an insulating sheath.

The related art can refer to the chinese utility model patent with the publication number CN201732875U, which discloses a copper-aluminum wiring terminal, including the aluminium system body of one end tubulose, the other end platykurtic, the platykurtic still is equipped with connect the through-hole, and the platykurtic of this aluminium system body is flattened the shaping by the tubulose and is constituted, and the whole inner wall of aluminium system body, including the inside copper sheet layer that has all covered and combined of platykurtic. The utility model discloses a flat end flattens the shaping by the tubulose, can earlier combine to combine after the copper sheet layer at aluminum pipe inner wall or outer wall admittedly during production, cut off again and the tip flattens, and copper aluminium material's combination is firm, can reach permanent interatomic combination, and the bulk strength improves greatly, can not split and drop, still can have certain plasticity, is favorable to machining. And the copper sheet has wide covering surface, excellent conductivity, less copper material, low cost and light weight.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when facing the great cable of diameter, the relative volume of the copper aluminium binding post of corresponding connection is also great, is not convenient for adopt to flatten aluminium system body and reaches the fixed cable purpose.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the installation of the great cable of diameter, this application provides a copper aluminium composite transition binding post convenient to installation.

The application provides a pair of compound transition binding post of copper aluminium convenient to installation adopts following technical scheme:

a copper-aluminum composite transition wiring terminal convenient to install comprises a copper wiring end, an aluminum wiring end and a wiring pipe, wherein one end of the aluminum wiring end is fixedly connected with one end of the copper wiring end, one end of the wiring pipe is detachably connected with one end, far away from the copper wiring end, of the aluminum wiring end, a slot for inserting a metal wire is formed in one side, far away from the copper wiring end, of the aluminum wiring end, a fixing mechanism for fixing a cable is arranged in the wiring pipe and comprises a fixing ring and a plurality of spring steel sheets, the fixing ring is fixedly connected to the inner side wall of the wiring pipe, and the spring steel sheets are uniformly distributed on the inner peripheral surface of the fixing ring along the circumferential direction of the fixing ring; and a pushing assembly for pushing the spring steel sheet to move is arranged on the junction tube.

Through adopting above-mentioned technical scheme, the cable is pegged graft in the in-process of slot, and the cable promotes the motion of spring steel sheet earlier, and the spring steel sheet is crooked to being close to aluminium system wiring end this moment, and after the cable was pegged graft in the slot, spring steel sheet and cable butt this moment to can reach the purpose of fixed cable.

Preferably, the promotion subassembly includes pressing ring, transition pipe and push away the pipe, push away the one end butt of pipe in the spring steel sheet is kept away from one side of aluminium system wiring end, transition pipe fixed connection in push away the pipe and keep away from the one end of spring steel sheet, pressing ring fixed connection in the transition pipe is kept away from the one end of pushing away the pipe, the axial sliding connection of pushing away the pipe along the wire barrel is on the inner wall of wire barrel.

Through adopting above-mentioned technical scheme, move through promoting the pressing ring and drive the transition pipe and remove, the transition pipe removes and drives the removal of push pipe, and push pipe promotes the spring steel sheet and crooked to the one side that is close to aluminium system wiring end this moment to can remove the cable, reach the purpose convenient to detach and installation cable.

Preferably, the shape of the thrust tube is a circular truncated cone, and the cross-sectional area of the thrust tube increases from the end close to the transition tube to the end far away from the transition tube.

Through adopting above-mentioned technical scheme, through setting up the promotion pipe, be convenient for promote the motion of spring steel piece to convenient to detach cable.

Preferably, the inner wall of one end, far away from the aluminum wiring end, of the wiring tube is fixedly connected with a limiting ring, and the outer peripheral surface of the transition tube is connected to the inner peripheral surface of the limiting ring in a sliding mode along the axial direction of the wiring tube.

Through adopting above-mentioned technical scheme, through setting up the spacing ring, can make the one end that promotes the pipe and be close to aluminium system wiring end be difficult to in the roll-off wiring pipe to can play and carry out spacing purpose to the promotion subassembly, therefore can reduce the possibility that the promotion subassembly takes place to lose.

Preferably, the one end fixedly connected with go-between that the aluminium system wiring end is close to the wiring pipe, the go-between peg graft in the wiring pipe is close to the one end of aluminium system wiring end, the spacing groove has been seted up on the lateral wall of go-between, the one end that the wiring pipe is close to the aluminium system wiring end is provided with the stopper, the stopper with the spacing groove cooperatees.

Through adopting above-mentioned technical scheme, through setting up the go-between, be convenient for initial connection go-between and aluminium system wiring end, then make stopper and spacing groove cooperation again to this reaches the purpose with wire barrel and aluminium system wiring end fixed connection.

Preferably, a first pre-positioning groove is formed in the outer peripheral surface, close to the aluminum wiring end, of the transition pipe, a second pre-positioning groove is formed in the outer peripheral surface, close to the aluminum wiring end, of the aluminum wiring end, and when the first pre-positioning groove is aligned to the second pre-positioning groove, the limiting block is aligned to the limiting groove.

Through adopting above-mentioned technical scheme, through setting up first preliminary positioning groove and second preliminary positioning groove, be convenient for adjust the stopper to with spacing groove matched with position.

Preferably, one end of the wire connecting pipe close to the aluminum wire connecting end is provided with a sliding chute, two side faces of the limiting block are respectively and fixedly connected with a limiting plate, the limiting plate is connected with the chute in a sliding way along the radial direction of the wire connecting pipe, a push plate is connected with the chute in a sliding way along the radial direction of the transition pipe, a spring is arranged on the opposite inner sides of the push plate and the limiting block, two ends of the spring are respectively and fixedly connected with the opposite inner sides of the push plate and the limiting block, one side of the push plate, which is far away from the limit block, is fixedly connected with a pressing block, the pressing block penetrates through the sliding groove and is far away from the inner side wall of the connecting ring, and the outer peripheral face of protrusion connecting tube sets up, the both ends difference fixedly connected with catch arm that the push pedal is close to stopper one side, every the catch arm with be provided with between the stopper and be used for driving the stopper and be close to the direction of push pedal removes drive assembly.

By adopting the technical scheme, the push plate is pushed to slide in the sliding groove by pressing the pressing block, the push plate moves to drive the two push arms to move, the limiting block moves towards the direction close to the push plate under the action of the two push arms and the driving assembly, and the spring is compressed at the moment; when no longer pressing the pressing block, under the effect of the elastic force of spring, stopper and push pedal back of the body motion, until limiting plate and push pedal respectively with two lateral wall butts of spout.

Preferably, every group drive assembly includes first rack, second rack and vertical axis and gear, first rack fixed connection in the catch arm is close to one side of stopper, second rack fixed connection in the stopper is close to one side of catch arm, the both ends of vertical axis respectively fixed connection in on the both sides wall that the spout is parallel to each other, gear revolve connect in the outer peripheral face of vertical axis, first rack with the second rack all with gear engagement.

By adopting the technical scheme, in order to move the limiting block, the two first racks are driven to move by the movement of the two pushing arms, the first racks drive the gear to rotate, the gear rotates to drive the second rack to move, and the second rack drives the limiting block to move; through setting up vertical axis, the fixed gear of being convenient for rotates at the same position.

To sum up, this application includes following at least one copper aluminium composite transition binding post beneficial technical effect convenient to installation:

1. when the cable is plugged in the slot, the cable pushes the spring steel sheet to move, the spring steel sheet bends to be close to the aluminum wiring end, and after the cable is plugged in the slot, the spring steel sheet is abutted against the cable, so that the purpose of fixing the cable is achieved;

2. the push plate is pushed to slide in the sliding groove by pressing the pressing block, the push plate moves to drive the two push arms to move, the limiting block moves towards the direction close to the push plate under the action of the two push arms and the driving assembly, and the spring is compressed at the moment; when the pressing block is not pressed any more, the limiting block and the push plate move back to back under the action of the elastic force of the spring until the limiting plate and the push plate are respectively abutted against the two side walls of the sliding groove;

3. in order to move the limiting block conveniently, the two first racks are driven to move through the movement of the two pushing arms, the first racks drive the gears to rotate, the gears rotate to drive the second racks to move, and the second racks drive the limiting block to move; through setting up vertical axis, the fixed gear of being convenient for rotates at the same position.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the embodiment of the present application highlighting the securing mechanism and the pushing assembly;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a copper terminal; 11. a fixing hole; 2. an aluminum terminal; 21. a slot; 22. a connecting ring; 23. a limiting groove; 24. a first pre-positioning slot; 3. a wire connecting pipe; 31. a limiting ring; 32. a second pre-positioning slot; 33. a chute; 331. a limiting block; 3311. a first through hole; 332. a pressing block; 3321. a second through hole; 333. pushing the plate; 334. a spring; 335. a push arm; 336. a limiting plate; 34. a drive assembly; 341. a first rack; 342. a gear; 343. a vertical axis; 344. a second rack; 4. a cable; 41. a metal wire; 5. a fixing mechanism; 51. a fixing ring; 52. a spring steel sheet; 53. a pushing assembly; 531. pressing a ring; 532. a transition duct; 533. pushing the tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses compound transition binding post of copper aluminium convenient to installation, as shown in figure 1, including copper wiring end 1, the one end of copper wiring end 1 is offered and is used for being connected fixed orifices 11 with conducting device, and the one end fixedly connected with aluminium wiring end 2 of fixed orifices 11 is kept away from to copper wiring end 1, and aluminium wiring end 2 is the cylinder, and aluminium wiring end 2 keeps away from the one end of copper wiring end 1 and can dismantle and be connected with wire barrel 3, and wire barrel 3 is the insulator of being made by plastics.

As shown in fig. 2, a slot 21 for inserting a metal wire 41 is formed in a side of the aluminum terminal 2 away from the copper terminal 1, a fixing mechanism 5 for fixing a cable 4 is installed in the wire connecting tube 3, the fixing mechanism 5 includes a fixing ring 51, the fixing ring 51 is fixedly connected to an inner side wall of the wire connecting tube 3, and a plurality of spring steel sheets 52 are uniformly distributed on an inner circumferential surface of the fixing ring 51 along a circumferential direction of the fixing ring 51; the junction tube 3 is internally provided with a pushing component 53 for pushing the spring steel sheet 52 to move. When the cable 4 is inserted into the slot 21, the cable 4 pushes the spring steel plate 52 to move, the spring steel plate 52 bends toward the aluminum terminal 2, and when the cable 4 is inserted into the slot 21, the spring steel plate 52 abuts against the cable 4, so that the purpose of fixing the cable 4 is achieved.

As shown in fig. 2, the pushing assembly 53 includes a pushing tube 533, one end of the pushing tube 533 abuts against one side of the spring steel sheet 52 far away from the aluminum terminal 2, the pushing tube 533 is in a circular truncated cone shape, and the cross-sectional area of the pushing tube 533 decreases gradually from one end close to the spring steel sheet 52 to one end far away from the spring steel sheet 52, so as to facilitate pushing the spring steel sheet 52; the pushing assembly 53 further comprises a transition tube 532 and a pressing ring 531, wherein one end of the transition tube 532 is fixedly connected to one end of the pushing tube 533 far away from the spring steel sheet 52, and one end of the transition tube 532 far away from is located outside the wire connecting tube 3, the pressing ring 531 is fixedly connected to one end of the transition tube 532 far away from the pushing tube 533, and the pushing tube 533 is connected to the inner wall of the wire connecting tube 3 in a sliding manner along the axial direction of the wire connecting tube 3; the inner wall of one end of the wire connecting tube 3, which is far away from the aluminum wire connecting end 2, is fixedly connected with a limiting ring 31, the outer peripheral surface of the transition tube 532 is connected with the inner peripheral surface of the limiting ring 31 in a sliding manner along the axial direction of the wire connecting tube 3, and the limiting ring 31 plays a role in limiting the pushing component 53. The pressing ring 531 is pushed to drive the transition pipe 532 to move, the transition pipe 532 moves to drive the pushing pipe 533 to move, and the pushing pipe 533 pushes the spring steel sheet 52 to bend towards one side close to the aluminum wiring end 2, so that the purpose of facilitating the detachment and the installation of the cable 4 is achieved.

As shown in fig. 2 and 3, in order to facilitate the fixed connection of the wire connecting tube 3 to the aluminum terminal 2, a connecting ring 22 is fixedly connected to one end of the aluminum terminal 2 close to the wire connecting tube 3, and the connecting ring 22 is inserted into one end of the wire connecting tube 3 close to the aluminum terminal 2; the transition pipe 532 is provided with a first pre-positioning groove 24 on the outer peripheral surface close to the aluminum wiring end 2, a second pre-positioning groove 32 is provided on the outer peripheral surface close to the aluminum wiring end 3 of the aluminum wiring end 2, a limiting groove 23 is provided on the outer side wall of the connecting ring 22, and a limiting block 331 is provided at one end of the wiring pipe 3 close to the aluminum wiring end 2. Peg graft in junction tube 3 through go-between 22, play the effect of junction tube 3 and aluminium system wiring end 2 initial connection, rethread regulation junction tube 3 aims at second preliminary positioning groove 32 to first preliminary positioning groove 24, and through stopper 331 and the cooperation of spacing groove 23 this moment, reach the purpose of junction tube 3 fixed connection in aluminium system wiring end 2.

As shown in fig. 3, a sliding groove 33 is formed at one end of the wire connecting tube 3 close to the aluminum terminal 2, a first through hole 3311 and a second through hole 3321 are respectively formed at two side walls of the sliding groove 33 close to and far from the aluminum terminal 2, a stopper 331 is slidably connected to the first through hole 3311 along a radial direction of the wire connecting tube 3, stopper 331 is fixedly connected to two side surfaces parallel to each other of the stopper 331, a push plate 333 is slidably connected to the sliding groove 33 along a radial direction of the transition tube 532, a spring 334 is installed at an inner side of the push plate 333 opposite to the stopper 331, two ends of the spring 334 are fixedly connected to an inner side of the push plate 333 opposite to the stopper 331, a pressing block 332 is fixedly connected to one side of the push plate 333 far from the stopper 331, the pressing block 332 is slidably connected to the second through hole 3321 along the radial direction of the wire connecting tube 3 and is always kept to, a driving component 34 for driving the limit block 331 to move towards the direction close to the push plate 333 is arranged between each push arm 335 and the limit block 331. The push plate 333 is pushed to slide in the sliding groove 33 by pressing the press block 332, the push plate 333 moves to drive the two push arms 335 to move, the limit block 331 moves towards the direction close to the push plate 333 under the action of the two push arms 335 and the driving component 34, and at the moment, the spring 334 is compressed; when the pressing block 332 is no longer pressed, the limiting block 331 and the pushing plate 333 move away from each other under the elastic force of the spring 334 until the limiting plate 336 and the pushing plate 333 abut against the two side walls of the sliding groove 33, respectively.

As shown in fig. 3, each set of driving assembly 34 includes a vertical shaft 343, two ends of the vertical shaft 343 are respectively and fixedly connected to two parallel side walls of the sliding slot 33, a gear 342 is rotatably connected to an outer circumferential surface of the vertical shaft 343, and the gear 342 and the vertical shaft 343 are located on the same axis, so as to facilitate the gear 342 to rotate at the same position; each set of driving components 34 further includes a first rack 341 and a second rack 344, the first rack 341 is fixedly connected to one side of the pushing arm 335 close to the limiting block 331, the second rack 344 is fixedly connected to 344 one side of the limiting block 331 close to the pushing arm 335, and both the first rack 341 and the second rack 344 are engaged with the gear 342. In order to move the limiting block 331, the two first racks 341 are driven to move by the movement of the two pushing arms 335, the two first racks 341 respectively drive the two gears 342 to rotate, the two gears 342 rotate to drive the two second racks 344 to move, and the two second racks 344 drive the limiting block 331 to move.

The implementation principle of the copper-aluminum composite transition wiring terminal convenient to install in the embodiment of the application is as follows: when the cable 4 is inserted into the slot 21, the cable 4 pushes the spring steel plate 52 to move, the spring steel plate 52 bends toward the aluminum terminal 2, and when the cable 4 is inserted into the slot 21, the spring steel plate 52 abuts against the cable 4, so that the purpose of fixing the cable 4 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a compound transition binding post of copper aluminium convenient to installation which characterized in that: comprises a copper terminal (1), an aluminum terminal (2) and a connecting tube (3), one end of the aluminum wiring terminal (2) is fixedly connected with one end of the copper wiring terminal (1), one end of the wiring tube (3) is detachably connected with one end of the aluminum wiring terminal (2) far away from the copper wiring terminal (1), a slot (21) for inserting a metal wire (41) is formed in one side of the aluminum wiring terminal (2) far away from the copper wiring terminal (1), a fixing mechanism (5) for fixing the cable (4) is arranged in the wiring tube (3), the fixing mechanism (5) comprises a fixing ring (51) and a plurality of spring steel sheets (52), the fixing ring (51) is fixedly connected to the inner side wall of the wire connecting pipe (3), and the spring steel sheets (52) are uniformly distributed on the inner circumferential surface of the fixing ring (51) along the circumferential direction of the fixing ring (51); and a pushing assembly (53) for pushing the spring steel sheet (52) to move is mounted on the wiring tube (3).

2. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 1, wherein: promote subassembly (53) including press ring (531), transition pipe (532) and push pipe (533), push pipe (533) one end butt in spring steel sheet (52) are kept away from one side of aluminium system wiring end (2), transition pipe (532) fixed connection in push pipe (533) is kept away from the one end of spring steel sheet (52), press ring (531) fixed connection in transition pipe (532) are kept away from the one end of push pipe (533), push pipe (533) are along the axial sliding connection of wiring pipe (3) on the inner wall of wiring pipe (3).

3. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 2, wherein: the pushing pipe (533) is in a truncated cone shape, and the cross-sectional area of the pushing pipe (533) is gradually increased from one end close to the transition pipe (532) to one end far away from the transition pipe (532).

4. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 3, wherein: the inner wall of one end, far away from the aluminum wiring end (2), of the wiring tube (3) is fixedly connected with a limiting ring (31), and the outer peripheral surface of the transition tube (532) is connected to the inner peripheral surface of the limiting ring (31) in a sliding mode along the axial direction of the wiring tube (3).

5. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 2, wherein: one end fixedly connected with go-between (22) that aluminium wiring end (2) is close to wiring pipe (3), go-between (22) peg graft in wiring pipe (3) are close to the one end of aluminium wiring end (2), spacing groove (23) have been seted up on the lateral wall of go-between (22), the one end that wiring pipe (3) are close to aluminium wiring end (2) is provided with stopper (331), stopper (331) with spacing groove (23) cooperate.

6. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 5, wherein: first preliminary positioning groove (24) have been seted up on transition pipe (532) is close to the outer peripheral face of aluminium wiring end (2), second preliminary positioning groove (32) have been seted up on the outer peripheral face that aluminium wiring end (2) leaned on and connect wiring pipe (3), work as first preliminary positioning groove (24) aim at second preliminary positioning groove (32), stopper (331) are aimed at spacing groove (23).

7. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 5, wherein: wire barrel (3) are close to the one end of aluminium wiring end (2) and have been seted up spout (33), difference fixedly connected with limiting plate (336) on the both sides face of stopper (331), limiting plate (336) are followed the radial sliding connection of wire barrel (3) in spout (33), there is push pedal (333) along the radial sliding connection of transition pipe (532) in spout (33), push pedal (333) with the relative inboard of stopper (331) is provided with spring (334), the both ends of spring (334) fixed connection respectively in push pedal (333) with the relative inboard of stopper (331), one side fixedly connected with of stopper (331) is kept away from in push pedal (333) presses briquetting (332), press briquetting (332) run through the inside wall setting that go-between (22) was kept away from in spout (33), and the outer peripheral face setting of protrusion wire barrel (3), two ends of the push plate (333) close to one side of the limit block (331) are respectively and fixedly connected with a push arm (335), and a driving component (34) used for driving the limit block (331) to move towards the direction close to the push plate (333) is arranged between each push arm (335) and the limit block (331).

8. The copper-aluminum composite transition terminal convenient to mount as claimed in claim 7, wherein: each group of driving assemblies (34) comprises a first rack (341), a second rack (344), a vertical shaft (343) and a gear (342), the first rack (341) is fixedly connected to one side, close to the limiting block (331), of the pushing arm (335), the second rack (344) is fixedly connected to one side, close to the pushing arm (335), of the limiting block (331), two ends of the vertical shaft (343) are fixedly connected to two side walls, parallel to each other, of the sliding groove (33) respectively, the gear (342) is rotatably connected to the outer peripheral surface of the vertical shaft (343), and the first rack (341) and the second rack (344) are meshed with the gear (342).

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