阅读说明：本技术 一种防呆式电缆接头公母端连接结构 (Prevent that slow-witted formula cable joint public female end connection structure ) 是由 沈剑 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种防呆式电缆接头公母端连接结构,包括插座壳体和插座壳体,插座壳体和插头壳体插接相连,插座壳体和插头壳体内设有一对相配的绝缘体,所述的绝缘体为一段圆柱与一段半圆柱相连而成,圆柱与半圆柱的圆心重合且直径相等,绝缘体的顶部设有母导体,所述的母导体为一段设于半圆柱内的金属插接槽,绝缘体的阶梯面上设有公导体,所述的公导体为与金属插接槽相配的金属连接柱,插座壳体内的绝缘体相对于插头壳体内的绝缘体旋转180°设置,插座壳体内的绝缘体与插头壳体内的绝缘体通过金属连接柱与金属插接槽的配合插接相连。(The invention discloses a foolproof cable joint male and female end connecting structure which comprises a socket shell and a socket shell, wherein the socket shell is connected with the plug shell in an inserting manner, a pair of matched insulators are arranged in the socket shell and the plug shell, the insulators are formed by connecting a section of cylinder with a section of semi-cylinder, the circle centers of the cylinder and the semi-cylinder are superposed, the diameters of the cylinder and the semi-cylinder are equal, a female conductor is arranged at the top of each insulator, the female conductor is a section of metal inserting groove arranged in the semi-cylinder, a male conductor is arranged on the step surface of each insulator, the male conductor is a metal connecting column matched with the metal inserting groove, the insulators in the socket shell rotate 180 degrees relative to the insulators in the plug shell, and the insulators in the socket shell and the plug shell are connected with the metal inserting groove in an inserting manner through the metal connecting column.)

1. A foolproof cable joint male and female end connecting structure is characterized by comprising a socket shell and a plug shell, wherein the socket shell is connected with the plug shell in an inserting manner, a pair of matched insulators are arranged in the socket shell and the plug shell, each insulator is formed by connecting a section of cylinder with a section of semi-cylinder, the centers of the cylinders are coincided with the centers of the semi-cylinders, the diameters of the cylinders are equal, the bottoms of the insulators are provided with a circle of step surfaces, the insulators are fixed at the bottom of the socket shell through insulating fixing rings matched with the shapes of the step surfaces, the insulators are connected with the plug shell in a butting manner with the bottom of the plug shell, a female conductor is arranged at the top of each insulator, each female conductor is a section of metal inserting groove arranged in the semi-cylinder, a male conductor is arranged on the step surface of each insulator, each male conductor is a metal connecting column matched with the corresponding metal inserting groove, and the insulators in the socket shell are rotated 180 degrees relative to the insulators in the plug shell, the insulator in the socket shell and the insulator in the plug shell are connected in a matched and inserted manner through the metal connecting column and the metal inserting groove.

2. The male and female end connection structure of a fool-proof cable joint as claimed in claim 1, wherein the insulation fixing ring is connected with the socket housing by interference fit with the inner hole of the socket housing.

3. The male and female end connection structure of claim 1, wherein the length of the upper semi-cylinder of the insulator is 2 times the length of the cylinder.

4. The male and female ends connecting structure of foolproof cable joint as defined in claim 1, wherein said metal connecting post has a length which is one-half of the length of the semi-cylinder.

5. The male and female connection structure of claim 1, wherein the metal connection post and the metal insertion groove are made of copper.

6. The male and female end connection structure of a fool-proof cable joint as claimed in claim 1, wherein the socket housing is provided with an external thread, and the plug housing is provided with a connection nut matching with the external thread.

Technical Field

The invention relates to a fool-proof cable joint male and female end connecting structure.

Background

A cable connector, also called a cable head, is a cable accessory that connects two cables to form a continuous circuit. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and cable connectors are required to be installed at these connection points.

When the cable joint is used, the incoming cable and the outgoing cable are inserted into the cable joint, and the two cables are connected. However, due to the loose installation manner of the plug-in type, the plugging direction of the male end and the female end can not be aligned, so that a fool-proof cable connector is needed at present.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a fool-proof cable joint male and female end connecting structure.

A foolproof cable joint male and female end connecting structure comprises a socket shell and a plug shell, wherein the socket shell is connected with the plug shell in an inserting manner, a pair of matched insulators are arranged in the socket shell and the plug shell, the insulators are formed by connecting a section of cylinder with a section of semi-cylinder, the center of the cylinder is coincided with the center of the semi-cylinder, the diameter of the cylinder is equal to that of the semi-cylinder, the bottom of each insulator is provided with a circle of step surface, each insulator is fixed at the bottom of the socket shell through an insulating fixing ring matched with the shape of the step surface, each insulator is connected with the plug shell in a butting manner with the bottom of the plug shell, the top of each insulator is provided with a female conductor, each female conductor is a section of metal inserting groove arranged in the semi-cylinder, a male conductor is arranged on the step surface of each insulator, each male conductor is a metal connecting column matched with the corresponding metal inserting groove, and the insulators in the socket shell are rotated for 180 degrees relative to the insulators in the plug shell, the insulator in the socket shell and the insulator in the plug shell are connected in a matched and inserted manner through the metal connecting column and the metal inserting groove.

As a further improvement, the insulating fixing ring is connected with the socket shell in a clamping mode in an interference fit mode with an inner hole of the socket shell.

As a further improvement, the length of the upper semi-cylinder of the insulator is 2 times of the length of the cylinder.

As a further improvement, the length of the metal connecting column is half of the length of the semi-cylinder.

As a further improvement, the metal connecting column and the metal inserting groove are made of copper.

As a further improvement, the socket shell is provided with an external thread, and the plug shell is provided with a connecting nut matched with the external thread.

Has the advantages that:

the invention has smart design, and realizes the plug-in structure of the male conductor and the female conductor by using the mutual matching of the two semi-cylindrical insulators, so that the male conductor and the female conductor can be connected in a plug-in manner only in the correct direction, and the condition that the male connector and the female connector are damaged due to incorrect directions is avoided.

Drawings

FIG. 1 is a schematic diagram of a connection structure of male and female ends of a foolproof cable connector;

FIG. 2 is a schematic structural view of a male conductor and a female conductor connected in a plugging manner;

1. the socket comprises a socket shell 2, a plug shell 3, an insulator 4, an insulating fixing ring 5, a female conductor 6, a male conductor 7 and a connecting nut.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1-2, a fool-proof cable joint male and female end connection structure comprises a socket shell 1, a plug shell 2, an insulator 3, an insulating fixing ring 4, a female conductor 5, a male conductor 6 and a connecting nut 7.

A foolproof cable joint male and female end connecting structure comprises a socket shell 1 and a plug shell 2, wherein the socket shell 1 is connected with the plug shell 2 in an inserting way, a pair of matched insulators 3 is arranged in the socket shell 1 and the plug shell 2, the insulators 3 are formed by connecting a section of cylinder with a section of semi-cylinder, the circle centers of the cylinder and the semi-cylinder are coincided, the diameter of the cylinder is equal to the diameter of the cylinder, the bottom of the insulators 3 is provided with a circle of step surface, the insulators 3 are fixed at the bottom of the socket shell 1 through insulating fixing rings 4 matched with the shape of the step surface, the insulators 3 are connected with the plug shell 2 in a butting way with the bottom of the plug shell 2, the top of each insulator 3 is provided with a female conductor 5, each female conductor 5 is a section of metal inserting groove arranged in the semi-cylinder, a male conductor 6 is arranged on the step surface of the insulators 3, and each male conductor 6 is a metal connecting column matched with the metal inserting groove, the insulator 3 in the socket shell 1 is arranged by rotating 180 degrees relative to the insulator 3 in the plug shell 2, and the insulator 3 in the socket shell 1 and the insulator 3 in the plug shell 2 are connected with the metal insertion groove in a matched insertion manner through metal connecting columns.

The insulating fixing ring 4 is connected with the socket shell 1 in a clamping mode through an inner hole of the socket shell 1 in an interference fit mode.

Wherein, the length of the upper semi-cylinder of the insulator 3 is 2 times of the length of the cylinder.

The length of the metal connecting column is half of the length of the semi-cylinder.

The metal connecting column and the metal inserting groove are made of copper.

Wherein, socket shell 1 on be equipped with the external screw thread, be equipped with coupling nut 7 with the external screw thread matches on the plug housing 2.

The invention has ingenious design, and realizes the plug-in structure of the male conductor 6 and the female conductor 5 by using the mutual matching of the two semi-cylindrical insulators 3, so that the male conductor 6 and the female conductor 5 can be connected in a plug-in manner only in the correct direction, and the condition that the male connector and the female connector are damaged due to incorrect directions is avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.