CN220753334U

CN220753334U - Circuit breaker with butt-joint fixed insulating shell

Info

Publication number: CN220753334U
Application number: CN202322517195.4U
Authority: CN
Inventors: 李卫臣
Original assignee: Neller Electric Co ltd
Current assignee: Neller Electric Co ltd
Priority date: 2023-09-16
Filing date: 2023-09-16
Publication date: 2024-04-09
Anticipated expiration: 2033-09-16

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with a butt joint fixed insulating shell, which comprises a bottom box and a cover plate, wherein limiting plates are connected inwards at the peripheral edges of an opening of the bottom box; according to the utility model, the cover plate is aligned to the bottom box by forcibly pressing the plurality of butt joint clamping blocks, so that the cover plate can be quickly and stably fixed on the bottom box; secondly, a plurality of semicircular blocks, connecting rods and poking blocks are sequentially rotated by ninety degrees through the screw driver, so that the cover plate can be quickly detached from the bottom box.

Description

Circuit breaker with butt-joint fixed insulating shell

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with a butt joint fixed insulating shell.

Background

A circuit breaker (english name: circuit-breaker) refers to a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. Circuit breakers generally consist of a contact system, an arc extinguishing system, an operating mechanism, a trip, a housing, etc. The breaker shell is composed of a bottom box and a cover plate.

The general circuit breaker shell is by being through a plurality of screw fixed connection, perhaps through buckle fixed connection between end box and the apron, but screw fixed end box and apron need rotate screw installation process complex many times, buckle fixed connection's end box and apron dismouting difficulty. In view of this, we propose a circuit breaker with a butt-fixed insulating housing.

Disclosure of Invention

To remedy the above deficiencies, the present utility model provides a circuit breaker having a docking station type insulating housing.

The technical scheme of the utility model is as follows:

the circuit breaker with the butt joint fixed insulating shell comprises a bottom box and a cover plate, wherein limiting plates are connected inwards at the edges of the periphery of an opening of the bottom box;

the butt joint clamping blocks are arranged on the peripheral edges of the inner side of the cover plate, each butt joint clamping block consists of a fixed rod and a rotating rod, a thrust spring for pushing the rotating rod to outwards rotate and incline is arranged on one side of the head end of each fixed rod, when the cover plate faces to the opening of the bottom box, the head end of each rotating rod is pushed by the thrust spring to trend towards the limiting plate, and an inclined surface for guiding the rotating rod to be pressed into the inner side of the limiting plate is arranged on the inner side surface of each rotating rod;

and a stirring block is arranged between the tail end of the fixed rod and the tail end of the rotating rod, and when the stirring block rotates ninety degrees, the stirring block can push the fixed rod and the rotating rod to be parallel to each other.

Preferably, a connecting rod is arranged on one side of the poking block.

Preferably, a semicircular block is arranged at one end of the connecting rod, and a cross groove is formed in the semicircular block.

Preferably, the cover plate is provided with a plurality of perforations, and the connecting rod and the semicircular block are arranged in the perforations.

Preferably, a sticker for shielding a plurality of the perforations is arranged on the outer side of the cover plate.

Preferably, the cover plate is mounted on the bottom box, and the rotating rod is provided with a rotating shaft.

Preferably, the rotating shaft is mounted on the cover plate.

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

according to the utility model, the cover plate is aligned to the bottom box by forcibly pressing the plurality of butt joint clamping blocks, so that the cover plate can be quickly and stably fixed on the bottom box; secondly, a plurality of semicircular blocks, connecting rods and poking blocks are sequentially rotated by ninety degrees through the screw driver, so that the cover plate can be quickly detached from the bottom box.

Drawings

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

FIG. 2 is a schematic view of an exploded construction of the present utility model;

FIG. 3 is a schematic view of the bottom case of the present utility model;

fig. 4 is a schematic view of a docking block according to the present utility model.

In the figure:

1. a bottom box;

2. a cover plate;

3. sticking paper;

4. butting clamping blocks; 41. a fixed rod; 42. a thrust spring; 43. a rotating rod; 44. an inclined plane; 45. a rotating shaft; 46. a semicircle block; 47. a connecting rod; 48. a poking block;

5. and a limiting plate.

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.

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.

Referring to fig. 1-4, the present utility model is described in detail by the following embodiments:

the circuit breaker with fixed insulating housing of butt joint, including end box 1, end box 1 open-ended all around edge inwards all fixedly connected with limiting plate 5, end box 1's front side opening part fixed mounting has apron 2, is equipped with a plurality of perforation on the apron 2, and the outside fixed mounting of apron 2 has the sticker 3 that is used for shielding a plurality of perforation, and sticker 3 is used for hiding a plurality of perforation, prevents semicircle piece 46 in the perforation of arbitrary rotation of user.

In this embodiment, the butt-joint fixture block 4 is all installed on the edge around the inboard of apron 2, butt-joint fixture block 4 and limiting plate 5 correspond each other, butt-joint fixture block 4 comprises dead lever 41 and bull stick 43, dead lever 41 fixed mounting is in the inboard of apron 2, fixed mounting has pivot 45 on the bull stick 43, pivot 45 rotates and installs on apron 2, be equipped with the thrust spring 42 that is used for promoting bull stick 43 outwards rotation slope when dead lever 41's head end one side for bull stick 43's end supports at dead lever 41's end, dead lever 41 is used for restricting the angular range of bull stick 43 rotation slope, when dead lever 41 and bull stick 43 are parallel to each other, bull stick 43 is located limiting plate 5 inboard entirely, the length of pivot 45 and limiting plate 5 thickness are the same.

In this embodiment, when the cover plate 2 faces the opening of the bottom case 1, the head end of the rotating rod 43 is pushed by the thrust spring 42 to lean against the limiting plate 5, an inclined surface 44 for guiding the rotating rod 43 to press into the inner side of the limiting plate 5 is arranged on the inner side surface of the rotating rod 43, a stirring block 48 is rotatably installed between the tail end of the fixed rod 41 and the tail end of the rotating rod 43, when the stirring block 48 rotates ninety degrees, the stirring block 48 can push the fixed rod 41 and the rotating rod 43 to be parallel to each other, a connecting rod 47 is fixedly installed on one side of the stirring block 48, and the head end of the stirring block 48 is located on a round mandrel of the connecting rod 47.

In this embodiment, a semicircular block 46 is fixedly mounted at one end of the connecting rod 47, a cross groove is formed in the semicircular block 46, the cross groove is matched with a tool bit of the screwdriver, and the connecting rod 47 and the semicircular block 46 are rotatably mounted in the through hole.

In this embodiment, when the cover plate 2 is butt-jointed and fixedly mounted on the bottom box 1, the cover plate 2 is aligned with the bottom box 1 first, i.e. the plurality of butt-joint clamping blocks 4 are aligned with the limiting plates 5, then the butt-joint clamping blocks 4 are forced to move towards the bottom box 1, the inclined surface 44 on the rotating rod 43 in the butt-joint clamping blocks 4 can guide the rotating rod 43 to rotate and move, so that the plurality of rotating rod 43 is completely located inside the plurality of limiting plates 5 until the rotating rod 43 exceeds the limiting plates 5, the rotating rod 43 can be pushed by the thrust spring 42 to be close to the limiting plates 5, the limiting plates 2 cannot move outwards, the length of the rotating shaft 45 is the same as the thickness of the limiting plates 5, so that the bottom box 1 and the cover plate 2 are stably attached together, the plurality of butt-joint clamping blocks 4 enable the cover plate 2 to be fast and stably fixed on the bottom box 1, when the cover plate 2 and the bottom box 1 are detached, the adhesive paper 3 is uncovered or a through a screwdriver bit is sequentially inserted into a cross groove in the plurality of semicircular blocks 46, and a rotating block 48 is rotated by a connecting rod ninety degrees, the rotating block 48 is pushed by the rotating block 48, the rotating block 41 is pushed by the rotating block 43, the rotating block 43 is parallel to the fixed rod 5, and the rotating block 48 is located on the bottom box 1 in the bottom in the order, and the bottom box 1 is rotatable.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Circuit breaker with dock fixed insulating housing, including end box (1) and apron (2), its characterized in that: limiting plates (5) are connected inwards at the edges of the periphery of the opening of the bottom box (1);

the butt joint clamping blocks (4) are arranged on the peripheral edges of the inner side of the cover plate (2), the butt joint clamping blocks (4) are composed of fixed rods (41) and rotating rods (43), a thrust spring (42) used for pushing the rotating rods (43) to outwards rotate and incline is arranged on one side of the head end of each fixed rod (41), when the cover plate (2) faces to an opening of the bottom box (1), the head end of each rotating rod (43) is pushed by the corresponding thrust spring (42) to tend to the corresponding limiting plate (5), and an inclined surface (44) used for guiding the corresponding rotating rod (43) to be pressed into the inner side of the corresponding limiting plate (5) is arranged on the inner side surface of each rotating rod (43);

a stirring block (48) is arranged between the tail end of the fixed rod (41) and the tail end of the rotating rod (43), and when the stirring block (48) rotates ninety degrees, the stirring block (48) can push the fixed rod (41) and the rotating rod (43) to be parallel to each other.

2. The circuit breaker with a docking station-type insulating housing of claim 1, wherein: one side of the poking block (48) is provided with a connecting rod (47).

3. The circuit breaker with a docking station-type insulating housing of claim 2, wherein: one end of the connecting rod (47) is provided with a semicircular block (46), and the semicircular block (46) is provided with a cross groove.

4. A circuit breaker having a docking station-type insulating housing as recited in claim 3 wherein: the cover plate (2) is provided with a plurality of perforations, and the connecting rod (47) and the semicircular block (46) are arranged in the perforations.

5. The circuit breaker with a docking station-type insulating housing of claim 4, wherein: the outside of the cover plate (2) is provided with a sticker (3) used for shielding a plurality of the perforations.

6. The circuit breaker with a docking station-type insulating housing of claim 1, wherein: the cover plate (2) is arranged on the bottom box (1), and the rotating rod (43) is provided with a rotating shaft (45).

7. The circuit breaker with a docking station-type insulating housing of claim 6, wherein: the rotating shaft (45) is arranged on the cover plate (2).