CN206697619U - The connection joint of coiling can be avoided - Google Patents

Abstract

The utility model belongs to the electrical field, in particular to a wiring joint which can avoid winding, comprising a No. The inside of the inner cylinder is provided with a No. 2 metal sleeve. One end of the No. 2 metal sleeve is welded with a copper column, and the other end of the No. 2 metal sleeve is placed on one end of a cable and electrically connected to its core. The No. 2 metal The diameter of the sleeve is greater than the inner diameter of the hole for the cable to enter and exit at one end of the joint inner cylinder. The quick connection of two cables is realized through the outer cylinder of the connector and the inner cylinder of the connector. It is also suitable for the power cord connection of various manual equipment. It can solve the problem of cable knotting and entanglement in time, protect the cable, and have a long service life. .

Description

Wire splices to avoid wire twisting

technical field

The utility model relates to the electrical field, in particular to a connection joint which can avoid wire winding.

Background technique

In the production process of existing electric tools, one end of the power cord is reserved for the convenience of external power supply. However, the power cords reserved for general power tools are fixed length and non-detachable. During use and storage, the cords will be knotted or entangled, which is very troublesome. Such as brushless angle grinders, when grinding for a long time, the wires will become knotted or tangled. Or the wire length of the machine is not enough.

Utility model content

The purpose of the utility model is to solve the above problems and provide a connection joint which can avoid wire winding.

In order to achieve the above purpose, the utility model adopts the following technical solutions: the wiring joint that can avoid winding, including the No. 1 metal sleeve, the joint outer cylinder, the No. The inside of the inner cylinder of the joint is provided with a No. 2 metal sleeve, one end of the No. 2 metal sleeve is welded with a copper column, and the other end of the No. 2 metal sleeve is placed on one end of a cable and electrically connected to its core. The diameter of the No. 1 metal sleeve is larger than the inner diameter of the hole for cable entry and exit at one end of the inner cylinder of the joint; a No. 1 metal sleeve is arranged inside the outer cylinder of the joint, and a copper sleeve is welded on the surface of one end of the No. 1 metal sleeve. The inner diameter of the copper sleeve is It is equal to the outer diameter of the copper column, and the other end of the No. 1 metal sleeve is sleeved on one end of the other cable and electrically connected to its core. The diameter of the No. 1 metal sleeve is larger than the diameter of the hole for the cable to enter and exit at the end of the outer cylinder of the joint. Inner diameter, the inner wall of the joint outer cylinder is provided with internal threads, the outer wall of the joint inner cylinder is provided with external threads, the joint inner cylinder is threadedly connected to the joint outer cylinder, and the copper column is inserted into the copper sleeve.

In the above-mentioned wiring joint that can avoid winding, a plurality of protrusions are integrally formed on the inner wall of the inner cylinder of the joint, and the shortest distance between the protrusions and the outer surface of the copper column is equal to the thickness of the copper sleeve. The protrusion presses the copper sleeve.

In the above-mentioned wiring joint that can avoid winding, a rubber sealing ring is provided between the other end of the inner cylinder of the joint and the No. 1 metal sleeve in the outer cylinder of the joint, and the rubber sealing ring is squeezed through the inner cylinder of the joint.

In the above-mentioned wiring joint that can avoid winding, the surface of one end of the outer cylinder of the joint and the inner cylinder of the joint is fixedly provided with a bolt ring, and the iron wire is passed between the bolt rings on the surface of the outer cylinder of the joint and the inner cylinder of the joint. connect.

In the above-mentioned wiring joint that can avoid winding, the inner and outer surfaces of the joint outer cylinder and the joint inner cylinder are coated with a layer of flame retardant layer.

Compared with the existing technology, the advantage of the wiring joint that can avoid winding is that when using it, it is only necessary to cut off the electrical wire from the machine, and then connect the outer cylinder of the joint and the inner cylinder of the joint respectively. , Just disconnect the connector and "pull back". If the length of the wire is not enough, then configure the same type of wire.

The utility model realizes the fast connection of two cables through the outer cylinder of the joint and the inner cylinder of the joint. It is suitable for the power cord connection of various manual equipment, and can solve the problem of cable knotting and winding in time, protect the cable, and extend the service life of the cable. Long; this utility model makes it easy to disassemble and connect the power cord of the equipment, and there is no need to reserve it when arranging the wires.

Description of drawings

Fig. 1 is the structural representation of wiring joint of the present utility model;

Fig. 2 is a schematic structural view of the joint outer cylinder of the present invention;

Fig. 3 is a schematic structural view of the joint inner cylinder of the present invention.

In the figure: 1 cable, 2 No. 1 metal sleeve, 3 Joint outer cylinder, 4 protrusion, 5 No. 2 metal sleeve, 6 Joint inner cylinder, 7 Copper column, 8 Copper sleeve, 9 Flame-retardant layer, 10 Rubber Seal ring, 11 bolt ring, 12 internal thread, 13 external thread.

detailed description

The following examples are for illustrative purposes only, and are not intended to limit the scope of the present invention.

Example

As shown in Figure 1-3, the wiring joint that can avoid winding of the utility model includes a cable 1, a No. 1 metal sleeve 2, a joint outer cylinder 3, a protrusion 4, a No. 2 metal sleeve 5, and a joint inner cylinder. Body 6, copper column 7, copper sleeve 8, flame retardant layer 9, rubber sealing ring 10, bolt ring 11, internal thread 12 and external thread 13, the inside of the joint inner cylinder 6 is provided with a No. 2 metal sleeve 5, One end of the No. 2 metal sleeve 5 is welded with a copper column 7, and the other end of the No. 2 metal sleeve 5 is sleeved on one end of a cable 1 and electrically connected to its core. The diameter of the No. 2 metal sleeve 5 is larger than the inner cylinder of the joint. The inner diameter of the hole for the cable 1 to enter and exit at one end of the body 6;

The inside of the joint outer cylinder 3 is provided with a No. 1 metal sleeve 2, and a copper sleeve 8 is welded on the surface of one end of the No. 1 metal sleeve 2. The inner diameter of the copper sleeve 8 is equal to the outer diameter of the copper column 7, and the No. 1 metal sleeve 2 The other end is sleeved on one end of another cable 1 and electrically connected to its core. The diameter of the No. 1 metal sleeve 2 is larger than the inner diameter of the hole for the cable 1 to enter and exit at one end of the connector outer cylinder 3 .

The inner wall of the joint outer cylinder 3 is provided with internal threads 12, the outer wall of the joint inner cylinder 6 is provided with external threads 13, the joint inner cylinder 6 is threadedly connected to the joint outer cylinder 3, and the copper column 7 is inserted into the copper Set 8, in order to achieve electrical connection.

The inner wall of the joint inner cylinder 6 is integrally formed with a plurality of protrusions 4, the shortest distance between the protrusions 4 and the outer surface of the copper column 7 is equal to the thickness of the copper sleeve 8, and the copper sleeve is pressed by the plurality of protrusions 4 8. Avoid loosening of the copper sleeve 8 caused by frequent plugging and unplugging.

A rubber sealing ring 10 is arranged between the other end of the joint inner cylinder 6 and the No. 1 metal sleeve 2 in the joint outer cylinder 3, and the rubber sealing ring 10 is squeezed through the joint inner cylinder 6, so that the No. 1 metal sleeve 2 It acts as a seal while being compressed.

One end surface of the joint outer cylinder 3 and the joint inner cylinder 6 is fixedly provided with a bolt ring 11, and the joint outer cylinder 3 and the joint inner cylinder 6 are connected by iron wires to ensure the stability of the connection. sex.

Both the inner and outer surfaces of the joint outer cylinder 3 and the joint inner cylinder 6 are coated with a flame retardant layer 9 .

Although this paper uses a lot of cable 1, No. 1 metal sleeve 2, joint outer cylinder 3, protrusion 4, No. 2 metal sleeve 5, joint inner cylinder 6, copper pillar 7, copper sleeve 8, flame-retardant layer 9. Terms such as rubber sealing ring 10, collar 11, internal thread 12, external thread 13, etc., but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (5)

1. A wiring joint that can avoid winding, including the No. 1 metal sleeve (2), the joint outer cylinder (3), the No. 2 metal sleeve (5), the joint inner cylinder (6), and the copper column (7) and a copper sleeve (8), wherein a No. 2 metal sleeve (5) is arranged inside the joint inner cylinder (6), and a copper column (7) is welded on the surface of one end of the No. 2 metal sleeve (5), And the other end of No. 2 metal sleeve (5) is sleeved on one end of a cable (1) and electrically connected with its wire core. (1) the inner diameter of the hole for access; the inside of the joint outer cylinder (3) is provided with a No. 1 metal sleeve (2), and one end surface of the No. 1 metal sleeve (2) is welded with a copper sleeve (8), and the copper sleeve ( 8) is equal to the outer diameter of the copper column (7), and the other end of the No. 1 metal sleeve (2) is sleeved on one end of the other cable (1) and electrically connected to its wire core. The No. 1 metal sleeve (2) ) is greater than the inner diameter of the hole for the cable (1) to enter and exit at one end of the joint outer cylinder (3), the inner wall of the joint outer cylinder (3) is provided with an internal thread (12), and the joint inner cylinder (6 ) is provided with an external thread (13) on the outer wall, the joint inner cylinder (6) is threadedly connected to the joint outer cylinder (3), and the copper post (7) is plugged in the copper sleeve (8). 2. The wiring joint that can avoid winding according to claim 1, characterized in that, a plurality of protrusions (4) are integrally formed on the inner wall of the joint inner cylinder (6), and the protrusions (4) reach The shortest distance between the outer surfaces of the copper pillars (7) is equal to the thickness of the copper sleeve (8), and the copper sleeve (8) is compressed by a plurality of protrusions (4). 3. The wiring joint that can avoid winding according to claim 2, characterized in that, the other end of the joint inner cylinder (6) is connected to the No. 1 metal sleeve (2) in the joint outer cylinder (3) A rubber sealing ring (10) is arranged between them, and the rubber sealing ring (10) is squeezed through the inner cylinder body (6) of the joint. 4. The wiring joint that can avoid winding according to claim 1 or 3, characterized in that, one end surface of the joint outer cylinder (3) and the joint inner cylinder (6) is fixedly provided with a collar ( 11), the joint outer cylinder (3) and the bolt ring (11) on the surface of the joint inner cylinder (6) are connected by iron wire. 5. The wiring joint that can avoid winding according to claim 4, characterized in that, the inner and outer surfaces of the joint outer cylinder (3) and the joint inner cylinder (6) are coated with a layer of flame retardant layer (9 ).