CN110676633B

CN110676633B - Safe three-pin socket

Info

Publication number: CN110676633B
Application number: CN201911081812.2A
Authority: CN
Inventors: 曲铭凯; 赵桂萍
Original assignee: Guangdong Honghao Industrial Co ltd
Current assignee: GUANGDONG HONGHAO INDUSTRIAL Co.,Ltd.
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2021-07-02
Anticipated expiration: 2039-11-07
Also published as: CN110676633A

Abstract

The invention discloses a safe tripod socket which comprises a socket shell and a power-on assembly, wherein the socket shell is provided with a socket opening; the electrifying assembly comprises an electrode mounting seat and an electrifying seat, wherein the electrode mounting seat is coaxially provided with a ground wire connecting ring, a zero line connecting ring and a live wire connecting ring, and the upper end of the electrifying seat is provided with a jack; the lower end of the electrifying seat is provided with a conductive head and a pressing plate; the upper end of the pressing plate is rotatably connected with an insulating blocking piece used for blocking the connection of the conductive head with the zero line connecting ring and the live wire connecting ring and is fixedly connected with a reed; the ground wire pin is inserted into the socket, so that the conductive head connected with the ground wire moves downwards to drive the insulating blocking piece to rotate, and the insulating blocking piece cannot block the zero line connecting ring and the live wire connecting ring. The arrangement of the electrifying assembly and the electrode mounting base enables the three-pin plug to be inserted into the socket and can rotate 360 degrees, and the angle can be automatically adjusted when the three-pin plug is not long enough or is difficult to be inserted into the socket at a fixed angle; due to the existence of the insulating separation blade, when the socket is in a power-on state, a conductor is inserted into the jack and cannot conduct electricity with the power transmission line, so that the occurrence of electric shock accidents is avoided.

Description

Safe three-pin socket

Technical Field

The invention belongs to the technical field of sockets, and particularly relates to a safe three-pin socket.

Background

The three-pin plug is inserted into a three-pin socket and used for supplying power to electric equipment, the three-pin plug comprises a ground wire pin, a zero wire pin and a live wire pin, most of the three-pin sockets in the market are fixed sockets at present, the three-pin plug is difficult to be inserted into the socket at a fixed angle when the power wire is not long enough, and the fixed socket limits the insertion direction of the plug, so that the power wire of the plug can be used only by being bent; and the contact that is connected with the power in general socket is located the jack below, then can electrically conduct when having the conductor to insert and cause the accident, has great potential safety hazard to children, and it is also easy deposition too idle for a long time simultaneously.

Chinese patent No. CN101814683B discloses a rotary socket, which includes a rotary component, a fixing base and a power cord; the fixing seat is used for fixing the rotating assembly and can be respectively and electrically connected with the rotating assembly and the power line; the rotating assembly comprises a plurality of conductive terminals positioned on different rotating tracks, the fixed seat comprises a plurality of conductive sheets, and each conductive sheet is provided with an annular contact area with different sizes and is used for keeping electric connection with the conductive terminals when the rotating assembly rotates on the fixed seat, so that the plug is inserted into the rotating assembly to rotate, and the rotating function of the socket is realized; although the socket is convenient to use, when a conductor is inserted into the jack, the socket still can be electrified with a power supply under the condition that the socket is electrified, and the potential safety hazard still exists.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defect that the conductor is still electrified with a power supply when being inserted into the jack in the prior art, the safe three-pin socket with the protection function is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a secure tripod socket comprising a socket housing and one or more power-on components mounted within the socket housing; the socket shell comprises an upper seat body and a lower seat body; the electrifying assembly comprises an electrode mounting seat fixedly connected to the inner bottom surface of the lower seat body and an electrifying seat rotatably connected to the upper end surface of the upper seat body; jacks for plugging pins of the three-pin plug are formed at the upper end of the power-on seat; the electrode mounting base is coaxially provided with an annular ground wire connecting ring, an annular zero wire connecting ring and an annular live wire connecting ring which are respectively connected with a ground wire, a zero wire and a live wire; three guide cylinders are formed at the lower end of the electrifying seat; three conductive heads used for being connected with the ground wire connecting ring, the zero line connecting ring and the live wire connecting ring are arranged in the guide cylinder; and each conductive head is respectively connected in the guide cylinder in a sliding manner.

A pressing plate which rotates synchronously with the electrifying seat is arranged below each conducting head at the lower end of the electrifying seat; the upper end of the pressing plate is rotatably connected with an insulating blocking piece; the upper end of the pressing plate is fixedly connected with a reed of which one end is abutted against the insulating blocking piece; the insulating blocking piece blocks each conducting head from being connected with the zero line connecting ring and the live wire connecting ring; and the ground wire pin on the three-pin plug is inserted into the socket, so that the conductive head connected with the ground wire moves downwards to drive the insulating separation blade to rotate, and the insulating separation blade cannot block the zero line connecting ring and the live wire connecting ring.

As an optimization scheme: three connecting rings for fixing the ground wire connecting ring, the zero line connecting ring and the live wire connecting ring are formed at the upper end of the electrode mounting seat; the upper end of each conductive head is fixedly connected with a plug connecting sheet used for clamping a pin; the conductive heads connected with the ground wire connecting ring, the zero line connecting ring and the live wire connecting ring are respectively marked as a ground wire conductive head, a zero line conductive head and a live wire conductive head; the lower end of the ground wire conductive head is fixedly connected with a ground wire guide post; the lower end of the zero line conducting head is fixedly connected with a zero line guide post; the lower end of the live wire conducting head is fixedly connected with a live wire guide pillar; the ground wire guide post, the zero wire guide post and the live wire guide post are respectively connected with the corresponding plug connecting pieces.

A ground wire hole, a zero wire hole and a fire wire hole are formed in the upper end of the pressing plate corresponding to the positions of the ground wire guide post, the zero wire guide post and the fire wire guide post; a ground wire stop block, a zero line stop block and a live wire stop block are formed at the positions, corresponding to the ground wire hole, the zero line hole and the live wire hole, of the insulating blocking piece; an inclined plane facing the ground wire guide post is formed at the upper end of the ground wire stop block; when the ground wire guide post abuts against the ground wire stop block, the distance between the lower end of the zero wire guide post and the zero wire stop block and the distance between the lower end of the live wire guide post and the live wire stop block are larger than the thickness of the ground wire stop block.

A sliding strip is formed on the inner wall of the guide cylinder in the vertical direction; a sliding groove in sliding connection with the sliding strip is formed in the side wall of each conductive head; when the conductive head slides in the guide cylinder, the insulating blocking piece can rotate or reset, and then the three-pin plug is electrified and powered off.

As an optimization scheme: the power-on socket comprises a socket cover; a non-cylindrical rotating column is formed in the center of the lower end of the seat cover; a rotating hole in sliding connection with the rotating column is formed in the center of the pressing plate; a support ring for supporting the pressing plate is formed at the lower part of the side wall of the rotating column; a limiting hole is formed at the lower end of the rotating column; the electrode mounting seat is characterized in that a limiting column which is inserted into the limiting hole is formed in the center of the upper end of the bottom surface of the electrode mounting seat, and the relative positions of the seat cover, the pressing plate and the electrode mounting seat can be limited.

As an optimization scheme: the socket shell is provided with a power transmission line, and a first connecting line, a second connecting line and a third connecting line which are respectively connected with a ground wire, a zero line and a live wire of the power transmission line; the first connecting line is connected with the ground wire connecting ring; the second connecting wire is connected with the zero line connecting ring; the third connecting wire is connected with the live wire connecting ring, so that the ground wire connecting ring is connected with the ground wire, the zero line connecting ring is connected with the zero line, and the live wire connecting ring is connected with the live wire.

As an optimization scheme: and the upper end of the inner wall of each guide cylinder is fixedly connected with a dustproof strip for preventing dust from entering the guide cylinder.

As an optimization scheme: the lower end of the inner wall of the guide cylinder is formed with an anti-drop plate, and the upper part of the inner wall is formed with a limiting block, so that the stroke of the conductive head can be limited, and the three-pin plug can be smoothly pulled out.

Compared with the prior art, the invention has the beneficial effects that: and the ground wire stop block, the zero line stop block and the live wire stop block the ground wire hole, the zero line hole and the live wire hole respectively in an initial state, and the ground wire guide pillar, the zero line guide pillar and the live wire guide pillar are positioned above the insulating stop sheet.

When the three-pin plug is used, the three-pin plug is inserted into the electrifying assembly, each pin of the three-pin plug is inserted into the plug connecting sheet, the lower end of each pin abuts against the conductive head in the inserting process of the three-pin plug to enable the conductive head to move downwards, the ground wire pin of the three-pin plug pushes the ground wire guide pillar to enable the lower end of the ground wire guide pillar to abut against the inclined plane of the ground wire stop block, the ground wire guide pillar moves downwards to drive the insulating stop piece to rotate by taking the stop piece column as a shaft, the ground wire stop block moves towards the abutting block, the zero line stop block is staggered with the zero line hole; and as the three-pin plug continues to move downwards, the ground wire guide post, the zero wire guide post and the live wire guide post respectively penetrate through the ground wire hole, the zero wire hole and the live wire hole and respectively contact with the ground wire connecting ring, the zero wire connecting ring and the live wire connecting ring to electrify the three-pin plug.

The plug connecting sheet clamps each pin, the conductive head is driven to move upwards when the three-pin plug is pulled out, the ground wire guide post, the zero wire guide post and the live wire guide post respectively move upwards and are separated from the insulating blocking piece, and the three-pin plug is powered off at the moment; and then the reed is reset to push the insulating blocking piece to reset, so that the ground wire block, the zero wire block and the live wire block the ground wire hole, the zero wire hole and the live wire hole again.

The arrangement of each electrifying assembly and the electrode mounting seat enables the three-pin plug to be inserted into the socket and can rotate 360 degrees, so that the angle can be automatically adjusted when the power wire is not long enough or the three-pin plug is difficult to be inserted into the socket at a fixed angle; the insulating blocking pieces which are arranged below the conducting heads and used for blocking the ground wire guide posts, the zero line guide posts and the live wire guide posts are used for preventing a conductor from conducting electricity with a power transmission line when the socket is in a power-on state, so that the occurrence of electric shock accidents is avoided, meanwhile, the pins corresponding to the ground wires are abutted against the conducting heads, the insulating blocking pieces are rotated through the ground wire pins of the three-pin plug in the process that the three-pin plug is inserted into the socket to realize the conduction of the live wire pins and the zero line pins, and the structure can be suitable for common sockets and rotary sockets; the side walls of the connecting rings are circumferentially provided with a ground wire connecting ring, a zero line connecting ring and a live wire connecting ring respectively, and the connecting rings are contacted with a ground wire guide pillar, a zero line guide pillar and a live wire guide pillar respectively so that the plug can be always kept in a power-on state; the lower end of the inner wall of the guide cylinder is formed with an anti-drop plate, and the inner wall is formed with a limiting block which can limit the stroke of the conductive head and enable the three-pin plug to be smoothly pulled out; the plug connecting piece fixedly connected with the upper end of the conductive head has elasticity, so that the three-pin plug can conduct electricity smoothly when inserted and can drive the conductive head to move upwards through friction force when pulled out; the power failure is realized by pulling out the three-pin plug and resetting the reed and the insulating separation blade; the upper end of the inner wall of each guide cylinder is fixedly connected with a dustproof strip, and the dustproof effect is achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

Fig. 3 is a schematic structural view of the energizing assembly.

Fig. 4 is an exploded view of the power socket.

Fig. 5 is a schematic sectional view of the seat cover.

Fig. 6 is a schematic view of the structure of the seat cover.

Fig. 7 is a schematic diagram of a structure of three conductive heads.

Fig. 8 is a schematic structural view of an insulating barrier.

Fig. 9 is a schematic view of the structure of the pressing plate.

Fig. 10 and 11 are schematic structural views of the electrode mount.

1. A power-on seat; 11. a seat cover; 111. a guide cylinder; 1111. an anti-drop plate; 1112. a slide bar; 1113. a limiting block; 112. positioning a plate; 113. a jack; 1131. a dust-proof strip; 115. rotating the column; 1151. a support ring; 1152. a limiting hole; 12. a conductive head; 12a, a ground wire conductive head; 12b, a zero line conductive head; 12c, a live wire conducting head; 121a, a ground wire guide post; 121b, a neutral wire guide post; 121c, a live wire guide post; 124. a sliding groove; 125. a plug connecting sheet; 10. a power-on component; 2. a pressing plate; 21. an insulating barrier sheet; 211. a ground wire stop block; 2111. a bevel; 212. a zero line stop block; 213. a live wire stop block; 214. a catch hole; 22. a ground wire hole; 23. a zero line hole; 24. a fire wire hole; 25. a catch column; 26. a reed; 27. a resisting block; 28. rotating the hole; 3. an electrode mount; 31. a ground wire connecting ring; 32. a zero line connecting ring; 321. a zero line connecting sheet; 33. a live wire connecting ring; 331. a live wire connecting sheet; 34. a connecting ring; 341. a first separation tank; 342. a second separation tank; 343. a third separation tank; 344. a ground wire through hole; 35. positioning holes; 36. a limiting column; 4. a socket housing; 41. an upper base body; 411. positioning a groove; 42. a lower seat body; 421. a positioning ring; 51. a first connecting line; 52. a second connecting line; 53. a third connecting line; 6. and (4) a power transmission line.

Detailed Description

Example 1

Referring to fig. 1 to 11, a safety tripod socket according to the present embodiment includes a socket housing 4 and one or more power-on assemblies 10 installed in the socket housing 4; the socket shell 4 comprises an upper seat body 41 and a lower seat body 42; the electrifying assembly 10 comprises an electrode mounting base 3 fixedly connected to the inner bottom surface of the lower base body 42 and an electrifying base 1 rotatably connected to the upper end surface of the upper base body 41; the electrode mounting base 3 is formed with a positioning hole 35; a positioning ring 421 for positioning each positioning hole 35 is formed on the inner bottom surface of the lower seat body 42; the upper end of the power-on base 1 is formed with a jack 113 for plugging each pin of the three-pin plug; the electrode mounting base 3 is coaxially provided with an annular ground wire connecting ring 31, a zero wire connecting ring 32 and a live wire connecting ring 33 which are respectively connected with a ground wire, a zero wire and a live wire; three guide cylinders 111 are formed at the lower end of the electrifying seat 1; three conductive heads 12 connected with the ground wire connecting ring 31, the zero wire connecting ring 32 and the live wire connecting ring 33 are installed in the guide cylinder 111; each of the conductive heads 12 is slidably connected in the guide cylinder 111. Through the arrangement of the electrifying assembly 10 and the electrode mounting seat 3, the three-pin plug can be inserted into the socket to rotate 360 degrees, so that the three-pin plug can be inserted into the socket to realize electrifying when the wire is not long enough or the three-pin plug is difficult to insert into the socket at a fixed angle.

A pressing plate 2 which rotates synchronously with the power-on seat 1 is arranged below each conductive head 12 at the lower end of the power-on seat 1; the upper end of the pressing plate 2 is rotatably connected with an insulating baffle 21; a spring 26 with one end abutting against the insulating barrier 21 is fixedly connected to the upper end of the pressing plate 2; the insulation blocking sheet 21 blocks each conductive head 12 from being connected with the zero line connecting ring 32 and the live line connecting ring 33; the ground pin on the three-pin plug is inserted into the socket, so that the conductive head 12 connected with the ground wire moves downwards to drive the insulating blocking sheet 21 to rotate, and the insulating blocking sheet 21 cannot block the zero line connecting ring 32 and the live wire connecting ring 33. The insulating blocking pieces 21 arranged below the conducting heads 12 enable conductors to be independently or simultaneously inserted into the jacks 113 corresponding to the zero line or the live line to be not conductive when the socket is in a power-on state, electric shock accidents are avoided, meanwhile, the ground pins are abutted against the conducting heads 12, and the insulating blocking pieces 21 are driven to rotate by the ground pins of the three-pin plug in the process that the three-pin plug is inserted into the socket, so that the live line pins and the zero line pins are conducted.

Three connecting rings 34 for fixing the ground wire connecting ring 31, the zero line connecting ring 32 and the live wire connecting ring 33 are formed at the upper end of the electrode mounting seat 3; a plug connecting piece 125 for clamping a pin is fixedly connected to the upper end of each conductive head 12; the conductive heads 12 connected with the ground wire connecting ring 31, the zero wire connecting ring 32 and the live wire connecting ring 33 are respectively marked as a ground wire conductive head 12a, a zero wire conductive head 12b and a live wire conductive head 12 c; the lower end of the ground wire conductive head 12a is fixedly connected with a ground wire guide post 121 a; the lower end of the zero line conducting head 12b is fixedly connected with a zero line guide post 121 b; the lower end of the live wire conducting head 12c is fixedly connected with a live wire guide post 121 c; the distances from the ground wire guide post 121a, the zero wire guide post 121b and the live wire guide post 121c to the energizing component 10 are unequal and do not interfere with each other, that is, the ground wire guide post 121a is only connected with the ground wire connecting ring 31, the zero wire guide post 121b is only connected with the zero wire connecting ring 32, and the live wire guide post 121c is only connected with the live wire connecting ring 33, so as to prevent the circuit from generating interference and short circuit; the ground wire guide post 121a, the neutral wire guide post 121b and the live wire guide post 121c are respectively connected to the corresponding plug connecting piece 125, that is, the plug connecting piece 125 on the ground wire conductive head 12a is connected to the ground wire guide post 121a, the plug connecting piece 125 on the neutral wire conductive head 12b is connected to the neutral wire guide post 121b, and the plug connecting piece 125 on the live wire conductive head 12c is connected to the live wire guide post 121 c; the plug connecting piece 125 has elasticity, and can clamp each pin tightly when the three-pin plug is inserted into the socket, so that the three-pin plug can be conducted with the ground wire connecting ring 31, the zero line connecting ring 32 and the live wire connecting ring 33 when inserted and can conduct electricity smoothly, and the three-pin plug can be driven by friction force to move up the conductive head 12 when pulled out.

A supporting block 27 fixedly connected with the other end of the reed 26 is formed at the upper end of the pressing plate 2; a separation blade column 25 is formed at the upper end of the pressing plate 2; a baffle hole 214 is formed in the insulating baffle 21; the baffle column 25 is rotatably connected with the baffle hole 214; the pressing plate 2 is provided with a ground wire hole 22, a zero wire hole 23 and a fire wire hole 24 which are respectively formed under the ground wire guide post 121a, the zero wire guide post 121b and the fire wire guide post 121 c; a ground wire stop 211, a zero wire stop 212 and a live wire stop 213 are formed on the insulating baffle 21 corresponding to the positions of the ground wire hole 22, the zero wire hole 23 and the live wire hole 24; the distance between the ground wire stopper 211 and the stopper hole 214 (denoted as L1) is smaller than the distance between the neutral wire stopper 212 and the stopper hole 214 (denoted as L2) or the distance between the live wire stopper 213 and the stopper hole 214 (denoted as L3), i.e., L1< L2, L1< L3; further, 2L1< L2, 2L1< L3; an inclined surface 2111 facing the ground wire guide post 121a is formed at the upper end of the ground wire stopper 211; when the ground wire guide post 121a abuts against the ground wire stopper 211, the distance between the lower end of the zero wire guide post 121b and the zero wire stopper 212 and the distance between the lower end of the live wire guide post 121c and the live wire stopper 213 are greater than the thickness of the ground wire stopper 211; the ground pin of the three-pin plug pushes the corresponding conductive head 12 to make the lower end of the ground guide post 121a abut against the inclined surface 2111 of the ground stopper 211, at this time, the ground guide post 121a moves down to drive the insulating barrier 21 to rotate by taking the barrier post 25 as a shaft, so that the ground stopper 211 moves towards the abutting block 27, the zero line stopper 212 is staggered with the zero line hole 23, the live line stopper 213 is staggered with the live line hole 24, and at this time, the reed 26 is compressed; as the three-pin plug moves down, the ground wire guide post 121a, the zero wire guide post 121b and the live wire guide post 121c pass through the ground wire hole 22, the zero wire hole 23 and the live wire hole 24 respectively, and contact with the ground wire connecting ring 31, the zero wire connecting ring 32 and the live wire connecting ring 33 respectively to electrify the three-pin plug.

A sliding strip 1112 is formed on the inner wall of the guide cylinder 111 in the vertical direction; each conductive head 12 is formed with a sliding groove 124 on a side wall thereof, which is slidably connected with the sliding strip 1112; the power-on socket 1 comprises a socket cover 11; a positioning plate 112 is formed on the side wall of the upper part of the seat cover 11; a positioning slot 411 rotatably connected with the positioning plate 112 is formed on the upper seat body 41; a non-cylindrical rotating column 115 is formed in the center of the lower end of the seat cover 11; a rotating hole 28 connected with the rotating column 115 in a sliding manner is formed in the center of the pressing plate 2; a support ring 1151 for supporting the pressing plate 2 is formed at the lower part of the sidewall of the rotating column 115; a limiting hole 1152 is formed at the lower end of the rotating column 115; and a limiting column 36 inserted into the limiting hole 1152 is formed in the center of the upper end of the bottom surface of the electrode mounting seat 3. The non-cylindrical rotating column 115 is slidably connected with the rotating hole 28, so that the pressing plate 2 can be driven to rotate synchronously when the seat cover 11 rotates; the position of the pressing plate 2 can be limited by inserting the limiting column 36 into the limiting hole 1152, vertically installing the seat cover 11 on the upper seat body 41, fixedly connecting the electrode installation seat 3 to the inner bottom surface of the lower seat body 42, and using the supporting ring 1151.

The socket shell 4 is provided with a power transmission line 6, and a first connecting line 51, a second connecting line 52 and a third connecting line 53 which are respectively connected with a ground wire, a zero wire and a live wire of the power transmission line 6; the first connecting line 51 is connected to the ground connecting ring 31; the second connecting wire 52 is connected with the neutral connecting ring 32; the third connecting line 53 is connected to the live line connecting ring 33; the concrete structure is as follows: the ground wire connecting ring 31, the zero line connecting ring 32 and the live wire connecting ring 33 are distributed from outside to inside in sequence; a zero line connecting piece 321 connected with the zero line connecting ring 32 and a live wire connecting piece 331 connected with the live wire connecting ring 33 are fixedly connected to the electrode mounting base 3; the outermost and the lower part of the connecting ring 34 in the middle are formed with a third separating groove 343 and a second separating groove 342 for the live wire connecting piece 331 to pass through; a first separation groove 341 for the neutral connecting piece 321 to pass through is formed on one side of the outermost connecting ring 34 different from the second separation groove 342; the outer wall of the outermost connecting ring 34 is formed with a ground wire through hole 344; the zero line connecting piece 321 is not contacted with the outermost connecting ring 34, and the live line connecting piece 331 is not contacted with the outermost and middle connecting rings 34; the ground wire connecting ring 31 is connected with the ground wire, the zero wire connecting ring 32 is connected with the zero wire, and the live wire connecting ring 33 is connected with the live wire.

The upper end of the inner wall of each guide cylinder 111 is fixedly connected with a dust strip 1131; the dust-proof strip 1131 is two half bodies symmetrically arranged at two sides of the insertion hole 113, and when the pin is inserted into the insertion hole 113, the two half bodies of the dust-proof strip 1131 are separated towards two sides of the pin and abut against the pin, so that dust can be prevented from entering the guide cylinder 111.

The lower end of the inner wall of the guide cylinder 111 is formed with an anti-drop plate 1111, and the upper part of the inner wall is formed with a limiting block 1113 which can limit the stroke of the conductive head 12 and enable the conductive head 12 to be separated from the pins when the three-pin plug is pulled out upwards.

The length of the ground pin in the national standard is greater than the lengths of the live pin and the neutral pin, and the thickness of each conductive head 12 is adjusted correspondingly.

In the initial state, the ground wire stopper 211, the neutral wire stopper 212, and the live wire stopper 213 block the ground wire hole 22, the neutral wire hole 23, and the live wire hole 24, respectively, and the ground wire guide post 121a, the neutral wire guide post 121b, and the live wire guide post 121c are positioned above the insulating stopper 21.

When the plug is used, each pin of the plug is inserted into the plug connecting piece 125, the lower end of each pin abuts against the conductive head 12 in the plug inserting process to enable the conductive head 12 to move downwards, the ground wire pin of the three-pin plug pushes the ground wire guide post 121a to enable the lower end of the ground wire guide post to abut against the inclined surface 2111 of the ground wire stop block 211, at the moment, the ground wire guide post 121a moves downwards to drive the insulating stop piece 21 to rotate by taking the stop piece post 25 as a shaft, so that the ground wire stop block 211 moves towards the abutting block 27, the zero line stop block 212 is staggered with the zero line hole 23, the live line stop block 213 is staggered with the live line hole 24, and; as the plug continues to move downward, the ground, neutral and

live wire posts

121a, 121b, 121c pass through the ground, neutral and

live holes

22, 23, 24, respectively, and contact the ground, neutral and live connection rings 31, 32, 33, respectively, to energize the plug.

Because the plug connecting sheet 125 clamps each pin, when the plug is pulled out, the conductive head 12 is driven to move upwards, the ground wire guide post 121a, the zero wire guide post 121b and the live wire guide post 121c respectively move upwards and are separated from the insulating barrier 21, and at the moment, the plug is powered off; the subsequent resetting of the reed 26 pushes the insulating shutter 21 to reset, causing the ground 211, neutral 212 and live 213 stops again the ground 22, neutral 23 and live 24 holes.

The arrangement of each electrifying component 10 and the protective cover 3 ensures that the plug can be inserted into the socket to rotate 360 degrees, so that the angle can be automatically adjusted when the power wire is not long enough or the plug is difficult to be inserted into the socket at a fixed angle; the insulating blocking pieces 21 which are arranged below the conductive heads 12 and used for blocking the ground wire guide posts 121a, the zero wire guide posts 121b and the live wire guide posts 121c are used for preventing a conductor from being electrically conducted with the power transmission line 6 when the socket is in an electrified state, the conductor is independently inserted into one second jack 114 or simultaneously inserted into two second jacks 114, electric shock accidents are avoided, meanwhile, pins corresponding to the ground wire are abutted against the conductive heads 12, the insulating blocking pieces 21 are controlled to rotate through the ground wire pins of the plug in the process that the plug is inserted into the socket, and the conduction of the live wire pins and the zero wire pins is realized, so that the socket can be suitable for common sockets and can also be suitable for rotary sockets through the structure; the side walls of the connecting rings 34 are circumferentially provided with a ground wire connecting ring 31, a zero wire connecting ring 32 and a live wire connecting ring 33 respectively, and the ground wire connecting ring, the zero wire connecting ring and the live wire connecting ring are respectively contacted with a ground wire guide post 121a, a zero wire guide post 121b and a live wire guide post 121c so that the plug can be always kept in a power-on state; an anti-drop plate 1111 is formed at the lower end of the inner wall of the guide cylinder 111, and a limiting block 1113 is formed on the inner wall, so that the stroke of the conductive head 12 can be limited and the plug can be smoothly pulled out; the plug connecting piece 125 fixedly connected with the upper end of the conductive head 12 has elasticity, so that the plug can be smoothly conducted when inserted and the conductive head 12 can be driven to move upwards by friction force when pulled out; the power failure is realized by pulling out the plug and resetting the reed 26 and the insulating barrier 21; the upper end of the inner wall of each guide cylinder 111 is fixedly connected with a dustproof strip 1131, which has a dustproof function.

Claims

1. A safe tripod socket which is characterized in that: comprises a socket shell (4) and one or more electrifying assemblies (10) arranged in the socket shell (4); the socket shell (4) comprises an upper seat body (41) and a lower seat body (42); the electrifying assembly (10) comprises an electrode mounting seat (3) fixedly connected to the inner bottom surface of the lower seat body (42) and an electrifying seat (1) rotatably connected to the upper end surface of the upper seat body (41); the upper end of the power-on seat (1) is formed with a jack (113) for plugging each pin of the three-pin plug; the electrode mounting base (3) is coaxially provided with an annular ground wire connecting ring (31), a zero wire connecting ring (32) and a live wire connecting ring (33) which are respectively connected with a ground wire, a zero wire and a live wire; three guide cylinders (111) are formed at the lower end of the electrifying seat (1); three conductive heads (12) which are connected with the ground wire connecting ring (31), the zero line connecting ring (32) and the live wire connecting ring (33) are arranged in the guide cylinder (111); each conductive head (12) is respectively connected in the guide cylinder (111) in a sliding manner; a pressing plate (2) which rotates synchronously with the power-on seat (1) is arranged below each conductive head (12) at the lower end of the power-on seat (1); the upper end of the pressing plate (2) is rotatably connected with an insulating baffle plate (21); a reed (26) with one end abutting against the insulating barrier sheet (21) is fixedly connected to the upper end of the pressing plate (2); the insulation blocking sheet (21) blocks each conducting head (12) from being connected with the zero line connecting ring (32) and the live line connecting ring (33); the ground wire pin on the three-pin plug is inserted into the socket, so that the conductive head (12) connected with the ground wire moves downwards to drive the insulating blocking piece (21) to rotate, and the insulating blocking piece (21) cannot block the zero line connecting ring (32) and the live wire connecting ring (33); three connecting rings (34) for fixing the ground wire connecting ring (31), the zero line connecting ring (32) and the live wire connecting ring (33) are formed at the upper end of the electrode mounting seat (3); the upper end of each conductive head (12) is fixedly connected with a plug connecting sheet (125) used for clamping a pin; the conductive heads (12) connected with the ground wire connecting ring (31), the zero line connecting ring (32) and the live wire connecting ring (33) are respectively marked as a ground wire conductive head (12 a), a zero line conductive head (12 b) and a live wire conductive head (12 c); the lower end of the ground wire conductive head (12 a) is fixedly connected with a ground wire guide post (121 a); the lower end of the zero line conducting head (12 b) is fixedly connected with a zero line guide post (121 b); the lower end of the live wire conducting head (12 c) is fixedly connected with a live wire guide post (121 c); the ground wire guide post (121 a), the zero wire guide post (121 b) and the live wire guide post (121 c) are respectively connected with the corresponding plug connecting pieces (125); a ground wire hole (22), a zero wire hole (23) and a fire wire hole (24) are formed at the upper end of the pressing plate (2) corresponding to the positions of the ground wire guide post (121 a), the zero wire guide post (121 b) and the fire wire guide post (121 c); a ground wire stop block (211), a zero wire stop block (212) and a live wire stop block (213) are formed in the positions, corresponding to the ground wire hole (22), the zero wire hole (23) and the live wire hole (24), of the insulating blocking sheet (21); an inclined surface (2111) facing the ground wire guide post (121 a) is formed at the upper end of the ground wire stopper (211); when the ground wire guide post (121 a) abuts against the ground wire stop block (211), the distance between the lower end of the zero wire guide post (121 b) and the zero wire stop block (212) and the distance between the lower end of the live wire guide post (121 c) and the live wire stop block (213) are greater than the thickness of the ground wire stop block (211); a sliding strip (1112) is formed on the inner wall of the guide cylinder (111) in the vertical direction; each conductive head (12) is provided with a sliding groove (124) formed on the side wall and connected with the sliding strip (1112) in a sliding mode.

2. A safety tripod socket as claimed in claim 1, wherein: the power-on seat (1) comprises a seat cover (11); a non-cylindrical rotating column (115) is formed in the center of the lower end of the seat cover (11); a rotating hole (28) which is connected with the rotating column (115) in a sliding way is formed in the center of the pressing plate (2); a support ring (1151) for supporting the pressing plate (2) is formed at the lower part of the side wall of the rotating column (115); a limiting hole (1152) is formed at the lower end of the rotating column (115); and a limiting column (36) which is used for being inserted into the limiting hole (1152) is formed in the center of the upper end of the bottom surface of the electrode mounting seat (3).

3. A safety tripod socket according to any one of claims 1 to 2 wherein: the socket shell (4) is provided with a power transmission line (6), and a first connecting line (51), a second connecting line (52) and a third connecting line (53) which are respectively connected with a ground wire, a zero wire and a live wire of the power transmission line (6); the first connecting line (51) is connected with the ground wire connecting ring (31); the second connecting wire (52) is connected with the neutral connecting ring (32); the third connecting line (53) is connected with the live wire connecting ring (33).

4. A safety tripod socket as claimed in claim 3, wherein: the upper end of the inner wall of each guide cylinder (111) is fixedly connected with a dustproof strip (1131) used for preventing dust from entering the guide cylinder (111).

5. A safety tripod socket as claimed in claim 1, wherein: the lower end of the inner wall of the guide cylinder (111) is formed with an anti-drop plate (1111), and the upper part of the inner wall is formed with a limit block (1113).