Circuit breaker shell and circuit breaker

Abstract

The utility model belongs to the field of circuit breakers, and particularly relates to a circuit breaker shell, which comprises a circuit breaker main body, the circuit breaker main body is provided with an assembly hole and an inner cavity, the inner cavity is provided with a fixed block, the fixed block is provided with a guide rod, the guide rod is provided with a traction block, the guide rod is provided with a telescopic spring, the inner cavity is provided with a vertical plate, and the vertical plate is provided with a connecting block. The connecting blocks are provided with check blocks, the check blocks are provided with assembling blocks, limiting blocks are fixedly assembled on the check blocks, mounting plates are fixedly assembled at the bottoms of the traction blocks, fixing plates are fixedly assembled on the two symmetrical side faces of the assembling blocks, and adjusting rods are movably assembled on the fixing plates and the mounting plates. According to the circuit breaker shell, through the cooperation of the stop block and the telescopic spring, the problems that an existing circuit breaker lacks a stabilizing mechanism for a terminal screw, the terminal screw is prone to loosening due to the influence of external vibration, the connection effect between a cable and the circuit breaker is affected, and equipment cannot be used normally are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of circuit breaker, specifically a circuit breaker shell and circuit breaker. BACKGROUND

[0002] Circuit breaker refers to the switch device that can close, carry and open the current under normal circuit conditions and can close, carry and open the current under normal circuit conditions within the specified time. Circuit breaker is divided into high-voltage circuit breaker and low-voltage circuit breaker according to its use range, and the high-low voltage boundary is relatively fuzzy, generally above 3kV is called high-voltage electrical apparatus, circuit breaker can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply line and motor, etc. When they occur serious overload or short circuit and under voltage fault, it can automatically cut off the circuit, its function is equivalent to the combination of fuse type switch and overload thermal relay, and after breaking the fault current, generally no need to change parts, has obtained the wide application.

[0003] The existing circuit breaker needs to insert the copper wire core of one end of the cable into the optical cable interface when using, can be fixed by tightening the terminal screw, but the existing circuit breaker still has the following problems in the process of using:

[0004] The existing circuit breaker lacks a stable mechanism for the terminal screw, the terminal screw is easily loose under the influence of external vibration, affects the connection effect between the cable and the circuit breaker, causes the equipment to be unable to use normally, therefore it is necessary to involve a circuit breaker shell and circuit breaker for the existing circuit breaker field. INVENTION CONTENTS

[0005] In order to make up for the deficiency of the prior art, the existing circuit breaker lacks a stable mechanism for the terminal screw, the terminal screw is easily loose under the influence of external vibration, affects the connection effect between the cable and the circuit breaker, causes the equipment to be unable to use normally, the utility model provides a circuit breaker shell and circuit breaker.

[0006] The utility model solves the technical scheme that the utility model adopts: a circuit breaker shell, including circuit breaker main part, be provided with a plurality of assembly hole on the circuit breaker main part, the inside of circuit breaker main part is provided with a plurality of inner cavities, the inner cavity corresponds to below the assembly hole, the top surface of inner cavity is all fixedly equipped with the vertical board, the bottom of two vertical boards is all fixedly equipped with the connecting block, the connecting block is all movably equipped with the fender block, and the one end of fender block is all movably penetrated into the assembly hole.

[0007] As preferred, the top surface of the inner cavity is fixedly provided with two groups of fixed blocks, the vertical plates are located between the two groups of fixed blocks, the number of fixed blocks in each group is two, and symmetrically fixed blocks in each group are provided with guide rods, the two guide rods are movably provided with traction blocks, the guide rods are provided with telescopic springs, and the two ends of the telescopic springs are fixedly provided with the traction blocks and the fixed blocks.

[0008] As preferred, the bottom of the block is fixedly provided with an assembly block, and the block is fixedly provided with a limiting block, the limiting block is located between the two vertical plates, and the limiting block is located above the connecting block.

[0009] As preferred, the bottom of the block is fixedly provided with an assembly block, and the block is fixedly provided with a limiting block, the limiting block is located between the two vertical plates, and the limiting block is located above the connecting block.

[0010] As preferred, the bottom of the block is fixedly provided with an assembly block, and the block is fixedly provided with a limiting block, the limiting block is located between the two vertical plates, and the limiting block is located above the connecting block.

[0011] As preferred, the bottom of the block is fixedly provided with an assembly block, and the block is fixedly provided with a limiting block, the limiting block is located between the two vertical plates, and the limiting block is located above the connecting block.

[0012] As preferred, the bottom of the block is fixedly provided with an assembly block, and the block is fixedly provided with a limiting block, the limiting block is located between the two vertical plates, and the limiting block is located above the connecting block.

[0013] The utility model also provides a kind of circuit breaker, it includes the circuit breaker shell.

[0014] The utility model has the advantages that:

[0015] The utility model discloses a kind of circuit breaker, it includes the circuit breaker shell. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be simply introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] Figure 1 It is the circuit breaker structure schematic view of the utility model;

[0018] Figure 2 It is the circuit breaker sectional structure schematic view of the utility model;

[0019] Figure 3 It is the blocking mechanism structure schematic view of the utility model;

[0020] Figure 4 It is the blocking mechanism structure schematic view of the utility model.

[0021] In the drawing,

[0022] 10, circuit breaker main body;11, cable interface;12, assembly hole;13, electric gate;

[0023] 20, traction port;21, pressing block;22, inner cavity;23, stop block;

[0024] 30, fixed block;31, guide rod;32, traction block;33, extension spring;

[0025] 40, vertical plate;41, connecting block;42, limiting block;43, assembly block;

[0026] 50, mounting plate;51, fixed plate;52, adjusting rod. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] The following will be combined with the drawings in the embodiments of the utility model Figure 1 The present application is further described in detail,

[0029] The embodiments of the present application disclose a kind of circuit breaker shell. Refer to Figure 2 Figure 4 ​The utility model relates to a circuit breaker shell and circuit breaker, including circuit breaker body 10, be provided with a plurality of assembly hole 12 on circuit breaker body 10, the inside of circuit breaker body 10 is provided with a plurality of inner chamber 22, and the inner chamber 22 correspondingly is located below assembly hole 12, and the top of inner chamber 22 is fixedly equipped with two groups of fixed blocks 30, and the number of each group fixed block 30 is two, and the two fixed blocks 30 of each group are fixedly equipped with guide rod 31 between symmetry, and two guide rods 31 are movably equipped with traction block 32, and the traction block 32 and fixed block 30 are fixedly equipped with telescopic spring 33, and the inside of telescopic spring 33 is equipped with guide rod 31, and the top of inner chamber 22 is fixedly equipped with vertical plate 40 between symmetry, and vertical plate 40 is located between two groups of fixed blocks 30, and the bottom of two vertical plates 40 is fixedly equipped with connecting block 41, and connecting block 41 is movably equipped with stopper 23, and one end of stopper 23 is movably penetrated into assembly hole 12, and the bottom of stopper 23 is fixedly equipped with assembly block 43, and stopper 23 is fixedly equipped with limiting block 42, and limiting block 42 is located between two vertical plates 40, and limiting block 42 is located above connecting block 41, and the bottom of traction block 32 is fixedly equipped with mounting plate 50, and the symmetry of assembly block 43 two side surfaces are fixedly equipped with fixed plate 51, and fixed plate 51 is movably equipped with adjusting rod 52, and the other end of adjusting rod 52 is movably equipped with mounting plate 50, and assembly block 43 moves down, so that stopper 23 is away from assembly hole 12, under the action of adjusting rod 52, so that two traction blocks 32 are reversely moved on guide rod 31, and telescopic spring 33 is contracted, and it is convenient to install screw on assembly hole 12, after screw installation is completed, loosens assembly block 43, under the elastic force of telescopic spring 33, so that stopper 23 moves to the direction of assembly hole 12, and the movement of screw in assembly hole 12 is limited.

[0030] Referring to Figure 1 - Figure 3 A plurality of traction mouths 20 corresponding to the inner chamber 22 are arranged on the circuit breaker body 10, the assembly block 43 is fixedly equipped with a pressing block 21 corresponding to the movement of the traction mouth 20, the cable interface 11 is arranged on the circuit breaker body 10, and the electric shutter 13 is arranged on the circuit breaker body 10. The copper wire core at one end of the cable is inserted into the cable interface 11, the cable can be fixed by tightening the terminal screw on the assembly hole 12, the pressing block 21 is pressed, and the pressing block 21 moves on the traction mouth 20.

[0031] The utility model also provides a circuit breaker, which comprises the circuit breaker shell.

[0032] Working principle: the copper wire core of one end of the cable is inserted into the cable interface 11, the pressing block 21 is pressed, the pressing block 21 moves on the traction port 20, the assembly block 43 moves downward, the stop block 23 moves away from the assembly hole 12, under the action of the adjusting rod 52, the two traction blocks 32 move reversely on the guide rod 31 respectively, the telescopic spring 33 is contracted, the screw is conveniently installed on the assembly hole 12, after the screw is installed, the assembly block 43 is loosened, under the elastic force of the telescopic spring 33, the stop block 23 moves to the direction of the assembly hole 12, the movement of the screw in the assembly hole 12 is limited, the installation stability between the cable and the circuit breaker main body 10 is improved, and the practicality is improved.

[0033] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A circuit breaker housing, characterized in that: The circuit breaker comprises a main body (10), wherein the main body (10) is provided with a plurality of assembly holes (12), and the interior of the main body (10) is provided with a plurality of inner cavities (22), wherein the inner cavities (22) are located correspondingly below the assembly holes (12), and the top surfaces of the inner cavities (22) are symmetrically fixedly equipped with vertical plates (40), and the bottoms of the two vertical plates (40) are fixedly equipped with connecting blocks (41), and the connecting blocks (41) are movably equipped with stoppers (23), and one end of the stoppers (23) is movably inserted into the assembly holes (12).

2. A circuit breaker housing according to claim 1, characterized in that: Two groups of fixed blocks (30) are fixedly assembled on the top surface of the inner cavity (22), and the vertical plate (40) is located between the two groups of fixed blocks (30). The number of each group of fixed blocks (30) is two, and a guide rod (31) is symmetrically fixedly assembled between the two fixed blocks (30) of each group. The two guide rods (31) are movably assembled with a traction block (32), and the guide rods (31) are equipped with a telescopic spring (33). The two ends of the telescopic spring (33) are respectively fixedly assembled with the traction block (32) and the fixed block (30).

3. A circuit breaker housing according to claim 2, characterized in that: The bottom of each stop block (23) is fixedly assembled with an assembly block (43), and a limit block (42) is fixedly assembled on each stop block (23). The limit block (42) is located between the two vertical plates (40), and the limit block (42) is located above the connecting block (41).

4. A circuit breaker housing according to claim 3, characterized in that: The bottom of the traction block (32) is fixedly equipped with a mounting plate (50), and the symmetrical sides of the assembly block (43) are fixedly equipped with a fixing plate (51). The fixing plate (51) is movably equipped with an adjustment rod (52), and the other end of the adjustment rod (52) is movably assembled with the mounting plate (50).

5. The circuit breaker housing according to claim 1, characterized in that: The circuit breaker body (10) is provided with a plurality of traction ports (20), and the traction ports (20) are correspondingly connected to the inner cavity (22).

6. A circuit breaker housing according to claim 4, characterized in that: The assembly blocks (43) are all fixedly assembled with pressing blocks (21), and the pressing blocks (21) are movably assembled corresponding to the traction ports (20).

7. The circuit breaker housing according to claim 1, characterized in that: A cable interface (11) is provided on the circuit breaker body (10), and an electric switch (13) is assembled on the circuit breaker body (10).

8. A circuit breaker, characterized in that: The circuit breaker housing comprises the circuit breaker housing according to any one of claims 1 to 7.

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