CN110389411B

CN110389411B - Connector assembly and connector thereof

Info

Publication number: CN110389411B
Application number: CN201811571207.9A
Authority: CN
Inventors: 曹合适; 石晓强; 郑伟涛; 武学顺
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2018-06-28
Filing date: 2018-12-21
Publication date: 2021-06-29
Anticipated expiration: 2038-12-21
Also published as: CN110389411A

Abstract

The invention relates to a connector assembly and a connector thereof, wherein the connector comprises more than two plug monomers, the front end of each plug monomer is a plugging end, the rear end of each plug monomer is a wiring end, the plugging end of each plug monomer is provided with an elastic arm for locking the connector and an adaptive connector, the connector also comprises a jacket fixedly sleeved outside each plug monomer for assembling each plug monomer together, a push-pull member is assembled between the jacket and the plug monomers in a guiding and moving manner along the front-back direction, and the push-pull member is provided with an elastic arm connecting part for driving the elastic arm to lock and unlock the connector and the adaptive connector in the reciprocating movement process of the push-pull member along the front-back direction. Compared with the prior art that the structure for guiding and limiting the push-pull piece needs to be additionally arranged on the jacket, the space between the jacket and the plug single body is utilized, the limit and the guide of the push-pull piece are realized, the parts of the connector are reduced, the integral structure of the connector is simplified, and the connector is more convenient to use.

Description

Connector assembly and connector thereof

Technical Field

The invention relates to a connector assembly and a connector thereof.

Background

Along with the development of communication technology, the data center has higher and higher requirements on high-density optical fiber connectors, and is limited by a narrow installation space, and the following problems can occur in the installation operation of the common optical fiber connectors: 1) due to the narrow space, the plugging and unplugging of the connector is difficult to realize by single manual operation; 2) the installation of the connector in an extremely narrow space must be accomplished with the aid of other tools, which increases the cost; 3) during the use of the tool, the optical fiber connector is easily damaged in order to realize the butt joint and the unlocking of the optical fiber connector in a limited space.

The utility model discloses a grant notice number is CN 204556892U's a utility model discloses a draw formula LC two core fiber connector, this connector includes two plug monomers, be provided with the bullet arm at two free front ends of plug, be equipped with bullet arm recess on the bullet arm, the cutting ferrule is equipped with to fixed cover in two free rear end outsides of plug, the cutting ferrule includes upper and lower butt joint two parts together, be provided with a connecting portion on the cutting ferrule, this connecting portion is including setting up two relative L shape cardboards that fall on the cutting ferrule up end, interval arrangement between two L shape cardboards that fall, the direction passageway that extends around having formed one, the direction is equipped with the push-and-pull piece in the direction passageway, the front end of push-and-pull piece is provided with the spliced pole, during specific assembly, the spliced pole card is gone into in the bullet arm recess, when the push-and-pull piece is stimulateeed backwards, the spliced pole can.

The drawing type LC double-core optical fiber connector can realize remote locking and unlocking of the elastic arm through the push-pull piece, and can be suitable for use environments with dense arrangement and narrow space. However, in the conventional pull-type LC dual-core optical fiber connector, in order to assemble and guide the push-pull member, an additional connecting portion is required to be provided on the upper end surface of the ferrule to limit and guide the push-pull member. On the one hand, the overall structure that leads to the connector is complicated, and on the other hand, the length that leads to the connector direction from top to bottom is great, and occupation space is great in arranging intensive, the narrow and small in space's service environment, is unfavorable for the flat design.

Disclosure of Invention

The invention aims to provide a connector, which aims to solve the problem that in the prior art, a connecting part is additionally arranged on a ferrule to limit a push-pull part, so that the structure of the connector is complex; a connector assembly is also provided.

In order to achieve the purpose, the technical scheme of the connector is as follows: a connector comprises more than two plug monomers, wherein the front end of each plug monomer is a plugging end, the rear end of each plug monomer is a wiring end, a spring arm used for locking the connector and an adaptive connector is arranged on the plugging end of each plug monomer, the connector further comprises a jacket fixedly sleeved outside each plug monomer to assemble each plug monomer together, a push-pull piece is assembled between the jacket and the plug monomer in a guiding and moving mode along the front-back direction, and the push-pull piece is provided with a spring arm connecting portion which drives the spring arm to lock and unlock the connector and the adaptive connector in the reciprocating moving process of the push-pull piece along the front-back direction.

The connector provided by the invention comprises at least two plug single bodies, wherein the inserting end of each plug single body is provided with an elastic arm, the connector also comprises a jacket fixed outside each plug single body, a push-pull piece is arranged between the jacket and the plug single body, and the front end of the push-pull piece is provided with an elastic arm connecting part for driving the elastic arm to move. According to the invention, the push-pull piece is positioned between the jacket and the plug single body, and the push-pull piece can move back and forth, compared with the structure in the prior art that the jacket is additionally provided with the guide and limit structure for the push-pull piece, the connector realizes the limit and the guide for the push-pull piece by utilizing the space between the jacket and the plug single body, reduces the parts of the connector, simplifies the integral structure of the connector, and is more convenient to use.

The push-pull piece is assembled between the jacket and the plug single body in a guiding and moving mode along the front-back direction, and a guiding structure for guiding the push-pull piece in the reciprocating moving process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the jacket.

Particularly, the guide structure comprises a stop block arranged on one of two mutually matched parts and a guide groove or a guide hole arranged on the other part and used for being matched with the stop block in a guiding way along the front-back direction.

The guide structure comprises a stop block arranged on one of the two parts which are matched with each other and a guide groove or a guide hole arranged on the other part, and the plug monomer or the jacket is provided with a transverse through groove for the push-pull piece to be clamped in.

A push-pull piece is assembled on the basis of guiding movement between the jacket and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the jacket; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or based on the fact that the plug monomer or the jacket is provided with a transverse through groove for the push-pull piece to be clamped in, the connector comprises an upper block and a lower block which are oppositely inserted in the vertical direction to form the jacket, and the push-pull piece is arranged between the upper block or the lower block and the plug monomer.

The clamp sleeve comprises an upper block and a lower block which are inserted from top to bottom, and specifically relates to the assembly form of the upper block and the lower block, the upper block comprises an upper connecting arm plate extending downwards, the lower block comprises an upper connecting arm plate extending upwards and matched with the upper connecting arm plate, one of the upper connecting arm plate and the lower connecting arm plate is provided with a buckle, the other one of the upper connecting arm plate and the lower connecting arm plate is provided with a clamping groove matched with the buckle to assemble the upper block and the lower block together, and at least one of the upper connecting arm plate and the lower connecting arm plate which are arranged correspondingly is an elastic arm plate.

Go up the piecemeal including connecting the arm board, the piecemeal includes connecting the arm board down, to two at least free actual conditions of plug, in order to guarantee mutual isolation and insulation between two adjacent plug monomers, goes up the piecemeal and/or the piecemeal still including being used for separating the vertical baffle between two adjacent plug monomers down.

The jacket comprises an upper block and a lower block which are inserted up and down, the push-pull piece is positioned between the upper block or the lower block and the plug monomer, the specific form of the jacket fixed sleeve on each plug monomer is refined, the jacket is fixedly sleeved outside the plug monomer through a raised line groove structure, the raised line groove structure comprises a vertical raised line arranged on one of the corresponding side surfaces of the plug monomer and the jacket and a vertical through groove arranged on the other, and the vertical raised line and/or the vertical through groove arranged on the jacket are arranged on the side surfaces of the upper block and the lower block corresponding to the plug monomer.

A push-pull piece is assembled on the basis of guiding movement between the jacket and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the jacket; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or based on that the plug single body or the jacket is provided with a transverse through groove for the push-pull piece to be clamped in, the elastic arm is provided with an elastic arm groove, the elastic arm connecting part comprises vertical branches corresponding to the elastic arms one to one, each vertical branch is provided with a branch hole for being sleeved outside the elastic arm, and the upper end hole of each branch hole is clamped in the elastic arm groove so that the push-pull piece drives the elastic arm to move.

A push-pull piece is assembled on the basis of guiding movement between the jacket and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the jacket; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or a transverse through groove for the push-pull piece to be clamped is formed in the plug monomer or the jacket, and a push-pull handle for realizing remote operation is arranged at the rear end of the push-pull piece.

The technical scheme of the connector assembly is as follows: the connector assembly comprises a connector, wherein the front end of the connector is a plugging end, the rear end of the connector is a wiring end, a spring arm used for locking the connector and an adaptive connector is arranged on the plugging end of the connector, a shell is sleeved on the outer fixing sleeve of the connector, a push-pull piece is assembled between the shell and the connector in a guiding and moving mode along the front-back direction, and the push-pull piece is provided with a spring arm connecting portion which drives the spring arm to lock and unlock the connector and the adaptive connector in a reciprocating moving process along the front-back direction.

The push-pull piece is assembled between the shell and the plug single body in a guiding and moving mode along the front-back direction, and a guiding structure for guiding the push-pull piece in the reciprocating moving process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the shell.

The guide structure comprises a stop block arranged on one of the two parts which are matched with each other and a guide groove or a guide hole arranged on the other part, and the plug single body or the shell is provided with a transverse through groove for the push-pull piece to be clamped in.

A push-pull piece is assembled on the basis of guiding movement between the shell and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the shell; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or based on that the plug monomer or the shell is provided with a transverse through groove for the push-pull piece to be clamped in, the connector assembly comprises an upper block and a lower block which are oppositely inserted along the vertical direction to form the shell, and the push-pull piece is arranged between the upper block or the lower block and the connector.

The shell includes from top to bottom to the last piecemeal and the piecemeal down of inserting, specifically to the assembly form of upper and lower piecemeal, go up the piecemeal including the branch locate connector both sides and downwardly extending's last connection arm board, the lower piecemeal is including the branch locate connector both sides and the lower connection arm board that upwards extends, be equipped with the buckle on one of upper and lower connection arm board, be equipped with on another with the buckle cooperation in order to be in the same place upper and lower piecemeal draw-in groove, correspond last connection arm board of arranging and connect at least one in the arm board down for the elasticity arm board.

The upper sub-block comprises an upper connecting arm plate, the lower sub-block comprises a lower connecting arm plate, the specific form of the shell fixed sleeve outside the connector is refined, vertical raised lines or vertical through grooves are formed in the upper connecting arm plate and the lower connecting arm plate, opposite to the connector, on the arm plate, and the connector is correspondingly provided with the vertical through grooves or the vertical raised lines.

A push-pull piece is assembled on the basis of guiding movement between the shell and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the shell; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or on the basis that the plug single body or the shell is provided with a transverse through groove for the push-pull piece to be clamped in, the elastic arm connecting part comprises a vertical support plate, the vertical support plate is provided with a vertical support plate hole for being sleeved outside the elastic arm, and the upper end hole of the vertical support plate hole is clamped in the elastic arm groove so that the push-pull piece drives the elastic arm to move.

A push-pull piece is assembled on the basis of guiding movement between the shell and the plug monomer along the front-back direction, and the front end of the push-pull piece is provided with an elastic arm connecting part; or a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the shell; or the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction; or a transverse through groove for the push-pull piece to be clamped is formed in the single plug or the shell, so that the plug is suitable for a high-density connector, and a push-pull handle for realizing remote operation is arranged at the rear end of the push-pull piece.

Drawings

FIG. 1 is a schematic view of an embodiment of a connector of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the rear housing of FIG. 2;

FIG. 4 is a schematic view of the push-pull member of FIG. 2;

FIG. 5 is a schematic diagram of the upper block of FIG. 2;

FIG. 6 is a schematic view of the lower segment of FIG. 2;

fig. 7 is a schematic view of a connector assembly of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 6, the connector in this embodiment is an optical fiber connector, the connector includes two plug units 1 arranged side by side along a left-right direction, each plug unit extends along a front-back direction, and the two plug units are insulated from each other.

Each plug monomer all includes plug housing, is fixed with the bullet arm 6 at plug housing's front end, and the front end of bullet arm is fixed on plug housing, and the rear end extends to the back top, has formed elastic wing form rear end, and the bullet arm recess (not mark in the picture) that the direction extends about the edge is seted up to the rear end of bullet arm, and the bullet arm recess has curved cell wall, and integrated into one piece has the flange on the cell wall of rear side, prevents that push-and-pull 4 from deviating from. The elastic arms 6 are fixedly provided with clamping convex blocks 61, and the clamping convex blocks 61 protrude outwards from two sides of the middle section of each elastic arm so as to be buckled on the shell of the adaptive connector.

In this embodiment, the plug housing includes procapsid 2 and the back casing 3 of arranging from beginning to end, wherein, foretell bullet arm 6 is fixed in the front end of procapsid 2, procapsid 2 and back casing 3 are by preceding to back in proper order being equipped with contact pin 7 and spring 10, adapter sleeve 11 has been arranged at the rear end of spring 10, all two elastic buckle around protruding being provided with on the side about the adapter sleeve, the draw-in groove has been seted up to corresponding on the side about procapsid 2 and back casing 3, during the use, can be in the same place procapsid 2 and back casing 3 fixed assembly through adapter sleeve 11. A crimping sleeve 12 is further arranged behind the connecting sleeve 11, in particular, during installation, the crimping sleeve 12 is pressed in the rear shell 3, and a cable sheath 5 is further connected to the rear end of the crimping sleeve 12. During assembly, the contact pin, the spring, the connecting sleeve, the crimping sleeve and the cable sheath are sequentially assembled, and the front shell and the rear shell are assembled together through the connecting sleeve. When not inserting the cooperation with the adapter connector, install dustproof cap 8 on preceding casing, protect the contact pin.

During the in-service use, a plurality of plug monomers are array and arrange and insert in the adapter connector, in order to realize the locking and the unblock of plug monomer and adapter connector, realize remote control locking and unblock. The jacket 9 is fixedly sleeved outside the rear shell, the push-pull piece 4 is movably installed on the jacket 9 along the front-rear direction in a guiding mode, the push-pull piece 4 is connected with the elastic arm 6 in a transmission mode, and the connector and the adaptive connector are locked and unlocked. The jacket 9 has a through-hole extending forward and backward for two plug units to pass through.

In this embodiment, the jacket 9 includes an upper block 91 and a lower block 92 assembled in the vertical direction, in which the lower block 92 has a U-shaped structure disposed upward, and the upper block 91 has an M-shaped structure disposed downward. Go up the both sides of piecemeal 91 and have two downwardly extending's last connection arm board, the outside of going up the connection arm board is equipped with the buckle (not marked in the figure), the both sides correspondence of piecemeal 92 has two lower connection arm boards that upwards extend down, the draw-in groove has been seted up on the lower connection arm board, in this embodiment, go up, lower connection arm board is the elasticity arm board, during the use, can insert the piecemeal down with last piecemeal through the cooperation of buckle and draw-in groove, realize the equipment and the suit of two piecemeals in two free outsides of plug. In other embodiments, only one of the upper and lower cooperating attachment blades may be resilient. Of course, in other embodiments, the connection manner between the upper and lower blocks may be designed according to actual situations, such as pin connection, and the number and arrangement manner of the blocks may be selected according to actual situations.

In the upper block 91, in addition to the two upper connecting arm plates, a partition plate extending downward is provided between the two upper connecting arm plates, and the partition plate functions to separate two adjacent plug units. A plug single body penetrating groove for the plug single body to penetrate is formed between the partition plate and the two upper connecting arm plates. Vertical convex strips 913 extending in the up-down direction are protrudingly provided on the partition board and the upper connection arm plate of the upper block 91 (in this embodiment, the partition board and one of the upper connection arm plates are provided with vertical convex strips, and in other embodiments, the two vertical convex strips may be provided on the two upper connection arm plates, respectively, or the number of the vertical convex strips may be increased or decreased, and the positions where the vertical convex strips are provided may be changed). The left side surface and the right side surface of the rear shell corresponding to the plug monomer are provided with vertical through grooves 31 extending in the up-down direction, during assembly, the vertical convex strips 913 of the upper block are inserted into the vertical through grooves 31 of the rear shell from top to bottom, and then are fixedly connected with the lower block through the buckles and the clamping grooves, so that the upper block, the rear shell and the lower block are fixedly connected and can move back and forth together. In other embodiments, the fixed connection between the upper block, the lower block and the plug housing may be in other manners, such as forming protrusions on inner side surfaces of the upper block and the lower block, forming grooves on corresponding end surfaces of the plug housing, and realizing insertion fitting.

The bottom of each single plug insertion slot is provided with a transverse through slot 911 extending back and forth, and the transverse through slot 911 penetrates through the upper block 91 along the back and forth direction. The bottom of each transverse through groove is provided with a guide hole 912 which vertically penetrates through the bottom edge of the upper block. In other embodiments, the guide holes 912 may be modified to be guide slots.

The connector of the invention also comprises a push-pull piece, wherein the structure of the push-pull piece is shown in fig. 4, the push-pull piece 4 comprises a push-pull piece head and a push-pull handle 43 which are arranged in front and back, the push-pull piece head comprises a push block 41 fixed at the front end of a push-pull piece tail handle, two branches are arranged at the front end of the push block 41 at intervals along the left-right direction, the two branches extend forwards for a certain distance from the push block and then change direction to extend upwards, so that each branch has a horizontal section 44 and a vertical section 42, wherein each horizontal section of each branch corresponds to a stop block 45, and the width of each stop block 45 along the left-right direction is equal to the aperture of the guide hole 912 along the left-. The vertical section of each branch is respectively provided with a branch hole 421 which penetrates through the vertical section along the front-back direction, and when the connector is used, the branch holes 421 are correspondingly sleeved in the elastic arm grooves of the corresponding plug monomers.

The using process of the invention is as follows: and assembling all parts of the single plug, and mutually clamping the rear shell, the connecting sleeve and the front shell together. Then the elastic arm of the single plug is sleeved into the branch hole of the push-pull part, so that the upper end hole of the branch hole is clamped into the groove of the elastic arm. And then the lower block of the jacket is placed below the rear shell, and the upper block is buckled on the lower block. In the buckling process, the guide hole of the upper block is sleeved on the stop block of the push-pull piece, the horizontal section of the push-pull piece is embedded into the transverse through groove of the upper block, and the vertical raised line on the upper block and the vertical through groove on the rear shell are aligned during buckling to realize fixed connection. Therefore, the plug single body, the jacket and the push-pull piece are connected together, and the push-pull piece can move in a guiding mode in the front-back direction. When the connector is inserted into the corresponding adaptive connector, the push-pull handle is pushed forwards, the clamping sleeve and the plug single body are pushed forwards through the stop between the push block 41 and the upper sub-block of the push-pull piece, and the clamping convex block of the elastic arm is clamped into the shell of the adaptive connector. During the unblock, pulling the caudal peduncle backward, two branches of push-and-pull piece pull the bullet arm backward and push down the right-hand member of bullet arm, make the block lug of bullet arm deviate from on the shell of adaptation connector, and the rethread bullet arm is extracted whole plug monomer backward.

In the invention, the push-pull piece is arranged between the jacket and the plug monomer, and a pressing structure is not required to be additionally arranged on the jacket, so that the overall structure of the connector is simpler.

In this embodiment, the plurality of vertical branches and the branch holes provided in the branches constitute the elastic arm connecting portion.

In the embodiment of the connector assembly of the present invention, as shown in fig. 7, the connector assembly includes a connector 1 having a separate outer package, which enables independent insertion and removal. The connector is provided with an elastic arm, the structure of the elastic arm is consistent with that of the elastic arm on the plug single body in the embodiment, a shell is fixedly sleeved outside the connector, the structure of the shell is consistent with that of a jacket in the embodiment, a push-pull piece 2 is arranged between the shell and the connector, and the structure of the push-pull piece is basically consistent with that in the embodiment.

Claims

1. The utility model provides a connector, includes more than two plug monomers, and the free front end of each plug is grafting end, rear end for wiring end, is equipped with the bullet arm that is used for making connector and adaptation connector locking on the free grafting end of plug, and the connector still includes fixed suit in the cover that presss from both sides of each plug monomer outside in order to assemble each plug monomer together, its characterized in that: the push-pull piece is assembled between the jacket and the plug monomer in a guiding and moving mode along the front-back direction, and the push-pull piece is provided with an elastic arm connecting part which drives the elastic arm to lock and unlock the connector and the adaptive connector in the reciprocating moving process of the push-pull piece along the front-back direction; the connector comprises an upper block and a lower block which are assembled in a plug-in manner along the vertical direction to form the jacket, the push-pull piece is arranged between the upper block and the plug monomer, a transverse through groove is formed in the inner side wall, facing the plug monomer, of the upper block, the transverse through groove extends along the front-back direction and penetrates through the upper block along the front-back direction, and the horizontal section of the push-pull piece is embedded into the transverse through groove of the upper block.

2. The connector of claim 1, wherein: and a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the jacket.

3. The connector of claim 2, wherein: the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction.

4. The connector according to any one of claims 1 to 3, wherein: the upper sub-block comprises an upper connecting arm plate extending downwards, the lower sub-block comprises a lower connecting arm plate extending upwards and matched with the upper connecting arm plate, one of the upper connecting arm plate and the lower connecting arm plate is provided with a buckle, the other one of the upper connecting arm plate and the lower connecting arm plate is provided with a clamping groove matched with the buckle to assemble the upper sub-block and the lower sub-block together, and at least one of the upper connecting arm plate and the lower connecting arm plate which are correspondingly arranged is an elastic arm plate.

5. The connector of claim 4, wherein: the upper block and/or the lower block also comprises a vertical clapboard used for separating two adjacent plug single bodies.

6. The connector according to any one of claims 1 to 3, wherein: the clamp sleeve is fixedly sleeved outside the plug monomer through a convex strip groove structure, the convex strip groove structure comprises a vertical convex strip arranged on one of the corresponding side surfaces of the plug monomer and the clamp sleeve and a vertical through groove arranged on the other, and the vertical convex strip and/or the vertical through groove arranged on the clamp sleeve are arranged on the side surface corresponding to the plug monomer in the upper and lower blocks.

7. The connector according to any one of claims 1 to 3, wherein: the elastic arm is provided with an elastic arm groove, the elastic arm connecting portion comprises vertical branches in one-to-one correspondence with the elastic arms, each vertical branch is provided with a branch hole used for being sleeved outside the elastic arm, and an upper end hole of each branch hole is clamped into the elastic arm groove so that the push-pull piece drives the elastic arms to move.

8. The connector according to any one of claims 1 to 3, wherein: the rear end of the push-pull piece is provided with a push-pull handle for realizing remote operation.

9. The utility model provides a connector assembly, includes the connector, and the front end of connector is grafting end, rear end for wiring end, is equipped with the bullet arm that is used for making connector and adaptation connector locking on the grafting end of connector, its characterized in that: a shell is fixedly sleeved outside the connector, a push-pull piece is assembled between the shell and the connector in a guiding movement along the front-back direction, and the push-pull piece is provided with an elastic arm connecting part which drives the elastic arm to lock and unlock the connector and the adaptive connector in the reciprocating movement process of the push-pull piece along the front-back direction; the connector assembly comprises an upper block and a lower block which are matched with each other in a plug-in mounting manner along the vertical direction, the shell is formed by the upper block and the lower block, the push-pull piece is arranged between the upper block and the connector, a transverse through groove is formed in the inner side wall, facing the connector, of the upper block, the transverse through groove extends along the front-back direction and penetrates through the upper block along the front-back direction, and the horizontal section of the push-pull piece is embedded into the transverse through groove of the upper block.

10. The connector assembly of claim 9, wherein: and a guide structure for guiding the push-pull piece in the reciprocating movement process of the push-pull piece is arranged between the push-pull piece and the plug single body or between the push-pull piece and the shell.

11. The connector assembly of claim 10, wherein: the guide structure comprises a stop block arranged on one of the two mutually matched components and a guide groove or a guide hole arranged on the other component and used for being in guide fit with the stop block along the front-back direction.

12. The connector assembly of any one of claims 9-11, wherein: go up the piecemeal including the branch locate connector both sides and downwardly extending's last connection arm board, the lower piecemeal is including the branch locate connector both sides and the lower connection arm board that upwards extends, is equipped with the buckle on one of upper and lower connection arm board, is equipped with on another with the buckle cooperation in order to assemble the draw-in groove together upper and lower piecemeal, corresponds at least one in the last connection arm board that arranges and the lower connection arm board and is the elasticity arm board.

13. The connector assembly of claim 12, wherein: vertical raised lines or vertical through grooves are formed in the arm plates, opposite to the connector, of the upper connecting arm plate and the lower connecting arm plate, and the connector is correspondingly provided with the vertical through grooves or the vertical raised lines.

14. The connector assembly of any one of claims 9-11, wherein: the elastic arm connecting part comprises a vertical supporting plate, a vertical supporting plate hole used for being sleeved outside the elastic arm is formed in the vertical supporting plate, and an upper end hole of the vertical supporting plate hole is clamped into the elastic arm groove so that the push-pull part drives the elastic arm to move.

15. The connector assembly of any one of claims 9-11, wherein: the rear end of the push-pull piece is provided with a push-pull handle for realizing remote operation.