CN109687232B - Dual grounding electric connector - Google Patents
Dual grounding electric connector Download PDFInfo
- Publication number
- CN109687232B CN109687232B CN201811522105.8A CN201811522105A CN109687232B CN 109687232 B CN109687232 B CN 109687232B CN 201811522105 A CN201811522105 A CN 201811522105A CN 109687232 B CN109687232 B CN 109687232B
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- China
- Prior art keywords
- grounding
- shell
- shielding layer
- hole
- cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a double grounding electric connector, which comprises a shielding metal shell, a shell and a grounding terminal: the shielding metal shell is provided with a cable shielding layer connecting part, a first grounding wire hole and a shell connecting part used for connecting the shell, the shell is provided with a grounding terminal mounting hole and a second grounding wire hole, the grounding terminal is provided with a grounding connection plane, the grounding connection plane is connected with the second grounding wire hole, the grounding connection plane is used for connecting a grounding wire, the cable shielding layer connecting part is used for connecting a shielding layer of an external cable, and the grounding terminal mounting hole is connected with the grounding terminal. The cable shielding layer connecting part is arranged on the tail wrapping circle at the end part of the shielding metal shell, the shielding metal shell is further provided with a grounding elastic arm, and the grounding elastic arm is connected with a grounding connecting plane and used for fixing the grounding wire on the grounding connecting plane. The grounding device can simultaneously complete the grounding operation of the cable shielding layer and the grounding wire, and the grounding wire is arranged in the shielding layer, so that the size is smaller after the grounding is completed, and the grounding device is not limited by the size and the installation space.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a double-grounding electric connector.
Background
How are the shielding layer of the cable and the ground terminal of the connector connected together, if the connector has a ground terminal and a cable is to be externally connected, and the external cable has a shielding layer? One method is to directly connect the shielding layer with the grounding terminal, and connect the shielding layer with the grounding terminal of the connector through screws or crimping with elastic pieces, if the external cable also has a grounding wire, the external cable itself needs to be connected with the grounding terminal of the connector, and then the shielding layer of the cable is connected, so that the installation operation is easy to omit and how to avoid? The structure of a connecting cable shielding layer is designed on a connector, the structure is that the connector is provided with a metal shell, the shielding layer of a cable and the metal shell of the connector are connected together, the connector without the metal shell is provided with a shielding wire clamp, a metal part for connecting the cable shielding layer and the shielding metal shell is arranged in the shielding wire clamp, firstly, the locking screw is required to be fastened, secondly, due to size limitation, the outer diameter of the applicable cable is limited, the connector can be used for various cables with large cable diameter change, the shielding wire clamp is not suitable for use, and therefore the electric connector capable of meeting the simultaneous grounding requirements of a grounding wire and the shielding layer is required to be designed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a double-grounding electric connector which solves the technical problem that a cable shielding layer and a grounding wire are grounded simultaneously in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a double ground electric connector, includes shielding metal casing, shell and ground terminal, its characterized in that: the shielding metal shell is provided with a cable shielding layer connecting part, a first grounding wire hole and a shell connecting part used for connecting the shell, the shell is provided with a second grounding terminal mounting hole and a second grounding wire hole, the grounding terminal is provided with a grounding connection plane, the second grounding wire hole is connected with the grounding connection plane, the grounding connection plane is used for connecting a grounding wire, the cable shielding layer connecting part is used for connecting a shielding layer of an external cable, and the grounding terminal mounting hole is connected with the grounding terminal.
As an optimized scheme of the invention, in the double-ground electrical connector, the cable shielding layer connecting part is a tail wrapping circle arranged at the end part of the shielding metal shell.
As an optimized scheme of the invention, in the double-ground electrical connector, the tail part round covering is further provided with a fixing hole, and the fixing hole is connected with a locking device for locking the tail part round covering.
As an optimized solution of the present invention, in the aforementioned dual ground electrical connector, the locking device is a plastic ribbon.
As an optimized solution of the present invention, in the aforementioned dual-ground electrical connector, the shielding metal shell is further provided with a ground elastic arm, and the ground elastic arm is connected to the ground connection plane and is used for fixing the ground wire to the ground connection plane.
As an optimized solution of the present invention, in the above-mentioned double-ground electrical connector, the housing connecting portion includes a mounting arm and a fixing portion, the housing is provided with a fixing boss and a shielding shell fixing groove, the fixing portion is connected to the fixing boss, and the mounting arm is connected to the shielding shell fixing groove.
As an optimized solution of the present invention, in the aforementioned double-ground electrical connector, the fixing portion is provided with a through hole, and the through hole is connected to the fixing boss.
The invention achieves the following beneficial effects:
when the grounding operation is needed, the shielding layer is fixed by the tail wrapping circle to complete the grounding of the shielding layer; the grounding cable penetrates between the grounding elastic arm and the grounding connection plane through the grounding terminal mounting hole, and the grounding wire is extruded by the grounding elastic arm and the grounding connection plane at the moment, so that the grounding of the grounding wire can be completed. The grounding device can simultaneously complete the grounding operation of the cable shielding layer and the grounding wire, and the grounding wire is arranged in the shielding layer, so that the size is smaller after the grounding is completed, and the grounding device is not limited by the size and the installation space.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a first housing construction of the present invention;
FIG. 3 is a second embodiment of the present invention housing construction;
FIG. 4 is a view showing the structure of a shield metal case of the present invention;
FIG. 5 is a view of the ground terminal structure of the present invention;
the meaning of the reference numerals: 1-shielding a metal case; 2-a housing; 3-a ground terminal; 4-a locking device; 5-external cable; 11-wrapping the tail with a circle; 111-fixation holes; 12-a mounting arm; 13-a fixed part; 14-a ground wire hole I; 15-a grounding spring arm; 21-ground terminal mounting holes; 22-fixing the boss; 23-shield shell fixation slot; 24-a second ground wire hole; 31-ground connection plane.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 5: the embodiment discloses a double ground connection electric connector, including shielding metal casing 1, shell 2 and ground terminal 3, its characterized in that: shielding metal casing 1 is equipped with cable shielding layer connecting portion, ground connection hole 14 and is used for connecting the shell connecting portion of shell 2, and shell 2 is equipped with ground terminal mounting hole 21 and ground connection hole two 24, and ground terminal 3 is equipped with ground connection plane 31, and ground connection plane 31 connects ground connection hole two 24, and ground connection plane 31 is used for connecting the earth connection, and cable shielding layer connecting portion is used for connecting external cable 5's shielding layer, and ground terminal 3 is connected to ground terminal mounting hole 21.
Specifically, the cable shielding layer connecting portion is a tail wrapping circle 11 arranged at the end of the shielding metal shell 1, and the tail wrapping circle 11 is used for wrapping the shielding layer. In order to better fix the shielding layer on the tail wrapping circle 11 and prevent the tail wrapping circle 11 from being loosened, the tail wrapping circle 11 of the embodiment is further provided with a fixing hole 111, and the fixing hole 111 is connected with a locking device 4 for locking the tail wrapping circle 11. The locking device 4 passes through the fixing hole 111 for fastening the tail rounding 11, and the fixing hole 111 can prevent the locking device 4 from being loosened or falling off, and the locking device 4 of the embodiment is preferably a plastic binding tape.
Specifically, shielding metal shell 1 still is equipped with ground connection bullet arm 15, and ground connection bullet arm 15 remains a pretightning force to ground connection plane 31 all the time, and when ground cable worn between ground connection bullet arm 15 and ground connection plane 31, ground connection bullet arm 15 can extrude ground cable in ground connection plane 31, realizes the ground connection of connecting wire.
The shell connecting portion further comprises an installation arm 12 and a fixing portion 13, the fixing portion 13 is provided with a through hole, the shell 2 is provided with a fixing boss 22 and a shielding shell fixing groove 23, the fixing portion 13 is connected with the fixing boss 22 through the through hole, and the installation arm 12 is connected with the shielding shell fixing groove 23.
During assembly, the grounding terminal 3 is inserted into the grounding terminal mounting hole 21, and after the insertion, the grounding connection plane 31 penetrates out of the second grounding wire hole 24; the mounting arm 12 is fitted into the shield shell fixing groove 23, and the fixing portion 13 is bent (the fixing portion 13 is not a bent structure but a straight one before the shield metal shell 1 is connected to the housing 2, and is bent when it is necessary to connect to the fixing boss 22), so that the through hole of the fixing portion 13 is connected to the fixing boss 22, and the connection between the housing 2 and the shield metal shell 1 is completed. After the connection between the housing 2 and the shielding metal shell 1 is completed, the grounding elastic arm 15 is connected with the grounding connection plane 31, and the grounding elastic arm 15 always maintains a pretightening force to the grounding connection plane 31.
When the grounding operation is needed, the shielding layer and the outer insulating layer of the grounding wire are respectively cut open, the shielding layer is fixed by the tail wrapping circle 11, and the grounding of the shielding layer is completed; the grounding cable passes through the grounding terminal mounting hole 21 to the position between the grounding elastic arm 15 and the grounding connection plane 31, and the grounding wire is pressed by the grounding elastic arm 15 and the grounding connection plane 31, so that the grounding of the grounding wire can be completed. Through the operation, the double grounding operation of the shielding layer of the external cable 5 and the grounding wire can be completed, and the shielding layer and the grounding wire are simultaneously connected with the shielding metal shell 1.
The grounding device can simultaneously complete the grounding operation of the cable shielding layer and the grounding wire, and the grounding wire is arranged in the shielding layer, so that the size is smaller after the grounding is completed, and the grounding device is not limited by the size and the installation space.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a double ground electric connector, includes shielding metal casing (1), shell (2) and ground terminal (3), its characterized in that: the shielding metal shell (1) is provided with a cable shielding layer connecting part, a first grounding wire hole (14) and a shell connecting part for connecting the shell (2), the shell (2) is provided with a second grounding terminal mounting hole (21) and a second grounding wire hole (24), the grounding terminal (3) is provided with a grounding connecting plane (31), the grounding connecting plane (31) is connected with the second grounding wire hole (24), the grounding connecting plane (31) is used for connecting a grounding wire, the cable shielding layer connecting part is used for connecting a shielding layer of an external cable (5), and the grounding terminal mounting hole (21) is connected with the grounding terminal (3);
the cable shielding layer connecting part is a tail wrapping circle (11) arranged at the end part of the shielding metal shell (1);
the shielding metal shell (1) is further provided with a grounding elastic arm (15), and the grounding elastic arm (15) is connected with a grounding connection plane (31) and used for fixing a grounding wire to the grounding connection plane (31);
the shell connecting portion include installation arm (12) and fixed part (13), shell (2) are equipped with fixed boss (22) and shielding shell fixed slot (23), fixed boss (22) are connected in fixed part (13), shielding shell fixed slot (23) are connected in installation arm (12).
2. A double ground electrical connector according to claim 1, wherein: the tail wrapping circle (11) is further provided with a fixing hole (111), and the fixing hole (111) is connected with a locking device (4) used for locking the tail wrapping circle (11).
3. A double ground electrical connector according to claim 2, wherein: the locking device (4) is a plastic binding belt.
4. A double ground electrical connector according to claim 1, wherein: the fixing part (13) is provided with a through hole, and the through hole is connected with a fixing boss (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522105.8A CN109687232B (en) | 2018-12-13 | 2018-12-13 | Dual grounding electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522105.8A CN109687232B (en) | 2018-12-13 | 2018-12-13 | Dual grounding electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109687232A CN109687232A (en) | 2019-04-26 |
| CN109687232B true CN109687232B (en) | 2020-09-08 |
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ID=66187196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522105.8A Active CN109687232B (en) | 2018-12-13 | 2018-12-13 | Dual grounding electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109687232B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838447A (en) * | 2020-12-31 | 2021-05-25 | 杭州海康威视数字技术股份有限公司 | Cable structural part and electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203760766U (en) * | 2013-07-24 | 2014-08-06 | 南京南车浦镇城轨车辆有限责任公司 | Rectangular connector for electric cable shielding layer ground connection on subway vehicle |
| CN206532959U (en) * | 2016-12-08 | 2017-09-29 | 番禺得意精密电子工业有限公司 | Micro coaxial cable connector assembly |
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2018
- 2018-12-13 CN CN201811522105.8A patent/CN109687232B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109687232A (en) | 2019-04-26 |
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