CN205595558U

CN205595558U - Power supply connection device

Info

Publication number: CN205595558U
Application number: CN201620469245.3U
Authority: CN
Inventors: 叶舟
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-20
Filing date: 2016-05-20
Publication date: 2016-09-21
Anticipated expiration: 2026-05-20

Abstract

The utility model provides a pair of power supply connection device, including socket and plug, the socket includes concave shell, spring assembly, interior disc shaft, inner disc and power base, the plug includes shell, lower shell, interior mesochite and plug pipeline device, presses down the shell downwards, drives shell downstream down, follow the bottom of plug pipeline device stretch out among the three plug aperture side by side that the bottom of shell set up down, and insert in the three inner disc hole side by side of setting on the inner disc, with piecing devices are connected, the switch on. The utility model discloses in the time of among the well plug insert the plug, can do not not bumped or bumped the pine easily, avoided the problem of appear getting an electric shock, extracted easily extracting shi yeneng to when the plug was out of work, L line plug, N line plug and ground wire plug were located inside the plug, avoid the water droplet on it, prevent the potential safety hazard that burns out socket, plug and electrical apparatus with taking water cutting head to inject to appear in the socket.

Description

A kind of power supply connecting device

Technical field

This utility model relates to power connector field, particularly to a kind of power supply connecting device.

Background technology

Increasing along with electrical appliance, the use frequency of plugs and sockets is also continuously increased.Existing slotting Head and socket exist to be inserted the tightest, it is not easy to the problem coming out of the socket plug, or plug is at socket In insert the most loose, easily extract the problem occurring getting an electric shock, there is also plug when not socket, plug Exposed the water capacity easily drops in above outside, occurs burning out power supply and electric socket when Potential safety hazard.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of power supply connecting device, effectively solves Easily get an electric shock present in existing power supply attachment means, burn out power supply and burn out the potential safety hazard of electrical equipment.

The technical scheme that this utility model solves above-mentioned technical problem is as follows:

A kind of power supply connecting device, including socket and plug, described socket include recessed shell, be fixed on recessed Spring assembly bottom enclosure, can along the inner disc bar that described spring assembly moves, be fixedly installed on The inner disc in described inner disc masthead portion and at the bottom of being fixedly installed on the power supply of described recessed housing exterior bottom part down Seat；It is provided with three interior disk hole side by side on described inner disc, and is positioned at the inside of described recessed shell, described Recessed enclosure is provided with piecing devices, and the side of described power supply base connects external power source circuit, institute State external power source circuit and pass side and the bottom of recessed shell of described power supply base, with described piecing devices Weld together；

Described plug includes shell, lower casing, interior mesochite and plug line device, described lower casing Bottom be provided with three plug holes side by side, described interior mesochite is by flexible connection piece and described upper shell It is fixed together, and by two unsettled inside being positioned at described lower casing of fore shaft locking plate device, institute State interior mesochite to slide up and down inside described lower casing also by two interior mesochite slide rod device, described lower outside The upper end of shell is located at the inside of described upper shell, and the lower end of described interior mesochite is positioned at described lower casing Portion；Described plug line device is fixedly installed on the bottom of described interior mesochite, its top through described interior in The top of shell is connected with outside line；

Pressing down on shell, drive lower casing to move downward, the bottom of described plug line device is from institute Three plug holes side by side of the bottom setting stating lower casing stretch out, inserts three arranged on described inner disc In individual interior disk hole side by side, described inside turn turn 90 degrees, and the bottom of described junction block line apparatus is with described Piecing devices are close together, power on.

Further, described recessed shell is the cylinder of a hollow, be provided with side by side bottom it L wire terminal hole, N wire terminal hole and three, earth connection point hole nipple orifice, parallel the extending internally in its top is fixedly installed ring Shape edge piece；Described L wire terminal hole and N wire terminal hole are symmetricly set on the both sides of described recessed outer casing bottom, Earth connection point hole is arranged on the centre position of described recessed outer casing bottom.

Use the beneficial effect of above-mentioned further scheme: facilitate L line to transmit joint, N line transmit joint with And ground wire transmits joint and pierces into from described nipple orifice, and erection joint device.

Further, described spring assembly includes spring pedestal and the tension spring of circular arc, described extension One end of spring is fixed on one end of described spring pedestal, and the other end extends to another of described spring pedestal Holding and be fixed on the bottom of described inner disc bar, described inner disc bar fixes described tension spring to spring pedestal Described tension spring can be compressed during one end motion.

Use the beneficial effect of above-mentioned further scheme: described inside turn turn 90 degrees under external force, Described inner disc drives described inner disc bar to move to the another of described spring pedestal from one end of described spring pedestal One end, and extrude described tension spring.

Further, described inner disc is disc stereochemical structure, and three interior disk hole side by side that it is arranged are divided Wei disk hole in disk hole and ground wire plug in disk hole, N plug in L plug；Described inner disc is not rotating In Shi Suoshu ground wire plug, disk hole correspondence is positioned at the surface in described earth connection point hole；Under external force, Described inside turn turn 90 degrees, and drives described inner disc bar to move to the other end from one end of described spring pedestal, In described L plug, in disk hole, N plug, in disk hole and ground wire plug, disk hole correspondence respectively is positioned at L line and connects Head bore, N wire terminal hole and the surface in earth connection point hole.

Use the beneficial effect of above-mentioned further scheme: described plug line device is inserted in described L plug In disk hole, N plug in disk hole and ground wire plug after disk hole, described inside turn is turn 90 degrees, make described The L wire terminal hole of bottom setting of plug line device present position and described lower casing, earth connection point hole And straight line parallel residing for the nipple orifice of three, N wire terminal hole, facilitate described plug line device to connect L line Transmit joint, N line transmits joint and ground wire transmits joint, and then switches on power.

Further, described piecing devices include that L bank shape bayonet apparatus, L line transmit joint, N bank shape Bayonet apparatus, N line transmit joint, rotate wheel, rotating seat and ground wire transmission joint；Described L bank Shape bayonet apparatus and N bank shape bayonet apparatus are symmetricly set on the both sides of described recessed enclosure, and difference Correspondence is positioned at the surface in described L wire terminal hole and N wire terminal hole；Described rotating seat is a cylinder The conductive structure of cavity, is fixedly installed on the centre position of described recessed outer casing bottom, described earth connection point hole Being positioned at the cavity inside of described rotating seat, described rotation wheel downwardly extends for disk hole in described ground wire plug A cylindrical empty cavity configuration, the upper end of described rotating seat is outside and described rotate inside wheel lower end seamless Gap fits together；Conductive copper powder is all scribbled on the described inner side rotating wheel；Described ground wire transmission joint, L line transmission joint and N line transmission joint are inside described power supply base, and correspondence is through describedly respectively Wire terminal hole, L wire terminal hole and N wire terminal hole, and correspondence is welded on the interior of described rotating seat respectively Above side, L bank shape bayonet apparatus and N bank shape bayonet apparatus.

Use the beneficial effect of above-mentioned further scheme: described plug line device is through described lower casing Bottom is provided with in three plug holes side by side and L plug disk hole and ground wire in disk hole, N plug and inserts In head after disk hole, rotate described inner disc, make described plug line device fill with described L bank shape bayonet socket Put, described N bank shape bayonet apparatus and rotate wheel and be close together and be energized.

Further, described L bank shape bayonet apparatus and described N bank shape bayonet apparatus the most specifically by support, Runner, arc bayonet socket, spring and baffle plate composition；Described arc bayonet socket be one with 90 degree of right angles Circular arc conduction stereochemical structure, one end of described support is fixedly installed on the side of described recessed enclosure Face, the position that the other end is connected with arc-shaped surface and first rectangular surfaces of described arc bayonet socket by described runner Putting and be connected, described arc-shaped surface is insulating surfaces, and described spring one end is fixedly installed on the side of described support On face, on the edge of the second rectangular surfaces that the other end is fixedly installed on described arc bayonet socket, described baffle plate is solid Fixed setting on the bracket, is positioned at the outside of the arc-shaped surface of described arc bayonet socket；Described arc bayonet socket Can rotate around described runner in the range of described baffle；L line transmits joint and N line passes Joint is sent to be respectively welded at the arc card of described L bank shape bayonet apparatus and described N bank shape bayonet apparatus Above second rectangular surfaces of mouth.

Use the beneficial effect of above-mentioned further scheme: described plug line device insert described inner disc it After, by described plug 90-degree rotation, drive described inside turn to turn 90 degrees, described inner disc drives described interior Dish bar moves to the other end from one end of described spring pedestal, the L line plug in described plug line device And N line plug against respectively described arc bayonet socket arc-shaped surface rotate, drive described arc bayonet socket around Described runner and rotate and compress described spring, thus described L line plug and N line plug against respectively The arc-shaped surface of described arc bayonet socket rotates to the second rectangular surfaces of described arc bayonet socket, stops the rotation it After, described spring reset, drive described arc bayonet socket to reset, owing to described L line plug and N line are inserted Head is stuck in the second rectangular surfaces of described arc bayonet socket, so described tension spring cannot reset, described L Line plug and N line plug against the second rectangular surfaces of described arc bayonet socket and are energized.Extract described inserting During head tube line apparatus, described inner disc and inner disc bar reset under the effect of described tension spring.Described baffle plate Described arc bayonet socket can be allowed can only to revolve along the direction that described inner disc rotates in the range of baffle Turning, opposite direction can not cross baffle plate when rotating.

Further, described upper shell is a cylindrical empty cavity configuration, and described interior mesochite is that a top sets Having the hollow circular cylinder of pipeline mouth, described lower casing is that a top is provided with faucal, bottom has been arranged side by side The cylinder of three plug holes, the two bottom sides of described lower casing is symmetrically arranged with L line plug hole and N line Plug hole, centre position is provided with ground wire plug hole, and the lower end of described interior mesochite 10 passes described faucal 91 inside being positioned at described lower casing 9；Described interior mesochite slide rod device specifically include groove slide bar and with Protruding slide bar, two described protruding slide bars are fixedly installed on the both sides external of described interior mesochite, two grooves Slide bar correspondence is fixedly installed on the both sides, inside of described lower casing, two described protruding slide bars can corresponding along Two described groove slide bars move up and down.

Use the beneficial effect of above-mentioned further scheme: by time in described plug insertion socket, press down on Described upper shell, described upper shell drives described interior mesochite slide downward, institute by described flexible connection piece State interior mesochite by interior mesochite slide rod device in the inside slide downward of described lower casing, drive described plug Line device slide downward passes described L line plug hole, N line plug hole and ground wire plug hole, and then In inserting in disk hole.

Further, described fore shaft locking plate device specifically includes flexible arc bayonet socket and flexible arc inserted sheet, institute The lateral symmetry of the inner surface stating lower casing is each provided with a flexible arc bayonet socket, outside described interior mesochite The lateral symmetry on surface is each provided with a flexible arc inserted sheet matched with described flexible arc bayonet socket； The inside of described flexible arc bayonet socket is inserted in the lower end of described flexible arc inserted sheet, supports described interior mesochite Upper end and the unsettled top being positioned at described lower casing, upper end of upper shell, described interior mesochite is under external force Move downward and the mid portion correspondence of two described flexible arc inserted sheets can be driven to snap in two described bullets Inside property arc bayonet socket.

Using the beneficial effect of above-mentioned further scheme: when plug is not inserted in socket, described fore shaft is locked Sheet devices supports the unsettled top being positioned at described lower casing, upper end of described interior mesochite and upper shell, and then makes Described plug line device is positioned at the inside of described lower casing, it is to avoid be exposed on the external easily getting wet of existence because of naked Problem；When pressing described upper shell, when described interior mesochite moves downward, elastic described in said two The mid portion correspondence of arc inserted sheet snaps in inside two described flexible arc bayonet sockets, is not having External Force Acting In the case of, described fore shaft locking plate device is it can be avoided that described interior mesochite resets.

Further, described plug line device specifically includes L line plug, N line plug, ground wire plug, L Joint pipeline, N joint pipeline and earth connection point pipeline；Described L line plug, N line plug and ground wire The top of plug is fixed on the bottom of described interior mesochite side by side, and described L line plug is the most right with N line plug Claim the both sides of bottom being fixedly installed on described interior mesochite, described ground wire plug be fixedly installed on described interior in The centre position of the bottom of shell；Described L joint pipeline, N joint pipeline and the end of earth connection point pipeline Portion is fixed and welded together with the top of ground wire plug with described L line plug, N line plug respectively, top All pass from the pipeline mouth of described interior mesochite and be connected with outside line circuit；Press down on described upper outside Shell, described L line plug, N line plug can be corresponding from L line plug hole, N line plug hole with ground wire plug Stretch out with ground wire plug hole, and corresponding insert in described L plug disk hole and ground in disk hole, N plug In line plug in disk hole, the most described inside turn turn 90 degrees, and described tension spring 42 is pressed Contracting, described L line plug is the most corresponding with N line plug turns over two arc-shaped surfaces of described arc bayonet socket also The described spring of corresponding compression, arrives the second rectangular surfaces of two described arc bayonet sockets, and external force is cancelled, described Spring reset, described L line plug second square that be close to two arc bayonet sockets the most corresponding with N line plug On shape face and corresponding and described L line transmits joint and transmits joint connection, described ground wire plug one with N line Directly it is close to the described upper end rotating wheel, transmits joint with described ground wire and connect；Described under external force Upper shell moves upward, and described L line plug and N line plug correspondence respectively departs from two described arc cards Second rectangular surfaces of mouth, external force is cancelled described tension spring and is resetted, drives described inner disc and described inner disc bar Reset, power cut-off.

Using the beneficial effect of above-mentioned further scheme: press down on described upper shell, described upper shell leads to Crossing described flexible connection piece and drive described interior mesochite slide downward, described interior mesochite is filled by interior mesochite slide bar Put the inside slide downward at described lower casing, drive described L line plug, N line plug and ground wire plug Correspondence is stretched out with ground wire plug hole from L line plug hole, N line plug hole, and the corresponding described L of insertion inserts In head in disk hole, N plug in disk hole and ground wire plug in disk hole, by described plug 90-degree rotation, band Dynamic described inside turn turn 90 degrees, so drive described inner disc bar move from one end of described spring pedestal to The other end, and compress described tension spring, described L line plug and N line plug against described arc respectively The arc-shaped surface of shape bayonet socket rotates, and drives described arc bayonet socket rotate around described runner and compress described bullet Spring, thus the arc-shaped surface that described L line plug and N line plug against described arc bayonet socket respectively rotates To the second rectangular surfaces of described arc bayonet socket, after stopping the rotation, described spring reset, drive described arc Shape bayonet socket resets, owing to described L line plug and N line plug are stuck in the second square of described arc bayonet socket Shape face, so described tension spring cannot reset, described L line plug and N line plug against described arc Second rectangular surfaces of shape bayonet socket is energized, and described ground wire plug is close to the described wheel that rotates always and is rotated, and one Straight row is energized.

When upwards pulling out the most described upper shell, described L line plug and N line plug depart from described arc card The rectangular surfaces of mouth, described inner disc and inner disc bar reset under the effect of described tension spring, and described L line is inserted Head and N line plug power-off.

Further, the outside lower end lateral symmetry of described lower casing is each provided with a fore shaft, described recessed outside The lateral symmetry of the described annular edge embolium of shell is each provided with a breach；Two described fore shafts can be corresponding Insert in two described breach；Straight line residing for breach described in said two and described inner disc institute when not rotating In stating in L plug in disk hole, N plug disk hole and ground wire plug, disk hole correspondence is positioned at two described breach Underface.

Use the beneficial effect of above-mentioned further scheme: described plug is when inserting in described socket, it is necessary to Two described fore shafts are wanted corresponding to insert in two described breach, could be by described L line plug, N line Plug and ground wire plug correspondence insert in the L plug of described inner disc disk hole and ground in disk hole, N plug In line plug in disk hole, then rotate described plug, make inside turn turn 90 degrees, and then make described L line Plug, N line plug and ground wire plug energising, now, two described fore shafts are positioned at described ring edge The lower section of sheet, without position jaggy, is stuck, and plug will not be touched down easily or touch pine, it is to avoid There is Danger Electric shock risk, when needs come out of the socket plug, described upper shell is applied effect upwards Power, described L line plug departs from described arc bayonet socket with N line plug, and described tension spring resets, and drives Inner disc resets, and the most described L line plug turn 90 degrees also with described inside turn with N line plug, thus Two described fore shaft corresponding underfaces being positioned at two described breach again, described plug can pull out easily Go out.

The beneficial effects of the utility model: time in plug insertion socket, will not be touched off easily, touch askew or Person touches pine, it is to avoid the problem occurring getting an electric shock, and power supply connects reliable, when extracted, also can extract easily, And when plug does not works, L line plug, N line plug and ground wire plug are positioned at described plug inside, Avoid water droplet at L line plug, N line plug and ground wire plug, prevent band water cutting head socket The potential safety hazard burning out plug, socket and electrical equipment occurred time middle.

Accompanying drawing explanation

Fig. 1 is the structure chart of socket in a kind of power supply connecting device of the present utility model；

Fig. 2 is the structure chart of plug in a kind of power supply connecting device of the present utility model；

In accompanying drawing, the list of parts representated by each label is as follows:

1, socket, 2, plug, 3, recessed shell, 31, L wire terminal hole, 32, N wire terminal hole, 33, Earth connection point hole, 34, annular edge embolium, 35, breach, 4, spring assembly, 41, spring pedestal, 42, tension spring, 5, inner disc bar, 6, inner disc, 61, disk hole in L plug, 62, N plug inner disc Hole, 63, disk hole in ground wire plug, 7, piecing devices, 71, L bank shape bayonet apparatus, 711, Frame, 712, runner, 713, arc bayonet socket, 7131, arc-shaped surface, the 7132, first rectangular surfaces, 7133, Second rectangular surfaces, 714, spring, 715, baffle plate, 72, L line transmit joint, 73, N bank shape card Mouthful device, 74, N line transmit joint, 75, rotate wheel, 76, rotating seat, 77, ground wire transmit joint, 8, upper shell, 9, lower casing, 91, faucal, 92, L line plug hole, 93, N line plug hole, 94, Ground wire plug hole, 95, fore shaft, 10, interior mesochite, 101, pipeline mouth, 11, plug line device, 111, L line plug, 112, N line plug, 113, ground wire plug, 114, L joint pipeline, 115, N Joint pipeline, 116, earth connection point pipeline, 12, interior mesochite slide rod device, 121, groove slide bar, 122, Protruding slide bar, 13, fore shaft locking plate device, 131, flexible arc bayonet socket, 132, flexible arc inserted sheet, 14, power supply base, 15, flexible connection piece.

Detailed description of the invention

Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving Release this utility model, be not intended to limit scope of the present utility model.

Embodiment one, a kind of power supply connecting device.Below in conjunction with Fig. 1 to Fig. 2, the present embodiment is provided Device is described in detail.

Seeing Fig. 1 to Fig. 2, a kind of power supply connecting device that the present embodiment provides, including socket 1 with slotting 2, described socket 1 include recessed shell 3, the spring assembly 4 being fixed on recessed shell 3 interior bottom portion, can The inner disc bar 5 moved along described spring assembly 4, the inner disc being fixedly installed on described inner disc bar 5 top 6 and be fixedly installed on the power supply base 14 below described recessed shell 3 exterior base；On described inner disc 6 Being provided with three interior disk hole side by side, and be positioned at the inside of described recessed shell 3, described recessed shell 3 is internal Being provided with piecing devices 7, the side of described power supply base 14 connects external power source circuit, described outside Power circuit passes side and the bottom of recessed shell 3 of described power supply base 14, with described piecing devices 7 Weld together.

Described plug 2 includes shell 8, lower casing 9, interior mesochite 10 and plug line device 11, The bottom of described lower casing 9 is provided with three plug holes side by side, and described interior mesochite 10 is by elasticity even Contact pin 15 is fixed together with described upper shell 8, and unsettled by two fore shaft locking plate devices 13 Being positioned at the inside of described lower casing 9, described interior mesochite 10 exists also by two interior mesochite slide rod device 12 Described lower casing 9 is internal to be slided up and down, and the upper end of described lower casing 9 is located at the interior of described upper shell 8 Portion, the lower end of described interior mesochite 10 is positioned at the inside of described lower casing 9；Described plug line device 11 Being fixedly installed on the bottom of described interior mesochite, its top passes top and the outer lines of described interior mesochite 10 Road connects.

Press down on shell 8, drive lower casing 9 to move downward, the end of described plug line device 11 Portion stretches out from three plug holes side by side that the bottom of described lower casing 9 is arranged, and inserts described inner disc 6 In three of upper setting interior disk hole side by side, described inside turn turn 90 degrees, described junction block line apparatus Bottom is close together with described piecing devices 7, power on.

Concrete, described recessed shell 3 is the cylinder of a hollow, is provided with L wire terminal bottom it side by side Hole 31, N wire terminal hole 32 and 33 3, earth connection point hole nipple orifice, its top is parallel to extend internally It is fixedly installed annular edge embolium 34；Described L wire terminal hole 31 is symmetricly set on N wire terminal hole 32 Both sides bottom described recessed shell 3, earth connection point hole 33 is arranged on the centre bottom described recessed shell 3 Position.Facilitate L line to transmit joint, N line transmits joint and ground wire transmits joint from described nipple orifice Pierce into, and erection joint device.

Described spring assembly 4 is arranged on described recessed shell 3 interior bottom portion, and described spring assembly 4 includes circle The spring pedestal 41 of arc and tension spring 42, one end of described tension spring 42 is fixed on described bullet One end of spring base 41, the other end extends to the other end of described spring pedestal 41 and is fixed on described interior The bottom of dish bar 5, described inner disc bar 5 fixes one end fortune of described tension spring 42 to spring pedestal 41 Described tension spring 42 can be compressed time dynamic.

Concrete, under external force by described inner disc 6 90-degree rotation, described inner disc 6 drives described Inner disc bar 5 moves to the other end of described spring pedestal 41 from one end of described spring pedestal 41, and squeezes Described tension spring 42, the arc length of described spring pedestal 41 is pressed to be slightly over the circular arc of 1/4, Its length and present position ensure that described inner disc 6 when initial position 90-degree rotation, described inner disc Bar 5 just moves to the other end of described spring pedestal 41 from one end of described spring pedestal 41, and presses Contract the described tension spring 42 extreme position to described tension spring 42.

Described inner disc 6 is disc stereochemical structure, and three interior disk hole side by side that it is arranged are respectively L Disk hole 63 in disk hole 62 and ground wire plug in disk hole 61, N plug in plug；Described inner disc 6 is not During rotation, in described ground wire plug, disk hole 63 correspondence is positioned at the surface in described earth connection point hole 33；Outside Under power effect, described inner disc 6 90-degree rotation, drive described inner disc bar 5 from described spring pedestal 41 One end moves to the other end, disk hole 62 and ground wire plug in disk hole 61, N plug in described L plug Interior disk hole 63 correspondence respectively is positioned at L wire terminal hole 31, N wire terminal hole 32 and earth connection point hole 33 Surface.

Concrete, described plug line device 11 inserts disk hole 61, N plug inner disc in described L plug In hole 62 and ground wire plug after disk hole 63, by described inner disc 6 90-degree rotation, make described plug pipe The L wire terminal hole 92 of bottom setting of line apparatus 11 present position and described lower casing 9, earth connection point Straight line parallel residing for the nipple orifice of 93 3, wire terminal hole, hole 94 and N, facilitates described plug line device 11 connect L line transmits joint 72, N line transmission joint 74 and ground wire transmission joint 77, and then connects Power supply.

Described piecing devices 7 include that L bank shape bayonet apparatus 71, L line transmit joint 72, N bank shape Bayonet apparatus 73, N line transmit joint 74, rotate wheel 75, rotating seat 76 and ground wire transmission joint 77； Described L bank shape bayonet apparatus 71 is symmetricly set on described recessed shell 3 with N bank shape bayonet apparatus 73 Internal both sides, and the corresponding surface being positioned at described L wire terminal hole 31 and N wire terminal hole 32 respectively； Described rotating seat 76 is the conductive structure of a cylindrical cavity, is fixedly installed on described recessed shell 3 end The centre position in portion, described earth connection point hole 33 is positioned at the cavity inside of described rotating seat 76, described rotation Runner 75 is the cylindrical empty cavity configuration that disk hole 63 downwardly extends in described ground wire plug, described Inside, outside and described rotation wheel 75 lower ends, the upper end of rotating seat 76 is seamless to fit together；Described rotation Conductive copper powder is all scribbled on the inner side of runner 75；Described ground wire transmits joint 77, L line transmits joint 72 And N line transmission joint 74 is internal from described power supply base 14, correspondence is through described earth connection point respectively Hole 33, wire terminal hole 32, L wire terminal hole 31 and N, and correspondence is welded on described rotating seat 76 respectively Inner side, above L bank shape bayonet apparatus 71 and N bank shape bayonet apparatus 73.

Concrete, described plug line device 11 is through the L plug of the bottom setting of described lower casing 9 In interior disk hole 61, N plug in disk hole 62 and ground wire plug after disk hole 63, rotate described inner disc 6, Make described plug line device 11 and described L bank shape bayonet apparatus 71, described N bank shape bayonet socket dress Put 73 and rotate wheel 75 and be close together and be energized.

Described L bank shape bayonet apparatus 71 and described N bank shape bayonet apparatus 73 are the most specifically by support 711, runner 712, arc bayonet socket 713, spring 714 and baffle plate 715 form；Described arc bayonet socket 713 is a circular arc conduction stereochemical structure with 90 degree of right angles, specially 1/4 cylindrical structure, One end of described support 711 is fixedly installed on the side within described recessed shell 3, and the other end is by described The position that runner 712 connects with arc-shaped surface 7131 and first rectangular surfaces 7132 of described arc bayonet socket 713 Putting and be connected, described arc-shaped surface 7131 is insulating surfaces, and described spring 714 one end is fixedly installed on institute Stating on the side of support 711, the other end is fixedly installed on the second rectangular surfaces of described arc bayonet socket 713 On the edge of 7133, described baffle plate 715 is fixedly installed on described support 711, is positioned at described arc card The outside of the arc-shaped surface 7131 of mouth 713；Described arc bayonet socket 713 can at described baffle plate 715 about Rotate around described runner 712 in the range of bundle；L line transmits joint 72 and N line and transmits joint 74 It is respectively welded at the arc card of described L bank shape bayonet apparatus 71 and described N bank shape bayonet apparatus 73 Above second rectangular surfaces 7133 of mouth 713.

Concrete, after described plug line device 11 inserts described inner disc 6, described plug 2 is revolved Turning 90 degrees, drive described inner disc 6 90-degree rotation, described inner disc 6 drives described inner disc bar 5 from described One end of spring pedestal 41 moves to the other end, the L line plug 111 in described plug line device 11 And N line plug 112 againsts the arc-shaped surface 7131 of described arc bayonet socket 713 respectively and rotates, drive Described arc bayonet socket 713 rotates and compresses described spring 714 around described runner 712, thus described L Line plug 111 and N line plug 112 againsts the arc-shaped surface 7131 of described arc bayonet socket 713 respectively Rotate to the second rectangular surfaces 7133 of described arc bayonet socket 713, after stopping the rotation, described spring 714 Reset, drive described arc bayonet socket 713 to reset, due to described L line plug 111 and N line plug 112 It is stuck in the second rectangular surfaces 7133 of described arc bayonet socket 713, so described tension spring 42 cannot Resetting, described L line plug 111 and N line plug 112 againsts the second square of described arc bayonet socket 713 Shape face 7133 is energized.When upwards pulling out the most described plug line device 11, described inner disc 6 is with interior Dish bar 5 resets under the effect of described tension spring 42.Described baffle plate 715 can allow described arc card Mouth 713 can only rotate along the direction that described inner disc 6 rotates in the range of baffle plate 715 constraint, negative side Baffle plate 715 can not be crossed, so described arc bayonet socket 713 does not haves the feelings that cannot reset in time rotating Condition.

Described upper shell 8 is a cylindrical empty cavity configuration, and described interior mesochite 10 is that a top is provided with The hollow circular cylinder of pipeline mouth 101, described lower casing 9 is that a top is provided with faucal 91, bottom side by side Being provided with the cylinder of three plug holes, the two bottom sides of described lower casing 9 is symmetrically arranged with L line plug Hole 92 and N line plug hole 93, centre position is provided with ground wire plug hole 94, described interior mesochite 10 Lower end is positioned at the inside of described lower casing 9 through described faucal 91；Described interior mesochite slide rod device 12 has Body include groove slide bar 121 and with protruding slide bar 122, two described protruding slide bars 122 are fixedly installed In the both sides external of described interior mesochite 10, two groove slide bar 121 correspondences be fixedly installed on described lower outside The both sides, inside of shell 9, two described protruding slide bars 122 can be corresponding along two described groove slide bars 121 Move up and down.

Concrete, when being inserted in socket 1 by described plug 2, press down on described upper shell 8, described Upper shell 8 drives described interior mesochite 10 slide downward, described interior mesochite by described flexible connection piece 15 10 by interior mesochite slide rod device 12 in the inside slide downward of described lower casing 9, drive described plug Line device 11 slide downward is through described L line plug hole 92, N line plug hole 93 and ground wire plug Hole 94, and then insert in interior disk hole.

Described fore shaft locking plate device 13 specifically includes flexible arc bayonet socket 131 and flexible arc inserted sheet 132, The lateral symmetry of the inner surface of described lower casing 9 is each provided with a flexible arc bayonet socket 131, described interior The lateral symmetry of the outer surface of mesochite 10 is each provided with one and matches with described flexible arc bayonet socket 131 Flexible arc inserted sheet 132；Described flexible arc bayonet socket is inserted in the lower end of described flexible arc inserted sheet 132 The inside of 131, support the upper end of described interior mesochite 10 with the upper end of upper shell 8 unsettled be positioned at described lower outside The top of shell 9, described interior mesochite 10 moves downward under external force and can drive two described elasticity It is internal that the mid portion correspondence of arc inserted sheet 132 snaps in two described flexible arc bayonet sockets 131.

Concrete, when plug 2 is not inserted in socket 1, described fore shaft locking plate device 13 supports described Interior mesochite 10 and the unsettled top being positioned at described lower casing 9, upper end of upper shell 8, and then make described inserting Head tube line apparatus 11 is positioned at the inside of described lower casing 9, it is to avoid be exposed on the external easily getting wet of existence because of naked Problem；When pressing described upper shell 8, when described interior mesochite 10 moves downward, said two institute The mid portion correspondence stating flexible arc inserted sheet 132 snaps in two described flexible arc bayonet sockets 131 inside, In the case of not having External Force Acting, described fore shaft locking plate device 13 is it can be avoided that described interior mesochite 10 is multiple Position.

Described plug line device 11 specifically includes L line plug 111, N line plug 112, ground wire plug 113, L joint pipeline 114, N joint pipeline 115 and earth connection point pipeline 116；Described L line is inserted 111, the top of N line plug 112 and ground wire plug 113 is fixed on the end of described interior mesochite 10 side by side Portion, described L line plug 111 is respectively symmetrically with N line plug 112 and is fixedly installed on described interior mesochite 10 The both sides of bottom, described ground wire plug 113 is fixedly installed on the centre of the bottom of described interior mesochite 10 Position；Described L joint pipeline 114, N joint pipeline 115 and the bottom of earth connection point pipeline 116 It is fixedly welded on the top of ground wire plug 113 with described L line plug 111, N line plug 112 respectively Together, top all passes from the pipeline mouth 101 of described interior mesochite 10 and is connected with outside line circuit； Press down on described upper shell 8, described L line plug 111, N line plug 112 and ground wire plug 113 Can corresponding stretch out with ground wire plug hole 94 from L line plug hole 92, N line plug hole 93, and corresponding slotting Enter in described L plug in disk hole 61, N plug in disk hole 62 and ground wire plug in disk hole 63, outside Described inner disc 6 90-degree rotation under power effect, described tension spring 42 is compressed, described L line plug 111 Two arc-shaped surfaces 7131 turning over described arc bayonet socket 713 the most corresponding with N line plug 112 are the most right Described spring 714 should be compressed, arrive the second rectangular surfaces 7133 of two described arc bayonet sockets 713, external force Cancelling, described spring 714 resets, and described L line plug 111 is the most corresponding with N line plug 112 to be close to In the second rectangular surfaces 7133 of two described arc bayonet sockets 713, and corresponding and described L line transmission connects 72 transmit joint 74 with N line connects, and described ground wire plug 113 is close to described rotation wheel 75 always Upper end, with described ground wire transmit joint 77 connect；The most described upper shell 8 is upwards transported Dynamic, described L line plug 111 and N line plug 112 correspondence respectively departs from two described arc bayonet sockets Second rectangular surfaces 7133 of 713, external force is cancelled, and described tension spring 42 resets, and drives described inner disc 6 Reset with described inner disc bar 5, power cut-off.

Concrete, pressing down on described upper shell 8, described upper shell 8 is by described flexible connection piece 15 Drive described interior mesochite 10 slide downward, described interior mesochite 10 by interior mesochite slide rod device 12 in institute State the inside slide downward of lower casing 9, drive described L line plug 111, N line plug 112 and ground wire Plug 113 correspondence is stretched out with ground wire plug hole 94 from L line plug hole 92, N line plug hole 93, and Corresponding insert in described L plug in disk hole 61, N plug in disk hole 62 and ground wire plug in disk hole 63, By described plug 2 90-degree rotation, drive described inner disc 6 90-degree rotation, and then drive described inner disc bar 5 move to the other end from one end of described spring pedestal 41, and compress described tension spring 42, described L Line plug 111 and N line plug 112 againsts the arc-shaped surface 7131 of described arc bayonet socket 713 respectively Rotate, drive described arc bayonet socket 713 rotate around described runner 712 and compress described spring 714, So that described L line plug 111 and N line plug 112 againsts the circle of described arc bayonet socket 713 respectively Arcwall face 7131 rotates to the second rectangular surfaces 7133 of described arc bayonet socket 713, after stopping the rotation, Described spring 714 resets, and drives described arc bayonet socket 713 to reset, due to described L line plug 111 with And N line plug 112 is stuck in the second rectangular surfaces 7133 of described arc bayonet socket 713, so described extension Spring 42 cannot reset, and described L line plug 111 and N line plug 112 againsts described arc bayonet socket Second rectangular surfaces 7133 of 713 is energized, and described ground wire plug 113 is close to described rotation always and is taken turns 75 rotate, and are energized always.

When upwards pulling out the most described upper shell 8, described L line plug 111 and N line plug 112 departs from Second rectangular surfaces 7133 of described arc bayonet socket 713, described inner disc 6 and inner disc bar 5 are at described extension bullet Reset under the effect of spring 42, described L line plug 111 and N line plug 112 power-off.

The outside lower end lateral symmetry of described lower casing 9 is each provided with a fore shaft 95, described recessed shell 3 The lateral symmetry of described annular edge embolium 34 be each provided with a breach 35；Two described fore shafts 95 Can corresponding insert in two described breach 35；Described inner disc 6 is described L plug inner disc when not rotating In hole 61, N plug, in disk hole 62 and ground wire plug, disk hole 63 correspondence is positioned at two described breach 35 Underface.

Concrete, described plug 2 is when inserting in described socket 1, it is necessary to two described fore shafts 95 Can corresponding insert in two described breach 35, could be by described L line plug 111, N line plug 112 And disk hole 62 in disk hole 61, N plug in the corresponding L plug inserting described inner disc 6 of ground wire plug 113 And in ground wire plug in disk hole 63, then rotate described plug 2, make inner disc 6 90-degree rotation, enter And make described L line plug 111, N line plug 112 and ground wire plug 113 be energized, and now, two Described fore shaft 95 is positioned at the lower section of described annular edge embolium 34 without the position of breach 35, is stuck, Plug will not be touched down easily or touch pine, it is to avoid Danger Electric shock risk occurs, pulls out at needs from socket 21 When going out plug 2, described upper shell 8 is applied active force upwards, described L line plug 111 and N line Plug 112 departs from described arc bayonet socket 713, and described tension spring 42 resets, and drives inner disc 6 to reset, The most described L line plug 111 and N line plug 112 also with described inner disc 6 90-degree rotation, thus Two described the fore shafts 95 corresponding underface being positioned at two described breach 35, described plugs 2 again Extract easily.

Specific works process:

At described plug 2 when inserting in described socket 1, insert two by corresponding for two described fore shafts 95 In individual described breach 35, and pressing described upper shell 8, described upper shell 8 drives described interior mesochite 10 Moving downward, described L line plug 111, N line plug 112 and ground wire plug 113 are respectively from described L Wire terminal hole 31, N wire terminal hole 32 and earth connection point hole 33 are stretched out, and correspondence inserts institute respectively State in the L plug of inner disc 6 in disk hole 61, N plug in disk hole 62 and ground wire plug in disk hole 63, Then rotate described plug 2, make inner disc 6 90-degree rotation, drive described inner disc bar 5 from spring pedestal One end of 41 is moved to the other end, compresses described tension spring 42, described L line plug 111 and N Line plug 112 againsts the arc-shaped surface 7131 of described arc bayonet socket 713 respectively and rotates, and drives two respectively Individual described arc bayonet socket 713 rotates around two described runners 712 and compresses two described springs 714, Thus described L line plug 111 and N line plug 112 againsts the circular arc of described arc bayonet socket 713 respectively Shape face 7131 rotates to the second rectangular surfaces 7133 of described arc bayonet socket 713, after stopping the rotation, two Individual described spring 714 resets, and drives two described arc bayonet sockets 713 to reset, due to described L line plug 111 and N line plugs 112 are stuck in the second rectangular surfaces 7133 of described arc bayonet socket 713, described Tension spring 42 cannot reset, and described L line plug 111 and N line plug 112 againsts described arc Second rectangular surfaces 7133 of bayonet socket 713 is energized, and described ground wire plug 113 is close to described rotation always Runner 75 rotates, and is energized always.Now, two described fore shafts 95 are positioned at described annular edge embolium The lower section of 34, without the position of breach 35, is stuck, and plug 2 will not be touched down easily or touch pine, Avoid Danger Electric shock risk.

Needs from socket 1 pull the plug out of the socket 2 time, described upper shell 8 is applied active force upwards, institute State L line plug 111 and depart from described arc bayonet socket 713, described tension spring 42 with N line plug 112 Resetting, drive inner disc 6 to reset, the most described L line plug 111 and N line plug 112 are also with described Inner disc 6 90-degree rotation, thus two described fore shaft 95 correspondences again are positioned at two described breach 35 Underface, described plug 2 can be extracted easily.

A kind of power supply connecting device that this utility model provides, time in plug insertion socket, will not be by easily Touching off, touch askew or touch pine, it is to avoid the problem occurring getting an electric shock, power supply connects reliable, when extracted, also Can extract easily, and when plug does not works, L line plug, N line plug and ground wire plug are positioned at institute State plug inside, it is to avoid water droplet, at L line plug, N line plug and ground wire plug, prevents band water The potential safety hazard burning out plug, socket and electrical equipment occurred time in plug socket.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims

1. a power supply connecting device, including socket (1) and plug (2), it is characterised in that described Socket (1) include recessed shell (3), the spring assembly (4) being fixed on recessed shell (3) interior bottom portion, Can along the inner disc bar (5) of described spring assembly (4) movement, be fixedly installed on described inner disc bar (5) The inner disc (6) at top and be fixedly installed on the power supply base below described recessed shell (3) exterior base (14)；It is provided with three interior disk hole side by side on described inner disc (6), and is positioned at described recessed shell (3) Inside, described recessed shell (3) is internally provided with piecing devices (7), described power supply base (14) Side connect and have external power source circuit, described external power source circuit is through described power supply base (14) Side and the bottom of recessed shell (3), weld together with described piecing devices (7)；

Described plug (2) includes shell (8), lower casing (9), interior mesochite (10) and inserts Head tube line apparatus (11), the bottom of described lower casing (9) is provided with three plug holes side by side, institute State interior mesochite (10) to be fixed together with described upper shell (8) by flexible connection piece (15), And by two unsettled inside being positioned at described lower casing (9) of fore shaft locking plate device (13), described interior Mesochite (10) is internal up and down at described lower casing (9) also by two interior mesochite slide rod device (12) Sliding, the upper end of described lower casing (9) is located at the inside of described upper shell (8), described interior mesochite (10) lower end is positioned at the inside of described lower casing (9)；Described plug line device (11) is fixed Being arranged on the bottom of described interior mesochite (10), its top passes the top of described interior mesochite (10) with outer Portion's connection；

Press down on shell (8), drive lower casing (9) to move downward, described plug line device (11) bottom is stretched out from three plug holes side by side that the bottom of described lower casing (9) is arranged, Inserting in upper three the interior disk hole side by side arranged of described inner disc (6), described inner disc (6) rotates 90 Degree, the bottom of described plug line device (11) is close together with described piecing devices (7), electricity Source is connected.

A kind of power supply connecting device the most according to claim 1, it is characterised in that described recessed outside Shell (3) is the cylinder of a hollow, is provided with L wire terminal hole (31), N wire terminal bottom it side by side Hole (32) and (33) three, earth connection point hole nipple orifice, parallel the extending internally in its top is fixedly installed There is annular edge embolium (34)；

Described L wire terminal hole (31) and N wire terminal hole (32) are symmetricly set on described recessed shell (3) The both sides of bottom, earth connection point hole (33) are arranged on the centre position of described recessed shell (3) bottom.

A kind of power supply connecting device the most according to claim 2, it is characterised in that described spring Device (4) includes spring pedestal (41) and tension spring (42), the described tension spring of circular arc (42) one end is fixed on one end of described spring pedestal (41), and the other end extends at the bottom of described spring The other end of seat (41) is also fixed on the bottom of described inner disc bar (5), and described inner disc bar (5) is to bullet Spring base (41) can compress described tension spring when fixing an end motion of described tension spring (42) (42)。

A kind of power supply connecting device the most according to claim 3, it is characterised in that described inner disc (6) being disc stereochemical structure, three interior disk hole side by side that it is arranged are respectively L plug inner disc Disk hole (63) in disk hole (62) and ground wire plug in hole (61), N plug；

Described inner disc (6) when not rotating in described ground wire plug disk hole (63) correspondence be positioned at describedly The surface in wire terminal hole (33)；Under external force, described inner disc (6) 90-degree rotation, drive Described inner disc bar (5) moves to the other end, described L plug from one end of described spring pedestal (41) In interior disk hole (61), N plug, in disk hole (62) and ground wire plug, disk hole (63) correspondence respectively is positioned at L wire terminal hole (31), N wire terminal hole (32) and the surface of earth connection point hole (33).

A kind of power supply connecting device the most according to claim 4, it is characterised in that described joint Device (7) includes that L bank shape bayonet apparatus (71), L line transmit joint (72), N bank shape bayonet socket Device (73), N line transmit joint (74), rotate wheel (75), rotating seat (76) and ground wire transmission Joint (77)；

Described L bank shape bayonet apparatus (71) and N bank shape bayonet apparatus (73) are symmetricly set on institute State the both sides that recessed shell (3) is internal, and correspondence is positioned at described L wire terminal hole (31) and N line respectively The surface of nipple orifice (32)；Described rotating seat (76) is the conductive structure of a cylindrical cavity, Being fixedly installed on the centre position of described recessed shell (3) bottom, described earth connection point hole (33) is positioned at The cavity inside of described rotating seat (76), described rotation wheel (75) is disk hole in described ground wire plug (63) the cylindrical empty cavity configuration downwardly extended, the outside, upper end of described rotating seat (76) and institute State seamless inside rotation wheel (75) lower end fitting together；On the described inner side rotating wheel (75) all Scribble conductive copper powder；

Described ground wire transmits joint (77), L line transmits joint (72) and N line transmits joint (74) Internal from described power supply base (14), correspondence is through described earth connection point hole (33), L wire terminal respectively Hole (31) and N wire terminal hole (32), and correspondence is welded on the interior of described rotating seat (76) respectively Side, L bank shape bayonet apparatus (71) and N bank shape bayonet apparatus (73) are above.

A kind of power supply connecting device the most according to claim 5, it is characterised in that described L line Arc bayonet apparatus (71) and described N bank shape bayonet apparatus (73) the most specifically by support (711), Runner (712), arc bayonet socket (713), spring (714) and baffle plate (715) composition；

Described arc bayonet socket (713) is a circular arc conduction stereochemical structure with 90 degree of right angles, institute The one end stating support (711) is fixedly installed on the side that described recessed shell (3) is internal, and the other end passes through The arc-shaped surface (7131) of described runner (712) and described arc bayonet socket (713) and the first rectangular surfaces (7132) position connected is connected, and described arc-shaped surface (7131) is insulating surfaces, described spring (714) One end is fixedly installed on the side of described support (711), and the other end is fixedly installed on described arc card On the edge of second rectangular surfaces (7133) of mouth (713), described baffle plate (715) is fixedly installed on institute State on support (711), be positioned at the outside of the arc-shaped surface (7131) of described arc bayonet socket (713)； Described arc bayonet socket (713) can be around described runner (712) in the range of described baffle plate (715) constraint Rotate；

L line transmits joint (72) and N line transmits joint (74) and is respectively welded at described L bank shape The second of the arc bayonet socket (713) of bayonet apparatus (71) and described N bank shape bayonet apparatus (73) Rectangular surfaces (7133) is above.

A kind of power supply connecting device the most according to claim 6, it is characterised in that described upper outside Shell (8) is a cylindrical empty cavity configuration, and described interior mesochite (10) is that a top is provided with pipeline mouth (101) hollow circular cylinder, described lower casing (9) is that a top is provided with faucal (91), bottom Being arranged side by side the cylinder of three plug holes, the two bottom sides of described lower casing (9) is symmetrically arranged with L Line plug hole (92) and N line plug hole (93), centre position is provided with ground wire plug hole (94), The lower end of described interior mesochite (10) is positioned at the inside of described lower casing (9) through described faucal (91)；

Described interior mesochite slide rod device (12) specifically include groove slide bar (121) and with protruding slide bar (122), two described protruding slide bars (122) are fixedly installed on the outside two of described interior mesochite (10) Side, two groove slide bar (121) correspondences are fixedly installed on the both sides, inside of described lower casing (9), and two Individual described protruding slide bar (122) can corresponding move up and down along two described groove slide bars (121).

A kind of power supply connecting device the most according to claim 7, it is characterised in that described fore shaft Locking plate device (13) specifically includes flexible arc bayonet socket (131) and flexible arc inserted sheet (132), institute The lateral symmetry of the inner surface stating lower casing (9) is each provided with a flexible arc bayonet socket (131), institute The lateral symmetry of the outer surface stating interior mesochite (10) is each provided with one and described flexible arc bayonet socket (131) The flexible arc inserted sheet (132) matched；

The inside of described flexible arc bayonet socket (131) is inserted in the lower end of described flexible arc inserted sheet (132), Support that the upper end of described interior mesochite (10) is unsettled with the upper end of upper shell (8) is positioned at described lower casing (9) Top, described interior mesochite (10) moves downward under external force and can drive two described elastic arcs It is internal that the mid portion correspondence of shape inserted sheet (132) snaps in two described flexible arc bayonet sockets (131).

A kind of power supply connecting device the most according to claim 8, it is characterised in that described plug Line device (11) specifically include L line plug (111), N line plug (112), ground wire plug (113), L joint pipeline (114), N joint pipeline (115) and earth connection point pipeline (116)；

The top of described L line plug (111), N line plug (112) and ground wire plug (113) is side by side It is fixed on the bottom of described interior mesochite (10), described L line plug (111) and N line plug (112) It is respectively symmetrically the both sides of the bottom being fixedly installed on described interior mesochite (10), described ground wire plug (113) It is fixedly installed on the centre position of the bottom of described interior mesochite (10)；Described L joint pipeline (114), The bottom of N joint pipeline (115) and earth connection point pipeline (116) respectively with described L line plug (111), N line plug (112) is fixed and welded together with the top of ground wire plug (113), and top is all from described The pipeline mouth (101) of interior mesochite (10) passes and is connected with outside line circuit；

Press down on described upper shell (8), described L line plug (111), N line plug (112) with Ground wire plug (113) can be corresponding from L line plug hole (92), N line plug hole (93) and ground wire plug Hole is stretched out in (94), and corresponding inserts in described L plug disk hole (62) in disk hole (61), N plug And in ground wire plug in disk hole (63), the most described inner disc (6) 90-degree rotation, institute Stating tension spring (42) to be compressed, described L line plug (111) is the most right with N line plug (112) Two arc-shaped surfaces (7131) the described spring of corresponding compression of described arc bayonet socket (713) should be turned over (714), arriving second rectangular surfaces (7133) of two described arc bayonet sockets (713), external force is cancelled, Described spring (714) resets, and described L line plug (111) is the most corresponding with N line plug (112) It is close in second rectangular surfaces (7133) of two described arc bayonet sockets (713), and corresponding and described L Line transmits joint (72) and transmits joint (74) connection with N line, and described ground wire plug (113) is always It is close to the described upper end rotating wheel (75), transmits joint (77) with described ground wire and connect；

The most described upper shell (8) moves upward, described L line plug (111) and N Line plug (112) correspondence respectively departs from second rectangular surfaces (7133) of two described arc bayonet sockets (713), External force is cancelled, and described tension spring (42) resets, and drives described inner disc (6) and described inner disc bar (5) Reset, power cut-off.

10. according to a kind of power supply connecting device described in any one of claim 4 to 9, it is characterised in that The outside lower end lateral symmetry of described lower casing (9) is each provided with a fore shaft (95), described recessed outside The lateral symmetry of the described annular edge embolium (34) of shell (3) is each provided with a breach (35)；Two Described fore shaft (95) can corresponding insert in two described breach (35)；

Described inner disc (6) disk hole (62) in disk hole (61), N plug in described L plug when not rotating And disk hole (63) correspondence is positioned at the underface of two described breach (35) in ground wire plug.