CN210201471U - Electric leakage protection device for building electrical engineering - Google Patents

Abstract

The utility model relates to an earth leakage protection technical field specifically discloses a building electrical engineering earth leakage protection device, the utility model discloses a first box, the second box, a switch, leakage indicator lamp and test button, the left end fixedly connected with protective housing of first box, the right-hand member fixedly connected with on protective housing upper portion even pivots, the lower extreme fixedly connected with of even pivot rotates the apron, and the length of rotating the apron is greater than the protective housing to the length of even pivot, the left and right sides of protective housing lower extreme all is equipped with the olecranon, and one side that two olecranons are close to each other all is equipped with the drip, through setting up the protective housing, make leakage protection device can not produce the malfunction because of rainwater weather in the use, rotate the apron through setting up, make leakage protection device also can open the switch very easily when being protected.

Description

Electric leakage protection device for building electrical engineering

Technical Field

The utility model relates to an earth leakage protection technical field, concretely relates to building electrical engineering earth leakage protection device.

Background

The leakage protector is a kind of earthing protector for preventing accidents caused by electric shock and leakage of human body, and when the leakage current of circuit or electric equipment is greater than the setting value of the device or the danger of electric shock of human and animal, it can act quickly to cut off the power supply of accident, so avoiding the expansion of accident and ensuring the safety of human body and equipment. In the building electrical engineering, the leakage protection device also needs corresponding protection, especially when being constructed in the open air, the rainwater weather can make the leakage protection device produce the malfunction, has disturbed normal construction order, and sometimes the electric wire can produce because of the time overlength with the junction of leakage protection device and become flexible even drop for the leakage protection device can't play due effect.

However, the existing leakage protection device has poor protection to the leakage protection device in the using process, misoperation is frequently caused due to rain weather, and the connection between the electric wire and the leakage protection device can be loosened and even fall off due to overlong time, so that the leakage protection device can not play the due role of the leakage protection device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a building electrical engineering earth leakage protection device possesses and protects earth leakage protection device self, can not influence normal construction order because of producing the malfunction, and electric wire and earth leakage protection device can not become flexible because of the connection time overlength and advantage such as drop even, have solved earth leakage protection device and have protected badly to self, can produce the malfunction and influence normal construction order, and the electric wire produces the problem that becomes flexible or drop because of the connection time overlength with earth leakage protection device's connection.

The utility model discloses a building electrical engineering earth leakage protection device, including first box, the second box, a switch, leakage indicator lamp and test button, the left end fixedly connected with protective housing of first box, the right-hand member fixedly connected with on protective housing upper portion even pivots, the lower extreme fixedly connected with of pivot rotates the apron, and the length of rotating the apron is greater than the protective housing to the length of even pivot, the left and right sides of protective housing lower extreme all is equipped with olecranon, and two olecranons one side of being close to mutually all is equipped with the water dripping line, the upper and lower both ends of first box left part all are equipped with two recesses, and be equipped with the screw of taking the cap in the recess of first box, the screw through-hole has been seted up inside the recess of first box, screw of taking the cap and the inside screw through-hole.

The utility model discloses a building electrical engineering earth leakage protection device, wherein the bottom of taking the cap screw is equipped with the tooth pressure, and the annular groove has been seted up to the upper surface of going up the tooth pressure, and the surface of taking cap screw bottom is equipped with annular lug, and the annular lug of taking the cap screw agrees with the annular groove of last tooth pressure mutually.

The utility model discloses a building electrical engineering earth leakage protection device, wherein the equal fixedly connected with baffle in the left and right sides of the recess lower extreme of first box, the interior side surface of two baffles all contacts with the surface that last tooth pressed.

The utility model discloses a building electrical engineering earth leakage protection device, the lower extreme that wherein upper tooth pressed is equipped with down the tooth and presses, and the lower surface that the tooth pressed down and the inner wall fixed connection of first box, and the wiring mouth has all been seted up to the top and the bottom of first box left part, and can see the screw of taking the cap, go up the tooth and press, tooth pressure and baffle down through the wiring mouth.

The utility model discloses a building electrical engineering earth leakage protection device, wherein the wiring mouth is equipped with the electric wire, and four through-holes have been seted up to the bottom of protective housing, and the through-hole through connection of electric wire and protective housing.

The utility model discloses a building electrical engineering earth leakage protection device, wherein the one end that upper tooth pressed and lower tooth pressed and be close to each other all is the cockscomb structure, and the clearance that the outside and the upper tooth of electric wire pressed and lower tooth pressed extrudees mutually.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the protective housing, make earth leakage protection device can not produce the malfunction because of rainwater weather in the use, through setting up the rotation apron, make earth leakage protection device also can open the switch very easily when being protected, because the length of rotating the apron is greater than the protective housing to the length of even pivot, rotate the apron after being put down, a structure similar to olecranon has been produced, make the rainwater can not flow into the protective housing along the gap when flowing downwards, through setting up olecranon and drip line, make the rainwater flow along the surface of protective housing when flowing, can not flow the through-hole department of protective housing bottom, the possibility that the rainwater flowed into earth leakage protection device has been reduced.

2. The utility model discloses a tooth pressure and lower tooth pressure are gone up in the setting for electric wire and earth leakage protection device's connection is inseparabler, presses and presses with lower tooth through the last tooth that is provided with the cockscomb structure, has increased the tooth and has pressed and press the frictional force between the tooth pressure down, makes electric wire and earth leakage protection device's connection can not produce not hard up or even drop because of the connection time overlength.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a left side schematic view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a left side sectional view of the screw with cap according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;

fig. 6 is a schematic top view of the present invention.

In the figure: 1. a first box; 2. a second box; 3. a switch; 4. a leakage indicator light; 5. olecranon; 6. a protective shell; 7. a rotating shaft is connected; 8. rotating the cover plate; 9. a test button; 10. a cap screw; 11. dripping water; 12. a baffle plate; 13. tooth pressing is carried out; 14. pressing the gear; 15. a wiring port; 16. an electric wire.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-6, the leakage protection device for electrical engineering of buildings of the present invention comprises a first box 1, a second box 2, a switch 3, a leakage indicator lamp 4 and a test button 9, wherein the left end of the first box 1 is fixedly connected with a protective shell 6, the right end of the upper part of the protective shell 6 is fixedly connected with a connecting shaft 7, the lower end of the connecting shaft 7 is fixedly connected with a rotating cover plate 8, the length of the rotating cover plate 8 is greater than the length from the protective shell 6 to the connecting shaft 7, the left and right sides of the lower end of the protective shell 6 are respectively provided with an olecranon 5, one side of the two olecranons 5 adjacent to each other is provided with a water dripping line 11, the upper and lower ends of the left part of the first box 1 are respectively provided with two grooves, a screw with cap 10 is arranged in the groove of the first box 1, a threaded through hole is arranged in the groove of the first box, through setting up protective housing 6, ensured that earth leakage protection device can be in rainwater weather normal use, can not produce the malfunction because of the effect of rainwater, through setting up olecranon 5 and drip line 11 for the rainwater can directly drip to the ground in the bottom when the surface of protective housing 6 flows, reduced the rainwater and entered into the possibility of protective housing 6.

The bottom end of the screw with the cap 10 is provided with an upper tooth pressure 13, the upper surface of the upper tooth pressure 13 is provided with an annular groove, the outer surface of the bottom end of the screw with the cap 10 is provided with an annular convex block, the annular convex block of the screw with the cap 10 is matched with the annular groove of the upper tooth pressure 13, the screw with the cap 10 is changed into a screw rod structure through mutual matching of the screw with the upper tooth pressure 13, and the screw with the cap 10 drives the upper tooth pressure 13 to move up and down when rotating.

The equal fixedly connected with baffle 12 of the left and right sides of the recess lower extreme of first box 1, the inside surface of two baffles 12 all contacts with the surface of last tooth pressure 13, through setting up baffle 12, has blocked last tooth pressure 13 for last tooth pressure 13 only can reciprocate along with cap screw 10 when cap screw 10 rotates, can not rotate along with cap screw 10's rotation.

Go up the lower extreme of tooth pressure 13 and be equipped with down tooth pressure 14, and the lower surface of tooth pressure 14 and the inner wall fixed connection of first box 1 down, wiring mouth 15 has all been seted up on the top and the bottom of 1 left part of first box, and can see screw 10 with the cap through wiring mouth 15, go up tooth pressure 13, tooth pressure 14 and baffle 12 down, wiring mouth 15 is equipped with electric wire 16, four through-holes have been seted up to the bottom of protective housing 6, and electric wire 16 and the through-hole through connection of protective housing 6, tooth pressure 14 down through setting up, make electric wire 16 can be inseparabler with earth leakage protection device's connection.

Go up the one end that tooth pressure 13 and lower tooth pressure 14 are close to each other and all be the cockscomb structure, the outside of electric wire 16 extrudees with the clearance of last tooth pressure 13 and lower tooth pressure 14 each other, through the sawtooth structure who sets up tooth pressure 13 and lower tooth pressure 14 for electric wire 16 and earth leakage protection device's connection can not produce because of the time overlength and become flexible even drop.

Use the utility model discloses the time, install protective housing 6 after on the wall, insert tooth pressure 13 and tooth pressure 14 down between through wiring mouth 15 with electric wire 16's copper line, rotatory cap screw 10 of twisting, the decline of tooth pressure 13 is gone up in the drive, extrude electric wire 16's copper line at last tooth pressure 13 and tooth pressure 14 down between, lift and rotate apron 8, after opening switch 3, press test button 9 (test button 9 and current-limiting resistor establish ties, simulate leakage path, whether inspection device can normally move, this means belongs to current public technology, do not repeated here), it can normally work to inspect earth leakage protection device, rotate apron 8 under the lid after the inspection finishes, during the rainwater weather, the rainwater flows at protective housing 6's surface, the hawk can be on ground at protective housing 6 bottom's mouth 5 and drip 11, thereby ensured that the rainwater can not enter into protective housing 6's inside from wiring mouth 15.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a building electrical engineering earth leakage protection device, includes first box (1), second box (2), switch (3), electric leakage pilot lamp (4) and test button (9), its characterized in that: a protective shell (6) is fixedly connected at the left end of the first box (1), a connecting rotating shaft (7) is fixedly connected at the right end of the upper part of the protective shell (6), a rotating cover plate (8) is fixedly connected at the lower end of the connecting rotating shaft (7), and the length of the rotating cover plate (8) is greater than the length from the protective shell (6) to the rotating shaft (7), the olecranon (5) is arranged on the left side and the right side of the lower end of the protective shell (6), and one side of the two olecranons (5) close to each other is provided with a water dripping line (11), the upper end and the lower end of the left part of the first box (1) are provided with two grooves, a screw (10) with a cap is arranged in the groove of the first box (1), a threaded through hole is arranged in the groove of the first box (1), the screw (10) with the cap is in threaded connection with a threaded through hole in the groove of the first box (1).

2. A residual current device for electrical engineering of buildings according to claim 1, characterized in that: the bottom end of the screw with the cap (10) is provided with an upper tooth pressure (13), the upper surface of the upper tooth pressure (13) is provided with an annular groove, the outer surface of the bottom end of the screw with the cap (10) is provided with an annular convex block, and the annular convex block of the screw with the cap (10) is matched with the annular groove of the upper tooth pressure (13).

3. A residual current device for electrical engineering of buildings according to claim 1, characterized in that: the left side and the right side of the lower end of the groove of the first box (1) are fixedly connected with baffle plates (12), and the inner side surfaces of the two baffle plates (12) are in contact with the outer surface of the upper tooth press (13).

4. A residual current device for electrical engineering of buildings according to claim 3, characterized in that: go up the lower extreme of tooth pressure (13) and be equipped with down tooth pressure (14), just the lower surface of tooth pressure (14) and the inner wall fixed connection of first box (1) down, wiring mouth (15) have all been seted up to the top and the bottom of first box (1) left part, and pass through wiring mouth (15) can be seen and have been taken cap screw (10), go up tooth pressure (13), tooth pressure (14) and baffle (12) down.

5. A residual current device for electrical engineering of buildings according to claim 4, characterized in that: the wiring port (15) is provided with an electric wire (16), the bottom end of the protective shell (6) is provided with four through holes, and the electric wire (16) is in through connection with the through holes of the protective shell (6).

6. A residual current device for electrical engineering of buildings according to claim 4, characterized in that: the ends, close to each other, of the upper tooth pressure (13) and the lower tooth pressure (14) are both in a sawtooth shape, and the outer side of the electric wire (16) is mutually extruded with the gaps of the upper tooth pressure (13) and the lower tooth pressure (14).

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