CN213151181U

CN213151181U - Magnetic switch socket and magnetic plug

Info

Publication number: CN213151181U
Application number: CN202022247051.8U
Authority: CN
Inventors: 肖建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-07
Anticipated expiration: 2030-10-12

Abstract

A magnetic switch socket and a magnetic plug relate to the technical field of socket plugs, and the adopted technical scheme comprises a hollow panel, a live wire, a zero wire and a ground wire input contact piece which are arranged in the panel and are respectively and electrically connected with the live wire, the zero wire and the ground wire, two output contact pieces, a magnetic switch and a safety lock; the outer surface of the panel is free of jacks which are directly communicated with the interior of the panel. When the utility model is not connected with the plug at ordinary times or the plug is not completely connected with the socket, the magnetic switch disconnects the input contact and the output contact under the action of the safety lock, the live wire and the zero line are both in an open circuit state, the outer surface of the socket is uncharged, and the safety is enhanced; socket panel adopts the sclausura design, and electrified component is all sealed in inside, and inside plug and the direct contact of output contact, foreign matters such as dust, steam, insect can't directly corrode the socket, have also reduced the safe risk that children contacted.

Description

Magnetic switch socket and magnetic plug

Technical Field

The utility model relates to a socket plug technical field especially relates to a magnetic switch socket and magnetic plug.

Background

Power plugs and sockets are common electrical devices that provide a power interface for household appliances. The contact of the existing socket is usually directly connected with a power supply live wire, and the socket panel is usually designed to be provided with holes, so that the socket is dustproof and waterproof, is directly contacted with or has foreign matters entering the jacks of the socket, or is easy to cause accidents when a plug is incompletely inserted, and is particularly dangerous for curious children; some sockets designed with pop-up protective sheets also have the problems of inconvenient plug insertion and easy damage of the protective sheets; the contact of socket is generally the design of jump ring formula, and area of contact is less when the metal contact piece contact with the plug, and after long-time the use, appears the jump ring clearance increase easily, because of local ablation scheduling problem appears in the high temperature, leads to contact failure, brings the power consumption potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The contact to socket among the prior art scheme is direct to be connected with the power live wire, the jack formula design causes the accident easily, the little easy contact failure problem of contact area of contact, the utility model provides a magnetic switch socket and magnetic plug.

The utility model provides a following technical scheme: a magnetic switch socket comprises a hollow panel, a live wire, a zero wire and a ground wire input contact piece, two output contact pieces, a magnetic switch and a safety lock, wherein the live wire, the zero wire and the ground wire input contact piece are arranged in the panel and are respectively and electrically connected with a live wire, a zero wire and a ground wire; the outer surface of the panel is not provided with a jack which is directly communicated with the interior of the panel; the output contact piece comprises a contact end electrically connected with the magnetic plug; a guide groove is formed in the panel, the magnetic switch is connected in the guide groove in a sliding mode and is provided with a magnetic induction piece and a reset structure; the magnetic induction piece can drive the magnetic switch to slide under the action of magnetic force so as to communicate the live wire and zero line input contact pieces with the corresponding output contact pieces; the reset structure is used for resetting the magnetic switch; the safety lock is used for preventing the magnetic switch from communicating the live wire input contact piece, the zero wire input contact piece and the corresponding output contact piece when the magnetic plug is not completely matched.

Preferably, the live wire input contact piece, the zero wire input contact piece and the output contact piece are provided with contacts; the live line input contact piece and the zero line input contact piece are respectively arranged on two sides of the magnetic switch; the ground wire input contact piece is provided with a ground wire connecting end; the magnetic switch comprises a pull rod connected with the guide groove in a sliding mode, and the magnetic induction piece is arranged at one end, facing the outside of the panel, of the pull rod; the guide groove is provided with a limiting groove towards one side outside the panel, a ground wire connecting cover plate is arranged on an opening of the limiting groove, and a ground wire connecting end is arranged on the side wall of the limiting groove and communicated with the ground wire connecting cover plate.

Preferably, the pull rod is perpendicular to the bottom surface of the panel, an insulated cantilever is arranged at the other end of the pull rod, and connecting contact pieces are arranged at two ends of the cantilever; a compression spring is arranged between the cantilever and the panel and is used as a reset structure; a plug connecting sleeve protruding out of the panel is arranged around the ground wire connecting cover plate, and a clamping groove is formed in the outer side of the plug connecting sleeve; the contact end is arranged on the outer wall of the plug connecting sleeve; the safety lock is including setting up locking spout, sliding connection on the spacing groove lateral wall are in locking slider in the locking spout, connect lock core compression spring between locking slider and the locking spout bottom, set up the plug connecting sleeve orientation the spout is inhaled to magnetism of panel one side, sliding connection inhale the slider, intercommunication are inhaled to magnetism in the spout locking spout with inhale the registration arm of spout, set up in the registration arm and will locking slider with inhale the cable that the slider links together.

Preferably, a drainage extrusion ring is arranged on one side of the plug connecting sleeve, which is far away from the panel, and in the clamping groove, and the cross section of the drainage extrusion ring is triangular.

Preferably, the pull rod is perpendicular to the side surface of the cover plate, and the pull rod is hinged with two push rods through a shaft pin, and the push rods are respectively connected to the live wire input contact piece and the zero wire input contact piece; the panel is provided with plug connecting grooves on two sides of the magnetic switch, the output contact piece is arranged on the side wall of the plug connecting groove facing the magnetic switch, and the contact of the output contact piece is arranged at the position corresponding to the contact of the live wire input contact piece and the zero wire input contact piece; the safety lock comprises an elastic locking plate and a pressure rod, the elastic locking plate is provided with an extension arm, the extension arm is provided with a first fixed end fixedly connected to the inner wall of the plug connecting groove, and one surface, facing the plug connecting groove, of the elastic locking plate is provided with an inclined opening; the depression bar includes fixed connection and is in second stiff end on the plug connection recess inner wall, pass the plug connection recess lateral wall press the nail and with the oblique push plate that the bevel connection matches, press the nail protrusion plug connection recess's end still is provided with spherical rubber button, spherical rubber button all presses close to with pressing the nail plug connection recess's bottom surface.

Preferably, the magnetic switch, the plug connecting groove, the safety lock, the output contact piece, the live wire, the zero wire and the ground wire input contact piece are a group of sockets, a plurality of groups of sockets are uniformly distributed on the panel in an annular mode, and two adjacent sockets share one plug connecting groove.

Preferably, the panel is also internally provided with a fire wire flat cable, a zero wire flat cable and a ground wire flat cable which are annular and are respectively and electrically connected with the fire wire, the zero wire and the ground wire, and the two fire wire input contact pieces or the zero wire input contact pieces on the two sides of the plug connecting groove are integrally formed and are respectively connected to the fire wire flat cable and the zero wire flat cable; the ground wire input contact is connected to the ground wire row.

The utility model provides a magnetic plug, includes circular lid, be provided with two circular-arc first contact pieces on the lid inner wall, lid central authorities are provided with the mount pad, the mount pad is provided with first permanent magnet, still be provided with annular first ground wire contact piece between first permanent magnet and the mount pad.

Preferably, a groove is arranged on the edge of the side wall of the cover body and between the cover body and the mounting seat, and a plurality of drainage micropores are arranged at the bottom of the groove.

The utility model provides a magnetic plug, includes the casing, the inside mounting groove that is provided with of casing, be provided with two second contact pieces on the mounting groove lateral wall, be provided with the second permanent magnet in the casing, second permanent magnet one side exposes the lateral wall and the opposite side of mounting groove are connected with second ground contact piece.

The utility model has the advantages that: 1. an output contact, a magnetic switch and a safety lock are additionally arranged in the socket, when the plug is not connected or is not completely connected with the socket at ordinary times, the magnetic switch enables the input contact and the output contact to be disconnected under the action of the safety lock, the live wire and the zero line are both in an open circuit state, the outer surface of the socket is not electrified, and the safety is enhanced; 2. the socket panel adopts a hole-free design, the electrified elements are sealed inside, the plug is directly contacted with the output contact, foreign matters such as dust, water vapor and insects cannot directly corrode the inside of the socket, and the safety risk of contact of children is also reduced; 3. the contact areas between the input contact and the output contact and between the output contact and the plug contact are increased, and the electric connection is more stable and reliable; 4. the plug can be round, and can be greatly rotated to adjust the angle of the cable, so that the cable is prevented from being damaged due to long-term bending; 5. the drainage extrusion ring and the drainage micropores can be added, after the plug is inserted, the mutually meshed structure of the plug and the panel extrudes water out of the drainage micropores, so that the plug and the socket can be used underwater.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is a three-dimensional schematic diagram of an embodiment of the socket of the present invention.

Fig. 3 is an internal structure diagram of an embodiment of the socket of the present invention.

Fig. 4 is a cross-sectional view of an embodiment of the socket of the present invention.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic diagram of an embodiment of the neutral and live input contacts of the present invention.

Fig. 7 is a schematic diagram of an embodiment of the output contact of the present invention.

Fig. 8 is a schematic diagram of an embodiment of a middle ground input contact of the present invention.

Fig. 9 is a schematic view of an embodiment of the present invention in which the cantilever and the connecting contact are arranged.

Fig. 10 is a top view of another embodiment of a receptacle according to the present invention.

Fig. 11 is an internal structure view of another embodiment of the socket of the present invention.

Fig. 12 is an enlarged view of a portion B of fig. 11.

Fig. 13 is a schematic view of an embodiment of the middle push rod of the present invention.

Fig. 14 is a schematic diagram of another embodiment of the neutral and neutral input contacts of the present invention.

FIG. 15 is a top view of an embodiment of the security lock of the present invention.

FIG. 16 is a side view of an embodiment of the security lock of the present invention.

Fig. 17 is a three-dimensional schematic diagram of an embodiment of a plug of the present invention.

Fig. 18 is a cross-sectional view of an embodiment of a plug of the present invention.

Fig. 19 is a top view of an embodiment of a plug of the present invention.

Fig. 20 is a schematic view of an embodiment of the first contact plate of the present invention.

Fig. 21 is a schematic view of an embodiment of the first ground contact strip of the present invention.

Fig. 22 is a schematic view of another embodiment of a plug of the present invention.

Reference numerals: 1-panel, 11-guide groove, 12-limit groove, 13-ground connection cover plate, 14-plug connection sleeve, 15-clamping groove, 16-drainage extrusion ring, 17-plug connection groove, 2-output contact, 21-contact end, 22-contact, 3-magnetic switch, 31-magnetic induction piece, 32-pull rod, 33-cantilever, 34-connection contact, 35-compression spring, 36-push rod, 4-safety lock, 41-locking sliding groove, 42-locking sliding block, 43-lock core compression spring, 44-magnetic attraction sliding groove, 45-magnetic attraction sliding block, 46-positioning tube, 47-inhaul cable, 48-elastic locking piece, 481-first fixed end, 482-bevel joint, 49-pressure rod, 491-a second fixed end, 492-a button, 493-a slant push plate, 494-a spherical rubber button, 5-a live wire input contact, 51-a live wire winding displacement, 6-a neutral wire input contact, 61-a neutral wire winding displacement, 7-a ground wire input contact, 71-a ground wire connecting end, 72-a ground wire winding displacement, 8-a cover body, 81-a first contact piece, 82-a mounting seat, 83-a first permanent magnet, 84-a first ground wire contact piece, 85-a groove, 86-a drainage micropore, 9-a shell, 91-a mounting groove, 92-a second contact piece, 93-a second permanent magnet, and 94-a second ground wire contact piece.

Detailed Description

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a magnetic switch socket as shown in figure 1, which comprises a hollow panel 1, a live wire, a zero wire and a ground wire input contact piece which are arranged in the panel 1 and are respectively and electrically connected with the live wire, the zero wire and the ground wire, two output contact pieces 2, a magnetic switch 3 and a safety lock 4; the outer surface of the panel 1 is not provided with a jack which is directly communicated with the interior of the panel 1; the output contact piece 2 comprises a contact end 21 electrically connected with the magnetic plug; a guide groove 11 is formed in the panel 1, and the magnetic switch 3 is slidably connected in the guide groove 11 and is provided with a magnetic induction piece 31 and a reset structure; the magnetic induction piece 31 can drive the magnetic switch 3 to slide under the action of magnetic force so as to communicate the live wire and zero line input contact pieces with the corresponding output contact pieces 2; the reset structure is used for resetting the magnetic switch 3; the safety lock 4 is used for preventing the magnetic switch 3 from communicating the live wire input contact and the zero wire input contact with the corresponding output contact 2 when the magnetic plug is not completely matched.

A typical jack is provided with a faceplate and input contacts. The panel has the characteristics of good insulating property, high temperature resistance and the like, is hollow inside, and can be provided with other conductive components. The input contacts of the live wire, the zero wire and the ground wire are used for being respectively connected with the live wire, the zero wire and the ground wire of the power supply to lead current into the socket.

The utility model discloses still be provided with two output contact and magnetic switch. The two output contact pieces of the output contact piece can be respectively arranged at the positions opposite to the input contact pieces of the live wire and the zero line and are disconnected with the input contact pieces of the live wire and the zero line; the magnetic plug also comprises a contact end which can be in a sheet shape and is exposed on the outer surface of the socket panel, so that the contact end can be conveniently electrically connected with the magnetic plug, and the surface of the panel is nonporous, as shown in fig. 7. The magnetic switch is connected in the guide groove in a sliding manner and can slide in the guide groove for a certain distance; the magnetic switch is provided with a magnetic induction piece and a reset device, and when the non-magnetic plug is matched, the magnetic switch disconnects the live wire and zero line input contact pieces from the corresponding output contact pieces under the action of the reset structure, so that the output contact pieces are uncharged, and the live wire and the zero line are double-disconnected, thereby improving the safety; when the magnetic plug is matched, the magnetic induction piece drives the magnetic switch to slide in the guide groove under the action of magnetic attraction, so that the live wire and zero wire input contact pieces are communicated with the corresponding output contact pieces, and the magnetic plug is electrified. The output contact piece can be made of nickel-plated phosphor bronze alloy; the magnetic induction piece can be made of ferromagnetic metal.

In order to further improve the safety, the utility model discloses the safety lock has still been set up. When the magnetic plug is not used or the plug is not completely matched with the socket, the safety lock is closed to block the magnetic switch from sliding, so that the magnetic switch can not completely connect the live wire and zero wire input contact pieces with the corresponding output contact pieces, and the output contact pieces are in an uncharged state; only when the magnetic plug is completely matched with the socket, the safety lock can be opened, the magnetic induction piece can drive the magnetic switch to slide in the guide groove under the action of magnetic attraction force, the live wire and zero line input contact pieces are communicated with the corresponding output contact pieces, the magnetic plug is electrified, and the safety accident caused by untight connection and poor contact of the plug and the socket is prevented.

The panel can also be provided with a commercial power normal indicator light and two electrified danger indicator lights, so that the safety is enhanced. The two poles of the commercial power normal indicator lamp are respectively connected to the live wire input contact and the zero line input contact and are used for indicating whether commercial power connection is normal or not; two poles of the earth of a electrified danger indicator lamp are connected on the output contact that live wire input contact and zero line correspond for whether the output contact that the instruction zero line corresponds is electrified, and another electrified danger indicator lamp is connected on the output contact that zero line input contact and live wire correspond for whether the output contact that the instruction live wire corresponds is electrified.

Preferably, the live wire input contact 5, the neutral wire input contact 6 and the output contact 2 are all provided with a contact 22; the live wire input contact piece and the zero wire input contact piece are respectively arranged on two sides of the magnetic switch 3; the ground wire input contact 7 is provided with a ground wire connecting end 71; the magnetic switch 3 comprises a pull rod 32 connected with the guide groove 11 in a sliding way, and the magnetic induction piece 31 is arranged at one end of the pull rod 32 facing the outside of the panel 1; one side of the guide groove 11 facing the outside of the panel 1 is provided with a limit groove 12, an opening of the limit groove 12 is provided with a ground wire connecting cover plate 13, and the ground wire connecting end 71 is arranged on the side wall of the limit groove 12 and communicated with the ground wire connecting cover plate 13.

As shown in fig. 1, 6 and 8, a limiting groove is formed in one side of the guide groove facing the outside of the panel, a ground wire connecting cover plate is arranged at an opening of the limiting groove, the ground wire connecting cover plate is exposed outside the panel and is conveniently communicated with a ground wire end of the magnetic plug, the ground wire connecting cover plate is communicated with a ground wire connecting end of the ground wire input contact, and meanwhile, the limiting groove is sealed by the ground wire connecting cover plate.

The magnetic switch further comprises a pull rod, the pull rod is connected with the guide groove in a sliding mode, a magnetic induction piece is arranged at one end of the pull rod, the magnetic induction piece can be contained in the limiting groove and can freely slide, and the magnetic induction piece can be clamped outside the guide groove to play a limiting role.

The live wire and zero line input contact pieces can be arranged on two sides of the magnetic switch, so that connection is convenient while a certain safety distance is kept. The live wire input contact piece, the zero wire input contact piece and the output contact piece are provided with contacts which can be round or square cylinders, and the area of a contact surface is increased, so that the current is more stable and reliable. The contact can be integrated with the contact piece, and the pull rod and the ground wire connecting cover plate can be made of ferromagnetic metal.

Preferably, the pull rod 32 is perpendicular to the bottom surface of the panel 1, and the other end is provided with an insulated cantilever 33, and both ends of the cantilever 33 are provided with connecting contacts 34; a compression spring 35 is arranged between the cantilever 33 and the panel 1 as a reset structure; a plug connecting sleeve 14 protruding out of the panel 1 is arranged around the ground wire connecting cover plate 13, and a clamping groove 15 is arranged on the outer side of the plug connecting sleeve 14; the contact end 21 is arranged on the outer wall of the plug connecting sleeve 14; the safety lock 4 comprises a locking sliding groove 41 arranged on the side wall of the limiting groove 12, a locking sliding block 42 connected in the locking sliding groove 41 in a sliding mode, a lock cylinder compression spring 43 connected between the locking sliding block 42 and the bottom of the locking sliding groove 41, a magnetic suction sliding groove 44 arranged on one side, facing the panel 1, of the plug connecting sleeve 14, a magnetic suction sliding block 45 connected in the magnetic suction sliding groove 44, a positioning pipe 46 communicated with the locking sliding groove 41 and the magnetic suction sliding groove 44, and a guy rope 47 arranged in the positioning pipe 46 and connecting the locking sliding block 42 and the magnetic suction sliding block 45 together.

As shown in fig. 3, 4, 5 and 9, in one embodiment, the plug is connected to the bottom surface of the socket, the pull rod of the magnetic switch is perpendicular to the bottom surface of the panel, and accordingly, the guide groove and the limiting groove are parallel to the sliding direction of the pull rod. One end of the pull rod is connected with a magnetic induction piece, the other end of the pull rod is connected with a cantilever, the cantilever can be made of insulating polycarbonate and other materials, and the pull rod can be fixedly connected with the cantilever in a threaded connection mode. The compression spring as the reset structure is arranged between the cantilever and the panel, and the connecting contact pieces are arranged at two ends of the cantilever and can move along with the movement of the pull rod. As shown in fig. 4, when no magnetic plug is connected, the cantilever arm drives the connecting contact to be separated from the live wire and zero line input contacts and the output contact under the action of the compression spring, and the output contact is not electrified; when the magnetic plug is connected, the pull rod overcomes the acting force of the compression spring to move downwards under the action of magnetic force and enables the connecting contact pieces to be respectively contacted with the contacts of the live wire input contact piece, the zero wire input contact piece and the corresponding output contact piece, and therefore the output contact pieces are electrified. Specifically, the magnetic plug can adopt the permanent magnet to produce magnetic force, the permanent magnet directly contacts with ground wire connection apron and plug connection sleeve, the volume of the permanent magnet that plug connection sleeve can hold is great relatively, the magnetic attraction that produces is also great, compression spring can adopt the spring steel preparation that elasticity is relatively weak, make magnetic attraction enough overcome compression spring's elasticity and tightly adsorb magnetic switch on ground wire connection apron, keep firm connection. The connecting contact piece can be made of nickel-plated phosphor bronze alloy.

In order to facilitate plug connection, a plug connecting sleeve is arranged around the edge of the ground wire connecting cover plate, a clamping groove is formed outside the plug connecting sleeve, and the magnetic plug can be clamped in the clamping groove and the plug connecting sleeve. In order to facilitate the circuit connection, the contact ends of the two output contacts may be disposed on the outer wall of the plug connecting sleeve and may be independent of each other, and the ground connecting cover plate may be disposed at the center of the plug connecting sleeve.

The switch lock is arranged at the joint of the plug connecting sleeve and the panel. The side wall of the limiting groove is provided with a locking sliding groove, the locking sliding block is in sliding connection with the locking sliding groove and clamped in the limiting groove under the action of the lock cylinder compression spring to block the magnetic induction piece, prevent the displacement of the magnetic switch and prevent the output contact piece from being electrified. And one side of plug connecting sleeve pipe bottom towards the panel is provided with magnetism and inhales spout and magnetism and inhales the slider, both sliding connection to magnetism inhales the spout and passes through the registration arm intercommunication with the locking spout, and magnetism inhales the slider and links together through the cable with the locking slider. The locking sliding block can be made of polycarbonate, the magnetic suction sliding block can be made of ferromagnetic metal, and the inhaul cable can be made of carbon fiber composite materials.

The magnetic suction sliding block is arranged close to the ground wire connecting cover plate, the sliding direction of the magnetic suction sliding block is perpendicular to the plugging direction of the plug, the magnetic suction sliding block can overcome resistance to slide only when a permanent magnet of the magnetic plug is completely attached to the ground wire connecting cover plate, the locking sliding block is driven by the inhaul cable to slide outwards, a space is left to enable the magnetic induction piece to move in the limiting groove, meanwhile, the lock cylinder compression spring is compressed, and the magnetic induction piece clamps the locking sliding block; when the magnetic plug is pulled out, the magnetic force disappears, the magnetic induction piece resets under the action of the compression spring, the reset space of the locking slide block is opened, and then the lock cylinder compression spring ejects the limiting piece to clamp the magnetic induction piece again.

Preferably, a drainage squeezing ring 16 is arranged on one side of the plug connecting sleeve 14 away from the panel 1 and in the clamping groove 15, and the cross section of the drainage squeezing ring 16 is triangular.

As shown in fig. 1 and 2, in one embodiment, the drainage pressing ring can be matched with the groove and the drainage micro-hole of the magnetic plug, the water is gasified to generate volume expansion by utilizing the structure that the drainage pressing ring is in interference fit with the groove and the temperature generated by current when the plug is connected, and the water at the connection part is completely drained from the drainage micro-hole, so that the socket plug can be used underwater. The triangular cross section makes the bending surface of the connection less, which is beneficial to draining water. The drainage extrusion ring can be made of polycarbonate and is covered with a rubber sealing material with good elasticity.

Preferably, the pull rod 32 is perpendicular to the side surface of the panel 1, and the pull rod 32 is hinged with two insulated push rods 36 through a shaft pin, and the push rods 36 are respectively connected to the live wire input contact and the neutral wire input contact; the panel 1 is provided with plug connecting grooves 17 at two sides of the magnetic switch 3, the output contact piece 2 is arranged on the side wall of the plug connecting groove 17 facing the magnetic switch 3, and the contact 22 of the output contact piece 2 is arranged at the position corresponding to the contact 22 of the live wire and zero wire input contact pieces; the safety lock 4 comprises an elastic locking piece 48 and a pressure lever 49, the elastic locking piece 48 is provided with an extension arm, the extension arm is provided with a first fixed end 481 fixedly connected to the inner wall of the plug connecting groove 17, and one surface of the elastic locking piece 48 facing the plug connecting groove 17 is provided with an oblique opening 482; the pressing rod 49 comprises a second fixed end 491 fixedly connected to the side wall of the plug connecting groove 17, a pressing nail 492 penetrating through the side wall of the plug connecting groove 17, and a bevel-pushing plate 493 matched with the bevel-opening 482, wherein the pressing nail 492 is further provided with a spherical rubber button 494 protruding out of the end of the plug connecting groove 17, and the spherical rubber button 494 and the pressing nail 492 are close to the bottom surface of the plug connecting groove 17.

In another embodiment, as shown in fig. 10 to 16, the plug is mainly connected to the side of the panel, and the pull rod is perpendicular to the side of the panel, and if the panel is circular, the pull rod extends along the diameter of the panel, and accordingly, the guide groove, the limiting groove and the pull rod extend in parallel. The one end that the pull rod outwards is provided with the magnetic induction spare, and the pull rod other end articulates through the pivot has two push rods, and two push rods are connected with live wire, the zero line input contact piece that sets up in magnetic switch both sides respectively. Specifically, as shown in fig. 12 and 13, the push rod may be U-shaped, a connecting rod is disposed in the middle, and the push rod is clamped in the middle at two sides to enhance stability; the part of the input contact piece close to the contact is wound into a circular cavity, and the connecting rod is rotatably connected in the circular cavity. The push rod drives the contact of the output contact piece to be far away from or close to the magnetic switch along with the movement of the pull rod. The push rod can be made of insulated polycarbonate; the live wire and zero line input contact pieces can be made into structures such as snap springs and elastic pieces by adopting nickel-plated phosphor bronze alloy, the movement and the reset are completed by utilizing the elasticity of the contact pieces, the contact pieces serve as reset structures, and the phosphor bronze alloy has good elasticity and conductivity.

The panel is provided with plug connecting grooves at two sides of the magnetic switch, and the part of the panel between the two plug connecting grooves forms a fan shape or a dovetail shape for clamping the plug. The two output contact pieces are respectively arranged on the side walls of the two plug connecting grooves facing the magnetic switch, the contact ends of the two output contact pieces are exposed out of the outer walls of the plug connecting grooves to be conveniently contacted, and the contacts of the two output contact pieces penetrate through the side walls of the plug connecting grooves and protrude into the cavity in the panel, so that the two output contact pieces can be contacted with the contacts of the live wire input contact pieces and the zero wire input contact pieces. The outer wall of the plug connecting groove is the outward side of the plug connecting groove.

The switch lock is arranged in the panel cavity and clings to the inner wall of the plug connecting groove and comprises an elastic locking plate and a pressure lever. As shown in fig. 15 and 16, an extension arm is disposed on one side of the elastic locking piece, a first fixed end of the extension arm is fixedly connected to an inner wall of the plug connection groove, and an inclined opening is further disposed on a side of the elastic locking piece facing the plug connection groove. The depression bar includes second stiff end, button, oblique push pedal and sphere rubber button. The second fixed end fixes the pressing rod on the inner wall of the plug connecting groove, the press nail penetrates through the side wall of the plug connecting groove and protrudes out of the plug connecting groove, the press nail is connected with a spherical rubber button, and the inclined push plate is arranged on one side of the pressing rod in the panel cavity and is matched with an inclined opening of the elastic locking plate. The elastic locking plate and the pressure lever can be made of 65Mn spring steel, and the angle of the inclined opening and the inclined push plate can be 60 degrees.

Specifically, the location of the spherical rubber button and the push pin may be at the bottom of the plug connection recess. When the magnetic plug is not connected, the switch lock is in the original position, the elastic locking plate is clamped in the moving direction of the input contact piece of the live wire and the zero wire to prevent the elastic locking plate from being communicated with the contact of the output contact piece, and the output contact piece is not electrified. When the magnetic plug is connected, the spherical rubber button is positioned at the bottom of the plug connecting groove, the plug can extrude the spherical rubber button only after the spherical rubber button is completely inserted, then the press pin of the press rod is pushed to move towards the panel cavity and elastically deform around the second fixed end, so that the inclined push plate is far away from the inner side wall of the plug connecting groove, under the action of inclined plane matching, the inclined push plate pushes the elastic locking plate to elastically deform around the first fixed end, the direction of elastic deformation is parallel to the vertical inner wall of the plug connecting groove, so that the elastic locking plate is dislocated with the live wire and zero wire input contact, and no blocking is formed any more; meanwhile, a second permanent magnet of the magnetic plug attracts the magnetic induction piece to drive the pull rod to move towards the ground wire connecting cover plate, the push rod drives the live wire input contact piece and the zero wire input contact piece to overcome the elasticity of the live wire input contact piece and the zero wire input contact piece to move towards the corresponding output contact piece, the respective contacts are communicated, and the output contact pieces are electrified. After the magnetic plug is pulled out, the magnetic attraction disappears, the live wire and zero line input contact pieces on the two sides of the magnetic switch reset under the action of the elastic force of the live wire and zero line input contact pieces, and the pull rod and the magnetic induction piece are pushed to reset together; the pressure lever and the elastic locking plate return to the original position under the action of self elastic force.

Preferably, the magnetic switch 3, the plug connecting groove 17, the safety lock 4, the output contact 2, and the live wire, the zero wire and the ground wire input contact are a group of jacks, a plurality of groups of jacks are uniformly distributed on the panel 1 in an annular manner, and two adjacent groups of jacks share one plug connecting groove 17.

As shown in fig. 10 and 11, in one embodiment, the panel may be circular, and the magnetic switch, the plug connection groove, the safety lock, the output contact, and the live wire, the neutral wire, and the ground wire input contact are used as a set of sockets, a plurality of sets of the sockets are uniformly distributed on the panel in a ring shape, and two sets of adjacent sockets share one plug connection groove, so that a plurality of sets of sockets are implemented on one panel to save space.

Preferably, the panel 1 is further provided with a ring-shaped live wire flat cable 51, a zero wire flat cable 61 and a ground wire flat cable 72 which are respectively and electrically connected with the live wire, the zero wire and the ground wire, and the two live wire input contact pieces 5 or the zero wire input contact pieces 6 on the two sides of the plug connecting groove 17 are integrally formed and are respectively connected to the live wire flat cable 51 and the zero wire flat cable 61; the ground input contact 7 is connected to the ground cable 72.

As shown in fig. 11, in the panel with multiple sets of sockets, in order to optimize the line connection, annular hot, neutral and ground cables are arranged in the panel; as shown in fig. 14, two live wire input contacts of two adjacent sets of sockets may be integrally formed to form a U-shaped snap spring structure, and the two live wire input contacts are respectively disposed at two sides of one plug connecting groove and communicated with a live wire cable; the zero line input contact is the same as the live line input contact. The flat cable of the live wire, the zero wire and the ground wire can be made of nickel-plated phosphor bronze alloy, and the phosphor bronze alloy has good elasticity and conductivity.

The utility model provides a magnetic plug for cooperate with magnetic switch socket, includes circular lid 8, be provided with two circular-arc first contact pieces 81 on the lid 8 inner wall, lid 8 central authorities are provided with mount pad 82, mount pad 82 is provided with first permanent magnet 83, still be provided with annular first ground wire contact piece 84 between first permanent magnet 83 and the mount pad 82.

As shown in fig. 17-21, in one embodiment, the cover of the magnetic plug may be circular, and after the magnetic plug is connected to the socket, the edge of the side wall of the cover is clamped in the clamping groove of the socket, and the cover is interference-fitted with the plug connecting sleeve on the socket to obtain a stable connection. The inner wall of the cover body is provided with two circular-arc first contact pieces which are respectively connected with contact ends of two output contact pieces on the outer wall of the socket connecting sleeve so as to be connected with a live wire and a zero wire of a power supply, and the annular first ground wire contact piece is connected with the ground wire connecting cover plate on the socket through the first permanent magnet so as to be connected with a ground wire of the power supply. The first permanent magnet may power the switch lock and the magnetic switch. Because first contact piece and output contact all have certain length, plug connecting sleeve is circular, under the prerequisite of guaranteeing the switching on power, the lid can carry out rotation by a wide margin for plug connecting sleeve to the angle of adjustment plug cable conductor prevents that the cable conductor from buckling for a long time and damaging. The cover body can be made of insulating materials with high strength and certain elasticity, such as polychloroprene rubber and the like; the first permanent magnet can be a neodymium iron boron magnet, and the surface of the first permanent magnet can be electroplated with nickel, copper and nickel to enhance the conductivity; the first contact pad and the first ground contact pad may be made of nickel-plated phosphor bronze alloy.

Preferably, a groove 85 is arranged on the edge of the side wall of the cover body 8 and between the cover body 8 and the mounting seat 82, and a plurality of drainage micropores 86 are arranged at the bottom of the groove 85.

As shown in fig. 1 and 18, the two grooves are in interference fit with the drainage pressing rings corresponding to the positions on the socket, after the plug is connected to the socket, liquid water between the two grooves can be pressed out by the physical structure of the plug and is discharged from the drainage micropores, and finally the drainage pressing rings seal the drainage micropores from the inside under the action of the pressing force; after the power supply is switched on, the residual moisture can be vaporized by the high temperature generated by the current, the internal pressure is further increased, and the external moisture is prevented from permeating. The drainage micro-holes are schematically shown in fig. 19, and the size and number thereof are only illustrative, and specifically, the diameter of the drainage micro-holes may be less than 0.5 mm. Furthermore, the edge of the side wall of the cover body is divided into an inner part and an outer part by the groove, and the inner part and the outer part can be covered with elastic sealing materials such as rubber and the like to play a role in sealing.

The utility model provides a magnetic plug for cooperate with magnetic switch socket, includes casing 9, casing 9 is inside to be provided with mounting groove 91, be provided with two second contact pieces 92 on the mounting groove 91 lateral wall, be provided with second permanent magnet 93 in the casing 9, second permanent magnet 93 exposes on one side the lateral wall and the opposite side of mounting groove 91 are connected with second ground contact piece 94.

In another embodiment, as shown in fig. 22, the magnetic plug includes a housing having a mounting slot therein for interference fit with a protrusion on the receptacle between two plug coupling recesses, the protrusion may be scalloped or dovetailed to allow the plug to snap onto the protrusion. The side wall of the mounting groove corresponding to the contact end of the two output contact pieces is provided with a second contact piece so as to switch on a live wire and a zero wire of a power supply; the second ground contact piece is connected with the ground connection cover plate through the second permanent magnet so as to be connected with the ground of the power supply. The second permanent magnet provides magnetic force for the magnetic switch. The shell can be made of polycarbonate and other insulating high-temperature-resistant materials; the second permanent magnet can be a neodymium iron boron magnet, and the surface of the second permanent magnet can be plated with nickel, copper and nickel to enhance the conductivity; the second contact piece and the second ground contact piece may be made of a nickel-plated phosphor bronze alloy.

The foregoing is directed to one or more embodiments of the present invention, which are described in some detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a magnetic switch socket, includes hollow panel (1), sets up in panel (1) and respectively with live wire, zero line and the ground wire input contact of live wire, zero line and the ground wire electricity connection, its characterized in that: the device also comprises two output contact pieces (2), a magnetic switch (3) and a safety lock (4); the outer surface of the panel (1) is not provided with a jack which is directly communicated with the interior of the panel (1);

the output contact piece (2) comprises a contact end (21) electrically connected with the magnetic plug;

a guide groove (11) is formed in the panel (1), the magnetic switch (3) is connected in the guide groove (11) in a sliding mode and is provided with a magnetic induction piece (31) and a reset structure;

the magnetic induction piece (31) can drive the magnetic switch (3) to slide under the action of magnetic force so as to communicate the live wire and zero wire input contact pieces with the corresponding output contact pieces (2); the reset structure is used for resetting the magnetic switch (3);

the safety lock (4) is used for preventing the magnetic switch (3) from communicating the live wire input contact and the zero wire input contact with the corresponding output contact (2) when the magnetic plug is not completely matched.

2. A magnetic switch socket according to claim 1, wherein: the live wire input contact (5), the zero line input contact (6) and the output contact (2) are all provided with contacts (22); the live wire input contact piece and the zero wire input contact piece are respectively arranged on two sides of the magnetic switch (3); the ground wire input contact (7) is provided with a ground wire connecting end (71); the magnetic switch (3) comprises a pull rod (32) connected with the guide groove (11) in a sliding manner, and the magnetic induction piece (31) is arranged at one end, facing the outside of the panel (1), of the pull rod (32); the guide groove (11) faces one side outside the panel (1) and is provided with a limiting groove (12), an opening of the limiting groove (12) is provided with a ground wire connecting cover plate (13), and a ground wire connecting end (71) is arranged on the side wall of the limiting groove (12) and communicated with the ground wire connecting cover plate (13).

3. A magnetic switch socket according to claim 2, wherein: the pull rod (32) is perpendicular to the bottom surface of the panel (1), an insulated cantilever (33) is arranged at the other end of the pull rod, and connecting contact blades (34) are arranged at two ends of the cantilever (33); a compression spring (35) is arranged between the cantilever (33) and the panel (1) and is used as a reset structure;

a plug connecting sleeve (14) protruding out of the panel (1) is arranged around the ground wire connecting cover plate (13), and a clamping groove (15) is arranged on the outer side of the plug connecting sleeve (14); the contact end (21) is arranged on the outer wall of the plug connecting sleeve (14);

safety lock (4) are including setting up locking spout (41), sliding connection on spacing groove (12) lateral wall are in locking slider (42), connection in locking spout (41) are in lock core compression spring (43), setting between locking slider (42) and locking spout (41) bottom are in plug connecting sleeve (14) orientation spout (44), sliding connection are inhaled to magnetism of panel (1) one side inhale slider (45), intercommunication in the spout (44) are inhaled to magnetism locking spout (41) with inhale registration arm (46), the setting of spout (44) and be in registration arm (46) and will locking slider (42) with inhale cable (47) that slider (45) link together of magnetism.

4. A magnetic switch socket according to claim 3, wherein: one side of the plug connecting sleeve (14) far away from the panel (1) and the clamping groove (15) are both provided with a drainage extrusion ring (16), and the cross section of the drainage extrusion ring (16) is triangular.

5. A magnetic switch socket according to claim 2, wherein: the pull rod (32) is perpendicular to the side face of the panel (1), the pull rod (32) is hinged with two push rods (36) through a shaft pin, and the push rods (36) are respectively connected to the live wire input contact and the zero wire input contact;

plug connecting grooves (17) are formed in the panel (1) on two sides of the magnetic switch (3), the output contact sheet (2) is arranged on the side wall, facing the magnetic switch (3), of the plug connecting groove (17), and the contact (22) of the output contact sheet (2) is arranged at the position corresponding to the contact (22) of the live wire and zero wire input contact sheets;

the safety lock (4) comprises an elastic locking plate (48) and a pressure lever (49), the elastic locking plate (48) is provided with an extension arm, the extension arm is provided with a first fixed end (481) fixedly connected to the inner wall of the plug connecting groove (17), and one surface, facing the plug connecting groove (17), of the elastic locking plate (48) is provided with an oblique opening (482); the pressure lever (49) comprises a second fixed end (491) fixedly connected to the inner wall of the plug connecting groove (17), a press nail (492) penetrating through the side wall of the plug connecting groove (17) and an inclined pushing plate (493) matched with the inclined opening (482), the end, protruding out of the plug connecting groove (17), of the press nail (492) is further provided with a spherical rubber button (494), and the spherical rubber button (494) and the press nail (492) are close to the bottom surface of the plug connecting groove (17).

6. A magnetic switch socket according to claim 5, wherein: magnetic force switch (3), plug connection recess (17), safety lock (4), output contact (2) and live wire, zero line, ground wire input contact are a set of socket, and the multiunit the socket is annular evenly distributed on panel (1), a plug connection recess (17) is shared to two adjacent sockets.

7. A magnetic switch socket according to claim 6, wherein: the panel (1) is also internally provided with a fire wire flat cable (51), a zero wire flat cable (61) and a ground wire flat cable (72) which are annular and are respectively and electrically connected with a fire wire, a zero wire and a ground wire, and the two fire wire input contact pieces (5) or the zero wire input contact pieces (6) at the two sides of the plug connecting groove (17) are integrally formed and are respectively connected to the fire wire flat cable (51) and the zero wire flat cable (61); the ground wire input contact (7) is connected to the ground wire (72).

8. A magnetic plug for mating with a magnetic switch socket according to any one of claims 1 to 4, wherein: including circular lid (8), be provided with two circular-arc first contact piece (81) on lid (8) inner wall, lid (8) central authorities are provided with mount pad (82), mount pad (82) are provided with first permanent magnet (83), still be provided with annular first ground wire contact piece (84) between first permanent magnet (83) and mount pad (82).

9. A magnetic plug according to claim 8, wherein: the water draining cover is characterized in that a groove (85) is formed in the edge of the side wall of the cover body (8) and between the cover body (8) and the mounting seat (82), and a plurality of water draining micropores (86) are formed in the bottom of the groove (85).

10. A magnetic plug for mating with a magnetic switch socket according to any one of claims 5 to 7, wherein: including casing (9), casing (9) inside is provided with mounting groove (91), be provided with two second contact pieces (92) on mounting groove (91) lateral wall, be provided with second permanent magnet (93) in casing (9), expose second permanent magnet (93) one side the lateral wall and the opposite side of mounting groove (91) are connected with second ground contact piece (94).