CN209948101U

CN209948101U - Torsion terminal

Info

Publication number: CN209948101U
Application number: CN201920872265.9U
Authority: CN
Inventors: 张伦; 郭玉燕
Original assignee: Zhejiang Huiyong Power Equipment Co Ltd
Current assignee: Zhejiang Huiyong Power Equipment Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-01-14
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a torsion terminal, the lateral wall of body is equipped with locating hole one and locating hole two that are linked together with the wiring passageway, all cooperate positioning bolt in locating hole one and the locating hole two, the wiring passageway is including the constant head tank of the thread groove and the bottom that are linked together, be equipped with location portion in the constant head tank, location portion includes that longitudinal section is the locating piece that the round platform form set up and fixes the holding ring on the constant head tank inner wall, be equipped with the card chamber in the locating piece, card chamber opening is located a terminal surface that the cross section is big, be equipped with a plurality of flexure strips on the inner wall in card chamber, the flexure strip all is less than the bayonet socket of card chamber bore towards the diapire direction bending type bore that becomes of card chamber, the holding ring includes bottom ring and a plurality of elastic expansion. The utility model has the characteristics of with the assembly fastness of wire better, promote the service quality of terminal.

Description

Torsion terminal

Technical Field

The utility model relates to a wire and equipment type that continues are connected and are used accessory technical field, and more specifically says, it relates to a torsion terminal.

Background

At present, the torsion terminal used for connection at non-bearing positions of insulated wires, aluminum stranded wires, aluminum-gold stranded wires, steel-cored aluminum stranded wires and copper wires in China generally comprises a pipe body with a wiring channel at one end, the other end of the pipe body is connected with a wire ring and is continuously connected with equipment through the wire ring, a positioning hole communicated with the wiring channel is formed in the side wall of the pipe body, the wires are fastened through a positioning bolt screwed in the positioning hole after being inserted into the pipe body, and the wires are continuously connected with the equipment through the torsion terminal. However, when the torsion terminal with the structure is used for positioning the lead through the positioning bolt, the lead tends to retreat backwards easily along with the screwing of the positioning bolt, so that the pressing position between the torsion terminal and the lead is prone to deviation, the pressing effect is reduced, and the wiring effect is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a with better torsion terminal of wire assembly fastness.

In order to achieve the above purpose, the utility model provides a following technical scheme: a torsion terminal comprises a pipe body, wherein one end of the pipe body is provided with a wiring channel, the other end of the pipe body is provided with a wiring ring, the wiring ring and the pipe body are arranged in an integrated structure, the side wall of the pipe body is provided with a first positioning hole and a second positioning hole which are communicated with the wiring channel, positioning bolts are matched in the first positioning hole and the second positioning hole, the first positioning hole is positioned at one end of the pipe body close to the wiring ring, the second positioning hole is positioned at one end close to the opening of the wiring channel, the first positioning hole and the second positioning hole are staggered, the wiring channel comprises a communicated thread groove and a bottom positioning groove, a positioning part is arranged in the positioning groove and comprises a positioning block with a truncated cone-shaped longitudinal section and a positioning ring fixed on the inner wall of the positioning groove, a clamping cavity is arranged in the positioning block, the, the elastic pieces are bent towards the bottom wall direction of the clamping cavity to form a bayonet with the caliber smaller than that of the clamping cavity, the positioning ring comprises a bottom ring and a plurality of expansion pieces with elasticity, and the expansion pieces are fixed at the middle position of the length of the positioning block through metal points.

The utility model discloses further set up to: the positioning bolt comprises a nut, a screw and a tip part, wherein an annular groove is arranged in the middle of the screw, the screw is divided into a fastening end and a twisting-off end, the cross section of the tip part is gradually decreased from the screw end to the other end, and the longitudinal section of the tip part is arranged in a V shape.

The utility model discloses further set up to: the inner ring wall of the wiring ring is provided with a buffer ring which is arranged in a semicircular ring mode, an elastic rubber block is arranged between the outer wall of the buffer ring and the inner wall of the wiring ring, and the inner wall of the buffer ring is provided with a raised wear-resistant block.

Through adopting above-mentioned technical scheme, the wire inserts and locates the back in the wiring passageway, is fixed a position by location portion earlier, locates the wire card in the card intracavity of locating piece, through the elastic wire chucking, then is screwed up the wiring passageway soon by the positioning bolt cooperation and fixes a position the wire, can promote the fastness of wire and terminal assembly, promotes the service quality of terminal.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention;

FIG. 4 is a schematic view of a retaining ring;

FIG. 5 is a schematic view of the structure of the elastic sheet;

fig. 6 is an enlarged view of a portion a in fig. 1.

1. A pipe body; 10. a wiring channel; 100. A first positioning hole; 101. a second positioning hole; 102. Positioning a groove; 103. a thread groove; 2. a wire connecting ring; 3. positioning the bolt; 30. a nut; 31. a tip portion; 32. an annular groove; 33. a fastening end; 34. twisting off the end; 4. a positioning part; 40. positioning blocks; 400. A card cavity; 401. an elastic sheet; 402. a bayonet; 41. a positioning ring; 410. a bottom ring; 411. an intumescent sheet; 5. A buffer ring; 50. an elastic rubber block; 51. and (7) a wear-resistant block.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 6.

A torsion terminal comprises a tube body 1, wherein one end of the tube body 1 is provided with a wiring channel 10, the other end of the tube body is provided with a wiring ring 2, the wiring ring 2 and the tube body 1 are arranged in an integrated structure, the side wall of the tube body 1 is provided with a first positioning hole 100 and a second positioning hole 101 which are communicated with the wiring channel 10, positioning bolts 3 are respectively matched in the first positioning hole 100 and the second positioning hole 101, the first positioning hole 100 is positioned at one end, close to the wiring ring 2, of the tube body 1, the second positioning hole 101 is positioned at one end, close to the opening of the wiring channel 10, the first positioning hole 100 and the second positioning hole 101 are arranged in a staggered mode, the wiring channel 10 comprises a threaded groove 103 and a positioning groove 102 at the bottom, a positioning part 4 is arranged in the positioning groove 102, the positioning part 4 comprises a positioning block 40 with a truncated cone, card chamber 400 opening is located the big terminal surface of cross section, be equipped with a plurality of flexure strips 401 on the inner wall in card chamber 400, flexure strip 401 all forms the bayonet socket 402 that the bore is less than card chamber 400 bore towards the diapire direction buckling of card chamber 400, holding ring 41 includes bottom ring 410 and a plurality of elastic expansion piece 411 that have, expansion piece 411 passes through the metal point to be fixed at the middle part position of locating piece 40 length.

The positioning bolt 3 comprises a nut 30, a screw rod and a tip part 31, wherein an annular groove 32 is arranged in the middle of the screw rod part to divide the screw rod into a fastening end 33 and a twisting-off end 34, the cross section of the tip part 31 gradually decreases from the screw rod end to the other end, and the longitudinal section of the tip part 31 is arranged in a V shape.

In the wiring passageway 10 of body 1 is worn to locate by the wire, reachs in the constant head tank 102 back, wears to establish in the card chamber 400 of locating piece 40, is equipped with flexure strip 401 in the locating piece 40, and after the wire worn to establish the bayonet 402 that is formed by flexure strip 401, it is inconsistent with the diapire that blocks chamber 400, and flexure strip 401 is inconsistent with the wire outer wall, realizes that the position of wire is tentatively fixed. The wire is then pushed toward the inner wall of the positioning groove 102. The conducting wire is abutted against the positioning block 40 to move, the positioning block 40 and the expansion sheet 411 are fixed only by melting small metal points, and when the positioning block 40 is pushed forcibly, the connection between the positioning block 40 and the expansion sheet 411 is disconnected, so that the movement of the positioning block 40 is facilitated. The positioning block 40 is arranged in a circular truncated cone shape, in the moving process, one end with a small cross section is clamped in the bottom ring 410, and the other end with a large cross section causes the expansion piece 411 to expand, so that the expansion piece 411 is abutted against the inner wall of the positioning groove 102, and the lead is fixed again. The positioning bolt 3 is then assembled, and the end of the wire is already fixed, so that the wire is not displaced to a large extent in the wiring passage 10 when the bolt is screwed. The tip 31 of the positioning bolt 3 will collide with the wire to prevent the wire from shifting after being pressed by the positioning bolt 3. The first positioning hole 100 and the second positioning hole 101 are located at different positions, so that the lead can be fixed from two different angles, and the fixing effect is better. After the positioning bolt 3 is screwed, the twisting-off end 34 on the positioning bolt 3 is disconnected from the fastening end 33 through the arrangement position of the annular groove 32, and the assembly of the positioning bolt 3 is completed.

The inner ring wall of the wire connecting ring 2 is provided with a buffer ring 5 which is arranged in a semicircular ring shape, an elastic rubber block 50 is arranged between the outer wall of the buffer ring 5 and the inner wall of the wire connecting ring 2, and the inner wall of the buffer ring 5 is provided with a raised wear-resistant block 51. The metal steel wire is arranged in the wire connecting ring 2 in a penetrating way and is fixed on the equipment. The wire connection ring 2 is subjected to a large pulling force. Set up buffering ring 5 in wiring ring 2, metal wire in wiring ring 2 with buffering ring 5 direct contact, when receiving energetically pulling, can drive buffering ring 5 and wiring ring 2 and closely laminate, set up elastic rubber piece 50 between buffering ring 5 and the wiring ring 2, can alleviate partly power of pulling, avoid wiring ring 2 to damage when receiving energetically pulling. Meanwhile, the arrangement of the buffer ring 5 increases the thickness of the wiring ring 2, the structural strength of the wiring ring 2 can be improved, and the durability is better.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a torque force terminal, includes the body, and the one end of body is equipped with wiring passageway, and the other end is equipped with the wiring ring, the wiring ring sets up its characterized in that with the body structure as an organic whole: the side wall of the tube body is provided with a first positioning hole and a second positioning hole which are communicated with the wiring channel, positioning bolts are matched in the first positioning hole and the second positioning hole, the first positioning hole is positioned at one end, close to the wiring ring, of the tube body, the second positioning hole is positioned at one end, close to the opening of the wiring channel, the first positioning hole and the second positioning hole are staggered, the wiring channel comprises a threaded groove and a positioning groove at the bottom, which are communicated with each other, a positioning part is arranged in the positioning groove and comprises a positioning block and a positioning ring, the longitudinal section of the positioning block is in a truncated cone shape, the positioning block is provided with a clamping cavity, the opening of the clamping cavity is positioned on one end face with a large cross section, the inner wall of the clamping cavity is provided with a plurality of elastic sheets, the elastic sheets are bent towards the bottom wall direction of the, the expansion sheet is fixed at the middle part of the length of the positioning block through a metal point.

2. A torque terminal according to claim 1, wherein: the positioning bolt comprises a nut, a screw and a tip part, wherein an annular groove is arranged in the middle of the screw, the screw is divided into a fastening end and a twisting-off end, the cross section of the tip part is gradually decreased from the screw end to the other end, and the longitudinal section of the tip part is arranged in a V shape.

3. A torque terminal according to claim 2, wherein: the inner ring wall of the wiring ring is provided with a buffer ring which is arranged in a semicircular ring mode, an elastic rubber block is arranged between the outer wall of the buffer ring and the inner wall of the wiring ring, and the inner wall of the buffer ring is provided with a raised wear-resistant block.