CN216720325U - Board power connection connector - Google Patents

Abstract

The utility model relates to a plate electric connector, which is provided with a first butt joint piece and a second butt joint piece, wherein the first butt joint piece is provided with a first insulator and a plurality of first terminals which are arranged in rows, the first terminals are blade-shaped and are assembled on the first insulator in a side-to-side mode; the first terminal is provided with a longitudinal cutting groove which extends inwards from the front end, an expandable and contractible elastic jaw is constructed by shaping the upper and lower side arms of the longitudinal cutting groove, and the front end of the first insulator is provided with an inserting channel; the second butt joint piece is provided with a second insulator and a plurality of second terminals which are arranged in rows, the second insulator is provided with an inserting port, and the inserting port is used for being sleeved with the first insulator; the second terminal is provided with a needle part extending into the socket, and the needle part is inserted into the first insulator through the plug channel and clamped by the elastic jaw of the first terminal, so that the first terminal and the second terminal form electric conduction connection. The reliability is better, and the space that occupies the PCB board is littleer, and the contact reliability is high to electric connector's plug performance and life have been promoted.

Description

Board power connection connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a pin header female connector.

Background

With the development of the electronic and electrical industry and the continuous progress of scientific and technical information, the application range of the electric connector is gradually enlarged, and particularly, the plug-and-play electric connector is more widely used.

The most common pin header female connector is widely applied to connection of a PCB (printed circuit board), plays a role of a bridge at a blocked position or between isolated and non-connected circuits in the circuit, plays a role of current or signal transmission and forms board-to-board connection. However, the existing pin header connector still has some defects when in use, the size of the pin header direction is large, the occupied space of a PCB is large, the pin header and the pin header are prone to deviation during plugging, the pin header is unstable in matching, even the pin header is too tight in butt joint, and the pin capacity is easy to bend.

Disclosure of Invention

The utility model aims to provide a board electric connector, which well solves the problems in the prior art, improves the plugging and unplugging usability and prolongs the service life of the electric connector, and has the advantages of simple structure, small occupied space of a PCB (printed circuit board) and better reliability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the board power connection connector is provided with a first butt joint piece and a second butt joint piece which are matched and butted, the first butt joint piece is provided with a first insulator and a plurality of first terminals which are positioned on the first insulator and arranged in rows, the first terminals are in a blade shape, and the first terminals are assembled on the first insulator in a side-to-side mode; the first terminal is provided with a longitudinal cutting groove which extends inwards from the front end, and an elastic jaw which can expand and contract is constructed by shaping the upper side arm and the lower side arm of the longitudinal cutting groove; the second butt joint piece is provided with a second insulator and a plurality of second terminals which are positioned on the second insulator and arranged in rows, the second insulator is provided with a socket, and the socket is used for sleeving the first insulator; the second terminal is provided with a needle part extending into the socket, and the needle part is inserted into the first insulator through the plug channel and clamped by the elastic jaw of the first terminal, so that the first terminal and the second terminal form electric conduction connection.

The above scheme is further that the first insulator is provided with two rows of first terminals which are vertically arranged, the two rows of first terminals are arranged in a vertically staggered manner, and the number and arrangement of the second terminals on the second insulator are matched with those of the first terminals.

The above scheme is further that the part of the first insulator inserted into the interface is provided with a first fool-proof step, the inner side wall of the interface of the second insulator is provided with a second fool-proof step, and the first fool-proof step and the second fool-proof step are matched and spliced.

The scheme is further that the first welding parts of the two rows of the first terminals are correspondingly arranged into two rows, the two rows of the first welding parts are arranged front and back in the butt joint direction of the first butt joint piece and the second butt joint piece, the two rows of the first welding parts are welded on the upper plate of the same horizontal plane, and the welding positions are staggered left and right; the second terminals are provided with second welding parts extending out of the second insulator, the second welding parts are correspondingly arranged into two rows, the two rows of second welding parts are arranged front and back in the butt joint direction of the first butt joint piece and the second butt joint piece, the two rows of second welding parts are welded on the upper plate of the same horizontal plane, and the welding positions are staggered left and right.

Compared with the prior art, the utility model has better reliability and smaller space occupation of a PCB, the first terminal is provided with the expansion elastic jaw, when in use, the pin part of the second terminal is clamped by the elastic jaw, the contact reliability is high, the contact stability is ensured, the matching use of the pin row bus bar is ensured, the pin bending condition caused by too tight plugging is effectively avoided, and the plugging and unplugging performance and the service life of the electric connector are improved.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIGS. 2 and 3 are schematic illustrations of the first docking member and the second docking member of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the connection of a first terminal and a second terminal of the internal structure of the embodiment of FIG. 1;

fig. 5 is a schematic diagram of the embodiment of fig. 4 with the first terminal and the second terminal separated.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Referring to fig. 1, 2, 3, 4 and 5, which are schematic views of preferred embodiments of the present invention, the present invention relates to a board connector, and more particularly, to a board connector, which replaces a conventional pin header female connector and has a first mating member 1 and a second mating member 2 that are mated with each other, where the first mating member 1 and the second mating member 2 are in a horizontal form, so as to achieve quick insertion and extraction, and are applied to connection of PCB boards. The first butt joint piece 1 is provided with a first insulator 11 and a plurality of first terminals 12 which are positioned on the first insulator and arranged in rows, the first terminals are in a blade shape and are assembled on the first insulator 11 in a side-up mode, occupied space is small, and arrangement and combination are optimized. The first terminal 12 is provided with a longitudinal cutting groove 121 extending inwards from the front end, and an elastic jaw 122 capable of expanding and contracting is constructed by shaping the upper and lower side arms of the longitudinal cutting groove, the rear end of the first terminal is provided with a first welding part 123 extending out of the first insulator, the front end of the first insulator is provided with an insertion channel 111, the number and arrangement of the insertion channels are matched with those of the elastic jaw 122, in the embodiment, the elastic jaw 122 is hidden in the insertion channel 111, so that the elastic jaw can effectively protect and obtain better limiting and positioning, and the working effectiveness and stability are improved. The second butt-joint part 2 is provided with a second insulator 21 and a plurality of second terminals 22 which are positioned on the second insulator and arranged in rows, the second insulator is provided with a socket 211, and the socket 211 is used for being sleeved with the first insulator 11; the second terminal 22 has a pin 221 extending into the socket, and the pin 221 is inserted into the first insulator through the socket channel 111 and is held by the elastic jaw 122 of the first terminal, so that the first terminal 12 and the second terminal 22 form an electrical connection.

During operation, cup joint first insulator 11 through interface 211, realize the butt joint combination of first butt joint spare 1 and second butt joint spare 2, at this moment, needle portion 221 sees through grafting passageway 111 and inserts in the first insulator and insert along vertical grooving 121, elasticity is kept silent 122 and is then held the needle portion 221 of second terminal, can keep lasting elastic contact, contact reliability is high, guarantee the stability of contact, ensure row of needles female cooperation use, and utilize the elasticity of elasticity is kept silent, effectively avoid the needle portion bending condition that the butt joint caused too tightly, the plug performance and the life of electric connector have been promoted

Referring to fig. 1, 2, 3, 4, and 5, in the embodiment, a first fool-proof step 112 is disposed on a portion of the first insulator 11 inserted into the socket, a second fool-proof step 212 is disposed on an inner sidewall of the socket 211 of the second insulator, and the first fool-proof step 112 and the second fool-proof step 212 are inserted in a matching manner, so that the fool-proof effect is achieved, and the insertion stability and the insertion force are improved. In this embodiment, the socket 211 is square, the second fool-proof steps 212 are disposed on the left and right inner side walls of the socket 211, and the left and right second fool-proof steps 212 form a positive and negative concave-convex relationship on the left and right inner side walls, so as to obtain upper and lower dislocation fool-proof and improve the plugging force; similarly, the first fool-proof step 112 and the second fool-proof step 212 are designed to be matched, so as to obtain better plugging performance.

As shown in fig. 1, 2, 3, 4, and 5, in this embodiment, two rows of first terminals 12 are disposed on the first insulator 11, and the two rows of first terminals 12 are arranged in a staggered manner, so that the terminal structure and assembly are conveniently designed, and the space size of the first insulator 11 is effectively utilized to obtain more insertion pin positions; the number and arrangement of the second terminals 22 on the second insulator 21 are matched with those of the first terminals 12, so that the requirement of matching and butting is met, the traditional pin header is effectively replaced, and the requirement of PCB connection is met. In this embodiment, the first welding portions 123 of the two rows of first terminals are also correspondingly arranged in two rows, and the two rows of first welding portions are arranged front and back in the butt joint direction of the first butt joint piece and the second butt joint piece, and the two rows of first welding portions 123 are welded on the upper plate of the same horizontal plane and the welding positions are staggered left and right; the second terminal 22 is provided with second welding portions 222 extending from the second insulator, the second welding portions 222 are correspondingly arranged in two rows, the two rows of second welding portions are arranged in the front and back direction of the butt joint direction of the first butt joint piece and the second butt joint piece, the two rows of second welding portions 222 are welded on the upper plate of the same horizontal plane, and the welding positions are staggered left and right. Through the above structural design, the flatness detection and the welding assembly of the first welding part 123 and the second welding part 222 are facilitated, and the product assembly quality and the usability are improved.

Compared with the traditional female pin header connector, the utility model has better reliability, occupies smaller space of a PCB, the first terminal is provided with the expansion elastic jaw, when in use, the pin part of the second terminal is clamped by the elastic jaw, the contact reliability is high, the contact stability is ensured, the female pin header is ensured to be matched for use, the pin bending condition caused by too tight insertion is effectively avoided, the plugging and pulling performance of the electric connector is improved, and the service life of the electric connector is prolonged.

It is to be understood that the foregoing detailed description of the present invention has been provided only for the purpose of illustrating the technical spirit and features of the present invention, and the present invention is not limited thereto.

Claims (4)

1. The board connects electric connector has supporting first butt joint spare and the second butt joint spare of butt joint, its characterized in that:

the first butting piece is provided with a first insulator and a plurality of first terminals which are positioned on the first insulator and are arranged in rows, the first terminals are blade-shaped and are assembled on the first insulator in a side-standing manner; the first terminal is provided with a longitudinal cutting groove which extends inwards from the front end, and an elastic jaw which can expand and contract is constructed by shaping the upper side arm and the lower side arm of the longitudinal cutting groove;

the second butt joint piece is provided with a second insulator and a plurality of second terminals which are positioned on the second insulator and arranged in rows, the second insulator is provided with a socket, and the socket is used for sleeving the first insulator; the second terminal is provided with a needle part extending into the socket, and the needle part is inserted into the first insulator through the plug channel and clamped by the elastic jaw of the first terminal, so that the first terminal and the second terminal form electric conduction connection.

2. The electrical board connector according to claim 1, wherein: the first insulator is provided with two rows of first terminals which are vertically arranged, the two rows of first terminals are arranged in a staggered mode vertically, and the number and arrangement of second terminals on the second insulator are matched with those of the first terminals.

3. The electrical board connector according to claim 1, wherein: the part of the first insulator inserted into the interface is provided with a first fool-proof step, the inner side wall of the interface of the second insulator is provided with a second fool-proof step, and the first fool-proof step is matched with the second fool-proof step for insertion.

4. The electrical board connector according to claim 2, wherein: the first welding parts of the two rows of first terminals are correspondingly arranged into two rows, the two rows of first welding parts are arranged front and back in the butt joint direction of the first butt joint piece and the second butt joint piece, the two rows of first welding parts are welded on the upper plate of the same horizontal plane, and the welding positions are staggered left and right; the second terminals are provided with second welding parts extending out of the second insulator, the second welding parts are correspondingly arranged into two rows, the two rows of second welding parts are arranged front and back in the butt joint direction of the first butt joint piece and the second butt joint piece, the two rows of second welding parts are welded on the upper plate of the same horizontal plane, and the welding positions are staggered left and right.

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