CN215183770U

CN215183770U - Plastic case circuit breaker

Info

Publication number: CN215183770U
Application number: CN202120898130.7U
Authority: CN
Inventors: 毛建峰; 项燕婧; 刘贵红
Original assignee: Yueqing Qinuo Electric Appliance Co ltd
Current assignee: Yueqing Qinuo Electric Appliance Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-14
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a moulded case circuit breaker, which comprises a housin, the casing comprises the A shell and the B shell of mutual lock, and the lower extreme of casing is equipped with two at least installation through-holes, and the installation through-hole is become by A shell and B shell lock, is equipped with adjusting device under the casing, adjusting device puts wing, card piece, fixed block, installation pterygoid lamina and removable ribbon by nearly extremely being equipped with the card in proper order far away from the casing. Due to the adoption of the technical scheme, the appearance and the structure of the circuit breaker are improved, so that the angle of the circuit breaker can be adjusted, different installation wing plates can be replaced for different installation frames to adapt to the circuit breaker, the electrical cabinet does not need to be integrally transformed and improved, the user can install the circuit breaker more easily, and the operation mode is simplified compared with the prior art.

Description

Plastic case circuit breaker

Technical Field

The utility model belongs to the technical field of electrical equipment, intelligent electric capacity technique and specifically relates to a moulded case circuit breaker.

Background

A circuit breaker refers to a switching device that can close, carry, and open/close a current under a normal circuit condition and can close, carry, and open/close a current under a circuit condition within a prescribed time. The circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the practical range, the circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when serious overload or short circuit, namely undervoltage and other faults occur, and the circuit breaker has the function equivalent to the combination of a fuse switch and an overheating relay.

The circuit breaker in the prior art has the following defects: fixed mode is single, can only be applicable to in the framework of single size, is difficult to the erection equipment of general various sizes, and generally speaking for the installation frame not horizontal just vertical installation, is difficult to angle of adjustment, is difficult to fine adaptation and utilizes installation space, the utility model discloses make the improvement structure based on the aforesaid is not enough.

SUMMERY OF THE UTILITY MODEL

To the deficiency in the background art, the utility model provides a moulded case circuit breaker and overcome above defect.

The utility model provides a technical scheme that its technical problem adopted is:

a molded case circuit breaker comprises a shell, wherein the shell consists of a shell A and a shell B which are mutually buckled, the lower end of the shell is provided with at least two installation through holes, the installation through holes are formed by buckling the shell A and the shell B, an adjusting device is arranged right below the shell, and the adjusting device is sequentially provided with a clamping wing, a clamping block, a fixed block, an installation wing plate and a detachable ribbon from near to far from the shell;

the clamping block is arranged between the clamping wing and the shell, one side close to the shell is provided with a regular polygonal groove, and the edge of the other side is provided with an extending block extending towards the fixed block;

the clamping wing comprises a wing A and a wing B which are arranged symmetrically, one side of the clamping wing close to the shell is provided with an installation block matched with the installation through hole, the other side of the clamping wing is disc-shaped and is arranged between the clamping block and the fixed block, and one side of the clamping wing close to the fixed block is provided with fixing grooves which are uniformly distributed around the axis;

one side that the fixed block is close to the card and puts the wing is equipped with the fixed arch with fixed groove looks adaptation, and the installation pterygoid lamina is put the piece, the card through screw and fixed block, card and is put the wing and connect fixedly, and removable ribbon sets up respectively in installation pterygoid lamina both ends.

The two ends of the installation wing plate are provided with installation grooves matched with the detachable binding belt, and the section of the installation wing plate is rectangular, arc-shaped, square-shaped, folded wing-shaped or multi-section folded wing-shaped.

The axle center of the installation wing plate, the clamping block, the fixing block and the clamping wing is provided with a connecting through hole matched with the screw.

The regular polygon groove and the connecting through hole are arranged on the same axis, and a nut matched with the screw thread is arranged in the regular polygon groove.

Due to the adoption of the technical scheme, the appearance and the structure of the circuit breaker are improved, so that the angle of the circuit breaker can be adjusted, different installation wing plates can be replaced for different installation frames to adapt to the circuit breaker, the electrical cabinet does not need to be integrally transformed and improved, the user can install the circuit breaker more easily, and the operation mode is simplified compared with the prior art.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the exploded structure of the present invention.

Fig. 3 is an exploded view of the locking wing 2, the locking block 3 and the fixing block 4 in fig. 2.

Fig. 4 is a further schematic cross-sectional view of the mounting flap 5 in fig. 1.

In the figure: 1. a housing; 11. mounting a through hole; 2. clamping the wing; 21. mounting blocks; 22. fixing the groove; 3. clamping the block; 31. a regular polygonal groove; 32. an extension block; 4. a fixed block; 41. a fixed protrusion; 5. installing wing plates; 51. installing a groove; 6. a binding belt can be disassembled; 7. a screw; 8. and a nut.

Detailed Description

The present invention will be described in more detail with reference to the following examples, which are illustrated in the accompanying drawings. This example is merely a description of the best mode of carrying out the invention and is not intended to limit the scope of the invention in any way.

As shown in fig. 1 to 4, a molded case circuit breaker includes a casing 1, the casing 1 is composed of a casing a and a casing B which are fastened to each other, the lower end of the casing 1 is provided with at least two mounting through holes 11, the mounting through holes 11 are fastened by the casing a and the casing B, an adjusting device is arranged right below the casing 1, and the adjusting device is provided with a clamping wing 2, a clamping block 3, a fixing block 4, a mounting wing plate 5 and a detachable band 6 in sequence from near to far from the casing 1;

the clamping block 3 is arranged between the clamping wing 2 and the shell 1, one side close to the shell 1 is provided with a regular polygonal groove 31, and the edge of the other side is provided with an extending block 32 extending towards the fixed block 4;

the clamping wing 2 comprises a wing A and a wing B which are arranged symmetrically, one side of the clamping wing 2 close to the shell 1 is provided with a mounting block 21 matched with the mounting through hole 11, the other side of the clamping wing 2 is disc-shaped and is arranged between the clamping block 3 and the fixed block 4, and one side of the clamping wing close to the fixed block 4 is provided with fixing grooves 22 which are uniformly distributed around the axis;

one side that fixed block 4 is close to the card and puts wing 2 is equipped with the fixed arch 41 with fixed recess 22 looks adaptation, and installation pterygoid lamina 5 is put piece 3, the card through screw 7 and fixed block 4, card and is put wing 2 and connect fixedly, and removable ribbon 6 sets up respectively in installation pterygoid lamina 5 both ends.

The two ends of the installation wing plate 5 are provided with installation grooves 51 matched with the detachable binding belt 6, and the section of the installation wing plate 5 is rectangular, arc-shaped, square-shaped, folded wing-shaped or multi-section folded wing-shaped. Can be adapted to different mounting frames, round, square, positive polygon,

the axle centers of the installation wing plate 5, the clamping block 3, the fixing block 4 and the clamping wing 2 are provided with connecting through holes matched with the screws 7.

The regular polygonal groove 31 and the connecting through hole are arranged on the same axis, and a nut 8 in threaded fit with the screw 7 is arranged in the regular polygonal groove 31.

The specific working principle is as follows:

firstly, a nut 8 is placed in a polygonal groove of a clamping block 3, and then the clamping block 3 is held close to the right lower part of a shell 1;

furthermore, the separated clamping wings 2 and the shell 1 are fixedly inserted, namely the mounting blocks 21 of the wing A and the wing B are inserted into the mounting through holes 11 of the shell 1;

further, the fixing protrusion 41 on the fixing block 4 aligns with the fixing groove 22 on the clamping wing 2 and is attached to the fixing groove;

further, attaching the installation wing plate 5 to the fixing block 4;

further, the clamping block 3 is leaned against the clamping block 3 until the clamping block 3 is abutted, and the extension block 32 is positioned on the periphery of the clamping block 3;

further, a screw 7 penetrates through the connecting through holes of the installation wing plate 5, the fixing block 4, the clamping block 3 and the fixing wing and is in threaded connection with a nut 8;

further, the breaker and the mounting frame are fixedly connected through a detachable binding belt 6, and the belt body of the detachable binding belt 6 is positioned in the mounting groove 51;

furthermore, when the breaker needs to be disassembled, the breaker can be removed by disassembling the detachable binding belt 6;

furthermore, when the angle of the circuit breaker needs to be adjusted, the screw 7 and the nut 8 are unscrewed to separate the fixing block 4 and the clamping wing 2, the fixing groove 22 corresponding to the fixing protrusion 41 is rotated and adjusted, and then the screw 7 and the nut 8 are screwed.

Owing to adopted above-mentioned technical scheme, improved circuit breaker appearance and structure for the circuit breaker can angle regulation, and can change different installation pterygoid lamina 5 adaptations to different installation frames, also need not carry out holistic transformation and improvement, the user is changeed the installation, the operating mode also simplifies more than before to the electrical apparatus cabinet.

It is to be understood that the above examples are merely illustrative for clarity of description and are not limiting on the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims

1. A molded case circuit breaker includes a case (1), characterized in that: the shell (1) consists of a shell A and a shell B which are mutually buckled, the lower end of the shell (1) is provided with at least two installation through holes (11), the installation through holes (11) are formed by buckling the shell A and the shell B, an adjusting device is arranged right below the shell (1), and the adjusting device is sequentially provided with a clamping wing (2), a clamping block (3), a fixed block (4), an installation wing plate (5) and a detachable binding belt (6) from near to far away from the shell (1);

the clamping block (3) is arranged between the clamping wing (2) and the shell (1), one side close to the shell (1) is provided with a regular polygonal groove (31), and the edge of the other side is provided with an extending block (32) extending towards the fixed block (4);

the clamping wing (2) comprises an A wing and a B wing which are arranged symmetrically, one side of the clamping wing (2) close to the shell (1) is provided with an installation block (21) matched with the installation through hole (11), the other side of the clamping wing is disc-shaped and is arranged between the clamping block (3) and the fixed block (4), and one side of the clamping wing close to the fixed block (4) is provided with fixed grooves (22) which are uniformly distributed around the axis;

one side that fixed block (4) are close to the card and put wing (2) is equipped with fixed arch (41) with fixed recess (22) looks adaptation, and installation pterygoid lamina (5) are put piece (3), the card through screw (7) and fixed block (4), card and are put wing (2) and connect fixedly, and removable ribbon (6) set up respectively in installation pterygoid lamina (5) both ends.

2. The molded case circuit breaker according to claim 1, wherein: two ends of the installation wing plate (5) are provided with installation grooves (51) matched with the detachable ribbon (6), and the section of the installation wing plate (5) is rectangular, arc-shaped, square-shaped, folded wing-shaped or multi-section folded wing-shaped.

3. The molded case circuit breaker according to claim 1, wherein: the axle center of the installation wing plate (5), the clamping block (3), the fixing block (4) and the clamping wing (2) is provided with a connecting through hole matched with the screw (7).

4. A molded case circuit breaker according to claim 3, wherein: the regular polygon groove (31) and the connecting through hole are arranged on the same axis, and a nut (8) in threaded fit with the screw (7) is arranged in the regular polygon groove (31).