CN219476593U

CN219476593U - Circuit breaker protector

Info

Publication number: CN219476593U
Application number: CN202320705457.7U
Authority: CN
Inventors: 陶兴文
Original assignee: Yunnan Qinyan Electric Power Technology Co ltd
Current assignee: Yunnan Qinyan Electric Power Technology Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-04
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a circuit breaker protection device which comprises a circuit breaker body, wherein an operation end shell is arranged on the circuit breaker body, an operation hole is formed in the surface of the operation end shell, a switch is movably arranged in the operation hole, a protection assembly is arranged on the inner wall of the operation hole, an upper shielding piece on the protection assembly is movably arranged on the upper side of the switch, and a lower shielding piece on the protection assembly is movably arranged on the lower side of the switch. According to the circuit breaker protection device, when the circuit breaker body is in a closed and open state, the upper shielding sheet and the lower shielding sheet can cover the operation hole, and meanwhile, a large amount of external dust is prevented from entering the circuit breaker body through the operation hole, so that the circuit breaker body is prevented from being dust-proof; the mode that covers the operation hole through two sets of shielding sheets can carry out dustproof work to the circuit breaker body, can not influence whole device simultaneously and dispel the heat.

Description

Circuit breaker protector

Technical Field

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

Background

The circuit breaker is a switching device which can switch on and off the current under the normal loop condition, can switch on and off the current under the abnormal loop condition in a specified time, can be used for distributing electric energy, does not frequently start an asynchronous motor, protects a power supply circuit, the motor and the like, can automatically cut off the circuit when serious overload or short circuit, undervoltage and other faults occur, realizes better protection, is easy to accumulate dust when the circuit breaker is used, and generally needs to use a dust-proof device when the circuit breaker is dustproof.

The existing dustproof device has the following defects when being matched with the circuit breaker, and when the existing dustproof device is used, the adopted dustproof device is mainly provided with a dustproof cover made of glass, and the dustproof cover made of glass is directly covered on the circuit breaker, so that the dustproof effect of the glass is good, but the ventilation and heat dissipation of the circuit breaker are hindered.

Disclosure of Invention

The present utility model is directed to a circuit breaker protection device, which solves the above-mentioned drawbacks of the prior art.

In order to achieve the above-mentioned purpose, provide a circuit breaker protector, including the circuit breaker body, install the operation end casing on the circuit breaker body, and the operation hole has been seted up on the surface of operation end casing, the inside movable mounting in operation hole has the switch simultaneously, install the protection component on the inner wall of operation hole, and the upside on the protection component shelters from piece movable mounting in the upside of switch, and the downside on the protection component shelters from piece movable mounting in the downside of switch simultaneously.

Preferably, the protection component comprises a limiting seat, a connecting seat, an upper shielding sheet and a lower shielding sheet, and the upper surface of the switch and the middle part of the lower surface are provided with mounting grooves.

Preferably, the upper shielding sheet and the lower shielding sheet have the same composition structure, and the upper shielding sheet and the lower shielding sheet are rectangular structures made of acrylic materials.

Preferably, the upper end of the upper shielding sheet and the lower end of the lower shielding sheet are hinged with a connecting seat through a pin shaft, and one end of the connecting seat, which is far away from the shielding sheet, is welded and fixed with the limiting seat.

Preferably, the upper side and the lower side of the right side inner wall of the operating end shell are provided with limiting grooves, the limiting grooves are matched with the limiting seats in size, and meanwhile, the limiting seats are arranged in the limiting grooves in a sliding mode.

Preferably, the switch is lifted and lowered inside the operation hole to block the operation hole through the upper shielding piece and the lower shielding piece.

Compared with the prior art, the utility model has the beneficial effects that:

when the breaker body is in a closed and open state, the upper shielding sheet and the lower shielding sheet can cover the operation hole, and meanwhile, a large amount of external dust is prevented from entering the breaker body through the operation hole, so that the breaker body is prevented from dust; the mode that covers the operation hole through two sets of shielding sheets can carry out dustproof work to the circuit breaker body, can not influence whole device simultaneously and dispel the heat.

Drawings

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

FIG. 2 is a front view of the operating end housing of the present utility model;

FIG. 3 is a schematic view of a structural shield assembly of the present utility model;

FIG. 4 is a schematic view of the mounting structure of the structure limiting seat, the connecting seat and the upper shielding plate of the utility model;

FIG. 5 is an enlarged schematic view of the operating end housing of FIG. 1 in accordance with the present utility model;

FIG. 6 is a schematic view of the upward movement of the switch of FIG. 5 in accordance with the present utility model;

fig. 7 is a schematic diagram of a switch according to the present utility model.

Reference numerals in the drawings: 1. a circuit breaker body; 2. an operation end housing; 3. a switch; 4. a protective assembly; 41. a limit groove; 42. a limit seat; 43. a connecting seat; 44. an upper shielding sheet; 45. a mounting groove; 46. a lower shielding sheet; 5. an operation hole.

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. 1-7, the present utility model provides a circuit breaker protection device, which comprises a circuit breaker body 1, wherein an operation end housing 2 is installed on the circuit breaker body 1, an operation hole 5 is provided on the surface of the operation end housing 2, a switch 3 is movably installed inside the operation hole 5, a protection component 4 is installed on the inner wall of the operation hole 5, an upper shielding piece 44 on the protection component 4 is movably installed on the upper side of the switch 3, and a lower shielding piece 46 on the protection component 4 is movably installed on the lower side of the switch 3.

Working principle: when the breaker body 1 is in a normal working state, the upper shielding piece 44 and the lower shielding piece 46 cover the operation hole 5, so that a large amount of dust outside can be prevented from entering the breaker body 1 through the operation hole 5, and the breaker body 1 is prevented from dust;

when the breaker body 1 is in a closed state, the upper shielding sheet 44 and the lower shielding sheet 46 can also cover the operation hole 5, so that a large amount of dust outside is prevented from entering the breaker body 1 through the operation hole 5, the breaker body 1 is subjected to dust-proof operation, the operation hole 5 is covered by two groups of shielding sheets, the breaker body 1 can be subjected to dust-proof operation, and the whole device is not influenced to dissipate heat.

As a preferred embodiment, the protection component 4 includes a limiting seat 42, a connecting seat 43, an upper shielding piece 44 and a lower shielding piece 46, and the middle parts of the upper surface and the lower surface of the switch 3 are provided with mounting grooves 45.

As shown in fig. 1-4: the mounting grooves 45 are formed in the middle of the upper surface and the lower surface of the switch 3, and the upper shielding sheet 44 and the lower shielding sheet 46 can be hinged through the two groups of mounting grooves 45 on the switch 3, so that the upper shielding sheet 44 and the lower shielding sheet 46 which are hinged on the switch 3 cannot interfere with movement when the switch moves up and down.

In a preferred embodiment, the upper shielding sheet 44 and the lower shielding sheet 46 have identical composition, and the upper shielding sheet 44 and the lower shielding sheet 46 have rectangular structures made of acrylic materials.

As shown in fig. 3: the arrangement of the upper shielding sheet 44 and the lower shielding sheet 46 can cover the operation hole 5, so that the outside air can strike on the upper shielding sheet 44 and the lower shielding sheet 46, a large amount of dust can adhere to the upper shielding sheet 44 and the lower shielding sheet 46, and the inside of the breaker body 1 can be prevented from dust.

As a preferred embodiment, the upper end of the upper shielding plate 44 and the lower end of the lower shielding plate 46 are hinged with a connecting seat 43 through a pin, and one end of the connecting seat 43 away from the shielding plate is welded and fixed with a limiting seat 42.

As shown in fig. 1-2: the upper shielding sheet 44 and the lower shielding sheet 46 are driven by the switch 3 to move up and down, so that the switch 3 can drive the upper shielding sheet 44 and the lower shielding sheet 46 to monitor the operation hole 5 in real time when moving up or down.

As a preferred embodiment, the upper and lower sides of the right inner wall of the operating end housing 2 are provided with the limiting grooves 41, the limiting grooves 41 are matched with the limiting seats 42 in size, and the limiting seats 42 are slidably disposed in the limiting grooves 41.

As shown in fig. 1-4: when the upper shielding piece 44 and the lower shielding piece 46 are driven to lift by the switch 3, the limiting seat 42 welded on the connecting seat 43 at the end part of the upper shielding piece and the lower shielding piece 46 are slidably arranged in the limiting groove 41, so that the upper shielding piece 44 and the lower shielding piece 46 which move up and down can be limited and guided, and the upper shielding piece 44 and the lower shielding piece 46 are prevented from being separated from the inner wall of the operating end shell 2 when being lifted.

In a preferred embodiment, the switch 3 is lifted and lowered inside the operation hole 5, and the operation hole 5 is blocked by the upper blocking piece 44 and the lower blocking piece 46.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit breaker protector, includes circuit breaker body (1), installs on circuit breaker body (1) and operates end casing (2), and operation hole (5) have been seted up on the surface of operation end casing (2), and the inside movable mounting in operation hole (5) has switch (3), its characterized in that simultaneously: the inner wall of the operation hole (5) is provided with a protection component (4), an upper shielding sheet (44) on the protection component (4) is movably arranged on the upper side of the switch (3), and a lower shielding sheet (46) on the protection component (4) is movably arranged on the lower side of the switch (3).

2. The circuit breaker protective device of claim 1, wherein: the protection component (4) comprises a limiting seat (42), a connecting seat (43), an upper shielding sheet (44) and a lower shielding sheet (46), and mounting grooves (45) are formed in the middle of the upper surface and the lower surface of the switch (3).

3. The circuit breaker protective device of claim 1, wherein: the upper shielding sheet (44) and the lower shielding sheet (46) have the same composition structure, and the upper shielding sheet (44) and the lower shielding sheet (46) are rectangular structures made of acrylic materials.

4. A circuit breaker protective apparatus according to claim 3, wherein: the upper end of the upper shielding sheet (44) and the lower end of the lower shielding sheet (46) are hinged with a connecting seat (43) through a pin shaft, and one end, far away from the shielding sheet, of the connecting seat (43) is welded and fixed with a limiting seat (42).

5. The circuit breaker protective device of claim 1, wherein: limiting grooves (41) are formed in the upper side and the lower side of the right side inner wall of the operating end shell (2), the limiting grooves (41) are matched with the limiting seats (42) in size, and the limiting seats (42) are arranged in the limiting grooves (41) in a sliding mode.

6. The circuit breaker protective device of claim 5, wherein: the switch (3) is lifted in the operation hole (5) and blocks the operation hole (5) through the upper shielding sheet (44) and the lower shielding sheet (46).