CN220021832U

CN220021832U - Leakage protection plug

Info

Publication number: CN220021832U
Application number: CN202320956031.9U
Authority: CN
Inventors: 谭云集; 沈立新
Original assignee: Yuyao Guoyi Electric Appliance Co ltd
Current assignee: Yuyao Guoyi Electric Appliance Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-11-14
Anticipated expiration: 2033-04-25

Abstract

The utility model provides a leakage protection plug, which comprises a shell, a circuit board and a support, wherein the circuit board and the support are arranged in the shell, the circuit board is arranged on one side of the support, the support is symmetrically provided with a plug and an elastic piece, the bottom of the elastic piece is electrically connected with the circuit board, the support is slidably provided with a sliding block, a key is inserted on the sliding block, a reset spring is arranged between the key and the shell, the upper end of the elastic piece is abutted against the sliding block, the reset spring is used for pushing the key to conduct the elastic piece and the plug, the key is pressed to separate the elastic piece from the plug, and the circuit board is provided with a detection switch which is used for detecting a circuit. The electric leakage protection plug provided by the utility model has the advantages that the key can automatically reset after the circuit is disconnected in an elastic reset mode, the operation is simple and convenient, the detection switch arranged on the circuit board can detect the power failure condition of the electric leakage inside the circuit, and the electric leakage protection plug has a simple structure and comprehensive functions and is more convenient to use.

Description

Leakage protection plug

Technical Field

The utility model relates to the technical field of leakage protection plugs, in particular to a leakage protection plug.

Background

The current transformer of earth leakage protection plug includes circuit board, release and transformer, and the transformer is installed at the output of plug. When the electric leakage protection device is used, alternating current passes through the release and then passes through the mutual inductor, when leakage current occurs, a mutual induction transmission signal is given to a circuit board of the electric leakage protection plug, and the circuit board controls the release to be powered off. The existing design can not meet the new UL standard, the circuit board can not carry out self-checking on each element of the circuit board, potential safety hazards exist, and in addition, the existing leakage protection plug is single in structure and can not realize a one-key reset function.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the problem of providing a leakage protection plug so as to overcome the defects that the leakage protection plug in the prior art cannot perform self-checking, has poor safety and is difficult to reset.

(II) technical scheme

In order to solve the technical problems, the utility model provides a leakage protection plug, which comprises a shell, a circuit board and a support, wherein the circuit board and the support are arranged in the shell, the circuit board is arranged on one side of the support, the support is symmetrically provided with a plug and an elastic piece, the bottom of the elastic piece is electrically connected with the circuit board, the support is provided with a sliding block in a sliding manner, a key is inserted into the sliding block, a reset spring is arranged between the key and the shell, the upper end of the elastic piece is abutted against the sliding block, the reset spring is used for pushing the key to conduct the elastic piece with the plug, the key is pressed to enable the elastic piece to be separated from the plug, a detection switch is arranged on the circuit board, the circuit board is used for controlling a circuit to be disconnected when an internal circuit leaks electricity, the detection switch is used for detecting whether the circuit is automatically disconnected, after the circuit is disconnected, the key is pressed to enable the elastic piece to be separated from the sliding block, and then rebound again to be connected with the plug, and electrifying is realized.

Further, a through hole is formed in the sliding block, a guide post corresponding to the through hole is arranged on the key, a positioning groove is formed in the guide post, a positioning sheet is arranged on the sliding block, the positioning sheet penetrates through the sliding block to be placed in the through hole, and the guide post penetrates through the through hole to enable the positioning sheet to be matched with the positioning groove.

Further, a pushing groove is correspondingly formed in the sliding block, the upper end of the elastic piece is arranged in the pushing groove, the guide post penetrates through the circuit board, the return spring is sleeved on the guide post, and a clamping hook is further arranged on the key.

Further, a first contact is arranged on the plug, a second contact is arranged on the elastic sheet, the second contact is propped against the first contact, a key sleeve is arranged on the shell, a first key groove and a second key groove are arranged on the key sleeve, the surfaces of the first key groove and the second key groove are arranged outside the shell, one end of the key is arranged in the first key groove, and the detection switch is arranged in the second key groove.

Further, the support is symmetrically provided with a sliding groove, two sides of the sliding block are symmetrically provided with sliding arms, the sliding arms are arranged in the sliding groove, the support is symmetrically provided with a first mounting seat and a second mounting seat, one end of the plug is fixed in the first mounting seat, and one end of the elastic piece is fixed in the second mounting seat.

Furthermore, the support is also provided with an avoidance hole, and the end part of the guide post penetrates through the avoidance hole.

(III) beneficial effects

According to the leakage protection plug provided by the utility model, the circuit can be automatically reset after being disconnected by the key in an elastic reset mode, the operation is simple and convenient, the detection switch arranged on the circuit board can detect the power failure condition of the circuit during the internal leakage of the circuit, the safety of the switch is ensured, and the leakage protection plug has a simple structure and comprehensive functions and is more convenient to use.

Drawings

FIG. 1 is a perspective view of a leakage protection plug according to the present utility model;

FIG. 2 is a perspective view showing the internal structure of a leakage protection plug according to the present utility model;

FIG. 3 is a perspective view of a circuit board and a key of a leakage protection plug according to the present utility model;

FIG. 4 is a perspective view of a key of a leakage protection plug according to the present utility model;

FIG. 5 is a perspective view of a slider of a leakage protection plug according to the present utility model;

fig. 6 is a perspective view of a plug and a spring plate of the leakage protection plug according to the present utility model;

FIG. 7 is a perspective view of a circuit board and a key cover of a leakage protection plug according to the present utility model;

fig. 8 is a perspective view of a bracket of the earth leakage protection plug of the present utility model.

The corresponding component names for each reference number in the figures are: 1. a housing; 2. a circuit board; 3. a bracket; 4. a plug; 5. a spring plate; 6. a slide block; 7. a return spring; 8. a detection switch; 9. a key; 10. a through hole; 11. a guide post; 12. a positioning groove; 13. a positioning sheet; 14. a propulsion groove; 15. a clamping hook; 16. a first contact; 17. a second contact; 18. a key cover; 19. a first key groove; 20. a second key groove; 21. a chute; 22. a sliding arm; 23. a first mount; 24. a second mounting base; 25. avoiding the hole.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 8, the utility model provides a leakage protection plug, which comprises a shell 1, a circuit board 2 and a bracket 3, wherein the circuit board 2 is arranged in the shell 1, the circuit board 2 is arranged on one side of the bracket 3, the circuit board is used for switching off a circuit when the internal circuit of the plug leaks electricity, the bracket 3 is symmetrically provided with a plug 4 and an elastic piece 5, the bottom of the elastic piece 5 is electrically connected with the circuit board 2, a first contact 16 is arranged on the plug 4, a second contact 17 is arranged on the elastic piece 5, the second contact 17 is abutted against the first contact 16, a sliding block 6 is slidably arranged on the bracket 3, a key 9 is inserted on the sliding block 6, a reset spring 7 is arranged between the key 9 and the shell 1, the reset spring 7 always pushes the key 9, the sliding block 6 is pushed by the key 9, the upper end of the elastic piece 5 abuts against the sliding block 6, the sliding block 6 drives the elastic piece 5 to be electrified after contacting the plug 4, the elastic piece 5 is naturally bent outwards, the elastic piece 9 is separated from the plug 4 under the elasticity, at the moment, the second contact 17 is separated from the first contact 16, the reset spring 7 drives the elastic piece 5 to be electrified again, the key 4 is connected with the key 4, a reset spring 9 is electrified again, the key 9 is detected again, the value is electrified again by the electric circuit is detected by the reset spring is electrically, the reset spring 8 is electrically, the value is detected to be electrically disconnected, the value is automatically, the value is detected to be the value is electrically and the value is automatically, and the value is detected, and the value is electrically and the value is automatically, and the value is electrically and has the value.

Referring to fig. 3 to 5, in the present embodiment, a through hole 10 is formed on a slider 6, a guide post 11 corresponding to the through hole 10 is formed on a key 9, a positioning slot 12 is formed on the guide post 11, a positioning piece 13 is formed on the slider 6, the positioning piece 13 passes through the slider 6 and is placed in the through hole 10, and the guide post 11 passes through the through hole 10 to enable the positioning piece 13 to be matched with the positioning slot 12, so that the slider 6 is assembled with the key 9; the slide block 6 is correspondingly provided with a pushing groove 14, the upper end of the elastic sheet 5 is arranged in the pushing groove 14, the elastic sheet 5 is driven to move through the pushing groove 14, the guide post 11 penetrates through the circuit board 2, the return spring 7 is sleeved on the guide post 11, the key 9 is also provided with a clamping hook 15, and limit can be formed between the key 9 and the circuit board 2 after being ejected by the return spring 7.

Referring to fig. 6-8, in the present embodiment, a key cover 18 is installed on a housing 1, a first key groove 19 and a second key groove 20 are provided on the key cover 18, the surfaces of the first key groove 19 and the second key groove 20 are disposed outside the housing 1, one end of a key 9 is disposed in the first key groove 19, a detection switch 8 is disposed in the second key groove 20, the key 9 is pressed by the surface of the first key groove 19, and the detection switch 8 is pressed by the surface of the second key groove 20; the support 3 is symmetrically provided with a sliding groove 21, two sides of the sliding block 6 are symmetrically provided with sliding arms 22, the sliding arms 22 are arranged in the sliding groove 21, the support 3 is symmetrically provided with a first mounting seat 23 and a second mounting seat 24, one end of the plug 4 is fixed in the first mounting seat 23, one end of the elastic sheet 5 is fixed in the second mounting seat 24, the support 3 is also provided with an avoidance hole 25, and the end part of the guide post 11 penetrates through the avoidance hole 25.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a leakage protection plug, includes casing (1) and installs circuit board (2) and support (3) in casing (1), its characterized in that: the circuit board (2) is arranged on one side of the support (3), a plug (4) and an elastic sheet (5) are symmetrically arranged on the support (3), the bottom of the elastic sheet (5) is electrically connected with the circuit board (2), a sliding block (6) is slidably arranged on the support (3), a key (9) is inserted on the sliding block (6), a reset spring (7) is arranged between the key (9) and the shell (1), the upper end of the elastic sheet (5) is abutted to the sliding block (6), the reset spring (7) is used for pushing the key (9) to enable the elastic sheet (5) to be conducted with the plug (4), the key (9) is pressed to enable the elastic sheet (5) to be separated from the plug (4), and a detection switch (8) is arranged on the circuit board (2) and used for detecting a circuit; be equipped with through-hole (10) on slider (6), be equipped with on button (9) with guide post (11) that through-hole (10) correspond, be equipped with constant head tank (12) on guide post (11), be equipped with spacer (13) on slider (6), spacer (13) pass slider (6) are arranged in through-hole (10), guide post (11) pass through-hole (10) make spacer (13) with constant head tank (12) cooperation.

2. The earth leakage protection plug of claim 1, wherein: the sliding block (6) is correspondingly provided with a pushing groove (14), the upper end of the elastic sheet (5) is arranged in the pushing groove (14), the guide post (11) penetrates through the circuit board (2), the return spring (7) is sleeved on the guide post (11), and the button (9) is further provided with a clamping hook (15).

3. The earth leakage protection plug of claim 1, wherein: the plug (4) is provided with a first contact (16), the elastic sheet (5) is provided with a second contact (17), and the second contact (17) is abutted against the first contact (16).

4. The earth leakage protection plug of claim 1, wherein: install key cover (18) on casing (1), be equipped with on key cover (18) first key groove (19) and second key groove (20), first key groove (19) and the second is pressed the surface of key groove (20) and is arranged in casing (1) outside, in first key groove (19) are arranged in to the one end of button (9), detection switch (8) are arranged in second key groove (20).

5. The earth leakage protection plug of claim 1, wherein: the sliding block is characterized in that sliding grooves (21) are symmetrically formed in the support (3), sliding arms (22) are symmetrically arranged on two sides of the sliding block (6), and the sliding arms (22) are arranged in the sliding grooves (21).

6. The earth leakage protection plug of claim 1, wherein: the novel socket is characterized in that a first mounting seat (23) and a second mounting seat (24) are symmetrically arranged on the support (3), one end of the plug (4) is fixed in the first mounting seat (23), and one end of the elastic piece (5) is fixed in the second mounting seat (24).

7. The earth leakage protection plug of claim 1, wherein: the support (3) is also provided with an avoidance hole (25), and the end part of the guide post (11) passes through the avoidance hole (25).