CN221102464U - Junction nose convenient to dismouting - Google Patents

Abstract

The utility model discloses a connecting nose convenient to disassemble and assemble, which comprises a wire nose body, a first threaded hole, a sleeve and a connecting pipe, wherein the first threaded hole, the sleeve and the connecting pipe are arranged on the wire nose body, the wire nose body is provided with a blind hole, the blind hole is provided with a first threaded groove, the sleeve is provided with a threaded connecting column and is mutually embedded and connected with the first threaded hole, so that the sleeve is fixedly connected with the wire nose body, the sleeve is provided with a plurality of abdicating grooves by taking an axle center as a round point, the connecting pipe is sleeved on the outer side of the sleeve, the connecting pipe is provided with a baffle ring, and the outer wall of the connecting pipe is provided with an O-shaped sealing ring and is abutted against the baffle ring. According to the utility model, the first threaded hole is mutually embedded and connected with the threaded connecting column, the first threaded groove is mutually embedded and connected with the second threaded groove, the cable connection and fixation are ensured, the O-shaped sealing ring ensures the connection tightness of the connecting pipe and the wire nose body, and the disassembly of the cable can be completed only by disassembling the connecting pipe, so that the product has the advantages of water resistance, convenience in disassembly, reliability in fixation and the like.

Description

Junction nose convenient to dismouting

Technical Field

The utility model relates to the technical field of cable connection accessories, in particular to a junction nose convenient to disassemble and assemble.

Background

A terminal lug is an accessory product for making electrical connection, and is commonly used for connection and splice connection of cable ends. The connection between the cable and the electric appliance can be firmer and safer by using the connection nose, and the connection plug is a common part for building, power equipment, electric appliance connection and the like. The lug typically includes a connecting tab and a connecting tube, and when connected, connects the connecting tab to the electrical appliance, installs the cable into the connecting tube, and then uses an electric crimping tool or a manual crimping tool to crimp the tube wall, collapsing the tube wall until the cable is crimped.

However, when the electric wire pressing pliers or the manual wire pressing pliers are used for excessively large force, the cable is broken, the operation is inconvenient, the fixed wire pressing pliers can be used once and cannot be reused, the power cable is frequently moved according to the requirements of a working place and the working environment in a mine working environment, when the power cable is used in a new installation place, the size and the installation size of the switch are inconsistent, the problem that the nose is too large to install or the nose is too small to install and is not firm is caused, the old wire pressing pliers are required to be cut off again, the new wire pressing pliers are installed, the cable and the wire pressing pliers are wasted, meanwhile, the labor intensity is increased for workers, the existing wire pressing pliers are not provided with waterproof measures, underground water is mined in the mining process, the water is easy to enter between the cable and the wire pressing pliers, the wire pressing pliers are heated, and the situation of short circuit is seriously caused.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional wiring arm design and provides a waterproof, convenient to assemble and disassemble and reliable to fix product.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a wiring nose convenient to dismouting, includes line nose body, and sets up first screw hole, sleeve, the connecting pipe of line nose body, line nose body is equipped with the blind hole, the blind hole is equipped with first thread groove, the sleeve is equipped with the threaded connection post to mutually gomphosis with first screw hole is connected, makes sleeve and line nose body coupling fixed, the sleeve uses the axle center to be equipped with a plurality of recess of stepping down for the dot, the connecting pipe cup joints in the sleeve outside, the connecting pipe is equipped with the baffle ring, the connecting pipe outer wall is equipped with O type sealing washer, and the butt baffle ring, the connecting pipe outer wall is equipped with the second thread groove to mutually gomphosis with first thread groove is connected fixedly, makes O type sealing washer butt blind hole terminal surface, connecting pipe inwards extrude the sleeve pipe, makes the inside fixed cable that contracts of sleeve.

Preferably, the nose body is provided with a first nut, the first nut is provided with a cylinder, and the blind hole is formed in the cylinder.

Preferably, the threaded connection post is provided with a second nut and abuts against an end face of the sleeve.

Preferably, the inside of the connecting pipe is hollow, the shape of the outer wall of the hollow and the sleeve is conical, and the diameter of the entrance of the hollow into the sleeve is large, and the diameter of the outer wall of the cable entrance of the sleeve is small.

Preferably, a third nut is arranged on the outer wall of the connecting pipe, and an extension pipe is arranged on the end face of the third nut.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the first threaded holes and the threaded connecting columns are mutually embedded and connected and fixed, so that the sleeve and the connecting pipe can be replaced with different diameters, the diameters of the cables can be conveniently adapted, the replacement of different cables can be completed without replacing the cable nose body, the cable nose body can be reused, and the resource waste is avoided; the first thread groove and the second thread groove are mutually embedded, connected and fixed, and the conical design of the outer wall of the sleeve is matched with the conical design of the hollow inner wall, so that the more the connecting pipe is close to the bottom of the blind hole, the larger the extrusion force inwards applied by the connecting pipe is, the larger the inwards shrinking force of the sleeve is, and the cable and the sleeve are further ensured to be connected and fixed; after the connecting pipe butt blind hole's bottom, O type sealing washer also butt cylinder terminal surface prevents that water from getting into connecting pipe and sleeve joint gap department, and the naked electrically conductive position of extension tube protection cable is splashed by the water droplet, makes the product have waterproof, easy dismounting, fixed reliable advantage.

Drawings

FIG. 1 is a schematic view of a junction box with easy disassembly and assembly;

FIG. 2 is a schematic side sectional view of a junction box of the present utility model which is easy to be assembled and disassembled;

FIG. 3 is an exploded view of a lug for easy disassembly in accordance with the present utility model;

The correspondence between the reference numerals and the component names in the drawings is as follows:

Reference numerals: 1. a wire nose body; 2. a sleeve; 3. a connecting pipe; 11. a first threaded hole; 12. a blind hole; 13. a first thread groove; 14. a first nut; 15. a column; 21. a threaded connection post; 22. a relief groove; 23. a second nut; 31. a baffle ring; 32. an O-shaped sealing ring; 33. a second thread groove; 34. hollow; 35. a third nut; 36. and (5) extending the pipe.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 3, a connection nose convenient to disassemble and assemble comprises a wire nose body 1, a first threaded hole 11, a sleeve 2 and a connecting pipe 3, wherein the first threaded hole 11, the sleeve 2 and the connecting pipe 3 are arranged on the wire nose body 1, the wire nose body 1 is provided with a blind hole 12, the blind hole 12 is provided with a first threaded groove 13, the sleeve 2 is provided with a threaded connecting column 21 and is mutually embedded and connected with the first threaded hole 11, the sleeve 2 is fixedly connected with the wire nose body 1, the sleeve 2 is provided with a plurality of relief grooves 22 by taking an axle center as a round point, the connecting pipe 3 is sleeved outside the sleeve 2, the connecting pipe 3 is provided with a baffle ring 31, the outer wall of the connecting pipe 3 is provided with an O-shaped sealing ring 32, and is abutted against the baffle ring 31, the outer wall of the connecting pipe 3 is provided with a second threaded groove 33 and is mutually embedded and connected with the first threaded groove 13, so that the O-shaped sealing ring 32 is abutted against the end face of the blind hole 12, and the connecting pipe 3 is inwards extruded by the sleeve, and a cable is inwards contracted and fixed by the sleeve 2.

It should be noted that the wire nose body 1 is provided with a first nut 14, the first nut 14 is provided with a cylinder 15, the blind hole 12 is arranged on the cylinder 15, the first nut 14 is convenient for a wiring person to borrow force from the wire nose body by means of a tool, the wire nose body 1 is convenient to rotate, and the cylinder 15 is matched with the blind hole 12 for use;

It should be noted that the threaded connection column 21 is provided with a second nut 23, and abuts against the end face of the sleeve 2, and the second nut 23 is convenient for a wiring person to borrow force from the threaded connection column 21 by using a tool, so that the threaded connection column 21 can be rotated conveniently;

It is worth mentioning that the inside of the connecting pipe 3 is provided with a hollow 34, the shape of the hollow 34 and the outer wall of the sleeve 2 is provided with a cone shape, the diameter of the hollow 34 at the inlet of the sleeve 2 is large, the diameter of the outer wall of the cable inlet of the sleeve 2 is small, the diameter of the hollow 34 at the inlet of the sleeve 2 is large, the connecting pipe 3 is convenient to enter the sleeve 2, and the sleeve 2 is gradually retracted along with the approaching of the end face of the connecting pipe 3 and the bottom of the blind hole 12, and the diameter of the outer wall of the cable inlet of the sleeve 2 is small for central control;

It should be noted that the outer wall of the connecting pipe 3 is provided with a third nut 35, the end face of the third nut 35 is provided with an extension pipe 36, the third nut 35 is convenient for a wiring person to borrow force to the third nut by means of a tool, and the extension pipe 36 protects exposed conductive parts of the cable from being splashed by water drops.

The principle of use of the utility model will now be described as follows:

The threaded connection column 21 is rotated to the first threaded hole 11, two wrenches can be used, one wrench is in contact with the first nut 14 and plays a supporting role, and the other wrench is rotated after being in contact with the second nut 23 until the threaded connection column 21 abuts against the end face of the first threaded hole 11, so that the threaded connection column 21 is tightly connected with the first threaded hole 11;

The connecting pipe 3 passes through the cable, the exposed part of the cable is placed in the sleeve 2, the connecting pipe 3 is pushed to enter the sleeve 2, the connecting pipe 3 is rotated, the second thread groove 33 and the first thread groove 13 are mutually embedded and connected, the conical design of the hollow 34 is along with the fact that the end face of the connecting pipe 3 is closer to the bottom of the blind hole 12, the conical design of the outer wall of the sleeve 2 is matched, the extrusion force applied to the sleeve 2 is larger, the sleeve 2 is further contracted inwards, the gap between the yielding grooves 22 is shortened, one spanner is in contact with the first nut 14 and plays a supporting role, the other spanner is in contact with the third nut 35, the third nut 35 is rotated until the connecting pipe 3 is abutted to the bottom of the blind hole 12, and after the O-shaped sealing ring 32 is abutted to the end face of the cylinder 15, the fixing of the cable 3 and the sealing performance of the sleeve 2 are ensured.

Through the design scheme, the waterproof, convenient and reliable disassembly and assembly of the product can be realized.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (5)

1. The utility model provides a wiring nose convenient to dismouting, includes line nose body (1), and sets up first screw hole (11), sleeve (2), connecting pipe (3) of line nose body (1), its characterized in that: the novel wire nose is characterized in that the wire nose body (1) is provided with a blind hole (12), the blind hole (12) is provided with a first thread groove (13), the sleeve (2) is provided with a thread connecting column (21) and is mutually embedded and connected with the first thread hole (11), the sleeve (2) is fixedly connected with the wire nose body (1), the sleeve (2) is provided with a plurality of abdicating grooves (22) by taking an axle center as a round point, the connecting pipe (3) is sleeved outside the sleeve (2), the connecting pipe (3) is provided with a baffle ring (31), the outer wall of the connecting pipe (3) is provided with an O-shaped sealing ring (32), and the abutting baffle ring (31), the outer wall of the connecting pipe (3) is provided with a second thread groove (33) and is mutually embedded and connected and fixed with the first thread groove (13), so that the O-shaped sealing ring (32) abuts against the end face of the blind hole (12) and the connecting pipe (3) inwards extrudes the sleeve, and the sleeve (2) inwards contracts and fixes a cable.

2. The lug for easy disassembly and assembly according to claim 1, wherein: the wire nose body (1) is provided with a first nut (14), the first nut (14) is provided with a cylinder (15), and the blind hole (12) is arranged on the cylinder (15).

3. The lug for easy disassembly and assembly according to claim 1, wherein: the threaded connection column (21) is provided with a second nut (23) and abuts against the end face of the sleeve (2).

4. The lug for easy disassembly and assembly according to claim 1, wherein: the inside of connecting pipe (3) sets up to cavity (34), sleeve (2) outer wall's shape sets up to the toper, and cavity (34) get into the entrance diameter of sleeve (2) big, the outer wall diameter of the cable entrance of sleeve (2) is little.

5. The lug for easy disassembly and assembly according to claim 1, wherein: the outer wall of the connecting pipe (3) is provided with a third nut (35), and the end face of the third nut (35) is provided with an extension pipe (36).