Small-size electric leakage protection device

Abstract

The utility model belongs to the technical field of electric leakage protection devices, and particularly relates to a small-size electric leakage protection device which comprises a fixing plate, mounting frames are fixedly mounted on the front side and the rear side of the top of the fixing plate, a fixing box is fixedly mounted between one sides of the mounting frames, and lead screws are rotatably mounted on the inner side of the fixing box and are sequentially arranged from front to back. A sliding block is installed on the outer side of the lead screw in a threaded mode, a sleeve is fixedly installed at the bottom of the fixed box, and through the arranged control assembly, after the leakage current detection device detects electric leakage, the motor can be controlled to drive the worm to rotate, the worm can drive the multiple worm wheels to rotate, the worm wheels can drive the lead screw to rotate, and therefore the leakage current can be detected. The lead screw drives the sliding block to ascend and descend, the sliding block drives the conductive block to be separated from the conductive device, the device is not prone to damage after electric leakage, and when a worker installs a cable, the device is not powered on, so that the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage protection devices, in particular to a small-volume leakage protection device. Background Art

[0002] With the popularization of household appliances, people have more and more opportunities to come into contact with electricity. There are frequent incidents of electric shock and casualties caused by leakage of household appliances. Leakage refers to the leakage of current in the circuit, or the generation of current when the neutral wire and the live wire are not connected. Once leakage occurs, it can burn the appliance at the least, or cause electric shock or fire at the worst.

[0003] Publication No. CN 113871230 A discloses a small-volume leakage protection device, comprising a base, a mounting cavity is provided on the base, a handle and a contact mechanism are provided in the mounting cavity, and an inner cover detachably connected to the base, the inner cover covers the mounting cavity, and a long slot is provided on the inner cover and the upper cover for the handle to pass through;

[0004] When in use, after leakage occurs in the device, the staff needs to manually remove the cable or control the switch, so that the device needs to be operated by professionals. In addition, after the cable becomes loose, it is inconvenient for the staff to re-fix the cable. Therefore, we propose a small-volume leakage protection device. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a small-volume leakage protection device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A small-volume leakage protection device comprises a fixed plate, a mounting frame is fixedly installed on the front and rear sides of the top of the fixed plate, a fixed box is fixedly installed between one side of the mounting frame, a screw rod is rotatably installed on the inner side of the fixed box, and the screw rods are arranged in sequence from front to back, a slider is threadedly installed on the outer side of the screw rod, a sleeve is fixedly installed on the bottom of the fixed box, and the sleeves are arranged in sequence from front to back, a conductive device is fixedly installed on the left and right sides of the top of the fixed plate, and the sleeves are arranged in sequence from front to back, a conductive block is fixedly installed on the bottom of the slider, a cable connecting seat is fixedly installed on the top of the conductive device, and a leakage current detection device is fixedly installed on the front side of the mounting frame; a control component, the control component is installed on the mounting frame, the fixed box and the screw rod; a detection component, the detection component is installed on the mounting frame.

[0008] Preferably, the control component includes a battery, a motor, a worm and a worm wheel, the battery is fixedly mounted on the front side of the mounting frame, the motor is fixedly mounted on the front inner wall of the fixed box, the battery and the motor are electrically connected, the worm is fixedly mounted on the output end of the motor, the worm wheel is fixedly mounted on the outside of the screw, and the worm wheel is meshed with the worm.

[0009] By adopting the above technical solution, the worm can drive multiple worm wheels to rotate, and the worm wheels can drive the lead screw to rotate after rotating, so that the device is more convenient to operate.

[0010] Preferably, the detection assembly includes a fixed shaft, a baffle, a detection connection cable, a leakage switch and a control cable, the fixed shaft is fixedly installed on the left and right sides between one side of the mounting frame, the baffle is rotatably installed on the outside of the fixed shaft, the detection connection cable is fixedly installed on the inner side of the fixed plate, the leakage switch is fixedly installed on the front side of the mounting frame, the detection connection cable and the leakage switch are electrically connected, the control cable is fixedly installed on one side of the detection connection cable, and one end of the control cable is fixedly installed on one side of the battery.

[0011] By adopting the above technical solution, the device can be detected by the leakage current detection device after leakage, so that the battery can control the motor, thereby making it difficult for the device to short-circuit after leakage.

[0012] Preferably, a plurality of cable installation grooves are provided on the top of the fixing plate, and the detection connection cables are arranged on the inner sides of the cable installation grooves.

[0013] By adopting the above technical solution, the detection connection cable can be installed on the inner side of the cable installation groove, so that the detection connection cable is not easy to be entangled or confused after installation.

[0014] Preferably, a cable passing groove is opened on one side of the baffle, and the cable passing groove is aligned with the position of the cable connecting seat.

[0015] By adopting the above technical solution, the cable passing groove facilitates the cable to pass through, and the baffle is not easy to block or interfere with the cable.

[0016] Preferably, a fixing hole is opened on one side of the cable connection seat, and the live wire, the neutral wire and the ground wire are fixedly installed inside the fixing hole respectively.

[0017] By adopting the above technical solution, the live wire, the neutral wire and the ground wire can be installed more conveniently and quickly without the need for power supply.

[0018] Preferably, a limiting block is fixedly installed on the outer side of the sliding block, a limiting groove is provided on the inner side of the sleeve, and the limiting block is slidably installed on the inner side of the limiting groove.

[0019] By adopting the above technical solution, it is difficult for the slider to rotate along with the screw rod after being subjected to force, so that the slider can only slide.

[0020] Preferably, a fixing groove is formed on one side of the baffle, and the outer diameter of the fixing shaft is the same as the inner diameter of the fixing groove.

[0021] By adopting the above technical solution, the fixing groove makes it easy for the baffle to be installed on the outside of the fixed shaft, so that the baffle is more stable when rotating.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] (1) A small-volume leakage protection device of the utility model can control the motor to drive the worm to rotate through the control component after the leakage current detection device detects leakage, so that the worm can drive multiple worm wheels to rotate, so that the worm wheel can drive the lead screw to rotate, so that the lead screw drives the slider to rise and fall, so that the slider drives the conductive block to separate from the conductive device, so that the device is not easily damaged after leakage, and when personnel install cables, they do not power on, so safety is improved;

[0024] (2) The utility model provides a small-volume leakage protection device, which has a detection component and one side of multiple conductive devices is connected to a detection connection cable. When the leakage current detection device detects leakage, the battery and the motor can be started through the leakage switch and the control cable, and the baffle can protect the cable to prevent the cable from being easily worn during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional structural schematic diagram of a small-volume leakage protection device proposed by the utility model;

[0026] Figure 2 A partial three-dimensional structural schematic diagram of a small-volume leakage protection device proposed by the utility model;

[0027] Figure 3 The utility model discloses a schematic diagram of the explosion structure of a small-volume leakage protection device.

[0028] In the figure: 1. fixing plate; 2. mounting frame; 3. fixing box; 4. screw rod; 5. slider; 6. sleeve; 7. conductive device; 8. conductive block; 9. cable connection seat; 10. leakage current detection device; 11. battery; 12. motor; 13. worm; 14. worm gear; 15. fixing shaft; 16. baffle; 17. detection connection cable; 18. leakage switch; 19. control cable; 20. cable installation groove; 21. cable passing groove; 22. fixing hole; 23. limit block; 24. limit groove; 25. fixing groove. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] refer to Figure 1-3 A small-volume leakage protection device comprises a fixed plate 1, a mounting frame 2 is fixedly installed on the front and rear sides of the top of the fixed plate 1, a fixed box 3 is fixedly installed between one side of the mounting frame 2, a screw rod 4 is rotatably installed on the inner side of the fixed box 3, and they are arranged in sequence from front to back, a slider 5 is threadedly installed on the outer side of the screw rod 4, a sleeve 6 is fixedly installed on the bottom of the fixed box 3, and they are arranged in sequence from front to back, a conductive device 7 is fixedly installed on the left and right sides of the top of the fixed plate 1, and they are arranged in sequence from front to back, a conductive block 8 is fixedly installed on the bottom of the slider 5, a cable connecting seat 9 is fixedly installed on the top of the conductive device 7, and a leakage current detection device 10 is fixedly installed on the front side of the mounting frame 2; a control component, the control component is installed on the mounting frame 2, the fixed box 3 and the screw rod 4; a detection component, the detection component is installed on the mounting frame 2.

[0031] In this embodiment, the control component includes a battery 11, a motor 12, a worm 13 and a worm wheel 14. The battery 11 is fixedly mounted on the front side of the mounting frame 2, the motor 12 is fixedly mounted on the front inner wall of the fixed box 3, the battery 11 and the motor 12 are electrically connected, the worm 13 is fixedly mounted on the output end of the motor 12, the worm wheel 14 is fixedly mounted on the outer side of the screw 4, and the worm wheel 14 is meshed with the worm 13.

[0032] In this embodiment, the detection component includes a fixed shaft 15, a baffle 16, a detection connection cable 17, a leakage switch 18 and a control cable 19. The fixed shaft 15 is fixedly installed on the left and right sides between one side of the mounting frame 2, the baffle 16 is rotatably installed on the outside of the fixed shaft 15, the detection connection cable 17 is fixedly installed on the inner side of the fixed plate 1, the leakage switch 18 is fixedly installed on the front side of the mounting frame 2, the detection connection cable 17 and the leakage switch 18 are electrically connected, the control cable 19 is fixedly installed on one side of the detection connection cable 17, and one end of the control cable 19 is fixedly installed on one side of the battery 11.

[0033] In this embodiment, a plurality of cable installation grooves 20 are formed on the top of the fixing plate 1 , and the detection connection cables 17 are arranged inside the cable installation grooves 20 .

[0034] In this embodiment, a cable passing groove 21 is formed on one side of the baffle 16 , and the cable passing groove 21 is aligned with the position of the cable connecting seat 9 .

[0035] In this embodiment, a fixing hole 22 is opened on one side of the cable connection seat 9, and the live wire, the neutral wire and the ground wire are fixedly installed inside the fixing hole 22 respectively.

[0036] In this embodiment, a limit block 23 is fixedly installed on the outer side of the slider 5 , a limit groove 24 is provided on the inner side of the sleeve 6 , and the limit block 23 is slidably installed on the inner side of the limit groove 24 .

[0037] In this embodiment, a fixing groove 25 is formed on one side of the baffle 16 , and the outer diameter of the fixing shaft 15 is the same as the inner diameter of the fixing groove 25 .

[0038] The specific operation is that after the leakage current detection device 10 detects leakage, the motor 12 can be controlled to drive the worm 13 to rotate, so that the worm 13 can drive multiple worm wheels 14 to rotate, and the worm wheel 14 can drive the lead screw 4 to rotate, so that the lead screw 4 drives the slider 5 to rise and fall, and the slider 5 drives the conductive block 8 to separate from the conductive device 7, so that the device is not easily damaged after leakage, and when personnel install the cables, they are not powered on to improve safety; one side of the multiple conductive devices 7 is connected to a detection connection cable 17, and when the leakage current detection device 10 detects leakage, the battery 11 and the motor 12 can be started through the leakage switch 18 and the control cable 19, and the baffle 16 can protect the cable, so that the cable is not easily worn during use.

[0039] The above is a detailed introduction to a small-volume leakage protection device provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A small-volume leakage protection device, characterized in that: include: A fixing plate (1), a mounting frame (2) is fixedly installed on both front and rear sides of the top of the fixing plate (1), a fixing box (3) is fixedly installed between one side of the fixing frame (2), a screw rod (4) is rotatably installed on the inner side of the fixing box (3), and the screw rod (4) is arranged in sequence from front to back, a slider (5) is threadedly installed on the outer side of the screw rod (4), a sleeve (6) is fixedly installed on the bottom of the fixing box (3), and the sleeves are arranged in sequence from front to back, a conductive device (7) is fixedly installed on both left and right sides of the top of the fixing plate (1), and the conductive block (8) is fixedly installed on the bottom of the slider (5), a cable connection seat (9) is fixedly installed on the top of the conductive device (7), and a leakage current detection device (10) is fixedly installed on the front side of the fixing frame (2); A control component, wherein the control component is mounted on the mounting frame (2), the fixing box (3) and the screw rod (4); A detection component is mounted on a mounting frame (2).

2. A small-volume leakage protection device according to claim 1, characterized in that: The control assembly comprises a battery (11), a motor (12), a worm (13) and a worm wheel (14); the battery (11) is fixedly mounted on the front side of the mounting frame (2); the motor (12) is fixedly mounted on the front inner wall of the fixing box (3); the battery (11) and the motor (12) are electrically connected; the worm (13) is fixedly mounted on the output end of the motor (12); the worm wheel (14) is fixedly mounted on the outer side of the lead screw (4); and the worm wheel (14) is meshed with the worm (13).

3. A small-volume leakage protection device according to claim 1, characterized in that: The detection assembly comprises a fixed shaft (15), a baffle (16), a detection connection cable (17), a leakage switch (18) and a control cable (19); the fixed shaft (15) is fixedly mounted on the left and right sides of one side of the mounting frame (2); the baffle (16) is rotatably mounted on the outside of the fixed shaft (15); the detection connection cable (17) is fixedly mounted on the inside of the fixed plate (1); the leakage switch (18) is fixedly mounted on the front side of the mounting frame (2); the detection connection cable (17) and the leakage switch (18) are electrically connected; the control cable (19) is fixedly mounted on one side of the detection connection cable (17); and one end of the control cable (19) is fixedly mounted on one side of the battery (11).

4. A small-volume leakage protection device according to claim 3, characterized in that: A plurality of cable installation grooves (20) are provided on the top of the fixing plate (1), and the detection connection cables (17) are arranged inside the cable installation grooves (20).

5. A small-volume leakage protection device according to claim 3, characterized in that: A cable passing groove (21) is provided on one side of the baffle (16), and the cable passing groove (21) is aligned with the position of the cable connection seat (9).

6. A small-volume leakage protection device according to claim 1, characterized in that: A fixing hole (22) is provided on one side of the cable connection seat (9), and a live wire, a neutral wire and a ground wire are fixedly installed inside the fixing hole (22).

7. A small-volume leakage protection device according to claim 1, characterized in that: A limiting block (23) is fixedly mounted on the outer side of the sliding block (5), a limiting groove (24) is provided on the inner side of the sleeve (6), and the limiting block (23) is slidably mounted on the inner side of the limiting groove (24).

8. A small-volume leakage protection device according to claim 3, characterized in that: A fixing groove (25) is provided on one side of the baffle (16), and the outer diameter of the fixing shaft (15) is the same as the inner diameter of the fixing groove (25).

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