CN222051663U

CN222051663U - An electrical circuit breaker convenient for disassembly and assembly

Info

Publication number: CN222051663U
Application number: CN202420713387.4U
Authority: CN
Inventors: 李英东
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-04-09
Filing date: 2024-04-09
Publication date: 2024-11-22
Anticipated expiration: 2034-04-09

Abstract

The utility model relates to the technical field of circuit breakers, in particular to an electric circuit breaker convenient to disassemble and assemble, which comprises a mounting rack and a circuit breaker body, wherein round rods are fixedly arranged at two sides of one end of the mounting rack, fixing components are arranged at the upper end and the lower end of the circuit breaker body, one end of each round rod is inserted into the fixing components, square plates are fixedly arranged at two sides of the front end of the circuit breaker body, L-shaped protection plates capable of moving up and down are symmetrically arranged between the square plates, square holes are formed at one end of each L-shaped protection plate, and dustproof ventilation nets are fixedly arranged in the square holes.

Description

Electric circuit breaker convenient to disassemble and assemble

Technical Field

The utility model relates to an electric circuit breaker convenient to assemble and disassemble, and belongs to the technical field of circuit breakers.

Background

An electric circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time, and is generally used for distributing electric power and protecting a power supply line, an electric appliance element, etc., and automatically cutting off a circuit when they are subjected to serious overload or short-circuit faults, etc., thereby preventing damage to the power supply line or electric components.

Common electric circuit breaker is when using, although can protect power supply line and electrical components, however, when installing the circuit breaker, generally through bolt direct fixed mounting or through buckle slip joint on corresponding support, it is comparatively inconvenient when overhauling or changing, and the time and energy saving is stored, the practicality is lower, and the effect is poor in the aspect of being dustproof to the circuit breaker, and the dust is attached to the circuit breaker surface easily to influence the normal use of circuit breaker, reduce its life, current dust cover is mostly integral type, the operation of circuit breaker is inconvenient.

The present utility model has been made in view of this.

Disclosure of utility model

The utility model aims to solve the problems and provide an electric circuit breaker which is convenient to disassemble and assemble and has the functions of convenient disassembly and dust prevention on a circuit breaker body

The electric circuit breaker comprises a mounting frame and a circuit breaker body, wherein the circuit breaker body is mounted on the mounting frame, round rods are fixedly mounted on two sides of one end of the mounting frame, fixing components are mounted at the upper end and the lower end of the circuit breaker body, one ends of the round rods are inserted into the fixing components, square plates are fixedly mounted on two sides of the front end of the circuit breaker body, L-shaped protection plates capable of moving up and down are symmetrically mounted between the square plates, square holes are formed in one end of each L-shaped protection plate, a dustproof ventilation net is fixedly mounted in each square hole, and when the electric circuit breaker is used, the dustproof ventilation net has the function of dustproof ventilation, does not affect heat dissipation of the circuit breaker body while preventing dust, the L-shaped protection plates are used for conducting dust prevention on the circuit breaker body, the mounting frame is formed by connecting a plurality of cross plates, and the circuit breaker body is of an existing structure and used for protecting the circuit.

Further, in order to make the round bar can insert square frame with in the limiting plate, fixed subassembly includes square frame, square frame fixed mounting is in on the circuit breaker body, square frame inside slidable mounting has the limiting plate, square frame with the guiding hole has all been seted up to the one end of limiting plate, the one end of round bar extends to in the guiding hole, when using, guiding hole on the square frame is circular hole, and the size with the size of round bar coincide, guiding hole on the limiting plate is kidney-shaped hole, kidney-shaped hole's length is greater than the diameter of circular hole, the limiting plate is used for fixing the round bar.

Further, in order to fix the round bar, the arc wall has been seted up to one side of round bar, the joint has the arc piece in the arc wall, just the arc piece with limiting plate looks fixed connection, when using, the size of arc wall with the size of arc piece is unanimous.

Further, in order to make the limiting plate can reset, square groove has been seted up to square frame's inside, square groove's bottom fixed mounting has flexible loop bar, flexible loop bar's free end with limiting plate looks fixed connection, first spring has been cup jointed in flexible loop bar's the outside, the one end fixed mounting of first spring is in the square groove, first spring's the other end with limiting plate looks fixed connection, when using, flexible loop bar has stiff end and free end to constitute, flexible loop bar is used for preventing the limiting plate breaks away from square frame also plays the guide effect, the spring is used for resetting the limiting plate.

Further, in order to prevent that L shape guard plate breaks away from square board, the one end both sides fixed mounting of L shape guard plate has the guide bar, the round hole has been seted up to the one end both sides of square board, the one end of guide bar extends to in the round hole, the second spring has been cup jointed in the outside of guide bar, when using, the guide bar plays the spacing effect of direction, prevents L shape guard plate position emergence skew in the slip in-process, the second spring is used for the drive L shape guard plate opposite movement.

Further, in order to enable the L-shaped protection plate to automatically move to two sides, one end of the second spring is fixedly connected with the L-shaped protection plate, and the other end of the second spring is fixedly connected with the square plate.

Further, in order to enable the L-shaped protection plate to stably move, a sliding groove is formed in one end of the square plate, a sliding plate is slidably installed in the sliding groove, the sliding plate is fixedly connected with the L-shaped protection plate, and the sliding plate is used for preventing the L-shaped protection plate from moving on two sides of the L-shaped protection plate when the L-shaped protection plate is used.

Further, in order to conveniently fix the L-shaped protection plate, magnets are fixedly arranged at the lower ends of the L-shaped protection plate, the magnets are adsorbed, and when the L-shaped protection plate is used, the positions of the L-shaped protection plate are limited through the magnets.

The utility model has the technical effects and advantages that: when the circuit breaker is used, the circuit breaker body can be installed or disassembled by manually pressing the limiting plate, other tools are not needed, the circuit breaker is convenient and quick, time and labor are saved, the practicability is high, dust can be prevented from being attached to the circuit breaker body through the L-shaped protection plate, normal use of the circuit breaker body is influenced, meanwhile, heat dissipation of the circuit breaker body is not influenced, and when overhauling or other operations are carried out, the circuit breaker body can be automatically fixed after the L-shaped protection plate is manually moved, and subsequent operations are not influenced.

Drawings

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic view of the explosion structure of the mounting bracket and the breaker body of the utility model;

fig. 3 is a schematic view of a circuit breaker body connection structure according to the present utility model;

FIG. 4 is a schematic view of a fixing assembly according to the present utility model;

FIG. 5 is a schematic view showing the structure of the L-shaped protection plate in the unfolded state;

FIG. 6 is a schematic view of the L-shaped fender connection structure of the utility model;

In the figure: 1. a mounting frame; 2. a circuit breaker body; 3. a round bar; 4. a fixing assembly; 401. a square frame; 402. a limiting plate; 403. an arc-shaped block; 404. a telescopic loop bar; 405. a first spring; 5. a square plate; 6. an L-shaped protection plate; 7. a dustproof ventilation net; 8. a guide rod; 9. a second spring; 10. a sliding plate; 11. a magnet.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, an electric circuit breaker convenient to disassemble and assemble comprises a mounting frame 1 and a circuit breaker body 2, wherein the circuit breaker body 2 is mounted on the mounting frame 1, round rods 3 are fixedly mounted on two sides of one end of the mounting frame 1, fixing assemblies 4 are mounted on the upper end and the lower end of the circuit breaker body 2, one end of each round rod 3 is inserted into the fixing assemblies 4, square plates 5 are fixedly mounted on two sides of the front end of the circuit breaker body 2, an L-shaped protection plate 6 capable of moving up and down is mounted between the square plates 5, square holes are formed in one end of each L-shaped protection plate 6, a dustproof ventilation net 7 is fixedly mounted in each square hole, when the circuit breaker is used, the round rods 3 are firstly inserted into the fixing assemblies 4 to fix the circuit breaker body 2, at this time, the L-shaped protection plates 6 are dustproof the circuit breaker body 2, when maintenance or replacement is required to be carried out on the circuit breaker body 2, the limitation of the round rods 3 is removed through the fixing assemblies 4, and the limitation of the round rods 3 is removed manually.

As shown in fig. 4, the fixing component 4 includes a square frame 401, the square frame 401 is fixedly mounted on the breaker body 2, a limiting plate 402 is slidably mounted in the square frame 401, a guide hole is formed at one end of the square frame 401 and one end of the limiting plate 402, one end of the round rod 3 extends into the guide hole, an arc groove is formed at one side of the round rod 3, an arc block 403 is clamped in the arc groove, the arc block 403 is fixedly connected with the limiting plate 402, a square groove is formed in the square frame 401, a telescopic sleeve rod 404 is fixedly mounted at the bottom of the square groove, the free end of the telescopic sleeve rod 404 is fixedly connected with the limiting plate 402, a first spring 405 is sleeved on the outer side of the telescopic sleeve rod 404, one end of the first spring 405 is fixedly mounted in the square groove, the other end of the first spring 405 is fixedly connected with the limiting plate 402, when the circular rod 3 is used, the limiting plate 402 slides in the square frame 401, the arc block 403 is separated from the arc groove, the limiting effect on the round rod 3 is relieved, the breaker body 2 is then taken down, the telescopic sleeve rod 404 is contracted, the first spring 405 is contracted, and the limiting plate is made to be reset.

As shown in fig. 5 and 6, a guide rod 8 is fixedly installed at two sides of one end of the L-shaped protection plate 6, round holes are formed at two sides of one end of the square plate 5, one end of the guide rod 8 extends into the round holes, a second spring 9 is sleeved on the outer side of the guide rod 8, one end of the second spring 9 is fixedly connected with the L-shaped protection plate 6, the other end of the second spring 9 is fixedly connected with the square plate 5, a sliding groove is formed at one end of the square plate 5, a sliding plate 10 is slidably installed in the sliding groove, the sliding plate 10 is fixedly connected with the L-shaped protection plate 6, a magnet 11 is fixedly installed at the lower end of the L-shaped protection plate 6, and the magnets 11 are adsorbed, when the two L-shaped protection plates 6 are in contact, the second spring 9 is in a stretching state, when overhauling is performed, the L-shaped protection plate 6 is manually moved towards two sides, the L-shaped protection plate 6 automatically moves reversely under the action of the second spring 9 until the lower end of the L-shaped protection plate 6 contacts the square plate 5, after detection, the L-shaped protection plate 6 is manually moved, the magnets 11 are fixed through the magnets 11, and the attraction force generated by the second spring 9 is greater than the attraction force of the second spring 9.

When the circuit breaker is used, the limiting plate 402 is firstly pressed inwards, the round rod 3 is inserted into the square frame 401 and the guide holes of the limiting plate 402, the limiting plate 402 is loosened, the circuit breaker body 2 is fixed through the arc-shaped block 403, the limiting plate 402 is manually pressed to be taken down when maintenance or replacement is needed, other tools are not needed, the circuit breaker is convenient and quick, time and labor are saved, the practicability is high, the L-shaped protection plate 6 prevents dust from being attached to the circuit breaker body 2, normal use of the circuit breaker body 2 is affected, meanwhile, heat dissipation of the circuit breaker body 2 is not affected, the L-shaped protection plate 6 is manually moved to two sides when the circuit breaker body 2 is needed to be operated, the L-shaped protection plate 6 can automatically move reversely under the action of the second spring 9 and is fixed at one end of the square plate 5, and follow-up operation is not affected.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an electric circuit breaker of convenient dismouting, includes mounting bracket (1) and circuit breaker body (2), circuit breaker body (2) are installed on mounting bracket (1), its characterized in that: the utility model discloses a circuit breaker, including installation frame (1), fixed subassembly (4) are all installed to the one end both sides of installation frame (1), fixed subassembly (4) are all installed to circuit breaker body (2) upper end and lower extreme, the one end of round bar (3) is pegged graft the inside of fixed subassembly (4), the front end both sides fixed mounting of circuit breaker body (2) has square board (5), but L shape guard plate (6) of reciprocating are installed to symmetry between square board (5), square hole has been seted up to the one end of L shape guard plate (6), square downthehole fixed mounting has dustproof ventilative net (7).

2. The electrical circuit breaker of claim 1, wherein: the fixed component (4) comprises a square frame (401), the square frame (401) is fixedly installed on the circuit breaker body (2), a limiting plate (402) is installed inside the square frame (401) in a sliding mode, guide holes are formed in one ends of the square frame (401) and the limiting plate (402), and one end of the round rod (3) extends to the inside of the guide holes.

3. The electrical circuit breaker of claim 2, wherein: an arc groove is formed in one side of the round rod (3), an arc block (403) is clamped in the arc groove, and the arc block (403) is fixedly connected with the limiting plate (402).

4. An electrical circuit breaker according to claim 3, wherein: square groove has been seted up to the inside of square frame (401), the bottom fixed mounting in square groove has flexible loop bar (404), the free end of flexible loop bar (404) with limiting plate (402) looks fixed connection, first spring (405) have been cup jointed in the outside of flexible loop bar (404), the one end fixed mounting of first spring (405) is in the square groove, the other end of first spring (405) with limiting plate (402) looks fixed connection.

5. The electrical circuit breaker of claim 1, wherein: guide rods (8) are fixedly arranged on two sides of one end of the L-shaped protection plate (6), round holes are formed in two sides of one end of the square plate (5), one end of each guide rod (8) extends into each round hole, and a second spring (9) is sleeved on the outer side of each guide rod (8).

6. The electrical circuit breaker of claim 5, wherein: one end of the second spring (9) is fixedly connected with the L-shaped protection plate (6), and the other end of the second spring (9) is fixedly connected with the square plate (5).

7. The electrical circuit breaker of claim 1, wherein: the square board (5) one end has seted up the sliding tray, sliding tray slidable mounting has sliding tray (10), just sliding tray (10) with L shape guard plate (6) looks fixed connection.

8. The electrical circuit breaker of claim 1, wherein: the lower end of the L-shaped protection plate (6) is fixedly provided with magnets (11), and the magnets (11) are adsorbed.