CN216435818U

CN216435818U - Mechanical thermomagnetic adjustable molded case circuit breaker

Info

Publication number: CN216435818U
Application number: CN202123173579.6U
Authority: CN
Inventors: 李廷定; 王东武
Original assignee: Ningbo Goldman Sachs Electric Co ltd
Current assignee: Ningbo Goldman Sachs Electric Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-03
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to the technical field of circuit breakers, in particular to a mechanical thermomagnetic adjustable molded case circuit breaker, including the circuit breaker body, be equipped with fixed knot on the circuit breaker body and adjust the structure, sliding connection has two rubber connecting rods on the circuit breaker body, rubber connecting rod drive fixed knot constructs and removes, it includes the guide block to adjust the structure, sliding connection has two guide blocks on the circuit breaker body, sliding connection has the regulating block on the guide block, the regulating block is fixedly connected with the corresponding rubber connecting rod, be equipped with the sleeve on the regulating block, be equipped with limit structure and drive structure on the sleeve; when operating personnel need install the electric wire, need not with the help of auxiliary instrument, just can directly fix the electric wire, easy operation, and can not contact with the electric wire, avoid appearing the condition of electrocute, the security is higher.

Description

Mechanical thermomagnetic adjustable molded case circuit breaker

Technical Field

The utility model relates to a circuit breaker specifically is adjustable moulded case circuit breaker of mechanical thermomagnetic belongs to circuit breaker technical field.

Background

The mechanical thermomagnetic adjustable molded case circuit breaker is a device used on a circuit, can automatically cut off the current after the current exceeds a trip setting, plays an important role in the electricity safety of people, and has various types in the current market.

However, when the conventional mechanical thermomagnetic adjustable molded case circuit breaker is used for installing and fixing an electric wire, most of the electric wire is installed through fastening screws, in the actual operation process, an operator is required to use an auxiliary instrument, the operation is complex, and when the auxiliary instrument is connected with the electric wire through the fastening screws, the electric shock condition may occur, so that the potential safety hazard is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing just for solving above-mentioned problem and providing the adjustable moulded case circuit breaker of machinery thermomagnetic, when operating personnel need install the electric wire, need not with the help of auxiliary instrument, just can directly fix the electric wire, easy operation, and can not contact with the electric wire, avoid appearing the condition of electric shock, the security is higher.

The utility model discloses a following technical scheme realizes above-mentioned purpose, the adjustable moulded case circuit breaker of machinery thermomagnetic, including the circuit breaker body, be equipped with fixed knot on the circuit breaker body and adjust the structure, sliding connection has two rubber connecting rods on the circuit breaker body, rubber connecting rod drive fixed knot constructs and removes, it includes the guide block to adjust the structure, sliding connection has two guide blocks on the circuit breaker body, sliding connection has the regulating block on the guide block, regulating block and the rubber connecting rod fixed connection who corresponds, be equipped with the sleeve on the regulating block, be equipped with limit structure and drive structure on the sleeve.

Preferably, fixed knot constructs including the fixed plate, sliding connection has two fixed plates on the circuit breaker body, fixed connection has the burr board on the fixed plate.

Preferably, the burr plate is connected with the breaker body in a sliding mode, and the rubber connecting rod is arranged in an L shape.

Preferably, the limiting structure comprises a sliding block, the sleeve is connected with the sliding block in a sliding mode, and the sliding block is fixedly connected with a fixing block.

Preferably, the fixed block is connected with the sleeve in a sliding mode, and the fixed block is connected with the breaker body in an inserting mode.

Preferably, the end of the fixed block is arc-shaped, and the sliding block is fixedly connected with a spring.

Preferably, one end of the spring, which is far away from the sliding block, is fixedly connected with the sleeve, and the spring is positioned inside the sleeve.

Preferably, the driving structure comprises a driving plate, the sleeve is fixedly connected with the driving plate, and the circuit breaker body is connected with the two driving plates in a sliding mode.

Preferably, the sleeve is connected with a sliding rod in a sliding mode, and the sliding rod is fixedly connected with the sliding block.

Preferably, a drawing block is fixedly connected to the sliding rod, the drawing block is attached to the driving plate, and the sliding rod is connected with the driving plate in a sliding mode.

The utility model has the advantages that: when an operator uses the circuit breaker and needs to install and fix the electric wire, after the electric wire is inserted into a proper position in the circuit breaker body, the operator directly pushes the driving structure, the driving structure drives the limiting structure and the adjusting block to move through the sleeve, the adjusting block drives the rubber connecting rod to move under the matching of the guide block, so that the rubber connecting rod pushes the fixing structure to move close to the circuit breaker body, when the fixing structure and the circuit breaker body are mutually matched and the electric wire is tightly attached, the limiting structure is automatically fixed with the circuit breaker body, thereby completing the limiting, fixing and processing of the sleeve and the adjusting block, completing the installation and fixation of the electric wire, directly fixing the electric wire without auxiliary equipment when the operator needs to install the electric wire, having simple operation, being not contacted with the electric wire, avoiding the electric shock, the safety is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the connection structure of the breaker body, the fixing structure, the rubber connecting rod and the adjusting structure of the present invention;

FIG. 3 is an enlarged view of the part A shown in FIG. 2;

FIG. 4 is an enlarged view of the portion B shown in FIG. 2;

fig. 5 is an enlarged view of the part C shown in fig. 2.

In the figure: 1. a circuit breaker body; 2. a fixed structure; 201. a fixing plate; 202. a burr plate; 3. a rubber connecting rod; 4. an adjustment structure; 401. a guide block; 402. an adjusting block; 5. a limiting structure; 501. a slider; 502. a fixed block; 503. a spring; 6. a drive structure; 601. a slide bar; 602. a drive plate; 603. drawing the block; 7. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, the mechanical thermomagnetic adjustable molded case circuit breaker includes a circuit breaker body 1, the circuit breaker body 1 is provided with a fixing structure 2 and an adjusting structure 4, the circuit breaker body 1 is connected with two rubber connecting rods 3 in a sliding manner, the rubber connecting rods 3 drive the fixing structure 2 to move, the adjusting structure 4 includes a guide block 401, the circuit breaker body 1 is connected with two guide blocks 401 in a sliding manner, the guide block 401 is connected with an adjusting block 402 in a sliding manner, the adjusting block 402 is fixedly connected with the corresponding rubber connecting rods 3, the adjusting block 402 is provided with a sleeve 7, and the sleeve 7 is provided with a limiting structure 5 and a driving structure 6.

As the utility model discloses a technical optimization scheme, fixed knot constructs 2 and includes fixed plate 201, sliding connection has two fixed plates 201 on the circuit breaker body 1, fixed connection has burr board 202 on the fixed plate 201,

burr board

202 and 1 sliding connection of circuit breaker body, the shape of rubber connecting rod 3 sets up to "L" shape, through setting up burr board 202, improves the fixed effect to the electric wire to improve the device's stability.

As the utility model discloses a technical optimization scheme, limit structure 5 includes slider 501, sliding connection has slider 501 on the sleeve 7, fixedly connected with fixed block 502 on the slider 501, fixed block 502 and sleeve 7 sliding connection, fixed block 502 pegs graft with circuit breaker body 1, the tip of fixed block 502 sets up to the arc, fixedly connected with spring 503 on the slider 501, slider 501's one end and sleeve 7 fixed connection are kept away from to spring 503, spring 503 is located inside the sleeve 7, through setting up slider 501, fixed block 502 and spring 503, is convenient for carry out spacing fixed processing to adjustment block 402 to guarantee that fixed plate 201 can normally install fixedly to the electric wire.

As a technical optimization scheme, drive structure 6 includes drive plate 602, fixedly connected with drive plate 602 on the sleeve 7, circuit breaker body 1 and two drive plate 602 sliding connection, sliding connection has slide bar 601 on the sleeve 7, slide bar 601 and slider 501 fixed connection, fixedly connected with pull piece 603 on the slide bar 601, pull piece 603 and the laminating of drive plate 602, slide bar 601 and drive plate 602 sliding connection through setting up pull piece 603 and slide bar 601, the operating personnel pulling slider 501 and fixed block 502 of being convenient for to the operating personnel of being convenient for carries out the dismantlement processing to the electric wire.

When the utility model is used, when an operator uses the circuit breaker and needs to install and fix the electric wire, after the electric wire is inserted into a proper position in the circuit breaker body 1, the operator directly pushes the drive plate 602 to make the drive plate 602 drive the adjusting block 402 to move through the sleeve 7, when the adjusting block 402 moves, the fixed block 502 is extruded by the circuit breaker body 1, when the fixed block 502 moves to retract into the sleeve 7, the spring 503 is extruded through the slider 501, the adjusting block 402 drives the rubber connecting rod 3 to move under the cooperation of the guide block 401, so that the rubber connecting rod 3 pushes the fixed plate 201 and the burr plate 202 to move close to the circuit breaker body 1, when the burr plate 202 and the circuit breaker body 1 are mutually matched and tightly adhere to the electric wire, under the elasticity of the spring 503, the slider 501 automatically pushes the fixed block 502 to move to the original position, the fixing block 502 is inserted into the circuit breaker body 1, so that the limiting and fixing treatment of the adjusting block 402 is completed, the fixing plate 201 and the burr plate 202 are more firmly fixed to the electric wire, when an operator needs to overhaul or replace the electric wire, the drawing block 603 is directly pulled, the drawing block 603 drives the sliding block 501 to move to extend out of the breaker body 1 through the sliding rod 601, after the sliding block 501 drives the fixing block 502 to be in a state of falling off and clamping with the breaker body 1, the operator directly pulls the driving plate 602 through the drawing block 603, make drive plate 602 do the motion that is close to circuit breaker body 1 middle part, drive plate 602 drives regulating block 402 through sleeve 7 and carries out synchronous motion, and regulating block 402 drives rubber connecting rod 3 and removes under guide block 401's cooperation, and rubber connecting rod 3 drives fixed plate 201 and burr plate 202 and removes for burr plate 202 drops the spacing fixed state to the electric wire.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. Mechanical thermomagnetic adjustable molded case circuit breaker, including circuit breaker body (1), its characterized in that: be equipped with fixed knot on circuit breaker body (1) and adjust structure (4), sliding connection has two rubber connecting rod (3) on circuit breaker body (1), rubber connecting rod (3) drive fixed knot constructs (2) and removes, it includes guide block (401) to adjust structure (4), sliding connection has two guide block (401) on circuit breaker body (1), sliding connection has regulating block (402) on guide block (401), rubber connecting rod (3) fixed connection of regulating block (402) and correspondence, be equipped with sleeve (7) on regulating block (402), be equipped with limit structure (5) and drive structure (6) on sleeve (7).

2. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 1, wherein: fixed knot constructs (2) including fixed plate (201), sliding connection has two fixed plates (201) on circuit breaker body (1), fixed connection has burr board (202) on fixed plate (201).

3. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 2, wherein: the burr plate (202) is connected with the breaker body (1) in a sliding mode, and the rubber connecting rod (3) is L-shaped.

4. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 1, wherein: limit structure (5) include slider (501), sliding connection has slider (501) on sleeve (7), fixedly connected with fixed block (502) on slider (501).

5. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 4, wherein: the fixed block (502) is connected with the sleeve (7) in a sliding mode, and the fixed block (502) is connected with the breaker body (1) in an inserting mode.

6. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 5, wherein: the end of the fixed block (502) is arc-shaped, and the sliding block (501) is fixedly connected with a spring (503).

7. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 6, wherein: one end, far away from the sliding block (501), of the spring (503) is fixedly connected with the sleeve (7), and the spring (503) is located inside the sleeve (7).

8. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 7, wherein: the driving structure (6) comprises a driving plate (602), the sleeve (7) is fixedly connected with the driving plate (602), and the circuit breaker body (1) is connected with the two driving plates (602) in a sliding mode.

9. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 8, wherein: sliding connection has slide bar (601) on sleeve (7), slide bar (601) and slider (501) fixed connection.

10. The mechanical thermo-magnetic adjustable molded case circuit breaker according to claim 9, wherein: the sliding rod (601) is fixedly connected with a drawing block (603), the drawing block (603) is attached to the driving plate (602), and the sliding rod (601) is connected with the driving plate (602) in a sliding mode.