CN215645112U

CN215645112U - Contact pin for power connector

Info

Publication number: CN215645112U
Application number: CN202121673731.4U
Authority: CN
Inventors: 赵建益
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-25
Anticipated expiration: 2031-07-22

Abstract

A contact pin for a power connector belongs to the technical field of electrical plugs and comprises a male pin and a female pin; the male needle is divided into a front section A, a middle section A and a rear section A; the front section A is an inserting section and comprises an inserting connector, and the front end of the inserting connector is semicircular; the middle section A is a fixed section and is fixed with the socket a; the rear section A is an electric connection section, the center of the rear section A is a deep hole A, and the deep hole A is connected with the electric wire a; the female needle is divided into a front section B, a middle section B and a rear section B; the front section B is an inserting section and comprises an inserting barrel; the middle section B is a fixed section and is fixed with the socket B; the rear section B is an electric connection section, the center of the rear section B is a deep hole B, and the deep hole B is connected with an electric wire B; the barrel wall of the insertion barrel at the front section B of the female needle is provided with a plurality of strip-shaped notches; the inner diameter of the opening of the bucket is smaller than the inner diameter of the bottom of the bucket; the diameter of the plug-in connector of the front section A of the male needle is matched with the inner diameter of the bottom of the insertion barrel of the front section B of the female needle, and the plug-in connector of the front section A is connected with the insertion barrel of the front section B in an insertion mode. The utility model has the beneficial effects that: the plug fit is always tight.

Description

Contact pin for power connector

Technical Field

The utility model relates to a contact pin of a power connector, in particular to a contact pin of a power connector for an aviation plug, and belongs to the technical field of electrical plugs.

Background

The aviation plug is widely used in power transmission and distribution equipment and various mechanical and electrical equipment, wherein a contact pin is a main component. Because the working environment of the aviation plug is always in a vibration state, the contact pins are only in plug-in fit in the connecting holes and are not firm, and because of the shaking of the equipment, the plug can generate relative displacement, so that the contact is insufficient, and the transmission of electricity and signals of the equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that a plug is easy to loosen in the prior art, and provides a contact pin for a power connector, which can achieve the aim of tight plug matching all the time.

In order to achieve the aim, the utility model adopts the technical scheme that: a contact pin for a power connector, the power connector comprises a socket a and a socket b; the contact pin comprises a male pin and a female pin; the male needle is divided into a front section A, a middle section A and a rear section A; the front section A is an inserting section and comprises an inserting connector, and the front end of the inserting connector is semicircular; the middle section A is a fixed section and is fixed with the socket a; the rear section A is an electric connection section, the center of the rear section A is a deep hole A, and the deep hole A is connected with the electric wire a;

the female needle is divided into a front section B, a middle section B and a rear section B; the front section B is an inserting section and comprises an inserting barrel; the middle section B is a fixed section and is fixed with the socket B; the rear section B is an electric connection section, the center of the rear section B is a deep hole B, and the deep hole B is connected with an electric wire B;

a plurality of strip-shaped notches are formed in the barrel wall of the insertion barrel at the front section B of the female needle; the plurality of strip-shaped gaps are uniformly distributed on the barrel wall; due to the strip-shaped gap, the opening of the inserting barrel is extruded inwards, so that the inner diameter of the opening of the inserting barrel is slightly smaller than the inner diameter of the bottom of the inserting barrel; the diameter of the plug-in connector of the front section A of the male needle is matched with the inner diameter of the bottom of the insertion barrel of the front section B of the female needle, and the plug-in connector of the front section A is connected with the insertion barrel of the front section B in an insertion mode. When the front section A plug-in connector is inserted into the front section B plug-in barrel, the opening of the plug-in barrel is spread to enter by the semicircle at the front end of the plug-in connector, so that the barrel wall can firmly grasp the plug-in connector.

A convex ring A is arranged between the front section A and the middle section A of the male needle, and a convex ring B is arranged between the middle section A and the rear section A. When the middle section A is fixed in the socket a, the male pin cannot be displaced due to the convex ring A and the convex ring B.

A notch A is formed in the opening of the deep hole A of the rear section A of the male needle.

An annular platform is arranged between the front section B and the middle section B of the female needle, and a convex ring C is arranged between the middle section B and the rear section B. When the middle section B is fixed in the socket B, the female needle cannot be displaced due to the annular platform and the convex ring C.

And a notch B is arranged at the opening of the deep hole B of the rear section B of the female needle.

The contact pin is made of copper.

The socket a comprises a plurality of male pins; the socket b comprises a plurality of female pins.

Compared with the prior art, the utility model has the beneficial effects that: after the plug-in connection, the matching is tighter, the looseness is not easy to occur, and the service life is longer.

Drawings

FIG. 1 is a schematic diagram of: a front view of the male pin;

FIG. 2 is a diagram of: FIG. 1 is a sectional view taken along line A-A;

FIG. 3 is a diagram of: a male needle perspective view;

FIG. 4 is a diagram of: a master needle front view;

FIG. 5 is a diagram of: FIG. 4 is a sectional view taken along line B-B;

FIG. 6 is a diagram of: a mother needle perspective view;

FIG. 7 is a diagram of: a male pin schematic diagram on the socket a;

FIG. 8 is a diagram of: female pin schematic on socket b.

Description of reference numerals: the pin comprises a male pin 1, a front section A101, a middle section A102, a rear section A103, a plug connector 104, a deep hole A105, a convex ring A106, a convex ring B107, a gap A108, a female pin 2, a front section B201, a middle section B202, a rear section B203, a plug bucket 204, a deep hole B205, a strip-shaped gap 206, an annular platform 207, a convex ring C208, a gap B209, a socket a 3 and a socket B4.

Detailed Description

The utility model is further described with reference to the following figures and specific examples, which are not intended to be limiting.

As shown in fig. 1-8, a pin for a power connector for making a 19-pin power connector includes a socket a 3 and a socket b 4; the contact pin comprises a male pin 1 and a female pin 2; the male pin 1 is divided into a front section A101, a middle section A102 and a rear section A103; the front section A101 is an insertion section and comprises an insertion joint 104, and the front end of the insertion joint 104 is semicircular; the middle section A102 is a fixed section and is fixed with the socket a; the rear section A103 is an electric connection section, the center of the rear section is a deep hole A105, and the deep hole A105 is connected with an electric wire a (not shown in the figure);

the female needle 2 is divided into a front section B201, a middle section B202 and a rear section B203; the front section B201 is an inserting section and comprises an inserting barrel 204; the middle section B202 is a fixed section and is fixed with the socket B; the rear section B203 is an electric connection section, the center of the rear section B is a deep hole B205, and the deep hole B205 is connected with an electric wire B (not shown in the figure);

a plurality of strip-shaped notches 206 are formed in the barrel wall of the insertion barrel 204 of the front section B201 of the female needle 2; the plurality of strip-shaped notches 206 are uniformly distributed on the barrel wall; due to the strip-shaped gap 206, the opening of the insertion barrel 204 is extruded inwards, so that the inner diameter of the opening of the insertion barrel 204 is slightly smaller than the inner diameter of the bottom of the insertion barrel 204; the diameter of the plug 104 of the front section A101 of the male needle 1 is matched with the inner diameter of the bottom of the inserting barrel 204 of the front section B201 of the female needle 2, and the plug 104 of the front section A101 is connected with the inserting barrel 204 of the front section B201 in an inserting manner. When the front section A101 plug 104 is inserted into the front section B201 plug 204, the semicircular shape at the front end of the plug 104 stretches the opening of the plug 204, so that the plug 104 is firmly held by the barrel wall.

A convex ring A106 is arranged between the front section A101 and the middle section A102 of the male needle 1, and a convex ring B107 is arranged between the middle section A102 and the rear section A103. When the middle section a 102 is fixed in the socket a, the male pin 1 cannot be displaced due to the protruding ring a 106 and the protruding ring B107.

A notch A108 is arranged at the opening of a deep hole A105 of the rear section A103 of the male pin 1.

An annular platform 207 is arranged between the front section B201 and the middle section B202 of the female needle 2, and a convex ring C208 is arranged between the middle section B202 and the rear section B203. When the middle section B202 is fixed in the socket B, the female needle 2 cannot be displaced due to the annular platform 207 and the convex ring C208.

A notch B209 is arranged at the opening of the deep hole B205 of the back section B203 of the female needle 2.

The contact pin is made of copper.

The socket a 3 comprises 19 male pins 1; the socket b 4 comprises 19 female pins 2.

The above-described embodiments are merely preferred embodiments of the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.

Claims

1. A contact pin for a power connector, the power connector comprises a socket a and a socket b; the contact pin comprises a male pin and a female pin; the method is characterized in that: the male needle is divided into a front section A, a middle section A and a rear section A; the front section A is an inserting section and comprises an inserting connector, and the front end of the inserting connector is semicircular; the middle section A is a fixed section and is fixed with the socket a; the rear section A is an electric connection section, the center of the rear section A is a deep hole A, and the deep hole A is connected with the electric wire a;

a plurality of strip-shaped notches are formed in the barrel wall of the insertion barrel at the front section B of the female needle; the plurality of strip-shaped gaps are uniformly distributed on the barrel wall; the inner diameter of the opening of the bucket is smaller than the inner diameter of the bottom of the bucket; the diameter of the plug-in connector of the front section A of the male needle is matched with the inner diameter of the bottom of the insertion barrel of the front section B of the female needle, and the plug-in connector of the front section A is connected with the insertion barrel of the front section B in an insertion mode.

2. A pin for a power connector as claimed in claim 1, wherein: a convex ring A is arranged between the front section A and the middle section A of the male needle, and a convex ring B is arranged between the middle section A and the rear section A.

3. A pin for a power connector as claimed in claim 1, wherein: a notch A is formed in the opening of the deep hole A of the rear section A of the male needle.

4. A pin for a power connector as claimed in claim 1, wherein: an annular platform is arranged between the front section B and the middle section B of the female needle, and a convex ring C is arranged between the middle section B and the rear section B.

5. A pin for a power connector as claimed in claim 1, wherein: and a notch B is arranged at the opening of the deep hole B of the rear section B of the female needle.

6. A pin for a power connector as claimed in claim 1, wherein: the contact pin is made of copper.

7. A pin for a power connector as claimed in claim 1, wherein: the socket a comprises a plurality of male pins; the socket b comprises a plurality of female pins.