CN218896601U

CN218896601U - Leakage circuit breaker

Info

Publication number: CN218896601U
Application number: CN202320169583.5U
Authority: CN
Inventors: 罗良文; 吴善在; 吴智深
Original assignee: Rebecca Electric Group Co ltd
Current assignee: Rebecca Electric Group Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-04-21
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses an electric leakage breaker, which relates to the technical field of electric leakage breakers, and aims at solving the problems that the existing electric leakage breaker needs to be fixed in all directions by screws when being installed, so that the existing electric leakage breaker needs to be disassembled by disassembling a plurality of screws in sequence when being overhauled, the disassembly speed is low, and the overhauling and maintenance efficiency is influenced, and the utility model provides the following scheme, which comprises the following steps: the electric leakage circuit breaker comprises an electric leakage circuit breaker front shell and an electric leakage circuit breaker rear shell, wherein a clamping block is fixedly arranged on the electric leakage circuit breaker front shell and is clamped in the electric leakage circuit breaker rear shell, and a tripping switch is arranged on the electric leakage circuit breaker front shell; an inner cavity is formed in the rear shell of the residual current circuit breaker, the clamping block extends into the inner cavity, and a movable strip is slidably arranged in the inner cavity. The utility model has reasonable structural design, simpler operation, convenient and quick disassembly operation and high maintenance efficiency.

Description

Leakage circuit breaker

Technical Field

The utility model relates to the technical field of leakage circuit breakers, in particular to a leakage circuit breaker.

Background

And a switch capable of automatically operating when the leakage current in the leakage breaker circuit exceeds a preset value. The common leakage circuit breakers are divided into a voltage type and a current type, and the current type is divided into an electromagnetic type and an electronic type, and the leakage circuit breakers are used for preventing human body from electric shock and are selected according to different requirements of direct contact and indirect contact for electric shock protection.

However, the existing residual current circuit breaker needs to be fixed in all directions by screws during installation, so that the existing residual current circuit breaker needs to be disassembled for maintenance by disassembling a plurality of screws in sequence during maintenance, the disassembling speed is low, and the maintenance efficiency of the residual current circuit breaker is affected.

Disclosure of Invention

The utility model aims to solve the defects that the existing leakage circuit breaker needs to be fixed in all directions by screws when being installed, so that a plurality of screws need to be disassembled in sequence to be disassembled for maintenance when the existing leakage circuit breaker is overhauled, the disassembly speed is low, and the maintenance efficiency is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an earth leakage breaker, comprising:

the electric leakage circuit breaker comprises an electric leakage circuit breaker front shell and an electric leakage circuit breaker rear shell, wherein a clamping block is fixedly arranged on the electric leakage circuit breaker front shell and is clamped in the electric leakage circuit breaker rear shell, and a tripping switch is arranged on the electric leakage circuit breaker front shell;

an inner cavity is formed in the rear shell of the residual current circuit breaker, the clamping block extends into the inner cavity, a moving strip is slidably arranged in the inner cavity, and the moving strip extends out of the rear shell of the residual current circuit breaker and is fixedly provided with a pull block;

the inner cavity is provided with two T-shaped strips in a sliding mode, the two T-shaped strips are inserted into the clamping block, the T-shaped strips located above are fixedly connected with the movable strip, the T-shaped strips located above are fixedly provided with pull wires, and one ends of the pull wires, far away from the T-shaped strips located above, are fixedly arranged on the T-shaped strips located below.

In a preferred embodiment, a fixed block is fixedly arranged on the inner wall of the inner cavity, a connecting spring is fixedly arranged on the fixed block, and the connecting spring is fixedly arranged on the movable strip.

In a preferred embodiment, two U-shaped strips are fixedly mounted on the inner wall of the inner cavity, and the two T-shaped strips are slidably sleeved on the outer sides of the corresponding U-shaped strips.

In a preferred embodiment, two T-shaped strips are fixedly provided with return springs, and two return springs are fixedly arranged on the corresponding U-shaped strips.

In a preferred embodiment, slots are formed in two sides of the clamping block, and the two T-shaped strips are inserted into the corresponding slots.

In a preferred embodiment, two guide wheels are rotatably mounted in the inner chamber, and the wire is connected to both guide wheels in a transmission manner.

According to the leakage breaker, the fixture block, the movable strip, the pull block, the fixed block, the springs, the two T-shaped strips, the two U-shaped strips, the two reset springs, the pull wire and the two guide wheels are matched together, so that the disassembly operation is convenient and quick, and the overhaul and maintenance efficiency is high;

drawings

Fig. 1 is a schematic perspective view of an electrical leakage breaker according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a leakage breaker according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of the leakage breaker according to the present utility model.

In the figure: 1. front shell of leakage breaker; 2. a residual current circuit breaker rear case; 3. a trip switch; 4. a clamping block; 5. an inner cavity; 6. moving the bar; 7. pulling blocks; 8. a fixed block; 9. a connecting spring; 10. a T-shaped strip; 11. a U-shaped strip; 12. a return spring; 13. a slot; 14. a pull wire; 15. and a guide wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, one embodiment of the present solution provides: an earth leakage breaker, comprising:

the electric leakage circuit breaker comprises an electric leakage circuit breaker front shell 1 and an electric leakage circuit breaker rear shell 2, wherein a clamping block 4 is fixedly arranged on the electric leakage circuit breaker front shell 1, the clamping block 4 is clamped in the electric leakage circuit breaker rear shell 2, and a tripping switch 3 is arranged on the electric leakage circuit breaker front shell 1;

an inner cavity 5 is formed in the rear shell 2 of the residual current circuit breaker, a clamping block 4 extends into the inner cavity 5, a moving strip 6 is arranged in the inner cavity 5 in a sliding mode, and the moving strip 6 extends out of the rear shell 2 of the residual current circuit breaker and is fixedly provided with a pull block 7;

the inner cavity 5 is internally provided with two T-shaped strips 10 in a sliding manner, the two T-shaped strips 10 are inserted into the clamping block 4, the T-shaped strip 10 positioned above is fixedly connected with the movable strip 6, a stay wire 14 is fixedly arranged on the T-shaped strip 10 positioned above, and one end of the stay wire 14, far away from the T-shaped strip 10 positioned above, is fixedly arranged on the T-shaped strip 10 positioned below.

Referring to fig. 3, in this embodiment, a fixed block 8 is fixedly mounted on the inner wall of the inner cavity 5, a connecting spring 9 is fixedly disposed on the fixed block 8, and the connecting spring 9 is fixedly disposed on the moving bar 6, so that the restoring movement of the moving bar 6 can be facilitated.

Referring to fig. 3, in this embodiment, two U-shaped strips 11 are fixedly mounted on the inner wall of the inner cavity 5, and two T-shaped strips 10 are slidably sleeved on the outer sides of the corresponding U-shaped strips 11, so that a limiting effect can be achieved on the two T-shaped strips 10.

Referring to fig. 3, in this embodiment, two T-shaped bars 10 are fixedly provided with return springs 12, and two return springs 12 are fixedly provided on corresponding U-shaped bars 11, so that the return movement of two T-shaped bars 10 can be facilitated.

Referring to fig. 3, in this embodiment, slots 13 are formed on two sides of the clamping block 4, and two T-shaped strips 10 are inserted into corresponding slots 13, so that two T-shaped strips 10 can be conveniently inserted into the clamping block 4.

Referring to fig. 3, in this embodiment, two guide wheels 15 are rotatably installed in the inner cavity 5, and the pull wire 14 is connected to the two guide wheels 15 in a transmission manner, so that the pull wire 14 can play a guiding role, so that when the upper T-shaped bar 10 is pulled to move, the two T-shaped bars 10 can slide out of the clamping block 4 away from each other through the pull wire 14 and the two guide wheels 15.

The operating principle, when need dismantle to examine and repair the maintenance to earth leakage circuit breaker front housing 1, can pull piece 7 through the pulling, make pull piece 7 can pull movable strip 6 upward movement and tensile connecting spring 9, simultaneously can pull the T type strip 10 that is located the top through movable strip 6 upward movement, make the T type strip 10 that is located the top can roll out fixture block 4 and can extrude the reset spring 12 that is located the top through the T type strip 10 that is located the top, simultaneously can pull the T type strip 10 that is located the below through acting as go-between 14 and move downwards and extrude the reset spring 12 that is located the below, thereby can make two T type strips 10 can simultaneously roll out fixture block 4, then can dismantle earth leakage circuit breaker front housing 1, it is simple and convenient to dismantle, its maintenance efficiency has been improved greatly.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. An earth leakage breaker, comprising:

the electric leakage circuit breaker comprises an electric leakage circuit breaker front shell (1) and an electric leakage circuit breaker rear shell (2), wherein a clamping block (4) is fixedly arranged on the electric leakage circuit breaker front shell (1), the clamping block (4) is clamped in the electric leakage circuit breaker rear shell (2), and a tripping switch (3) is arranged on the electric leakage circuit breaker front shell (1);

an inner cavity (5) is formed in the rear shell (2) of the residual-current circuit breaker, the clamping block (4) extends into the inner cavity (5), a moving strip (6) is arranged in the inner cavity (5) in a sliding mode, and the moving strip (6) extends out of the rear shell (2) of the residual-current circuit breaker and is fixedly provided with a pull block (7);

the inner cavity (5) is internally provided with two T-shaped strips (10) in a sliding manner, the two T-shaped strips (10) are inserted into the clamping blocks (4), the T-shaped strips (10) located above are fixedly connected with the movable strips (6), stay wires (14) are fixedly arranged on the T-shaped strips (10) located above, one ends of the stay wires (14) away from the T-shaped strips (10) located above are fixedly arranged on the T-shaped strips (10) located below.

2. The earth leakage breaker according to claim 1, characterized in that: the inner wall of the inner cavity (5) is fixedly provided with a fixed block (8), the fixed block (8) is fixedly provided with a connecting spring (9), and the connecting spring (9) is fixedly arranged on the movable strip (6).

3. The earth leakage breaker according to claim 1, characterized in that: two U-shaped strips (11) are fixedly arranged on the inner wall of the inner cavity (5), and the two T-shaped strips (10) are slidably sleeved on the outer sides of the corresponding U-shaped strips (11).

4. A leakage breaker according to claim 3, wherein: and the two T-shaped strips (10) are fixedly provided with return springs (12), and the two return springs (12) are fixedly arranged on the corresponding U-shaped strips (11).

5. The earth leakage breaker according to claim 1, characterized in that: slots (13) are formed in two sides of the clamping block (4), and the two T-shaped strips (10) are inserted into the corresponding slots (13).

6. The earth leakage breaker according to claim 1, characterized in that: the inner cavity (5) is rotatably provided with two guide wheels (15), and the stay wire (14) is connected to the two guide wheels (15) in a transmission way.