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CN111224257A - Electric shock prevention plug - Google Patents

Electric shock prevention plug Download PDF

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Publication number
CN111224257A
CN111224257A CN202010031747.9A CN202010031747A CN111224257A CN 111224257 A CN111224257 A CN 111224257A CN 202010031747 A CN202010031747 A CN 202010031747A CN 111224257 A CN111224257 A CN 111224257A
Authority
CN
China
Prior art keywords
electric
fixed
wall
shell
magnetic
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.)
Granted
Application number
CN202010031747.9A
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Chinese (zh)
Other versions
CN111224257B (en
Inventor
李建科
刘红亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Junbang Electric Appliance Industry Co ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN202010031747.9A priority Critical patent/CN111224257B/en
Publication of CN111224257A publication Critical patent/CN111224257A/en
Application granted granted Critical
Publication of CN111224257B publication Critical patent/CN111224257B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/04Pins or blades for co-operation with sockets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205Two-part coupling devices held in engagement by a magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/703Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses an electric shock prevention plug which comprises a shell, wherein two symmetrically arranged sockets penetrate through the side wall of the shell, the inner walls of the two sockets are connected with electric connection columns in a sliding mode, the side walls of the two electric connection columns are jointly fixed with an insulating ring, an iron block is fixed on the inner wall of the insulating ring, a magnetic isolation box is fixed on the inner wall of the shell, a manual control structure is arranged inside the magnetic isolation box, and a magnetic breaking plate is inserted at one end, close to the iron block, of the magnetic isolation box. Has the advantages that: when the plug switch-on, once press the briquetting through pressing fast for connect the electric pole and insert in the socket under connecting spring's elasticity effect, and make connect the electric piece with touch the electric piece and be connected, make with electric apparatus to gain electricity, keep the connected state under the magnetic force attraction of weak electromagnet simultaneously, make with electric apparatus circular telegram stable, whole insertion process user can't contact the electric pole, can not cause unexpected electric shock, also need not insert the plug hard simultaneously, it is convenient laborsaving to use.

Description

Electric shock prevention plug
Technical Field
The invention relates to the technical field of electric power facilities, in particular to an electric shock prevention plug.
Background
The plug is a plug, a plug and a socket for household AC power supply, and the plug is a female connector type power socket which has a bar-shaped or copper plate-shaped protruding male connector and is physically inserted into a slot or a concave hole.
The plug generally uses with the socket cooperation, accomplish the power supply to using electrical apparatus, after the plug stretches into the jack for using electrical apparatus, directly contact with the socket in, the metal reed of connecting the zero live wire, when the plug is participated in and is extracted or insert, user's finger is very easy to miss the electric connection post of touching the plug, at this moment, because participate in and zero live wire electrical contact, so probably arouse the electric shock accident, consequently present plug need pay attention to in addition when using, can not be fine prevent to electrocute, make user's personal safety can not be ensured.
Disclosure of Invention
The invention aims to solve the problem that the plug is easy to get an electric shock in the plugging process in the prior art, and provides an electric shock prevention plug.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an anti-electric shock plug, includes the shell, the lateral wall of shell runs through the socket of seting up two symmetries and setting up, two the equal sliding connection of inner wall of socket has the electrical connection post, two the lateral wall of electrical connection post is fixed with the insulating ring jointly, the inner wall of insulating ring is fixed with the iron plate, the inner wall of shell is fixed with separates the magnetism case, the inside that separates the magnetism case is equipped with the manual control structure, it inserts and is equipped with broken magnetic plate to separate the one end that the magnetism case is close to the iron plate, broken magnetic plate is connected with connecting spring jointly with the iron plate, two the lateral wall that connects the electrical connection post all is fixed with connects the electric piece, the inner wall of shell rotates through the torsional spring and is connected with the touch electric piece that two symmetries set up, one side inner.
In the vertical greening device for indoor decoration, the manual control structure comprises a return spring fixed at the bottom in the magnetic isolation box, a permanent magnet in sliding connection with the inner wall of the magnetic isolation box is fixed at the upper end of the return spring, a strong electromagnet is fixed at the upper end of the permanent magnet, and a pressing block penetrating through the magnetic isolation box and the side wall of the shell is fixed at the upper end of the strong electromagnet.
In the above vertical greening apparatus for indoor decoration, the magnetism isolating box is made of a nickel-iron alloy, and the magnetism breaking plate and the insulating ring are both made of hard plastics.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, when the plug is connected, the electric connecting column is inserted into the socket under the action of the elastic force of the connecting spring by quickly pressing the one-time pressing block, the electric connecting piece is connected with the electric contact piece, so that the electric appliance is powered on, and meanwhile, the electric appliance is kept in a connected state under the attraction of the magnetic force of the weak electromagnet, so that the electric appliance is powered on stably, a user cannot contact the electric connecting column in the whole insertion process, accidental electric shock cannot be caused, the plug does not need to be inserted forcibly, and the plug is convenient and labor-saving to use;
2. according to the invention, when the plug is pulled out, the strong electromagnet generates strong magnetic attraction to the iron block by pressing the pressing block once, so that the iron block drives the power connection pole to move out of the socket, and thus the electric appliance is powered off;
3. according to the electromagnetic shielding device, the strong electromagnet cannot attract the power connection post and the iron block in the shell by magnetic attraction when the electric appliance is normally electrified through the magnetic shielding characteristic of the magnetic shielding box, so that the whole device is stable in the using process, and the strong electromagnet can play an attraction role when moving to the position of the magnetic breaking plate through the arrangement of the magnetic breaking plate, so that the action position of the strong electromagnet is limited, and the on-off of a circuit is convenient to control;
4. according to the invention, when the current is increased due to reasons such as faults in the electric appliance circuit, the magnetic force of the weak electromagnet is instantly increased, so that the iron block drives the power connection pole and the power connection piece on the power connection pole to further move, and the power connection piece crosses the contact piece, so that the electric appliance is powered off, further damage to the electric appliance is effectively avoided, meanwhile, dangerous conditions such as fire disasters are avoided, and the use process of the electric appliance is safer and more reliable.
Drawings
Fig. 1 is a schematic structural view of an anti-electric shock plug according to the present invention;
fig. 2 is a schematic structural view of an anti-electric shock plug according to another embodiment of the present invention.
In the figure: the device comprises a shell 1, a jack 2, a power connection post 3, an insulating ring 4, an iron block 5, a magnetic isolation box 6, a broken magnetic plate 7, a connecting spring 8, a reset spring 9, a permanent magnet 10, a strong electromagnet 11, a pressing block 12, a weak electromagnet 13, a power connection piece 14 and a contact piece 15.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-2, an anti-electric shock plug, which comprises a housing 1, the lateral wall of housing 1 runs through the socket 2 of seting up two symmetries and setting up, the equal sliding connection of inner wall of two sockets 2 has electrical connection post 3, two electrical connection post 3's lateral wall is fixed with insulator ring 4 jointly, the inner wall of insulator ring 4 is fixed with iron plate 5, the inner wall of housing 1 is fixed with magnetism isolating box 6, magnetism isolating box 6's inside is equipped with the manual control structure, magnetism isolating box 6 is close to the one end of iron plate 5 and is inserted and be equipped with broken magnetic plate 7, broken magnetic plate 7 is connected with connecting spring 8 with iron plate 5 jointly, two electrical connection post 3's lateral wall all is fixed with electrical connection piece 14, the inner wall of housing 1 is connected with the electric contact piece 15 that two symmetries set up through the torsional spring rotation, one side inner wall that magnetism isolating.
The manual control structure is including fixing the reset spring 9 at the bottom in magnetism proof box 6, and reset spring 9's upper end is fixed with permanent magnet 10 with magnetism proof box 6 inner wall sliding connection, and permanent magnet 10's upper end is fixed with forceful electric magnet 11, and forceful electric magnet 11's upper end is fixed with the pressing block 12 that runs through magnetism proof box 6 and shell 1 lateral wall, presses pressing block 12 and uses rubber materials to make, presses easily and can not the fish tail user, and has insulating effect, avoids electrocuteeing.
Separate magnetism box 6 and use the ferronickel alloy to make, have good magnetic screen effect, can completely cut off strong electromagnet 11 magnetic force effect to external environment, guarantee the normal realization of device function, broken magnetic plate 7 and insulator ring 4 all use rigid plastic to make, insulator ring 4 only plays the connection effect, avoid causing two short circuits that connect electric post 3, broken magnetic plate 7's existence makes permanent magnet 10 and strong electromagnet 11 can produce magnetic force effect to the external world when broken magnetic plate 7 position.
According to the invention, when a plug and a socket are required to be connected, firstly, two electric connecting columns 3 are aligned to jacks on the socket, then, a pressing block 12 is pressed towards the inside of a magnetism isolating box 6, so that a permanent magnet 10 compresses a return spring 9 and moves downwards, the permanent magnet 10 crosses the position of a magnetism breaking plate 7, the permanent magnet 10 cannot generate enough attraction force on an iron block 5, the iron block 5 moves towards one end of a weak electromagnet 13 under the action of the elastic force of a connecting spring 8, and then the two electric connecting columns 3 are driven to move out of a shell 1 and move towards the inside of the socket, so that the plugging action is completed;
in the moving process of the power receiving post 3, the power receiving piece 14 is in contact with the electric contact piece 15, so that an electric appliance is powered on after the power receiving post 3 is inserted into the socket, the weak electromagnet 13 is powered on to generate magnetic force and attract the iron block 5, the power receiving piece 14 is kept in stable contact with the electric contact piece 15, after the pressing block 12 is quickly loosened, the permanent magnet 10 is reset under the action of the elastic force of the reset spring 9, meanwhile, the strong electromagnet 11 is staggered with the position of the magnetic breaking plate 7, in this state, the magnetic force of the permanent magnet 10 on the iron block is smaller than the elastic force of the weak electromagnet 13 and the connecting spring 8, so that the power receiving piece 14 is kept connected with the electric contact piece 15, the electric appliance is kept powered on, accidental electric shock in the plug inserting process is effectively avoided, and the plug is safer to;
when the plug needs to be pulled out of the socket, the pressing block 12 is pressed down to drive the permanent magnet 10 to move downwards, meanwhile, the strong electromagnet 11 moves downwards to the position of the magnetic breaking plate 7, due to the strong magnetism of the strong electromagnet 11, the iron block 5 moves towards one end of the magnetic isolation box 6 under the action of magnetic force, the electric connecting piece 14 is separated from the electric contact piece 15, the electric appliance is powered off, the weak electromagnet 13 and the strong electromagnet 11 are powered off, then the pressing block 12 is rapidly released, the permanent magnet 10 moves upwards under the action of the elastic force of the reset spring 9, the iron block 5 still moves towards the magnetic isolation box 6 within a short time when the permanent magnet 10 moves upwards, when the permanent magnet 10 is reset to the position of the magnetic breaking plate 7, the permanent magnet 5 continuously moves towards the position of the magnetic breaking plate 7 under the adsorption action of the permanent magnet 10, and finally, the electric connecting column 3 is separated from the socket and returns to the inside of the shell 1, so that the electric connecting column 3 is not connected with the internal circuit of, the plug is ensured to be not electrified and not easy to contact with a human body in the process of pulling out the plug, so that the electric shock phenomenon is effectively avoided;
when faults such as short circuit and the like occur in an internal circuit of an electric appliance, the power connection current of the power connection pole 3 is increased instantly, so that the magnetism of the weak electromagnet 13 is greatly enhanced, the iron block 5 moves towards one end of the weak electromagnet 13 under the action of magnetic force, the power connection piece 14 pushes the contact piece 15 to rotate, the power connection piece 14 crosses the position of the contact piece 15, the circuit of the electric appliance is broken, effective circuit protection is realized, continuous damage of the electric appliance is avoided, and the safety of a user is protected simultaneously, after the power failure, the magnetic force of the weak electromagnet 13 disappears, the iron block 5 rapidly moves towards one end of the magnetism isolating box 6 under the attraction of the permanent magnet 10, because the moving speed is high, the iron block 5 cannot be captured instantly when the power connection piece 14 contacts with the contact piece 15, so that the power connection pole 3 is separated from a socket and returns to the inside of the shell 1, and complete power failure is realized, meanwhile, the plug does not need to be pulled out manually, so that accidents are avoided.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (3)

1. The electric shock prevention plug comprises a shell (1) and is characterized in that a socket (2) which is symmetrically arranged is arranged on the side wall of the shell (1) in a penetrating mode, the inner wall of the socket (2) is connected with an electric connection column (3) in a sliding mode, an insulating ring (4) is jointly fixed on the side wall of the electric connection column (3), an iron block (5) is fixed on the inner wall of the insulating ring (4), a magnetism isolating box (6) is fixed on the inner wall of the shell (1), a manual control structure is arranged inside the magnetism isolating box (6), a magnetism breaking plate (7) is inserted at one end, close to the iron block (5), of the magnetism isolating box (6), the magnetism breaking plate (7) and the iron block (5) are jointly connected with a connecting spring (8), electric connection pieces (14) are fixedly arranged on the side walls of the electric connection columns (3), two electric shock prevention pieces (15) which are symmetrically arranged are rotatably connected on the inner wall of the shell (1) through a torsion, and a weak electromagnet (13) is fixed on the inner wall of one side of the shell (1) far away from the magnetism isolating box (6).
2. An electric shock protection plug according to claim 1, wherein the manual control structure comprises a return spring (9) fixed at the bottom in the magnetic isolation box (6), a permanent magnet (10) slidably connected with the inner wall of the magnetic isolation box (6) is fixed at the upper end of the return spring (9), a strong electromagnet (11) is fixed at the upper end of the permanent magnet (10), and a pressing block (12) penetrating through the magnetic isolation box (6) and the side wall of the housing (1) is fixed at the upper end of the strong electromagnet (11).
3. An electric shock protection plug according to claim 1, wherein the magnetic isolation box (6) is made of a nickel-iron alloy, and the magnetic breaker plate (7) and the insulating ring (4) are made of hard plastic.
CN202010031747.9A 2020-01-13 2020-01-13 Electric shock prevention plug Active CN111224257B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010031747.9A CN111224257B (en) 2020-01-13 2020-01-13 Electric shock prevention plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010031747.9A CN111224257B (en) 2020-01-13 2020-01-13 Electric shock prevention plug

Publications (2)

Publication Number Publication Date
CN111224257A true CN111224257A (en) 2020-06-02
CN111224257B CN111224257B (en) 2021-05-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111817079A (en) * 2020-08-08 2020-10-23 陈晶 Overheat and overcurrent protection plug
CN112821491A (en) * 2021-01-13 2021-05-18 宁波春禄信息科技有限公司 High cell-phone charger of security
CN113725665A (en) * 2021-07-20 2021-11-30 江苏海纳智光科技有限公司 Electric connector with automatic falling and separating functions

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293296A (en) * 1992-02-03 1994-03-08 Carl James C Ejecting outlet and adapter
CN2168348Y (en) * 1993-08-26 1994-06-08 夏喜信 Automatic pull-up power plug
CN2231825Y (en) * 1995-03-03 1996-07-24 徐建荣 Plug
CN202050089U (en) * 2011-05-13 2011-11-23 福建交通职业技术学院 Magnetic suction plug socket assembly
CN102386531A (en) * 2011-12-02 2012-03-21 河南省电力公司周口供电公司 Anti-shock plug and socket
CN204257886U (en) * 2014-10-19 2015-04-08 巨攀飞 A kind of electric equipment novel anti-shock plug
CN109142846A (en) * 2018-10-09 2019-01-04 郭超杰 A kind of voltage detecting circuit and its operating method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293296A (en) * 1992-02-03 1994-03-08 Carl James C Ejecting outlet and adapter
CN2168348Y (en) * 1993-08-26 1994-06-08 夏喜信 Automatic pull-up power plug
CN2231825Y (en) * 1995-03-03 1996-07-24 徐建荣 Plug
CN202050089U (en) * 2011-05-13 2011-11-23 福建交通职业技术学院 Magnetic suction plug socket assembly
CN102386531A (en) * 2011-12-02 2012-03-21 河南省电力公司周口供电公司 Anti-shock plug and socket
CN204257886U (en) * 2014-10-19 2015-04-08 巨攀飞 A kind of electric equipment novel anti-shock plug
CN109142846A (en) * 2018-10-09 2019-01-04 郭超杰 A kind of voltage detecting circuit and its operating method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111817079A (en) * 2020-08-08 2020-10-23 陈晶 Overheat and overcurrent protection plug
CN112821491A (en) * 2021-01-13 2021-05-18 宁波春禄信息科技有限公司 High cell-phone charger of security
CN113725665A (en) * 2021-07-20 2021-11-30 江苏海纳智光科技有限公司 Electric connector with automatic falling and separating functions

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Effective date of registration: 20210412

Address after: No. 401 and 402, floor 4, block 6, phase II, tianfulai international industrial city, No. 37, Changbao West Road, Rongli neighborhood committee, Ronggui street, Shunde District, Foshan City, Guangdong Province, 528300

Applicant after: Foshan Shunde Junbang Electric Appliance Industry Co.,Ltd.

Address before: New campus of Zhengzhou University, No.100, science Avenue, high tech Zone, Zhengzhou City, Henan Province

Applicant before: Li Jianke

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