WO2017181434A1 - Prise de courant de sécurité - Google Patents

Prise de courant de sécurité Download PDF

Info

Publication number
WO2017181434A1
WO2017181434A1 PCT/CN2016/080107 CN2016080107W WO2017181434A1 WO 2017181434 A1 WO2017181434 A1 WO 2017181434A1 CN 2016080107 W CN2016080107 W CN 2016080107W WO 2017181434 A1 WO2017181434 A1 WO 2017181434A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking piece
safety socket
elliptical cam
plug
positioning
Prior art date
Application number
PCT/CN2016/080107
Other languages
English (en)
Chinese (zh)
Inventor
董开郑
Original Assignee
豪仕泰实业(深圳)有限公司
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
Application filed by 豪仕泰实业(深圳)有限公司 filed Critical 豪仕泰实业(深圳)有限公司
Publication of WO2017181434A1 publication Critical patent/WO2017181434A1/fr

Links

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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Definitions

  • the present invention relates to the field of sockets, and in particular, to a safety socket.
  • a socket for use with the 1-15 and 5-15 type plugs of the US standard includes a housing and two symmetrically disposed socket copper pieces, the socket copper piece is fixedly mounted on the housing, and the front end is disposed on the housing Internally, the top end of the housing is provided with a jack corresponding to the front end thereof, and the plug of the plug is inserted through the jack into the front end of the copper piece of the plug socket; the tail end of the copper piece of the socket is disposed outside the casing for connecting the power line, etc. .
  • the plug and the socket are separated due to the pulling and shaking, and there is a safety hazard in use.
  • the main object of the present invention is to provide a safety socket that has a simple structure and reduces production costs.
  • the present invention provides a safety socket including a housing and two socket copper sheets, and further includes an elliptical cam, a transmission shaft, a locking piece, an elastic member and a positioning disposed in the housing.
  • the elliptical cam is disposed in the middle of two socket copper sheets
  • the transmission shaft extends through the sidewall of the housing and is fixedly coupled to the axial portion of the elliptical cam to drive the rotation of the elliptical cam;
  • the positioning shaft includes two, symmetrically disposed on two sides of the elliptical cam, and is fixed to the inner wall of the housing;
  • the locking piece includes two, symmetrically disposed on two sides of the elliptical cam, And respectively pivotally connected to the corresponding positioning shafts, and the opposite sides of the front ends of the two locking pieces are respectively provided with hooks;
  • the elastic member comprises two, symmetrically disposed on two sides of the elliptical cam, and disposed on opposite outer sides of the tail ends of the two locking pieces, one end of the elastic member is pressed into contact with the inner side wall of the casing, and One end is pressed to contact the outer side of the tail end of the corresponding locking piece; [0014] the two sides of the position where the socket copper piece is in contact with the plug insert are respectively provided with positioning slots corresponding to the circular holes on the plug insert;
  • the elliptical cam When the plug is inserted into the safety socket ⁇ , the elliptical cam is rotated by the transmission shaft, and the two long axis vertices of the elliptical cam respectively press the outer side of the tail end of the locking piece to the two sides to make the locking piece along the positioning axis Rotating, the tail end of the locking piece overcomes the elastic force of the elastic member, and the hook at the front end of the locking piece is inserted into the circular hole of the plug insert through the positioning groove on the copper piece of the socket to restrict the plug from being pulled out of the safety socket;
  • the shaft drives the elliptical cam to rotate, and the contact end of the elliptical cam and the locking piece is changed from the apex of the long axis to the apex of the short axis, and the elastic member presses the outer side of the tail end of the locking piece to rotate the locking piece along the positioning axis, the locking piece
  • the front end hook is pulled away from the round hole of the plug
  • a portion of the drive shaft located outside the housing is provided with a handle.
  • the free end of the transmission shaft is provided with an expansion chuck
  • the handle is provided with a mounting hole, and the handle is fixed on the transmission shaft through the mounting hole sleeved on the expansion chuck.
  • the outer side of the housing is provided with a limiting device that limits the rotation angle of the handle.
  • the limiting device is a baffle fixed on an outer sidewall of the housing
  • the handle includes a wrench portion, a block portion and a circular arc portion which are sequentially connected, and the circular arc portion is rotatably connected to the baffle along the drive shaft, and when one side of the block portion is parallel with the baffle plate, The baffle then continues to rotate in the direction of rotation.
  • the elastic member is a compression spring.
  • the locking piece includes a front end, a tail end and a turning portion
  • the front end and the rear end are connected by a turning portion, the turning portion is pivotally connected to the positioning shaft;
  • extension lines of the front end and the tail end intersect, and the angle toward the elliptical cam direction is an obtuse angle greater than 150 degrees.
  • the safety socket of the present invention through the rotation of the long axis and the short axis of the elliptical cam, simultaneously controls the hooks of the front ends of the two locking pieces to be inserted into the positioning groove of the corresponding socket copper piece and the circular hole on the plug insert , the plug is fixed on the socket, and the structure is simple and the production cost is lower than that of the prior art locking structure
  • 1 is a schematic exploded view of a safety socket according to an embodiment of the present invention
  • 2 is a schematic structural view of the locking piece of the present invention in the locked state ;
  • FIG. 3 is a schematic structural view of the locking piece of the present invention in an unfolded state
  • FIG. 4 is a schematic structural view of a safety socket of the present invention-embodiment
  • FIG. 5 is a schematic structural view of a transmission shaft and an elliptical cam according to the embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a handle of the present invention-embodiment
  • FIG. 7 is a schematic structural view of a locking piece of the present invention-embodiment
  • FIG. 8 is a schematic structural view of a socket copper piece according to the embodiment of the present invention.
  • a safety socket includes a housing and two socket copper sheets 20 , and further includes an elliptical cam 30 and a transmission shaft 40 disposed in the housing.
  • the core portion drives the rotation of the elliptical cam 30;
  • the positioning shaft 70 includes two, symmetrically disposed on both sides of the elliptical cam 30, and is fixed to the inner wall of the housing;
  • the locking piece 50 includes two, symmetrically disposed on the elliptical cam The two sides of the 30 are respectively pivotally connected to the corresponding positioning shafts 70.
  • the opposite sides of the front ends 51 of the two locking pieces 50 are respectively provided with hooks 511.
  • the elastic members 60 include two and are symmetrically disposed on the elliptical cams 30. Both sides of the elastic member 60 are pressed against the inner side wall of the housing, and the other end is pressed into contact with the corresponding locking piece 50. Outer end 52 outer; socket copper 20 with plug Two positioning slots 23 corresponding to the circular holes on the plug blades are respectively disposed on both sides of the contact position; referring to FIG.
  • the front end of the socket copper piece 20 is a clamping portion 21, and the clamping portion 21 is oppositely disposed with two copper clips for clamping the plug insert, and the positioning groove 23 is disposed at the clamping portion.
  • the positioning groove 23 is generally a strip-shaped through hole.
  • the clamping portion 21 is connected with a copper piece on a side perpendicular to the two copper clips.
  • the copper piece penetrates the bottom of the housing and is connected to the tail end 52 of the socket copper piece 20.
  • the tail end 52 is generally a U-shaped copper piece 22, which is convenient. Connect to the wire.
  • the socket copper piece 20 is provided with a positioning hole, and the positioning pin is disposed on the casing, and the socket copper piece is installed in the casing through the cooperation of the positioning hole and the positioning pin.
  • the elliptical cam 30 is disposed in the middle of the two socket copper sheets 20, generally disposed on a side close to the bottom of the housing, so as to leave the setting of the clamping portion 21 of the socket copper sheet 20, the elliptical cam 30 and the transmission shaft 40 is generally made of insulating material to improve the safety of use, such as made of hard plastic.
  • the positioning shaft 70 is pivotally connected to the locking piece 50, that is, corresponding to the fulcrum of the lever, so that the two ends of the locking piece 50 move in opposite directions, and the two positioning shafts 70 are generally disposed on opposite sides of the two socket copper pieces 20, respectively.
  • the outer side is the outer side of the opposite side of the two socket copper sheets 20.
  • the locking piece 50 is equivalent to the lever of the lever, and the front end 51 is provided with a hook 511, and then the movement of the trailing end 52 is controlled to control the movement of the hook 51 of the front end 51.
  • the elastic member 60 is a device for providing a restoring force of the locking piece 50.
  • the two elastic members 60 provide the locking piece 50 to return to the original position.
  • the restoring force causes the two locking pieces 50 to hold the elliptical cam 30 to prevent the elliptical cam 30 from rotating freely.
  • the portion of the transmission shaft 40 located outside the casing is provided with a handle 41.
  • the arrangement of the handle 41 can improve the convenience of the user, and the handle 41 can be a non-slip disk or a belt. A disc with a wrench, etc.
  • the free end of the transmission shaft 40 is provided with an expansion chuck 42
  • the handle 41 is provided with a mounting hole 414
  • the handle 41 is sleeved to expand through the mounting hole 414 .
  • the chuck 42 is fixed to the drive shaft 40.
  • the mounting hole 414 is generally a non-circular hole, such as a square hole.
  • the expansion head 42 generally includes an expansion head 422 and a slot 421 adapted to the mounting hole 414.
  • the outer side of the casing is provided with a limiting device for limiting the rotation angle of the handle 41, the limiting device is a baffle fixed on the outer side wall of the casing; the handle 41 includes a wrench connected in sequence a portion 413, a square portion 412 and a circular arc portion 411. The circular arc portion 411 is rotated along the transmission shaft 40 and is slidably coupled to the baffle.
  • the baffle When one side of the square portion 412 is parallel to the baffle, the baffle is limited.
  • the block portion 412 continues to rotate in the direction of rotation.
  • the chord length of the arc portion 411 is the same as the side length of the block portion 412 so that the side portions of the block portion 412 located on both sides of the arc portion 411 are in contact with the shutter, and the restriction handle 41 continues to rotate in the original rotation direction. It should be noted that when the handle 41 is restrained by the shutter, the two long axis vertices of the elliptical cam 30 are respectively in a state of pressing the locking piece 50.
  • the elastic member 60 is a compression spring, and in other embodiments, it may be a device such as a spring.
  • One side of the locking piece 50 corresponding to the compression spring is disposed on the protrusion 521, and the compression spring is inserted along the axis of the compression spring to prevent the compression spring from being displaced.
  • the locking piece 50 includes a front end 51, a tail end 52 and a turning portion 53.
  • the front end 51 and the tail end 52 are connected by a turning portion 53, and the turning portion 53 is pivotally connected to the positioning.
  • the shaft 70; the extension of the front end 51 and the trailing end 52 intersect, and the angle toward the elliptical cam 30 is an obtuse angle greater than 150 degrees.
  • the front end 51 can be inclined toward the socket copper piece 20, and the volume of the front end of the casing can be reduced.
  • the locking piece 50 is integrally formed and is convenient for production and installation, and is generally made of a material such as a copper piece or a stainless steel piece.
  • the housing generally includes an upper shell 11 and a lower shell 12 that are respectively covered with each other, and the upper shell 11 and the lower shell 12 are respectively provided with a rotation stop for restricting the elliptical cam 30, the locking piece 50, and the like.
  • the limiting member, the transmission shaft 40 is disposed through the lower casing 12, and the inner casing 11 is provided with a limiting groove corresponding to the elliptical cam 30, and the end of the limiting groove can also be provided with a circular groove, and the transmission shaft 40 can penetrate the elliptical shape
  • the cam 30 extends into the top of the circular groove and abuts against the bottom of the circular groove.
  • the safety socket is an American 5-15 type socket
  • the socket has three jacks, respectively a ground socket, and a socket of a neutral line and a fire line, and the ground socket is circular
  • the sockets of the neutral and live wires are generally rectangular and parallel to each other.
  • a socket copper piece 20 is respectively disposed inside the sockets of the neutral wire and the fire wire.
  • the casing of the 5-15 type socket includes an upper casing 11 and a lower casing 12, and the upper casing 11 and the lower casing 12 are covered with each other to form an accommodating space, and the socket copper piece 20, the elliptical cam 30, the locking piece 50, and the like are disposed in the accommodating space. component.
  • the upper casing 1 1 and the lower casing 12 are respectively provided with mounting holes of two positioning shafts 70, and the two ends of the positioning shaft 70 are respectively inserted and installed.
  • the positioning shaft 70 is pivotally connected with a locking piece 50.
  • the front end 51 of the locking piece 50 is provided with a hook 511, and the outer end of the tail end 52 is connected with a compression spring, and the two locking pieces 50 are connected between the inner ends of the tail ends 52.
  • An elliptical cam 30 is disposed.
  • the transmission shaft 40 connected to the elliptical cam 30 is disposed through the lower casing 12.
  • the end portion of the lower casing 12 is mounted with a handle 41. When the handle 41 is rotated, the handle 41 is driven by the transmission shaft 40.
  • the elliptical cam 30 rotates, and due to the change of the long and short axes of the elliptical cam 30, the locking piece 50 is squeezed and loosened, and the locking piece 50 can be driven by the compression spring and the elliptical cam 30 to drive the hook 511 to be inserted. Or withdrawing the circular hole of the positioning groove 23 and the plug insert, for example, when the two long axis vertices of the elliptical cam 30 respectively press the two locking pieces 50, the hook 511 is inserted into the positioning groove 23 and the plug insert In the circular hole, the plug and the socket are locked.
  • the hook 511 When the two short-axis vertices of the elliptical cam 30 are respectively pressed or opposed to the two locking pieces 50, the hook 511 is in a state of pulling out the circular hole of the plug insert, so that the safety socket is provided. It can be used like a conventional socket.
  • the safety socket of the embodiment is based on the two round holes that must be on the US plug insert in the NEMA standard, and the two round holes on the plug insert are hooked by the hook 511 on the locking piece 50.
  • the plug 50 is fixed to the socket and cannot be pulled out.
  • the hook 511 which controls the front end 51 of the two locking pieces 50 is inserted into the positioning groove 23 of the corresponding socket copper piece 20 and the circular hole on the plug insert, and the plug is locked.
  • Fixing on the socket; the safety socket of the embodiment when the plug ⁇ needs to be locked, only the handle 41 on the knob drive shaft 40 needs to be to the designated position. When the plug ⁇ is not required, the drive shaft 40 only needs to be locked.
  • the upper handle 41 can be used at another designated position as a conventional socket. Compared with the prior art locking structure, the structure is simple, the use is convenient, and the production cost is lower.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Selon l'invention, une prise de courant de sécurité comprend un boîtier et deux douilles en bande de cuivre (20), et elle comprend également une came ovale (30), un arbre de transmission (40), une plaque de verrouillage (50), un élément élastique (60) et un arbre de positionnement (70) disposés dans le boîtier; lorsqu'une fiche est insérée dans la prise de courant de sécurité, la came ovale est entraînée par l'arbre de transmission pour tourner, les deux sommets d'axe long de la came ovale compriment respectivement le côté externe d'une extrémité arrière (52) de la plaque de verrouillage de façon à permettre à la plaque de verrouillage de tourner le long de l'arbre de positionnement, l'extrémité arrière de la plaque de verrouillage surmonte la force élastique de l'élément élastique pour venir en prise, et un crochet (511) situé à l'extrémité avant (51) de la plaque de verrouillage passe à travers une rainure de positionnement (23) sur les douilles en bande de cuivre, et il est inséré dans un trou circulaire d'un panneau d'insertion de fiche de façon à empêcher la fiche de se débrancher de la prise de courant de sécurité; lorsque la came ovale est entraînée par l'arbre de transmission pour tourner, les extrémités de contact entre la came ovale et la plaque de verrouillage basculent des sommets d'axe long aux sommets d'axe court, l'élément élastique comprime le côté externe de l'extrémité arrière de la plaque de verrouillage pour permettre à la plaque de verrouillage de tourner le long de l'arbre de positionnement, le crochet à l'extrémité avant de la plaque de verrouillage est retiré du trou circulaire du panneau d'insertion de fiche et la fiche peut être librement débranchée de la prise de courant de sécurité. La prise de courant de sécurité de l'invention a une structure simple et un faible coût de fabrication.
PCT/CN2016/080107 2016-04-19 2016-04-25 Prise de courant de sécurité WO2017181434A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620328191.9 2016-04-19
CN201620328191.9U CN205583272U (zh) 2016-04-19 2016-04-19 安全插座

Publications (1)

Publication Number Publication Date
WO2017181434A1 true WO2017181434A1 (fr) 2017-10-26

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Application Number Title Priority Date Filing Date
PCT/CN2016/080107 WO2017181434A1 (fr) 2016-04-19 2016-04-25 Prise de courant de sécurité

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Country Link
CN (1) CN205583272U (fr)
WO (1) WO2017181434A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406276B (zh) * 2015-12-07 2018-01-30 宁波韵恒进出口有限公司 一种防脱插座
KR101970780B1 (ko) * 2017-04-13 2019-04-22 삼성디스플레이 주식회사 기판 처리 시스템 및 기판 반송 방법
CN108336533B (zh) * 2018-02-06 2019-05-07 宁波赛锋电子科技有限公司 一种新型插座
CN109301628B (zh) * 2018-10-16 2020-07-03 Oppo广东移动通信有限公司 插头
CN110943346B (zh) * 2019-11-08 2021-11-19 苏州佳世达光电有限公司 插座结构、电源接头及该电源接头的插拔连接方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201307644Y (zh) * 2008-11-10 2009-09-09 罗文博 防脱落插座
CN101714732A (zh) * 2009-09-30 2010-05-26 陈琦文 按压式电源插座
CN102354859A (zh) * 2011-08-12 2012-02-15 叶长青 防脱插座
CN105406276A (zh) * 2015-12-07 2016-03-16 宁波韵恒进出口有限公司 一种防脱插座

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201307644Y (zh) * 2008-11-10 2009-09-09 罗文博 防脱落插座
CN101714732A (zh) * 2009-09-30 2010-05-26 陈琦文 按压式电源插座
CN102354859A (zh) * 2011-08-12 2012-02-15 叶长青 防脱插座
CN105406276A (zh) * 2015-12-07 2016-03-16 宁波韵恒进出口有限公司 一种防脱插座

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