CN220509886U - Air-blowing tripping mechanism of molded case circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of plastic shell circuit breakers, in particular to a plastic shell circuit breaker air-blowing tripping mechanism which comprises a plastic shell circuit breaker rear seat, wherein an electric brake push is arranged in the middle of the front surface of the plastic shell circuit breaker rear seat, trippers are arranged on the left side and the right side of the inside of the plastic shell circuit breaker rear seat, a plastic shell circuit breaker front cover is arranged on the front side of the plastic shell circuit breaker rear seat, a brake hole is formed in the middle of the front surface of the plastic shell circuit breaker front cover, radiating holes are symmetrically arranged on the front surface of the plastic shell circuit breaker front cover in a left-right mode, a dustproof net is arranged in the radiating holes, the front side of the dustproof net is provided with a waterproof and breathable film, the arranged radiating holes can radiate heat of the trippers arranged in the plastic shell circuit breaker rear seat, and the arranged dustproof net and waterproof and breathable film can play the roles of dust prevention and water prevention at the same time of heat radiation, so that the dustproof and waterproof purposes of the plastic shell circuit breaker can be better.

Description

Air-blowing tripping mechanism of molded case circuit breaker

Technical Field

The utility model relates to the technical field of molded case circuit breakers, in particular to an air-blowing tripping mechanism of a molded case circuit breaker.

Background

The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic case refers to a plastic insulator used as a casing of the device for isolating conductors and grounding metal parts, a plastic case circuit breaker generally contains a thermo-magnetic trip unit, and a large-sized plastic case circuit breaker is equipped with a solid trip sensor, wherein the trip unit is divided into: the existing molded case circuit breaker can not dissipate heat of the tripping mechanism, and the fixing effect of the tripping mechanism is poor after the tripping mechanism is mounted on the molded case circuit breaker.

There is a need for a molded case circuit breaker air-blow trip mechanism that ameliorates the above-described problems.

Disclosure of Invention

The utility model aims to provide an air-blowing tripping mechanism of a molded case circuit breaker, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a mould shell circuit breaker air-blowing tripping device, includes mould shell circuit breaker backseat, the front middle department of mould shell circuit breaker backseat installs the electric brake and pushes away, the release is installed to the inside left and right sides of mould shell circuit breaker backseat, mould shell circuit breaker protecgulum is installed to the front side of mould shell circuit breaker backseat, the brake hole has been seted up to the front middle department of mould shell circuit breaker protecgulum, the front bilateral symmetry of mould shell circuit breaker protecgulum is provided with the louvre, the internally mounted of louvre has the dust screen, the front side of dust screen is provided with waterproof ventilated membrane, the left and right sides symmetry of mould shell circuit breaker backseat is provided with the limiting plate, the outside of limiting plate is provided with the spring, the inserted bar has been cup jointed on the surface of limiting plate, the jack has been seted up to the outside of release up to the symmetry from top to bottom, the outer end of inserted bar is provided with the planking.

As a preferable scheme of the utility model, the front cover of the molded case circuit breaker is detachably connected with the rear seat of the molded case circuit breaker through screws.

As a preferable scheme of the utility model, the connection structure of the release and the rear seat of the molded case circuit breaker is a clamping connection.

In a preferred embodiment of the present utility model, the waterproof breathable film and the dust screen are bonded.

In a preferred embodiment of the present utility model, the dustproof mesh, the waterproof breathable film and the heat dissipation holes are bonded.

As a preferable scheme of the utility model, the inserted link penetrates through the limiting plate and is connected with the jack, the connection mode of the inserted link and the limiting plate is sliding connection, and the connection structure of the inserted link and the jack is plug connection.

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

1. according to the utility model, the release arranged in the rear seat of the molded case circuit breaker can be radiated through the radiating holes arranged in the air-blowing release mechanism of the molded case circuit breaker, and the dustproof net and the waterproof breathable film can radiate heat and simultaneously play the roles of dust prevention and water prevention, so that the purposes of heat radiation, dust prevention and water prevention of the molded case circuit breaker are better.

2. According to the utility model, the release can be conveniently fixed after being mounted on the rear seat of the molded case circuit breaker through the limiting plate, the spring, the inserted link, the inserting hole and the outer plate which are arranged in the molded case circuit breaker air-blowing release mechanism, so that the release and the molded case circuit breaker rear seat are more stably mounted.

Drawings

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

fig. 2 is a schematic view of the appearance structure of the front cover of the molded case circuit breaker of the utility model;

FIG. 3 is an enlarged schematic view of the structure A of the present utility model.

In the figure: 1. a molded case circuit breaker rear seat; 2. pushing an electric brake; 3. a trip; 4. a plastic case breaker front cover; 5. a gate hole; 6. a heat radiation hole; 7. a dust screen; 8. a waterproof breathable film; 9. a limiting plate; 10. a spring; 11. a rod; 12. a jack; 13. an outer plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a moulded case circuit breaker air-blowing tripping device, including moulded case circuit breaker backseat 1, moulded case circuit breaker backseat 1 front middle department installs electric brake push 2, moulded case circuit breaker backseat 1 inside left and right sides installs release 3, moulded case circuit breaker protecgulum 4 is installed to moulded case circuit breaker backseat 1's front side, moulded case circuit breaker protecgulum 4 front middle department has seted up floodgate hole 5, moulded case circuit breaker protecgulum 4's front bilateral symmetry is provided with louvre 6, the internally mounted of louvre 6 has dust screen 7, dust screen 7's front side is provided with waterproof ventilated membrane 8, moulded case circuit breaker backseat 1's left and right sides bilateral symmetry is provided with limiting plate 9, the outside of limiting plate 9 is provided with spring 10, inserted bar 11 has been cup jointed on the surface of limiting plate 9, jack 12 has been seted up to the outside upper and lower symmetry of release 3, the outer end of inserted bar 11 is provided with planking 13.

In this embodiment, moulded case circuit breaker protecgulum 4 is detachable connection through screw and moulded case circuit breaker backseat 1, the connection structure of release 3 and moulded case circuit breaker backseat 1 is the joint, waterproof ventilated membrane 8 is the bonding with the connected mode of dust screen 7, waterproof ventilated membrane 8 and louvre 6 is the bonding, inserted bar 11 runs through limiting plate 9 and jack 12 is connected, and the connected mode of inserted bar 11 and limiting plate 9 is sliding connection, and the connected structure of inserted bar 11 and jack 12 is the plug and is connected, the louvre 6 of setting can dispel the heat to the release 3 of installing in moulded case circuit breaker backseat 1, and the dust screen 7 of setting, waterproof ventilated membrane 8 can play dustproof, waterproof purpose in the heat dissipation, thereby can make moulded case circuit breaker's heat dissipation, dustproof, waterproof purpose better, limiting plate 9 of setting, spring 10, inserted bar 11, jack 12, planking 13 can make things convenient for release 3 to install behind moulded case circuit breaker backseat 1, to release 3 and make the release 3 to carry out fixed mounting to the release 1 more stable.

The working flow of the utility model is as follows: when using moulded case circuit breaker air-blowing tripping device, firstly install the release 3 in moulded case circuit breaker backseat 1's inside, then through planking 13 with spring 10, the outside pulling of inserted bar 11, wait to the position back of inserted bar 11 arrival jack 12, loosen planking 13, spring 10 can rebound and insert in jack 12 this moment, thereby accomplish the fixed to release 3 and moulded case circuit breaker backseat 1, then cover moulded case circuit breaker protecgulum 4 on moulded case circuit breaker backseat 1, then screw up can, when needing the heat dissipation, the heat that release 3 produced just can follow louvre 6, outside dust and water just can be dispelled the heat by dust screen 7, waterproof ventilated membrane 8 separation outside the shell, the louvre 6 of setting can be to the release 3 of installing in moulded case circuit breaker backseat 1, and the dust screen 7 of setting, waterproof ventilated membrane 8 can play, waterproof purpose when the heat dissipation, thereby can make moulded case circuit breaker, the heat dissipation board that release 3, waterproof board 9, the release is better, the release is installed to release 3, the purpose is more stable, release 1 can be carried out to release 3, the release 1, the release is convenient for setting up to release 3, the release 1.

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 (6)

1. The utility model provides a moulded case circuit breaker air blast tripping device, includes moulded case circuit breaker backseat (1), its characterized in that: the utility model discloses a circuit breaker, including moulded case circuit breaker back seat (1), moulded case circuit breaker back seat (1) openly middle department installs electric brake push (2), release (3) are installed to moulded case circuit breaker back seat (1) inside left and right sides, moulded case circuit breaker protecgulum (4) are installed to moulded case circuit breaker back seat (1) front side, gate hole (5) have been seted up in the front middle department of moulded case circuit breaker protecgulum (4), the front bilateral symmetry of moulded case circuit breaker protecgulum (4) is provided with louvre (6), internally mounted of louvre (6) has dust screen (7), the front side of dust screen (7) is provided with waterproof ventilated membrane (8), the outside of moulded case circuit breaker back seat (1) is provided with limiting plate (9) in the bilateral symmetry from top to bottom, the outside of limiting plate (9) is provided with spring (10), the surface of limiting plate (9) cup joints inserted bar (11), jack (12) have outside (13) of the outside of releasing device (3).

2. The molded case circuit breaker air-blowing tripping mechanism according to claim 1, wherein: the plastic shell circuit breaker front cover (4) is detachably connected with the plastic shell circuit breaker rear seat (1) through screws.

3. The molded case circuit breaker air-blowing tripping mechanism according to claim 1, wherein: the connecting structure of the release (3) and the molded case circuit breaker rear seat (1) is a clamping connection.

4. The molded case circuit breaker air-blowing tripping mechanism according to claim 1, wherein: the waterproof breathable film (8) and the dustproof net (7) are connected in an adhesive mode.

5. The molded case circuit breaker air-blowing tripping mechanism according to claim 1, wherein: the dustproof net (7), the waterproof breathable film (8) and the radiating holes (6) are connected in an adhesive mode.

6. The molded case circuit breaker air-blowing tripping mechanism according to claim 1, wherein: the inserting rod (11) penetrates through the limiting plate (9) to be connected with the jack (12), the connecting mode of the inserting rod (11) and the limiting plate (9) is sliding connection, and the connecting structure of the inserting rod (11) and the jack (12) is plug-in connection.