CN215579398U

CN215579398U - Metal shell electric connector with reliable grounding performance

Info

Publication number: CN215579398U
Application number: CN202121441450.6U
Authority: CN
Inventors: 张晓阳; 龚明; 陈松; 刘向阳
Original assignee: Chengdu Hongming Electronics Co Ltd
Current assignee: Chengdu Hongming Electronics Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-18
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a metal shell electric connector with reliable grounding performance, which comprises a plug and a socket which are connected with each other, wherein the plug comprises a plug metal shell, a pin insulator and a contact pin contact element; an annular first conductive sealing gasket is arranged at the position, located on the outer side of the pin insulator, in the plugging end of the plug metal shell, and when the plug and the socket are plugged in place, the first conductive sealing gasket is in close contact with the inner wall of the plugging end of the plug metal shell and the end face of the plugging end of the socket metal shell. According to the utility model, the first conductive sealing gasket is arranged in the plugging end of the plug metal shell, so that the conductive connection between the plug metal shell and the socket metal shell is more reliable, and the purpose of simultaneously and reliably grounding the socket shell and the plug shell can be realized no matter the socket shell or the plug shell is grounded.

Description

Metal shell electric connector with reliable grounding performance

Technical Field

The present invention relates to an electrical connector with a metal shell, and more particularly, to an electrical connector with a metal shell with a reliable grounding performance.

Background

A metal shell electrical connector is an electrical connector that uses a metal shell to improve signal shielding capability, and such an electrical connector needs to ground the metal shell to ensure safety in use.

The socket shell and the plug shell of the traditional metal shell electric connector are in direct contact connection, because the socket shell and the plug shell are made of hard metal, reliable conductive contact between the socket shell and the plug shell can not be caused due to vibration, impact and the like in the actual use process, the electric connector is only grounded by the socket shell or the plug shell when being installed and grounded, and if the socket shell and the plug shell can not be reliably connected in a conductive manner, the problem that the socket shell or the plug shell can not be reliably grounded exists, so that certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing a metal shell electrical connector with reliable grounding performance.

The utility model realizes the purpose through the following technical scheme:

a metal shell electric connector with reliable grounding performance comprises a plug and a socket which are connected with each other, wherein the plug comprises a plug metal shell, a pin insulator and a pin contact element, the pin insulator is arranged in the plug metal shell, one end of the pin contact element is arranged in the pin insulator, the socket comprises a socket metal shell, a hole insulator and a jack contact element, the hole insulator is arranged in the socket metal shell, one end of the jack contact element is arranged in the hole insulator, and the plugging end of the socket metal shell is arranged in the plugging end of the plug metal shell; and an annular first conductive sealing gasket is arranged at the position, which is positioned outside the pin insulator, in the plugging end of the plug metal shell, and when the plug and the socket are plugged in place, the first conductive sealing gasket is simultaneously in close contact with the inner wall of the plugging end of the plug metal shell and the end face of the plugging end of the socket metal shell.

Preferably, in order to facilitate better grounding conductivity when the socket is mounted on other equipment, a second conductive gasket is mounted at one end of the metal shell of the socket, which is far away from the plug.

Preferably, in order to connect the socket and the plug more stably and install the second conductive sealing gasket on the socket metal shell more stably, the socket metal shell is provided with a threaded sleeve, one end of the threaded sleeve is provided with an internal thread, the other end of the threaded sleeve is a screw rod, the screw rod penetrates through a through hole close to the edge position on the socket metal shell and a through hole corresponding to the second conductive sealing gasket and then is connected with a nut, and an inner hexagonal screw penetrates through the through hole on the plug metal shell and then is connected with the corresponding threaded sleeve.

Preferably, in order to better clamp and fix the lead connected with the contact pin on the plug to prevent the lead from being pulled off, a wire clamping shell is installed at one end, far away from the socket, of the plug metal shell, and a wire pressing bush used for pressing the lead is installed at one end, far away from the socket, of the wire clamping shell.

The utility model has the beneficial effects that:

according to the utility model, the first conductive sealing gasket is arranged in the plugging end of the plug metal shell, and when the plug and the socket are plugged in place, the first conductive sealing gasket is simultaneously in close contact with the inner wall of the plugging end of the plug metal shell and the end face of the plugging end of the socket metal shell, so that the conductive connection between the plug metal shell and the socket metal shell is more reliable, the purpose of simultaneously and reliably grounding the socket shell and the plug shell can be realized no matter the socket shell or the plug shell is grounded, the grounding reliability cannot be influenced even if the plug and socket shell is used in a vibration and impact environment, and the potential safety hazard caused by unreliable grounding is avoided.

Drawings

Fig. 1 is a perspective view of a plug of a metal shell electrical connector with reliable grounding performance according to the present invention;

fig. 2 is a perspective view of the receptacle of the metal shell electrical connector of the present invention with reliable grounding performance;

fig. 3 is a perspective view of the metal shell electrical connector with reliable grounding performance according to the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1, 2 and 3, the metal shell electrical connector with reliable grounding performance according to the present invention includes a plug 1 and a socket 2 connected with each other, the plug 1 includes a plug metal shell 14, a pin insulator 11 and a pin contact 15, the pin insulator 11 is installed in the plug metal shell 14, one end of the pin contact 15 is installed in the pin insulator 11, the socket 2 includes a socket metal shell 24, a hole insulator 23 and a socket contact 22, the hole insulator 23 is installed in the socket metal shell 24, one end of the socket contact 22 is installed in the hole insulator 23, and the plugging end of the socket metal shell 24 is placed in the plugging end of the plug metal shell 14; an annular first conductive sealing gasket 12 is arranged at the position, which is positioned outside the pin insulator 11, in the plugging end of the plug metal shell 14, and when the plug 1 and the socket 2 are plugged in place, the first conductive sealing gasket 12 is simultaneously in close contact with the inner wall of the plugging end of the plug metal shell 14 and the end face of the plugging end of the socket metal shell 24. Preferably, a second conductive gasket 25 is mounted on one end of the socket metal shell 24 away from the plug 1; the socket metal shell 24 is provided with a threaded sleeve 20, one end of the threaded sleeve 20 is provided with internal threads, the other end of the threaded sleeve 20 is provided with a screw 21, the screw 21 passes through a through hole close to the edge of the socket metal shell 24 and a corresponding through hole on the second conductive sealing gasket 25 and then is connected with a nut (the nut is not shown in the figure), and the socket head cap screw 10 passes through a through hole on the plug metal shell 14 and then is connected with the corresponding threaded sleeve 20; a wire clamping shell 13 is mounted on one end of the plug metal shell 14 far away from the socket 2, and a wire pressing bush (not shown) for pressing a wire is mounted on one end of the wire clamping shell 13 far away from the socket 2.

Also shown in fig. 2 is a socket post 26 on the receptacle 2 for soldering to a wire.

As shown in fig. 1-3, in use, the plugging end of the receptacle metal housing 24 of the receptacle 2 is aligned with the plugging end of the plug metal housing 14 of the plug 1 and inserted, so that the plurality of pin contacts 15 are inserted into the corresponding socket contacts 22, and then the socket head cap screws 10 are connected with the corresponding thread sleeves 20 on the receptacle 2 after passing through the through holes on the plug metal housing 14, thereby completing the connection between the plug 1 and the receptacle 2. After the connection, the first conductive gasket 12 is in close contact with the inner wall of the plug end of the plug metal housing 14 and the end face of the plug end of the receptacle metal housing 24, so that the plug metal housing 14 and the receptacle metal housing 24 are always in stable conductive connection, and even in a vibration environment, the conductive performance can be kept good enough, and no matter the plug metal housing 14 or the receptacle metal housing 24 is grounded, the plug metal housing 14 and the receptacle metal housing 24 can be reliably grounded, thereby avoiding potential safety hazards. If the second conductive gasket 25 can be mounted on and grounded through other device housings, the plug metal shell 14 and the receptacle metal shell 24 can be also reliably grounded, and a separate grounding process for the plug metal shell 14 or the receptacle metal shell 24 is omitted, so that the use is more convenient.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. A metal shell electric connector with reliable grounding performance comprises a plug and a socket which are connected with each other, wherein the plug comprises a plug metal shell, a pin insulator and a pin contact element, the pin insulator is arranged in the plug metal shell, one end of the pin contact element is arranged in the pin insulator, the socket comprises a socket metal shell, a hole insulator and a jack contact element, the hole insulator is arranged in the socket metal shell, one end of the jack contact element is arranged in the hole insulator, and the plugging end of the socket metal shell is arranged in the plugging end of the plug metal shell; the method is characterized in that: and an annular first conductive sealing gasket is arranged at the position, which is positioned outside the pin insulator, in the plugging end of the plug metal shell, and when the plug and the socket are plugged in place, the first conductive sealing gasket is simultaneously in close contact with the inner wall of the plugging end of the plug metal shell and the end face of the plugging end of the socket metal shell.

2. The metal shell electrical connector with reliable grounding performance of claim 1, wherein: and a second conductive sealing gasket is arranged at one end of the socket metal shell, which is far away from the plug.

3. The metal shell electrical connector with reliable grounding performance of claim 2, wherein: the socket is characterized in that a threaded sleeve is installed on the socket metal shell, an internal thread is arranged at one end of the threaded sleeve, a screw rod is arranged at the other end of the threaded sleeve, the screw rod penetrates through a through hole close to the edge position on the socket metal shell and a through hole corresponding to the second conductive sealing gasket and then is connected with a nut, and an inner hexagonal screw penetrates through a through hole on the plug metal shell and then is connected with the corresponding threaded sleeve.

4. A metal shell electrical connector with reliable grounding performance as in claim 1, 2 or 3 wherein: and a wire clamping shell is arranged at one end of the plug metal shell, which is far away from the socket, and a wire pressing bush for pressing a wire is arranged at one end of the wire clamping shell, which is far away from the socket.