CN216312242U

CN216312242U - Leakage protection plug

Info

Publication number: CN216312242U
Application number: CN202122438867.3U
Authority: CN
Inventors: 罗革; 沈涛
Original assignee: Ningbo Beilei Technology Co ltd
Current assignee: Ningbo Beilei Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-15
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to a leakage protection plug relates to electrical equipment protection technical field, it includes the base, bilateral symmetry sets up the upper cover that is used for participating in and being used for the lid to close the base with being connected with the power on the base, one side that the base is close to the upper cover is provided with the power-off device who is used for the outage, one side an organic whole that is close to power-off device on the base is provided with first fixed hook, first fixed hook is bilateral symmetry and sets up, set up the fixed slot that supplies first fixed hook to fix on the power-off device, set up the cavity that supplies the power-off device to place on base and the upper cover. This application has the effect that reduces the shared space of plug and connecting wire.

Description

Leakage protection plug

Technical Field

The application relates to the technical field of electrical equipment protection, in particular to an electric leakage protection plug.

Background

In our daily life, a large number of electronic devices need an external power supply to supply power to electrical equipment, and in the using process of the electronic devices, the electric leakage phenomenon can be generated, so that people get an electric shock.

In the related art, an electric leakage protector is generally connected to an electronic device which is prone to electric leakage, and when the electric leakage occurs, the electronic device is protected through the electric leakage protector, so that damage to the electronic device is reduced.

With respect to the related art in the above, the inventors consider that: in the using process, a leakage protector needs to be added between the plug and an electric appliance, so that the space occupied by the plug and a connecting wire is increased, and the space is improved.

SUMMERY OF THE UTILITY MODEL

In order to reduce the space that plug and connecting wire occupy, this application provides a leakage protection plug.

The application provides a leakage protection plug adopts following technical scheme:

the utility model provides an earth leakage protection plug, include base, bilateral symmetry set up in be used for participating in with the power is connected on the base and be used for the lid to close the upper cover of base, the base is close to one side of upper cover is provided with the power-off device who is used for the outage, be close to on the base one side an organic whole of power-off device is provided with first fixed hook, first fixed hook is the bilateral symmetry setting, the last confession of having seted up of power-off device the fixed slot of first fixed hook, the base with the confession has been seted up on covering the cavity that the power-off device placed.

By adopting the technical scheme, the first fixing hook is clamped and fixed in the fixing groove, so that the power-off device is arranged between the base and the upper cover; when electric leakage occurs at the plug, the circuit on the plug is disconnected through the power-off device, so that the space occupied by the plug and the connecting wire is reduced.

Optionally, participate in being close to one side an organic whole of outage device is provided with the piece that slides, the piece that slides is kept away from the one end an organic whole of participating in be provided with be used for with the static contact that outage device contradicts, outage device bilateral symmetry sets up the confession the first groove that slides of the joint that slides, set up the confession on the base participate in the hole that slides of wearing to establish.

Through adopting above-mentioned technical scheme, slide the joint in the first inslot that slides through the piece that slides to participate in being fixed in power-off equipment on, make things convenient for the operator to participate in being fixed in power-off equipment on, and through seting up the hole of sliding on the base, thereby make participate in and stretch out the base, conveniently participate in and be connected with the power.

Optionally, the base is provided with holding grooves along the bilateral symmetry of the two sides of the base in the length direction, stepped lines are integrally arranged on the base, and the stepped lines are arranged at the bottoms of the holding grooves.

By adopting the technical scheme, the base is provided with the holding groove, so that an operator can conveniently find the holding position, and the operator can conveniently take the base; and the stepped lines are arranged on the base, so that the friction force between the base and an operator is increased, and the base is not easy to fall off.

Optionally, a mounting seat is integrally arranged on the base, a connecting contact for connecting a wire is arranged on the mounting seat, a mounting cover for covering the connecting contact is arranged on the base, and a wire ring for the wire to be arranged in a penetrating manner is integrally arranged on the mounting cover and the mounting seat.

Through adopting above-mentioned technical scheme, through set up the connection contact on the base, make the wire connect into in the base, and all set up the wire ring on through installation lid and the mount pad to make things convenient for the operator to let in the wire in installation lid and the mount pad.

Optionally, the installation cover is integrally provided with a sliding block, and the installation seat is integrally provided with a clamping block which is clamped and slid by the sliding block.

Through adopting above-mentioned technical scheme, cover in the installation and set up the slider, through slider and joint piece joint of each other to make things convenient for the operator to cover the installation in the mount pad, and make the installation lid be difficult to drop on the mount pad.

Optionally, the power cut-off device includes:

the circuit board is arranged on the base and is fixed on the base through the first fixing hook;

the movable contact piece is arranged on one side of the circuit board close to the base, and one end of the movable contact piece, which is far away from the circuit board, elastically abuts against the static contact piece and is connected with the connecting contact;

the control mechanism is arranged on one side of the circuit board close to the base and is used for controlling the movable contact piece to be separated from the static contact piece;

the protective shell is arranged on one side, close to the base, of the circuit board and used for covering the control mechanism;

the protective housing is close to one side an organic whole of circuit board is provided with the fixed hook of second, the fixed hook of second is provided with two altogether, and is bilateral symmetry setting, offer the confession on the circuit board the fixed orifices of the fixed hook of second.

Through adopting above-mentioned technical scheme, through control mechanism control movable contact and static contact separation to break off plug and power, and make control mechanism place between the protective housing through the protective housing, make control mechanism be difficult to receive external influence.

Optionally, the control mechanism includes:

the pressing block is arranged on one side of the circuit board close to the base;

the control block is arranged on one side of the pressing block close to the base, and one side of the pressing block close to the circuit board is abutted to the movable contact piece;

the first pressure spring is arranged on one side of the pressing block, which is far away from the circuit board, and one end of the pressing block, which is far away from the pressing block, is abutted against the base, so that the control block is abutted against the movable contact spring;

the coil is arranged on one side of the circuit board close to the base and is electrically connected to the circuit board;

the iron core is arranged on the coil in a penetrating and sliding mode;

the second pressure spring penetrates through and slides on the coil, and drives the iron core to move towards one side close to the control block;

one end of the connecting sheet is sleeved at one end of the iron core, which is far away from the second pressure spring, and the other end of the connecting sheet is arranged on the control block;

the circuit board is provided with a first through hole for the pressing block to penetrate through, the upper cover is provided with a second through hole for the pressing block to slide, one end, away from the circuit board, of the pressing block is integrally provided with a limiting block for limiting, the pressing block is integrally provided with a first mounting column for the control block to be sleeved and fixed, the control block is provided with a first mounting hole for the first mounting column to be inserted into, and one side, away from the pressing block, of the first mounting column is integrally provided with a second mounting column for the first pressing spring to be sleeved and fixed;

the pressing block is bilaterally symmetrically provided with grooves for sliding, one end, close to the iron core, of the connecting piece is provided with a first clamping groove, the iron core is provided with a second clamping groove for clamping the connecting piece, one end, close to the first mounting column, of the connecting piece is provided with a third clamping groove, the control block is provided with an insertion groove for inserting and fixing the connecting piece, the insertion groove is mutually communicated with the first mounting hole, the first mounting column is provided with a fourth clamping groove for clamping and fixing the connecting piece, and the coil is provided with a placing groove for placing the iron core and a second pressure spring;

a second sliding groove for the control block to slide is formed in the protective shell, and a third penetrating hole for the first pressure spring to penetrate is formed in the protective shell;

and the control block is provided with a collision groove for the movable contact piece to place collision.

By adopting the technical scheme, when the first pressure spring is not extruded by the outside, the control block is abutted against the movable contact piece through the first pressure spring, so that the circuit is always in a conducting state; whether the coil is electrified or not is used for generating the movement of the magnetic control iron core, and when the magnetic force is greater than the pressure of the second pressure spring, the iron core control connecting piece moves to enable the connecting piece to move out of the fourth clamping groove, so that the control block is separated from the first mounting column, and the control block is not abutted to the movable contact spring.

Optionally, a positioning block is arranged on one side of the base close to the circuit board, and a spring releasing groove for placing the first pressure spring is formed in the positioning block.

Through adopting above-mentioned technical scheme, set up the locating piece on the base, through set up the spring releasing groove on the locating piece, make the one end that the briquetting was kept away from to first pressure spring place in the spring releasing groove, make first pressure spring be difficult to produce the slip of the first pressure spring length direction of perpendicular to with the base to make first pressure spring be difficult to produce the deformation of its length direction of perpendicular to, prolong the life of first pressure spring.

Optionally, one side of the protective housing that is close to the circuit board is provided with the contact block that is used for with the circuit board is contradicted, the contact block is kept away from one side of base is provided with the reference column in an organic whole, set up on the circuit board and supply reference column male locating hole.

Through adopting above-mentioned technical scheme, set up the conflict piece on the protective housing to make the protective housing contradict with the circuit board, and set up the reference column on the conflict piece, insert the locating hole of circuit board through the reference column in, thereby fix a position the position of protective housing, make things convenient for the operator to install the protective housing on the circuit board.

Optionally, the pressing block is sleeved with a rubber sleeve, and one side of the rubber sleeve, which is close to the circuit board, is integrally provided with a flanging.

Through adopting above-mentioned technical scheme, through setting up the rubber sleeve on the base, make the briquetting directly not contact with external world through the rubber sleeve to reduce external damage to the briquetting, and make foreign matter such as external dust be difficult to get into in the base from first wear to establish the hole through the turn-ups.

In summary, the present application includes at least one of the following beneficial technical effects:

when electric leakage occurs at the plug, the circuit on the plug is disconnected through the power-off device, so that the space occupied by the plug and a connecting wire is reduced;

the base is provided with the holding groove, so that an operator can conveniently find a holding position, the operator can conveniently take the base, and the stepped lines are arranged on the base, so that the friction force between the base and the operator is increased, and the base is not easy to fall off;

set up the slider on the installation lid, through slider and joint piece joint of each other to make things convenient for the operator to cover the installation in the mount pad, and make the installation lid be difficult to drop on the mount pad.

Drawings

Fig. 1 is a schematic view of an overall structure of a leakage protection plug in an embodiment of the present application.

Fig. 2 is an exploded view of the base, the cover and the power cut-off device in the embodiment of the present application.

Fig. 3 is an exploded view of the base, the cover and the power-off device in the embodiment of the present application.

Fig. 4 is an exploded view of the base and the circuit board in the embodiment of the present application.

Fig. 5 is an explosion diagram of the circuit board, the pressing block, the control block, the first pressing spring and the protective shell in the embodiment of the present application.

Fig. 6 is an explosion diagram of the circuit board, the pressing block, the control block, the first pressing spring and the protective shell in the embodiment of the present application.

Fig. 7 is an exploded view of the circuit board, the pressing block, the control block, and the first pressing spring in the embodiment of the present application.

Fig. 8 is an exploded view of the circuit board, the coil, the core, the control block, the second compression spring, and the connecting piece in the embodiment of the present application.

Fig. 9 is an exploded view of the base, mounting cover, and mounting base in an embodiment of the present application.

Description of reference numerals: 1. a base; 2. a pin; 3. a cavity; 4. an upper cover; 5. a circuit board; 6. a movable contact spring; 7. a power-off device; 8. a static contact piece; 9. a connection contact; 10. a sliding hole; 11. a control mechanism; 12. briquetting; 13. a control block; 14. a first pressure spring; 15. a first through hole; 16. a first mounting post; 17. a first mounting hole; 18. a second mounting post; 19. a coil; 20. an iron core; 21. a second pressure spring; 22. connecting sheets; 23. a first clamping groove; 24. a second clamping groove; 25. a third clamping groove; 26. a fourth clamping groove; 27. a contact groove; 28. a groove; 29. a protective shell; 30. a second fixed hook; 31. a fixing hole; 32. a second sliding groove; 33. a third through hole; 34. a positioning column; 35. positioning holes; 36. positioning blocks; 37. a spring releasing groove; 38. a first fixed hook; 39. fixing grooves; 40. a rubber sleeve; 41. flanging; 42. a placement groove; 43. a second through hole; 44. connecting blocks; 45. a hook body; 46. a first sliding groove; 47. a mounting seat; 48. inserting the groove; 49. a limiting block; 50. installing a cover; 51. a wire loop; 52. a holding groove; 53. a sliding sheet; 54. a step pattern; 55. a slider; 56. a clamping block; 57. a contact block; 58. a positioning ring; 59. a positioning bar; 60. and a grounding head.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

Referring to fig. 1 and 2, an embodiment of the present application discloses an earth leakage protection plug, which includes a base 1, pins 2, an upper cover 4, and a power cut-off device 7.

Referring to fig. 2 and 3, the upper cover 4 is installed on the base 1, the pin 2 is installed on one side of the base 1 away from the upper cover 4 in a bilateral symmetry manner, the base 1 is provided with a sliding hole 10 for the pin 2 to slide in an inserting manner, the upper cover 4 and the base 1 are both provided with a cavity 3 for the control mechanism 11 to place, the base 1 is provided with holding grooves 52 along both sides of the length direction, and the holding grooves 52 are used for facilitating an operator to hold the base. The base 1 is integrally provided with steps 54 along both sides of the length direction thereof, and the steps 54 are located at the bottom of the holding groove 52, thereby increasing the friction force between the base 1 and the operator. In the present embodiment, a ground connector 60 is further provided, so that it can be applied to a three-plug socket by the ground connector 60.

Referring to fig. 4 and 5, the power cutoff device 7 includes a circuit board 5, a protective shell 29, a movable contact 6 and a control mechanism 11, the circuit board 5 is a PCB board mounted with a leakage sensor, a capacitor, a resistor, an inductor, a triode, a switch, an LED lamp and a voltage reduction chip, and the specific model is selected and mounted by an operator according to actual use conditions. The circuit board 5 is installed in one side that the base 1 is close to the upper cover 4, and circuit board 5 and base 1 are parallel arrangement, and base 1 is close to an integrative first fixed hook 38 that is provided with in one side of circuit board 5, and first fixed hook 38 is bilateral symmetry and sets up, offers on the circuit board 5 to supply the fixed slot 39 of first fixed hook 38 joint. The first fixing hook 38 comprises a connecting block 44 and a hook body 45, the hook body 45 and the connecting block 44 are integrally arranged, the width of the hook body 45 is smaller than that of the connecting block 44, the width of the fixing groove 39 is larger than that of the hook body 45, and the width of the connecting block 44 is larger than that of the fixing groove 39.

Referring to fig. 4 and 5, the protective shell 29 is installed on one side of the circuit board 5 close to the base 1 and used for covering the control mechanism 11, two second fixing hooks 30 for clamping and fixing are integrally arranged on one side of the protective shell 29 close to the circuit board 5, and the two second fixing hooks 30 are arranged in a bilateral symmetry manner. The circuit board 5 is provided with a fixing hole 31 for inserting and clamping the second fixing hook 30, and the cross section area of the fixing hole 31 is larger than that of the second fixing hook 30, so that the second fixing hook 30 can be conveniently inserted into the fixing hole 31.

Referring to fig. 4 and 5, one side of the protective shell 29 close to the circuit board 5 is integrally provided with a contact block 57, the contact block 57 is used for being abutted against the circuit board 5, one side of the contact block 57 far away from the protective shell 29 is integrally provided with a positioning column 34 for positioning, the circuit board 5 is provided with a positioning hole 35 for the positioning column 34 to be inserted and positioned, and the cross-sectional area of the positioning column 34 is smaller than that of the positioning hole 35, so that the positioning column 34 is conveniently inserted into the positioning hole 35. In this embodiment, the contact blocks 57 are provided with five, four of the contact blocks are symmetrically arranged on the protective casing 29, the other contact block is arranged at one end along the length direction of the protective casing 29, the number of the positioning columns 34 is three, one of the positioning columns 34 is integrally arranged at one end along the length direction of the protective casing 29, and the other two positioning columns 34 are located at the other end along the length direction of the protective casing 29 and symmetrically arranged.

Referring to fig. 5 and 6, the movable contact piece 6 is mounted on one side of the circuit board 5 close to the base 1, and the movable contact piece 6 is arranged in a left-right symmetry manner, and the movable contact piece 6 is arranged in an L shape. Participate in 2 and be close to one side of moving contact piece 6 an organic whole and be provided with slide 53, slide 53 keeps away from one side of participating in 2 an organic whole and is provided with static contact 8, and static contact 8 is used for contradicting with moving contact piece 6, and static contact 8 is mutually perpendicular with slide 53, offers on the protective housing 29 to supply static contact 8 to slide fixed first groove 46 that slides.

Referring to fig. 7 and 8, the control mechanism 11 includes a coil 19, an iron core 20, a second compression spring 21, a connecting sheet 22, a pressing block 12, a control block 13, and a first compression spring 14, the pressing block 12 is slidably disposed on the circuit board 5, a first through hole 15 for the pressing block 12 to slidably move is disposed on the circuit board 5, and a cross-sectional area of the pressing block 12 is smaller than a cross-sectional area of the first through hole 15.

Referring to fig. 2 and 3, a second through hole 43 for the pressing block 12 to slide is formed in the upper cover 4, a rubber sleeve 40 is sleeved on one side, close to the upper cover 4, of the pressing block 12, the rubber sleeve 40 is used for covering a switch and an LED lamp on the circuit board 5, a positioning ring 58 for positioning is integrally arranged on the rubber sleeve 40, a positioning fence 59 for the positioning ring 58 to be clamped and fixed is integrally arranged on the upper cover 4, a flanging 41 is integrally arranged on one side, close to the circuit board 5, of the rubber sleeve 40, and the cross-sectional area of the flanging 41 is larger than that of the second through hole 43. The pressing block 12 is provided with grooves 28 along both sides of the length direction thereof for facilitating sliding.

Referring to fig. 6 and 7, a limit block 49 is integrally provided on a side of the pressing block 12 close to the protective shell 29, and a cross-sectional area of the limit block 49 is larger than that of the first through hole 15. The side of the limiting block 49, which is far away from the pressing block 12, is integrally provided with a first mounting column 16, and the cross-sectional area of the first mounting column 16 is smaller than that of the pressing block 12. The control block 13 is sleeved on the first mounting column 16, a first mounting hole 17 for the first mounting column 16 to penetrate through for mounting is formed in the control block 13, the height of the first mounting column 16 is larger than that of the control block 13, a contact groove 27 for placing contact of the movable contact piece 6 is formed in one side, close to the circuit board 5, of the control block 13, and the width of the contact groove 27 is larger than that of the movable contact piece 6. The protective shell 29 is provided with a second sliding groove 32 for the control block 13 to slide, and the depth of the second sliding groove 32 is larger than the height of the control block 13, so that the control block 13 is always positioned in the second sliding groove 32.

Referring to fig. 4 and 6, a second mounting column 18 is integrally arranged on one side of the first mounting column 16 away from the pressing block 12, the cross-sectional area of the second mounting column 18 is smaller than that of the first mounting column 16, the first pressure spring 14 is sleeved on the second mounting column 18, the length of the first pressure spring 14 is larger than the height of the second mounting column 18, a third through hole 33 for the first pressure spring 14 and the second mounting column 18 to penetrate through is formed in the protective shell 29, the diameter of the third through hole 33 is larger than that of the second mounting column 18, and the diameter of the third through hole 33 is larger than the outer diameter of the first pressure spring 14. One side of the base 1 close to the protective shell 29 is provided with a positioning block 36 for positioning the first pressure spring 14, and the positioning block 36 is provided with a spring releasing groove 37 for placing and positioning the first pressure spring 14.

Referring to fig. 7 and 8, the coil 19 is mounted on the circuit board 5 at a side close to the protective shell 29, and the coil 19 is located at an end of the circuit board 5 close to the first through hole 15. The iron core 20 penetrates through and slides on the coil 19, the iron core 20 is positioned at one end of the coil 19 close to the control block 13, the second compression spring 21 penetrates through and slides on the coil 19, and the second compression spring 21 is positioned at one end of the iron core 20 far away from the control block 13. The coil 19 is provided with a placing groove 42 for placing the second pressure spring 21 and the iron core 20, one side of the second pressure spring 21 is abutted with the groove bottom of the placing groove 42, and the other side of the second pressure spring 21 is abutted with the end face of the iron core 20 far away from the control block 13.

Referring to fig. 7 and 8, a connecting piece 22 is installed on one side of the iron core 20 close to the control block 13, one end of the connecting piece 22 close to the iron core 20 is sleeved on the iron core 20, a first clamping groove 23 used for clamping with the iron core 20 is opened at one end of the connecting piece 22 close to the iron core 20, and a second clamping groove 24 used for clamping with the connecting piece 22 is opened at one end of the iron core 20 close to the connecting piece 22. One end of the connecting piece 22, which is far away from the iron core 20, is sleeved on the first mounting column 16, one end of the connecting piece 22, which is close to the first mounting column 16, is provided with a third clamping groove 25 for clamping with the first mounting column 16, the control block 13 is provided with an insertion groove 48 for inserting and clamping the connecting piece 22, and the insertion groove 48 is communicated with the first mounting hole 17. The first mounting post 16 is provided with a fourth clamping groove 26 for clamping and fixing the connecting sheet 22, so that the control block 13 and the first mounting post 16 are fixed into a whole through the connecting sheet 22.

Referring to fig. 3 and 9, an installation seat 47 is integrally disposed at an end of the base 1 away from the first through hole 15, and the base 1 and the installation seat 47 are disposed in parallel. The connecting contacts 9 are mounted on the mounting seat 47 and are used for connecting the wires and the movable contact 6, the connecting contacts 9 are located on one side of the mounting seat 47 far away from the upper cover 4, and in the embodiment, the number of the connecting contacts 9 is three. The mounting base 47 is provided with a mounting cover 50 for covering the connection contact 9, and the sum of the cross-sectional area of the mounting cover 50 and the cross-sectional area of the base 1 is equal to the cross-sectional area of the upper cover 4. The installation cover 50 and the upper cover 4 are integrally provided with a wire ring 51 for a wire to pass through, and the wire ring 51 is located on one side of the installation cover 50 far away from the base 1.

Referring to fig. 3 and 9, a slider 55 is integrally arranged on the mounting cover 50, the slider 55 is arranged in bilateral symmetry, clamping blocks 56 slidably clamped with the slider 55 are symmetrically arranged on the mounting base 47 in bilateral symmetry, and the cross-sectional areas of the clamping blocks 56 are L-shaped.

The implementation principle of the leakage protection plug in the embodiment of the application is as follows:

1. when the plug does not generate electric leakage, the electric leakage sensor does not generate signals, the circuit board 5 cannot be electrified, the iron core 20 moves to one side close to the control block 13 under the pressure of the second pressure spring 21, one end of the connecting sheet 22 is clamped with the iron core 20, and the other end of the connecting sheet 22 penetrates through the third clamping groove 25 on the control block 13 and then is clamped in the fourth clamping groove 26 on the first mounting column 16, so that the control block 13 and the first mounting column 16 are fixed. And at this time, the first pressure spring 14 is in a relaxed state, and the control block 13 is abutted with the movable contact piece 6, so that the movable contact piece 6 is controlled to be abutted with the static contact piece 8.

2. When the plug produced the electric leakage, leakage sensor produced the signal, and circuit board 5 got electric to make coil 19 get electric, coil 19 produced magnetic force, when magnetic force was greater than the magnetic force of second pressure spring 21, the iron core 20 that the cover was located on coil 19 received the effect of magnetic force and moved to the one side that is close to second pressure spring 21, thereby the connection piece 22 that the iron core 20 was located to the drive cover removed, and the one end that iron core 20 was kept away from to connection piece 22 shifts out from fourth joint groove 26 on the first erection column 16. The control block 13 and the first mounting column 16 are separated from a fixed state, the control block 13 is not abutted with the movable contact piece 6, so that the movable contact piece 6 is controlled not to be abutted with the static contact piece 8, and the circuit is powered off.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a leakage protection plug, includes base (1), bilateral symmetry set up in base (1) go up be used for with the power connection participate in (2) and be used for the lid close upper cover (4) of base (1), its characterized in that: base (1) is close to one side of upper cover (4) is provided with outage device (7) that are used for the disconnected power supply, be close to on base (1) one side an organic whole of outage device (7) is provided with first fixed hook (38), first fixed hook (38) are bilateral symmetry and set up, the confession has been seted up on outage device (7) fixed slot (39) of first fixed hook (38), base (1) with the confession has been seted up on upper cover (4) cavity (3) that outage device (7) were placed.

2. A leakage protection plug according to claim 1, wherein: participate in (2) and be close to one side an organic whole of outage device (7) is provided with slide piece (53), slide piece (53) are kept away from the one end an organic whole of participating in (2) be provided with be used for with static contact (8) that outage device (7) are contradicted, outage device (7) bilateral symmetry has seted up the confession slide piece (53) slide the first groove (46) that slides of joint, set up the confession on base (1) participate in sliding hole (10) that (2) were worn to establish.

3. A leakage protection plug according to claim 1, wherein: the base (1) is provided with holding grooves (52) in bilateral symmetry along the two sides of the length direction, stepped grains (54) are integrally arranged on the base (1), and the stepped grains (54) are arranged at the bottom of the holding grooves (52).

4. A leakage protection plug according to claim 2, wherein: the utility model discloses a wire harness installation structure, including base (1), mount pad (47), be provided with connection contact (9) that are used for connecting wire on mount pad (47), be provided with on base (1) and be used for the lid to establish installation lid (50) of connection contact (9), installation lid (50) reach the integrative wire ring (51) that supplies the wire to wear to establish and place that is provided with on mount pad (47).

5. A leakage protection plug according to claim 4, wherein: the installation cover (50) is provided with a slider (55) in an integrated manner, and the installation base (47) is provided with a clamping block (56) which is clamped with the slider (55) for sliding.

6. A residual current protection plug as claimed in claim 4, characterized in that said power cut-off means (7) comprise:

the circuit board (5) is arranged on the base (1) and is fixed on the base (1) through the first fixing hook (38);

the movable contact piece (6) is arranged on one side, close to the base (1), of the circuit board (5), and one end, far away from the circuit board (5), of the movable contact piece is elastically abutted against the static contact piece (8) and is connected with the connecting contact (9);

the control mechanism (11) is arranged on one side, close to the base (1), of the circuit board (5) and is used for controlling the movable contact piece (6) to be separated from the static contact piece (8);

the protective shell (29) is arranged on one side, close to the base (1), of the circuit board (5) and used for covering the control mechanism (11);

protective housing (29) are close to one side an organic whole of circuit board (5) is provided with second fixed hook (30), second fixed hook (30) are provided with two altogether, and are the bilateral symmetry setting, offer the confession on circuit board (5) fixed orifices (31) of second fixed hook (30).

7. A residual current protection plug according to claim 6, characterized in that said control means (11) comprise:

the pressing block (12) is arranged on one side, close to the base (1), of the circuit board (5);

the control block (13) is arranged on one side of the pressing block (12) close to the base (1), and one side of the pressing block close to the circuit board (5) is abutted to the movable contact spring (6);

the first pressure spring (14) is arranged on one side, away from the circuit board (5), of the pressing block (12), one end, away from the pressing block (12), of the first pressure spring is abutted against the base (1), and the control block (13) is abutted against the movable contact spring (6);

the coil (19) is arranged on one side, close to the base (1), of the circuit board (5) and is electrically connected to the circuit board (5);

the iron core (20) penetrates through and slides on the coil (19);

the second pressure spring (21) penetrates through and slides on the coil (19), and drives the iron core (20) to move towards one side close to the control block (13);

one end of the connecting piece (22) is sleeved at one end of the iron core (20) far away from the second pressure spring (21), and the other end of the connecting piece is arranged on the control block (13);

a first through hole (15) for the pressing block (12) to penetrate through is formed in the circuit board (5), a second through hole (43) for the pressing block (12) to slide is formed in the upper cover (4), a limiting block (49) for limiting is integrally arranged at one end, away from the circuit board (5), of the pressing block (12), a first mounting column (16) for the control block (13) to be sleeved and fixed is integrally arranged on the pressing block (12), a first mounting hole (17) for the first mounting column (16) to be inserted into is formed in the control block (13), and a second mounting column (18) for the first pressure spring (14) to be sleeved and fixed is integrally arranged at one side, away from the pressing block (12), of the first mounting column (16);

the pressing block (12) is bilaterally symmetrically provided with grooves (28) used for sliding, one end, close to the iron core (20), of each connecting piece (22) is provided with a first clamping groove (23), the iron core (20) is provided with a second clamping groove (24) used for clamping the connecting piece (22), one end, close to the first mounting column (16), of each connecting piece (22) is provided with a third clamping groove (25), the control block (13) is provided with an insertion groove (48) used for inserting and fixing the connecting piece (22), the insertion groove (48) is communicated with the first mounting hole (17), the first mounting column (16) is provided with a fourth clamping groove (26) used for clamping and fixing the connecting piece (22), and the coil (19) is provided with a placing groove (42) used for placing the iron core (20) and the second pressure spring (21);

a second sliding groove (32) for the control block (13) to slide is formed in the protective shell (29), and a third penetrating hole (33) for the first pressure spring (14) to penetrate is formed in the protective shell (29);

and the control block (13) is provided with a collision groove (27) for placing the movable contact piece (6) to collide.

8. A leakage protection plug according to claim 7, wherein: one side of the base (1) close to the circuit board (5) is provided with a positioning block (36), and the positioning block (36) is provided with a spring releasing groove (37) for placing the first pressure spring (14).

9. A leakage protection plug according to claim 7, wherein: protective housing (29) are close to one side an organic whole of circuit board (5) be provided with be used for with contact block (57) that circuit board (5) contradict, contact block (57) are kept away from one side an organic whole of base (1) is provided with reference column (34), offer the confession on circuit board (5) reference column (34) male locating hole (35).

10. A leakage protection plug according to claim 7, wherein: the pressing block (12) is sleeved with a rubber sleeve (40), and one side, close to the circuit board (5), of the rubber sleeve (40) is integrally provided with a flanging (41).