CN215299617U

CN215299617U - Electrical plug connector with current-carrying piece and shell in split connection

Info

Publication number: CN215299617U
Application number: CN202121701025.6U
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: 2021-12-24
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a female electric mortiser union piece of having opened a current-carrying spare and casing for split type connection, including female plug and public plug, female plug and public plug contain respectively and are suitable for the continuous female casing and the public casing of pegging graft, female plug current-carrying spare and public plug current-carrying spare. 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 male shell consists of a front male shell and a rear male shell which are suitable for being connected in an inserting way; and movable male and female buttons for controlling the locking or the unlocking of the plug of the female and male shells are arranged on the shell of the female shell and the shell of the front male shell. The electric plug connector of the utility model is provided with the locking mechanism between the shells, thus improving the stability of the connection of the female plug and the male plug; each part adopts a split structure design, so that the manufacturing precision of each part is improved, the manufacturing process is simple, and the production cost is reduced; the V-shaped elastic clamping piece enables the axis direction of the female and male current carrying pieces to be finely adjusted when the female and male current carrying pieces are inserted mutually, so that the female and male current carrying pieces can be ensured to be in the same axial direction, and good electrode contact can be kept.

Description

Electrical plug connector with current-carrying piece and shell in split connection

Technical Field

The utility model relates to an electric mortiser plug-in components field, it is special, relate to an electric mortiser plug-in components that current-carrying spare and casing are split type connection.

Background

When the existing large-current electric plug connector is plugged, current-carrying pieces are injected into female and male shells, and the coaxiality of the current-carrying pieces in the female and male plugs cannot be overlapped into a line, so that errors can be generated on the central axes of the current-carrying pieces in the mutual plugging of the female and male plugs. In use, due to errors, the phenomena of improper plugging of the female plug and the male 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 the fact that the electric plug is easy to generate heat is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric plug connector with a current-carrying piece and a shell in split connection, because the current-carrying piece and the shell are connected by adopting a split movable connection structure, the coaxiality of the current-carrying piece has an automatic fine adjustment function in the plug use process, so that the bad contact phenomenon caused by the plug-in of a female plug and a male plug not in place or the movement of the electric plug can not occur, thereby ensuring the normal use of the electric appliance; in the normal use process, as the locking mechanisms are arranged among the shells, the separation of the female plug and the male plug caused by the loosening is not easy to occur, thereby improving the connection stability of the female plug and the male plug; 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 can be achieved by the following technical solutions:

the utility model provides an electric connector that current-carrying spare and casing are split type connection, 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 to 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 and male shells and reduce the production cost, the female and male shells adopt 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.

Furthermore, the male shell consists of a front male shell and a rear male shell which are suitable for being connected in an inserting way.

Furthermore, movable male and female buttons for controlling the locking or the unlocking of the male and female shell plugs are arranged on the rear female shell and the front male shell.

In order to ensure that the female plug and the male 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 lock catch hinged in 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 front 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 current-carrying piece in a female plug to be axially inserted and assembled in a shell and realize fine adjustment of the axial direction of the current-carrying piece, and to enable front and rear female shells to be firmly connected after connection, the front female shell structure is designed as follows: the inner cavity of the plug 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 of one side of the front end plate is provided with a through hole of a male plug current-carrying piece; the outer wall of the shell is provided with a front plug part I which is plugged with the front male shell and a rear plug part I which is plugged with the rear female shell.

A groove for installing a sealing sleeve is formed in the first front inserting part; the first rear plug-in part is provided with a first 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; a first wire passing hole is formed in the wall body at the rear end of the plug, and a first elastic clamp used for fixing two current carrying pieces of the female plug is arranged on the wall body between the first wire passing holes; the outer wall of the shell is also provided with a hole buckle I which is matched and buckled with the convex buckle I.

Further, the elastic card structure is designed as 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 enable a current-carrying piece in the male plug to be axially inserted and assembled in the shell and realize the micro adjustment of the axis direction, and to enable the front male shell and the rear male shell to be firmly connected, the structure of the front male shell is designed as follows: the inner cavity of the cavity is provided with a cavity III for mounting a male plug current-carrying piece, the cavity III is internally provided with a convex part, the convex part is matched with a positioning bulge arranged on the male plug current-carrying piece and is used for being fixedly connected with one end of the male plug current-carrying piece in a one-way positioning mode, one end of the male plug current-carrying piece is fixedly mounted in the cavity III, the outer wall of the cavity III is provided with a front insertion part II which is spliced with a front female shell and a rear insertion part II which is spliced with a rear male female shell, and the rear insertion part II is also provided with a convex buckle II which is buckled with a rear male shell.

The rear male shell is structurally designed as follows: the inner cavity of the shell is provided with a cavity IV for mounting a male plug current-carrying member, and the other end of the male plug current-carrying member is fixedly mounted in the cavity IV; a second wire passing hole is formed in the rear end wall of the plug body, and a second elastic clamp used for fixing two female plug current-carrying pieces is arranged on a wall body between the two second wire passing holes; the outer wall of the box body is also provided with a hole buckle II which is matched and buckled with the convex buckle II.

Furthermore, the second elastic clamping structure is designed into a V-shaped elastic clamping piece.

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

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.

To sum up, the utility model discloses a beneficial technological effect does: 1. the design of the female and male shells adopts a split structure, so that the manufacturing precision of the inner cavity of the female and male shells 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 and the male shell for mounting the female current-carrying piece in the shells, and when the female current-carrying piece and the male current-carrying piece are inserted mutually, the axis direction of the female current-carrying piece and the male current-carrying piece can be finely adjusted, so that the female current-carrying piece and the male current-carrying piece can be ensured to be in the same axial direction when being inserted mutually, and the problem that the normal use of an electric appliance is influenced due to poor contact of electrodes is avoided.

Drawings

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

FIG. 2 is a schematic diagram of an explosion structure for showing the connection relationship between the female housing and the male housing;

fig. 3 is an exploded schematic view of the present invention for showing the connection relationship between each component of the female plug and the male plug;

fig. 4 is a schematic view of the cross-sectional structure of the connection relationship between the female plug current-carrying member and the male plug current-carrying member of 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, a front insert part I; 111-4 and a first rear insertion part; 111-5, grooves; 111-6, and buckling one; 112. a rear female housing; 112-1 and a cavity II; 112-2 and a first wire through hole; 112-3, elastic card I; 112-4, buckling a hole I; 12. a female plug current-carrying member; 121. a jack; 2. a male plug; 21. a male housing; 211. a front male housing; 211-1 and a cavity III; 211-2, a convex portion; 211-3 and a second front inserting part; 211-4 and a second rear insertion part; 211-5 and a convex buckle II; 212. a rear male housing; 212-1, cavity four; 212-2, a second wire through hole; 212-3, elastic card two; 212-4, and a hole buckle II; 22. a male plug current carrying member; 22-1, positioning protrusions; 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, for the utility model discloses a female current-carrying spare of opening is split type connection's electric connector with casing, including female plug 1 and male plug 2, female plug 1 and male plug 2 contain female casing 11 and the public casing 21 that is suitable for the grafting to link to each other respectively, and female, public casing (11, 21) design adopts split type structure, and female casing 11, public casing 21 are an insulating part of moulding plastics. Female plug current-carrying pieces 12 and male plug current-carrying pieces 22 suitable for being connected in an inserting mode are respectively installed in the female shell 11 and the male shell 21, inserting holes 121 matched with and inserted into the male plug current-carrying pieces 22 are formed in the female plug current-carrying pieces 12, and crown springs 4 are arranged in the inserting holes 121.

The female housing 11 is composed of front and rear female housings (211, 212) adapted to be plug-connected. The male housing 21 is composed of front and rear male housings (211, 212) adapted to be plug-connected. The shell of the rear female shell 112 and the shell of the front male shell 211 are provided with movable male and female buttons (5, 6) for controlling the locking or the unlocking of the plugs of the female and male shells (11, 21).

The female buckle 5 includes a concave seat 51 fixed on the outer wall of the female rear housing 112, and a long arm lock catch 52 hinged in 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 fixing boss which is arranged on the front male shell 211 and is matched and buckled with the hook part at the front end of the long-arm buckle 52.

The front female shell 111 is structurally designed as follows: a cavity I111-1 for installing a female plug current-carrying piece 12 is arranged in the inner cavity of the female plug, and one end of the female plug current-carrying piece 12 is fixedly installed in the cavity I111-1; the front end wall of one side of the front end plate is provided with a through hole 111-2 of a male plug current-carrying piece 22; the outer wall of the shell is provided with a front plug part I111-3 which is plugged with the front male shell 211 and a rear plug part I111-4 which is plugged with the rear female shell 112. A groove 111-5 for installing the sealing sleeve 3 is formed in the front plug-in part I111-3; the first rear plug part 111-4 is provided with a first convex buckle 111-6 buckled with the female rear 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 first wire passing hole 112-2, an elastic clamp 112-3 used for fixing two female plug current-carrying pieces 12 is arranged on the wall body between the first wire passing holes 112-2, and the structure of the elastic clamp 112-3 is designed to be a V-shaped elastic clamping piece. The outer wall of the rear female shell 112 is also provided with a hole buckle I112-4 which is matched and buckled with the convex buckle I111-6. The back female shell can be assembled randomly.

In order to make the male plug current-carrying piece 22 axially butt-joint in the housing and to adjust the axial direction of the male plug current-carrying piece 22, and to make the front and rear male housings 212 firmly connected, the front male housing 211 is structured as follows: the inner cavity of the cavity is provided with a cavity III 211-1 for mounting a male plug current-carrying piece 22, a convex part 211-2 is arranged in the cavity III 211-1, the convex part 211-2 is matched with a positioning bulge 22-1 arranged on the male plug current-carrying piece 22 and is used for being fixedly connected with one end of the male plug current-carrying piece 22 in a one-way positioning mode, one end of the male plug current-carrying piece 22 is fixedly mounted in the cavity III 211-1, the outer wall of the cavity III is provided with a front inserting part II 211-3 inserted with the front female shell 111 and a rear inserting part II 211-4 inserted with the rear male female shell 11, and a convex buckle II 211-5 fastened with the rear male shell 212 is further arranged on the rear inserting part II 211-4.

The rear male housing 212 is structurally designed to: a cavity IV 212-1 for installing the male plug current-carrying member 22 is arranged in the inner cavity of the shell, and the other end of the male plug current-carrying member 22 is fixedly installed in the cavity IV 212-1; the rear end wall of the shell is provided with a second wire passing hole 212-2, a wall body between the second wire passing holes 212-2 is provided with a second elastic clamp 212-3 used for fixing the two female plug current-carrying pieces 12, and the second elastic clamp 212-3 is designed into a V-shaped elastic clamping piece. The outer wall of the rear male shell 212 is also provided with a hole buckle II 212-4 which is matched and buckled with the convex buckle II 211-5.

The utility model discloses a during female plug 1 installation, earlier insert female plug current-carrying spare 12 in the female casing 111 before, female casing 112 and preceding female casing 111 lock joint after again, female plug current-carrying spare 12 just is fixed by the installation in the preceding of female plug 1, back female casing (111, 112) cavity like this.

When the male plug 2 is installed, the male plug current-carrying member 22 is inserted into the front male housing 211, and the rear male housing 212 is fastened to the front male housing 211, so that the male plug current-carrying member 22 is installed and fixed in the cavities of the front and rear male housings (211, 212) of the male plug 2.

Because the female and male shell 21 is designed to adopt a split structure, the manufacturing precision of the inner cavity of the female and male shell 21 is improved, the manufacturing process is simple, and the production cost can be reduced. And each shell is provided with a locking structure, so that the shells are firmly connected. Because the V-shaped elastic clamping piece is arranged in the cavity of the female and male shell 21 for mounting the current-carrying piece, the female and male current-carrying pieces are mounted in the shell, and can be axially finely adjusted when being inserted mutually, so that the female and male current-carrying pieces can be ensured to be in the same axial direction when being inserted mutually, and the problems of poor electrode contact and further influence on the normal use of an electric appliance are avoided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a current-carrying spare and casing are split type connection's electric connector which characterized in that: 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 male shell (21) consists of a front male shell (211) and a rear male shell (212) which are suitable for being connected in a plugging way;

and movable male and female buttons (5, 6) for controlling the locking or the unlocking of the male and female shell plugs (1, 2) are arranged on the shell of the rear female shell (112) and the shell of the front male shell (211).

2. The electrical connector of claim 1, wherein the current carrying member is a split electrical connector with the housing, and wherein: 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 wall body of the front end on one side of the shell; the outer wall of the shell is provided with a first front plug-in part (111-3) which is plugged with the front male shell and a first rear plug-in part (111-4) which is plugged with the rear female shell (112); a groove (111-5) for installing the sealing sleeve (3) is formed in the front plug-in part I (111-3); the rear plug-in part I (111-4) is provided with a convex buckle I (111-6) which is buckled with the rear female shell (112).

3. The electrical connector of claim 2, wherein the current carrying member is a split electrical connector with the housing, and wherein: 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 first wire passing hole (112-2) is arranged on the wall body at the rear end of one side of the plug, and a first elastic clamp (112-3) used for fixing two female plug current-carrying pieces (12) is arranged on the wall body between the two first wire passing holes (112-2); the outer wall of the shell is also provided with a hole buckle I (112-4) which is matched and buckled with the convex buckle I (111-6).

4. The electrical connector of claim 1, wherein the current carrying member is a split electrical connector with the housing, and wherein: the structure of the front male shell (211) is designed as follows: a cavity III (211-1) for mounting the male plug current-carrying piece (22) is arranged in the inner cavity of the male plug current-carrying piece, a convex part (211-2) is arranged in the cavity III (211-1), and the convex part (211-2) is matched with a positioning bulge (22-1) arranged on the male plug current-carrying piece (22) and is used for being fixedly connected with one end of the male plug current-carrying piece (22) in a unidirectional positioning manner; the outer wall of the shell is provided with a front plug-in part II (211-3) which is plugged with the front female shell (111) and a rear plug-in part II (211-4) which is plugged with the rear male shell (212), and the rear plug-in part II (211-4) is also provided with a convex buckle part II (211-5) which is buckled with the rear male shell (212).

5. The electrical connector of claim 4, wherein the current carrying member is a split electrical connector with the housing, and wherein: the rear male shell (212) is structurally designed as follows: a cavity IV (212-1) for mounting a male plug current-carrying member (22) is arranged in the inner cavity of the shell, and the other end of the male plug current-carrying member (22) is fixedly mounted in the cavity IV (212-1); the rear end wall of the shell is provided with a second wire passing hole (212-2), a wall body between the two second wire passing holes (212-2) is provided with a second elastic clamp (212-3) for fixing two female plug current-carrying pieces (12), and the outer wall of the shell is also provided with a second hole buckle (212-4) which is matched and buckled with the second convex buckle (211-5).

6. The electrical connector of claim 1, wherein the current carrying member is a split electrical connector with the housing, and 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) hinged in the concave seat body (51), the long-arm lock catch (52) is a strip-shaped warped plate, 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 front male shell (211) and is matched and buckled with the hook part at the front end of the long arm lock catch (52).

7. The electrical connector of claim 1, wherein the current carrying member is a split electrical connector with the housing, and wherein: the female shell (11) and the male shell (21) are injection-molded insulating parts.

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

9. The electrical connector of claim 3, wherein the current carrying member is a split electrical connector with the housing, and wherein: the first elastic card (112-3) is designed into a V-shaped elastic card.

10. The electrical connector of claim 5, wherein the current carrying member is a split electrical connector with the housing, and wherein: the second elastic card (212-3) is designed into a V-shaped elastic card.