CN113036542A - Outdoor power plug with shielding connection structure - Google Patents
Outdoor power plug with shielding connection structure Download PDFInfo
- Publication number
- CN113036542A CN113036542A CN202110133525.2A CN202110133525A CN113036542A CN 113036542 A CN113036542 A CN 113036542A CN 202110133525 A CN202110133525 A CN 202110133525A CN 113036542 A CN113036542 A CN 113036542A
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- Prior art keywords
- spring
- plug
- shell
- shielding
- triangular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 229920003023 plastic Polymers 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 208000025274 Lightning injury Diseases 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H01R13/6582—Shield structure with resilient means for engaging mating connector
- H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
- H01R13/6584—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members formed by conductive elastomeric members, e.g. flat gaskets or O-rings
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
An outdoor power plug with a shield connection structure, comprising: a housing; a shield spring; a tail housing; a triangular spring is fixedly clamped on the inner side wall of the middle part of the tail shell; when the power cable is installed at the rear end of the plug, the contact position of a cable conductor of the power cable and the conductive assembly is locked in place, and the triangular spring is tightly attached and wrapped outside the shielding layer of the power cable; when the front end of the plug is butted with the socket, the outer surface of the shielding spring is in close contact with the shell of the socket. The invention ensures that the whole power cable assembly circuit achieves the shielding effect and the whole circuit achieves the lightning stroke resistance effect by the reliable contact of the triangular spring and the shielding spring with the connector main body.
Description
Technical Field
The invention belongs to the technical field of electric connectors, and particularly relates to an outdoor power plug with a shielding connection structure.
Background
The electrical connector is widely used for connecting various devices, and the power connector provides energy support for various devices, and the communication base station device is one of the devices. The traditional power plug only has a current transmission structure and does not have a shielding function. The invention designs the plug capable of realizing the grounding of the shielding layer of the power cable, and the plug has the characteristics of high installation reliability and strong shielding and lightning stroke resistance performance; the plug has excellent compatibility aiming at the outer diameters of different power cables in a certain range, and has the advantages of simple and reliable structure and simple and rapid processing of the shielding layer of the power cable compared with the traditional mode of adopting a wire clamp and a screw locking shielding layer.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an outdoor power plug with a shielding connection structure, and the specific technical scheme is as follows:
the utility model provides a take shielded connection structure's outdoor power plug, the front end of plug is pegged graft with the socket of looks adaptation, the rear end of plug is pegged graft with the power cable of looks adaptation, the plug includes:
the inner side of the shell is axially provided with a conductive assembly, and the outer side of the shell is axially sleeved with a threaded sleeve;
the shielding spring is fixedly sleeved outside the front end of the shell;
the front end of the tail shell is axially screwed with the rear end of the threaded sleeve; a triangular spring is fixedly clamped on the inner side wall of the middle part of the tail shell; the outer part of the rear end of the tail shell is in threaded connection with a nut capable of axially rotating and moving, the rear end face of the tail shell is in butt joint with a plastic wire clamp, the plastic wire clamp and the nut are sealed through an O-shaped ring, a sealing ring is axially sleeved on the inner side of a cantilever at the tail part of the plastic wire clamp, and the inner diameter of the sealing ring is matched with the outer diameter of the power cable;
when the power cable is installed at the rear end of the plug, the contact position of a cable conductor of the power cable and the conductive assembly is locked in place, and the triangular spring is tightly attached and wrapped outside the shielding layer of the power cable; when the front end of the plug is butted with the socket, the outer surface of the shielding spring is in close contact with the shell of the socket.
Furthermore, the shielding spring is formed by winding a metal wire with electric conduction capability, and the cross section of the shielding spring is circular.
Furthermore, a groove is formed in the outer circumference of the front end of the shell, and the shielding spring is fixedly clamped in the groove.
Furthermore, the triangular spring is formed by winding a metal wire with electric conductivity, and the cross section of the triangular spring is triangular.
Furthermore, a trapezoidal slot is circumferentially arranged on the inner side wall of the middle part of the tail shell, and the triangular spring is fixedly clamped in the trapezoidal slot; when the triangular spring is arranged in the trapezoidal slot, the bottom edge of the triangular spring is in close contact with the bottom surface of the trapezoidal slot due to the tension of the triangular spring.
Furthermore, a chamfer structure is arranged on the outer side of the wire installing end of the trapezoid slot.
Further, both sides of the triangular spring are bevel edges, the angle of the included angle of both sides of the triangular spring is matched with the angle of the chamfer of both sides of the trapezoidal slot, and the contact position of the triangular spring and the shielding layer of the power cable is set to be in a circular arc structure.
Furthermore, the rear end face of the tail shell is butted with the plastic wire clip matched with the tail shell in a sawtooth shape.
The invention has the beneficial effects that:
1. according to the invention, the triangular spring and the shielding spring are reliably contacted with the connector main body, so that the whole power cable assembly circuit achieves the shielding effect, and the whole circuit can achieve the lightning stroke resistance effect;
2. compared with the traditional mode of locking the shielding layer by adopting the wire clamp and the screw, the invention has the advantages of simple and reliable structure and simple and rapid processing of the shielding layer of the power cable.
Drawings
FIG. 1 shows a schematic view of an outdoor power plug configuration of the present invention;
FIG. 2 is a schematic view of the shielded connection of the outdoor power plug of the present invention;
FIG. 3 shows a schematic structural view of the aft case of the present invention;
FIG. 4a shows a schematic view of the triangular spring structure of the present invention;
FIG. 4b is a schematic cross-sectional projection of the triangular spring of the present invention;
FIG. 5 shows a schematic of the housing construction of the present invention;
fig. 6 shows a schematic view of the structure of the shield spring of the present invention.
Shown in the figure: 1. a nut; 2. a plastic wire clamp; 3. a seal ring; 4. an O-shaped ring; 5. a triangular spring; 51. a bottom edge; 52. the included angle of the two sides is formed; 6. a tail housing; 61. slotting in a trapezoidal shape; 62. chamfering the two sides; 63. the outside of the wire installing end; 7. a shield spring; 8. a housing; 81. grooving; 82. a conductive assembly; 83. a threaded sleeve; 9. a socket; 10. a power cable; 101. a shielding layer; 102. a cable conductor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, an outdoor power plug with a shielding connection structure, a front end of the plug is plugged with a matched socket 9, a rear end of the plug is plugged with a matched power cable 10, and the plug comprises:
the shell 8 is provided with a conductive assembly 82 in the axial direction on the inner side of the shell 8, and a threaded sleeve 83 is sleeved on the outer side of the shell 8 in the axial direction;
the shielding spring 7 is fixedly sleeved outside the front end of the shell 8;
the front end of the tail shell 6 is axially screwed with the rear end of the threaded sleeve 83; a triangular spring 5 is fixedly clamped on the inner side wall of the middle part of the tail shell 6; the outer part of the rear end of the tail shell 6 is in threaded connection with a nut 1 capable of axially rotating and moving, the rear end face of the tail shell 6 is in butt joint with a plastic wire clamp 2, the plastic wire clamp 2 and the plastic wire clamp are sealed through an O-shaped ring 4, a sealing ring 3 is axially sleeved on the inner side of a cantilever at the tail part of the plastic wire clamp 2, and the inner diameter of the sealing ring 3 is matched with the outer diameter of the power cable 10;
when the power cable 10 is installed at the rear end of the plug, the contact position of the cable conductor 102 of the power cable 10 and the conductive member 82 is locked in place, and the triangular spring 5 is tightly attached to and covers the outside of the shielding layer 101 of the power cable 10; when the front end of the plug is butted with the socket 9, the outer surface of the shielding spring 7 is in close contact with the shell of the socket 9.
According to the technical scheme, the shielding function of the plug is realized through the triangular spring 5, the tail shell 6, the shell 8 and the shielding spring 7, the plug main body is made of metal and is approximately in a cylindrical structure, the power cable 10 is arranged in the plug main body, and the triangular spring 5 can be tightly wrapped outside the shielding layer 101 of the power cable 10, so that the power cable 10 and the plug achieve the shielding function; when the plug is in butt joint with the socket 9, the shielding spring 7 can reliably contact the shell 8 of the plug and the shell of the socket 9 at the same time, so that the shielding effect between the plug and the socket 9 is ensured, and the shielding effect of the whole circuit is achieved;
when the power cable 10 is installed, the nut 1 is screwed through threads, and the cantilever of the plastic wire clamp 2 compresses the opening of the sealing ring 3, so that the sealing ring 3 compresses the external insulating skin of the power cable 10, and the sealing and waterproof functions of the plug and the power cable end are realized; the plug can be used for replacing the sealing rings 3 with different inner diameters according to different specifications of the power cables 10 so as to adapt to the corresponding power cables 10.
As shown in fig. 6, the shielding spring 7 is made of a metal wire with a conductive ability by winding, and the cross section of the shielding spring is circular.
As shown in fig. 5, a slot 81 is circumferentially arranged on the outer portion of the front end of the housing 8, and the shielding spring 7 is fixedly clamped in the slot 81.
Through the technical scheme, the slots 81 limit the shielding springs 7 in the axial direction and the radial direction, so that the shielding springs 7 are prevented from floating in the axial direction and the radial direction in the butt joint process of the plug and the socket 9; it should be noted that the slot 81 may be a straight slot, a trapezoidal slot or a slot with other cross-sectional shapes, as long as the shielding spring can be well fixed, and the shielding effect of the product can be achieved.
As shown in fig. 4a and 4b, the triangular spring 5 is made of a metal wire with electric conductivity and is wound, and the cross section of the metal wire is triangular.
As shown in fig. 3, a trapezoidal slot 61 is circumferentially arranged on the inner side wall of the middle part of the tail housing 6, and the triangular spring 5 is fixedly clamped in the trapezoidal slot 61; when the triangular spring 5 is installed in the trapezoidal groove 61, the bottom 51 of the triangular spring 5 is in close contact with the bottom surface of the trapezoidal groove 61 due to the tension of the triangular spring 5.
As shown in FIG. 3, the wire-loading end outer side 63 of the trapezoidal slot 61 is provided with a chamfer structure.
Through the technical scheme, the wire installing end outer side 63 of the trapezoid slotting 61 is of a large-amplitude chamfering structure, and a guiding effect is provided during wire installation.
As shown in fig. 3, 4a and 4b, both sides of the triangular spring 5 are oblique sides, an angle of an included angle 52 between both sides of the triangular spring 5 matches with an angle of the chamfers 62 on both sides of the trapezoidal slot 61, and a contact portion between the triangular spring 5 and the shielding layer 101 of the power cable 10 is set to be in an arc structure.
Through the technical scheme, the arc structure can play a guiding role and prevent the sharp edge of the spring from scratching the cable shielding layer when the shielding layer 101 of the power cable 10 passes through.
As shown in fig. 2, the rear end face of the tail housing 6 is butted with the plastic wire clip 2 matched with the rear end face in a zigzag shape.
Through above-mentioned technical scheme, cooperate with sawtooth shape between plastics fastener 2 and the afterbody shell 6, can prevent that plastics fastener 2 from rotating in afterbody shell 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a take shielded connection structure's outdoor power plug, the front end of plug is pegged graft with socket (9) of looks adaptation, the rear end of plug is pegged graft with power cable (10) of looks adaptation, its characterized in that, the plug includes:
the electric conduction device comprises a shell (8), wherein a conductive assembly (82) is axially arranged on the inner side of the shell (8), and a threaded sleeve (83) is axially sleeved on the outer side of the shell (8);
the shielding spring (7) is fixedly sleeved outside the front end of the shell (8);
the front end of the tail shell (6) is axially screwed with the rear end of the threaded sleeve (83); a triangular spring (5) is fixedly clamped on the inner side wall of the middle part of the tail shell (6); the outer portion of the rear end of the tail shell (6) is in threaded connection with a nut (1) capable of axially rotating and moving, the rear end face of the tail shell (6) is in butt joint with a plastic wire clamp (2), the plastic wire clamp and the plastic wire clamp are sealed through an O-shaped ring (4), a sealing ring (3) is axially sleeved on the inner side of a cantilever at the tail portion of the plastic wire clamp (2), and the inner diameter of the sealing ring (3) is matched with the outer diameter of the power cable (10);
when the power cable (10) is installed at the rear end of the plug, the contact position of a cable conductor (102) of the power cable (10) and the conductive part (82) is locked in place, and the triangular spring (5) is tightly attached to and covers the outer part of a shielding layer (101) of the power cable (10); when the front end of the plug is butted with the socket (9), the outer surface of the shielding spring (7) is in close contact with the shell of the socket (9).
2. An outdoor power plug with a shield connecting structure according to claim 1, wherein: the shielding spring (7) is formed by winding a metal wire with electric conduction capability, and the cross section of the shielding spring is circular.
3. An outdoor power plug with a shield connecting structure according to claim 2, wherein: the outside circumference of the front end of shell (8) is provided with fluting (81), fluting (81) internal fixation joint has shield spring (7).
4. An outdoor power plug with a shield connecting structure according to claim 1, wherein: the triangular spring (5) is formed by winding a metal wire with electric conductivity, and the cross section of the triangular spring is triangular.
5. An outdoor power plug with a shield connecting structure according to claim 4, wherein: a trapezoidal open slot (61) is circumferentially arranged on the inner side wall of the middle part of the tail shell (6), and the triangular spring (5) is fixedly clamped in the trapezoidal open slot (61); when the triangular spring (5) is installed in the trapezoidal open groove (61), the bottom edge (51) of the triangular spring (5) is in close contact with the bottom surface of the trapezoidal open groove (61) due to the tension of the triangular spring (5).
6. An outdoor power plug with a shield connecting structure according to claim 5, wherein: and a chamfer structure is arranged on the outer side (63) of the wire installing end of the trapezoidal open groove (61).
7. An outdoor power plug with a shield connecting structure according to claim 6, wherein: the both sides of triangle spring (5) are the hypotenuse, the angle of the both sides contained angle (52) of triangle spring (5) with the angle phase-match of both sides chamfer (62) of trapezoidal fluting (61), just triangle spring (5) with the contact site of shielding layer (101) of power cable (10) sets to circular arc structure.
8. An outdoor power plug with a shield connecting structure according to claim 1, wherein: the rear end face of the tail shell (6) is butted with the plastic wire clip (2) matched with the tail shell in a sawtooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133525.2A CN113036542A (en) | 2021-02-01 | 2021-02-01 | Outdoor power plug with shielding connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110133525.2A CN113036542A (en) | 2021-02-01 | 2021-02-01 | Outdoor power plug with shielding connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113036542A true CN113036542A (en) | 2021-06-25 |
Family
ID=76460388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110133525.2A Pending CN113036542A (en) | 2021-02-01 | 2021-02-01 | Outdoor power plug with shielding connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113036542A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114901059A (en) * | 2022-07-14 | 2022-08-12 | 宁波速普电子有限公司 | Cable full-shielding component and assembly method |
| WO2023070400A1 (en) * | 2021-10-27 | 2023-05-04 | 深圳市凌科电气有限公司 | Connector with quick coupling and highly reliable shielding functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080254677A1 (en) * | 2007-04-14 | 2008-10-16 | Jeremy Amidon | Tightening Indicator For Coaxial Cable Connector |
| CN202405539U (en) * | 2011-10-26 | 2012-08-29 | 临沂市海纳电子有限公司 | Spring connected electromagnetic shielding connector housing |
| CN207116836U (en) * | 2017-07-11 | 2018-03-16 | 泰科电子(上海)有限公司 | Connector |
| CN207490219U (en) * | 2017-10-19 | 2018-06-12 | 陈赞辉 | An electrical connector plug |
| CN207910080U (en) * | 2018-02-27 | 2018-09-25 | 嘉兴市盛央电气有限公司 | Spring type antimagnetic wave metal cable joint |
| CN209448128U (en) * | 2019-03-06 | 2019-09-27 | 倍仕得电气科技（杭州）股份有限公司 | A kind of aviation plug cable fixture |
| CN110416784A (en) * | 2018-04-28 | 2019-11-05 | 比亚迪股份有限公司 | Electrical connector and vehicle having the same |
-
2021
- 2021-02-01 CN CN202110133525.2A patent/CN113036542A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080254677A1 (en) * | 2007-04-14 | 2008-10-16 | Jeremy Amidon | Tightening Indicator For Coaxial Cable Connector |
| CN202405539U (en) * | 2011-10-26 | 2012-08-29 | 临沂市海纳电子有限公司 | Spring connected electromagnetic shielding connector housing |
| CN207116836U (en) * | 2017-07-11 | 2018-03-16 | 泰科电子(上海)有限公司 | Connector |
| CN207490219U (en) * | 2017-10-19 | 2018-06-12 | 陈赞辉 | An electrical connector plug |
| CN207910080U (en) * | 2018-02-27 | 2018-09-25 | 嘉兴市盛央电气有限公司 | Spring type antimagnetic wave metal cable joint |
| CN110416784A (en) * | 2018-04-28 | 2019-11-05 | 比亚迪股份有限公司 | Electrical connector and vehicle having the same |
| CN209448128U (en) * | 2019-03-06 | 2019-09-27 | 倍仕得电气科技（杭州）股份有限公司 | A kind of aviation plug cable fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070400A1 (en) * | 2021-10-27 | 2023-05-04 | 深圳市凌科电气有限公司 | Connector with quick coupling and highly reliable shielding functions |
| CN114901059A (en) * | 2022-07-14 | 2022-08-12 | 宁波速普电子有限公司 | Cable full-shielding component and assembly method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |