CN215771663U

CN215771663U - Split type electric plug connector

Info

Publication number: CN215771663U
Application number: CN202121700308.9U
Authority: CN
Inventors: 胡正宇
Original assignee: Changzhou Amass Electronics Co ltd
Current assignee: Changzhou Amass Electronics Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-02-08
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a split type electric plug connector, which comprises a female plug and a male plug, wherein the female plug and the male plug respectively comprise a female shell and a male shell which are suitable for being connected in an inserting way, and a female plug current-carrying piece and a male plug current-carrying piece which are arranged in the female shell and the male shell and are suitable for being connected in the inserting way; the female shell consists of a front female shell and a rear female shell which are suitable for being connected in an inserting way; the shell of the rear female shell and the shell of the male shell are provided with a movable female buckle and a movable male buckle which are used for controlling the locking or the unlocking of the female plug and the male plug. According to the electric plug connector, the female shell adopts a split structure, so that the manufacturing precision of the inner cavity of the female shell is improved, the manufacturing process is simple, and the production cost can be reduced; the V-shaped elastic card is arranged in a cavity of a female shell for mounting the female plug current-carrying piece, and when the male plug current-carrying piece and the female plug current-carrying piece are inserted mutually, the axial direction of the female plug current-carrying piece can be finely adjusted, so that the male plug current-carrying piece and the female plug current-carrying piece can be ensured to be upward on the same axis, and the problem of poor contact of electrodes is avoided.

Description

Split type electric plug connector

Technical Field

The utility model relates to the field of electric connectors, in particular to a split type electric connector.

Background

When the existing large-current electric plug-in connector is plugged, because the current-carrying piece is injected into the shell, the coaxiality of the current-carrying piece in the male plug and the female plug cannot be overlapped into a line, and therefore errors can be generated between the current-carrying piece and the male plug in plugging. In use, due to errors, the phenomena of incomplete plugging of the male plug and the female plug or poor contact caused by movement of the electric plug can often occur, so that the problem that the normal use of the electric appliance is influenced due to extremely easy heating of the electric appliance is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric plug connector with a current-carrying piece and a shell in split type movable connection, and the current-carrying piece and the shell are connected by adopting a split type movable connection structure, so that the coaxiality of the current-carrying piece has an automatic fine adjustment function in the plug-in use process, and the looseness phenomenon caused by the incomplete plug-in of a male plug and a female plug or the movement of an electric plug cannot occur, thereby ensuring the normal use of an electric appliance; in the normal use process, as the locking mechanisms are arranged among the shells, the male plug and the female plug are not easy to separate due to misoperation, so that the connection stability of the male plug and the female plug is improved; in addition, because each part adopts a split structure design, the manufacturing precision of each part is improved, the manufacturing process is simple, and the production cost of the product is reduced.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a split type electric connector, includes female plug and public plug, female plug and public plug contain female casing and the public casing that is suitable for the grafting to link to each other respectively and install female plug current-carrying spare and the public plug current-carrying spare that is suitable for the grafting to link to each other in female casing and public casing.

In order to improve the manufacturing precision of the inner cavity of the female shell and reduce the production cost, the female shell adopts a split structure, and in order to ensure that all split shells are firmly connected, the female shell consists of a front female shell and a rear female shell which are suitable for being connected in an inserting way; and movable female buckles and movable male buckles for controlling the locking or the unlocking of the female plug and the male plug are arranged on the rear female shell and the male shell.

In order to ensure that the male plug and the female plug are quickly inserted and firmly connected, the movable female buckle comprises a concave seat body fixed on the outer wall of the rear female shell and a long-arm buckle which is arranged in the concave seat body and is hinged with the concave seat body.

Furthermore, the long-arm lock catch is a long-strip-shaped wane, and the lower part of the front end of the long-arm lock catch is provided with a hook part.

The movable male buckle is a fixed boss which is arranged on the male shell and is matched and buckled with the hook part at the front end of the long-arm lock catch.

The two are buckled, and the connection is fast and firm.

In order to enable a female plug current-carrying piece in a female plug to be in a shell, the axial direction of the female plug current-carrying piece can be finely adjusted, and a front female shell and a rear female shell can be firmly connected after being connected, the front female shell is structurally designed as follows: the inner cavity of the shell is provided with a first cavity for mounting a female plug current-carrying piece, and one end of the female plug current-carrying piece is fixedly mounted in the first cavity; the front end wall body is provided with a through hole of a male plug current-carrying piece; the outer wall of the shell is provided with a front part which is spliced with the male shell and a rear part which is spliced with the rear female shell;

the front part is provided with a groove for mounting a sealing sleeve; the rear part is provided with a convex buckle buckled with the rear shell.

The rear female shell structure is designed as follows: the inner cavity of the cavity is provided with a cavity II for mounting a female plug current-carrying piece, and the other end of the female plug current-carrying piece is fixedly mounted in the cavity II; the rear end wall body is provided with a wire passing hole, and the wall body between the two wire passing holes is provided with an elastic clamp for fixing two female plug current-carrying pieces; the outer wall of the shell is also provided with a hole buckle which is matched and buckled with the convex buckle of the front shell.

Furthermore, the elastic card structure is designed into a V-shaped elastic card.

When the female plug is installed, the female plug current-carrying piece is inserted into the front female shell, and the rear female shell is buckled with the front female shell, so that the female plug current-carrying piece is installed and fixed in front and rear shell cavities of the female plug.

In order to install the current-carrying piece in the male plug in the shell and realize unidirectional positioning and fixed connection, the structure of the male shell is designed as follows: the inner cavity of the male plug is provided with a third cavity for mounting a male plug current-carrying part, a perforation for fixing the male plug current-carrying part is arranged on the rear end wall body of the male plug, a cavity is arranged on the inner wall of the perforation and is matched with a convex part which is not arranged on the male plug current-carrying part and is used for being fixedly connected with the male plug current-carrying part in a one-way positioning mode, and the convex part of the male plug current-carrying part is mounted and fixed in the cavity.

In order to make the electric plug-in connector non-conductive, the female shell and the male shell are injection-molded insulating parts.

In order to enable the female plug current-carrying piece to be connected with the male plug current-carrying piece and have good connection contact performance, a jack which is matched and spliced with the male plug current-carrying piece is arranged in the female plug current-carrying piece, and a crown spring is arranged in the jack.

Furthermore, for the mistake proofing dress of female casing after realizing, be equipped with the mistake proofing arch on the rear portion of preceding female casing, one side that female casing of back and preceding female casing butt joint is equipped with the breach with the protruding complex of mistake proofing.

In conclusion, the beneficial technical effects of the utility model are as follows: 1. because the design of the female shell adopts a split structure, the manufacturing precision of the inner cavity of the female shell is improved, the manufacturing process is simple, and the production cost can be reduced; 2. the locking structure is arranged on each shell, so that the shells are firmly connected, and 3, the V-shaped elastic clamping piece is arranged in the cavity of the female shell for mounting the female plug current-carrying piece in the shell, and when the female plug current-carrying piece and the female plug current-carrying piece are inserted mutually, the axial direction of the female plug current-carrying piece can be finely adjusted, so that the male plug current-carrying piece and the female plug current-carrying piece can be upwards ensured on the same axis when being inserted mutually, and the problems of poor electrode contact and further influence on the normal use of an electric appliance are avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention for illustrating the connection relationship between the female plug and the male plug.

Fig. 3 is a schematic diagram of an exploded structure of the present invention for embodying cavity one and cavity three.

Fig. 4 is a schematic cross-sectional view of a cavity embodying the present invention.

In the figure, 1, a female plug; 11. a female housing; 111. a front female housing; 111-1 and a first cavity; 111-2, a through hole; 111-3, front; 111-4, rear; 111-5, grooves; 111-6, convex buckle; 111-7, error proofing protrusions; 112. a rear female housing; 112-1 and a cavity II; 112-2, a wire through hole; 112-3, an elastic card; 112-4, hole buckles; 112-5, a gap; 12. a female plug current-carrying member; 121. a jack; 2. a male plug; 21. a male housing; 21-1 and a cavity III; 21-2, perforating; 21-3, a concave cavity; 22. a male plug current carrying member; 221. a convex portion; 3. sealing sleeves; 4. a crown spring; 5. a movable female buckle; 51. a concave seat body; 52. a long arm lock catch; 6. the male buckle is movable.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1 to 4, the split electrical plug connector for female connector of the present invention comprises a female plug 1 and a male plug 2, wherein the female plug 1 and the male plug 2 respectively comprise a female housing 11 and a male housing 21 suitable for plug connection, and the female housing 11 and the male housing 21 are injection molded insulators. Female and male current-carrying

members

12 and 22 adapted to be connected by plugging are mounted in the female and

male housings

11 and 21, respectively. The female plug current-carrying piece 12 is internally provided with a jack 121 which is matched and spliced with the male plug current-carrying piece 22, and the jack 121 is internally provided with a crown spring 4.

In order to improve the manufacturing precision of the inner cavity of the female shell 11 and reduce the production cost, the female shell 11 is designed to adopt a split structure, and in order to ensure that all the split shells are firmly connected, the female shell 11 consists of a front female shell 112 and a rear female shell 112 which are suitable for being connected in an inserting way; and movable female buckles 5 and movable male buckles 6 for controlling the locking or unlocking of the female plug 1 and the male plug 2 are arranged on the outer shell of the rear female shell 112 and the outer shell of the male shell 21.

In order to make the plug and the socket quick to plug and secure, the movable female buckle 5 includes a concave seat 51 fixed on the outer wall of the rear female housing 112, and a long-arm lock catch 52 installed in the concave seat 51 and fixed with the concave seat 51. The long arm lock 52 is a long bar-shaped rocker, and a hook is provided at the lower part of the front end thereof.

The movable male buckle 6 is a fixed boss which is arranged on the male shell 21 and is matched and buckled with the hook part at the front end of the long-arm lock catch. The two are buckled, and the connection is fast and firm.

To allow for fine axial adjustment of the female plug current carrier 12 in the housing and to allow for a secure connection of the front and rear female housings after connection. The front female shell 111 is structurally designed as follows: a first cavity 111-1 for installing a female plug current-carrying member 12 is arranged in the inner cavity of the shell, and one end of the female plug current-carrying member 12 is fixedly installed in the first cavity 111-1; a through hole 21-2 of a male plug current-carrying piece 22 is arranged on the front end wall body of the plug; the outer wall of the shell is provided with a front part 111-3 inserted with the male shell 21 and a rear part 111-4 inserted with the rear female shell 112. The front part 111-3 is provided with a groove 111-5 for installing the sealing sleeve 3; the rear part 111-4 is provided with a convex buckle 111-6 buckled with the rear female shell 112.

The rear female housing 112 is structurally designed to: the inner cavity of the female plug is provided with a second cavity 112-1 for mounting the female plug current-carrying piece 12, and the other end of the female plug current-carrying piece 12 is fixedly mounted in the second cavity 112-1; the rear end wall body is provided with a wire through hole 112-2, the wall body between the two wire through holes 112-2 is provided with an elastic card 112-used for fixing two female plug current-carrying pieces 12, and the 3 elastic card 112-3 is structurally designed into a V-shaped elastic card; the outer wall of the shell is also provided with a hole buckle 112-4 which is matched and buckled with the convex buckle 111-6.

In order to realize the error-proof assembly of the rear female shell and improve the installation rate of the rear female shell, an error-proof bulge 111-7 is arranged on the rear part 111-4 of the front female shell 111, and a notch 112-5 matched with the error-proof bulge is arranged on one side of the butt joint of the rear female shell 112 and the front female shell 111.

When the female plug 1 is installed, the female plug current-carrying piece 12 is inserted into the front female housing 111, and the rear female housing 112 is fastened with the front female housing 111, so that the female plug current-carrying piece 12 is installed and fixed in the front and rear housing cavities of the female plug 1.

In order to install the male plug current-carrying part in the male plug 2 in the housing and realize the unidirectional positioning fixed connection, the male housing 21 is structurally designed as follows: the inner cavity of the cavity is provided with a cavity III 21-1 for mounting a male plug current-carrying piece 22, the wall body at the rear end of the cavity is provided with a through hole 21-2 for fixing the male plug current-carrying piece 22, the inner wall of the through hole 21-2 is provided with a concave cavity 21-3, the concave cavity 21-3 is matched with a convex part 221 which is not arranged at the part of the male plug current-carrying piece 22 and is used for unidirectional positioning and fixed connection with the male plug current-carrying piece 22, and the convex part 221 of the male plug current-carrying piece 22 is mounted and fixed in the concave cavity 21-3.

The design of the female shell adopts a split structure, so that the manufacturing precision of the inner cavity of the female shell is improved, the manufacturing process is simple, and the production cost can be reduced; because each shell is provided with a locking structure, the firm connection of each shell is ensured.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A split electrical connector, comprising: the plug comprises a female plug (1) and a male plug (2), wherein the female plug (1) and the male plug (2) respectively comprise a female shell (11) and a male shell (21) which are suitable for being connected in an inserting manner, and a female plug current-carrying piece (12) and a male plug current-carrying piece (22) which are arranged in the female shell (11) and the male shell (21) and are suitable for being connected in the inserting manner;

the female shell (11) consists of a front female shell (111) and a rear female shell (112) which are suitable for being connected in an inserting way;

the shell of the rear female shell (112) and the shell of the male shell (21) are provided with a movable female buckle (5) and a movable male buckle (6) which are used for controlling the locking or the unlocking of the female plug (1) and the male plug (2);

the structure of the front female shell (111) is designed as follows: a first cavity (111-1) for mounting a female plug current-carrying member (12) is arranged in the inner cavity of the shell, and one end of the female plug current-carrying member (12) is fixedly mounted in the first cavity (111-1); a through hole (111-2) of a male plug current-carrying piece (22) is arranged on the front end wall body of the plug; the outer wall of the shell is provided with a front part (111-3) which is spliced with the male shell and a rear part (111-4) which is spliced with the rear female shell (112); the front part (111-3) is provided with a groove (111-5) for mounting the sealing sleeve (3); the rear part (111-4) is provided with a convex buckle (111-6) buckled with the rear female shell (112);

the rear female shell (112) is structurally designed as follows: a second cavity (112-1) for mounting the female plug current-carrying piece (12) is arranged in the inner cavity of the female plug, and the other end of the female plug current-carrying piece (12) is fixedly mounted in the second cavity (112-1); a wire passing hole (112-2) is arranged on the wall body at the rear end of the plug, and an elastic card (112-3) used for fixing two female plug current-carrying pieces (12) is arranged on the wall body between the two wire passing holes (112-2); the outer wall of the shell is also provided with a hole button (112-4) which is matched and buckled with the convex button (111-6).

2. The split electrical connector of claim 1, wherein: the male shell (21) is structurally designed as follows: the inner cavity of the plug is provided with a cavity III (21-1) for mounting a male plug current-carrying piece (22), a through hole (21-2) for fixing the male plug current-carrying piece (22) is formed in the rear end wall body of the plug, a concave cavity (21-3) is formed in the inner wall of the through hole (21-2), the concave cavity (21-3) is matched with a convex part (221) arranged at the tail part of the male plug current-carrying piece (22) and is used for being fixedly connected with the male plug current-carrying piece (22) in a one-way positioning mode, and the convex part (221) of the male plug current-carrying piece is mounted and fixed in the concave cavity (21-3).

3. The split electrical connector of claim 1, wherein: the movable female buckle (5) comprises a concave seat body (51) fixed on the outer wall of the rear female shell (112) and a long-arm lock catch (52) which is arranged in the concave seat body (51) and fixed with the concave seat body (51);

the long-arm lock catch (52) is a strip-shaped wane, and the lower part of the front end of the long-arm lock catch is provided with a hook part;

the movable male buckle (6) is a fixed boss which is arranged on the male shell (21) and is matched and buckled with the hook part at the front end of the long-arm buckle (52).

4. The split electrical connector of claim 1, wherein: the female shell (11) and the male shell (21) are injection-molded insulating parts.

5. The split electrical connector of claim 1, wherein: and a jack (121) which is matched and spliced with the male plug current-carrying piece (22) is arranged in the female plug current-carrying piece (12), and a crown spring (4) is arranged in the jack (121).

6. The split electrical connector of claim 1, wherein: the elastic card (112-3) is structurally designed into a V-shaped elastic card.

7. The split electrical connector of claim 1, wherein: the rear part (111-4) of the front female shell (111) is provided with a mistake-proofing protrusion (111-7), and one side of the rear female shell (112) butted with the front female shell (111) is provided with a notch (112-5) matched with the mistake-proofing protrusion.