CN213483674U

CN213483674U - Combined electric leakage plastic shell circuit breaker

Info

Publication number: CN213483674U
Application number: CN202022541720.2U
Authority: CN
Inventors: 赵杰
Original assignee: Shandong Chengdian Power Engineering Co ltd
Current assignee: Shandong Chengdian Power Engineering Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-18
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a modular electric leakage moulded case circuit breaker, including mounting plate and protection casing, the both sides difference fixedly connected with ventilation pipe and the motor casing of protection casing, the inboard fixed mounting of motor casing has the mount pad, one side fixed mounting of mount pad has driving motor, driving motor's the output shaft outside has cup jointed radiating blade, the lower fixed surface of motor casing installs U type cleaning brush, the inside of U type cleaning brush is provided with the filter that runs through the motor casing, mounting plate's front surface rotates and is connected with L type pin, fixedly connected with torsional spring between L type pin and the mounting plate. The utility model provides a modular electric leakage moulded case circuit breaker through pulling L type pin downwards to stimulate the filter from top to bottom, make the filter remove in the inside of U type cleaning brush, can brush the filth on filter plate surface, thereby solved the filter and need dismantle when clean, caused clean troublesome problem.

Description

Combined electric leakage plastic shell circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field especially relates to a modular electric leakage moulded case circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition within a predetermined time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range thereof, and the division of the high-voltage and low-voltage boundary lines is relatively fuzzy, and generally called a high-voltage electric appliance with a voltage of 3kV or more.

Chinese patent network application CN211208348U discloses "a combined circuit breaker", the inner bottom wall of the protection box body is fixedly connected with a shock pad, and the top of the shock pad is movably connected with a breaker body. Although this combined circuit breaker, through installing the protection box, can protect the breaker body, drive the drive shaft through servo motor and rotate, the pivoted in-process of drive shaft can drive radiator vane and rotate, the pivoted in-process of radiator vane can blow into the inboard of protection box with cold wind through two connecting pipes, through the circulation flow of cold wind in the protection box inboard, can cool down the inboard of protection box, thereby can dispel the heat to the breaker body, avoid the breaker body to receive the damage because of the high temperature, the effect of breaker body protection has been realized, convenient to use, the effectual mesh of combined circuit breaker protection has been realized, effectually protect the circuit breaker. However, the filter plate needs to be detached when cleaning, which causes a problem of troublesome cleaning. Therefore, there is a need for a combined residual current plastic case circuit breaker that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a modular electric leakage moulded case circuit breaker has solved the filter and need dismantle when clean, has caused clean troublesome problem.

For solving the technical problem, the utility model provides a pair of modular electric leakage moulded case circuit breaker, including mounting plate and protection casing, the protection casing is located mounting plate's dead ahead, just protection casing and mounting plate's inside is provided with combination formula circuit breaker main part jointly, fixedly connected with ventilation pipe and motor cover respectively in the both sides of protection casing, the inboard fixed mounting of motor cover has the mount pad, one side fixed mounting of mount pad has driving motor, driving motor's the output shaft outside has cup jointed radiator vane, the lower fixed surface of motor cover installs U type cleaning brush, the inside of U type cleaning brush is provided with the filter that runs through the motor cover, mounting plate's front surface rotates and is connected with L type pin, fixedly connected with torsional spring between L type pin and the mounting plate.

Preferably, the clamping grooves are symmetrically formed in the two sides of the mounting bottom plate, and the clamping blocks matched with the clamping grooves are symmetrically and fixedly mounted on the two sides of the protective cover.

Preferably, the fixture block is of a U-shaped structure, and the fixture block is made of an elastic plastic material.

Preferably, four fixing holes are uniformly formed in the front surface of the mounting base plate, and each fixing hole is of a T-shaped structure.

Preferably, the combined circuit breaker main body comprises a connecting wire arranged at the top, and the upper end of the connecting wire penetrates through the protective cover.

Preferably, a rubber pad is fixedly mounted on the rear surface of the mounting base plate, and the width of the rubber pad is smaller than that of the mounting base plate.

Compared with the prior art, the utility model provides a pair of modular electric leakage moulded case circuit breaker has following beneficial effect:

the utility model provides a modular electric leakage moulded case circuit breaker through pulling L type pin downwards to stimulate the filter from top to bottom, make the filter remove in the inside of U type cleaning brush, can brush the filth on filter plate surface, thereby solved the filter and need dismantle when clean, caused clean troublesome problem.

The utility model provides a modular electric leakage moulded case circuit breaker adopts fixture block and draw-in groove to carry out the joint between protection casing and mounting plate, through pulling the fixture block, makes its inside that breaks away from the draw-in groove to convenient dismantlement lower protection casing is convenient for overhaul the modular circuit breaker main part.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a combined residual current plastic case circuit breaker provided by the present invention;

fig. 2 is a right side view of the present invention;

fig. 3 is a partial enlarged view of part a of the present invention.

Reference numbers in the figures: 1. an L-shaped stop lever; 2. a motor cover; 3. a mounting seat; 4. a drive motor; 5. a heat dissipating fin; 6. a filter plate; 7. a clamping block; 8. a fixing hole; 9. mounting a bottom plate; 10. a protective cover; 11. a card slot; 12. a vent pipe; 13. a combined circuit breaker body; 14. a connecting wire; 15. a rubber pad; 16. a torsion spring; 17. u type cleaning brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a combined residual current plastic case circuit breaker according to the present invention; fig. 2 is a right side view of the present invention; fig. 3 is a partial enlarged view of part a of the present invention. A combined type electric leakage molded case circuit breaker comprises a mounting base plate 9 and a protective cover 10, wherein the protective cover 10 is positioned right ahead of the mounting base plate 9, a combined type circuit breaker main body 13 is arranged inside the protective cover 10 and the mounting base plate 9 together, a ventilation pipe 12 and a motor cover 2 are fixedly connected to two sides of the protective cover 10 respectively, a mounting seat 3 is fixedly mounted on the inner side of the motor cover 2, a driving motor 4 is fixedly mounted on one side of the mounting seat 3, a radiating blade 5 is sleeved outside an output shaft of the driving motor 4, a U-shaped cleaning brush 17 is fixedly mounted on the lower surface of the motor cover 2, a filter plate 6 penetrating through the motor cover 2 is arranged inside the U-shaped cleaning brush 17, an L-shaped stop lever 1 is rotatably connected to the front surface of the mounting base plate 9, a torsion spring 16 is fixedly connected between the L-shaped stop lever 1 and the mounting base plate 9, the L, the filter plate 6 is moved inside the U-shaped cleaning brush 17, and dirt on the surface of the filter plate 6 can be brushed away, so that the problem that the filter plate 6 needs to be disassembled when being cleaned, and the cleaning trouble is caused is solved.

Further, the clamping grooves 11 are symmetrically formed in the two sides of the mounting base plate 9, the clamping blocks 7 matched with the clamping grooves 11 are symmetrically and fixedly mounted on the two sides of the protective cover 10, and the protective cover 10 and the mounting base plate 9 are conveniently assembled.

Furthermore, the fixture block 7 is in a U-shaped structure, and the fixture block 7 is made of an elastic plastic material, so that the fixture block 7 can be opened to a certain extent.

Further, four fixing holes 8 are evenly formed in the front surface of the mounting base plate 9, each fixing hole 8 is of a T-shaped structure, and the mounting base plate 9 is convenient to fix.

Further, the combined circuit breaker main body 13 includes a connecting wire 14 disposed at the top, and an upper end of the connecting wire 14 penetrates the protection cover 10.

Further, a rubber pad 15 is fixedly mounted on the rear surface of the mounting base plate 9, and the width of the rubber pad 15 is smaller than that of the mounting base plate 9.

The utility model provides a pair of modular electric leakage moulded case circuit breaker's theory of operation as follows:

when the circuit breaker is used, the driving motor 4 is started to drive the radiating blades 5 connected with the output shaft of the driving motor to rotate, so that the combined circuit breaker main body 13 is radiated. When the combined circuit breaker main body 13 needs to be overhauled, the lower protective cover 10 is detached, the clamping block 7 is opened to a certain degree by pulling the clamping block 7, and the lower protective cover 10 is taken down. When the filter plate 6 needs to be cleaned, the L-shaped stop lever 1 is pulled downwards at first to enable the L-shaped stop lever not to limit the filter plate 6 any more, then the filter plate 6 is pulled downwards, and the U-shaped cleaning brush 17 cleans dust on two sides of the filter plate 6.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a modular electric leakage moulded case circuit breaker, includes mounting plate (9) and protection casing (10), its characterized in that: the protective cover (10) is positioned right in front of the mounting bottom plate (9), a combined breaker main body (13) is arranged in the protective cover (10) and the mounting bottom plate (9) together, the two sides of the protective cover (10) are respectively fixedly connected with a ventilation pipe (12) and a motor cover (2), a mounting seat (3) is fixedly arranged on the inner side of the motor cover (2), a driving motor (4) is fixedly arranged on one side of the mounting seat (3), the outer side of the output shaft of the driving motor (4) is sleeved with a radiating blade (5), a U-shaped cleaning brush (17) is fixedly arranged on the lower surface of the motor cover (2), a filter plate (6) penetrating through the motor cover (2) is arranged inside the U-shaped cleaning brush (17), the front surface of the mounting bottom plate (9) is rotationally connected with an L-shaped stop lever (1), and a torsion spring (16) is fixedly connected between the L-shaped stop lever (1) and the mounting bottom plate (9).

2. The combined residual current plastic case circuit breaker according to claim 1, wherein the mounting base plate (9) is symmetrically provided with clamping grooves (11) at both sides thereof, and the protective cover (10) is symmetrically and fixedly provided with clamping blocks (7) matched with the clamping grooves (11) at both sides thereof.

3. The combined residual current plastic case circuit breaker according to claim 2, wherein the latch (7) is of a "U" shape, and the latch (7) is made of an elastic plastic material.

4. The combined residual current plastic case breaker according to claim 1, wherein the front surface of the mounting base plate (9) is uniformly provided with four fixing holes (8), and each fixing hole (8) is of a "T" shaped structure.

5. A combined residual current plastic case circuit breaker according to claim 1, wherein said combined circuit breaker main body (13) comprises a connecting wire (14) disposed at the top, and the upper end of said connecting wire (14) penetrates said protection cover (10).

6. A combined residual current molded case circuit breaker according to claim 1, wherein a rubber pad (15) is fixedly installed on the rear surface of said installation base plate (9), and the width of said rubber pad (15) is smaller than the width of said installation base plate (9).