CN216015248U

CN216015248U - Circuit breaker with novel dual power supply conversion structure

Info

Publication number: CN216015248U
Application number: CN202121929635.1U
Authority: CN
Inventors: 杨建定
Original assignee: Hangzhou Shenzhijiang Electric Co ltd
Current assignee: Hangzhou Shenzhijiang Electric Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a circuit breaker with a novel dual-power conversion structure, wherein a clamping groove is formed in one side of a sliding plate, a first fixing column and a second fixing column are respectively movably penetrated through the top of a fixing plate, a first fixing rod and a second fixing rod are respectively fixedly inserted into one side of the first fixing column and one side of the second fixing column, one end of the first fixing column and one end of the second fixing column are positioned below the fixing plate and are fixedly connected with a first contact and a second contact, the first fixing rod is fixed in the clamping groove by a pressing mode, a common power supply is connected, the second fixing column is fixed inside the clamping groove by pressing, and the first fixing rod is separated from the clamping groove when the sliding plate moves leftwards, reset under the effect of third expanding spring power, when the power disconnection commonly used, stand-by power supply connects, simple structure, and convenient operation avoids power commonly used and stand-by power supply to communicate simultaneously.

Description

Circuit breaker with novel dual power supply conversion structure

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker with a novel dual-power-supply conversion structure.

Background

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 faults such as serious overload, short circuit, undervoltage and the like occur, has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, does not need to change parts after breaking fault current, and is widely applied at present.

The circuit breaker of current dual supply transform structure at the in-process of power conversion, needs to carry out synchronous conversion to power commonly used and stand-by power supply, if the conversion is difficult in time easily leads to power commonly used and stand-by power supply to meet for circuit and components and parts voltage and current are unstable, influence the life of circuit breaker, for this reason, provide a circuit breaker with novel dual supply transform structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit breaker with a novel dual-power-supply conversion structure, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a circuit breaker with a novel dual-power conversion structure comprises a shell, a conversion mechanism and a reset mechanism, wherein the conversion mechanism is positioned in the shell, and the reset mechanism is connected to the inner side wall of the shell;

the conversion mechanism comprises a fixed plate, a slide rail and a slide plate, the slide rail is fixedly connected to the top of the fixed plate, the slide plate is slidably connected to the outer side of the slide rail through a slide groove, a clamping groove is formed in one side of the slide plate, a first fixing column and a second fixing column are movably arranged at the top of the fixed plate in a penetrating mode respectively, a first fixing rod and a second fixing rod are fixedly inserted into one side of the first fixing column and one side of the second fixing column respectively, one end of the first fixing column and one end of the second fixing column are located below the fixed plate and fixedly connected with a first contact and a second contact, a first fixed block is fixedly connected to one side of the slide plate, a third fixing column is fixedly connected to the top of the fixed plate, and a first expansion spring is fixedly connected between the first fixed block and the third fixing column.

Preferably, the reset mechanism includes an elongated slot, a second fixed block and a push rod, the push rod movably penetrates through the elongated slot and extends to the inside of the housing, the second fixed block is fixedly connected to the inner side wall of the housing, and a second expansion spring is fixedly connected between the second fixed block and the push rod.

Preferably, the top of the shell is movably penetrated with two pressure rods, and one ends of the two pressure rods are positioned at the outer side of the shell and fixedly connected with pressure caps.

Preferably, a first terminal plate is fixedly connected to the inside of the housing below the first contact, and a second terminal plate is fixedly connected to the inside of the housing below the second contact.

Preferably, the elongated slot is formed in one side of the housing, and one end of the push rod extending into the housing is located above the sliding plate.

Preferably, the two pressing rods are fixedly connected to the tops of the first fixing column and the second fixing column respectively at the ends, far away from the pressing cap, of the pressing rods, and third telescopic springs are fixedly connected between the two pressing rods and the first fixing column and the second fixing column respectively.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first fixing rod is fixed in the clamping groove in a pressing mode, the common power supply is connected, the second fixing rod is fixed in the clamping groove in a pressing mode, meanwhile, when the sliding plate moves leftwards, the first fixing rod is separated from the clamping groove and resets under the action of the third telescopic spring force, the standby power supply is connected while the common power supply is disconnected, the structure is simple, the operation is convenient, the common power supply and the standby power supply are prevented from being simultaneously connected, the push rod is pushed downwards, and the common power supply or the standby power supply is prevented from being disconnected.

Drawings

FIG. 1 is a schematic view of the internal structure of the housing of the present invention;

FIG. 2 is a schematic view of the slider structure of the present invention;

fig. 3 is a schematic view of the external structure of the housing of the present invention.

In the figure: 1. a housing; 2. a switching mechanism; 21. a fixing plate; 22. a slide rail; 23. a slide plate; 24. a card slot; 25. a first fixed column; 26. a first fixing lever; 27. a first contact; 28. a second fixed column; 29. a second fixing bar; 210. a second contact; 211. a first fixed block; 212. a first extension spring; 213. a third fixing column; 3. a reset mechanism; 31. a long groove; 32. a second fixed block; 33. a push rod; 34. a second extension spring; 4. a first wiring board; 5. a second wiring board; 6. a pressure lever; 7. pressing the cap; 8. and a third extension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a circuit breaker with a novel dual-power conversion structure comprises a shell 1, a conversion mechanism 2 and a reset mechanism 3, wherein the conversion mechanism 2 is positioned in the shell 1, and the reset mechanism 3 is connected to the inner side wall of the shell 1;

the conversion mechanism 2 comprises a fixed plate 21, a slide rail 22 and a slide plate 23, wherein the slide rail 22 is fixedly connected to the top of the fixed plate 21, the slide plate 23 is slidably connected to the outer side of the slide rail 22 through a slide slot, a slot 24 is formed in one side of the slide plate 23, a first fixed column 25 and a second fixed column 28 are respectively movably penetrated through the top of the fixed plate 21, a first fixed rod 26 and a second fixed rod 29 are respectively fixedly inserted into one side of the first fixed column 25 and one side of the second fixed column 28, a first contact 27 and a second contact 210 are fixedly connected to one end of the first fixed column 25 and one end of the second fixed column 28 below the fixed plate 21, a first fixed block 211 is fixedly connected to one side of the slide plate 23, a third fixed column 213 is fixedly connected to the top of the fixed plate 21, and a first expansion spring 212 is fixedly connected between the first fixed block 211 and the third fixed column 213, according to the utility model, the first fixing rod 26 is fixed in the clamping groove 24 in a pressing mode, a common power supply is connected, the second fixing rod 28 is fixed in the clamping groove 24 through pressing, meanwhile, when the sliding plate 23 moves leftwards, the first fixing rod 26 is separated from the clamping groove 24 and resets under the action of the force of the third telescopic spring 8, and the common power supply is disconnected and the standby power supply is connected.

In this embodiment, specifically: the reset mechanism 3 comprises a long groove 31, a second fixing block 32 and a push rod 33, the push rod 33 movably penetrates through the long groove 31 and extends to the inside of the shell 1, the second fixing block 32 is fixedly connected to the inner side wall of the shell 1, a second expansion spring 34 is fixedly connected between the second fixing block 32 and the push rod 33, and the push rod 33 is pushed to reset through the second expansion spring 34.

In this embodiment, specifically: the top of the shell 1 is movably penetrated with two pressure rods 6, one ends of the two pressure rods 6 are located on the outer side of the shell 1 and fixedly connected with pressure caps 7, and the first fixing column 25 and the second fixing column 28 are pushed to move downwards by pressing the two pressure caps 7.

In this embodiment, specifically: the inside of the shell 1 is positioned below the first contact 27 and is fixedly connected with a first wiring board 4, the inside of the shell 1 is positioned below the second contact 210 and is fixedly connected with a second wiring board 5, the output end of a common power supply is fixed on the first wiring board 4, and the output end of a standby power supply is fixed on the second wiring board 5.

In this embodiment, specifically: the long groove 31 is arranged on one side of the housing 1, one end of the push rod 33 extending into the housing 1 is located above the sliding plate 23, and the push rod 33 moves downwards to push the sliding plate 23 to move leftwards.

In this embodiment, specifically: two the depression bar 6 is kept away from the one end of pressing cap 7 and is fixed connection respectively in the top of first fixed column 25 and second fixed column 28, two equal fixedly connected with third expanding spring 8 between depression bar 6 and first fixed column 25 and the second fixed column 28 drives first fixed column 25 and second fixed column 28 through third expanding spring 8 and resets.

Working principle or structure principle, when in use, a common power supply is connected to the first wiring board 4, a standby power supply is connected to the second wiring board 5, under normal conditions, the first fixing column 25 is pressed downwards, the first fixing column 25 drives the first fixing rod 26 to move downwards, the first fixing rod 26 moves downwards along one end of the clamping groove 24, the sliding plate 23 is pushed to move leftwards, when the first fixing rod 26 abuts against the bottom of the clamping groove 24, the sliding plate 23 is reset under the action of the first telescopic spring 212, so that the first fixing rod 26 is fixed inside the clamping groove 24, the first contact 27 abuts against the upper part of the first wiring board 4, the common power supply is communicated, the structure is simple, the operation is convenient, when the standby power supply needs to be switched, the pressing cap 7 connected to the second fixing column 28 is pressed downwards, the second fixing column 28 drives the second fixing rod 29 to push downwards, so that the sliding plate 23 moves leftwards, when the second fixing column 28 abuts against the bottom of the card slot 24, the sliding plate 23 is reset under the action of the first expansion spring 212, so that the second fixing column 28 is fixed inside the card slot 24, so that the second contact 210 abuts against the top of the second wiring board 5, and meanwhile, when the sliding plate 23 moves leftwards, the first fixing rod 26 is separated from the card slot 24, and is reset under the action of the third expansion spring 8, the first contact 27 is far away from the first wiring board 4, so that the conversion of the standby power supply is completed, the standby power supply is connected while the common power supply is disconnected, the operation is convenient and fast, when the common power supply and the standby power supply are stopped, the push rod 33 is pushed downwards, the sliding plate 23 moves leftwards, the first fixing rod 26 and the second fixing rod 29 are separated from the card slot 24, and are reset under the action of the third expansion spring 8, the power supply is disconnected, and the push rod 33 is reset under the action of the second expansion spring 34.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit breaker with novel dual power supply changeover structure, includes casing (1), shifter (2) and canceling release mechanical system (3), its characterized in that: the conversion mechanism (2) is positioned in the shell (1), and the reset mechanism (3) is connected to the inner side wall of the shell (1);

the conversion mechanism (2) comprises a fixed plate (21), a sliding rail (22) and a sliding plate (23), the sliding rail (22) is fixedly connected to the top of the fixed plate (21), the sliding plate (23) is slidably connected to the outer side of the sliding rail (22) through a sliding groove, a clamping groove (24) is formed in one side of the sliding plate (23), a first fixed rod (25) and a second fixed rod (28) are movably arranged at the top of the fixed plate (21) in a penetrating mode respectively, a first fixed rod (26) and a second fixed rod (29) are fixedly inserted into one side of the first fixed rod (25) and one side of the second fixed rod (28) respectively, one end of the first fixed rod (25) and one end of the second fixed rod (28) are located below the fixed plate (21) and are fixedly connected with a first contact (27) and a second contact (210), and one side of the sliding plate (23) is fixedly connected with a first fixed block (211), the top of fixed plate (21) fixedly connected with third fixed column (213), fixedly connected with first expanding spring (212) between first fixed block (211) and third fixed column (213).

2. The circuit breaker with the novel dual power supply conversion structure of claim 1, wherein: the resetting mechanism (3) comprises a long groove (31), a second fixing block (32) and a push rod (33), the push rod (33) movably penetrates through the long groove (31) and extends to the inside of the shell (1), the second fixing block (32) is fixedly connected to the inner side wall of the shell (1), and a second expansion spring (34) is fixedly connected between the second fixing block (32) and the push rod (33).

3. The circuit breaker with the novel dual power supply conversion structure of claim 1, wherein: the top of the shell (1) is movably penetrated with two pressure rods (6), and one ends of the two pressure rods (6) are fixedly connected with pressure caps (7) on the outer sides of the shell (1).

4. The circuit breaker with the novel dual power supply conversion structure of claim 1, wherein: a first wiring board (4) is fixedly connected to the inner portion of the shell (1) below the first contact (27), and a second wiring board (5) is fixedly connected to the inner portion of the shell (1) below the second contact (210).

5. The circuit breaker with the novel dual power supply conversion structure of claim 2, wherein: the long groove (31) is arranged on one side of the shell (1), and one end, extending to the interior of the shell (1), of the push rod (33) is located above the sliding plate (23).

6. The circuit breaker with the novel dual power supply conversion structure of claim 3, wherein: two the top in first fixed column (25) and second fixed column (28) is fixed connection respectively to depression bar (6) keep away from the one end of pressing cap (7), two equal fixedly connected with third expanding spring (8) between depression bar (6) and first fixed column (25) and second fixed column (28).