CN205489353U - A power wire clamping device for preventing wire loosening - Google Patents

Abstract

The utility model discloses an electric wire clamping device for preventing the wire from loosening, which comprises a mainframe box, a thread bushing and a wire clamping pipe; a main case opening is formed in one side of the main case; the wire clamping pipe comprises a threaded pipe, a middle pipe, a fixing plate and a wire inlet pipe; the fixing plate is arranged on the outer side of the opening of the host box; the wire inlet pipe is arranged on one side, far away from the main case, of the fixing plate; the threaded pipe is arranged on one side, away from the wire inlet pipe, of the wire clamping pipe; the threaded sleeve is arranged in the mainframe box and is in threaded connection with the threaded pipe; the fixing plate of the utility model is arranged outside the opening of the host case and is fixed by the first fixing screw and the second fixing screw, so as to prevent the loosening of the wire clamping pipe; the wire clamp is arc-shaped, so that the wire can be clamped more conveniently, and the nut is screwed down, so that the wire can be clamped, and the wire cannot be damaged; due to the rotation of the threaded sleeve, the first internal threads can be in threaded connection with the lead, and the lead is guaranteed not to be loosened.

Description

A power wire clamping device for preventing wire loosening

technical field

The utility model relates to electric equipment, in particular to a clamping device for electric wires which prevents the wires from loosening.

Background technique

The equipment clamp is used to connect the down conductor of the busbar to the outlet terminal of the electrical equipment (such as transformer, circuit breaker, transformer, isolating switch, wall bushing, etc.). On the main board, it is fastened by bolt fasteners. Since the main board and the wire are connected by point contact, the contact area between the wire clip and the wire is small, resulting in small friction between the wire clip and the wire, and It is easy to fall off, and power failure accidents often occur, and the damage to the wires is too large, and the safety cannot be guaranteed.

Utility model content

The purpose of this utility model is to provide a power wire clamping device for preventing wire loosening, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A power wire clamping device for preventing wire loosening, comprising a main box, a threaded sleeve and a wire clamping tube; one side of the main box is provided with a main box opening; the wire clamping tube includes a threaded tube, an intermediate tube, a fixed plate and wire inlet pipe; the fixing plate is provided with a first fixing screw hole and a second fixing screw hole; the first fixing screw hole is set above the second fixing screw hole; the first fixing screw hole is set The first fixing screw; the second fixing screw is set in the second fixing screw hole; the fixing plate is arranged on the outside of the main box opening; the inlet pipe is arranged on the side of the fixing plate away from the main box; the threaded pipe It is arranged on the side of the wire clamping pipe away from the line inlet pipe; the outer surface of the threaded pipe is provided with external pipe threads; the threaded sleeve is arranged inside the main box and is threadedly connected with the threaded pipe; the threaded sleeve includes a first internal thread and the second internal thread; the second internal thread is arranged on the inner surface of the threaded sleeve near the side of the threaded pipe, and the second internal thread is matched with the external thread of the pipe; the other side of the inner surface of the threaded sleeve is provided with the first internal thread thread.

As a further solution of the utility model: the inlet pipe includes a third nut, a third bolt and a third wire clamp; the third nut is arranged on the outer surface of the inlet pipe; the third bolt is arranged on the wire inlet pipe Inside: the third wire clamp is arranged under the third bolt, and the third wire clamp is fixedly connected with the third bolt.

As a further solution of the utility model: the intermediate pipe includes a first nut, a first bolt, a first wire clamp, a second nut, a second bolt and a second wire clamp; the first nut is arranged outside the intermediate pipe the left side of the surface; the first bolt is arranged inside the middle tube, and the first nut and the first bolt cooperate with each other; the first wire clamp is arranged under the first bolt, and the first wire clamp is fixedly connected with the first bolt; The second nut is arranged on the right side of the outer surface of the intermediate pipe; the second bolt is arranged inside the intermediate pipe, and the second nut and the second bolt cooperate with each other; the second wire clamp is arranged under the second bolt, and the second wire The clip is fixedly connected with the second bolt.

Compared with the prior art, the beneficial effects of the utility model are:

The fixing plate of the utility model is arranged on the outside of the main box opening, and is fixed by the first fixing screw and the second fixing screw to prevent the loosening of the wire clamping tube; the wire clamp is arc-shaped, which is more conducive to clamping the wire and tightening the nut. Just can carry out clamping to wire, also can not cause harm to wire, there are three such devices, can carry out complete clamping to wire; Due to the rotation of threaded sleeve, the first inner thread can be threadedly connected with wire, guarantee that wire does not will loosen.

Description of drawings

Fig. 1 is a structural schematic diagram of a power wire clamping device for preventing wire loosening.

Fig. 2 is a structural schematic diagram of a threaded sleeve in a clamping device for preventing wires from loosening.

Fig. 3 is a structural schematic diagram of a wire clamping tube in a power wire clamping device for preventing wire loosening.

In the figure: 1-main box, 2-thread sleeve, 3-wire, 4-first fixing screw, 5-main box opening, 6-wire clamping tube, 7-second fixing screw, 8-first internal thread , 9-Second internal thread, 10-Pipe external thread, 11-First nut, 12-First bolt, 13-First wire clamp, 14-Second nut, 15-Second bolt, 16-First fixing Screw hole, 17-second wire clamp, 18-third bolt, 19-third nut, 20-third wire clamp, 21-inlet tube, 22-second fixing screw hole, 23-intermediate tube, 24- Threaded pipe, 25 - fixed plate.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Figure 1-3, a power wire clamping device for preventing wire loosening, including a main box 1, a threaded sleeve 2 and a wire clamping tube 6; The wiring port; the wire clamping tube 6 includes a threaded tube 24, an intermediate tube 23, a fixing plate 25 and an inlet tube 21; the fixing plate 25 is provided with a first fixing screw hole 16 and a second fixing screw hole 22 The first fixing screw hole 16 is arranged above the second fixing screw hole 22; the first fixing screw 4 is set in the first fixing screw hole 16; the second fixing screw 7 is set in the second fixing screw hole 22 The fixed plate 25 is arranged on the outside of the main box opening 5, fixed by the first fixed screw 4 and the second fixed screw 7 to prevent the loosening of the wire clamping tube 6; the inlet pipe 21 is arranged on the fixed plate 25 One side away from the main chassis 1; the inlet pipe 21 includes a third nut 19, a third bolt 18 and a third wire clamp 20; the third nut 19 is arranged on the outer surface of the inlet pipe 21; the third bolt 18 is arranged inside the inlet pipe 21, and the third nut 19 cooperates with the third bolt 18; the third wire clamp 20 is arranged under the third bolt 18, and the third wire clamp 20 is fixedly connected with the third bolt 18. The three wire clamps 20 are arc-shaped, which is more conducive to clamping the wire 3, and the wire 3 can be clamped by tightening the third nut 19 without causing damage to the wire 3; the intermediate pipe 23 includes the first nut 11, The first bolt 12, the first wire clamp 13, the second nut 14, the second bolt 15 and the second wire clamp 17; the first nut 11 is arranged on the left side of the outer surface of the middle tube 23; the first bolt 12 is arranged Inside the intermediate pipe 23, the first nut 11 and the first bolt 12 cooperate with each other; the first wire clamp 13 is arranged below the first bolt 12, and the first wire clamp 13 is fixedly connected with the first bolt 12; The nut 14 is arranged on the right side of the outer surface of the middle pipe 23; the second bolt 15 is arranged inside the middle pipe 23, and the second nut 14 cooperates with the second bolt 15; the second wire clamp 17 is arranged on the second bolt 15 Below, the second wire clamp 17 is fixedly connected with the second bolt 15; the threaded pipe 24 is arranged on the side of the wire clamping pipe 6 away from the inlet pipe 21; the outer surface of the threaded pipe 24 is provided with an external pipe thread 10; The threaded sleeve 2 is arranged inside the main box and is threadedly connected with the threaded pipe 24; the threaded sleeve 2 includes a first internal thread 8 and a second internal thread 9; the second internal thread 9 is arranged on the side close to the threaded pipe 24 The inner surface of the threaded sleeve 2, the second internal thread 9 is matched with the pipe external thread 10; the other side of the inner surface of the threaded sleeve 2 is provided with a first internal thread 8, due to the rotation of the threaded sleeve 2, the first internal thread 8 It can be threaded with the wire 3 to ensure that the wire 3 will not loosen.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation, and within the knowledge of those of ordinary skill in the art, it can also be made without departing from the purpose of this patent. Variations.

Claims (3)

1. A power wire clamping device for preventing wires from loosening, comprising a main box, a threaded sleeve and a wire clamping tube; it is characterized in that, one side of the main box is provided with a main box opening; the wire clamping tube includes a threaded pipe, intermediate pipe, fixing plate and wire inlet pipe; the fixing plate is provided with a first fixing screw hole and a second fixing screw hole; the first fixing screw hole is arranged above the second fixing screw hole; the second fixing screw hole A first fixing screw is arranged in a fixing screw hole; a second fixing screw is arranged in the second fixing screw hole; the fixing plate is arranged on the outside of the main box opening; side; the threaded pipe is arranged on the side of the wire clamping pipe away from the inlet pipe; the outer surface of the threaded pipe is provided with external pipe threads; the threaded sleeve is arranged inside the main box and is threadedly connected with the threaded pipe; the thread The sleeve includes a first internal thread and a second internal thread; the second internal thread is arranged on the inner surface of the threaded sleeve near the side of the threaded pipe, and the second internal thread matches the external thread of the pipe; the other inner surface of the threaded sleeve The side is provided with a first internal thread. 2. The power wire clamping device for preventing wire loosening according to claim 1, wherein the wire inlet tube includes a third nut, a third bolt and a third wire clamp; the third nut is arranged at the inlet The outer surface of the wire pipe; the third bolt is arranged inside the wire inlet pipe; the third wire clip is arranged under the third bolt, and the third wire clip is fixedly connected to the third bolt. 3. The electric wire clamping device for preventing wire loosening according to claim 1, wherein the intermediate pipe comprises a first nut, a first bolt, a first wire clamp, a second nut, a second bolt and a first Two wire clips; the first nut is arranged on the left side of the outer surface of the middle tube; the first bolt is arranged inside the middle pipe, and the first nut and the first bolt cooperate with each other; the first wire clip is arranged on the first bolt Below, the first wire clamp is fixedly connected with the first bolt; the second nut is arranged on the right side of the outer surface of the middle pipe; the second bolt is arranged inside the middle pipe, and the second nut and the second bolt cooperate with each other; The second wire clamp is arranged under the second bolt, and the second wire clamp is fixedly connected with the second bolt.