CN215732280U - Cable connector - Google Patents

Abstract

The utility model discloses a cable connector, which comprises an insulating body, conductive terminals and a cable, wherein the conductive terminals are forwardly inserted into the insulating body and comprise contact parts and connecting parts which are connected in a forward and backward mode, the connecting parts are connected with the cable together, the cable extends out of the insulating body in a backward mode, the cable connector also comprises a positioning part assembled on the insulating body, the positioning part comprises an elastic arm, the elastic arm is forwardly abutted against the conductive terminals to lock the conductive terminals and prevent the conductive terminals from retreating, when the cable pulls the conductive terminals along the pulling-out direction (backward) of the conductive terminals, the elastic arm is stressed and radially buckled inwards and is pressed gradually, the conductive terminals are prevented from retreating, and the structure of the cable connector is ensured to be reliable and stable.

Description

Cable connector

Technical Field

The present invention relates to a cable connector, and more particularly, to a cable connector having conductive terminals and a cable.

Background

The wiring connector is a commonly used connector, generally including insulator, conductive terminal and cable, conductive terminal assembles in insulator, cable one end is connected with conductive terminal, another one end extends insulator backward, during the equipment, usually at first conductive terminal and cable rigid coupling, then insert conductive terminal and accomplish the equipment in the insulator, because conductive terminal takes the cable, to the equipment has certain influence, guarantee conductive terminal installs in place and guarantee conductive terminal stably places the perfect problem in insulator all be urgent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable connector with a conductive terminal for preventing from withdrawing.

In order to achieve the purpose, the utility model adopts the following technical scheme: a cable connector comprises an insulating body, a conductive terminal and a cable, wherein the conductive terminal is inserted into the insulating body forwards, the conductive terminal comprises a contact part and a connecting part which are connected front and back, the connecting part is connected with the cable together, the cable extends out of the insulating body backwards, the cable connector further comprises a positioning part assembled on the insulating body, and the positioning part comprises an elastic arm which is pushed against the conductive terminal forwards.

In a further improvement, a positioning hole is formed in the rear end face of the insulating body, the connecting portion is located in the positioning hole, and the elastic arm extends forwards into the positioning hole and abuts against the connecting portion forwards.

In a further improvement, the elastic arm laterally abuts against the cable.

In a further improvement, the elastic arm comprises a horizontal section and an inclined section extending from the front end of the horizontal section to the front and to the inner side, and the inclined section is abutted against the conductive terminal forwards.

In a further improvement, the positioning element includes a cover plate covering the rear end of the insulating body, the cover plate is provided with a through hole for the cable to pass through, and the elastic arm extends forwards from the cover plate.

In a further improvement, the elastic arms are arranged in pairs and are positioned at two opposite sides of the corresponding through hole.

In a further improvement, the resilient arms are arranged in pairs, each pair of the resilient arms being symmetrical to each other and together gripping the cable.

The improvement is further realized, connecting portion include preceding riveting ring and are located the back riveting ring at preceding riveting ring rear, the external diameter of preceding riveting ring is less than the external diameter of back riveting ring, the cable includes the wire and wraps up the insulating layer of wire, the front end of wire exposes the insulating layer, and with preceding riveting ring is riveted together, back riveting ring is riveted on the insulating layer, the elastic arm supports forward and leans on the rear end face of back riveting ring.

In a further improvement, a flange is arranged on the outer surface of the insulating body, the positioning piece further comprises a clamping arm extending forwards from the cover plate, a clamping block is arranged at the front end of the clamping arm, and the clamping block is clamped with the flange and used for limiting the positioning piece to move forwards and backwards.

In a further improvement, the insulating body comprises a main body part, an abutting part extending forwards from the main body part and a locking part integrally formed at the top of the main body part; the butt joint part is provided with a butt joint hole for accommodating the contact part; the lock catch part is in a T shape and comprises a supporting part, a pressing arm and a lock catch arm, the supporting part is convexly arranged on the top surface of the main body part, the pressing arm extends backwards from the top of the supporting part and is positioned above the main body part, the lock catch arm extends forwards from the top of the supporting part and is positioned above the butt joint part, and the front end of the lock catch arm is provided with a lock catch convex part protruding downwards.

The cable connector also comprises a positioning part assembled on the insulating body, wherein the positioning part comprises an elastic arm which is forwards abutted against the conductive terminal, the elastic arm of the positioning part locks the conductive terminal and can prevent the conductive terminal from retreating, and when the cable pulls the conductive terminal along the pulling-out direction (backwards) of the conductive terminal, the elastic arm is stressed, radially buckled inwards and compressed, so that the conductive terminal is prevented from retreating, and the structure of the cable connector is reliable and stable.

Drawings

Fig. 1 is a perspective view of a cable connector according to the present invention.

Fig. 2 is a perspective view of another angle of the cable connector of the present invention.

Fig. 3 is a perspective view of the cable connector of the present invention, without showing the insulating housing.

Fig. 4 is an exploded perspective view of the cable connector of the present invention, without showing the insulating housing.

Fig. 5 is an exploded perspective view of the cable connector of the present invention.

Fig. 6 is an exploded perspective view of another angle of the cable connector of the present invention.

Fig. 7 is a perspective view of the conductive terminal of the cable connector according to the present invention.

Fig. 8 is a perspective view of a positioning member of the cable connector of the present invention.

Detailed Description

Referring to fig. 1 to 8, the present invention discloses a cable connector 100 for plugging with a socket connector (not shown), which includes an insulating body 10, a positioning element 20, two rows of conductive terminals 30 and a cable 40.

The insulating body 10 includes a main body 11, a plurality of abutting portions 12 and a locking portion 13, the abutting portions 12 are arranged in two rows, each extending forward from the main body 11, and the locking portion 13 is integrally formed on the top of the main body 11.

The main body 11 is a strip extending left and right, two flanges 111 and a groove 112 between the two flanges 111 are respectively arranged at the rear ends of the top surface and the bottom surface, and two rows of positioning holes 113 are arranged at the rear end surface. In other embodiments, the flange 111 and/or the groove 112 may be provided on the left and right side surfaces of the main body 11.

The abutting portion 12 is provided with an abutting hole 123, and the abutting hole 123 is penetrated through the positioning hole 113 in the front-rear direction.

The locking portion 13 is T-shaped and includes a supporting portion 130, a pressing arm 131 and a locking arm 132, wherein the supporting portion 130 is protruded from the top surface of the main body 11. The pressing arm 131 extends rearward from the top of the support portion 130 and is located above the main body portion 11. The latch arm 132 extends forward from the top of the support 130 and is located above the mating part 12, parallel to the mating part 12; the front end of the latch arm 132 projects downward to form a latch protrusion 133 for latching downward on the receptacle connector. When the pressing arm 131 is pressed downward, the front end of the latch arm 132 may tilt upward, causing the latch protrusion 133 to move upward to disengage from the receptacle connector.

The positioning member 20 includes a cover plate 21, a plurality of engaging arms 22, at least one protrusion 23 and at least one position-limiting strip 24. The cover plate 21 is a vertical plate body, and is provided with two rows of through holes 213 penetrating through the cover plate 21 from front to back, and the through holes 213 are aligned with the positioning holes 113 on the insulating body 10 from front to back. The engaging arms 22, the protrusions 23 and the position-limiting strips 24 extend forward from the outer edge of the cover plate 21. The engaging arm 22 has an engaging block 221 at the front end thereof for engaging with the flange 111 of the insulating housing 10 in the backward direction, and the engaging block 221 has an inclined surface for guiding the engaging block 221 to move forward beyond the flange 111.

Further, the positioning member 20 further includes a plurality of pairs of elastic arms 25 extending forward from the cover plate 21, the number of the pairs of elastic arms 25 is the same as the number of the conductive terminals 30, and each pair of elastic arms 25 is located at two opposite sides (left and right sides or upper and lower sides) of the corresponding through hole 213 and is symmetrical to each other; the elastic arm 25 includes a horizontal section 251 and an inclined section 252 extending forward from the front end of the horizontal section 251 toward the inner side of the through hole 213. The inclined sections 252 of each pair of resilient arms 25 are spaced apart from one another. In other embodiments, the resilient arms need not be provided in pairs.

The conductive terminal 30 is a cylindrical structure and includes a contact portion 31 and a connection portion 32 connected front and back, the contact portion 31 extends forward into the mating hole 123 of the mating portion 12 of the insulative housing 10 for electrically contacting with the receptacle connector, the connection portion 32 is located in the positioning hole 113 of the main body 11 of the insulative housing 10, and the connection portion 32 is riveted with the cable 40. The connecting portion 32 includes a front rivet ring 321 and a rear rivet ring 322 spaced from the front rivet ring 321 in a front-rear direction, and an outer diameter of the front rivet ring 321 is smaller than an outer diameter of the rear rivet ring 322.

The front end of the cable 40 is connected to the conductive terminal 30, and the rear end thereof passes through the through hole 213 of the positioning member 20 and extends backward out of the insulating body 10 and the positioning member 20. The cable 40 includes a conductive wire 41 and an insulating layer 42 covering the conductive wire 41, the insulating layer 42 at the front end of the cable 40 is stripped, the insulating layer 42 is exposed at the front end of the conductive wire 41 and riveted with the front riveting ring 231, so that the cable 40 is electrically connected with the conductive terminal 30, and the insulating layer 42 is riveted with the rear riveting ring 232.

When the cable connector 100 of the present invention is assembled, firstly, the positioning element 20 is assembled forward at the rear end of the insulating body 10, the cover plate 21 covers the rear end face of the insulating body 10, the through hole 213 on the cover plate 21 is aligned forward and backward with the positioning hole 113 on the insulating body 10, the engaging block 221 of the engaging arm 22 passes forward over the flange 111 and then is engaged with the flange 111, so as to limit the forward and backward movement of the positioning element 20, the protrusion 23 abuts forward against the rear end face of the insulating body 10, the position-limiting strip 24 is positioned in the groove 112 of the insulating body 10, so as to limit the lateral movement of the positioning element 20; secondly, the conductive terminal 30 is fixedly connected with the cable 40; finally, the conductive terminal 30 and the cable 40 are inserted into the insulating body 10 and the positioning member 20 before, the contact portion 31 of the conductive terminal 20 extends forward into the mating hole 123 of the insulating body 10, the connecting portion 32 is located in the positioning hole 113 of the insulating body 10, the elastic arm 25 of the positioning member 20 is sprung open by the connecting portion 32, when the connecting portion 32 passes over the elastic arm 213 forward, the elastic arm 25 is reset, radially tightened and clamped on the insulating layer 42 of the cable 40, and meanwhile, the elastic arm abuts against the rear end face of the rear riveting ring 232 of the conductive terminal 30 forward to lock the conductive terminal 30, so as to prevent the conductive terminal 30 from moving backward, the cable 40 passes through the through hole 213 of the positioning member 20 after coming out of the positioning hole 113, and extends backward out of the positioning member 20, and the cable connector 100 is assembled.

The positioning member 20 of the cable connector 100 of the present invention is provided with the elastic arm 25, the elastic arm 25 abuts against the conductive terminal 20 forward to lock the conductive terminal 20, and prevent the conductive terminal 20 from retreating, when the cable 40 pulls the conductive terminal 30 along the pulling-out direction (backward) of the conductive terminal 30, the elastic arm 25 is stressed, radially buckles inward, and compresses tightly, so as to achieve the purpose of preventing the conductive terminal 30 from retreating, and ensure the structure to be reliable and stable.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims (10)

1. A cable connector comprises an insulating body, a conductive terminal and a cable, wherein the conductive terminal is inserted into the insulating body forwards, the conductive terminal comprises a contact part and a connecting part which are connected front and back, the connecting part is connected with the cable together, and the cable extends out of the insulating body backwards, and the cable connector is characterized in that: the positioning piece is assembled on the insulating body and comprises an elastic arm, and the elastic arm is forwards abutted against the conductive terminal.

2. The cable connector of claim 1, wherein: the rear end face of the insulating body is provided with a positioning hole, the connecting portion is located in the positioning hole, and the elastic arm extends forwards into the positioning hole and abuts against the connecting portion forwards.

3. The cable connector of claim 1, wherein: the elastic arm laterally abuts against the cable.

4. The cable connector of claim 1, wherein: the elastic arm comprises a horizontal section and an inclined section which extends forwards and inwards from the front end of the horizontal section, and the inclined section is forwards abutted against the conductive terminal.

5. The cable connector of claim 1, wherein: the locating piece is including hiding the apron of insulator rear end, the apron is equipped with the confession the through-hole that the cable passed, the elastic arm is followed the apron extends forward.

6. The cable connector of claim 4, wherein: the elastic arms are arranged in pairs and are positioned at two opposite sides of the corresponding through hole.

7. The cable connector of claim 1, wherein: the resilient arms are arranged in pairs, each pair of the resilient arms being symmetrical to each other and together gripping the cable.

8. The cable connector of claim 1, wherein: the connecting portion include preceding riveting ring and be located the back riveting ring at preceding riveting ring rear, the external diameter of preceding riveting ring is less than the external diameter of back riveting ring, the cable includes the wire and wraps up the insulating layer of wire, the front end of wire exposes the insulating layer, and with preceding riveting ring is riveted together, back riveting ring is riveted on the insulating layer, the elastic arm supports forward and leans on the rear end face of back riveting ring.

9. The cable connector of claim 5, wherein: the positioning piece is characterized in that a flange is arranged on the outer surface of the insulating body, the positioning piece further comprises a clamping arm extending forwards from the cover plate, a clamping block is arranged at the front end of the clamping arm, and the clamping block is clamped with the flange and used for limiting the positioning piece to move forwards and backwards.

10. The cable connector of claim 1, wherein: the insulating body comprises a main body part, a butt joint part extending forwards from the main body part and a locking part integrally formed at the top of the main body part; the butt joint part is provided with a butt joint hole for accommodating the contact part; the lock catch part is in a T shape and comprises a supporting part, a pressing arm and a lock catch arm, the supporting part is convexly arranged on the top surface of the main body part, the pressing arm extends backwards from the top of the supporting part and is positioned above the main body part, the lock catch arm extends forwards from the top of the supporting part and is positioned above the butt joint part, and the front end of the lock catch arm is provided with a lock catch convex part protruding downwards.

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