CN212587427U

CN212587427U - Autonomous turn-off type leakage protection switch for low-voltage power distribution cabinet

Info

Publication number: CN212587427U
Application number: CN202021282746.3U
Authority: CN
Inventors: 周泽艺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-02-23
Anticipated expiration: 2030-07-04

Abstract

The utility model belongs to the technical field of independently turn-off formula earth leakage protection switch technique and specifically relates to a low-voltage distribution cabinet is with independently turn-off formula earth leakage protection switch, including the earth leakage protection switch body, the outside fixed cover of earth leakage protection switch body is equipped with the framework, the matching cover all around of framework is equipped with the shell, the earth leakage protection switch body is located the inside of shell, the opening has been seted up to the side of shell, open-ended inside matches and has placed first baffle, the side of first baffle and the side contact of earth leakage protection switch body, the another side of earth leakage protection switch body and the medial surface contact of shell, connect through stop gear between first baffle and the shell. The utility model discloses a set up the shell, place earth leakage protection switch inside the shell amount to opening part at the shell sets up the baffle, is used for making things convenient for the stability that earth leakage protection switch located the position and place, plays dirt-proof effect to earth leakage protection switch.

Description

Autonomous turn-off type leakage protection switch for low-voltage power distribution cabinet

Technical Field

The utility model relates to an independently turn-off leakage protection switch technical field especially relates to a low-voltage distribution cabinet is with independently turn-off leakage protection switch.

Background

The leakage protection switch is used for effectively protecting direct electric shock and indirect contact electricity of a low-voltage power grid, and because leakage current or neutral point-to-ground voltage change generated by the leakage current is used as an action signal, an action value does not need to be set by a current utilization value, so that the sensitivity is high, a power supply can be effectively and automatically cut off after action, and the personal safety is guaranteed.

Current earth leakage switch is at the in-process of installing, only single inside through the fix with screw at the switch board usually, still need just can carry out work with the help of the instrument when installation and dismantlement earth leakage switch, reduce the convenience of operation, and switch board self heat dissipation through-hole makes the inside that external dust got into the switch board drop on earth leakage switch easily, because the staff is longer to the cycle of electrical components clearance in the switch board, make earth leakage switch surface can be infected with more dust, and then reduce the efficiency of staff to the electrical components clearance in the switch board.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the low-voltage distribution cabinet who proposes is with independently turn-off formula earth leakage protection switch.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a low-voltage distribution cabinet is with independently turn-off formula earth leakage protection switch, includes the earth leakage protection switch body, the external fixation cover of earth leakage protection switch body is equipped with the framework, the matching cover all around of framework is equipped with the shell, the earth leakage protection switch body is located the inside of shell, the opening has been seted up to the side of shell, first baffle has been placed in the inside matching of open-ended, the side of first baffle and the side contact of earth leakage protection switch body, the another side of earth leakage protection switch body and the medial surface contact of shell, connect through stop gear between first baffle and the shell.

Preferably, stop gear includes two symmetrical arrangement's concave type spare, two the concave type spare all welds the side at first baffle, two the inside of concave type spare is all pegged graft and is had the inserted block, two the one end of inserted block all runs through the surface of shell and extends to the outside of shell, two the other end welding of inserted block has the second fixed plate, two run through between the second fixed plate and install the installation pole, the second baffle has been welded respectively at the both ends of installation pole, the surface cover of installation pole is equipped with compression spring, compression spring's both ends respectively with the side welding of two second fixed plates.

Preferably, the side of two inside symmetries of shell all welds the rectangular piece, two outside symmetry sides of framework all set up flutedly, rectangular piece matches places the inside at the recess, recess and rectangular piece all are the semicircle arcuation.

Preferably, the outer part of the shell is provided with a wire guide hole, and the wire guide hole is long.

Preferably, the side of the shell far away from the opening is welded with a plurality of connecting mechanisms, each connecting mechanism comprises a first fixing plate, one end of each first fixing plate is welded on the side of the shell far away from the opening, and a tool hole is formed in the side of each first fixing plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up the shell, place earth leakage protection switch inside the shell amount to opening part at the shell sets up the baffle, be used for making things convenient for the stability that earth leakage protection switch located the position and place, play dirt-proof effect to earth leakage protection switch, for the loaded down with trivial details and unable dirt-proof shortcoming of earth leakage protection switch installation among the prior art, the utility model discloses not only make things convenient for earth leakage protection switch's installation, still play dirt-proof effect to earth leakage protection switch.

Drawings

Fig. 1 is an axonometric view of an autonomous turn-off leakage protection switch for a low-voltage distribution cabinet according to the present invention;

fig. 2 is a cross-sectional view of an autonomous turn-off leakage protection switch for a low-voltage distribution cabinet according to the present invention;

fig. 3 is an enlarged view of a position a of the autonomous turn-off leakage protection switch for the low-voltage distribution cabinet of the present invention;

fig. 4 is the utility model discloses a low-voltage distribution cabinet is with stop gear schematic diagram of independently turn-off formula earth leakage protection switch.

In the figure: the leakage protection switch comprises a first baffle 1, a shell 2, a first fixing plate 3, a tooling hole 4, a wire guide hole 5, an insertion block 6, a concave piece 7, a compression spring 8, a second fixing plate 9, a second baffle 10, an installation rod 11, a groove 12, a frame body 13, a long block 14 and a leakage protection switch body 15.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-4, the autonomous turn-off leakage protection switch for the low-voltage power distribution cabinet comprises a leakage protection switch body 15, a frame body 13 is fixedly sleeved outside the leakage protection switch body 15, a shell 2 is sleeved around the frame body 13 in a matching manner, the leakage protection switch body 15 is located inside the shell 2, long blocks 14 are welded on two symmetrical sides inside the shell 2, grooves 12 are formed in two symmetrical sides outside the frame body 13, the long blocks 14 are placed inside the grooves 12 in a matching manner, the grooves 12 and the long blocks 14 are both in a semicircular arc shape, the grooves 12 and the long blocks 14 are arranged and used for limiting the frame body 13, the position of the leakage protection switch is prevented from being deviated, and the stability of the leakage protection switch in the shell 2 is further improved.

Wire hole 5 has been seted up to the outside of shell 2, wire hole 5 is rectangular form, wire hole 5 is used for the power supply line to be connected with earth leakage protection switch, has made things convenient for earth leakage protection switch to be connected with power and other respectively, fills the sponge moreover between the inner wall of wire hole 5 and electric wire for prevent that the dust from dropping the inside of shell 2 from the gap between 5 inner walls of wire hole and the electric wire, be used for playing the effect of protection to the environment in the shell 2.

Shell 2 keeps away from open-ended side welding has a plurality of coupling mechanism, coupling mechanism includes first fixed plate 3, the open-ended side is kept away from to shell 2 in the one end welding of first fixed plate 3, frock hole 4 has been seted up to the side of first fixed plate 3, for the convenience fix the inside at the switch board with shell 2, pass frock hole 4 and threaded connection in the inner wall of switch board through using the screw, can be fixed with shell 2, improve the stability of shell 2 department position, and then improve the stability of earth leakage protection switch department position.

The setting of shell 2 can supply earth leakage protection switch to place, has avoided earth leakage protection switch to pass through the fix with screw when the device, stability when having improved earth leakage protection switch installation, and shell 2 can play dirt-proof effect, the staff's of being convenient for clearance to earth leakage protection switch in addition.

An opening is formed in the side face of the shell 2, the first baffle plate 1 is placed in the opening in a matched mode, the side face of the first baffle plate 1 is in contact with the side face of the leakage protection switch body 15, the other side face of the leakage protection switch body 15 is in contact with the inner side face of the shell 2, the first baffle plate 1 and the shell 2 are connected through a limiting mechanism, the limiting mechanism comprises two concave parts 7 which are symmetrically arranged, the two concave parts 7 are welded on the side face of the first baffle plate 1, inserting blocks 6 are inserted into the two concave parts 7, one ends of the two inserting blocks 6 penetrate through the surface of the shell 2 and extend to the outer side of the shell 2, second fixing plates 9 are welded at the other ends of the two inserting blocks 6, an installation rod 11 is installed between the two second fixing plates 9 in a penetrating mode, second baffle plates 10 are welded at the two ends of the installation rod 11 respectively, a compression spring 8 is sleeved on the surface of the installation rod 11, the two ends, when the earth leakage protection switch needs to be taken out of the shell 2, acting force in the vertical direction is only needed to be exerted on the two second fixing plates 9 simultaneously, at the moment, the two second fixing plates 9 pull the two insertion blocks 6, the two insertion blocks 6 slide in the two concave pieces 7 respectively, the compression spring 8 is compressed and contracted under stress, after the two insertion blocks 6 slide out of the shell 2, the two second fixing plates 9 can be pulled, the two second fixing plates 9 pull the two concave pieces 7 to move in the horizontal direction through the two insertion blocks 6, the two concave pieces 7 pull the first baffle 1 to move in the horizontal direction, the first baffle 1 is conveniently pulled from the shell 2, and at the moment, the earth leakage protection switch can be taken out of the shell 2.

After earth leakage protection switch is in the inside of shell 2, need be with the opening shutoff, at this moment, need stimulate two second fixed plates 9 in vertical direction, after being less than 1 side width of first baffle with the distance between two inserted blocks 6, place first baffle 1 at the opening part, and two inserted blocks 6 still correspond with the jack position that corresponds on the shell 2, can stop the removal of first baffle 1, and the effort of applying two second fixed plates 9 is cancelled this moment, compression spring 8 promotes two second fixed plates 9 through the effort of self and removes, and two second fixed plates 9 promote two inserted blocks 6 respectively, two inserted blocks 6 peg graft respectively in the jack of shell 2 can, be used for connecting first baffle 1 and shell 2 fixedly, play the effect of protection to earth leakage protection switch.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a low-voltage distribution cabinet is with independently turn-off formula earth leakage protection switch, includes earth leakage protection switch body (15), its characterized in that, the external fixation cover of earth leakage protection switch body (15) is equipped with framework (13), the matching cover all around of framework (13) is equipped with shell (2), earth leakage protection switch body (15) are located the inside of shell (2), the opening has been seted up to the side of shell (2), open-ended inside matches and has placed first baffle (1), the side of first baffle (1) and the side contact of earth leakage protection switch body (15), the another side of earth leakage protection switch body (15) and the medial surface contact of shell (2), be connected through stop gear between first baffle (1) and shell (2).

2. The automatic turn-off leakage protection switch for the low-voltage distribution cabinet according to claim 1, the device is characterized in that the limiting mechanism comprises two symmetrically arranged concave parts (7), the two concave parts (7) are welded on the side surface of the first baffle plate (1), the insides of the two concave parts (7) are respectively inserted with an insert block (6), one end of each insert block (6) penetrates through the surface of the shell (2) and extends to the outer side of the shell (2), the other end of each insert block (6) is welded with a second fixing plate (9), a mounting rod (11) penetrates between the two second fixing plates (9), two ends of the mounting rod (11) are respectively welded with a second baffle (10), the surface of the mounting rod (11) is sleeved with a compression spring (8), and two ends of the compression spring (8) are respectively welded with the side surfaces of the two second fixing plates (9).

3. The automatic turn-off leakage protection switch for the low-voltage power distribution cabinet according to claim 1, wherein the two symmetrical side surfaces inside the housing (2) are welded with long blocks (14), the two symmetrical side surfaces outside the frame body (13) are provided with grooves (12), the long blocks (14) are placed inside the grooves (12) in a matching manner, and the grooves (12) and the long blocks (14) are in a semicircular arc shape.

4. The automatic turn-off leakage protection switch for low-voltage distribution cabinets of claim 1, wherein a wire guide hole (5) is opened on the outside of the housing (2), and the wire guide hole (5) is in a long strip shape.

5. The automatic turn-off leakage protection switch for the low-voltage power distribution cabinet according to claim 1, wherein a plurality of connecting mechanisms are welded to the side of the housing (2) away from the opening, each connecting mechanism comprises a first fixing plate (3), one end of each first fixing plate (3) is welded to the side of the housing (2) away from the opening, and a tool hole (4) is formed in the side of each first fixing plate (3).