CN111355081A

CN111355081A - Cable clamping mechanism of connector

Info

Publication number: CN111355081A
Application number: CN202010216797.4A
Authority: CN
Inventors: 张海旭
Original assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Current assignee: Shanghai Aerospace Science and Industry Appliance Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-06-30

Abstract

The invention discloses a cable clamping mechanism of a connector, which comprises an upper shell, a lower shell, a wire clamp, a cable and a wiring terminal component, wherein the upper shell is provided with a first clamping groove; the invention adopts an upper shell and a lower shell to replace a plug shell or a socket shell of a connector, a U-shaped cable seat is arranged on the lower shell, a cable clamp sliding groove and a sawtooth bayonet are arranged on the cable seat, ratchets are arranged on elastic arms at two sides of a cable clamp, the cable clamp is arranged in the cable clamp sliding groove of the cable seat on the lower shell, the ratchets of the elastic arms are clamped with the sawtooth bayonet, and the cable is clamped between an arc surface of the cable clamp and the U-shaped cable seat of the lower shell, so that the fixation of the tail end of the cable is completed. The invention has the advantages of simple structure, convenient installation and operation and safe and reliable wiring.

Description

Cable clamping mechanism of connector

Technical Field

The invention relates to the technical field of electric connectors, in particular to a cable clamping mechanism of a connector, which is used for fixing a connector at the tail end of a cable.

Background

The connector that connects great large-scale cable most all need fix the cable tail end, prevent that the cable from deviating from in the binding post of connector under the exogenic action, lead to connecting inefficacy, influence the normal use of product, the fixed cable of prior art adopts the clamping piece structure of two formula mostly, install fixedly through the screw, the fixed cable of this type of structure has extra holder, and there is the problem that the secondary is fixed again between holder and the connector casing, there is the structure complicacy, install complex operation's defect.

Disclosure of Invention

The invention aims to provide a cable clamping mechanism of a connector aiming at the defects of the prior art, the cable clamping mechanism adopts an upper shell and a lower shell to replace a plug shell or a socket shell of the connector, a U-shaped cable seat is arranged on the lower shell, a cable clamp sliding groove and a sawtooth bayonet are arranged on the cable seat, ratchets are arranged on elastic arms at two sides of a cable clamp, the cable clamp is arranged in the cable clamp sliding groove of the cable seat on the lower shell, and the cable is clamped between an arc surface of the cable clamp and the U-shaped cable seat of the lower shell through the clamping connection of the ratchets of the elastic arms and the sawtooth bayonet, so that the tail end of the cable is fixed. The invention has the advantages of simple structure, convenient installation and operation and safe and reliable wiring.

The specific technical scheme for realizing the purpose of the invention is as follows:

a cable clamping mechanism of a connector is characterized by comprising an upper shell, a lower shell, a wire clamp, a cable and a wiring terminal component,

the upper shell and the lower shell are rectangular half shell parts which are mutually buckled, a first limiting groove is arranged at the front end of the upper shell 1, a limiting boss and a cable through hole are arranged at the tail end of the upper shell, a second limiting groove corresponding to the first limiting groove is arranged at the front end of the lower shell, a U-shaped cable seat is arranged at the tail end of the lower shell, cable clamp sliding grooves are symmetrically arranged on two side walls of the cable seat, chamfers are arranged at the tops of the cable clamp sliding grooves, and sawtooth bayonets are arranged below the chamfers;

the wire clamp is a W-shaped elastic sheet, the middle part of the elastic sheet is provided with an arc surface, two sides of the elastic sheet are symmetrically provided with elastic arms, the arc surface is provided with protruding convex ribs, and the elastic arms are provided with ratchets;

the wiring terminal assembly is provided with a terminal interface and a locking bolt;

the upper shell is buckled with the lower shell;

the wiring terminal assembly is arranged between the first limiting groove and the second limiting groove of the upper shell and the lower shell;

the cable is arranged between the cable through hole of the upper shell and the cable through hole of the lower shell and the U-shaped cable seat, the elastic arms on two sides of the cable clamp are arranged in the cable clamp sliding groove of the cable seat on the lower shell, the arc surface and the convex rib of the cable clamp are contacted with the cable, the ratchet of the elastic arms is clamped with the sawtooth bayonet, and the limiting boss of the upper shell is arranged between the elastic arms on two sides of the cable clamp.

The upper shell and the lower shell are connected through screws.

And the wire core of the cable is connected with the terminal interface of the wiring terminal assembly.

The locking bolt fixedly connects the wiring terminal assembly with the upper shell and the lower shell and the butt joint end.

The invention adopts the upper shell and the lower shell to replace a plug shell or a socket shell of a connector, the lower shell is provided with a U-shaped cable seat, the cable seat is provided with a cable clamp sliding chute and a sawtooth bayonet, the elastic arms at two sides of the cable clamp are provided with ratchets, the cable clamp is arranged in the cable clamp sliding chute of the cable seat on the lower shell, and the cable is clamped between the arc surface of the cable clamp and the U-shaped cable seat of the lower shell through the clamping of the ratchets of the elastic arms and the sawtooth bayonet, thereby completing the fixation of the tail end of the cable. The invention has the advantages of simple structure, convenient installation and operation and safe and reliable wiring.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly of the lower housing with the wire clamp, cable and terminal assembly;

FIG. 3 is a schematic view of a cable clamp installed in use;

FIG. 4 is a schematic enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic structural view of a wire clamp.

Detailed Description

Referring to fig. 1, 2 and 3, the present invention includes an upper case 1, a lower case 2, a wire clamp 3, a cable 4 and a terminal assembly 5; go up casing 1 and lower casing 2 for the half shell part of rectangle of mutual lock, the front end of going up casing 1 is equipped with first spacing groove 11, and the tail end is equipped with spacing boss 13 and cable via hole 12.

Referring to fig. 2, 3 and 4, the front end of the lower housing 2 is provided with a second limiting groove 21 corresponding to the first limiting groove 11, the tail end of the lower housing is provided with a U-shaped cable seat 22, two side walls of the cable seat 22 are symmetrically provided with cable clamp sliding grooves, the top of each cable clamp sliding groove is provided with a chamfer 222, and a saw-tooth bayonet 221 is arranged below the chamfer 222.

Referring to fig. 2, 3 and 5, the wire clip 3 is a W-shaped spring plate, the middle of the spring plate is provided with an arc surface 33, two sides of the spring plate are symmetrically provided with elastic arms 31, the arc surface 33 is provided with protruding ribs 34, and the elastic arms 31 are provided with ratchets 32.

Referring to fig. 1 and 2, the terminal assembly 5 is provided with a terminal interface 51 and a locking bolt 52.

Referring to fig. 1 and 2, the upper housing 1 is fastened to the lower housing 2; the terminal assembly 5 is disposed between the first and second

limiting grooves

11 and 21 of the upper and

lower cases

1 and 2.

Referring to fig. 2, 3 and 4, the cable 4 is disposed between the cable through hole 12 of the upper housing 1 and the cable through hole 12 of the lower housing 2 and the U-shaped cable seat 22, the elastic arms 31 at two sides of the cable clamp 3 are disposed in the cable clamp sliding grooves of the cable seat 22 on the lower housing 2, the arc surface 33 and the convex rib 34 of the cable clamp 3 contact with the cable 4, the ratchet 32 of the elastic arm 31 is clamped with the saw tooth bayonet 221, and the limit boss 13 of the upper housing 1 is disposed between the elastic arms 31 at two sides of the cable clamp 3.

Referring to fig. 1 and 2, the upper housing 1 and the lower housing 2 are connected by screws 14.

Referring to fig. 1 and 2, the core of the cable 4 is connected to the terminal interface 51 of the terminal block assembly 5.

Referring to fig. 1 and 2, the locking bolt 52 secures the terminal assembly 5 together with the upper and

lower housings

1 and 2 to the mating terminal.

Examples

Referring to fig. 2, 3 and 4, the assembly process of the cable of the present invention is as follows: stripping the wire core of the wire cable 4, connecting the wire core of the wire cable 4 with the terminal interface 51 of the wire connecting terminal assembly 5, installing the wire connecting terminal assembly 5 in the lower shell 2, positioning the wire cable 4 through the second limiting groove 21, placing the wire cable 4 in the U-shaped wire cable seat 22 of the lower shell 2, arranging the wire clamp 3 in the wire clamp sliding groove of the wire cable seat 22 on the lower shell 2, pressing downwards, leading the ratchet 32 of the elastic arm 31 on the wire clamp 3 to be clamped with the sawtooth bayonet 221 through the guide of the upper chamfer 222 of the wire clamp sliding groove, and clamping the wire cable 4 between the arc surface 33 of the wire clamp 3 and the U-shaped wire cable seat 22 of the lower shell 2; the upper shell 1 and the lower shell 2 are buckled, the wiring terminal assembly 5 is arranged in the first limiting groove 11 of the upper shell 1, the upper shell 1 and the lower shell 2 are fixedly connected through the screws 14, and finally the wiring terminal assembly 5 is locked with the upper shell 1 and the lower shell 2 through adjusting the locking bolts 52, so that the assembly process of the cable is completed.

After the cable assembly is completed, the terminal assembly 5 is fixedly coupled to the butt ends together with the upper and

lower cases

1 and 2 by the locking bolts 52.

Referring to fig. 3, 4 and 5, in order to ensure the clamping force of the wire clamp 3 and the U-shaped wire seat 22 of the lower shell 2 on the wire 4, the invention arranges a protruding rib 34 on the arc surface 33 of the wire clamp 3 to enhance the compressive stress of the rib 34 on the wire 4.

Referring to fig. 3, 4 and 5, wire clamp chutes are symmetrically arranged on two side walls of the cable seat 22 on the lower shell 2, a chamfer 222 is arranged at the top of the wire clamp chute, and a saw-tooth bayonet 221 is arranged below the chamfer 222; the arrangement of the wire clamp sliding groove and the chamfer 222 is beneficial to guiding and positioning the wire clamp 3 when in arrangement, and the clamping position of the ratchet 32 and the sawtooth bayonet 221 of the wire clamp 3 is convenient to adjust so as to clamp the cables 4 with different outer diameters.

Referring to fig. 3 and 4, in order to prevent the ratchet 32 and the saw tooth bayonet 221 of the wire clamp 3 from being dislocated due to external force interference, the limiting boss 13 is arranged on the upper shell 1, after the upper shell 1 and the lower shell 2 are buckled, the limiting boss 13 of the upper shell 1 is positioned between the elastic arms 31 at two sides of the wire clamp 3, and the rebound space of the elastic arms 31 on the wire clamp 3 is arranged, so that the working reliability under the environment of external force interference or vibration is ensured.

Referring to fig. 2 and fig. 1, the plug housing of the connector is replaced by the upper housing 1 and the lower housing 2, the U-shaped cable seat 22 is arranged on the lower housing 2, the cable 4 is clamped by the wire clamp 3 and the U-shaped cable seat 22 of the lower housing 2, and the clamping structure of the cable is implanted into the upper housing 1 and the lower housing 2, so that the fixation of the plug housing and the tail end of the cable is completed. The invention has the advantages of simple structure, convenient installation and operation and safe and reliable wiring.

Claims

1. A cable clamping mechanism of a connector is characterized by comprising an upper shell (1), a lower shell (2), a cable clamp (3), a cable (4) and a wiring terminal assembly (5);

the cable connector comprises an upper shell (1) and a lower shell (2), wherein the upper shell (1) and the lower shell (2) are rectangular half shell parts which are buckled with each other, a first limiting groove (11) is arranged at the front end of the upper shell (1), a limiting boss (13) and a cable through hole (12) are arranged at the tail end of the upper shell, a second limiting groove (21) corresponding to the first limiting groove (11) is arranged at the front end of the lower shell (2), a U-shaped cable seat (22) is arranged at the tail end of the lower shell, cable clamp sliding grooves are symmetrically arranged on two side walls of the cable seat (22), a chamfer (222) is arranged at the top of each cable clamp sliding groove;

the wire clamp (3) is a W-shaped elastic sheet, the middle part of the elastic sheet is provided with an arc surface (33), two sides of the elastic sheet are symmetrically provided with elastic arms (31), the arc surface (33) is provided with a protruding convex rib (34), and the elastic arms (31) are provided with ratchets (32);

the wiring terminal component (5) is provided with a terminal interface (51) and a locking bolt (52);

the upper shell (1) is buckled with the lower shell (2);

the wiring terminal component (5) is arranged between the first limiting groove (11) and the second limiting groove (21) of the upper shell (1) and the lower shell (2);

the cable (4) is arranged between the cable through hole (12) of the upper shell (1) and the cable through hole (12) of the lower shell (2) and the U-shaped cable seat (22), the elastic arms (31) on two sides of the cable clamp (3) are arranged in the cable clamp sliding grooves of the cable seat (22) on the lower shell (2), the arc surface (33) and the convex ribs (34) of the cable clamp (3) are contacted with the cable (4), the ratchets (32) of the elastic arms (31) are clamped with the sawtooth bayonets (221), and the limiting bosses (13) of the upper shell (1) are arranged between the elastic arms (31) on two sides of the cable clamp (3).

2. A cable clamping mechanism of a connector according to claim 1, wherein the upper housing (1) and the lower housing (2) are connected via a screw (14).

3. A cable clamping mechanism of a connector according to claim 1, wherein the core of the cable (4) is connected to the terminal interface (51) of the terminal assembly (5).

4. A cable retention mechanism for a connector according to claim 1, wherein the cable retention mechanism comprises a spring biased member which is biased into a first position in which the spring is biased into the first position

The locking bolt (52) fixedly connects the terminal assembly (5) together with the upper shell (1) and the lower shell (2) with the butt joint end.