Residual-current circuit breaker protection device

Abstract

The utility model discloses a residual-current circuit breaker protection device, which comprises a cuboid front buckling cover shell and splicing groove strips, strip-shaped splicing grooves are arranged on the inner sides of the cover walls at the upper end and the lower end of the cuboid front buckling cover shell, the splicing groove strips are arranged in the splicing grooves, wire holes are arranged at the splicing positions of the splicing groove strips and the cuboid front buckling cover shell, and the splicing groove strips are arranged in the wire holes. The cover walls of the upper end and the lower end of the cuboid front buckle cover shell are each rotationally connected with a pressing stud, one end of each pressing stud extends into the cuboid front buckle cover shell and is rotationally provided with a pressing piece cushion body, and the cuboid front buckle cover shell is composed of an outer protective shell layer on the outer side and an inner asbestos layer arranged on the inner side wall of the outer protective shell layer. The electric leakage circuit breaker has the beneficial effects that the existing electric leakage circuit breaker can be directly installed without disassembling a wire circuit, the internal clamping position is observed from the front side, and the electric leakage circuit breaker is practical, stable, flexible to disassemble and assemble and good in double-layer protection performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker device field, in particular to a leakage circuit breaker protection device. BACKGROUND

[0002] Leakage circuit breaker mainly is used to when equipment has leakage fault and to the fatal dangerous personal electric shock protection, has overload and short circuit protection function, can be used to protect line or motor overload and short circuit, also can be used as line's infrequent conversion start under normal circumstances,

[0003] Most leakage circuit breakers are generally exposed to use, and there is certain security risk in long-time exposure, such as the leakage circuit breaker with the protection structure introduced in CN221126667U is a kind of leakage circuit breaker developed for long-time exposure, and it is protected by protective box body, but if the protective box structure is installed on the leakage circuit breaker already exposed to install, it is very troublesome to pass through wire tube wiring, needs to be reconnected, and the leakage circuit breaker main body also needs to be disassembled and reinstalled in the box, therefore, the above-mentioned protection mechanism has poor flexibility for the leakage circuit breaker already exposed to install, and is inconvenient to install. SUMMARY

[0004] The utility model discloses a leakage circuit breaker protection device.

[0005] The utility model discloses the following technical scheme to realize the above-mentioned purpose:

[0006] A leakage circuit breaker protection device, comprising a cuboid front buckle cover shell and an assembled slot, a strip-shaped assembling slot is formed in the inner side of the upper and lower end cover walls of the cuboid front buckle cover shell, the assembling slot is provided with the assembled slot, the assembling slot and the splicing part of the cuboid front buckle cover shell are provided with a wire hole, the upper and lower end cover walls of the cuboid front buckle cover shell are rotatably connected with a compression stud, one end of the compression stud extends into the interior of the cuboid front buckle cover shell and is rotatably connected with a compression piece pad, and the cuboid front buckle cover shell is composed of an outer protective shell layer and an inner asbestos layer arranged on the inner wall of the outer protective shell layer.

[0007] Further, the assembled slot is fixedly installed on the cuboid front buckle cover shell by slot screw.

[0008] Further, a plurality of heat dissipation strip holes are arranged on the two side shell walls of the cuboid front buckle cover shell.

[0009] Further, the top end of the compression stud extends to the outer side of the cuboid front buckle cover shell and is provided with a compression screw.

[0010] Furthermore, an inspection hole is provided on the front shell wall of the rectangular front buckle cover, an inspection door is hinged on one side of the inspection hole, and the other side of the inspection hole is installed together with the inspection door through a door lock.

[0011] Furthermore, a pressing groove is provided at the pressing end of the pressing piece pad.

[0012] Furthermore, a rubber gasket is attached to the inner wall of the wire hole.

[0013] The beneficial effect is that the leakage circuit breaker protection device described in the utility model can be directly installed on the existing leakage circuit breaker without disassembling the wire line. The internal clamping position can be observed from the front side. It is practical and stable, flexible in assembly and disassembly, and has good double-layer protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Fig. 1 This is a schematic diagram of the external structure of a leakage circuit breaker protection device described in the utility model;

[0015] Fig. 2 It is an internal schematic diagram of a leakage circuit breaker protection device described in the utility model.

[0016] The following are the descriptions of the reference numerals:

[0017] 1. Rectangular front buckle cover; 2. Assembly groove; 3. Screws for groove; 4. Hole for heat dissipation strip; 5. Hole for wire; 6. Rubber gasket; 7. Compression screw; 8. Inspection door; 9. Door lock; 10. Compression stud; 11. Pressure piece pad; 12. Outer protective shell; 13. Inner asbestos layer. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] like Figs. 1-2 As shown, a leakage circuit breaker protection device is composed of a rectangular front buckle cover 1 and an assembled groove bar 2;

[0020] The inner side of the upper and lower ends of the rectangular front buckle cover 1 is provided with a strip-shaped assembly groove, in which an assembly groove bar 2 is installed. The joint of the assembly groove bar 2 and the rectangular front buckle cover 1 is provided with a wire hole 5, and the wire hole 5 is provided with at least two groups for entering and exiting the wires;

[0021] Compression studs 10 are screwed onto the upper and lower end walls of the rectangular front buckle cover 1. One end of the compression stud 10 extends into the interior of the rectangular front buckle cover 1 and is rotatably mounted with a pressure pad 11. The pressure pad 11 is used to press onto the internal leakage circuit breaker, so that a gap is left between the leakage circuit breaker and the inner wall of the rectangular front cover 1, which facilitates heat dissipation and provides better protection when sparks are generated.

[0022] The cuboid front buckle cover shell 1 is composed of an outer side outer protective shell layer 12 and an inner asbestos layer 13 arranged on the inner side wall of the outer protective shell layer 12, and the asbestos layer 13 is a main layer for preventing fire and preventing spark sputtering.

[0023] As Figs. 1-2 shown, the utility model discloses the following more optimized specific structure:

[0024] The assembled slot strip 2 is fixedly installed on the cuboid front buckle cover shell 1 through slot strip screws 3, and can be removed by disassembling the slot strip screws 3, and after being removed, the wire hole 5 is divided into two parts, facilitating the wire of the internal leakage circuit breaker to pass through.

[0025] A plurality of heat dissipation strip holes 4 are arranged on the two side shell walls of the cuboid front buckle cover shell 1, and the bottom hole wall of the heat dissipation strip hole 4 is inclined.

[0026] The top end of the pressing stud 10 extends to the outer side of the cuboid front buckle cover shell 1 and is provided with a pressing screw 7.

[0027] A maintenance hole is arranged on the front side shell wall of the cuboid front buckle cover shell 1, a maintenance door 8 is hingedly arranged on one side of the maintenance hole, and the other side of the maintenance hole is installed together with the maintenance door 8 through a door lock piece 9, facilitating the front side operation and maintenance during installation.

[0028] The pressing end of the pressing piece pad body 11 is provided with a pressing groove.

[0029] A rubber pad sleeve 6 is attached and installed on the inner side wall of the wire hole 5.

[0030] As Figs. 1-2 shown, the leakage circuit breaker protection device does not need to disassemble the original wire during installation, and can be directly installed on the basis of the original leakage circuit breaker, the door lock piece 9 is opened, the front side is opened and closed, the assembled slot strip 2 is removed, the cuboid front buckle cover shell 1 is buckled on the leakage circuit breaker, and the wire is directly buckled in the wire hole 5, the wire hole 5 is an assembled wire hole, and after the assembled slot strip 2 is removed, it is a half-hole structure, then the appropriate position is found, the pressing stud 7 on the upper and lower sides is rotated, the pressing piece pad body 11 is pressed on the upper and lower sides of the leakage circuit breaker, and after the assembled slot strip 2 is fixedly installed, the maintenance door is closed.

[0031] Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A leakage circuit breaker protection device, characterized in that: It includes a rectangular front buckle cover shell and an assembling groove. The inner sides of the upper and lower end cover walls of the rectangular front buckle cover shell are provided with strip-shaped assembling grooves, and the assembling grooves are installed in the assembling grooves. The joints of the assembling grooves and the rectangular front buckle cover shell are provided with wire holes. The upper and lower end cover walls of the rectangular front buckle cover shell are both screwed with clamping studs, one end of the clamping studs extends to the interior of the rectangular front buckle cover shell and is rotatably installed with a pressure pad. The rectangular front buckle cover shell consists of an outer protective shell layer and an inner asbestos layer arranged on the inner side wall of the outer protective shell layer.

2. A leakage circuit breaker protection device according to claim 1, characterized in that: The assembling groove is fixedly mounted on the rectangular front buckle cover by means of groove screws.

3. The leakage circuit breaker protection device according to claim 1, characterized in that: A plurality of heat dissipation strip holes are provided on the shell walls on both sides of the rectangular front buckle cover.

4. The leakage circuit breaker protection device according to claim 1, characterized in that: The top end of the compression stud extends to the outside of the rectangular front buckle cover and is equipped with a compression screw.

5. The leakage circuit breaker protection device according to claim 1, characterized in that: An inspection hole is provided on the front shell wall of the rectangular front buckle cover shell, an inspection door is hinged on one side of the inspection hole, and the other side of the inspection hole is installed together with the inspection door through a door lock.

6. The leakage circuit breaker protection device according to claim 1, characterized in that: The pressing end of the pressing piece pad is provided with a pressing groove.

7. The leakage circuit breaker protection device according to claim 1, characterized in that: A rubber gasket is attached and installed on the inner side wall of the wire hole.

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