WO2014082582A1 - 采用面接触的插头插座 - Google Patents

采用面接触的插头插座 Download PDF

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Publication number
WO2014082582A1
WO2014082582A1 PCT/CN2013/088015 CN2013088015W WO2014082582A1 WO 2014082582 A1 WO2014082582 A1 WO 2014082582A1 CN 2013088015 W CN2013088015 W CN 2013088015W WO 2014082582 A1 WO2014082582 A1 WO 2014082582A1
Authority
WO
WIPO (PCT)
Prior art keywords
socket
plug
contact
power switch
contact piece
Prior art date
Application number
PCT/CN2013/088015
Other languages
English (en)
French (fr)
Inventor
刘硕
刘忠宪
刘忠渝
Original Assignee
重庆富士特电控有限公司
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 重庆富士特电控有限公司 filed Critical 重庆富士特电控有限公司
Priority to US14/648,691 priority Critical patent/US9685742B2/en
Priority to ES13859041T priority patent/ES2721403T3/es
Priority to EP13859041.9A priority patent/EP2928023B1/en
Priority to KR1020157017507A priority patent/KR101796847B1/ko
Priority to JP2015544341A priority patent/JP6618361B2/ja
Priority to RU2015120703A priority patent/RU2658309C2/ru
Publication of WO2014082582A1 publication Critical patent/WO2014082582A1/zh

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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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/0013—Permanent magnet actuating reed switches characterised by the co-operation between reed switch and permanent magnet; Magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/002—Thermally-actuated switches combined with protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • 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
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
    • H01R13/7037—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling making use of a magnetically operated switch
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • 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
    • H01R13/6205—Two-part coupling devices held in engagement by a magnet
    • 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
    • H01R13/627—Snap or like fastening
    • H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
    • 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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/701—Structural association with built-in electrical component with built-in switch the switch being actuated by an accessory, e.g. cover, locking member
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/48—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/58—Contacts spaced along longitudinal axis of engagement

Definitions

  • the invention relates to the field of plug sockets for electrical appliances, in particular to relatively rotatable plug sockets.
  • the plug and socket has a close relationship with the contact resistance R between the contact pads of the plug and socket. If the contact resistance R at the contact piece of the plug socket is large, energy will be lost when a large current is passed, and the contact surface of the plug and socket will be heated. In severe cases, the plug socket, the lead wire and its supporting facilities may be damaged or even cause a fire; It will not work properly due to insufficient power supply, and it will cause serious equipment damage.
  • the contact resistance R has a close relationship with the contact area S and the pressure P of the contact surface of the plug and socket. The larger the contact area S, the larger the pressure P, the smaller the contact resistance R.
  • the contact resistance R of the existing plug and socket depends on the flatness and smoothness of the surface of the plug contact piece 1 and the flatness, smoothness and parallelism of the surface of the socket contact piece 1; and also depends on the plug contact piece 1 and the socket contact piece 2
  • the plug and the socket in an ideal state, wherein the plug contact piece 1 on the plug is perpendicular to the direction of the socket panel, is inserted into the socket contact piece 1 on the socket, and the square plug contacts the two side walls of the piece 1
  • the contact portion 2b of the socket contact piece 1 is sufficiently fitted to make surface contact between the plug contact piece 1 and the socket contact piece 2, thereby ensuring the current transmission effect.
  • the plug and the socket In the ideal state, the plug and the socket, the plug contact piece 1 is smoothly inserted into the socket contact piece 2 under the action of the guiding portion 2a, and the portion between the plug and the socket that actually transmits current is the plug contact piece 1
  • the side wall and the socket contact the contact portion 2b of the sheet 2, so in order to ensure the plug and the socket in an ideal state, the socket contact piece 2 is required to have high elasticity, so that the contact portion 2b can be closely attached to the side wall of the plug contact piece 1 to maintain
  • the transmission performance requires the socket contact piece 2 to have both high transmission performance and high elasticity at the contact portion 2b. Otherwise, the life or transmission performance of the socket contact piece 1 will be greatly reduced, and it is necessary to select a high performance.
  • Expensive alloy copper is used as the material of the socket contact piece 2, such as tin phosphor bronze, beryllium bronze, etc., but since the fixing portion 2c of the socket contact piece 2 only serves to fix and conduct electricity, it is not necessary to use an expensive alloy copper material, which causes a valuable Too much metal is wasted, making the cost increase.
  • the existing plug and socket due to the design of the contact portion 2b on the socket contact piece 2, in order to ensure better flexibility of the socket contact piece 2, a structure as shown in 2 is formed, and the socket contact piece is used during use.
  • a contact is formed, so that the contact area S is too small, the contact resistance R is large, and the current transmission capability is affected, which affects the electric appliance.
  • the contact area S between the plug contact piece 1 and the socket contact piece 1 is greatly reduced, thereby causing poor contact and causing current.
  • the socket contact piece 1 is deformed during long-term use, so that the plug contact piece 1 can only be in contact with the socket contact piece 2 on one side of the socket, although the surface contact can still be maintained, but the contact area S is relatively reduced. Half-small, causing poor contact, affecting the normal use of electrical appliances.
  • the plug contact piece 1 may be obliquely inserted into the socket, thereby causing mechanical distortion, and the plug contact piece 1 is inclined between the two socket contact pieces 2, so that the plug contacts the two sides of the piece 1 and the two sockets
  • the contact strips 2 respectively form a line contact, and the contact area S is also greatly reduced with respect to the ideal state, which reduces the current carrying capability.
  • the plug socket of the prior art wherein the plug contact piece 1 is cylindrical, the two socket contact pieces 2 are conical, and when the plug contact piece 1 is inserted into the two socket contact pieces 2, the plug contacts The sheet 1 is twisted so that the plug contact piece 1 is brought into line contact with a socket contact piece 2 to form a line contact with the other socket contact piece 1, and the structure can improve the defects of the structure of Fig. 1, but is relative to the ideal state.
  • the contact area S of the plug and socket is still greatly reduced, thereby affecting the current transmission capability.
  • the contact between the plug contact piece 1 and the socket contact piece 2 is also as shown in FIG. 1. In the above contact mode, the contact area S of the contact area S with respect to the ideal state is S.
  • FIG. 3 it is a type of universal socket which is widely used at present, wherein the contact area S of the plug contact piece 1 and the socket contact piece 2 has only one line, even only a few points, and the current passing through is slightly larger, Causes fever, ablation or even fire.
  • some sockets are formed in the shape of a groove with a middle groove.
  • the plugs of the two plugs are adapted, the wire contacts between the plug and the socket are made, so that the contact area of the plug and the socket is reduced, which causes a hidden danger. .
  • the existing plug and socket has the following drawbacks:
  • the two sides of the plug contact piece 1 need to communicate with the socket contact piece 2 to transmit current, the two sides of the plug contact piece 1 are charged when the current is transmitted.
  • the plug When the plug is inserted or the plug is pulled out to a certain position, the plug Some of the side surface of the contact piece 1 will be exposed on the surface of the socket, and if the finger touches the conductive copper piece, the electric shock will occur, and the safety is not good;
  • the lead wire is fixed on the plug, and the plug and the socket cannot be rotated relative to each other, so the direction of the lead wire on the plug is fixed, and at the same time, since the socket is generally fixed, when used The direction of the plug and the socket are not aligned.
  • the lead wire needs to be rotated, the lead wire is twisted and then the plug is inserted into the socket.
  • the joint between the lead wire and the plug is damaged, and the circuit is exposed to the outside, thereby causing danger.
  • the safety is not good; in the prior art, a relatively rotatable plug and socket, such as a plug socket in an electric heater kettle, is provided, as shown in FIG.
  • the contact area between the plug contact piece and the socket contact piece mentioned above is limited.
  • the length or width of the contact piece is increased, so that the contact area S is increased, resulting in a non-ferrous metal material.
  • the waste makes the cost increase.
  • the object of the present invention is to provide a plug and socket for a simple surface and a simple operation, which is in contact with the surface, so as to make contact between the contact pieces and make the plug and socket have the same volume.
  • the area is increased, the current transmission capacity is increased, the contact is always reliable, and the more the number of uses, the more reliable;
  • the contact electrode is made into a block or a ring structure, so that the plug can be rotated on the socket, so that the plug can be rotated freely, and the lead is not Cause distortion, increase its performance; contact film price Low-cost, conductive copper material, reduced material and reduced cost; a safety protection structure is installed in the socket, when the human hand can touch the contact electrode, the plug and socket is absolutely in a power-off state, and only the human hand can not touch at all.
  • an overcurrent protection structure is provided in the socket to make it have an overcurrent protection function. It can effectively prevent the heat from burning out the socket or even causing a fire during overcurrent transmission.
  • the plug and socket for surface contact of the present invention comprises plugs and sockets which are matched with each other, the lower surface of the plug is provided with a plug contact piece connected to the plug wire, and the upper surface of the socket is arranged with a socket contact with the socket wire.
  • a plug contact piece is disposed on the plug, the sheet-like plug contact piece is disposed on the lower surface of the plug, and is arranged according to the shape structure of the plug, and the socket wire is disposed on the upper surface of the socket a connected chip socket contact piece, wherein the plug can be matched with the socket shape and structure.
  • the face of the plug contact piece can be attached to the face of the socket contact piece, so that the present invention is different from the prior art.
  • the plug contact piece and the socket contact piece form a surface contact, which can be a planar contact, a bevel contact, a curved contact, a profiled surface contact, etc., thereby greatly increasing the contact area of the contact piece in the plug socket, thereby
  • the current transmission capability is increased, because the contact sheets are in surface contact in the vertical direction and the oblique direction, wherein the vertical direction refers to the direction of the central axis of the plug and the socket when the plug is opposite to the socket, and the oblique direction is relative In the oblique direction in the vertical direction, when the contact piece is worn for a long time, the contact piece
  • the surface contact mode still does not deform, but the closer the contact surface is, the more reliable the use is, so that the present invention can effectively solve the problem of poor contact between the contact pieces in the prior art.
  • Various adverse effects come.
  • the contact piece only needs to have good electrical conductivity, and does not need to have elasticity, so that the copper material with low cost and good conductivity can be
  • the socket is provided with a socket recess, wherein the lower portion of the plug and the cavity of the socket recess are respectively matched with upper and lower bosses and grooves.
  • the plug contact strip is disposed on a land surface of the plug and/or a slant side wall of the boss, the socket contact piece being disposed on the inner land and/or the inner side wall of the socket recess.
  • a socket recess can be provided on the socket, which can be used for inserting the plug, matching the plug and the socket, and providing a socket contact piece in the socket groove of the socket, wherein the socket contact piece is arranged in the socket groove a socket contact piece is disposed on the inner bottom surface, the inner oblique side wall, or the inner bottom surface and the inner oblique side wall, wherein the plug can be matched with the socket, and when the plug is inserted into the socket recess in the socket, the plug contacts the piece It can be attached to the socket contact piece, but the invention is different from the contact mode of the prior art contact piece, and the plug contact piece surface is from the vertical direction, the oblique direction, or both the vertical direction and the oblique direction.
  • the plug contact piece and the socket contact piece form a surface contact, thereby effectively increasing the contact area of the contact piece, thereby increasing the current transmission capability, since the contact piece is between Surface contact formed in the vertical direction and the oblique direction.
  • the contact piece is worn for a long time, the surface contact between the contact pieces remains Deformed, but will make closer the contact surface, the more the number, the more reliable use, of the present invention can effectively solve the prior art, the contact between each contact failure caused by various pieces of adverse effects.
  • the contact piece only needs to have good electrical conductivity, and does not need to have elasticity. Therefore, the copper material with low cost and good conductivity can be used, the material is reduced, and the cost is reduced.
  • the lower part of the plug is arranged as a boss with a large upper and a lower, and the cavity of the socket recess is a groove with a large upper and a lower, wherein the lower part of the plug and the groove of the socket are matched with each other, and the convex part at the lower part of the plug
  • the plug contact piece is disposed on the inclined surface of the table top, the inclined side wall of the boss or the convex table and the inclined side wall of the boss, and the arrangement position is selected according to actual needs, and similarly, in the inner table, the inner side wall or the inner side of the socket groove
  • a socket contact piece is disposed on both the table top and the inner side wall.
  • the plug on the lower boss surface of the plug contacts the one side and the socket
  • the socket contact surface on the inner surface of the slot is in the vertical direction (that is, the axial direction of the plug and the center line of the socket), and the plug contact piece on the oblique side wall of the lower boss of the plug and the oblique side wall of the socket recess
  • the upper plug contact pieces are attached to each other in the oblique direction, the contact area is greatly increased, the current transmission capability is increased, the contact is always reliable, and the more the number of uses, the more reliable.
  • the lower portion of the plug and the cavity of the socket recess have an inverted conical shape, an inverted truncated cone shape, an inverted hierarchical truncated cone shape or an inverted hierarchical truncated cone shape, and the plug contacts.
  • the sheets are evenly distributed on the lower surface of the plug, or are arranged in a concentric ring on the lower surface and/or the tapered surface of the plug, and the socket contact pieces are evenly arranged on the lower surface of the plug or in a manner of concentric rings.
  • the lower portion of the plug and the cavity of the socket recess can be configured in various configurations, such as an inverted conical shape, an inverted truncated cone shape, an inverted hierarchical truncated cone shape, or an inverted hierarchical truncated cone shape.
  • a variety of large and small structures can be set according to actual needs, and the plug contact piece can be selected according to the actual plug structure shape, or the structure or arrangement can be selected, for example, any geometric shape can be selected.
  • the chip plug contact pieces are all arranged on the lower bottom of the plug, and may be arranged on the same ring as a ring piece, or a sheet-shaped circular plug contact piece may be selected, arranged in a concentric ring manner on the lower surface of the plug, Cone surface or lower mesa and tapered surface, respectively, correspondingly, the socket contact piece can be selected according to the actual plug structure shape, or the arrangement or arrangement manner, for example, the chip socket contact piece of any geometric shape can be selected and the socket groove
  • the inner bottom portion may be arranged on the same ring as a ring piece, or a sheet-shaped circular socket contact piece may be selected, which is a square of a concentric ring.
  • the plug and socket which are in contact with the surface of the present invention have various shapes and configurations of plugs and sockets, and have wide application range, and can be arbitrarily selected as needed.
  • the contact electrode is formed into a ring block or a circular ring structure, so that the plug can be rotated on the socket, so that the plug can rotate at any angle with the convenience of use, and the lead wire is not arbitrarily twisted, thereby increasing the performance of the plug;
  • the plug and the socket of the present invention are provided with a surface-contacting plug and socket, and the plug and/or the socket are provided with a positioning fixing mechanism, an overcurrent protection mechanism and/or a power safety switch; wherein the positioning fixing mechanism enables relative rotation between the plug and the socket Without disengagement, keep the plug contact piece in contact with the surface of the socket contact piece; when the current in the plug socket is too large, the overcurrent protection mechanism automatically disconnects the power; wherein the power safety switch causes the plug to be plugged into the socket, the socket is energized, the plug The socket is powered off when it is not plugged into the socket or is not plugged in.
  • the present invention arranges the positioning and fixing mechanism, the overcurrent protection mechanism and the power safety switch in the plug socket, and can be arranged in the plug, or can be arranged in the socket, and can also be arranged in the plug socket.
  • the selection of the fixing mechanism, the overcurrent protection mechanism, and the power safety switch may be arranged in the plug socket in an alternative manner, or may be arranged in the plug socket in any combination, such as a positioning fixing mechanism and
  • the overcurrent protection mechanism cooperates with the positioning fixing mechanism and the power safety switch, the overcurrent protection mechanism and the power safety switch cooperate, and the positioning fixing mechanism, the overcurrent protection mechanism and the power safety switch cooperate;
  • the fixing mechanism can fix and fix the plug after being inserted into the socket, so that the two can not be detached arbitrarily, and at the same time, the plug and the socket can be relatively rotated, and the plug contact piece is kept in contact with the surface of the socket contact piece, Affecting the transmission of its large current, so that the plug can Rotating on the socket allows the plug to rotate at any angle
  • the overcurrent protection mechanism is mainly used for the safety protection of the plug and socket.
  • the overcurrent protection mechanism automatically disconnects the power supply, so that it has an overcurrent protection function, which can effectively avoid overcurrent.
  • the heat is burnt out during the transmission and even the fire occurs; wherein the power safety switch causes the socket to be energized when the plug is inserted into the socket, and the socket is in the power-off state when the plug is not inserted into the socket or is not inserted, so when the human hand can touch the contact electrode
  • the plug and socket are absolutely powered off. Only when the contact electrode is completely inaccessible to the human hand can it be energized. It is extremely safe to use.
  • the plug socket with the surface contact of the present invention is provided with a power switch moving contact and a power switch static contact in the socket, wherein the power switch moving contact is connected to the socket contact piece or the socket wire, and the power switch is static
  • the contact is correspondingly connected to the socket wire or the socket contact piece;
  • the power safety switch mainly moves the power switch moving contact under the action of the push button, and is electrically connected to the power switch static contact or separately powered off;
  • the overcurrent protection mechanism is mainly to separate the power switch moving contact from the power switch static contact when the current in the plug socket is too large.
  • the power switch moving contact and the power switch static contact are disposed in the socket, wherein the power switch moving contact and the power switch static contact can be respectively connected to the socket wire or the socket contact piece, that is, When the power switch moving contact is connected to the socket wire, the power switch static contact is connected to the socket contact piece, and when the power switch moving contact is connected to the socket contact piece, the power switch static contact is connected to the socket
  • the wire can be arbitrarily selected according to actual needs.
  • the power safety switch mainly can move the power switch moving contact when the plug is inserted into the socket, and between the power switch moving contact and the power switch static contact.
  • the electric current is connected to each other or disconnected from each other; wherein the overcurrent protection mechanism is mainly when the current in the plug and socket is too large, and the control power switch moving contact and the power switch static contact are separated from each other, thereby achieving Overcurrent protection function.
  • the push button is provided as an elastic plate, and the elastic plate is connected to the socket by a spring plate spring, and the power switch movable contact is disposed at the end of the elastic plate or the bullet
  • the power switch static contact is disposed in a moving direction of the power switch moving contact
  • the elastic board drives the power switch moving contact to move under the action of the control button, so that the power switch moving contact and the power switch
  • the end of the switch moving contact is moved to make it electrically connected or disconnected from the static contact of the power switch.
  • the push button that touches the movable switch of the power switch in the power safety switch can be a card key and a power switch moving contact arranged on the elastic plate arranged in the socket or the plug of the mutual matching relationship.
  • the elastic plate When the elastic plate moves, the elastic plate can drive the power switch to move the moving contact, so the bomb
  • the plate can be arranged at any position, and can move the elastic plate when it moves, and a power switch static contact is arranged beside the power switch moving contact, so that when the power switch moving contact moves, the power switch can be statically
  • the contacts are overlapped or separated, so that the power switch static contacts are disposed in the moving direction of the power switch moving contacts, and the movement of the spring plates in the present invention is controlled by the control keys.
  • the control button can mainly cooperate with the plug.
  • the control button can move the elastic plate to realize the power switch moving contact and the power switch static contact to be connected, and when the plug is pulled When the socket is out, the control button cancels the force on the spring plate, so that the spring plate returns to the original position under the action of the spring, so that the power switch moving contact is separated from the power switch static contact and the power is turned off. Effectively control the power supply of the socket, making the operation extremely easy and more convenient and reliable.
  • the card button When the push button is engaged with the snap button, the card button is disposed on the plug, and the button is disposed on the power switch movable contact, the card button and the button can cooperate with each other, when the plug is inserted into the socket, the plug The card key is inserted into the buckle button, and the card key moves the ends of the two power switch moving contacts to make the power switch moving contact and the power switch static contact turn on; when the plug is pulled out from the socket.
  • the plug drives the card key to be pulled out from the button, the ends of the two power switch moving contacts are moved by the spring or the rebounding component or the elasticity of the self, thereby being separated from the static contact of the power switch, Therefore, the power supply of the socket can be effectively controlled, the operation is extremely simple, and the use is more convenient and reliable.
  • the control button is configured as a push switch connected to the elastic plate and passing through the side wall of the socket; or the control button is a magnet disposed in the plug, and the magnet can be Suck the spring plate below the socket groove; or the handle
  • the key is a plug protrusion disposed at the bottom of the plug, and the end of the plug head can pass through the socket through hole at the bottom of the socket recess to abut the elastic plate below the socket through hole.
  • the control button for moving the elastic plate can be a push switch, a magnet or a plug nose, wherein the push switch can use a push switch or the like when the operator pushes the button on the push switch.
  • the push switch can push the elastic plate to move and at the same time restrict the elastic plate, so that it stays at a certain position stably, so that the power switch moving contact and the power switch static contact remain connected to the power, when operating
  • the switch can push the elastic plate to cancel the restriction on the elastic plate, and the elastic plate returns to the original position under the action of the spring spring, and the power switch and the power switch are in contact with the power switch.
  • the head keeps the power off separately.
  • the push switch has various ways, and is also used in other fields, such as a TV switch, a ballpoint pen spring switch, etc.
  • the control of the board can control the power supply of the socket and ensure the safe use of the socket.
  • the control button that can move the elastic plate can be a magnet, that is, a magnet is installed in the plug, and the elastic plate is required to be located under the socket groove, and the elastic plate can be magnetized or other material that can be attracted by the magnetic force of the magnet, when the plug is inserted into the When the socket is recessed, the elastic plate can move up under the action of the magnetic force of the elastic plate, thereby driving the power switch moving contact to be connected with the static contact of the power switch, and when the plug is pulled out from the socket groove, the elastic The plate is no longer attracted by the magnet, so that it can be restored to the original position under the action of the spring spring, thereby driving the power switch moving contact and the power switch static contact to be powered off separately, and the invention fully utilizes the magnetic performance and realizes the right
  • the control of the spring plate, so as to control the power supply of the socket, the same as the need, the plug can be provided with other materials that can be attracted by the magnetic force of the magnet.
  • the control button for moving the elastic plate is a plug protrusion disposed at the bottom of the plug, and the end of the plug protrusion can pass through the socket through hole at the bottom of the socket groove, and is opposite to the elastic plate below the socket through hole
  • the elastic plate is required to be disposed under the socket groove and below the through hole.
  • the overcurrent protection mechanism is mainly made of a power switch movable contact and/or a power switch static contact, which is made of a bimetal, wherein the bimetal includes a thermal expansion coefficient of the crucible.
  • the overcurrent protection mechanism is mainly a magnet disposed in the plug and/or the socket.
  • the overcurrent protection mechanism mainly uses the power switch moving contact and the power switch static contact, or the power switch moving contact, or the power switch static contact to be made of bimetal.
  • the bimetal includes a first metal piece and a second metal piece having different thermal expansion coefficients, that is, when the current passing through is too large, the overlapping portion of the power switch moving contact and the power switch static contact may be heated. Therefore, the bimetal is deformed by heat, wherein the two metal sheets expand, and one of the metal sheets expands more than the other metal sheet, that is, on the power switch moving contact and the power switch static contact.
  • the expansion amount of the metal piece facing the overlapping side is greater than the expansion amount of the metal piece facing away from the overlapping side, so that the power switch moving contact and the power switch static contact are separately powered off, thereby achieving overcurrent to the socket.
  • the protection function has an overcurrent protection function, which can effectively prevent the heat from burning out the socket or even causing a fire during overcurrent transmission.
  • the overcurrent protection mechanism mainly loses magnetism when the magnet is heated to reach the Curie point, and a magnet is arranged in the plug, the socket or in the plug and the socket. When the current in the plug socket is too large, the contact piece also generates heat. The heat is transferred to the magnet, causing the temperature of the magnet to rise.
  • the overcurrent protection mechanism When the temperature reaches the Curie point, the magnet loses its magnetism, and the suction force on the elastic plate below the socket groove is lost.
  • the elastic plate is elasticized by the spring of the spring. The action is restored to the original position, and at the same time, the elastic plate drives the movable switch of the power switch to move, and is separated from the static contact of the power switch; the above two overcurrent protection machines
  • the structure can be used alone or in combination, and can be selected according to actual needs.
  • the overcurrent protection mechanism also sets an insurance mechanism on the line in the socket or the plug according to the principle of the existing insurance.
  • the flow protection mechanism can be disposed in the plug or in the socket, and can be separately set in the plug and the socket, and selected according to actual needs.
  • the overcurrent protection mechanism can effectively prevent the heat from burning out the socket or even causing a fire during overcurrent transmission.
  • the positioning and fixing mechanism is composed of a magnet disposed in the plug and/or the socket, so that the plug and the socket are attracted to each other without being separated from each other and can be relatively rotated; or the positioning and fixing mechanism
  • the card key and the buckle button are matched by a card key provided on the plug or the socket, and the card key and the buckle key cooperate with each other, so that the plug and the socket are not separated from each other and can be relatively rotated; or the positioning
  • the fixing mechanism is formed by inserting the plug into the socket or screwing the plug outside the socket.
  • the positioning fixing mechanism can use a magnet to attract the plug and the socket without being separated from each other, and the plug and the socket can be relatively rotated, so the present invention is in the plug, the socket or the plug and the socket.
  • the magnets set in the person are selected as needed.
  • the positioning fixing mechanism can be provided with a matching card key and a buckle button on the plug and the socket, so that when the plug is inserted into the socket, the plug and the socket can be mutually engaged, and since the button only limits the card key in the longitudinal direction.
  • the plug and the buckle button can still rotate relative to each other, so that the plug and the socket can be relatively rotated without being separated, wherein when the card key is set on the plug, the buckle button is disposed in the socket When the card key is set on the socket, the button is disposed in the plug.
  • the plug When the plug is inserted into the socket, the card button and the button can cooperate with each other; wherein the card button and the button are various in structure, and the plug can be realized.
  • the plug can be rotated relative to the socket, and can be designed according to actual needs.
  • the positioning fixing mechanism is such that the plug is sleeved in the socket or the plug is sleeved outside the socket, so that the plug and the socket can be fixed to each other, and the plug and the socket can be rotated relative to each other, and the structure can be selected according to requirements, such as opening on the socket.
  • the slot is provided with a block on the plug. When the plug is sleeved in the socket, the plug setting block can be located in the slot, so that the plug and the socket can be relatively rotated; can be arbitrarily set as needed.
  • the card key is a telescopically movable card shaft disposed on the plug
  • the button is a clamping mechanism disposed under the through hole of the bottom socket in the socket recess
  • the clamping The mechanism is composed of a shaft head clamp disposed on the movable contact of the power switch, and the shaft head clamps on the movable contacts of the two power switches can cooperate with each other to clamp the end of the card shaft, wherein the power switch moving contact is set to be elastic
  • the metal piece is provided with a return spring, and a release clamp is disposed on the power switch movable contact, and a release pin that passes through the socket and can be telescopically moved is disposed above the release clamp, and the end of the release pin shaft
  • the card key is set as the card axis
  • the card shaft is disposed on the plug to be telescopically movable
  • the button is designed as a socket recess.
  • the clamping mechanism under the through hole of the bottom socket in the slot can fix and fix the plug socket by clamping the clamping shaft by the clamping mechanism, wherein the clamping mechanism is provided by the shaft clamping block disposed on the moving contact of the power switch
  • the shaft head clamps on the two power switch moving contacts can cooperate with each other to clamp the end of the card shaft, thereby realizing the fixing of the plug and the socket, and in order to realize the rebound of the power switch moving contact, the power source can be
  • the switch moving contact is set as an elastic metal piece, or a return spring is arranged on the power switch moving contact, so that the shaft head clamp always has a tendency to close, and at the same time, in order to realize the control of the card shaft, the power switch can be operated.
  • the release clip is arranged on the contact, and cooperates with the release pin shaft, and the end of the release pin shaft extends into the release clamp block, so that the ends of the two power switch movable contacts are opened and moved, Simultaneously with the power switch static contact being disconnected, the two-axis clamp block releases the clamping of the end of the card shaft, and the card shaft can be automatically restored to the original position, so that the socket is released to fix the plug;
  • the pin is disposed above the release block and passes through the socket and releases the pin It can be telescopically moved in a vertical manner, and when the release pin extends into the release clamp, it can be automatically restored to its original position.
  • the plug and socket with surface contact of the invention has the advantages of simple structure and simple operation, so that the contact between the contact pieces is in contact with the surface, so that the contact area is increased, the current transmission capacity is increased, and the contact is always reliable, and the contact is always reliable.
  • the plug and socket of the surface contact of the invention the contact electrode is formed into a ring block or a circular ring structure, so that the plug can be rotated on the socket, so that the plug can rotate at any angle with the convenience of use.
  • the lead wire is not arbitrarily twisted, and the use performance is increased; the contact piece is inexpensive, the conductive copper material is reduced, the material is reduced, and the cost is reduced; the plug and socket of the surface contact of the present invention is in the socket
  • the safety protection structure is set.
  • the plug socket is absolutely in a power-off state. Only when the contact electrode is completely unable to be touched by the human hand can the power supply be used, and the use is extremely safe, even if metal is inserted into the socket.
  • the surface contact plug of the present invention Seat, while the overcurrent protection set in the receptacle structure, so that over-current protection function, can effectively avoid burn through the heating socket fire occurs even when the streaming.
  • FIG. 1 is a schematic view of the prior art plug and socket;
  • FIG. 2 is a practical cross-sectional view of a conventional plug and socket;
  • FIG. 3 is a cross-sectional view of a conventional plug and socket;
  • FIG. 5 is a schematic structural view of a plug and a socket which are matched with each other;
  • FIG. 6 is a schematic structural view of the power switch in the present invention when the power switch is closed and opened;
  • FIG. 7 is a schematic view showing another structure of the power switch in the present invention.
  • FIG. 8 is another schematic structural view of the plug and the socket which are matched with each other;
  • FIG. 9 is another structural diagram of the plug and the socket which are matched with each other;
  • FIG. 10 is another schematic structural view of the plug and the socket which are matched with each other;
  • FIG. 12 is a schematic view showing another structure of the plug and the socket
  • FIG. 13 is another schematic diagram of the plug and the socket which are matched with each other
  • Fig. 15 and Fig. 16 are schematic diagrams showing another structure of the plug and the socket
  • Fig. 17 and Fig. 18 are mutual
  • FIG. 19 and FIG. 20 are another structural view of the plug and the socket
  • FIG. 21 is a bottom view of FIG. 15, FIG. 17, and FIG. A schematic diagram of another structure in which the power switch is turned on in the invention.
  • the Curie point referred to in the present invention means that the ferromagnetic substance is magnetized and has strong magnetic properties, but as the temperature increases, the intensification of the thermal motion of the metal lattice affects the ordered arrangement of the magnetic domain magnetic moments.
  • the magnetic domain When the temperature reaches a neat arrangement sufficient to destroy the magnetic moment of the magnetic domain, the magnetic domain is collapsed, the average magnetic moment becomes zero, the magnetic properties of the ferromagnetic material disappear into a paramagnetic substance, and a series of ferromagnetic substances associated with the magnetic domain (eg The high magnetic permeability, hysteresis loop, magnetostriction, etc. all disappear, and the magnetic permeability of the corresponding ferromagnetic substance is converted into the magnetic permeability of the paramagnetic substance, and the temperature corresponding to the disappearance of ferromagnet is Curie. Point temperature.
  • the plug 100 of the present invention includes a plug lower cover 101 and a plug upper cover 102, wherein the plug upper cover 102 has a circular outer shape, and a central portion of the plug upper cover 102 is provided with a protrusion.
  • the upper cover groove 111 is formed between the protrusion and the inner wall of the plug upper cover 102, and the upper cover groove 111 is formed in a circular shape.
  • the rectangular cover ring, the elliptical ring and the like can also be formed according to the structure of the plug lower cover 101.
  • the inner wall of the plug upper cover 102 can be sleeved on the outer wall of the plug upper cover 102.
  • the top of the plug upper cover 102 can be inside the upper cover recess 111.
  • the top of the plug upper cover 102 is provided with a concave structure to form a lower cover groove 112, the shape of the lower cover groove 112 being the same as the protrusion in the middle of the plug upper cover 102, the protrusion being in the lower cover groove 112
  • the inner side of the plug cover 102 is connected with a card shaft 104.
  • the card shaft 104 is sleeved with a plug spring 103.
  • the plug spring 103 is limited between the plug lower cover 101 and the plug upper cover 102.
  • the permanent magnet 109 is jacketed with a protective sleeve, and the plug upper cover 102 and the plug lower cover 101 are relatively moved.
  • the shaft head 105 on the end of the clamping shaft 104 extends out of the plug lower cover 101 for fixing with the plug lower cover 101.
  • the lower part of the plug lower cover 101 is an inverted circular boss, thereby forming a multi-stage stepped structure, and the plug contact piece 1 is separately provided on each of the circular boss surfaces, and if it is a three-line, it is selected according to actual needs.
  • the three-step stud is arranged such that the plug contact piece 1 is arranged on the three bosses, and the plug contact piece 1 is further connected to the plug wire 110 of the electric appliance; if it is two lines, the second step boss is selected , the plug contact piece 1 is arranged on both bosses, and so on, if it is four-wire or five-wire or multi-wire, it is designed as four bosses, five bosses or a plurality of bosses, and each The plug contact piece 1 is arranged on the boss surface, and is selected according to actual needs; at this time, looking up the bottom of the plug 100, the three plug contact pieces 1 form a concentric ring, wherein the first plug contact piece 108 is located at the innermost turn, and the third plug contact piece 106 is located at the outermost cymbal, and the second plug contact piece 107 is located in the middle.
  • the number of concentric rings formed according to the number of the plug contact pieces 1 can be known, wherein the plug contact piece 1 can be used with yellow Other
  • the socket 200 of the present invention includes a socket lower cover 201 and a socket upper cover 202, wherein the socket lower cover 201 and the socket upper cover 202 cooperate with each other to form a hollow body, and a socket recess 203 is provided at the top of the socket upper cover 202.
  • the socket recess 203 has an inverted multi-stage circular boss structure, so that the socket recess 203 forms a stepped structure, wherein the socket recess 203 can cooperate with the circular boss of the lower portion of the plug 100, so that the socket is concave.
  • Each of the bosses on the inner bottom of the slot 203 is provided with a socket contact piece 2, so that the socket contact piece 1 forms a concentric ring in the socket recess 203, and the number of the socket contact piece 1 and the actually selected two-wire and three-wire Four-wire, five-wire or multi-wire, and the number of the plug contact piece 1 on the plug 100 is the same, and the shape and structure are the same.
  • the three wires are taken as an example, respectively being the first socket located at the innermost side.
  • the plug contact piece 1 is engaged with the socket contact piece 2, so that energization can be achieved.
  • the power cable needs to be cut off.
  • the power switch moving contact 209 can be made of a material having elasticity or can be connected to the inner wall of the lower cover 201 by a spring, so that the two power switch moving contacts 209 are always maintained.
  • the other end of the power switch moving contact 209 can be electrically connected to the power switch static contact 210, wherein the power switch static contact 210 is fixed to the inner wall of the lower cover 201, and passes through The socket wire 205 is connected to the power source; a shaft head clamp 211 is disposed on one end of the power switch moving contact 209 near the power switch static contact 210, and the shaft head clamps 211 on the two power switch moving contacts 209 cooperate with each other.
  • the head clamp 211 can be used to clamp the card shaft 104, and the head clamp 211 can be attracted by the permanent magnet 10 at the end of the card shaft 104, thereby restraining the shaft head 105 and avoiding the movement of the card shaft 10, thereby being able to limit the plug 100 to the socket. 200, so that the shaft head clamp 211 is located just below the socket through hole 204 at the bottom of the socket recess 203, so that the shaft head 105 of the card shaft 10 can pass through the socket through hole 204, parallel to the lower surface of the shaft head clamp 211. , the shaft head clamp 211 can be clamped The rear end of the spindle head 105, and the permanent magnet 109 attracts, to avoid the card 10 continues to move the shaft.
  • a release clamp 217 is disposed on one end of the power switch moving contact 209 away from the power switch static contact 210, and the release clamps 217 on the two power switch moving contacts 209 can cooperate with each other for clamping the release pin
  • a variety of structures, such as a circular warhead or a tapered shape, facilitate the release of the shaft head 216 into the hole between the two release jaws 217. When the release pin 212 moves downward, the release shaft head 216 is inserted into the two release.
  • the two release clamps 217 can be separated, so that the two power switch moving contacts 209 are away from each other, and the release shaft 216 is sleeved with a release spring 216 and released at the rear end of the release shaft 216.
  • the pin 212 is provided with a positioning plate 215 which limits the release spring 216 between the tops of the upper cover 202 of the socket, and a release button 21 3 is provided on the top of the release pin 212 for easy operation.
  • the plug socket of the present invention when in use, aligns and inserts the lower bottom of the plug 100 into the socket recess 203, at this time acting on the top of the socket upper cover 202, and the socket upper cover 202 compresses the plug spring.
  • the lower end of the card shaft 104 is inserted into the socket through hole 204 at the bottom of the socket recess 203, and the clamping shaft head 105 at the lower end of the card shaft 104 penetrates below the shaft head clamping block 211, and the two shaft head clamping blocks 211 are clamped at this time.
  • the two-axis head clamp 211 is closed under the elastic action of the power switch moving contact 209, at this time, the plug contact piece 1 and the socket contact piece 1 are attached to each other, and Pressed between the lower portion of the plug 100 and the socket recess 203, the power switch moving contact 209 is overlapped with the power switch static contact 210 to be energized, and the plug 100 cannot move relative to the socket 200.
  • the plug 100 can not be detached from the socket 200, and the accident such as human electric shock can be avoided, and the safety of use can be ensured; when the plug 100 needs to be taken out from the socket 200, the force is applied to the release button 21 3, and the pin is released at this time.
  • the diameter is larger than the diameter of the hole between the two release clamps 217, so that when the release shaft head 216 is inserted into the hole between the two release clamps 217, the release clamp 217 can be abutted to both sides, thereby making the two
  • the ends of the power switch moving contacts 209 are respectively separated from the power switch static contacts 210, thereby breaking the power supply to the plug 100.
  • the plug socket of the present invention when there is a foreign matter on the inner bottom of the socket recess 203, the lower portion of the plug 100 cannot be aligned with the inner bottom of the socket recess 203, and the card shaft 104 is tilted at the end of the card shaft 104.
  • the rear end surface of the shaft head 105 cannot be moved to the lower surface of the shaft head clamp 211, so that the plug 100 cannot be locked, and the plug contact piece cannot be
  • the socket contact piece is completely fitted, and the power switch moving contact 209 and the power switch static contact 210 cannot be connected together to be energized, thereby ensuring safe use.
  • the plug and socket of the invention has the advantages of simple structure and simple operation, and uses the plane contact between the contact pieces, so that the contact area is increased, the current transmission capacity is increased, the contact is always reliable, and the number of uses is increased.
  • the more reliable the contact electrode is the contact electrode is made into a circular ring structure, so that the plug can be rotated on the socket, so that the plug can rotate at any angle with the convenience of use, and the lead wire is not arbitrarily twisted, thereby increasing the performance of the plug; ⁇ Use low-cost, conductive copper material, reduce material and reduce cost;
  • Set safety protection structure in the socket when the human hand can touch the contact electrode, the plug socket is absolutely powered off, only the human hand can not When the contact electrode is touched, it can be energized and it is extremely safe to use.
  • Embodiment 2 as shown in FIG. 8, this embodiment is similar to Embodiment 1, except that: the lower portion of the plug lower cover 101 is a flat surface, so that the plug contact piece 1 is disposed on the bottom surface of the plug lower cover 101, when When three wires are used, the three plug contact pieces 1 form a concentric ring structure with the center of the plug lower cover 101, wherein the first plug contact piece 108 is located at the innermost turn of the concentric ring, and the third plug contact piece 106 is located at the concentric ring.
  • the outermost jaw, the second plug contact piece 107 is located in the middle of the concentric ring, wherein the center of the bottom surface of the plug lower cover 101 is a through hole for the card shaft 104 to extend and retract.
  • the inner bottom of the socket recess 203 is a planar bottom recess having a socket through hole 204 therein.
  • the flat bottom recess can be fitted to the bottom surface of the plug lower cover 101, wherein the socket contact piece 1 is disposed in the socket recess 203.
  • the number of the socket contact piece 2 and the plug contact piece 1 are the same, the shape and structure are the same, when the three lines are used, respectively, the first socket located at the innermost side
  • Embodiment 3 as shown in FIG. 10 and FIG. 11, this embodiment is similar to Embodiment 2, except that: the plug contact piece 1 is disposed on the bottom surface of the plug lower cover 101, but the plug contact piece 1 on the bottom surface of the plug lower cover 101 is not a concentric ring arranged in a plurality of turns, but a plurality of plug contact pieces 1 are evenly distributed on the same ring, so that the plug contact piece 1 has a fan-shaped structure, in the same ring
  • the gap between the adjacent two plug contact pieces 1 is also a fan-shaped structure, that is, a fan-shaped protrusion 115 is formed, wherein the area of the protrusion 115 is the same as the area of the plug contact piece 1, and the three lines are used.
  • the three plug contact pieces 1 are evenly distributed on the same circumferential ring with the center of the plug lower cover 101, wherein the plug contact piece 1 is spaced apart by a boss 115 having the same area, and the center of the plug ring is the available card shaft 104. Through holes that extend and retract.
  • the socket contact piece 2 is evenly distributed on the inner circumference of the socket recess 203 at the center of the socket recess 203.
  • the number of the socket contact piece 1 and the plug contact piece 1 are the same, and the shape and structure are the same.
  • Embodiment 4 as shown in FIG. 9, this embodiment is similar to Embodiment 1 and Embodiment 2, and the difference is that: the lower part of the plug lower cover 101 is an inverted truncated cone structure, and the bottom surface of the truncated cone structure is a through hole for extending and retracting the card shaft 104, the plug contact piece 1 is obliquely arranged on the conical surface of the plug lower cover 101, and the oblique direction is the same as the conical surface of the plug lower cover 101; when the three wires are used, the power is transmitted.
  • the three plug contact pieces 1 form a concentric ring structure with the center of the plug lower cover 101, and the three plug contact pieces 1 are respectively distributed in the upper and lower directions in the vertical direction, wherein the first plug contact piece 108 is located in the concentric ring.
  • the innermost ridge that is, the lowermost layer in the vertical direction;
  • the third plug contact piece 106 is located at the outermost turn of the concentric ring, that is, the uppermost layer in the vertical direction;
  • the second plug contact piece 107 is located in the concentric ring
  • the middle ⁇ that is, the middle layer in the vertical direction.
  • the socket recess 203 is an inverted truncated cone recess, so that the lower sidewall of the plug lower cover 101 can be adhered to the sidewall of the socket recess 203.
  • the bottom of the socket recess 203 is a socket through hole 204 for facilitating the passage of the card shaft 104 therein, wherein the socket contact piece 1 is disposed on the sidewall of the socket recess 203, that is, disposed on the inclined conical surface,
  • the socket contact piece 1 has a concentric annular structure at the center of the socket recess 203.
  • the socket contact piece 1 and the plug contact piece 1 have the same number and the same shape and structure. When the three-wire power transmission is used, three concentric rings are formed.
  • the upper, middle and lower three-layer structure is formed in the vertical direction, wherein the first socket contact piece 208 is located at the innermost side of the concentric ring, that is, the lowermost layer in the vertical direction; the third socket contact piece 206 is located at the outermost side of the concentric ring, That is, the uppermost layer in the vertical direction; the second socket contact piece 207 is located between the first socket contact piece 208 and the third socket contact piece 206, that is, the intermediate layer in the vertical direction, when the plug 100 is used to the socket 200 Therefore, the three plug contact pieces 1 can be respectively matched with the three socket contact pieces 2 for power transmission.
  • the invention mainly changes the contact mode between the contact pieces, and the planar contact between the contact pieces makes the contact area increase, the current transmission capacity increases, and the contact is forever.
  • the contact electrode is made into a circular ring structure, so that the plug can be rotated on the socket, so that the plug can rotate at any angle with the convenience of use, and the lead is not arbitrarily twisted, which increases Use performance.
  • the contact piece is mainly installed on the contact surface between the plug 100 and the socket 200, that is, the plug contact piece 1 is disposed on the contact surface of the plug 100, and the socket contact piece 1 is disposed on the contact surface of the socket 200.
  • the contact surface between the plug 100 and the socket 200 can be in various structures, such as a cross section of the contact surface of the lower portion of the plug 100 and the socket recess 300 on the socket 200, which may be curved, rectangular, trapezoidal or the like.
  • the geometric shape is such that the lower portion of the plug 100 can be engaged with the socket recess 300, and the contact piece can form a surface contact at the junction of the two; the shape of the contact piece can also adopt various structural shapes, the above embodiment ⁇ With a plane concentric ring structure, of course, according to actual needs, the contact piece can be made into a non-planar other structure, such as a structure of a plurality of concentric rings having a curved cross section, a trapezoidal shape, a V shape, a U shape, and the like.
  • the plug 100 is provided with The protruding portion has a recessed portion on the socket 200.
  • the plug 100 can be formed into a recessed portion according to actual needs, and the socket 200 is formed as a protruding portion.
  • the fixing mechanism of the plug 100 and the socket 200 is a card.
  • the shaft 104 cooperates with the shaft clamp 211 to limit the plug 100 to the socket 200.
  • a plurality of manners such as snapping, threading, and reverse buckle can be used to make the plug 100 and the socket 200. Relatively fixed.
  • the above embodiments and examples can be used interchangeably or in combination to meet actual needs.
  • the plug of the present invention has an inverted truncated cone structure, and a plug boss 113 is disposed at the center of the bottom of the plug body, and the plug boss 113 has a cylindrical boss, so that The entire cross-section of the plug 100 has a "Y"-shaped configuration, and a plug contact piece 1 is disposed on the lower surface of the plug 100, that is, on the conical surface of the truncated cone, and is also disposed on the circumferential wall of the cylindrical plug projection 113.
  • plug contact piece 1 when the plug is energized by two wires, one plug contact piece 1 is arranged on the conical surface, and the other plug contact piece 1 is arranged on the circumferential wall of the cylindrical plug boss 113; when the plug is used with three wires
  • a plug contact piece 1 may be disposed on the conical lower surface of the plug 100, and two plug contact pieces 1 are disposed on the circumferential wall of the cylindrical plug boss 113, or on the conical lower surface of the plug 100.
  • Two plug contact pieces 1 are arranged, and a plug contact piece 1 is arranged on the circumferential wall of the cylindrical plug boss 113; in this example, when three wires are energized, two plugs are arranged on the conical lower surface of the plug 100.
  • the sheet 1 is a third plug contact piece 106 and a second plug contact piece 107, respectively, and has a concentric annular structure, wherein the third plug contact piece 106 is located at the outer cymbal, and the second plug contact piece 107 is located at the inner cymbal, in the vertical In the straight direction, the third plug contact piece 106 is located above and above, and the second plug contact piece 107 is located below, while a plug contact piece 1 is disposed on the circumferential wall of the cylindrical plug boss 113, that is, the first plug contact piece 108 is wrapped in the circumferential surface of the plug protrusion 113, wherein the first plug contact piece 108, the second plug contact piece 107 and the third plug contact piece 106 are respectively connected to the electric appliance through the plug wire 110;
  • the number of the layouts may be selected on the conical lower surface of the plug 100 or the circumferential wall of the cylindrical plug boss 113 according to actual needs, and may be arranged arbitrarily.
  • the square plug boss 113 is provided with a ring groove 114 for facilitating cooperation with the spring block 220 to restrict the plug 100 from falling off; the ring groove 114 is circumferentially centered on the center of the plug head 113 On the wall, the plug head 113 has a ball-shaped or conical shaft head 105 at the end, which facilitates the insertion of the plug boss 113 into the socket 200.
  • a socket recess 203 is disposed at the top of the socket 200, and a socket through hole 204 is disposed at the center of the inner bottom of the socket recess 203.
  • the socket recess 203 is an inverted truncated cone groove, and the plug The lower surface of the truncated cone shape of 100 is fitted, and the socket through hole 204 is a cylindrical through hole; wherein the socket contact piece 2 is disposed on the inner side wall of the truncated cone shaped socket recess 203, and the socket is disposed on the inner side wall of the socket through hole 204
  • the contact piece 2 when the socket 200 is energized by two wires, the socket contact piece 2 may be disposed on the inner side wall of the socket recess 203 and the inner side wall of the socket through hole 204 respectively.
  • the socket When the socket 200 is energized by the three wires, the socket may be recessed. Two socket contact pieces 2 are arranged on the inner side wall of the slot 203, and a socket contact piece 2 is arranged on the inner side wall of the socket through hole 204, or a socket contact piece 2 is arranged on the inner side wall of the socket recess 203, and the socket is connected to the socket. Two socket contact pieces 2 are arranged on the inner side wall of the hole 204, and can be arranged according to actual needs. In this example, three wires are energized, and two holes are arranged on the inner side wall of the socket groove 203.
  • the socket contact pieces 2 are respectively a third socket contact piece 206 and a second socket contact piece 207, and are arranged in a concentric ring, the third socket contact piece 206 is located at the outer casing, and the second socket contact piece 207 is located at the inner side, In the vertical direction, the third socket contact piece 206 is located above, the second socket contact piece 207 is located below, and the first socket contact piece 208 is disposed on the inner wall of the socket through hole 204; when the socket 200 is used with four or more lines When the power is turned on, the number of the layouts may be selected on the inner side wall of the socket recess 203 of the socket 200 or the circumferential wall of the socket through hole 204 according to actual needs, and may be arbitrarily arranged.
  • a spring block 220 is disposed under the first socket contact piece 208 of the inner side wall of the socket through hole 204.
  • the spring block 220 exposes the socket through hole 204 under the elastic force of the spring, and the spring block 220 can be combined with the circle on the plug protrusion 113.
  • the ring groove 114 is engaged, and an elastic plate 218 is disposed below the socket through hole 204.
  • the elastic plate spring 219 is disposed below the elastic plate 218, and is connected to the inner bottom of the socket 200 through the elastic spring 219, and the elastic spring 219 gives The spring plate 218 is always elastic upward.
  • a power switch moving contact 209 is disposed at the end of the elastic plate 218, a power switch moving contact 209 is disposed.
  • a power switch static contact 210 is disposed, and the power switch static contact 210 is fixed to On the socket 200, the power switch static contact 210 is connected to the power source through the socket wire 205, and the power switch static contact 210 is connected to the socket contact piece 1 through the socket wire 205.
  • the socket 200 is used, and the three wires are used. When energized, the two socket contact pieces 1 in the socket 200 are connected to the power switch static contact 210 through the socket wire 205, and the other socket contact piece 1 is directly passed through the socket wire.
  • the power switch moving contact 209 and the power switch static contact 210 are normally open, so that the power of the socket can be controlled by controlling the contact between the power switch moving contact 209 and the power switch static contact 210. Otherwise, it functions as a power-on protection, and a water-passing hole 221 is provided in the inner bottom of the socket 200 to facilitate draining water in the socket 200.
  • the power switch moving contact 209 can be made of a bimetal 300, that is, it can be made of two layers of metal sheets that can be energized, including the first metal piece 301 and the second metal piece 302, two layers of metal.
  • the sheets are respectively made of two materials having different coefficients of thermal expansion, and the two layers of metal sheets are deformed when heated, and the amount of deformation of the two layers of metal sheets is different due to the difference in the thermal expansion system, so the present invention designs the principle to In the socket, when the current passing through the power switch moving contact 209 is too large, when the predetermined amperage is exceeded, the power switch moving contact 209 is heated to a certain extent, and deformation occurs, and the lower metal piece of the bimetal 300 is opposite to the upper metal.
  • the expansion deformation of the sheet is large, so that the connection between the power switch moving contact 209 and the power switch static contact 210 is bounced, thereby realizing overload protection, thereby effectively preventing the heat from burning out the socket or even causing a fire during overcurrent transmission.
  • the plug socket of this example when the plug is needed, the plug 100 is aligned with the socket recess 203 on the socket 200, and the plug boss 113 is inserted into the socket through hole 204, so that the plug on the lower surface of the plug 100 contacts the tab 1 and the socket.
  • the socket contact piece 1 at the bottom of the recess 203 is fitted, the shaft head 105 of the plug boss 113 is continuously moved downward by the two spring blocks 220, and the spring block 220 compresses the spring thereon, and when the plug boss 113 continues to move down,
  • the spring block 220 When the spring block 220 is aligned with the annular groove 114, the spring block 220 enters the annular groove 114 under the action of the spring connected thereto, and snaps into the annular groove 114 to clamp the plug protrusion 113, thereby avoiding the plug 100 from Insert
  • the socket 200 is detached; during the downward movement of the plug protrusion 113, the end of the plug protrusion 113 first contacts the elastic plate 218, and acts on the elastic plate 218, and the elastic plate 218 moves down the compression spring spring 219, and the elastic plate 218
  • the power switch moving contact 209 on the end is connected to the power switch static contact 210 to realize the power supply of the socket 200.
  • the elastic plate 218 When the plug 100 is pulled out from the socket 200, the elastic plate 218 is under the action of the spring spring 219. The elastic plate 218 is returned to the original position, and the connection relationship between the power switch moving contact 209 and the power switch static contact 210 is separated to maintain the normally open state, so when the socket 200 is not in use, the socket contact piece 1 in the socket 200 It is unpowered. When the human hand can touch the contact electrode (that is, the socket contact piece 2), the plug socket is absolutely powered off.
  • the plug of the present invention has an inverted truncated cone structure at its lower portion, and a plug contact piece 1 is disposed on the lower surface of the plug 100, and the plug contact piece 1 surrounds the plug 100, and
  • the lower surface of the plug 100 forms a concentric annular structure, and the plug contact piece 1 can be disposed on the conical surface of the truncated cone or on the truncated cone. According to the need, when the two wires are energized, a plug contact piece 1 is set. On the conical surface, the other plug contact piece 1 is disposed on the conical surface, that is, on the lower bottom surface of the plug 100.
  • the first plug contact piece 108 When the three wires are energized, the first plug contact piece 108 may be disposed on the conical surface, and the conical surface is provided on the conical surface.
  • the third plug contact piece 106 and the second plug contact piece 107 are arranged concentrically, and are arranged in a similar manner to the above embodiment, and at the same time, a magnet 116 is disposed at a gap between the three plug contact pieces 1.
  • the three plug contact pieces 1 are connected to the electrical appliance via a plug wire 110. When four or more lines are used, any arrangement can be made according to the above embodiment.
  • the socket 200 of the present invention is provided with a socket recess 203 at the top thereof, the socket recess 203 is an inverted truncated cone-shaped recess, and a socket contact piece 2 is disposed on the tapered surface of the socket recess 203 at the socket recess 203.
  • the socket bottom contact piece 2 can also be disposed on the inner bottom portion.
  • the concentric rings are arranged, and a magnet can be disposed in the gap between the socket contact pieces 2, so that the plug 100 is disposed. The magnets are attracted to the magnets in the socket recess 203 to prevent the plug 100 from coming off the socket 200.
  • three socket contact pieces 2 are selected in the embodiment, and the tapered surface of the socket recess 203 is disposed.
  • the two socket contact pieces 2 are arranged in a concentric ring shape, and a circular chip-shaped socket contact piece 2 is disposed at the center of the inner bottom of the socket recess 203, and the plug 100 is inserted into the socket recess 203 of the socket 200. At this time, the plug contact piece 1 can be brought into contact with the socket contact piece 2 to transmit power.
  • a spring plate 218 is connected to the socket 100 via a spring plate spring 119.
  • the spring plate spring 119 is a compression spring.
  • the spring plate spring 219 always has an elastic force so that the spring plate 218 always abuts against the edge or bottom of the socket 200.
  • a power switch moving contact 209 is disposed at an end of the 218, and two power switch moving contacts 209 are respectively connected to the power source through the socket wire 205, and a power switch static contact 210 is disposed beside the power switch moving contact 209, two The power switch static contacts 210 are respectively connected to the two socket contact pieces 2 on the socket, and the slide plate pusher switch 222 is disposed on the elastic plate 218.
  • the slide type push switch 111 is disposed on the side of the socket 200. On the wall, the principle of the sliding push switch 111 is similar to that of the compression spring type ballpoint pen, that is, a cylindrical bump is installed in the center of the elastic plate 218, the bump is sleeved in the button key, and the button key is slipped.
  • the sleeve is threaded out of the socket 200, wherein the sliding sleeve is fixed on the side wall of the socket 200, the inner side wall of the sliding sleeve is provided with a guiding groove, and the outer side wall of the button button is provided with a guiding tooth, and the button button is The end surface is provided with a toothed structure, The end surface of the button button is matched with a guiding block, and the outer wall of the guiding block is provided with a tooth structure matching with the end surface of the button key, and the guiding block is sleeved on the cylindrical protrusion.
  • the button button When the button button is pressed, the button button acts on the guide groove in the sliding sleeve, and the tooth-shaped structure on the end surface of the button button cooperates with the tooth-shaped structure on the outer wall of the guiding block to push the guiding block to move, and the guiding block re-force
  • the elastic plate 218 On the cylindrical protrusion, the elastic plate 218 is moved away from the side wall of the socket 200, so that the power switch moving contact 209 at both ends of the elastic plate 218 is in close contact with the power switch static contact 210.
  • the elastic plate The 218 When the button is released, the elastic plate The 218 is folded under the action of the spring spring 219, and is approached toward the side wall of the socket 200, and simultaneously drives the cylindrical projection on the elastic plate 218, and the toothed structure and guide of the button key end face are matched.
  • the toothed structure on the outer wall of the block cooperates to move the button key, the button key is restricted by the side wall of the socket 200, and the tooth shape on the side of the cylindrical bump is restricted by the tooth shape of the end face of the button key, thereby making the elastic plate 218 no longer moves, so that the power switch moving contact 209 and the power switch static contact 210 are energized.
  • the button button pushes the guide block to move by the toothed structure on the end face thereof, and the guide block pushes the cylindrical protrusion on the elastic plate 218 to move the elastic plate 218, when the button is released.
  • the elastic plate 218 is moved by the tension of the spring spring 219, it moves toward the side wall of the socket 200, and the guide key on the outer wall of the cylindrical protrusion slides in the guide groove to return the elastic plate 218 to the original position. Therefore, the power switch moving contact 209 is separated from the power switch static contact 210 to be powered off. Therefore, the sliding push switch 222 can be used to realize whether the electrode in the socket is energized or not, so when the button button is not pressed.
  • the socket contact piece 1 in the socket 200 is uncharged.
  • the plug socket is absolutely in a power-off state, and only when the contact electrode is completely inaccessible to the human hand It can be energized and used extremely safely. Even if metal is inserted into the socket contact piece 2 in the socket, there will be no short circuit or electric shock; at the same time, an overcurrent protection structure can be set in the socket.
  • the bimetal of the power switch moving contact 209 in Embodiment 5 can be used to realize the protection during overcurrent; on the other hand, according to the principle of losing the magnetic force when the magnet is at the Curie point, when designing the socket, according to the actual situation It is necessary to select the Curie point of the magnet 116 on the plug 100.
  • the plug contact piece 1 on the plug 100 and the socket contact piece 1 on the socket 200 are heated to each other, thereby making the plug contact.
  • the magnet 116 between the sheets 1 is heated.
  • the Curie point of the magnet 116 When the temperature reaches a certain level, the Curie point of the magnet 116 is reached, so that the magnet 116 loses its magnetism, thereby causing the plug 100 to fall out of the socket 200, thereby achieving overcurrent protection of the socket 200. It has an overcurrent protection function, which can effectively prevent the heat from burning out the socket or even causing a fire during overcurrent transmission.
  • a water hole 221 can be provided at the bottom of the socket 200.
  • the socket of the present invention is similar to the socket 200 of Embodiment 6, except that: on the side wall of the socket 200, a bistable push switch 223 is provided, which is bistable The push switch 223 is connected to the elastic plate 218.
  • the bistable push switch 223 includes a button button and a slide slot plate.
  • the slide slot plate is mounted on the elastic plate 218, and the slide plate is provided with a slide plate.
  • the rail groove is a slanted heart-shaped structure
  • a slider is connected to the button button, and a spring is connected in four directions of the slider to be placed at the center of the four springs, when the button button is pressed
  • the slider can move in the sliding slot, thereby pushing the elastic plate 218 to move through the sliding slot plate, so that the power switch moving contact 209 and the power switch static contact 210 are overlapped.
  • the slider slides in the rail slot to the center of the heart-shaped rail slot, so that the spring plate 218 remains stationary; while continuing to press the button button, the slider continues on the rail Continue to slide in the slot, return to the original position, and the elastic plate 218 The spring is restored to the original position, and the power switch moving contact 209 is separated from the power switch static contact 210 to be powered off.
  • a control button can be installed on the side wall of the socket 200 to control the movement of the elastic plate 218, so that the power switch moving contact 209 and the power switch static contact 210 are connected to achieve power supply, and Keeping the power on state, and continuing to act on the control button, the spring plate 218 is restored to the original position by the spring spring 219, so that the power switch moving contact 209 and the power switch static contact 210 are separated to realize power failure.
  • the control button mainly implements the function of pressing the power button and then pressing the power-off function.
  • the control button of the other structure can be designed according to the control button on the socket of the present invention, thereby ensuring the safe use of the socket 200, when the control button is not pressed.
  • the plug socket When the socket contact piece 1 in the socket 200 is uncharged, when the human hand can touch the contact electrode (that is, the socket contact piece 2), the plug socket is absolutely in a power-off state, and only the contact electrode can be completely touched by the human hand. When it is energized, it is extremely safe to use. Even if metal is inserted into the socket contact piece 2 in the socket, there is no short circuit or electric shock.
  • Embodiment 8 As shown in FIG. 15 and FIG. 16, the structure of the plug 100 in this example is the same as that of the plug of Embodiment 6.
  • the arrangement of the socket recess 203 in the socket 200 and the socket contact piece 1 therein is also implemented.
  • the socket structure of the example 6 is the same, wherein an elastic plate 218 is disposed under the socket recess 203 of the socket 200, and the elastic plate 218 can be made of a magnet or a ferrous material, and the elastic plate 218 is connected to the elastic plate spring 219.
  • the bottom of the socket 200 is such that the elastic plate 218 is in a contracted state.
  • a power switch moving contact 209 capable of cooperating with the power switch static contact 210 is disposed, and the power switch moving contact 209 is inserted.
  • the seat wire 205 is connected to the power source.
  • the magnet is lost immediately, and the elastic plate 218 is restored to the original position by the spring spring 219, so that the connection between the power switch static contact and the power switch moving contact 209 is disconnected to realize power-off, thereby
  • the current overload protection of the plug and socket when the human hand can touch the contact electrode, the plug socket is absolutely in a power-off state, and can only be energized when the human hand can not touch the contact electrode at all, and the use is extremely safe, even if metal is inserted into the socket.
  • an overcurrent protection structure is arranged in the socket to make it have an overcurrent protection function, which can effectively avoid overcurrent Outlet heat burned when a fire or even lost.
  • Embodiment 9 as shown in FIG. 17 and FIG. 18, this embodiment is similar to Embodiment 8, except that: the bottom surface of the plug 100 is a flat surface, and the plug contact pieces 1 on the bottom surface of the plug 100 are three, respectively a three-plug contact piece 106, a second plug contact piece 107 and a first plug contact piece 108, and have a concentric annular structure, wherein the third plug contact piece 106 and the second plug contact piece 107 are both sheet-shaped rings, and A plug contact piece 108 is located at the innermost side, the first plug contact piece 108 has a conical structure, and the first plug contact piece 108 has a "V"-shaped cross section; the socket recess 203 on the socket 200 is a flat bottom groove.
  • the first socket contact piece 208 which is the innermost one in the socket recess 203, has the same conical first socket contact piece 208 as the first plug contact piece 108.
  • Embodiment 10 as shown in FIG. 19, FIG. 20 and FIG. 21, this example is similar to Embodiment 8 and Embodiment 9, except that: the bottom surface of the plug 100 is a flat surface, and the plug contact piece on the bottom surface of the plug 100 1 is three, respectively a third plug contact piece 106, a second plug contact piece 107 and a first plug contact piece 108, and are all sheet metal pieces arranged in a concentric annular shape, wherein the first plug contact piece 108 Located in the innermost cymbal, the third plug contact piece 106 is located at the outermost cymbal, and the second plug contact piece 107 is located between the outer cymbal and the inner cymbal.
  • the socket recess 203 in the socket 100 is a flat bottom groove, and the three socket contact pieces 1 are all sheet metal pieces, and are arranged in a concentric circular shape.
  • the overcurrent protection mechanism in the plug socket of the present invention mainly uses the bimetal 300 to form the power switch moving contact 209, and the bimetal 300 is mainly composed of the first metal piece 301. And the second metal piece 302 is formed, wherein the first metal piece 301 and the second metal piece 302 are respectively made of two materials having different thermal expansion coefficients, and when the heat is subjected to collision deformation, one of the metal pieces is deformed more than another A metal piece, so that the power switch moving contact 209 is separated from the power switch static contact 210 to achieve power failure and function as an overcurrent protection.
  • the plug and socket of the present invention wherein the opening and closing mechanism for controlling the power switch moving contact 209 and the power switch static contact 210 in the energization of the electrode can be made of a plastic spring 224
  • the tail of the plastic spring 224 is made of a ring material made of a plastic material, and has good elasticity, which can be expanded, and the ring piece is fixed on the socket 200, in the two of the ring piece
  • the power switch moving contact 209 is respectively connected to the end, and the two power switch moving contacts 209 are respectively connected to the socket contact piece 1, wherein the power switch moving contact 209 and the power switch static contact 210 can be relatively matched, when The expansion shaft head is inserted into the annular piece at the tail of the plastic spring 224 to expand the ring piece, so that the power switch moving contact 209 and the power switch static contact 210 overlap each other, thereby realizing energization, when expanding the shaft head When the ring piece is removed from the ring piece, the ring piece
  • the invention is not limited to the specific embodiments described above.
  • the invention extends to any new feature or any new combination disclosed in this specification, as well as any novel method or process steps or any new combination disclosed.

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Abstract

本发明公开了一种采用面接触的插头插座，属于用电器具的插头插座技术领域。本发明的采用面接触的插头插座，包括相互匹配的插头与插座，所述插头的下表面布置有与插头导线连接的插头接触片，所述插座上表面布置有与插座导线连接的插座接触片，其中插头与插座之间配合时，所述插头接触片从竖直方向和/或倾斜方向贴于插座接触片上形成面接触通电。本发明的采用面接触的插头插座，使接触片之间采用面接触，使插头插座同体积的情况下，接触面积增加，电流传输能力增大，接触永远可靠，使用次数越多越可靠。

Description

采用面接触的插头插座 技术领域
本发明涉及用电器具的插头插座技术领域， 特别是可相对旋转的插头插座。
背景技术
插头插座， 其电流传输能力， 与插头插座的接触片之间的接触电阻 R有密切的关系。 若插头 插座接触片处的接触电阻 R 大， 则在通过大电流时会损耗能量， 使插头插座接触面发热， 严重时 会使插头插座、 引线及其配套设施损坏甚至引起火灾； 用电器具也会因得不到足够的功率供应而 工作不正常， 严重的会引起设备损坏。 其中接触电阻 R 的大小， 与插头插座接触面片的接触面积 S、 压力 P有密切的关系， 接触面积 S越大， 压力 P越大， 则接触电阻 R越小。
现有的插头插座的接触电阻 R , 取决于插头接触片 1 表面的平整度和光洁度与插座接触片 1 表面的平整度、 光洁度以及平行度； 同时还取决于插头接触片 1和插座接触片 2选用的材料及热 处理、 铆接、 装配的工艺以及使用过程中的机械磨损、 扭曲、 疲劳程度、 热湿等环境的影响。
如图 1所示， 理想状态下的插头与插座， 其中插头上的插头接触片 1垂直于插座面板方向， 插入到插座上的插座接触片 1内， 方形的插头接触片 1的两侧壁能与插座接触片 1的接触部 2b充 分贴合， 使插头接触片 1 与插座接触片 2之间为面接触， 从而保证其电流传输效果。 理想状态下 的插头与插座， 插头接触片 1在导向部 2a的作用下顺利地插入到插座接触片 2中， 插头与插座之 间之中真正起电流传输作用的部位， 是插头接触片 1的侧壁与插座接触片 2的接触部 2b , 因此为 了保证理想状态下的插头与插座， 需要插座接触片 2具有较高弹性， 使接触部 2b能紧贴于插头接 触片 1的侧壁才能保持输电性能， 因此要求插座接触片 2在接触部 2b处既具有较高的输电性能， 又要具有较高的弹性， 否则插座接触片 1 的寿命或者输电性能将大打折扣， 固需要选择高性能的 价格昂贵的合金铜作为插座接触片 2材料， 如锡磷青铜、 铍青铜等， 但是由于插座接触片 2 的固 定部 2c仅起固定和导电作用， 无需选用价格昂贵的合金铜材料， 造成了贵重金属浪费太多， 使得 成本增力口。
现有的插头与插座， 由于插座接触片 2上的接触部 2b的设计原因， 为了保证插座接触片 2具 有较好的弹性， 形成了如 2所示的结构， 在使用过程中， 插座接触片 2上的接触部 2b与插头接触 片 1的两侧面相接触时， 就形成了线接触， 从而使得接触面积 S太少， 接触电阻 R较大， 电流的 传输能力受到影响， 影响到用电器具的正常使用。 由于插座接触片 1 的制造工艺、 材质、 磨损、 机械扭曲、 环境、 发热松动等原因， 使插头接触片 1 与插座接触片 1 之间的接触面积 S 大大减 小， 从而使得接触不良， 造成电流传输能力降低， 插座接触片 1 在长期使用过程中发生了变形， 使插头接触片 1只能与插座中的一边的插座接触片 2相接触， 虽然仍然可以保持面接触， 但是接 触面积 S 相对减小了一半， 造成了接触不良， 影响了用电器具的正常使用。 在使用过程中， 插头 接触片 1可能倾斜地插入到插座中时， 从而造成机械扭曲， 插头接触片 1在两插座接触片 2之间 呈倾斜状， 使插头接触片 1 的两侧面与两插座接触片 2分别形成了线接触， 相对于理想状态时， 接触面积 S 也大大地减少， 降低了电流的输送能力。 为了克服图 2 的缺陷， 现有设计的插头插 座， 其中插头接触片 1为柱形， 两个插座接触片 2呈圆锥形， 当插头接触片 1插入到两插座接触 片 2中时， 插头接触片 1产生扭曲， 使插头接触片 1与一插座接触片 2贴合形成线接触， 而与另 一插座接触片 1 形成点接触， 该结构可以改善图 1 结构的缺陷， 但是相对于理想状态的插头插 座， 其接触面积 S依然大大地减少， 从而影响了电流传输能力。 另外， 现有的插头插座在使用过程中， 插头接触片 1 与插座接触片 2之间的接触方式还有如 图 1所示， 上述接触方式中， 其接触面积 S相对于理想状态的接触面积 S均有大大的减少， 在不 考虑材料、 环境、 接触片平整度和光洁度等条件下， 上述接触方式的电流传输能力相对于理想状 态均大大折扣， 从而不能满足用电器具正常使用。 其中如图 3 所示， 其为目前广泛使用的万能插 座的类型， 其中插头接触片 1与插座接触片 2的接触面积 S只有一条线， 甚至只有几个点， 通过 的电流稍大， 就会引起发热， 烧蚀甚至火灾。
为了适应圆头插头和扁头插头， 有的插座做成中间带凹槽的形状， 虽然适应两种插头的插 入， 但使得插头插座之间为线接触， 使插头插座的接触面积减少， 造成隐患。
现有的插头插座除了上述特点外， 还存在如下缺陷：
1、 现有技术的插头插座， 要准确对位， 就需要将插头接触片 1 垂直于插座面板方向， 才能插 入到插座接触片 2之间， 由于插座接触片 2需要具有较强的弹性将插头接触片 1夹紧， 因此在插 和拔的过程都很费力；
2、 由于插头接触片 1的两侧面需要和插座接触片 2相互接触传递电流， 因此插头接触片 1的 两侧面在传输电流时是带电的， 当插入插头或者拔出插头到一定位置时， 插头接触片 1 的侧面有 部分会棵露在插座表面， 如果手指接触到导电铜片时就会触电， 安全性不好；
3、 上述的插头插座中， 其引线固定于插头上， 同时插头与插座之间不能相对转动的， 因此引 线在插头上的方向是固定不变的， 同时由于插座一般是固定的， 当使用时插头与插座的方向不对 位， 需要转动引线时， 是将引线扭曲后再将插头插入到插座中， 长期如此操作时， 会使引线与插 头的结合部损坏， 线路暴露于外， 从而造成危险， 安全性不好； 现有技术中， 设置有可相对转动 的插头与插座， 例如在电加热器水壶中的插头插座， 如图 3 所示， 其釆用的原理是将具有弹性的 接触头 3紧贴于接触环 4的外壁上， 接触头 3与接触环 4之间为点接触或者线接触， 其接触面积 S 仍然较小， 有效的电流传输能力较低， 同时接触头 3 需要具有较好的弹性， 因此需要选用昂贵 的有色金属材料， 增加了生产成本。
4、 上述所讲的插头接触片与插座接触片之间的接触面积有限， 当需要达到同样的电流传输 时， 增加接触片的长度或者宽度， 从而使接触面积 S 增大， 造成了有色金属材料的浪费， 使得成 本增加。
5、 现有技术的插座， 如果有人（尤其是儿童） 用金属插入到插座孔里时， 容易引起触电， 有 的墙插座在插孔处增设了盖板， 使得已有单孔插入时插不进去， 但双孔同时插入时， 仍能插入而 导致触电， 而且增加盖板后使得插头插入插座时， 需要非常用力， 使用不方便；
6、 另外， 现有技术的插座中， 并没有过流保护结构， 当通电电流过大时， 没有过流保护能 力， 从而使接触面发热， 严重时会使插头插座损坏甚至引起火灾， 同时当插座处于高温环境时， 极易短路， 从而造成了使用的安全性能极低。
综上所述， 现有技术的插头插座， 随着插头插座插拔次数的增多， 引起相互间的磨损、 形 变， 越容易引起接触不良。
发明内容
本发明的发明目的在于： 针对上述存在的问题， 提供一种结构简单、 操作简便的釆用面接触 的插头插座， 使接触片之间釆用面接触， 使插头插座同体积的情况下， 接触面积增加， 电流传输 能力增大， 接触永远可靠， 使用次数越多越可靠； 接触电极做成块状或者圆环形结构， 使插头可 在插座上旋转， 使得插头可随意转动， 而对引线不造成扭曲， 增加了其使用性能； 接触片釆用价 格低廉， 导电性好的铜材料， 用材减少， 降低了成本； 在插座中设置安全保护结构， 当人手能够 触到接触电极时， 该插头插座绝对处于断电状态， 只能人手完全无法触到接触电极时， 才能通 电， 使用极为安全， 即便是有金属插入到插座内的接触片上， 也不会发生短路或者是触电； 同时 在插座中设置过流保护结构， 使其具有过流保护功能， 能有效地避免过流传输时发热烧坏插座甚 至发生火灾。
本发明釆用的技术方案如下：
本发明的釆用面接触的插头插座， 包括相互匹配的插头与插座， 所述插头的下表面布置有与 插头导线连接的插头接触片， 所述插座上表面布置有与插座导线连接的插座接触片， 其中插头与 插座之间配合时， 所述插头接触片从竖直方向和 /或倾斜方向贴于插座接触片上形成面接触通电。
由于釆用了上述结构， 在插头上设置有插头接触片， 该片状的插头接触片布置于插头的下表 面， 且根据插头的形状结构进行布置， 在所述插座上表面布置有与插座导线连接的片状插座接触 片， 其中插头能够与插座外形与结构相互匹配使用， 此时， 插头接触片的面部能够与插座接触片 的面部相互贴合， 使得本发明有别于现有技术， 使插头接触片与插座接触片之间形成面接触， 可 以为平面接触， 斜面接触， 曲面接触， 异形面接触等多种面接触方式， 从而大大地增加了插头插 座中的接触片的接触面积， 从而使电流传输能力增大， 由于接触片之间是在竖直方向、 倾斜方向 形成的面接触， 其中竖直方向是指插头与插座相对时， 插头与插座的中心轴线方向， 而倾斜方向 是相对于竖直方向的倾斜方向， 当长期使用接触片发生磨损后， 接触片之间的面接触方式依然不 会发生变形， 反而会使接触面接触的越紧密， 使用次数越多越可靠， 使本发明能够有效地解决了 现有技术中， 接触片之间相互接触不良所带来的各种不良效果。 其中接触片仅需具有较好的导电 性能即可， 不需要具有弹性， 因此可釆用价格低廉， 导电性好的铜材料， 用材减少， 降低了成 本。
本发明的釆用面接触的插头插座， 所述插座上设置有插座凹槽， 其中所述插头的下部与插座 凹槽的腔体分别为相互匹配的上大下小的凸台与凹槽， 所述插头接触片布置于插头的凸台面和 /或 凸台的斜侧壁上， 所述插座接触片布置于插座凹槽的内台面和 /或内斜侧壁上。
由于釆用了上述结构， 可以在插座上设置插座凹槽， 可用于插头的插入， 使插头与插座相互 匹配， 在插座的插座凹槽内设置插座接触片， 其中插座接触片布置于插座凹槽的内底面、 内斜侧 壁、 或者在内底面和内斜侧壁上均布置插座接触片， 其中插头能够与插座相匹配， 当插头插入到 插座内的插座凹槽中时， 使插头接触片能够与插座接触片相贴合， 但是本发明有别于现有技术的 接触片的接触方式， 釆用插头接触片表面从竖直方向、 倾斜方向、 或者在竖直方向与倾斜方向两 个方向上贴于插座接触片表面， 从而使插头接触片与插座接触片之间形成面接触， 从而能够有效 地增大接触片的接触面积， 从而使电流传输能力增大， 由于接触片之间时在竖直方向、 倾斜方向 形成的面接触， 当长期使用接触片发生磨损后， 接触片之间的面接触方式依然不会发生变形， 反 而会使接触面接触的越紧密， 使用次数越多越可靠， 使本发明能够有效地解决了现有技术中， 接 触片之间相互接触不良所带来的各种不良效果。 其中接触片仅需具有较好的导电性能即可， 不需 要具有弹性， 因此可釆用价格低廉， 导电性好的铜材料， 用材减少， 降低了成本。 其中插头的下 部设置为上大下小的凸台， 而插座凹槽的腔体则为上大下小的凹槽， 其中插头的下部与插座凹槽 之间相互匹配， 且在插头下部的凸台面、 凸台的斜侧壁或者凸台面与凸台的斜侧壁二者上设置插 头接触片， 根据实际需要选择布置位置， 同理， 在插座凹槽的内台面、 内斜侧壁或内台面与内斜 侧壁二者上设置插座接触片， 当插头插入到插座时， 插头下部凸台面上的插头接触片面与插座凹 槽内台面上的插座接触片面在竖直方向 （也即插头与插座中心线的轴向）上相互贴合， 插头下部 凸台的斜侧壁上的插头接触片与插座凹槽内斜侧壁上的插头接触片在倾斜的方向上相互贴合， 使 接触面积大大增加， 电流传输能力增大， 接触永远可靠， 使用次数越多越可靠。
本发明的釆用面接触的插头插座， 所述插头的下部与插座凹槽的腔体呈倒置的圆锥形、 倒置 的圆锥台形、 倒置的分级圆台形或者倒置的分级圆锥台形， 所述插头接触片均布于插头的下台 面、 或者呈同心圆环的方式布置于插头的下台面和 /或锥面上， 所述插座接触片均布于插头的下台 面、 或者呈同心圆环的方式布置于插座凹槽的内台面和 /或内锥面上。
由于釆用了上述结构， 插头的下部以及插座凹槽的腔体可应釆用多种结构形式， 例如呈倒置 的圆锥形、 倒置的圆锥台形、 倒置的分级圆台形或者倒置的分级圆锥台形等多种上大下小的结 构， 可根据实际需要设定其它结构的上大下小的结构， 而插头接触片可根据实际的插头结构形 状， 选择结构或者布置方式， 如可选择任意几何形状的片状插头接触片均与于插头的下底部， 可 呈圆环片布置于同一圆环上， 或者选择片状的圆环形插头接触片， 呈同心圆环的方式布置于插头 的下台面、 锥面或下台面与锥面二者上， 相应地， 插座接触片可根据实际的插头结构形状， 选择 结构或者布置方式， 如可选择任意几何形状的片状插座接触片均与于插座凹槽的内底部， 可呈圆 环片布置于同一圆环上， 或者选择片状的圆环形插座接触片， 呈同心圆环的方式布置于插座凹槽 的内台面、 内锥面或内台面与内锥面二者上。 本发明的釆用面接触的插头插座， 插头与插座的形 状结构多种多样， 适用范围广， 可根据需要任意选择。 接触电极做成圆环块或者圆环形结构， 使 插头可在插座上旋转， 使得插头可随使用的方便任意角度的转动， 而对引线不造成任意的扭曲， 增加了其使用性能； 接触片釆用价格低廉， 导电性好的铜材料， 用材减少， 降低了成本。
本发明的釆用面接触的插头插座， 所述插头和 /或插座上设置有定位固定机构、 过流保护机 构和 /或电源安全开关； 其中定位固定机构使插头与插座之间可相对转动而不脱离， 保持插头接触 片与插座接触片的面接触； 当插头插座内的电流过大时， 过流保护机构自动断开通电； 其中电源 安全开关使插头插入插座时， 插座处于通电状态， 插头未插入插座或未插到位时， 插座处于断电 状态。
由于釆用了上述结构， 本发明在插头插座内布置定位固定机构、 过流保护机构以及电源安全 开关， 可以布置于插头内， 也可以布置于插座内， 同时还可以在插头插座内均布置， 根据需要进 行选择； 另外定位固定机构、 过流保护机构、 电源安全开关可以釆用择一的方式布置于插头插座 中， 也可以釆用任意组合的方式布置于插头插座中， 如定位固定机构与过流保护机构二者配合， 定位固定机构与电源安全开关二者配合， 过流保护机构与电源安全开关二者配合， 定位固定机 构、 过流保护机构与电源安全开关三者的配合； 其中定位固定机构， 能够使插头插入到插座中后 进行定位固定， 使二者不能任意脱离， 同时还能够使插头与插座之间可相对转动， 同时保持插头 接触片与插座接触片的面接触， 不会对其大电流的传输造成影响， 从而使插头可在插座上旋转， 使得插头可随使用的方便任意角度的转动， 而对引线不造成任意的扭曲， 增加了其使用性能。 过 流保护机构， 主要用于对插头插座的使用安全的保护， 当插头插座内的电流过大时， 过流保护机 构自动断开通电， 使其具有过流保护功能， 能有效地避免过流传输时发热烧坏插座甚至发生火 灾； 其中电源安全开关使插头插入插座时， 插座处于通电状态， 插头未插入插座或未插到位时， 插座处于断电状态， 因此当人手能够触到接触电极时， 该插头插座绝对处于断电状态， 只能人手 完全无法触到接触电极时， 才能通电， 使用极为安全， 即便是有金属插入到插座内的接触片上， 也不会发生短路或者是触电。 本发明的釆用面接触的插头插座， 在所述插座内设置有电源开关动触头与电源开关静触头， 其中电源开关动触头连接于插座接触片或插座导线上， 而电源开关静触头相应地连接于插座导线 或插座接触片上； 所述电源安全开关主要在推移键的作用下使电源开关动触头发生移动， 并与电 源开关静触头搭接通电或分开断电； 所述过流保护机构主要是当插头插座内的电流过大时， 将电 源开关动触头与电源开关静触头分开断电。
由于釆用了上述结构， 在插座内设置有电源开关动触头与电源开关静触头， 其中电源开关动 触头与电源开关静触头可以分别选择连接于插座导线或插座接触片上， 也即当电源开关动触头连 接于插座导线上时， 所述电源开关静触头连接于插座接触片上， 而当电源开关动触头连接于插座 接触片上时， 所述电源开关静触头连接于插座导线上， 可根据实际需要任意选择， 其中电源安全 开关主要在当插头插入插座时， 能触动推移键使电源开关动触头发生移动， 并且使得电源开关动 触头与电源开关静触头之间相互搭接通电或相互分开断电； 而其中过流保护机构， 主要是当插头 插座内的电流过大时， 控制电源开关动触头与电源开关静触头之间相互分开断电， 从而实现过流 保护的功能。
本发明的釆用面接触的插头插座， 所述推移键设置为弹板， 所述弹板通过弹板弹簧连接于插 座上， 所述电源开关动触头设置于在弹板的端部或弹板的移动方向上， 所述电源开关静触头设置 于电源开关动触头的移动方向上， 所述弹板在操控键的作用下带动电源开关动触头移动， 使电源 开关动触头与电源开关静触头搭接通电或分开断电； 或者所述推移键为设置于插头上的卡键与设 置于电源开关动触头上的扣键， 卡键出入扣键的过程中， 使电源开关动触头的端部发生移动， 使 其与电源开关静触头搭接通电或分开断电。
由于釆用了上述结构， 在电源安全开关中触使电源开关动触头发生移动的推移键， 可以为插 座内布置的弹板或者相互配合关系的插头上布置的卡键与电源开关动触头上卡扣， 其中推移键釆 用弹板时， 所述弹板通过弹板弹簧连接于插座的底座或者侧壁上， 其中在弹板的端部上设置电源 开关动触头， 具体个数可根据实际的需要选择设定， 电源开关动触头还可以设置在弹板的旁边， 或者连接在弹板上， 当弹板移动时， 弹板能带动该电源开关动触头发生移动， 因此弹板可布置于 任何位置， 能在弹板发生移动时， 带动其移动即可， 在电源开关动触头旁边设置有电源开关静触 头， 使得电源开关动触头移动时， 能够与电源开关静触头搭接或者分开， 因此电源开关静触头设 置于电源开关动触头的移动方向上， 本发明中弹板的移动是受到操控键控制的， 操控键主要能够 与插头相互配合的关系， 使插头插入到插座时， 该操控键能够带动弹板发生移动， 实现电源开关 动触头移与电源开关静触头搭接通电， 而当插头拔出插座时， 操控键取消了对弹板的作用力， 使 弹板在弹簧的作用下恢复到原位， 从而使电源开关动触头移与电源开关静触头分开断电， 通过操 控键能有效地控制插座的通电与否， 使操作极为简便， 使用更加便捷可靠。 当推移键釆用卡键与 卡扣配合时， 卡键设置于插头上， 而扣键设置于电源开关动触头上， 卡键与扣键能相互配合， 当 插头插入到插座中时， 插头带动卡键插入到扣键中， 此时卡键使两个电源开关动触头的端部发生 移动， 使电源开关动触头与电源开关静触头搭接通电； 当当插头从插座中拔出时， 插头带动卡键 从扣键中拔出， 两个电源开关动触头的端部在弹簧或者回弹部件或者自身的弹性作用下发生移 动， 从而与与电源开关静触头分开断电， 从而能有效地控制插座的通电与否， 使操作极为简便， 使用更加便捷可靠。
本发明的釆用面接触的插头插座， 所述操控键设置为连接于弹板上并穿过插座侧壁的推推开 关； 或者所述操控键为设置于插头内的磁铁， 所述磁铁可吸住插座凹槽下方的弹板； 或所述操控 键为设置于插头底部的插头凸头， 所述插头凸头的端头可从插座凹槽内底部的插座通孔穿过， 抵 于插座通孔下方的弹板上。
由于釆用了上述结构， 使弹板能够移动的操控键可以为推移开关、 磁铁或者插头凸头， 其中 推移开关可以釆用推推开关等机构， 当操作者推动该推推开关上的按钮时， 该推推开关能推动弹 板移动并同时对弹板起到限制作用， 使其稳靠地停留在某一位置， 使电源开关动触头与电源开关 静触头保持搭接通电， 当操作者再次推动该开关上的按钮时， 该开关能推动弹板移动取消了对弹 板的限制， 弹板在弹板弹簧的作用下， 恢复到原位， 电源开关动触头与电源开关静触头保持分开 断电， 该种推推开关的方式多种多样， 在其它领域也有使用， 如电视机开关、 圆珠笔弹簧开关 等， 本发明首次将该种功能的开关釆用到对插座内的弹板的控制上来， 能够实现对插座通电的控 制， 保证插座的使用安全。 使弹板能够移动的操控键可以为磁铁， 即在插头内安装磁铁， 则要求 弹板位于插座凹槽下方， 弹板可釆用磁铁或者其它可被磁铁的磁力吸引的材料， 当插头插入到插 座凹槽时， 弹板能够在而位于弹板的磁力的作用下发生上移， 从而带动电源开关动触头与电源开 关静触头搭接通电， 当插头从插座凹槽拔出时， 弹板不再受到磁铁的吸引， 从而能在弹板弹簧的 作用下恢复原位， 从而带动电源开关动触头与电源开关静触头分开断电， 本发明充分利用了磁力 的性能， 实现了对弹板的控制， 从而使得对插座通电与否的控制， 同理可根据需要， 可在插头上 设置磁铁意外的其它可被磁铁的磁力吸引的材料。 使弹板能够移动的操控键为设置于插头底部的 插头凸头， 所述插头凸头的端头可从插座凹槽内底部的插座通孔穿过， 抵于插座通孔下方的弹板 上， 要求弹板设设置于插座凹槽下方， 且位于通孔下方之下， 当插头插入到插座中时， 插头凸头 的端头作用力于弹板上， 将弹板下压， 弹板带动电源开关动触头与电源开关静触头搭接通电； 当 插头从插座中取出时， 插头凸头的端头对弹板的下压力消失， 弹板在弹板弹簧的作用下恢复到原 位， 使电源开关动触头与电源开关静触头分开断电， 实现了对插座的通电控制。
本发明的釆用面接触的插头插座， 所述过流保护机构主要是将电源开关动触头和 /或电源开 关静触头釆用双金属片制成， 其中双金属片包括釆用热膨胀系数不同第一金属片与第二金属片， 使双金属片受热变形时， 其一金属片的膨胀量大于另一金属片的膨胀量， 将电源开关动触头与电 源开关静触头分开断电； 或者所述过流保护机构主要是设置于插头和 /或插座内的磁铁， 当插头插 座内电流过大， 发热传递至磁铁的温度达到居里点时， 磁铁失去磁力， 插座凹槽下方的弹板在弹 板弹簧的作用下恢复原位， 使电源开关动触头与电源开关静触头分开断电。
由于釆用了上述结构， 其中所述过流保护机构主要是将电源开关动触头与电源开关静触头二 者、 或电源开关动触头、 或电源开关静触头釆用双金属片制成， 其中双金属片包括釆用热膨胀系 数不同的第一金属片与第二金属片， 也即当通过的电流过大时， 电源开关动触头与电源开关静触 头的搭接处会发热， 从而使双金属片受热发生变形， 其中两层金属片的发生膨胀， 其中一金属片 的膨胀量大于另一金属片的膨胀量， 也即在电源开关动触头与电源开关静触头上朝向相互搭接一 侧的金属片的膨胀量大于背对搭接一侧的金属片的膨胀量， 从而使得电源开关动触头与电源开关 静触头分开断电， 实现了对插座的过流保护功能， 使其具有过流保护功能， 能有效地避免过流传 输时发热烧坏插座甚至发生火灾。 其中所述过流保护机构主要根据磁铁受热达到居里点时失磁， 在插头、 插座或者在插头与插座内均设置磁铁， 当插头插座内的电流过大时， 接触片同样会发 热， 而该热量会传递至磁铁上， 使得磁铁的温度上升， 当温度达到居里点时， 磁铁就失去了磁 性， 也就失去了对插座凹槽下方弹板的吸力， 弹板受到弹板弹簧的弹力作用下恢复到了原位， 与 此同时弹板带动电源开关动触头移动， 使其与电源开关静触头分开断电； 上述的两种过流保护机 构可单独使用， 也可以同时使用， 根据实际需要进行选择。 当然过流保护机构也根据现有的保险 的原理， 将插座或者插头内的线路上设置保险机构， 当电流过大时， 该保险机构自动断裂， 从而 过流保护的作用， 本发明中的过流保护机构可设置于插头内也可以设置于插座内， 同时可以再插 头与插座内分别设置， 根据实际需要选定。 过流保护机构能有效地避免过流传输时发热烧坏插座 甚至发生火灾。
本发明的釆用面接触的插头插座， 所述定位固定机构由在插头和 /或插座内设置的磁铁， 使 插头与插座之间相互吸引不脱离而可相对转动组成； 或者所述定位固定机构由在插头或插座上设 置的卡键， 以及相应地在插座或插头上设置的扣键， 卡键与扣键相互配合， 使插头与插座之间不 脱离而可相对转动组成； 或者所述定位固定机构由将插头套于插座内或将插头套于插座外可相对 转动而成。
由于釆用了上述结构， 其中定位固定机构可釆用磁铁， 使插头与插座之间相互吸引不脱离， 同时插头与插座之间可相对转动， 因此本发明在插头、 插座或者在插头与插座二者中设置的磁 铁， 根据需要进行选择设置。 另外定位固定机构可以通过在插头与插座上设置相互匹配的卡键与 扣键， 从而使得插头插入到插座中时， 插头与插座之间能够相互卡接， 且由于扣键仅限制卡键在 纵向和横向上的移动， 但是卡键与扣键之间依然可以相对转动， 因此能够实现插头与插座之间不 脱离而可相对转动， 其中卡键设置于插头上时， 扣键则设置于插座内； 而卡键设置于插座上时， 扣键则设置于插头内， 当插头插入到插座内时， 卡键与扣键能相互配合； 其中卡键与扣键的结构 多种多样， 可实现插头与插座之间的相互配合， 同时插头能与插座之间相对转动即可， 可根据实 际需要进行设计。 另外定位固定机构由将插头套于插座内或者将插头套于插座外， 从而能够使得 插头与插座之间相互固定， 同时插头与插座可相对转动， 可根据需要选择其结构， 如在插座上开 设槽， 而在插头上设置块， 当插头套于插座内时， 插头上设置块可位于该槽内， 使插头与插座之 间可相对转动； 根据需要可以任意设定。
本发明的釆用面接触的插头插座， 所述卡键为设置于插头上的可伸缩移动的卡轴， 扣键为设 置于插座凹槽内底部插座通孔下方的夹持机构， 该夹持机构由设置于电源开关动触头上的轴头夹 块组成， 两个电源开关动触头上的轴头夹块可相互配合夹住卡轴的端头， 其中电源开关动触头设 置为弹性金属片或者设置有回位弹簧， 并在电源开关动触头上设置有释放夹块， 在释放夹块的上 方设置有穿出插座并可伸缩移动的释放销轴， 所述释放销轴的端头插入两释放夹块之间时， 两电 源开关动触头的端部发生移动， 使其与电源开关静触头被分开断电， 两轴头夹块释放对卡轴的端 头的夹持。
由于釆用了上述结构， 当定位固定机构釆用相互配合的卡键与扣键时， 其中卡键设置为卡 轴， 该卡轴设置于插头上可伸缩移动， 而扣键则设计为插座凹槽内底部插座通孔下方的夹持机 构， 可通过夹持机构对卡轴的夹持实现对插头插座的定位固定， 其中的夹持机构由设置于电源开 关动触头上的轴头夹块组成， 两个电源开关动触头上的轴头夹块可相互配合夹住卡轴的端头， 从 而实现插头与插座的固定， 而为了实现电源开关动触头的回弹， 可将该电源开关动触头设置为弹 性金属片， 或者在电源开关动触头上设置回位弹簧， 从而使轴头夹块始终有合拢的趋势， 同时为 了实现对卡轴的控制， 因此可在电源开关动触头上设置有释放夹块， 并配合释放销轴， 可通过释 放销轴的端头伸入到释放夹块两个之间， 使两电源开关动触头的端部张开发生移动， 使其与电源 开关静触头被分开断电的同时， 两轴头夹块释放对卡轴的端头的夹持， 此时卡轴可自动恢复原 位， 使插座释放对插头的固定； 其中释放销轴设置于释放夹块的上方， 并穿出插座， 且释放销轴 可在竖直方式上伸缩移动， 当释放销轴伸入释放夹块中后， 便可自动恢复原位。
综上所述， 由于釆用了上述技术方案， 本发明的有益效果是：
本发明的釆用面接触的插头插座， 结构简单、 操作简便使接触片之间釆用面接触， 使插头插 座同体积的情况下， 接触面积增加， 电流传输能力增大， 接触永远可靠， 使用次数越多越可靠； 本发明的釆用面接触的插头插座， 接触电极做成圆环块或者圆环形结构， 使插头可在插座上旋 转， 使得插头可随使用的方便任意角度的转动， 而对引线不造成任意的扭曲， 增加了其使用性 能； 接触片釆用价格低廉， 导电性好的铜材料， 用材减少， 降低了成本； 本发明的釆用面接触的 插头插座， 在插座中设置安全保护结构， 当人手能够触到接触电极时， 该插头插座绝对处于断电 状态， 只能人手完全无法触到接触电极时， 才能通电， 使用极为安全， 即便是有金属插入到插座 内的接触片上， 也不会发生短路或者是触电； 本发明的釆用面接触的插头插座， 同时在插座中设 置过流保护结构， 使其具有过流保护功能， 能有效地避免过流传输时发热烧坏插座甚至发生火 灾。
附图说明
本发明将通过例子并参照附图的方式说明， 其中：
图 1是现有的插头插座理想情况的配合图； 图 2现有的插头插座配合的实际情况； 图 3是现有的 插头插座配合的实际剖视图； 图 4是现有的插头插座配合的另一实际剖视图； 图 5是相互配套的 插头与插座的一种结构示意图； 图 6是本发明中电源开关闭合和打开时的结构示意图； 图 7是本 发明中电源开关打开另一种结构的示意图；图 8是相互配套的插头与插座的另一种结构示意图； 图 9是相互配套的插头与插座的另一种结构示意图； 图 10相互配套的插头与插座的另一种结构示意 图； 图 11是图 10 中电极的分布结构示意图； 图 12是相互配套的插头与插座的另一种结构示意 图； 图 1 3是相互配套的插头与插座的另一种结构示意图； 图 14是图 1 3的插座的另一种结构示意 图； 图 15和图 16是相互配套的插头与插座的另一种结构示意图； 图 17和图 18是相互配套的插 头与插座的另一种结构示意图； 图 19和图 20是相互配套的插头与插座的另一种结构示意图； 图 21是图 15、 图 17以及图 19的仰视图； 图 22是本发明中电源开关打开另一种结构的示意图。 图中标记： 1-插头接触片、 2-插座接触片、 2 a-导向部、 2b-接触部、 2c-固定部、 3-接触头、 4- 接触环； 100-插头、 101-插头下盖、 102-插头上盖、 103-插头弹簧、 104-卡轴、 105-轴头、 106- 第三插头接触片、 107-第二插头接触片、 108-第一插头接触片、 109-永磁体、 110-插头导线、 111-上盖凹槽、 112-下盖凹槽、 11 3-插头凸头、 114-圆环槽、 115-凸座、 116-磁铁； 200-插座、 201-插座下盖、 202-插座上盖、 203-插座凹槽、 204-插座通孔、 205-插座导线、 206-第三插座接 触片、 207-第二插座接触片、 208-第一插座接触片、 209-电源开关动触头、 210-电源开关静触 头、 211-轴头夹块、 212-释放销轴、 21 3-释放钮、 214-释放弹簧、 215-定位板、 216-释放轴头、 217-释放夹块、 218-弹板、 219-弹板弹簧、 220-弹簧块、 221-过水孔、 222-滑移式推推开关、 223-双稳态推推开关、 224-塑料弹簧； 300-双金属片、 301-第一金属片、 302-第二金属片。
具体实施方式
本说明书中公开的所有特征， 或公开的所有方法或过程中的步骤， 除了互相排斥的特征和 /或 步骤以外， 均可以以任何方式组合。
本说明书 （包括任何附加权利要求、 摘要和附图） 中公开的任一特征， 除非特别叙述， 均可 被其他等效或具有类似目的的替代特征加以替换。 即， 除非特别叙述， 每个特征只是一系列等效 或类似特征中的一个例子而已。 本发明所指的居里点， 是指铁磁物质被磁化后具有很强的磁性， 但随着温度的升高， 金属点 阵热运动的加剧会影响磁畴磁矩的有序排列， 当温度达到足以破坏磁畴磁矩的整齐排列时， 磁畴 被瓦解， 平均磁矩变为零， 铁磁物质的磁性消失变为顺磁物质， 与磁畴相联系的一系列铁磁性质 (如高磁导率、 磁滞回线、 磁致伸缩等）全部消失， 相应的铁磁物质的磁导率转化为顺磁物质的 磁导率， 与铁磁性消失时所对应的温度即为居里点温度。
实施例 1， 如图 5所示， 本发明的插头 100包括插头下盖 101和插头上盖 102 , 其中插头上盖 102 的外形呈圆形结构， 插头上盖 102 的中部设置有凸起， 该凸起与插头上盖 102 的内壁之间形 成使上盖凹槽 111 , 上盖凹槽 111 呈圆环形， 当然也可以根据插头下盖 101 的结构制成矩形环、 椭圆形环等多种结构， 使插头上盖 102的内壁可套于插头上盖 102的外壁上， 当插头下盖 101和 插头上盖 102 之间相对移动时， 插头上盖 102 的顶部可在上盖凹槽 111 内移动； 所述插头上盖 102的顶部设置有内凹结构， 形成下盖凹槽 112 , 该下盖凹槽 112的形状与插头上盖 102中部的凸 起相同， 该凸起在下盖凹槽 112 内可相对移动， 其中在插头上盖 102 中部的凸起上连接有卡轴 104 , 卡轴 104上套有插头弹簧 103 , 插头弹簧 103被限制于插头下盖 101和插头上盖 102之间， 所述卡轴 104从下盖凹槽 112底部中心的通孔内伸入插头上盖 102的底面， 并且在卡轴 104的端 头上设置有轴头 105 , 在靠近卡轴 104的端头上套有设置有永磁体 109 , 在永磁体 109外套有保护 套， 插头上盖 102 与插头下盖 101 之间相对移动， 卡轴 104 端头上的轴头 105 伸出插头下盖 101 , 用于与插头下盖 101配合固定， 当不作用力于插头上盖 102时， 插头弹簧 103的弹力使插头 上盖 102向远离插头下盖 101的方向移动， 卡轴 104的端头被挡住插头下盖 101 内， 使二者不能 继续移动， 保证能够重复使用。 插头下盖 101 的下部为倒置的圆形凸台， 从而形成多级的阶梯形 结构， 并且在各个圆形凸台面上分部设置插头接触片 1 , 根据实际需要， 如果为三线时， 则选择 三级台阶凸台， 使三个凸台面上均布置有插头接触片 1 , 插头接触片 1 再分部与用电器具的插头 导线 110 连接； 如果为两线时， 则选择二级台阶凸台， 使两个凸台面上均布置有插头接触片 1 , 依此类推， 如果为四线或者五线或多线时， 设计为四个凸台、 五个凸台或多个凸台， 而各个凸台 面上均布置插头接触片 1 , 根据实际需要选择； 此时仰视插头 100的底部， 三个插头接触片 1 形 成同心环， 其中第一插头接触片 108位于最内圏， 第三插头接触片 106位于最外圏， 第二插头接 触片 107位于中间， 同理可知， 根据插头接触片 1 的个数可知形成的同心环的个数， 其中插头接 触片 1可釆用黄铜等导电性能较好、 成本更低的材料制的。
本发明的插座 200包括插座下盖 201和插座上盖 202 , 其中插座下盖 201和插座上盖 202相 互配合形成空腔体， 在插座上盖 202 的顶部设置有向下的插座凹槽 203 , 所述插座凹槽 203呈倒 置的多级圆形凸台结构， 使得该插座凹槽 203形成阶梯形结构， 其中该插座凹槽 203能够与插头 100 下部的圆凸台配合， 使其中在插座凹槽 203 的内底部上各个凸台面上分别设置有插座接触片 2 , 从而使插座接触片 1在插座凹槽 203 内形成同心圆环， 插座接触片 1 的个数与实际选择的两 线、 三线、 四线、 五线或者多线相适应， 同时与插头 100上的插头接触片 1 的个数相一致， 且形 状结构相同， 本例中选取三线为例， 分别为位于最内侧的第一插座接触片 208、 位于最外侧的第 三插座接触片 206 以及位于中间的第二插座接触片 207 , 当不设置保护装置时， 三个插座接触片 可通过插座导线 205连接于电源上， 当插头 100插入到插座 200上的插座凹槽 203内时， 插头接 触片 1 与插座接触片 2相配合， 从而可实现通电。 当需要设置保护装置时， 需要对通电线缆进行 切断， 但是当釆用三线时， 由于有一根线缆通常为接地线使用， 因此可直接与插座导线 205 连 接， 而另外两根线缆则分别连接于两个电源开关动触头 209上， 两个电源开关动触头 209上的端 部分别固定于插座下盖 201 的内壁， 该电源开关动触头 209可选用具有弹性的材料制成， 也可以 通过弹簧连接于下盖 201 的内壁， 使两个电源开关动触头 209始终保持向内合并或向外张开的趋 势， 在电源开关动触头 209 的另一端可与电源开关静触头 210 搭接通电， 其中电源开关静触头 210 固定于下盖 201 的内壁， 并通过插座导线 205与电源连接； 在电源开关动触头 209的靠近电 源开关静触头 210的一端上设置有轴头夹块 211 , 两个电源开关动触头 209上的轴头夹块 211相 互配合， 可用于夹住卡轴 104 , 且轴头夹块 211可被卡轴 104端头的永磁体 10吸住， 从而限制住 轴头 105 , 避免卡轴 10移动， 从而能够将插头 100限制于插座 200中， 因此轴头夹块 211刚好位 于插座凹槽 203底部的插座通孔 204下方， 使卡轴 10的轴头 105可从插座通孔 204中穿过， 并行 至轴头夹块 211下表面， 轴头夹块 211可夹紧轴头 105的后端， 并被永磁体 109吸住， 避免卡轴 10继续移动。 在电源开关动触头 209的远离电源开关静触头 210的一端上设置有释放夹块 217 , 两个电源开关动触头 209上的释放夹块 217可相互配合， 用于夹紧释放销轴 212的端头， 其中释 放销轴 212穿过插座上盖 202 , 且可相对于插座上盖 202移动， 其中在释放销轴 212的端头上设 置有释放轴头 216 , 释放轴头 216呈半圆形弹头或者锥形等多种结构， 便于释放轴头 216伸入到 两个释放夹块 217之间的孔内， 当释放销轴 212向下移动， 使释放轴头 216插入到两个释放夹块 217之间， 可将两个释放夹块 217分开， 从而使两个电源开关动触头 209相互远离， 在释放轴头 216上套有释放弹簧 216 , 并在释放轴头 216后端的释放销轴 212上设置有定位板 215 , 所述定位 板 215将释放弹簧 216限制于插座上盖 202 内顶部之间， 在释放销轴 212的顶部上还设置有释放 钮 21 3 , 便于进行操作。
如图 6所示， 本发明的插头插座在使用时， 将插头 100 的下底部对准并插入到插座凹槽 203 内， 此时作用力于插座上盖 202顶部， 插座上盖 202压缩插头弹簧 103 , 卡轴 104的下端插入插 座凹槽 203 内底部的插座通孔 204 , 且卡轴 104下端的夹紧轴头 105深入到轴头夹块 211下方， 两个轴头夹块 211此时夹紧于卡轴 104上， 并被永磁体 109吸住， 两轴头夹块 211在电源开关动 触头 209的弹性作用下合拢， 此时插头接触片 1与插座接触片 1相互贴合， 并被压紧于插头 100 的下部与插座凹槽 203 之间， 电源开关动触头 209 与电源开关静触头 210 搭接在一起可进行通 电， 同时插头 100不能与插座 200之间发生相对移动， 使插头 100不能从插座 200中脱落， 可避 免人为操作触电等事故发生， 能够保证使用的安全； 当需要将插头 100从插座 200 中取出时， 作 用力于释放钮 21 3上， 此时释放销轴 212的肩部压缩释放弹簧 214 , 释放销轴 212端部的释放轴 头 216 进入到两个释放夹块 217之间， 并且定位板 215 贴于两个释放夹块 217 的上表面进行定 位， 释放轴头 216的直径大于两个释放夹块 217之间的孔的直径， 因此释放轴头 216插入到两个 释放夹块 217之间的孔内时， 能把释放夹块 217向两侧抵开， 从而使两个电源开关动触头 209的 端部分别与电源开关静触头 210分开， 从而断绝了向插头 100通电， 此时， 两个电源开关动触头 209上的轴头夹块 211被分开， 对卡轴 104的作用力消失， 卡轴 104以及插座上盖 202此时受到 插头弹簧 103 的弹力作用， 使卡轴 104 随插座上盖 202 —起相对于插头下盖 101 移动， 使卡轴 104 的下端部的轴头 105从两个释放夹块 217 中迅速缩回， 使插座 200取消了对插头 100 的限 制， 可将插头 100可以从插座 200中取出， 从而实现了对卡轴 104的释放； 插头 100从插座 200 中取出后， 取消作用于释放钮 21 3上的力， 在释放弹簧 214的弹力作用下， 释放销轴 212以及释 放轴头 216恢复到原位。 本发明的插头插座， 当插座凹槽 203的内底部上有杂物时， 插头 100的 下部无法与插座凹槽 203的内底部对齐， 此时卡轴 104发生了倾斜， 卡轴 104端头上的轴头 105 的后端面也就无法移动至轴头夹块 211 下表面， 也就无法将插头 100锁紧， 插头接触片也就无法 与插座接触片完全贴合， 电源开关动触头 209与电源开关静触头 210之间也就不能搭接在一起通 电， 从而保证了使用安全。 本发明的插头插座， 结构简单、 操作简便， 釆用了接触片之间釆用平 面接触， 使插头插座同体积的情况下， 接触面积增加， 电流传输能力增大， 接触永远可靠， 使用 次数越多越可靠； 接触电极做成圆环形结构， 使插头可在插座上旋转， 使得插头可随使用的方便 任意角度的转动， 而对引线不造成任意的扭曲， 增加了其使用性能； 接触片釆用价格低廉， 导电 性好的铜材料， 用材减少， 降低了成本； 在插座中设置安全保护结构， 当人手能够触到接触电极 时， 该插头插座绝对处于断电状态， 只能人手完全无法触到接触电极时， 才能通电， 使用极为安 全。
实施例 2 , 如 8所示， 本实施例与实施例 1相似， 其不同之处在于： 插头下盖 101 的下部为 一平面， 因此插头接触片 1布置于插头下盖 101的底面上， 当釆用三线时， 三个插头接触片 1以 插头下盖 101 的中心形成同心环结构， 其中第一插头接触片 108位于同心圆环的最内圏， 第三插 头接触片 106位于同心圆环的最外圏， 第二插头接触片 107位于同心圆环的中间圏， 其中插头下 盖 101的底面中心为可供卡轴 104伸出和缩回的通孔。 所述插座凹槽 203的内底部为中间具有插 座通孔 204的平面底凹槽， 该平面底凹槽能于插头下盖 101的底面配合， 其中插座接触片 1布置 于插座凹槽 203的内底部上， 并以该插座凹槽 203中心呈同心圆环结构， 插座接触片 2与插头接 触片 1 的个数相同， 形状结构相同， 当釆用三线时， 分别为位于最内侧的第一插座接触片 208、 位于最外侧的第三插座接触片 206 以及位于中间层的第二插座接触片 207 , 当插头 100使用到插 座 200时， 使得三个插头接触片 1能分别与三个插座接触片 2相互配合进行输电。
实施例 3， 如图 10和图 11所示， 本实施例与实施例 2相似， 其不同之处在于： 所述插头接 触片 1布置于插头下盖 101的底面上， 但所述插头接触片 1在插头下盖 101的底面上不是布置成 多圏的同心圆环， 而是将多个插头接触片 1 均布于同一圆环上， 使插头接触片 1呈扇面形结构， 在同一圆环上， 相邻两个插头接触片 1 之间的间隙也为扇面形结构， 也即形成扇面形的凸座 115 , 其中凸座 115的面积与插头接触片 1的面积相同， 在当釆用三线时， 三个插头接触片 1以插 头下盖 101 的中心均布在同一圆周环上， 其中插头接触片 1 中间隔有面积相同的凸座 115 , 而该 圆周环的中心为可供卡轴 104伸出和缩回的通孔。 同理， 在所述插座凹槽 203的内底部以插座凹 槽 203 中心的同一圆周环上均匀分布有插座接触片 2 , 插座接触片 1 与插头接触片 1 的个数相 同， 形状结构相同， 插头 100与插座 200之间相对转动时， 插座接触片 2与插头接触片 1之间能 够想不配合进行输电， 当插座接触片 2与插头 100上的凸座 115对齐时， 不能供电， 避免发生安 全事故， 当然为了避免插头与插座之间相对转动， 插头 100上的凸座 115对齐， 可以在插座凹槽 203 的侧壁上设置限位块， 能够限制插头 100 进一步转动的角度， 从而避免插头插座在使用过程 中突然停电。
实施例 4 , 如图 9 所示， 本实施例与实施例 1、 实施例 2相似， 其不同之处在于： 插头下盖 101 的下部为倒置的圆锥台结构， 在该圆锥台结构的底面为供卡轴 104 伸出和缩回的通孔， 所述 插头接触片 1倾斜地布置于插头下盖 101 圆锥面上， 且倾斜方向与插头下盖 101 圆锥面同向； 当 釆用三线时输电时， 三个插头接触片 1 以插头下盖 101 的中心形成同心环结构， 且三个插头接触 片 1在竖直方向上分别呈上中下分布， 其中第一插头接触片 108位于同心圆环的最内圏， 也即位 于竖直方向的最下层； 第三插头接触片 106 位于同心圆环的最外圏， 也即位于竖直方向的最上 层； 第二插头接触片 107 位于同心圆环的中间圏， 也即位于竖直方向的中间层。 同理， 所述插座 凹槽 203呈倒置的圆锥台凹槽， 使插头下盖 101的下部侧壁能与插座凹槽 203的侧壁相互贴合， 其中该插座凹槽 203的底部为插座通孔 204 , 便于卡轴 104穿过其中， 其中插座接触片 1布置于 插座凹槽 203的侧壁上， 也即布置于倾斜的圆锥面上， 所述插座接触片 1以该插座凹槽 203中心 呈同心圆环结构， 插座接触片 1 与插头接触片 1 的个数相同， 形状结构相同， 当釆用三线输电 时， 形成三个同心圆环， 在竖直方向上形成上中下三层结构， 其中第一插座接触片 208 位于同心 圆环的最内侧， 也即竖直方向的最下层； 第三插座接触片 206 位于同心圆环的最外侧， 也即竖直 方向的最上层； 第二插座接触片 207位于第一插座接触片 208与第三插座接触片 206之间， 也即 竖直方向上的中间层， 当插头 100使用到插座 200时， 使得三个插头接触片 1能分别与三个插座 接触片 2相互配合进行输电。
根据上述四个实施例可知， 本发明主要改变接触片之间的接触方式， 接触片之间釆用平面接 触， 使插头插座同体积的情况下， 接触面积增加， 电流传输能力增大， 接触永远可靠， 使用次数 越多越可靠； 接触电极做成圆环形结构， 使插头可在插座上旋转， 使得插头可随使用的方便任意 角度的转动， 而对引线不造成任意的扭曲， 增加了其使用性能。 因此根据上述实施例可知， 接触 片主要安装于插头 100 与插座 200之间接触面上， 也即插头接触片 1 布置于插头 100 的接触面 上， 插座接触片 1布置于插座 200的接触面上， 因此插头 100与插座 200之间的接触面可为多种 结构方式， 例如插头 100的下部与插座 200上的插座凹槽 300的接触面的截面， 可以为弧形、 矩 形、 梯形或者其它多种几何形状， 使得插头 100的下部可与插座凹槽 300配合， 且接触片可在二 者的结合处形成面接触即可； 接触片的形状也可以釆用多种结构形状， 上述实施例釆用平面同心 圆环结构， 当然才艮据实际需要， 可与将接触片制成非平面的其它结构， 例如截面呈弧形、 梯形、 V 字形、 U 字形等多种同心圆环的结构， 当然也可以釆用非圆环形结构， 例如椭圆环、 梯形环、 矩 形环等多种结构； 上述实施例中釆用插头 100上具有突出部， 插座 200上具有凹陷部， 当然才艮据 实际需要， 也可以将插头 100制成凹陷部， 而插座 200制成突出部； 上述实施例中， 插头 100与 插座 200的固定机构为卡轴 104与轴头夹块 211配合， 将插头 100限制于插座 200内； 当然根据 实际的需要， 也可以釆用卡扣、 螺紋、 倒扣等多种方式， 以使插头 100 与插座 200 之间相对固 定。 上述实施例与举例可任意交换或者配合使用， 以满足实际需要为宜。
实施例 5 , 如图 12所示， 本发明的插头， 该插头本体呈倒置的圆锥台结构， 在插头本体的底 部中心布置有插头凸头 113 , 该插头凸头 113呈圆柱形凸头， 使得整个插头 100的半剖面呈 "Y" 形结构， 在插头 100 的下表面， 也即该圆锥台的圆锥面上布置有插头接触片 1 , 同时在圆柱形插 头凸头 113 的圆周壁上也布置有插头接触片 1 , 当插头为两线通电时， 一个插头接触片 1 布置于 圆锥面上， 而另一插头接触片 1 布置于圆柱形插头凸头 113 的圆周壁上； 当插头釆用三线通电 时， 可在插头 100 的圆锥形下表面上布置一个插头接触片 1 , 而圆柱形插头凸头 113的圆周壁上 布置两个插头接触片 1 , 或者在插头 100的圆锥形下表面圆上布置两个插头接触片 1 , 而在圆柱形 插头凸头 113的圆周壁上布置一个插头接触片 1 ; 本例中釆用三线通电时， 在插头 100的圆锥形 下表面上布置两个插头接触片 1 , 分别是第三插头接触片 106和第二插头接触片 107 , 并呈同心圆 环结构， 其中第三插头接触片 106位于外圏， 而第二插头接触片 107位于内圏， 在竖直方向上， 第三插头接触片 106位于上上方， 而第二插头接触片 107位于下方， 同时在圆柱形插头凸头 113 的圆周壁上布置一个插头接触片 1 , 也即第一插头接触片 108 包裏于插头凸头 113的圆周面上， 其中第一插头接触片 108、 第二插头接触片 107和第三插头接触片 106分别通过插头导线 110与 用电器具连通； 当插头釆用四线或者多线通电时， 可以根据实际需要， 在插头 100 的圆锥形下表 面或者圆柱形插头凸头 113的圆周壁上， 选择布置个数， 可任意布置。 在安装插头接触片 1 的下 方的插头凸头 113上， 设置有圆环槽 114 , 该圆环槽 114便于与弹簧块 220配合， 限制住插头 100 避免其脱落； 该圆环槽 114以插头凸头 113中心为中心的圆周壁上， 插头凸头 113端头上为球头 形或者呈圆锥形的轴头 105 , 便于引导插头凸头 113插入到插座 200中。
本发明的插座， 在插座 200的顶部设置有插座凹槽 203 , 在插座凹槽 203 的内底部中心设置 有插座通孔 204 , 所述插座凹槽 203呈倒置的圆锥台凹槽， 能与插头 100的圆锥台形的下表面贴 合， 插座通孔 204 为圆柱形通孔； 其中在圆锥台形的插座凹槽 203 内侧壁上设置插座接触片 2 , 同时在插座通孔 204的内侧壁上布置插座接触片 2 , 当插座 200为两线通电时， 可在插座凹槽 203 内侧壁上以及插座通孔 204 的内侧壁上分别布置插座接触片 2 , 当插座 200为三线通电时， 可在 插座凹槽 203 内侧壁上布置两个插座接触片 2 , 而在插座通孔 204 的内侧壁上布置一个插座接触 片 2 , 或者在插座凹槽 203内侧壁上布置一个插座接触片 2 , 而在插座通孔 204的内侧壁上布置两 个插座接触片 2 , 可根据实际需要进行布置， 本例中， 釆用三线通电， 并在插座凹槽 203 内侧壁 上布置两个插座接触片 2 , 分别为第三插座接触片 206 和第二插座接触片 207 , 并呈同心圆环布 置， 第三插座接触片 206位于外圏， 第二插座接触片 207位于内圏， 在竖直方向上， 第三插座接 触片 206位于上方， 第二插座接触片 207位于下方， 在插座通孔 204的内壁上设置有第一插座接 触片 208 ; 当插座 200釆用四线或者多线通电时， 可以根据实际需要， 在插座 200的插座凹槽 203 内侧壁上或者插座通孔 204的圆周壁上， 选择布置个数， 可任意布置。 在插座通孔 204的内侧壁 的第一插座接触片 208 下方设置有弹簧块 220 , 弹簧块 220 在弹簧的弹力作用下露出插座通孔 204 , 该弹簧块 220能与插头凸头 113上的圆环槽 114配合， 在插座通孔 204的下方设置有弹板 218 , 弹板 218的下方设置有弹板弹簧 219 , 并通过弹板弹簧 219连接于插座 200的内底部， 该弹 板弹簧 219给予弹板 218始终向上的弹力， 在弹板 218的端部设置有电源开关动触头 209 , 该电 源开关动触头 209的下方设置有电源开关静触头 210 , 电源开关静触头 210 固定于插座 200 上， 电源开关静触头 210 通过插座导线 205 连接于电源上， 而电源开关静触头 210 则通过插座导线 205与插座接触片 1连接， 本例中釆用插座 200中， 釆用三线通电时， 将插座 200中的两个插座 接触片 1通过插座导线 205与电源开关静触头 210连接， 而另一插座接触片 1则直接通过插座导 线 205连接于电源上， 电源开关动触头 209与电源开关静触头 210为常开状态， 因此可通过控制 电源开关动触头 209与电源开关静触头 210之间的接触， 控制插座的通电与否， 起到通电保护的 作用， 在插座 200 的内底部设置有过水孔 221 , 便于将插座 200 内的水排出。 同时， 电源开关动 触头 209 可釆用双金属片 300 制成， 也即釆用釆用可通电的两层金属片制成， 包括第一金属片 301和第二金属片 302, 两层金属片分别釆用热膨胀系数不同的两种材料制成， 当两层金属片受热 时发生变形， 由于热膨胀系统不同， 两层金属片发生形变的量就有所不同， 因此本发明将该原理 设计到插座中， 当电源开关动触头 209 上通过的电流过大， 超出预定安培数时， 电源开关动触头 209 发热到一定程度， 就发生形变， 双金属片 300 的下层金属片相对于上层金属片的膨胀变形较 大， 从而弹开电源开关动触头 209与电源开关静触头 210之间的连接， 实现过载保护， 从而有效 地避免过流传输时发热烧坏插座甚至发生火灾。
本例中的插头插座， 需要使用时， 将插头 100对准插座 200上的插座凹槽 203 , 将插头凸头 113插入到插座通孔 204中， 使插头 100下表面的插头接触片 1与插座凹槽 203 内底部的插座接 触片 1相贴合， 插头凸头 113的轴头 105通过两个弹簧块 220继续下移， 弹簧块 220压缩其上的 弹簧， 当插头凸头 113继续下移， 弹簧块 220与圆环槽 114对齐时， 弹簧块 220在其上连接的弹 簧的作用下进入圆环槽 114 中， 并且卡入到圆环槽 114 中夹紧插头凸头 113 , 避免插头 100从插 座 200中脱落； 插头凸头 113在下移过程中， 插头凸头 113的端头首先接触弹板 218 , 并作用力 于弹板 218上， 弹板 218下移压缩弹板弹簧 219 , 弹板 218端头上的电源开关动触头 209 , 搭接于 电源开关静触头 210上实现插座 200的通电， 当插头 100从插座 200中拔出时， 弹板 218在弹板 弹簧 219的作用下， 使弹板 218恢复原位， 同时电源开关动触头 209与电源开关静触头 210的连 接关系分开， 使其保持常开状态， 因此当插座 200不使用时， 插座 200中的插座接触片 1是不带 电的， 当人手能够触到接触电极（也即插座接触片 2 ) 时， 该插头插座绝对处于断电状态， 只能 人手完全无法触到接触电极时， 才能通电， 使用极为安全， 即便是有金属插入到插座内的插座接 触片 2 上， 也不会发生短路或者是触电； 同时在插座中设置过流保护机构， 使其具有过流保护功 能， 能有效地避免过流传输时发热烧坏插座甚至发生火灾。
实施例 6 , 如图 13所示， 本发明的插头， 其下部呈倒置的圆锥台形结构， 在插头 100的下表 面上设置有插头接触片 1 , 插头接触片 1环绕于插头 100上， 且在插头 100的下表面形成同心圆 环形结构， 插头接触片 1 可设置于该圆锥台的圆锥面上或者圆锥台上， 根据需要设定， 当釆用两 线通电时， 一插头接触片 1 设置于圆锥面上， 另一插头接触片 1 设置于圆锥台面上， 也即插头 100的下底面上； 当釆用三线通电时， 可在圆锥台面上设置第一插头接触片 108 , 而在圆锥面上呈 同心圆布置有第三插头接触片 106 和第二插头接触片 107 , 其布置方式与上述实施例相似， 与此 同时， 在三个插头接触片 1之间的间隙处设置有磁铁 116 , 三个插头接触片 1 通过插头导线 110 与用电器具连接。 当釆用四线或者多线时， 可根据上述实施例中进行任意布置。
本发明的插座 200 , 其顶部设置有插座凹槽 203 , 该插座凹槽 203呈倒置的圆锥台形凹槽， 在 插座凹槽 203的锥面上设置有插座接触片 2 , 在插座凹槽 203的内底部也可设置插座接触片 2 , 根 据上述实施例中插座接触片 1 的布置方式， 呈同心圆环的方式进行布置， 在插座接触片 2之间的 间隙可设置磁铁， 从而使插头 100 上的磁铁与插座凹槽 203 中的磁铁进行相互吸引， 避免插头 100从插座 200中脱落， 本例中如其它实施例， 选用三个插座接触片 2 , 在插座凹槽 203的锥面上 布置有两个插座接触片 2 , 且呈同心圆环布置， 而在插座凹槽 203 的内底部中心设置有一个圆形 片状的插座接触片 2 , 当插头 100插入到插座 200的插座凹槽 203 内时， 插头接触片 1能够与插 座接触片 2相贴合， 进行传电。 在插座 100上通过弹板弹簧 119连接有弹板 218 , 该弹板弹簧 119 为压缩弹簧， 在弹板弹簧 219上始终具有弹力使弹板 218始终向插座 200边部或底部靠紧， 弹板 218的端部上设置有电源开关动触头 209 , 两个电源开关动触头 209分别通过插座导线 205连接于 电源上， 电源开关动触头 209 旁边设置有电源开关静触头 210 , 两个电源开关静触头 210分别与 插座上的两个插座接触片 2连通， 在弹板 218上设置有滑移式推推开关 222 , 本例中滑移式推推 开关 111设置于插座 200的侧壁上， 该滑移式推推开关 111的原理与压缩弹簧式圆珠笔上的压缩 开关相似， 也即在弹板 218 的中心安装圆柱形凸块， 凸块套于按钮键内， 按钮键从滑移套穿出插 座 200 , 其中滑移套固定于插座 200 侧壁上， 滑移套的内侧壁上设置有导槽， 在按钮键的端部外 侧壁上设置有导齿， 且在按钮键的该端面上设置为齿形结构， 按钮键的端面上配合有导向块， 导 向块的外壁上设置有与按钮键端面配合的齿形结构， 导向块套于圆柱形凸块上， 当需要使用插头 插座时， 需要插头插入到插座中时， 按下按钮键， 按钮键在滑移套内的导槽作用下， 按钮键端面 上的齿形结构与导向块外壁上的齿形结构相配合， 推动导向块移动， 导向块再作用力于圆柱形凸 块上， 推动弹板 218向远离插座 200侧壁方向移动， 使弹板 218两端的电源开关动触头 209紧贴 于电源开关静触头 210 , 当放松按钮键时， 弹板 218在弹板弹簧 219的作用下收拢， 并向插座 200 侧壁方向靠近， 同时带动弹板 218 上的圆柱形凸块移动， 此时按钮键端面配合的齿形结构与导向 块外壁上的齿形结构配合， 使按钮键移动， 按钮键受到插座 200 侧壁的限制不能移动， 而圆柱形 凸块边部上的齿形被按钮键端面的齿形限制， 从而使弹板 218 不再移动， 使电源开关动触头 209 与电源开关静触头 210 贴合通电。 当操作者再次对按钮键施加作用力， 按钮键通过其端面上的齿 形结构推动导向块移动， 导向块再推动弹板 218上的圆柱形凸块， 使弹板 218移动， 当放松按钮 键时， 弹板 218在弹板弹簧 219的拉力作用下， 向靠近插座 200侧壁的方向移动， 圆柱形凸块的 外壁上的导键再在导槽中滑移， 使弹板 218恢复原位， 从而使电源开关动触头 209与电源开关静 触头 210 分开实现断电， 因此可通过该滑移式推推开关 222 , 实现该插座内电极通电与否， 因此 当不按下按钮键时， 插座 200 中的插座接触片 1是不带电的， 当人手能够触到接触电极（也即插 座接触片 2 ) 时， 该插头插座绝对处于断电状态， 只能人手完全无法触到接触电极时， 才能通 电， 使用极为安全， 即便是有金属插入到插座内的插座接触片 2 上， 也不会发生短路或者是触 电； 同时在插座中可设置过流保护结构， 一方面可以釆用实施例 5 中的电源开关动触头 209 的双 金属片， 实现过流时的保护作用； 另外一方面根据磁铁的居里点时失去磁力的原理， 在设计插座 时， 根据实际需要选择插头 100 上的磁铁 116 的居里点， 当插头与插座中的电流过载时， 插头 100上的插头接触片 1与插座 200上的插座接触片 1相互贴合处发热， 从而使得插头接触片 1之 间的磁铁 116受热， 当温度达到一定时， 达到磁铁 116的居里点， 从而使磁铁 116失去磁性， 从 而使插头 100从插座 200中脱落， 实现了插座 200的过流保护。 使其具有过流保护功能， 能有效 地避免过流传输时发热烧坏插座甚至发生火灾。 同时可在插座 200的底部设置过水孔 221。
实施例 7， 如图 14所示， 本发明的插座与实施例 6中的插座 200相似， 其不同之处在于： 在 插座 200的侧壁上设置有双稳态推推开关 223 , 该双稳态推推开关 223连接于弹板 218上， 该双 稳态推推开关 223 包括按钮键和滑轨槽板， 滑轨槽板安装于弹板 218上， 且该滑轨槽板上设置有 滑轨槽， 该滑轨槽为倾斜的心形结构， 而按钮键上连接有滑块， 该滑块的四个方向上连接有弹 簧， 使其置于四个弹簧的中心， 当按下按钮键时， 按钮键作用力于滑块上， 滑块可在滑轨槽内移 动， 从而通过滑轨槽板推动弹板 218移动， 使电源开关动触头 209与电源开关静触头 210搭接实 现通电， 当放松按钮键时， 滑块在滑轨槽中滑至心形滑轨槽的中间心处， 从而使弹板 218 保持不 动； 当继续按下按钮键时， 滑块继续在滑轨槽内继续滑行， 退回到原始位置， 而弹板 218 在弹簧 的作用下恢复原位， 使电源开关动触头 209与电源开关静触头 210分开实现断电。
根据实施例 6和实施例 7的原理可知， 可在插座 200的侧壁上安装操控键， 控制弹板 218移 动， 使电源开关动触头 209与电源开关静触头 210搭接实现通电， 并保持通电状态， 而可继续作 用力于操控键上， 使弹板 218在弹板弹簧 219 的作用下恢复到原位， 从而让电源开关动触头 209 与电源开关静触头 210 分开实现断电， 该操控键主要实现下按通电， 再下按断电的功能， 可以根 据本发明的插座上的操控键设计其它结构形式的操控键， 从而保证插座 200 的使用安全， 当不按 下操控键时， 插座 200 中的插座接触片 1是不带电的， 当人手能够触到接触电极（也即插座接触 片 2 ) 时， 该插头插座绝对处于断电状态， 只能人手完全无法触到接触电极时， 才能通电， 使用 极为安全， 即便是有金属插入到插座内的插座接触片 2上， 也不会发生短路或者是触电。
实施例 8 , 如图 15和图 16所示， 本例中的插头 100的结构与实施例 6的插头结构相同， 插 座 200中的插座凹槽 203与其中的插座接触片 1布置方式也与实施例 6中的插座结构相同， 其中 在插座 200的插座凹槽 203下方设置有弹板 218 , 该弹板 218可釆用磁铁或者铁质材料制成， 而 弹板 218通过弹板弹簧 219连接于插座 200的底部， 使弹板 218处于收缩状态， 在弹板 218的两 端上设置有能与电源开关静触头 210配合的电源开关动触头 209 , 该电源开关动触头 209通过插 座导线 205连接于电源上， 当插头 100插入到插座 200中的插座凹槽 203时， 插头 100上的磁铁 通过吸力吸住弹板 218 , 弹板 218上移从而使弹板 218的两端上的电源开关动触头 209与电源开 关静触头 210搭接通电， 插头插座中通过的电流过载时， 插头接触片 1发热， 使插头 100上的磁 铁被传热， 当温度达到居里点时， 立马失去了磁性， 弹板 218在弹板弹簧 219 的作用下恢复到原 位， 从而使电源开关静触头与电源开关动触头 209 之间的连接断开而实现断电， 从而起到了插头 插座的电流过载保护， 当人手能够触到接触电极时， 该插头插座绝对处于断电状态， 只能人手完 全无法触到接触电极时， 才能通电， 使用极为安全， 即便是有金属插入到插座内的接触片上， 也 不会发生短路或者是触电； 同时在插座中设置过流保护结构， 使其具有过流保护功能， 能有效地 避免过流传输时发热烧坏插座甚至发生火灾。
实施例 9， 如图 17和图 18所示， 该实施例与实施例 8相似， 其不同之处在于： 插头 100底 面为平面， 插头 100底面上的插头接触片 1 为三个， 分别为第三插头接触片 106、 第二插头接触 片 107和第一插头接触片 108 , 且呈同心圆环结构， 其中第三插头接触片 106和第二插头接触片 107 均为片状圆环， 而第一插头接触片 108位于最内圏， 该第一插头接触片 108 为圆锥形结构， 且第一插头接触片 108 的截面为 "V" 形结构； 插座 200 上的插座凹槽 203为平底凹槽， 在插座 凹槽 203中最内圏的第一插座接触片 208与第一插头接触片 108的结构相同的圆锥形第一插座接 触片 208。
实施例 10， 如图 19、 图 20和图 21所示， 本例与实施例 8、 实施例 9相似， 其不同之处在 于： 所述插头 100底面为平面， 插头 100底面上的插头接触片 1为三个， 分别为第三插头接触片 106、 第二插头接触片 107和第一插头接触片 108 , 且均为片状金属片， 呈同心圆环形布置， 其中 第一插头接触片 108位于最内圏， 而第三插头接触片 106则位于最外圏， 第二插头接触片 107则 位于外圏与内圏之间。 同理插座 100 内的插座凹槽 203为平底凹槽， 且三个插座接触片 1均为片 状金属片， 且呈同心圆环形布置。
实施例 11 , 如图 7所示， 本发明的插头插座中的过流保护机构， 主要是釆用双金属片 300制 成电源开关动触头 209 , 双金属片 300主要由第一金属片 301和第二金属片 302制成， 其中第一 金属片 301 和第二金属片 302 分别釆用热膨胀系数不同的两种材料制成， 当收热发生碰撞变形 时， 其中一个金属片的变形大于另一个金属片， 从而使得电源开关动触头 209 与电源开关静触头 210分开， 实现断电， 起到过流保护的作用。
实施例 12， 如图 22所示， 本发明的插头插座， 其中的电极的通电中控制电源开关动触头 209 与电源开关静触头 210搭接的开合机构， 可釆用塑料弹簧 224制成， 其中该塑料弹簧 224的尾部 釆用塑料材料制成的圆环片结构， 且具有较好的弹性， 可使其扩张， 且该圆环片固定于插座 200 上， 在圆环片的两端上分别连接有电源开关动触头 209 , 且两个电源开关动触头 209 分别连接到 插座接触片 1上， 其中电源开关动触头 209与电源开关静触头 210可相对配合， 当釆用扩张轴头 伸入到塑料弹簧 224尾部的圆环片中， 使圆环片发生扩张， 使电源开关动触头 209与电源开关静 触头 210 相互搭接， 从而实现通电， 当扩张轴头从圆环片中取出时， 圆环片恢复原状， 从而使电 源开关动触头 209与电源开关静触头 210之间分开， 从而实现断电， 电源开关动触头 209也可以 釆用双金属片实现过流保护。
本发明并不局限于前述的具体实施方式。 本发明扩展到任何在本说明书中披露的新特征或任 何新的组合， 以及披露的任一新的方法或过程的步骤或任何新的组合。

Claims

权 利 要 求 书
1. 釆用面接触的插头插座， 包括相互匹配的插头 （100 ) 与插座（ 200 ) , 其特 征在于： 所述插头（100 )的下表面布置有与插头导线（110 )连接的插头接触片
( 1 ) ,所述插座（ 200 )上表面布置有与插座导线（ 205 )连接的插座接触片（ 2 ) , 其中插头 （100 ) 与插座（ 200 )之间配合时， 所述插头接触片 （1 )从竖直方向 和 /或倾斜方向贴于插座接触片 （2 )上形成面接触通电。
2. 如权利要求 1所述的釆用面接触的插头插座， 其特征在于： 所述插座（ 200 ) 上设置有插座凹槽（ 203 ) , 其中所述插头 （100 ) 的下部与插座凹槽（ 203 ) 的 腔体分别为相互匹配的上大下小的凸台与凹槽， 所述插头接触片 （1 )布置于插 头 （100 ) 的凸台面和 /或凸台的斜侧壁上， 所述插座接触片 （2 )布置于插座凹 槽（ 203 ) 的内台面和 /或内斜侧壁上。
3. 如权利要求 2所述的釆用面接触的插头插座， 其特征在于： 所述插头 （100 ) 的下部与插座凹槽（ 203 ) 的腔体呈倒置的圆锥形、 倒置的圆锥台形、 倒置的分 级圆台形或者倒置的分级圆锥台形， 所述插头接触片 （1 )均布于插头（100 )的 下台面、 或者呈同心圆环的方式布置于插头（ 100 )的下台面和 /或锥面上， 所述 插座接触片 （2 )均布于插座（ 200 )的下台面、 或者呈同心圆环的方式布置于插 座（ 200 ) 的内台面和 /或内锥面上。
4. 如权利要求 1至 3之一所述的釆用面接触的插头插座， 其特征在于： 所述插 头（ 100 )和 /或插座（ 200 )上设置有定位固定机构、 过流保护机构和 /或电源安 全开关； 其中定位固定机构使插头（ 100 )与插座（ 200 )之间可相对转动而不脱 离， 保持插头接触片 （ 1 )与插座接触片 （ 2 )的面接触； 当插头插座内的电流过 大时， 过流保护机构自动断开通电； 其中电源安全开关使插头 （ 100 )插入插座
( 200 )时， 插座（ 200 )处于通电状态， 插头（100 )未插入插座（ 200 )或未插 到位时， 插座（ 200 )处于断电状态。
5. 如权利要求 4所述的釆用面接触的插头插座，其特征在于：在所述插座（ 200 ) 内设置有电源开关动触头（ 209 )与电源开关静触头（210 ) , 其中电源开关动触 头（ 209 )连接于插座接触片（ 1 )或插座导线（ 205 )上， 而电源开关静触头（ 210 ) 相应地连接于插座导线（ 205 )或插座接触片 （ 2 )上； 所述电源安全开关主要在 推移键的作用下使电源开关动触头（ 209 )发生移动，并与电源开关静触头（ 210 ) 搭接通电或分开断电； 所述过流保护机构主要是当插头插座内的电流过大时，将 电源开关动触头 （ 209 ) 与电源开关静触头 （210 )分开断电。
6. 如权利要求 5所述的釆用面接触的插头插座， 其特征在于： 所述推移键设置 为弹板（ 218 ) , 所述弹板（ 218 )通过弹板弹簧（ 219 )连接于插座（ 200 )上， 所述电源开关动触头 （ 209 )设置于在弹板（218 ) 的端部或弹板（218 ) 的移动 方向上， 所述电源开关静触头（210 )设置于电源开关动触头（ 209 )的移动方向 上， 所述弹板（218 )在操控键的作用下带动电源开关动触头（ 209 )移动， 使电 源开关动触头（ 209 )与电源开关静触头（210 )搭接通电或分开断电； 或者所述 推移键为设置于插头（ 100 )上的卡键与设置于电源开关动触头（ 209 )上的扣键， 卡键出入扣键的过程中， 使电源开关动触头 （ 209 ) 的端部发生移动， 使其与电 权 利 要 求 书
源开关静触头 （210)搭接通电或分开断电。
7. 如权利要求 6所述的釆用面接触的插头插座， 其特征在于： 所述操控键设置 为连接于弹板（ 218 )上并穿过插座（ 200 )侧壁的推推开关； 或者所述操控键为 设置于插头 （ 100 ) 内的磁铁（ 116 ) , 所述磁铁（ 116 )可吸住插座凹槽（ 203 ) 下方的弹板（ 218 )； 或所述操控键为设置于插头（ 100 )底部的插头凸头（ 113 ) , 所述插头凸头 （113) 的端头可从插座凹槽（ 203 ) 内底部的插座通孔（ 204 ) 穿 过， 抵于插座通孔（ 204 ) 下方的弹板（218)上。
8. 如权利要求 5或 6或 7所述的釆用面接触的插头插座， 其特征在于： 所述过 流保护机构主要是将电源开关动触头 （ 209 )和 /或电源开关静触头 （210)釆用 双金属片 （ 300 )制成， 其中双金属片 （ 300 ) 包括釆用热膨胀系数不同第一金属 片 （301) 与第二金属片 （ 302 ) , 使双金属片 （ 300 ) 受热变形时， 其一金属片 的膨胀量大于另一金属片的膨胀量， 将电源开关动触头 （ 209 ) 与电源开关静触 头 （210)分开断电； 或者所述过流保护机构主要是设置于插头 （100)和 /或插 座（ 200 ) 内的磁铁（ 116 ) , 当插头插座内电流过大， 发热传递至磁铁 (116) 的温度达到居里点时，磁铁（ 116 )失去磁力，插座凹槽（ 203 )下方的弹板（ 218 ) 在弹板弹簧（219)的作用下恢复原位， 使电源开关动触头（ 209 )与电源开关静 触头 （210)分开断电。
9. 如权利要求 4至 8之一所述的釆用面接触的插头插座， 其特征在于： 所述定 位固定机构由在插头（100)和 /或插座（ 200 )内设置的磁铁 (116),使插头（100) 与插座（ 200 )之间相互吸引不脱离而可相对转动组成； 或者所述定位固定机构 由在插头 （100)或插座（ 200 )上设置的卡键， 以及相应地在插座（ 200 )或插 头 （100)上设置的扣键， 卡键与扣键相互配合， 使插头 （100) 与插座（ 200 ) 之间不脱离而可相对转动组成； 或者所述定位固定机构由将插头 （100)套于插 座（ 200 ) 内或将插头 （100)套于插座（ 200 )外可相对转动而成。
10. 如权利要求 6或 9所述的釆用面接触的插头插座， 其特征在于： 所述卡键为 设置于插头（ 100 )上的可伸缩移动的卡轴（ 104 ) ,扣键为设置于插座凹槽（ 203 ) 内底部插座通孔（ 204 ) 下方的夹持机构， 该夹持机构由设置于电源开关动触头 ( 209 )上的轴头夹块（211)组成， 两个电源开关动触头 （ 209 )上的轴头夹块 (211)可相互配合夹住卡轴（104) 的端头， 其中电源开关动触头 （ 209 )设置 为弹性金属片或者设置有回位弹簧， 并在电源开关动触头 （ 209 )上设置有释放 夹块（217) , 在释放夹块（217) 的上方设置有穿出插座（ 200 )并可伸缩移动 的释放销轴（212) , 所述释放销轴（212) 的端头插入两释放夹块（217)之间 时， 两电源开关动触头 （ 209 ) 的端部发生移动， 使其与电源开关静触头 （210) 被分开断电， 两轴头夹块（211)释放对卡轴（104) 的端头的夹持。
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EP2928023A4 (en) 2016-07-06
EP2928023A1 (en) 2015-10-07
US9685742B2 (en) 2017-06-20
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RU2015120703A (ru) 2017-01-10
HUE043036T2 (hu) 2019-07-29
KR20150090236A (ko) 2015-08-05
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CN103066442B (zh) 2015-10-21
KR101796847B1 (ko) 2017-11-10
JP2015535652A (ja) 2015-12-14

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