Torsion splicing sleeve

By introducing a hexagonal groove and a slanted spring plate structure into the torque connector, the problem of difficult wire disassembly caused by the breakage of the torque bolt head is solved, thus achieving convenient wire disassembly and good electrical conductivity connection.

CN224097398UActive Publication Date: 2026-04-07ZHEJIANG SUNJ ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing torque coupling is difficult to disassemble because the torque bolt head breaks during disassembly.

Method used

The design incorporates a hexagonal slot and a beveled spring structure. The hexagonal slot is used for disassembly with an internal hex wrench, while the beveled spring secures the wire to prevent separation and ensures that the wire remains in contact with the separator.

Benefits of technology

It enables convenient wire disassembly and good conductive connection, avoiding poor conductivity caused by wire separation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a torsion splicing sleeve which comprises a sleeve body, a plurality of threaded holes distributed on the outer side of the sleeve body in a staggered mode and torque bolts installed in the threaded holes, wiring holes are symmetrically formed in the sleeve body, each torque bolt comprises a threaded part in threaded connection with the interior of the corresponding threaded hole, a hexagonal groove is formed in one end of each threaded part, and the other end of each threaded part is provided with a nut. The bottom of the inner wall of the hexagonal groove is provided with a twist-off part, one end of the twist-off part is connected with a head part, and the inner wall of the wiring hole is provided with an inclined elastic sheet. According to the utility model, through the arrangement of the hexagonal groove, after the head part of the torque bolt is twisted off, the thread part can be rotated through an internal hexagonal wrench, so that the subsequent disassembly of a lead is facilitated; and the arranged inclined elastic sheet has a fixing effect on the wires and prevents the wires from moving outwards, so that the wires are always kept in a contact state with the separation part before the torque bolt is screwed in, the separation condition is avoided, and the electric conduction between the two wires is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power fittings technical field, concretely is a torsion joint pipe. BACKGROUND

[0002] Torsion joint pipe is a connecting device, mainly used for wire joint, has good mechanical property and electrical property, can keep stable connection state under the severe environmental condition, and it is usually connected using torque bolt.

[0003] The existing torsion joint pipe is connected through the electric tool and is tightened to the head of torque bolt to break, so as to guarantee the compactness and reliability of connection, however, when the wire needs to be disassembled subsequently, the remaining part of torque bolt is difficult to disassemble due to the head of torque bolt breaking, thereby leading to the difficulty of wire disassembly. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a torsion joint pipe to solve the problems in the above background technology.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a torsion joint pipe, including pipe body, a plurality of staggered distribution screw holes in the outer side of pipe body and torque bolt installed in screw hole, the inside of pipe body is opened to the symmetry and is equipped with wiring hole, torque bolt includes threaded connection in screw hole threaded part, one end of threaded part is equipped with hexagonal groove, the bottom of hexagonal groove inner wall is equipped with torsional break part, one end of torsional break part is connected with head, the inner wall of wiring hole is equipped with inclined elastic sheet.

[0006] As a preferred scheme of the utility model, the inner side wall of wiring hole is equipped with a plurality of annular equidistant distribution convex teeth, and the convex teeth are spaced along the length direction of pipe body.

[0007] As a preferred scheme of the utility model, the torsional break part is the circular truncated cone structure.

[0008] As a preferred scheme of the utility model, the middle part of pipe body inside is equipped with the partition, and the partition is located between two wiring holes.

[0009] As a preferred scheme of the utility model, the wiring hole is communicated with adjacent screw hole.

[0010] Compared with the prior art, the utility model discloses the beneficial effect is: the hexagonal groove that the utility model discloses is set, make after the head of moment bolt twist broken, can rotate to the screw portion through the internal hexagonal spanner, in order to facilitate the disassembly of subsequent conductor, and the fixed effect is played to the conductor through the setting of the inclined elastic sheet, blocks the outward movement of the conductor, to ensure that before the moment bolt is screwed in, the conductor always keeps the contact state with the separation portion, avoids the separation situation, makes the good conduction between two conductors. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0012] Figure 2 It is the structure schematic diagram of the utility model moment bolt head broken;

[0013] Figure 3 It is the three-dimensional sectional view of the utility model;

[0014] Figure 4 It is the structure schematic diagram of the utility model pipe body;

[0015] Figure 5 It is the sectional view of the utility model;

[0016] Figure 6 It is the structure schematic diagram of the utility model moment bolt;

[0017] Figure 7 It is the sectional view of the utility model moment bolt.

[0018] In the drawing: 1, pipe body;2, moment bolt;21, screw portion;22, head;23, twist broken part;24, hexagonal groove;3, wiring hole;4, lugs;5, separation portion;6, inclined elastic sheet;7, threaded hole. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figures 1 to 7The utility model provides a technical scheme: a torsion connecting pipe, including pipe body 1, a plurality of staggered distribution is in the pipe body 1 outside screw hole 7, and the moment bolt 2 of installation in screw hole 7, the inside symmetry of pipe body 1 is equipped with the wiring hole 3, the moment bolt 2 includes the threaded portion 21 of screwing in screw hole 7, the threaded portion 21 one end is equipped with hexagonal groove 24, when the moment bolt 2 is tightened, the head 22 passes through torsional break 23 and breaks, if the subsequent need dismounts the conductor, can the internal hexagonal spanner is inserted into hexagonal groove 24, make threaded portion 21 rotate and separate with screw hole 7, subsequently dismounts the conductor, the bottom of the inner wall of hexagonal groove 24 is equipped with torsional break 23, one end of torsional break 23 is connected with head 22, the inner wall of wiring hole 3 is equipped with inclined elastic sheet 6, inclined elastic sheet 6 has certain elasticity, when the conductor is inserted towards the wiring hole 3, inclined elastic sheet 6 will be extruded by the conductor, and the deformation in the direction close to the inner wall of wiring hole 3 occurs, at this moment, the inclined elastic sheet 6 will not block the movement of the conductor, when the conductor has the tendency of moving outward, the inclined elastic sheet 6 deforms in the direction away from the inner wall of the wiring hole 3, so it will block the outward movement of the conductor, to ensure that the conductor always maintains contact with the partition 5 before the moment bolt 2 is screwed in, to avoid separation and cause poor conduction between the two conductors.

[0021] Wherein, the inner wall of wiring hole 3 is provided with a plurality of annular equidistant distribution of the teeth 4, the teeth 4 can increase the friction between the conductor, ensure that the conductor is connected firmly, avoid the conductor slip, and the teeth 4 are spaced along the length direction of pipe body 1.

[0022] Wherein, the torsional break 23 is a circular truncated cone structure, the large end surface of the torsional break 23 is connected with the head 22, and the small end surface of the torsional break 23 is connected with the threaded portion 21, when the moment bolt 2 is broken, it will be disconnected from the connection between the torsional break 23 and the threaded portion 21.

[0023] Wherein, the middle part of the inside of the pipe body 1 is provided with a partition 5, when the conductor is inserted into the wiring hole 3 and fixed, one end of the two conductors will contact with the partition 5, the partition 5 plays a role in conducting electricity to ensure good conduction between the two conductors, and the partition 5 is located between the two wiring holes 3.

[0024] Wherein, the wiring hole 3 is communicated with the adjacent screw hole 7, so that the threaded portion 21 can compress the conductor.

[0025] Specific, when making connection, one end of two wires is inserted into two wire holes 3 respectively until the end of the wire is in contact with the separation part 5 and cannot move, the inclined elastic piece 6 plays a fixing role on the wire, blocks the movement of the wire outward, ensures that the wire and the separation part 5 maintain the contact state, then the torque bolt 2 is screwed into the threaded hole 7, the torque bolt 2 is tightened by using the electric tool through the head 22, until the torsional break part 23 is disconnected with the threaded part 21, at this time, the threaded part 21 presses the wire and fixes the wire, if the wire needs to be disassembled subsequently, the hexagonal socket 24 is inserted into the hexagonal socket 24 by using the hexagonal socket 24, so that the threaded part 21 is rotated, the threaded part 21 is separated from the threaded hole 7, and then the wire can be disassembled.

[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation of the utility model.

[0027] In addition, the terms "first", "second", "third", "fourth" are only for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0028] In the utility model, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the above-mentioned terms in the utility model by the person skilled in the art.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A torque coupling pipe, comprising a pipe body (1), a plurality of staggered threaded holes (7) distributed on the outer side of the pipe body (1), and torque bolts (2) installed in the threaded holes (7), wherein the pipe body (1) is provided with symmetrical wiring holes (3), characterized in that: The torque bolt (2) includes a threaded portion (21) threaded into a threaded hole (7). One end of the threaded portion (21) is provided with a hexagonal groove (24). The bottom of the inner wall of the hexagonal groove (24) is provided with a torn-off portion (23). One end of the torn-off portion (23) is connected to a head (22). The inner wall of the wiring hole (3) is provided with a slanted spring piece (6).

2. The torque coupling pipe according to claim 1, characterized in that: The inner wall of the wiring hole (3) is provided with a plurality of convex teeth (4) distributed in an annular pattern at equal intervals, and the convex teeth (4) are distributed at intervals along the length direction of the tube body (1).

3. The torque coupling pipe according to claim 1, characterized in that: The twisted part (23) has a frustum structure.

4. The torque coupling pipe according to claim 1, characterized in that: The tube body (1) has a partition (5) in the middle, which is located between two wiring holes (3).

5. A torque coupling pipe according to claim 1, characterized in that: The wiring hole (3) is connected to the adjacent threaded hole (7).