CN210897699U

CN210897699U - Electrical connector

Info

Publication number: CN210897699U
Application number: CN201922117200.6U
Authority: CN
Inventors: 艾永学
Original assignee: Kunjin Electronics Taicang Co ltd
Current assignee: Kunjin Electronics Taicang Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-30
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to an electric connector, including insulator and conductive terminal, insulator is including the chamber of acceping that accepts conductive terminal, the via hole that link up each other with accepting the chamber is seted up to the insulator rear end face, conductive terminal includes line tip and butt joint portion, line tip includes cyclic annular base member and sets up the appearance wire casing on two parallel planes of base member, appearance wire casing both sides wall outwards extends and forms line terminal opening and puncture portion, butt joint portion includes butt joint bottom plate, elasticity portion and the clamping part that upwards extends the formation by elasticity portion, the terminal perpendicular inside buckling of clamping part extends and forms the contact site, clamping part and contact site enclose into one and insert the chamber, it is corresponding with the via hole to insert the chamber. The utility model discloses an electric connector simple structure, convenient assembling has realized the electric connection of electric wire and circuit board.

Description

Electrical connector

Technical Field

The utility model relates to a connector technical field, in particular to novel electric connector.

Background

In various electronic systems, electrical connectors are essential elements for electrical connection and signal transmission between devices, assemblies and modules, and systems to form a complete system

The electric connectors in the prior art are mostly used in pairs and respectively comprise a line end connector and a plate end connector, the line end connector is connected with a wire, the plate end connector is fixed on a printed circuit board, and the line end connector and the plate end connector are connected in an inserting mode to realize the connection of the printed circuit board and the wire. However, the two electrical connectors, namely the wire end connector and the plate end connector, are configured each time, so that the cost is high, and in addition, the difficulty of the installation process is increased by installing the two connectors simultaneously.

Accordingly, there is a need for an improved electrical connector that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector of simple structure, with low costs, excellent in use effect to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric connector, includes insulator and conductive terminal, insulator is including acceping conductive terminal's the chamber of acceping, insulator rear end face seted up with accept the conducting hole that the chamber link up each other, conductive terminal includes line tip and butt joint portion, line tip includes annular base member and sets up the appearance line groove on two parallel surfaces of base member, the outside extension of appearance line groove both sides wall forms line terminal opening and punctures the portion, butt joint portion include butt joint bottom plate, elastic component and by the clamping part that elastic component upwards extends the formation, the terminal perpendicular inside bending type of clamping part extends and forms the contact site, the clamping part with the contact site encloses into one and inserts the chamber, insert the chamber with the conducting hole is corresponding.

Preferably, both sides of the opening at the front end of the accommodating cavity are provided with U-shaped matching grooves, the inner sides of the matching grooves are provided with clamping parts, an accommodating groove is arranged in the accommodating cavity, and the wire end part is fixedly held with the accommodating groove.

Preferably, the conductive terminal further includes a holding portion located between the wire end and the mating portion.

Preferably, the fixing part comprises a bottom plate and a side wall which is obtained by vertically extending two ends of the bottom plate, and the side wall is provided with a front convex part and a rear convex part.

Preferably, a sunken cambered surface is arranged behind the rear protruding portion, an inclined portion extending downwards is arranged behind the sunken cambered surface, and the butt joint portion is located behind the inclined portion.

Preferably, the bottom plate is provided with an outer convex part, and the outer convex part is propped against the clamping part.

Preferably, the inner surface of the clamping part forms a clamping area protruding into the insertion cavity, and the clamping area is formed by inwards recessing the outer plate surface of the clamping part

Compared with the prior art, the beneficial effects of the utility model are that: the wire end part is fixedly held with the accommodating groove, so that a stable connection effect is achieved, and the electric connection between the wire end part and the electric wire is realized; the clamping part and the contact part are arranged in the accommodating cavity, and the inserting cavity corresponds to the via hole to realize the connection of the conductive terminal and the circuit board. The utility model discloses an electric connector simple structure, convenient assembling has realized the electric connection of electric wire and circuit board, and simultaneously, conductive terminal is difficult for droing from acceping the intracavity, is favorable to the stability of signal of telecommunication.

Drawings

Fig. 1 is a schematic view of the overall structure of the electric connector of the present invention;

fig. 2 is a schematic view of the electrical connector of the present invention in another angle;

fig. 3 is a schematic view of the structure of the insulating body of the electrical connector of the present invention;

fig. 4 is a schematic view of the conductive terminal structure of the electric connector of the present invention;

fig. 5 is another angle structure diagram of the conductive terminal of the electrical connector of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention relates to an electrical connector, which includes an insulating housing 10 and a conductive terminal 20 housed in the insulating housing 10. The conductive terminal 20 is welded to a printed circuit board (not shown) to form an electrical connection, and is electrically connected to an electrical wire (not shown) in a plugging manner, so that the electrical connector of the present invention can electrically connect the electrical wire to the printed circuit board.

Referring to fig. 2, the insulating body 10 includes two accommodating cavities 11, in this embodiment, 2 accommodating cavities 11 are provided, and in other embodiments, more than 2 accommodating cavities 11 may be provided. In addition, the rear end face of the insulating body 10 is opened with a through hole 12 penetrating through the receiving cavity 11 for electrically connecting the conductive terminal 20 to a printed circuit board (not shown) by soldering.

Specifically, referring to fig. 3, the accommodating cavity 11 is provided with an accommodating groove 111, and the conductive terminal 20 is fixed on the accommodating groove 111 to prevent the conductive terminal 20 from loosening and falling off in the accommodating cavity 11. The two sides of the front opening of each accommodating cavity 11 are both provided with U-shaped matching grooves 112, and the electric wire can pass through the matching grooves 112 to contact with the conductive terminals 20 in the insulating body 10 to form electric connection, so that the electric connection of the wire to the board is realized. The outer end surfaces of the two outer sides of the matching groove 112 are protruded outwards to form a left extending part 113 and a right extending part 114, the left extending part 113 and the right extending part 114 enclose a V-shaped threading opening 115, and the inner side of the matching groove 112 is provided with a clamping part 116.

Referring to fig. 4, the conductive terminal 20 includes a holding portion 21, a wire end 22 extending from one end of the holding portion 21, and an abutting portion 23 extending from the other end of the holding portion 21.

Specifically, referring to fig. 4-5, the holding portion 21 includes a bottom plate 211 and a sidewall 212 extending vertically from two ends of the bottom plate 211, the sidewall 212 is provided with a front protrusion 2121 and a rear protrusion 2122, a concave arc 2123 is provided behind the rear protrusion 2122, a downward extending inclined portion 2124 is provided behind the concave arc 2123, and the abutting portion 23 is provided behind the inclined portion 2124. The bottom plate 211 is provided with an external protrusion 2111, and the external protrusion 2111 abuts against the clamping portion 116 inside the matching groove 112, so that the positioning is facilitated and the stable connection is formed.

Specifically, referring to fig. 5, the wire end 22 includes an annular base 221 and a wire accommodating groove 222 opened on two parallel surfaces of the base 221, and two sidewalls of the wire accommodating groove 222 extend outward to form a wire end opening 223 and a piercing portion 224. The insulation sheath of the electric wire is pierced by the piercing portion 224 so that the bare portion of the electric wire is in contact with the conductive terminal 20, thereby achieving the electrical connection between the electric wire and the printed circuit board. The end 22 of the conductive terminal 20 is a ring structure, and two piercing portions 224 parallel to each other are formed, so as to form two contact points with the electric wire.

Specifically, referring to fig. 4, the docking portion 23 is a deformed annular structure, and includes a docking base plate 231, an elastic portion 232 formed by bending and extending two sides of the docking base plate 231 inward, and a clamping portion 233 formed by extending the elastic portion 232 upward, wherein the end of the clamping portion 233 is bent and extended vertically inward to form a contact portion 2331. Clip portion 233 and contact portion 2331 enclose a plug chamber 2332. Meanwhile, in order to improve the grip effect, the inner surface of grip 233 forms a grip region 2333 protruding into insert chamber 2332, and grip region 2333 is formed by recessing the outer plate surface of grip 233 inward. The clamping portions 233 of the conductive terminals 20 are soldered to a connection circuit (not shown) of the printed circuit board to form an electrical connection.

When the conductive terminal 20 is assembled with the insulating body 10, the wire end 22 is fixed with the receiving groove 111, and the wire receiving groove 222 and the U-shaped matching groove 112 are parallel to each other, so that the wire passes through the wire receiving groove 222 and the U-shaped matching groove 112, thereby achieving a better connection effect. The external protrusion 2111 abuts against the clamping portion 116 inside the mating groove 112, so that the positioning is facilitated and the stable connection is formed. The holder 233 and the contact 2331 are disposed in the housing chamber 11, and the insertion 2332 corresponds to the through hole 12. The front protrusion 2121 and the rear protrusion 2122 abut against the inner wall of the accommodating cavity 11, increasing friction therebetween, preventing the conductive terminal 20 from falling off from the accommodating cavity 11, and facilitating the stability of the electrical signal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric connector, includes insulator and conductive terminal, insulator is including acceping the chamber is acceptd to conductive terminal, insulator rear end face set up with accept the conducting hole that the chamber link up each other, conductive terminal includes line terminal portion and butt joint portion, its characterized in that: the wire end comprises an annular base body and wire accommodating grooves formed in two parallel surfaces of the base body, two side walls of each wire accommodating groove extend outwards to form a wire end opening and a piercing part, each abutting part comprises an abutting bottom plate, an elastic part and a clamping part formed by upwards extending the elastic part, the tail end of each clamping part bends inwards perpendicularly to form a contact part, each clamping part and the contact part form a plug cavity in a surrounding mode, and the plug cavities correspond to the via holes.

2. The electrical connector of claim 1, wherein: u-shaped matching grooves are formed in two sides of an opening in the front end of the accommodating cavity, clamping portions are arranged on the inner sides of the matching grooves, an accommodating groove is formed in the accommodating cavity, and the wire end portion and the accommodating groove are fixedly held.

3. The electrical connector of claim 2, wherein: the conductive terminal further includes a holding portion located between the wire end and the mating portion.

4. The electrical connector of claim 3, wherein: the fixing part comprises a bottom plate and side walls obtained by vertically extending two ends of the bottom plate, and front protruding parts and rear protruding parts are arranged on the side walls.

5. The electrical connector of claim 4, wherein: a sunken cambered surface is arranged behind the rear protruding portion, an inclined portion extending downwards is arranged behind the sunken cambered surface, and the butt joint portion is located behind the inclined portion.

6. The electrical connector of claim 5, wherein: the bottom plate is provided with an outer convex part which is propped against the clamping part.

7. The electrical connector of claim 1, wherein: the inner surface of the clamping part forms a clamping area protruding towards the insertion cavity, and the clamping area is formed by inwards recessing the outer plate surface of the clamping part.