CN211320437U

CN211320437U - Electric plug and electric connector assembly using same

Info

Publication number: CN211320437U
Application number: CN202020355343.0U
Authority: CN
Inventors: 宋丽娟; 秦玥; 陈惠真
Original assignee: Henan Changji Electric Power Co ltd
Current assignee: Henan Changji Electric Power Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-08-21
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to an electric plug and use electric connector assembly of this electric plug. The utility model discloses an electric plug includes that the axis sets up the coupling nut on plug housing along the plug housing and rotation that the fore-and-aft direction extends, be equipped with insulator and cable clamp in the plug housing, be equipped with the block structure of block insulator forward on plug housing's the inner wall, the front end of cable clamp cooperates in order to be structural at the block with its roof pressure with the insulator roof pressure, the screw thread is equipped with the tail cap on the plug housing, the tail cap passes through throat structure cooperation with the cable clamp, like this, the insulator is just in plug housing through the cooperation restriction of cable clamp and block structure, avoid adopting other structures, thereby make the utility model discloses an electric plug simple structure.

Description

Electric plug and electric connector assembly using same

Technical Field

The utility model relates to an electric plug and use electric connector assembly of this electric plug.

Background

In electrical engineering, it is often necessary to use electrical connector assemblies for making connections between circuits. Electrical connector assemblies typically include a plug and a receptacle, wherein the plug and receptacle each include a respective housing and an insulator, contact, etc. disposed in the housing. The plug generally sets up on the cable harness, consequently needs corresponding cable clamping structure, all adopts the jack catch clamping structure generally. For example, chinese patent document No. CN209266728U discloses a multi-thread locking connector, which includes a needle insulator, a claw, a pin, a press ring, a plug housing, a first snap ring, a second snap ring, a connection nut, a corrugated spring, a first cable clamp, a second cable clamp, and a tail nut, wherein the corrugated spring is disposed inside the connection nut, a clamping groove is disposed outside the plug housing, and the corrugated spring can be clamped inside the clamping groove. The insulator of this kind of plug passes through the clamping ring structure to be fixed in the casing, and the clamping ring structure generally adopts barb structure, like this, need set up corresponding draw-in groove on plug and insulator, like this, causes the problem that the structure of plug is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric plug, which solves the problem that the existing plug has a complex structure; and simultaneously, the utility model also provides an electric connector subassembly of using above-mentioned electric plug.

The electric plug of the utility model adopts the following technical proposal:

the plug comprises a plug shell and a connecting nut, wherein the axis of the plug shell extends along the front-back direction, the connecting nut is rotatably arranged on the plug shell, an insulator and a cable clamp are arranged in the plug shell, a blocking structure for blocking the insulator forwards is arranged on the inner wall of the plug shell, the front end of the cable clamp is in jacking fit with the insulator so as to jack the front end of the cable clamp on the blocking structure, a tail cap is assembled on the plug shell through threads, and the tail cap is matched with the cable clamp through a necking structure.

The stop structure is a stop table arranged on the inner wall of the plug shell.

The blocking platform is a ring platform.

The rear end of the insulator is provided with a buffer block, and the cable clamp is in press fit with the insulator through the buffer block.

The cable clamp is characterized in that a groove is formed in the buffer block, and a jacking head matched with the groove is arranged at the front end of the cable clamp.

The necking structure comprises an inner conical surface which is arranged on the tail cap and is big in front and small in back, and an outer conical surface which is arranged on the periphery of the cable clamp and is matched with the inner conical surface.

The utility model discloses an electric connector assembly adopts following technical scheme:

the electric connector assembly comprises an electric plug and an electric socket, wherein the electric plug comprises a plug shell and a connecting nut, the axis of the plug shell extends along the front-back direction, the connecting nut is rotatably arranged on the plug shell, an insulator and a cable clamp are arranged in the plug shell, a blocking structure for blocking the insulator forwards is arranged on the inner wall of the plug shell, the front end of the cable clamp is in jacking fit with the insulator so as to jack the front end of the cable clamp on the blocking structure, a tail cap is assembled on the plug shell through threads, and the tail cap is matched with the cable clamp through a necking structure.

The blocking platform is a ring platform.

The utility model has the advantages that: the utility model discloses an electric plug includes that the axis sets up the coupling nut on plug housing along the plug housing and rotation that the fore-and-aft direction extends, be equipped with insulator and cable clamp in the plug housing, be equipped with the block structure of block insulator forward on plug housing's the inner wall, the front end of cable clamp cooperates in order to be structural at the block with its roof pressure with the insulator roof pressure, the screw thread is equipped with the tail cap on the plug housing, the tail cap passes through throat structure cooperation with the cable clamp, like this, the insulator is just in plug housing through the cooperation restriction of cable clamp and block structure, avoid adopting other structures, thereby make the utility model discloses an electric plug simple structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of an electrical plug in an embodiment of an electrical connector assembly of the present invention;

FIG. 2 is a schematic structural view of the cable clamp of FIG. 1;

FIG. 3 is a schematic structural view of the tail cap of FIG. 1;

in the figure: 1. a plug housing; 2. a connecting nut; 3. a tail cap; 4. a buffer block; 5. an insulator; 6. a cable clamp; 11. blocking the platform; 61. a spring claw; 62. an outer conical surface; 63. a pressing head is pressed; 64. splitting a groove; 31. an inner conical surface.

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.

The utility model discloses an embodiment of electric connector subassembly, as shown in fig. 1 to fig. 3, the electric connector subassembly, including electric plug and electric socket, the electric plug includes that the axis sets up the coupling nut 2 on the plug housing 1 along plug housing 1 and rotation that the fore-and-aft direction extends, be equipped with insulator 5 and cable clamp 6 in the plug housing 1, be equipped with the block structure of block insulator 5 forward on the inner wall of plug housing 1, the front end of cable clamp 6 and the cooperation of insulator 5 roof pressure are in order to be its roof pressure at the block structure, the screw thread is equipped with tail cap 3 on the plug housing 1, tail cap 3 and cable clamp 6 pass through the throat structure cooperation.

In the present embodiment, the stopper structure is a stopper 11 provided on the inner wall of the plug housing 1, and the stopper 11 is a ring. By adopting the ring platform structure, the stress in the blocking process can be more uniform, and the reliability of blocking positioning is ensured. Meanwhile, the ring platform structure is convenient to process.

In order to avoid the damage to the insulator 5 caused by rigid contact when the cable clamp 6 presses the insulator 5, in the embodiment, the rear end of the insulator 5 is provided with the buffer block 4, and the cable clamp 6 is in pressing fit with the insulator 5 through the buffer block 4, so that the pressing of the cable clamp 6 can be ensured to be elastic pressing. Meanwhile, the structure is adopted, the cable and the insulator 5 are connected in an elastic buffering mode, the situation that the cable is dragged to influence the positioning of the insulator 5 is avoided, and the stability of the electric plug is improved.

In this embodiment, be equipped with the recess on the buffer block 4, the front end that the cable pressed from both sides 6 is equipped with the top pressure head 63 with the recess adaptation, and the stability of structure is guaranteed in the location of the top pressure head 63 of being convenient for like this.

In this embodiment, the throat structure includes the big-end-up's of the front inner conical surface 31 and the outer conical surface 62 that sets up on the periphery of cable clamp 6, with inner conical surface 31 adaptation that sets up on tail cap 3, adopts the interior outer conical surface 62 complex structure to make the pressure-on-process atress more reliable, simultaneously, also is convenient for process. The cable clamp 6 is structured as shown in fig. 2, a plurality of split grooves 64 are distributed at the rear end of the cable clamp 6, and the rear end of the cable clamp 6 forms an elastic split structure with a plurality of spring claws 61 through the split grooves 64, so that the cable can be clamped when the cable clamp is subjected to a pressing force.

The utility model discloses during the installation, install insulator 5 and buffer block 4 in plug housing 1's inner chamber earlier, then press from both sides 6 and tail cap 3 installation with the cable again, because tail cap 3 and plug housing 1 pass through the helicitic texture and connect, rotate tail cap 3, tail cap 3 will move forward, in the removal process, the internal conical surface 31 of tail cap 3 and the outer conical surface 62 extrusion fit of cable clamp 6, thereby press from both sides the cable in the tight cable clamp 6, and simultaneously, tail cap 3 again through cable clamp 6 forward roof pressure buffer block 4 and insulator 5, press from both sides 5 roof pressure of insulator on fender platform 11, and like this, insulator 5 just keeps off the cooperation restriction of platform 11 promptly in plug housing 1 through cable clamp 6 and block structure, avoid adopting other structures, thereby make the utility model discloses an electric plug simple structure.

In other embodiments of the present invention, the blocking platforms arranged at intervals can be arranged in the inner cavity of the plug shell; the blocking structure can also adopt a blocking column; the cable clamp can also be directly matched with the insulator without arranging a buffer block.

The utility model discloses an embodiment of electric plug, the structure of electric plug is the same with the structure of the electric plug in the embodiment of above-mentioned electric connector subassembly, and is no longer repeated here.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The electric plug, including the axis along the plug housing and the rotation setting that the fore-and-aft direction extends and be in coupling nut on the plug housing, be equipped with insulator and cable clamp, its characterized in that in the plug housing: the inner wall of the plug shell is provided with a blocking structure for blocking the insulator forwards, the front end of the cable clamp is in jacking fit with the insulator so as to jack the front end of the cable clamp on the blocking structure, the plug shell is provided with a tail cap in a threaded manner, and the tail cap is matched with the cable clamp through a necking structure.

2. The electrical plug according to claim 1, wherein: the stop structure is a stop table arranged on the inner wall of the plug shell.

3. The electrical plug according to claim 2, wherein: the blocking platform is a ring platform.

4. An electrical plug according to any one of claims 1 to 3, wherein: the rear end of the insulator is provided with a buffer block, and the cable clamp is in press fit with the insulator through the buffer block.

5. The electrical plug according to claim 4, wherein: the cable clamp is characterized in that a groove is formed in the buffer block, and a jacking head matched with the groove is arranged at the front end of the cable clamp.

6. An electrical plug according to any one of claims 1 to 3, wherein: the necking structure comprises an inner conical surface which is arranged on the tail cap and is big in front and small in back, and an outer conical surface which is arranged on the periphery of the cable clamp and is matched with the inner conical surface.

7. Electric connector subassembly, including electric plug and electric socket, its characterized in that: the electrical plug is an electrical plug according to any one of claims 1 to 6.