CN213878544U

CN213878544U - Electrical connector

Info

Publication number: CN213878544U
Application number: CN202022807946.2U
Authority: CN
Inventors: 张彬; 许立军; 李锦琦; 万佳美
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

An electric connector comprises an insulating body, a plurality of conductive terminals fixedly held with the insulating body and a metal shell covering the insulating body. The insulating body comprises a plug interface and a base surface adjacent to the plug interface. The metal shell comprises a wall surface deviating from the base surface, two side walls extending from two ends of the wall surface in the width direction to the base surface and attached to the side surface of the insulating body, wherein one of the two side walls is a first side wall, and the other side wall is a second side wall. The first side wall is provided with a first connecting piece extending from one end, deviating from the wall surface, of the first side wall towards the direction of the second side wall, the first connecting piece is attached to the base surface, and the first connecting piece is connected with the second side wall in a buckling mode. The utility model discloses a metal casing surrounds insulator and fixes a position firmly not pine and take off in the peripheral direction of interface.

Description

Electrical connector

Technical Field

The utility model belongs to the technical field of the connector and specifically relates to a stable in structure's electric connector.

Background

The electric connector comprises an insulating body, a plurality of conductive terminals fixedly held with the insulating body and a metal shell covering the insulating body. The metal shell generally comprises a top wall, two side walls adjacent to the top wall and two connecting pieces, wherein the two side walls extend towards each other from one end far away from the top wall, the two side walls and the two connecting pieces are annular around the plugging direction, the insulating body is coated in the insulating body, and then the insulating body is fixed by riveting the two connecting pieces. However, the riveting fixation has many disadvantages, such as the requirement of professional riveting equipment, high production cost, insecure fixation and the risk of loosening.

Therefore, there is a need to provide a new electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector, its metal casing can surround insulator and fix a position firm not pine and take off in the peripheral direction of interface.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electrical connector comprises an insulating body, a plurality of conductive terminals fixed with the insulating body and a metal shell covering the insulating body, the insulating body comprises a plug port and a base surface adjacent to the plug port, the metal shell comprises a wall surface deviating from the base surface, two side walls extending from two ends of the wall surface in the width direction to the base surface and attached to part or all of the side surfaces of the insulating body, the wall surface is abutted against part or all of the surface of the insulating body, which is far away from the base surface, one of the two side walls is a first side wall, and the other side wall is a second side wall, the first side wall is provided with a first connecting piece extending from one end of the first side wall departing from the wall surface to the direction of the second side wall, the first connecting piece is attached to part or all of the base surface, and the first connecting piece is connected with the second side wall in a buckling mode.

Preferably, the first connecting piece is provided with a bending part attached to the second side wall, and the bending part is connected with the second side wall in a buckling manner.

Preferably, the bending part is provided with a buckling hole, the second side wall is provided with a buckling part, and the buckling part is contained in the buckling hole.

Preferably, the buckling part is a buckling piece.

Preferably, an opening is formed in the second side wall, and the fastening portion extends from the inner side surface of the opening, which is close to the base surface, toward a direction away from the base surface and away from the insulating body.

Preferably, a second connecting piece is arranged on the second side wall, and the first connecting piece is connected with the second connecting piece in a buckling mode.

Preferably, the second connecting piece is provided with a buckling hole, the first connecting piece is provided with a buckling part, and the buckling part is contained in the buckling hole.

Preferably, the second connecting element abuts against the base surface.

Preferably, the metal shell further comprises a back surface facing away from one end of the socket, two ends of the back surface in the width direction extend towards the socket direction to form two extending portions, and the two extending portions are respectively connected with the corresponding first side wall and the second side wall in a buckling mode.

Preferably, the wall surface, the first side wall, the second side wall, the back surface and the first connecting piece are integrally formed in a stamping mode.

Compared with the prior art, the utility model discloses electric connector's metal casing is after encircleing cladding insulator around the grafting direction, realizes fixedly through the mode that the buckle is connected to guaranteed that metal casing can surround insulator and fix a position firm not pine and take off in the peripheral direction of interface, equipment simple process, low in production cost.

Drawings

Fig. 1 is a perspective assembly view of the electric connector of the present invention.

Fig. 2 is a perspective assembly view of the electric connector of the present invention at another angle.

Fig. 3 is an exploded perspective view of the electrical connector of the present invention.

Fig. 4 is an exploded perspective view of the electrical connector of the present invention at another angle.

Fig. 5 is a right side view of fig. 1.

Fig. 6 is a sectional view taken along line a-a of fig. 5.

Fig. 7 is a sectional view taken along line B-B in fig. 5.

Fig. 8 is a perspective view of a first metal shell in the electrical connector of the present invention.

Fig. 9 is a view from another angle of fig. 8.

Fig. 10 is a partially enlarged view of fig. 8.

Fig. 11 is a partially enlarged view of fig. 9.

Fig. 12 is a perspective view of a second embodiment of a metal shell in an electrical connector according to the present invention.

Fig. 13 is a view from another angle of fig. 12.

Fig. 14 is a perspective view of a third embodiment of a metal shell in an electrical connector according to the present invention.

Fig. 15 is a view from another angle of fig. 14.

Detailed Description

Referring to fig. 1 to 11, an electrical connector 100 includes an insulative housing 1, a plurality of conductive terminals 2 held by the insulative housing 1, and a metal shell 3 covering the insulative housing 1.

Referring to fig. 1 to 4, preferably, the insulating body 1 protrudes forward to expose the metal shell 3, and in other embodiments, the front end of the insulating body 1 may not protrude to expose the metal shell 3. The insulating body 1 has a socket 10 at one end of the plugging direction and matching with a butting connector (not shown), the socket 10 defines a width direction and a height direction, as shown in fig. 1, the width direction is a left-right direction when facing the socket 10, and the height direction is an up-down direction when facing the socket 10. The insulating body 1 includes a base surface 11 adjacent to the plug port 10, in this embodiment, the base surface 11 is a bottom surface of the insulating body 1, and in other embodiments, the base surface 11 may be any surface of the insulating body 1 adjacent to the plug port 10 and surrounding the plugging direction. Taking the base surface 10 as a bottom surface as an example, the insulation body 10 further includes a top surface 12 opposite to the base surface 11 in the height direction, and left and

right side surfaces

13 and 14 connected between the base surface 11 and the top surface 12, wherein the base surface 11, the top surface 12, the left side surface 13, and the right side surface 14 form a closed ring shape surrounding the plugging direction and surrounding the plugging port 10.

Further, the base surface 11 may be a mounting surface for mounting the insulating main body 1 to a circuit board.

Referring to fig. 1 to 11, the metal housing 3 includes a wall surface 31 covering a part or all of the surface (i.e., the top surface 12) of the insulating body 1 facing away from the base surface 11, and a first sidewall 32 and a second sidewall 33 extending from two ends (i.e., left and right ends) of the wall surface 31 in the width direction toward the base surface 11. The first sidewall 32 and the second sidewall 33 may be a left sidewall or a right sidewall, or a right sidewall and a left sidewall, respectively, which may be disposed as required. The first side wall 32 rests partially or completely on the left side 13 and the second side wall 33 rests partially or completely on the right side 14. The first side wall 32 is provided with a first connecting piece 34 extending from one end (i.e., the bottom end) of the first side wall 32 departing from the wall surface 31 to the direction of the second side wall 33, the first connecting piece 34 abuts against part or all of the base surface 11, and the first connecting piece 34 is connected with the second side wall 33 in a buckling manner. The coating and attaching may coat or attach part of the wall or base surface, or coat or attach all of the wall or base surface, which may be disposed as required, and therefore, is not limited thereto.

Referring to the first embodiment of the metal shell 3 shown in fig. 8 to 11, the first connecting member 34 is provided with a bending portion 35 abutting against the second sidewall 33. The bending portion 35 is provided with a buckling hole 301, the second sidewall 33 is provided with a buckling portion 302, the buckling portion 302 is accommodated in the buckling hole 301, so that the first connecting piece 34 and the second sidewall 33 are fixedly connected, in other embodiments, the buckling hole 301 is arranged on the second sidewall 33, the buckling portion 302 is arranged on the first sidewall 32, and buckling connection is realized in the buckling hole 301 through the buckling portion 302. The wall 31, the first sidewall 32, the second sidewall 33, and the first connecting member 34 form a ring shape surrounding the plugging direction and cover the insulating body 1. Specifically, the latch portion 302 is a latch piece formed by punching and tearing. Further, an opening 30 is formed in the second side wall 33, and the fastening portion 302 is formed by extending from the inner side surface of the opening 30 close to the base surface 11 toward the direction away from the base surface 11 and away from the insulating body 1, so that the fastening portion 302 and the fastening hole 301 can be stably matched and are not easy to loosen.

Referring to fig. 12 and 13, in the second embodiment of the metal housing 3, only the left side and the right side are exchanged in the width direction, that is, the position of the snap connection is changed from the right side of the first embodiment of the insertion port 10 to the left side of the insertion port 10. Therefore, the second embodiment shown in fig. 12 and 13 will not be described in detail.

Referring to fig. 14 and 15, in a third embodiment of the metal shell 3, a second connecting piece 36 is disposed on the second sidewall 33, and the first connecting piece 34 is connected to the second connecting piece 36 in a snap-fit manner. The second connecting member 36 covers a part of the base surface 11. The third embodiment differs from the first and second embodiments in that: the first and second implementation modes are that the side of the interface 10 is in snap connection; and the third embodiment is a snap connection below the interface 10. That is, the fastening hole 301 is disposed on the second connecting member 36, the fastening portion 302 is disposed on the first connecting member 34, and the fastening portion 302 is accommodated in the fastening hole 301 at a position below the socket 10, so as to achieve fastening connection. In other embodiments, the locking hole 301 may also be disposed on the first connecting element 34, and the locking portion 302 may also be disposed on the second connecting element 36, so as to achieve the locking connection between the first connecting element 34 and the second connecting element 36.

Further, a connecting portion is disposed at an end of the second connecting member 36 away from the second sidewall 33, the connecting portion abuts against an inner surface of the first connecting member 34 and is in snap-fit connection with the inner surface, and a lower surface of the second connecting member 36 is coplanar with a lower surface of the first connecting member 34.

Referring to fig. 3 and 4, the metal housing 3 further includes a back surface 37 facing away from one end of the socket 10 in the plugging direction, and two ends of the back surface 37 in the width direction extend toward the socket 10 to form two extending portions 38. The two extending portions 38 are respectively connected with the first side wall 32 and the second side wall 33 in a snap-fit manner. The "snap-fit connection" is also realized by the manner of "the snap-fit portion 302 is received in the snap-fit hole 301" as described above, and therefore, the detailed description thereof is omitted.

In the first, second and third embodiments of the metal shell 3, the wall surface 31, the first side wall 32, the second side wall 33, the back surface 37 and the first connecting member 34 are formed by integral press molding.

Therefore, the utility model discloses electric connector 100's metal casing 3 realizes fixedly around grafting direction annular cladding insulator 1 after, the mode of connecting through the buckle to guaranteed that metal casing 3 can surround insulator 1 and fix a position firmly not take off in the peripheral direction of interface 10.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An electric connector comprises an insulating body (1), a plurality of conductive terminals (2) fixed with the insulating body (1) and a metal shell (3) covering the insulating body (1), wherein the insulating body (1) comprises a plug interface (10) and a base surface (11) adjacent to the plug interface (10), and is characterized in that: metal casing (3) including deviating from wall (31) of base surface (11), certainly wall (31) is at the both ends on the width direction court base surface (11) extend and lean on some or whole two lateral walls (32, 33) on insulator (1) side, wall (31) are leaned on some or whole insulator (1) deviates from on the surface of base surface (11), two one in lateral wall (32, 33) is first lateral wall and another is the second lateral wall, be equipped with on the first lateral wall certainly first lateral wall deviates from the one end of wall (31) is towards first connecting piece (34) that the second lateral wall direction extends, first connecting piece (34) lean on some or whole base surface (11), first connecting piece (34) with second lateral wall buckle connects.

2. The electrical connector according to claim 1, wherein the first connecting member (34) is provided with a bent portion (35) abutting against the second side wall, and the bent portion (35) is snap-fit connected with the second side wall.

3. The electrical connector of claim 2, wherein a snap hole (301) is formed in the bending portion (35), a snap portion (302) is formed in the second sidewall, and the snap portion (302) is received in the snap hole (301).

4. The electrical connector of claim 3, wherein the snap-fit portion (302) is a snap-fit tab.

5. The electrical connector according to claim 4, wherein an opening (30) is formed on the second side wall, and the latching portion (302) is formed by extending from an inner side surface of the opening (30) close to the base surface (11) to a direction away from the base surface (11) and away from the insulating body (1).

6. The electrical connector of claim 1, wherein a second connecting member (36) is provided on the second side wall, and the first connecting member (34) is snap-fit connected to the second connecting member (36).

7. The electrical connector of claim 6, wherein a snap hole (301) is formed in the second connecting member (36), and a snap portion (302) is formed in the first connecting member (34), wherein the snap portion (302) is received in the snap hole (301).

8. The electrical connector of claim 7, wherein the second connection piece (36) abuts the base surface (11).

9. The electrical connector according to claim 1, wherein the metal housing (3) further comprises a back surface (37) facing away from one end of the socket (10), two ends of the back surface (37) in the width direction extend towards the socket (10) to form two extending portions (38), and the two extending portions (38) are respectively in snap connection with the corresponding first side wall and the second side wall.

10. The electrical connector of claim 9, wherein the wall surface (31), the first side wall, the second side wall, the rear surface (37) and the first connecting member (34) are integrally formed by stamping.