CN220569621U

CN220569621U - Circuit breaker

Info

Publication number: CN220569621U
Application number: CN202322289058.XU
Authority: CN
Inventors: 余永利; 余小利; 程福涛; 赵素丽
Original assignee: Zhejiang Jianshen Electrical Appliance Co ltd
Current assignee: Zhejiang Jianshen Electrical Appliance Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-08
Anticipated expiration: 2033-08-24

Abstract

The utility model belongs to the technical field of circuit breakers, and particularly relates to a circuit breaker, which comprises: the power distribution box is internally provided with a breaker body, and one side of the inside of the power distribution box is fixedly provided with a mounting sleeve; the two mounting grooves are respectively formed in two sides of the mounting sleeve, the two mounting grooves are oppositely formed in two sides of the mounting sleeve, the two mounting grooves are respectively provided with an inner groove, the supporting columns are only required to be aligned with the positions of the mounting grooves, the sleeve blocks are sleeved in the mounting sleeve, the breaker body is rotated after the sleeve blocks are sleeved in the mounting sleeve, the supporting columns are moved into the inner grooves, the rotating shaft drives the first bevel gear to rotate, the screw rod is driven to rotate through the second bevel gear when the first bevel gear rotates, the thread sleeve can drive the limiting plate to move when the screw rod rotates, the limiting plate is in contact with the sleeve blocks, the positions of the sleeve blocks are limited, and the supporting columns are limited in the limiting inner grooves at the moment, so that the breaker body is prevented from falling off when being mounted.

Description

Circuit breaker

Technical Field

The utility model belongs to the technical field of circuit breakers, and particularly relates to a circuit breaker.

Background

A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, and the division of a high-voltage boundary line and a low-voltage boundary line is fuzzy, and is generally called as a high-voltage electrical appliance with the voltage of more than 3 kV. The circuit breaker can be used for distributing electric energy, starting the asynchronous motor infrequently, protecting a power line, the motor and the like, and automatically cutting off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an over-under-heating relay and the like. And the parts are not required to be changed after breaking the fault current. A wide range of applications have been achieved. In the process of electricity generation, transportation and use, power distribution is an extremely important link. The distribution system comprises a transformer and various high-low voltage electrical equipment, and a low-voltage circuit breaker is an electrical appliance with wide application range.

When the existing circuit breaker is installed and fixed, most of the circuit breaker is directly fixed on the joint surface through bolts, although the stability is strong, the circuit breaker is extremely inconvenient to disassemble and maintain, and the connection point is loosened due to repeated disassembly, meanwhile, the circuit breaker is extremely easy to fall off, unnecessary economic loss is caused, the safety of the circuit breaker is greatly reduced, and in view of the fact, the circuit breaker is provided.

Disclosure of Invention

The present utility model is directed to a circuit breaker, which solves the above-mentioned problems.

In view of this, the present utility model provides a circuit breaker comprising:

the power distribution box is internally provided with a breaker body, and one side of the inside of the power distribution box is fixedly provided with a mounting sleeve;

the two mounting grooves are respectively formed on two sides of the mounting sleeve, are oppositely arranged on two sides of the mounting sleeve, and are provided with inner grooves;

the sleeve block is fixedly arranged on one side of the breaker body, the sleeve block is movably sleeved in the mounting sleeve, support columns are fixedly arranged on two sides of the sleeve block, and the two support columns are respectively arranged in the two inner grooves;

the limiting plate is connected in the mounting sleeve in a sliding manner, and one side of the limiting plate abuts against one side of the sleeve block;

the adjusting component is arranged on the mounting sleeve and used for driving the limiting plate to move.

In the above technical scheme, further, the adjusting part includes the spout, the spout is seted up on the installation sleeve pipe, the spout internal rotation is connected with the lead screw, threaded connection has the thread bush on the lead screw, thread bush and spout sliding connection, the bottom and the limiting plate fixed connection of thread bush.

In the above technical scheme, further, the adjusting part still includes the side groove, the side groove is seted up in one side of block terminal, the one end setting of lead screw is in the side groove, the one end fixed mounting that the lead screw is located the side inslot has the second bevel gear, the side inslot internal rotation is connected with the pivot, the bottom fixed mounting of pivot has first bevel gear, first bevel gear meshes with the second bevel gear mutually.

In the above technical scheme, further, the top fixed mounting of pivot has the carousel, a plurality of second trepanning have been seted up on the carousel, a plurality of first trepanning have been seted up to the top surface of block terminal, one of them first trepanning has cup jointed same bolt with the activity in one of them second trepanning.

In the above technical scheme, further, the mounting groove is of an L-shaped structure, and the support column is in sliding fit with the mounting groove.

In the above technical scheme, further, the installation sleeve and the sleeve block are made of plastic materials.

The beneficial effects of the utility model are as follows:

1. this circuit breaker, when installing the circuit breaker body, only need with support column and mounting groove position alignment, cup joint the cover piece in the installation sleeve pipe, it is intraductal at the installation sleeve to rotate the circuit breaker body after the cover piece cup joints, remove the support column to in the inside groove, it rotates first bevel gear to rotate the pivot, drive the lead screw through the second bevel gear and rotate when first bevel gear rotates, the thread bush can drive the limiting plate and remove when the lead screw rotates, after limiting plate and cover piece contact, carry out spacingly with the position of cover piece, the support column will be by spacing inside groove this moment, thereby drop when avoiding circuit breaker body installation.

2. This circuit breaker, offset at limiting plate and cover piece back, cup joint the bolt in second trepanning and the first trepanning that correspond, can carry out spacingly to the pivot this moment, avoid the pivot to rotate and lead to the limiting plate to remove to stability when further having strengthened the installation circuit breaker body, this kind of mounting means need not to use other instruments, and the installation is convenient, easy operation, and is comparatively practical.

Drawings

FIGS. 1 and 2 are schematic perspective views of the present utility model;

FIG. 3 is a schematic view of the structure of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic cross-sectional view of the power distribution box of the present utility model;

fig. 5 is a schematic view of the mounting sleeve structure of the present utility model.

The label in the figure is:

1. a distribution box; 2. a circuit breaker body; 3. installing a sleeve; 4. sleeving blocks; 5. a mounting groove; 6. an inner tank; 7. a support column; 8. a limiting plate; 9. a chute; 10. a screw rod; 11. a thread sleeve; 12. a side groove; 13. a rotating shaft; 14. a first bevel gear; 15. a second bevel gear; 16. a first sleeve hole; 17. a plug pin; 18. a turntable; 19. and a second set of holes.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

referring to fig. 1-5, the present embodiment provides a circuit breaker.

Comprising the following steps:

the power distribution box 1 is internally provided with a breaker body 2, and one side of the inside of the power distribution box 1 is fixedly provided with a mounting sleeve 3; the two mounting grooves 5 are respectively formed on two sides of the mounting sleeve 3, the two mounting grooves 5 are oppositely formed on two sides of the mounting sleeve 3, and the two mounting grooves 5 are provided with inner grooves 6; the sleeve block 4 is fixedly arranged on one side of the breaker body 2, the sleeve block 4 is movably sleeved in the mounting sleeve 3, support columns 7 are fixedly arranged on two sides of the sleeve block 4, and the two support columns 7 are respectively arranged in the two inner grooves 6; the limiting plate 8 is connected in the mounting sleeve 3 in a sliding manner, and one side of the limiting plate 8 abuts against one side of the sleeve block 4; the adjusting component is arranged on the mounting sleeve 3 and is used for driving the limiting plate 8 to move, when the circuit breaker body 2 is mounted, the supporting column 7 is only required to be aligned with the mounting groove 5, the sleeve block 4 is sleeved in the mounting sleeve 3, the circuit breaker body 2 is rotated after the sleeve block 4 is sleeved in the mounting sleeve 3, the supporting column 7 is moved into the inner groove 6, the limiting plate 8 is driven to move through the adjusting component, after the limiting plate 8 is contacted with the sleeve block 4, the position of the sleeve block 4 is limited, and at the moment, the supporting column 7 is limited in the limiting inner groove 6, so that the circuit breaker body 2 is prevented from falling off during mounting.

Wherein, adjusting part includes spout 9, spout 9 sets up on installation sleeve 3, spout 9 internal rotation is connected with lead screw 10, threaded connection has thread bush 11 on the lead screw 10, thread bush 11 and spout 9 sliding connection, the bottom and the limiting plate 8 fixed connection of thread bush 11, thread bush 11 can drive limiting plate 8 and remove when lead screw 10 rotates, after limiting plate 8 and cover piece 4 contact, carry out spacing with the position of cover piece 4, support column 7 will be by spacing inside groove 6 this moment, thereby drop when avoiding circuit breaker body 2 to install.

Wherein, the adjusting part still includes side groove 12, and one side at block terminal 1 is offered in side groove 12 to side groove 12, and the one end setting of lead screw 10 is in side groove 12, and the one end fixed mounting that lead screw 10 is located side groove 12 has second bevel gear 15, and side groove 12 internal rotation is connected with pivot 13, and the bottom fixed mounting of pivot 13 has first bevel gear 14, and first bevel gear 14 meshes with second bevel gear 15, rotates pivot 13 and drives first bevel gear 14 rotation, drives lead screw 10 through second bevel gear 15 when first bevel gear 14 rotates.

Example 2:

the present embodiment provides a circuit breaker having the following technical features in addition to the technical scheme including the above embodiments.

The top end of the rotating shaft 13 is fixedly provided with a rotating disc 18, a plurality of second sleeve holes 19 are formed in the rotating disc 18, a plurality of first sleeve holes 16 are formed in the top surface of the distribution box 1, one of the first sleeve holes 16 is movably sleeved with the same bolt 17 in one of the second sleeve holes 19, after the limiting plate 8 is propped against the sleeve block 4, the bolt 17 is sleeved in the corresponding second sleeve hole 19 and the first sleeve hole 16, at the moment, the rotating shaft 13 can be limited, the movement of the limiting plate 8 caused by the rotation of the rotating shaft 13 is avoided, and therefore the stability of the circuit breaker body 2 is further enhanced.

Example 3:

Wherein, mounting groove 5 is L type structure, support column 7 and mounting groove 5 sliding fit.

Wherein, the installation sleeve 3 and the sleeve block 4 are made of plastic materials, most plastics have strong corrosion resistance, do not react with acid and alkali, have low manufacturing cost, are durable, waterproof and light, are easy to be molded, and have good insulators.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A circuit breaker, comprising:

the power distribution box (1), a breaker body (2) is arranged in the power distribution box (1), and a mounting sleeve (3) is fixedly arranged on one side of the inside of the power distribution box (1);

the two mounting grooves (5) are respectively formed in two sides of the mounting sleeve (3), the two mounting grooves (5) are oppositely formed in two sides of the mounting sleeve (3), and the two mounting grooves (5) are provided with inner grooves (6);

the sleeve block (4) is fixedly arranged on one side of the breaker body (2), the sleeve block (4) is movably sleeved in the mounting sleeve (3), support columns (7) are fixedly arranged on two sides of the sleeve block (4), and the two support columns (7) are respectively arranged in the two inner grooves (6);

the limiting plate (8), the limiting plate (8) is connected in the mounting sleeve (3) in a sliding way, and one side of the limiting plate (8) is propped against one side of the sleeve block (4);

the adjusting component is arranged on the mounting sleeve (3) and used for driving the limiting plate (8) to move.

2. The circuit breaker according to claim 1, wherein the adjusting assembly comprises a sliding groove (9), the sliding groove (9) is formed in the mounting sleeve (3), a screw rod (10) is rotationally connected to the sliding groove (9), a threaded sleeve (11) is connected to the screw rod (10) in a threaded mode, the threaded sleeve (11) is slidably connected with the sliding groove (9), and the bottom end of the threaded sleeve (11) is fixedly connected with the limiting plate (8).

3. A circuit breaker according to claim 2, characterized in that the adjusting assembly further comprises a side groove (12), the side groove (12) is formed in one side of the distribution box (1), one end of the screw rod (10) is arranged in the side groove (12), a second bevel gear (15) is fixedly arranged at one end of the screw rod (10) located in the side groove (12), a rotating shaft (13) is rotationally connected to the side groove (12), a first bevel gear (14) is fixedly arranged at the bottom end of the rotating shaft (13), and the first bevel gear (14) is meshed with the second bevel gear (15).

4. A circuit breaker according to claim 3, characterized in that a turntable (18) is fixedly mounted at the top end of the rotating shaft (13), a plurality of second sleeve holes (19) are formed in the turntable (18), a plurality of first sleeve holes (16) are formed in the top surface of the distribution box (1), and one bolt (17) is movably sleeved in one of the first sleeve holes (16) and one of the second sleeve holes (19).

5. A circuit breaker according to claim 1, characterized in that the mounting groove (5) is of L-shaped configuration, and the support column (7) is in sliding fit with the mounting groove (5).

6. A circuit breaker according to claim 1, characterized in that the mounting bushing (3) and the sleeve block (4) are both made of plastic material.