CN220710680U - Electric connector - Google Patents

Abstract

The utility model provides an electric connector, which comprises an insulating body, a plurality of conductive terminals fixed in the insulating body and a fixing piece arranged on the insulating body, wherein the insulating body is provided with a plurality of terminal grooves extending along the front-back direction to accommodate the corresponding conductive terminals, the fixing piece is provided with a plurality of accommodating grooves corresponding to the terminal grooves, each conductive terminal is provided with a fixing part, a contact part positioned at the front side of the fixing part and a wire pressing part positioned at the rear side of the fixing part to wrap a cable, the fixing part comprises a top wall and a bottom wall which are opposite along the height direction and are arranged at intervals, a side wall connecting the top wall and the bottom wall at one side in the transverse direction, and a clamping arm extending backwards from the side wall and bending outwards, and the clamping arm is elastic and the free tail end of the clamping arm is propped against the front end face of the fixing piece. The electric connector has simple structure, is convenient to manufacture and can effectively prevent misplug.

Description

Electric connector

Technical Field

The present utility model relates to an electrical connector, and more particularly, to an electrical connector with a simple structure and easy manufacturing.

Background

The traditional electric connector comprises an insulating body, a conductive terminal fixed in the insulating body and a cable electrically connected with the conductive terminal, wherein the conductive terminal is generally buckled with a buckling groove arranged in the insulating body through an elastic sheet obliquely extending out of the conductive terminal, so that the conductive terminal is prevented from being pulled by external force to withdraw after being installed into the insulating body, the buckling groove is required to be formed in the insulating body, and when the conductive terminal is assembled, the elastic sheet is buckled with the buckling groove to generate a retaining force, however, the structure of the insulating body is complicated, and the insulating body is difficult to form during mold processing; in practical application, the terminal accommodating groove and the fastening groove are formed at the same time, so that the male and female connectors are easy to misplaced and spliced when being spliced, and further cannot be electrically conducted.

In view of the above, there is a need for an improvement over existing electrical connectors to address the above-described problems.

Disclosure of Invention

The utility model aims to provide an electric connector which has a simple structure, is convenient to manufacture and can effectively prevent misplug.

In order to achieve the above object, the present utility model provides an electrical connector, which includes an insulating body, a plurality of conductive terminals fixed in the insulating body, and a fixing member mounted on the insulating body, wherein the insulating body has a plurality of terminal grooves extending in a front-rear direction to accommodate the corresponding conductive terminals, the fixing member has a plurality of accommodating grooves provided corresponding to the terminal grooves, each of the conductive terminals has a holding portion, a contact portion located at a front side of the holding portion, and a wire pressing portion located at a rear side of the holding portion to wrap a wire, the holding portion includes a top wall and a bottom wall opposite to each other in a height direction and disposed at intervals, a side wall connecting one side of the top wall and the bottom wall in a lateral direction, and a retaining arm extending rearward from the side wall and being bent outward, the retaining arm having elasticity and having a free end abutting against a front end face of the fixing member.

As a further improvement of the present utility model, the fixing member further has a pair of widened portions disposed in each of the receiving grooves, the widened portions being disposed on a front side of the corresponding receiving groove so as to thicken wall portions defining the corresponding receiving groove to abut against the insulating body and the retaining arms.

As a further improvement of the utility model, each terminal groove is internally provided with a yielding groove for the free tail end of the clamping arm to stretch in, the containing grooves are arranged in one-to-one correspondence with the terminal grooves so as to contain corresponding conductive terminals, and the wire pressing parts extend backwards and are contained in the corresponding containing grooves.

As a further improvement of the present utility model, the fixing member further has a base body and a foolproof portion protruding rearward from a rear surface of the base body, the receiving groove is formed through the base body, and the foolproof portion is asymmetrically disposed on an upper side of the receiving groove.

As a further improvement of the present utility model, the upper surface of the fool-proof portion is disposed coplanar with the top surface of the base body.

As a further improvement of the utility model, the fixing piece is also provided with a buckling part which is arranged in a dislocation way with the foolproof part in the transverse direction, and the buckling part protrudes backwards from the rear surface of the base body and is arranged at intervals with the top surface of the base body in the height direction.

As a further improvement of the present utility model, the fixing member further has a groove located at one side of the receiving groove in the height direction, the groove is recessed rearward from the front surface of the base body, the fool-proof portion and the snap-in portion protrude at the rear side of the base body, and the fool-proof portion protrudes rearward by a length greater than the snap-in portion protrudes rearward.

As a further improvement of the present utility model, the insulating body has a fastening groove formed to be recessed downward from its top surface to accommodate the fixing member, and at least one protruding portion protruding in a lateral direction is provided in the fastening groove to clamp the fixing member.

As a further improvement of the present utility model, a plurality of the protruding portions are provided in the snap groove, the protruding portions being disposed on both sides of the fixing member in the lateral direction.

As a further improvement of the present utility model, each of the protruding portions is in a strip shape extending in the height direction.

The utility model has the beneficial effects that: according to the electric connector, the elastic clamping arms are arranged on the side parts of the conductive terminals, and the fixing pieces arranged in the insulating body are utilized to resist the clamping arms, so that the conductive terminals are prevented from retreating backwards, the problems that misplug and electric conduction cannot be realized due to the fact that the clamping grooves are directly formed in the insulating body are avoided, and the electric connector is simple in structure and convenient to manufacture.

Drawings

Fig. 1 is a perspective assembly view of an electrical connector of the present utility model.

Fig. 2 is a partially exploded view of the electrical connector shown in fig. 1.

Fig. 3 is a further exploded view of the electrical connector shown in fig. 2.

Fig. 4 is a perspective view of the conductive terminals of the electrical connector of fig. 2.

Fig. 5 is a view of the conductive terminal of fig. 4 from another perspective.

Fig. 6 is a perspective view of a mount of the electrical connector of fig. 2.

Fig. 7 is another view of the fastener of fig. 6.

Fig. 8 is a partial view of the dielectric body of the electrical connector of fig. 2.

Fig. 9 is a cross-sectional view of the electrical connector shown in fig. 1.

Detailed Description

The present utility model will be described in detail below with reference to embodiments shown in the drawings. The embodiment is not intended to limit the present utility model, and structural, methodological, or functional modifications of the utility model according to the embodiment are included in the scope of the utility model.

Referring to fig. 1 to 9, an electrical connector 100 according to a preferred embodiment of the present utility model is shown, wherein the electrical connector 100 includes an insulative housing 1, a plurality of conductive terminals 2 fixed in the insulative housing 1, and a fixing member 3 mounted on the insulative housing 1. In addition, in the present utility model, the electrical connector 100 further has a cable 5 mechanically and electrically connected to the conductive terminal 2.

For convenience of description, the description will be made below with the mating end of the electrical connector 100 being regarded as the front end and the terminal being regarded as the rear end, that is, the front-rear direction is the mating direction of the electrical connector 100 and the mating connector (not shown), and at the same time, one direction perpendicular to the front-rear direction is defined as the lateral direction, and the other direction perpendicular to the front-rear direction is defined as the height direction, in this embodiment, the dimension of the insulating body 1 in the lateral direction is larger than the dimension thereof in the height direction and the front-rear direction.

Referring to fig. 1 to 3 and fig. 8 to 9, in the present embodiment, the insulating body 1 has a plurality of terminal slots 101 extending along a front-rear direction to accommodate the corresponding conductive terminals 2, and each conductive terminal 2 is disposed in one-to-one correspondence with the terminal slot 101.

In addition, the insulating body 1 has a fastening groove 102 formed to be recessed downward from a top surface thereof to accommodate the fixing member 3, at least one protruding portion 103 is provided in the fastening groove 102, and the protruding portion 103 protrudes in a lateral direction to clamp the fixing member 3.

Specifically, in the present embodiment, a plurality of the protruding portions 103 are provided in the fastening groove 102, and the protruding portions 103 are partially disposed on both sides of the fixing member 3 in the lateral direction; further, each of the protruding portions 103 has a stripe shape extending in the height direction, that is, the extending direction thereof is the same as the mounting direction of the fixing member 3.

In addition, the insulating body 1 further has a fastening protrusion 104 located in the fastening groove 102, and the fastening protrusion 104 is located at an upper end of the fastening groove 102.

As shown in fig. 2 to 5 and 9, in the present utility model, each conductive terminal 2 has a holding portion 21, a contact portion 202 located at the front side of the holding portion 21, and a pressing portion 23 located at the rear side of the holding portion 21 to wrap the cable.

Specifically, the holding portion 21 includes a top wall 211 and a bottom wall 212 which are opposite to each other in the height direction and are arranged at intervals, a side wall 213 connecting one side of the top wall 211 and the bottom wall 212 in the lateral direction, and a holding arm 214 which extends rearward from the side wall 213 and is formed by bending outward, wherein the holding arm 214 has elasticity and the free end thereof abuts against the front end surface of the fixing member 3. In this way, by providing the holding arm 214 on one side of the conductive terminal 2 in the lateral direction, the problem that the holding arm is provided in the height direction, which results in an oversized height of the conductive terminal 2 and a high fitting configuration of the insulating body 1 is required is avoided. Further, in the present embodiment, a relief groove 1012 into which the free end of the retaining arm 214 extends is provided in each of the terminal grooves 101.

Each of the conductive terminals 2 also has a pair of contact arms 22 formed extending forward from the top wall 211 and the bottom wall 212, respectively, the pair of contact arms 22 being disposed opposite each other in the height direction, and each of the contact arms 22 having the contact portion 202 formed protruding toward the other contact arm 22.

As shown in fig. 2 to 3, 6 to 7 and 9, the fixing member 3 has a plurality of receiving grooves 301 corresponding to the terminal grooves 101, in the present utility model, the receiving grooves 301 are disposed in a one-to-one correspondence with the terminal grooves 101 to receive the corresponding conductive terminals 2, and the pressing portions 23 extend backward and are received in the corresponding receiving grooves 301.

The fixing member 3 further has a pair of widened portions 3012 disposed in each of the receiving grooves 301, and the widened portions 3012 are disposed at the front side of the corresponding receiving groove 301, so that the wall portions defining the corresponding receiving groove 301 are thickened to abut against the insulating body 1 and the retaining arms 214.

The fixing member 3 further comprises a base 31 and a foolproof portion 32 protruding rearward from a rear surface of the base 31, the accommodating groove 301 is formed on the base 31 in a penetrating manner, and the foolproof portion 32 is asymmetrically disposed on an upper side of the accommodating groove 301. Further, the upper surface of the fool-proof portion 32 is disposed coplanar with the top surface of the base 31, and the top surface of the base 31 is coplanar with the upper surface of the insulating body 1, so that a neat configuration is formed after the fixing member 3 is assembled.

The fixing member 3 further has a fastening portion 34 disposed offset from the fool-proof portion 32 in a lateral direction, and the fastening portion 34 protrudes rearward from the rear surface of the base 31 and is disposed at an interval from the top surface of the base 31 in a height direction. The fastening portion 34 passes over the fastening protrusion 104 downward and is fastened to the fastening member 3 when it is assembled.

In addition, the fixing member 3 further has a groove 303 located at one side of the receiving groove 301 in the height direction, the groove 303 is formed by recessing backward from the front surface of the base 31, the fool-proof portion 32 and the fastening portion 34 are protruded at the rear side of the base 31, and the fool-proof portion 32 is protruded backward by a length greater than the fastening portion 34. In addition, in the present utility model, the grooves 303 do not penetrate the base 31 back and forth, which is used to prevent the fixing member 3 from shrinking due to an excessive thickness during injection molding.

The electric connector 100 of the present utility model, by providing the elastic clamping arm 214 at the side of the conductive terminal 2, uses the fixing member 3 installed in the insulating body 1 to resist the clamping arm 214, thereby preventing the conductive terminal 2 from backing out backward, avoiding the problems of misplug and failure in electrical conduction caused by directly opening the clamping groove on the insulating body 1, and the electric connector 100 has a simple structure and is convenient to manufacture.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above embodiments are only for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. The utility model provides an electric connector, its includes the insulator, is fixed in a plurality of conductive terminal and the mounting of installing in the insulator, the insulator has a plurality of terminal grooves that extend in order to accept corresponding conductive terminal along fore-and-aft direction, the mounting has a plurality of accepting grooves that correspond to the terminal groove and set up, every conductive terminal has a fixed part, is located the contact part of fixed part front side and is located the line ball portion of fixed part rear side in order to wrap up the cable, its characterized in that: the fixing part comprises a top wall, a bottom wall, a side wall and a clamping arm, wherein the top wall and the bottom wall are opposite in the height direction and are arranged at intervals, the side wall is used for connecting one sides of the top wall and the bottom wall in the transverse direction, the clamping arm is formed by extending backwards from the side wall and bending outwards, and the free tail end of the clamping arm is elastic and is abutted to the front end face of the fixing piece.

2. The electrical connector of claim 1, wherein: the fixing piece is also provided with a pair of widened parts which are oppositely arranged in each accommodating groove, and the widened parts are arranged at the front sides of the corresponding accommodating grooves so as to thicken the wall parts which limit the corresponding accommodating grooves and abut against the insulating body and the clamping arms.

3. The electrical connector of claim 2, wherein: each terminal groove is internally provided with a yielding groove for the free tail end of the clamping arm to stretch in, the accommodating grooves are arranged in one-to-one correspondence with the terminal grooves so as to accommodate corresponding conductive terminals, and the wire pressing parts extend backwards and are accommodated in the corresponding accommodating grooves.

4. The electrical connector of claim 1, wherein: the fixing piece is further provided with a base body and a fool-proof part formed by protruding backwards from the rear surface of the base body, the containing groove is formed on the base body in a penetrating mode, and the fool-proof part is asymmetrically arranged on the upper side of the containing groove.

5. The electrical connector of claim 4, wherein: the upper surface of the fool-proof part is arranged coplanar with the top surface of the base body.

6. The electrical connector of claim 4, wherein: the fixing piece is further provided with a buckling part which is arranged in a dislocation mode on the foolproof part in the transverse direction, and the buckling part protrudes backwards from the rear surface of the base body to form and is arranged at intervals on the top surface of the base body in the height direction.

7. The electrical connector of claim 6, wherein: the fixing piece is further provided with a groove positioned at one side of the accommodating groove in the height direction, the groove is formed by recessing backwards from the front surface of the base body, the fool-proof part and the buckling part are arranged on the rear side of the base body in a protruding mode, and the length of the fool-proof part protruding backwards is larger than that of the buckling part protruding backwards.

8. The electrical connector of any one of claims 1 to 7, wherein: the insulation body is provided with a buckling groove which is formed by downwards sinking from the top surface of the insulation body to accommodate the fixing piece, at least one protruding part is arranged in the buckling groove, and the protruding part protrudes along the transverse direction to clamp the fixing piece.

9. The electrical connector of claim 8, wherein: the buckling groove is internally provided with a plurality of protruding parts, and the protruding parts are arranged on two sides of the fixing piece in the transverse direction.

10. The electrical connector of claim 9, wherein: each protruding part is in a strip shape extending along the height direction.