WO2020073814A1

WO2020073814A1 - Connector having plug and socket interlocked with each other

Info

Publication number: WO2020073814A1
Application number: PCT/CN2019/108083
Authority: WO
Inventors: 戴海琼; 孙德刚; 华曦
Original assignee: 菲尼克斯亚太电气（南京）有限公司
Priority date: 2018-10-08
Filing date: 2019-09-26
Publication date: 2020-04-16
Also published as: CN208986289U

Abstract

A connector having a plug and a socket interlocked with each other, comprising a plug housing and a socket housing (4). An engagement recess is provided at an end of the plug housing, and an outer recess wall of the engagement recess is provided with a gap. A locking handle (11) having an adjustable position is provided near a side of the gap at the plug housing. A press portion (8) is provided at an end of the socket housing (4) inserted into the engagement recess. The locking handle (11) can move relative to the press portion (8) so as to press or release the press portion (8). When the plug housing and the socket housing are fitted together, a tight connection between the two can be achieved simply by means of inserting the socket housing into the engagement recess, and then pushing an operation portion (25) of the locking handle (11) and driving a limiting portion (23) to press against the press portion (8). The invention is characterized by a compact structure and convenient operation, and is safe and reliable for long-term work.

Description

Connector for interlocking plugs and sockets

Technical field

The invention relates to a connector, in particular to a connector with a plug and a socket that are interlocked and locked.

Background technique

The connector generally consists of a plug and a socket. Existing plugs and sockets are often connected by "snap" or "thread" to prevent unnecessary opening and closing. However, the "snap" connection generally has the problems of inconvenient unlocking and low service life. The "thread" connection method generally requires the use of auxiliary tools for screwing. The connection process is cumbersome due to the large number of screw turns, and it is also prone to loosening problems when subjected to external vibration forces. In addition, the existing "snap" and "thread" connection methods also have the problem that the overall structure is complicated and not compact.

Summary of the invention

The purpose of the present invention is to provide a plug-and-socket interlocking connector to solve the problem that the overall structure of the "snap" and "thread" connection methods in the prior art is complicated and not compact.

Technical solution: A connector with interlocking plugs and sockets, including a plug housing and a socket housing; one end of the plug housing is provided with a card slot, and the outer slot wall of the card slot is provided with a gap; near the gap side , A locking handle is installed on the plug housing with adjustable position;

One end of the socket shell inserted into the card slot is provided with a pressing part;

The locking handle can move relative to the pressing part, so as to press or disengage the pressing part.

Further, the plug housing includes a plug housing body, a barrel, and a thin wall; the barrel is installed at one end of the plug housing body, and a through channel is formed between the barrel and the plug housing body;

The thin wall is a non-intact ring structure; the thin wall is fixed at one end of the main body of the plug housing, and a card slot is formed between the inner wall of the thin wall and the outer wall of the barrel.

Further, the locking handle includes an elastic arm and an operating part and a limit part connected to both ends of the elastic arm; the elastic arm is rotatably mounted on the main body of the plug housing; the limit part is pressed or disengaged by the operating part Pressing part.

Further, the main body of the plug housing is also provided with a rotating shaft; a top plate is fixed at the top of the rotating shaft, and the outer diameter of the top plate is larger than the outer diameter of the rotating shaft;

A step hole is opened in the middle of the elastic arm; the step hole is sleeved on the rotating shaft, and the top plate is pressed into the step hole.

Further, a plurality of extension arms with hook heads are provided on the side of the elastic arm away from the cylinder; corresponding to the extension arms, a plurality of limit arms with hook heads are provided on the main body of the plug housing; The limit arm can be fitted with the extension arm on the locking handle in rotation, and limit the rotation angle of the extension arm.

Further, it also includes an upper cover; the upper cover is installed on the main body of the plug housing, and an installation cavity is formed between the upper cover and the main body of the plug housing; the whole or part of the operating portion of the locking handle is exposed to the installation cavity .

Further, the upper cover is a shell structure with an open bottom end, and one side of the upper cover is a concave curved wall surface; the upper cover is installed on the main body of the plug housing, and the curved wall surface and the Thin wall fits and blocks some gaps.

Further, corresponding to the first wall surface and the second wall surface adjacent to the arc-shaped wall surface, two plug walls are respectively fixed on the main body of the plug housing, and the clip walls can be respectively connected to the first wall surface and the second wall surface Fastening connection.

Further, the pressing part is a flange structure, and a plurality of limiting grooves are evenly distributed thereon; corresponding to the limiting grooves, a number of protrusions are evenly distributed in the thin wall;

The socket shell is inserted into the card slot, and the protrusion is inserted into the groove.

Further, a sealing ring is further provided between the connection surface of the socket shell and the card slot.

Compared with the prior art, the beneficial effects of the present invention are: when the plug housing and the socket housing of the present invention are installed together, only the socket housing needs to be inserted into the card slot, and then the operating part of the locking handle is pushed, and Drive the limiter to press on the pressing part to realize the fastening connection of the two; it has the characteristics of compact structure, convenient operation, long-term work safety and reliability, etc .; the present invention adopts the method of pushing the locking handle, which is more in operation Convenient and ergonomic.

BRIEF DESCRIPTION

Figure 1 is a schematic structural view of the present invention;

Figure 2 is an exploded view of the socket assembly;

Figure 3 is a schematic diagram of the structure of the socket housing;

Figure 4 is an exploded view of the plug assembly;

Figure 5 is a schematic diagram of the structure of the plug housing;

6 is a schematic diagram of another perspective of FIG. 5;

7 is a schematic structural view of the locking handle;

8 is a schematic view of the locked state of the locking handle in a natural state;

Fig. 9 is a schematic diagram of the state of opening and closing of the locking handle under force;

10 is a schematic view of the installation of the locking handle and the socket housing;

11 is a schematic diagram of another perspective of FIG. 10;

Figure 12 is a schematic diagram of the installation position of each component;

13 is a schematic structural view of the upper cover;

In the picture: 1-plug assembly, 2-socket assembly, 3-mounting screw, 4-socket housing, 5-seal, 6-socket conductive part, 7-stop groove, 8-pressing part, 9-seal Ring, 10-top cover, 11-locking handle, 12-cable gland, 13-cable seal, 14-plastic nut, 15-ring groove, 16-thin wall, 17-bump, 18-barrel, 19-axis, 20-buckle wall, 21-limiting arm, 22-plug housing body, 23-limiting part, 24-flexible arm, 25-operating part, 26-extension arm, 27- Stepped hole, 28-first wall surface, 29-positioning axis, 30-arc wall surface, 31-second wall surface, 32-plug conductive part.

detailed description

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Embodiment 1: Please refer to FIG. 1 to FIG. 13, the present invention provides a technical solution: a plug and socket interlocking connector, including a plug assembly 1 and a socket assembly 2;

The socket assembly 2 includes a number of mounting screws 3, a socket housing 4, a sealing member 5, and a socket conductive member 6; the socket housing 4 is a hollow cylindrical structure, and a connecting flange is fixedly connected in the middle; the sealing member 5 The external structure is similar to the connection flange, and the connection flange and the seal 5 are connected by the mounting screw 3; the socket conductive member 6 is fixed in the socket housing 4; the socket housing 4 and the plug assembly 1 at the connecting end The outer wall of the tip is also provided with a pressing part 8, and the pressing part 8 is a circular flange structure, and a plurality of limiting grooves 7 that are flush with the axis of the socket housing 4 are evenly distributed on the pressing part 8;

The plug assembly 1 includes an upper cover 10, a locking handle 11, a cable gland 12, a cable seal 13, a plastic nut 14, and a plug conductive member 32;

Wherein, the plug housing includes a plug housing body 22, a barrel 18 and a thin wall 16; the barrel 18 is installed at one end of the plug housing body 22, and a through channel is formed between the barrel 18 and the plug housing body 22;

The thin wall 16 has a semi-circular structure; the thin wall 16 is fixed at one end of the plug housing body 22 and is coaxial with the barrel 18; between the inner wall of the thin wall 16 and the outer wall of the barrel 18 Form a card slot with a notch on one side;

The locking handle 11 includes an elastic arm 24 and an operation portion 25 and a limit portion 23 connected to both ends of the elastic arm 24; a stepped hole 27 is opened in the middle of the elastic arm 24; near the notch side, the plug housing body 22 The rotating shaft 19 is also fixedly mounted on the top of the rotating shaft 19; the outer diameter of the top disk is larger than the outer diameter of the rotating shaft 19; the stepped hole 27 is sleeved on the rotating shaft 19, and the top The disc is pressed into the step hole 27, so that the locking handle 11 can perform a rotary motion along the axis of the rotating shaft 19;

The upper cover 10 is a shell structure with an open bottom end, and one side of the upper cover 10 is a concave curved wall surface 30; the upper cover 10 is installed on the plug housing body 22, and the curved wall surface 30 Cooperate with the thin wall 16 and block part of the notch; corresponding to the first wall surface 28 and the second wall surface 31 adjacent to the arc-shaped wall surface 30, two snap-in walls 20 are respectively fixed on the plug housing body 22, and The snap wall 20 can be connected with the first wall surface 28 and the second wall surface 31 respectively; the upper cover 10 and the plug housing body 22 form an installation cavity; the locking handle 11 is located in the installation cavity, And the operation part 25 on it is exposed to the installation cavity;

The plug conductive member 32 is inserted into the channel formed by the barrel 18 and the plug housing body 22 through an in-mold injection molding process, and one end of the plug conductive member 32 is located in the barrel 18 and the opposite end is exposed to the plug housing body 22; the exposed end of the conductive member 32 of the plug is a hollow structure, the inside of which is used for crimping the cable, and the outer is provided with a cable sealing gland 12; the cable seal 13 is fitted on the outer wall of the cable and the cable sealing gland 12 Between the inner walls; the plastic nut 14 is sleeved on the outer wall of the cable gland 12 and is screwed to the main body 22 of the plug housing;

Corresponding to the limiting groove 7, a plurality of protrusions 17 are distributed on the inner wall surface formed by the thin wall 16 and the arc-shaped wall surface 30; the socket housing 4 is inserted into the card slot, and the protrusions 17 is inserted into the groove 7; at this time, the plug assembly 1 and the socket assembly 2 are preliminarily installed in one body, and the conductive member 32 of the plug and the conductive member 6 of the socket are connected in a straight-through manner;

Manipulating the exposed operating portion 25 causes the locking handle 11 to rotate, and drives the limiting portion 23 to press the pressing portion 8.

Preferably, the limiting groove 7 is a through-groove structure, and the protrusion 17 is a vertical rib structure; the through-groove and the vertical rib are matched one-to-one, which can play a role in restricting the plug assembly 1 and socket assembly 2 Rotation, and can ensure that the plug assembly 1 can be compatible with multiple positions that can be mated when inserted and mated.

The locking handle 11 can be made of plastic; the operation portion 25 is a wedge-shaped structure; the elastic arm 24 is a semi-circular structure, and the elastic arm 24 can be bent and deformed under force;

In order to limit the rotation angle of the locking handle 11, two extension arms 26 with hook heads are provided on the side of the elastic arm 24 away from the cylinder 18, similar to a “7” shape structure; corresponding to the extension arm 26, the plug The housing body 22 is provided with two limit arms 21 with hook heads; the limit arms 21 can be fitted with the extension arm 26 on the locking handle 11 in rotation, and limit the rotation angle of the extension arm 26; Therefore, during the movement of the locking handle 11, the rotating shaft 19 with the top plate can restrict the up and down movement of the locking handle 11, and the limit arm 21 and the extension arm 26 cooperate to limit the rotation angle of the locking handle 11, which improves Operational reliability.

In order to improve the sealing performance, the outer wall surface of the barrel 18 is also provided with a sealing ring groove 15; a sealing ring 9 is sleeved therein; when the socket housing 4 and the plug housing are sleeved, the sealing of the joint surface of the two can be improved .

In order to improve the installation accuracy of the upper cover 10, the inner wall of the top cover of the upper cover 10 is provided with a positioning shaft 29; when the upper cover 10 is installed on the main body 22 of the plug housing, the positioning shaft 29 is coaxial with the rotating shaft 19 and is located in the lock Tighten the step hole 27 of the handle 11.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. For alternatives and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims

A plug-and-socket interlocking connector includes a plug housing and a socket housing (4); it is characterized in that a card slot is provided at one end of the plug housing, and a slot is provided on the outer slot wall of the card slot ; Near the notch side, a locking handle (11) is installed on the plug housing with adjustable position;

One end of the socket shell (4) inserted into the card slot is provided with a pressing part (8);

The locking handle (11) can move relative to the pressing part, so as to press or disengage the pressing part (8).
The plug-and-socket interlocking connector according to claim 1, wherein: the plug housing includes a plug housing body (22), a barrel (18), and a thin wall (16); the barrel ( 18) Installed at one end of the plug housing body (22), and a through channel is formed between the barrel (18) and the plug housing body (22);

The thin wall (16) is a non-intact ring structure; the thin wall (16) is fixed at one end of the plug housing body (22), and the inner wall of the thin wall (16) and the barrel (18) A card slot is formed between the outer walls.
The plug-and-socket interlocking connector according to claim 2, wherein the locking handle (11) includes an elastic arm (24) and operation parts (25) connected to both ends of the elastic arm (24) And a limiting part (23); the elastic arm (24) is rotatably mounted on the plug housing body (22); the operating part (25) is used to operate the limiting part (23) to press or disengage the pressing part (8) ).
The plug-and-socket interlocking connector according to claim 3, characterized in that: the plug housing body (22) is further provided with a rotating shaft (19); the top end of the rotating shaft (19) is fixedly provided with a top Disk, and the outer diameter of the top disk is larger than the outer diameter of the rotating shaft (19);

A step hole (27) is opened in the middle of the elastic arm (24); the step hole (27) is sleeved on the rotating shaft (19), and the top plate is pressed into the step hole (27).
The plug-and-socket interlocking connector according to claim 4, characterized in that the elastic arm (24) is provided with a plurality of extension arms (26) with hook heads on the side away from the barrel (18) ); Corresponding to the extension arm (26), the plug housing body (22) is provided with a number of limit arms (21) with hook head; the limit arm (21) can be locked with the rotation The extension arm (26) on the handle (11) fits tightly and restricts the rotation angle of the extension arm (26).
The plug-and-socket interlocking connector according to any one of claims 3-5, characterized in that it further comprises an upper cover (10); the upper cover (10) is mounted on the plug housing body (22) And an installation cavity is formed between the upper cover (10) and the plug housing body (22); the operation part (25) of the locking handle (11) is wholly or partially exposed from the installation cavity.
The plug-and-socket interlocking connector according to claim 6, wherein the upper cover (10) is a shell structure with an open bottom end, and one side of the upper cover (10) is concave An arc-shaped wall surface (30); the upper cover (10) is installed on the plug housing body (22), and the arc-shaped wall surface (30) cooperates with the thin wall (16) and blocks part of the notch.
The plug-and-socket interlocking connector according to claim 7, characterized in that: corresponding to the first wall surface (28) and the second wall surface (31) adjacent to the arc-shaped wall surface (30), the plug housing Two snap walls (20) are respectively fixed on the main body (22), and the snap walls (20) can be connected with the first wall surface (28) and the second wall surface (31) respectively.
The plug-and-socket interlocking connector according to any one of claims 1-5, characterized in that: the pressing portion (8) is a flange structure, and a plurality of limiting recesses are evenly distributed thereon A groove (7); corresponding to the limiting groove (7), a number of protrusions (17) are evenly distributed in the thin wall (16);

The socket housing (4) is inserted into the card slot, and the protrusion (17) is inserted into the groove (7).
The plug-and-socket interlocking connector according to any one of claims 1 to 5, wherein a sealing ring (9) is further provided between the connection surface of the socket shell (4) and the card slot .