CN219066735U

CN219066735U - Circuit breaker with self-locking function

Info

Publication number: CN219066735U
Application number: CN202222919672.5U
Authority: CN
Inventors: 王壮; 陈娜; 程志新
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-23
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a circuit breaker with a self-locking function, which comprises a circuit breaker main body and an operating handle, wherein one side of the circuit breaker main body is provided with the operating handle, one end of the operating handle is fixedly connected with a limiting rod, one end of the circuit breaker main body is fixedly connected with a fixed shell, one end of the fixed shell is fixedly connected with an end plate, the inner side of the end plate is slidably connected with a self-locking mechanism, the self-locking mechanism comprises a supporting plate which is slidably connected with the end plate, one end of the supporting plate is fixedly connected with a supporting component, the other end of the supporting component is provided with the limiting mechanism, after the operating handle is downwards moved, the supporting plate can realize limiting locking of the limiting rod, so that the limiting rod and the operating handle cannot be mistakenly touched to move upwards, and meanwhile, other workers can be reminded of not to move the operating handle upwards through warning words on the warning plate, so that electric shock of workers and equipment damage caused by electrifying the circuit breaker are prevented.

Description

Circuit breaker with self-locking function

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a circuit breaker with a self-locking function.

Background

The electric equipment mainly refers to transformers, reactors, capacitors, switch cabinets, combined electrical appliances, circuit breakers, transformers, lightning arresters, coupling capacitors, transmission lines, power cables, grounding devices, generators, cameras, motors, closed buses, thyristors and the like.

The circuit breaker is one of the frequently used in the circuit, meanwhile, the circuit breaker is generally installed on a switch cabinet or a wall, the circuit breaker needs to be disconnected when equipment is damaged and the circuit is damaged and needs to be maintained, the currently used circuit breaker has no self-locking function on an operating handle after being disconnected, workers can re-electrify the circuit breaker under the condition that other workers are unknowing in the maintenance process, workers are easy to get electric shock and damage to other equipment, and therefore the circuit breaker with the self-locking function is provided for the problems.

Disclosure of Invention

The utility model solves the technical problems of the prior art, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a circuit breaker with self-locking function, includes circuit breaker main part and operating handle, one side of circuit breaker main part is provided with operating handle, operating handle's one end fixedly connected with gag lever post, the one end fixedly connected with fixed shell of circuit breaker main part, the one end fixedly connected with end plate of fixed shell, the inboard sliding connection of end plate has self-locking mechanism, self-locking mechanism includes the backup pad with end plate sliding connection, the one end fixedly connected with supporting component of backup pad, the other end of supporting component is provided with stop gear.

Preferably, the support assembly comprises a movable plate fixedly connected with the support plate, the movable plate is in sliding connection with the fixed shell, the other end of the movable plate is fixedly connected with a guide shaft, the guide shaft is in sliding connection with the fixed shell, a spring is arranged on the outer side of the guide shaft, two ends of the spring are fixedly connected with the fixed shell and the movable plate respectively, and the other end of the guide shaft is fixedly connected with an end head.

Preferably, a stop block is arranged at one end of the moving plate, and the stop block is fixedly connected with the fixed shell.

Preferably, the one end outside of backup pad rotates and is connected with the ball, the outside of ball rotates and is connected with the limiting plate, and limiting plate and backup pad fixed connection, the tip of limiting plate is the arc setting.

Preferably, one end fixedly connected with first magnet of fixed shell, the other end magnetism of first magnet has inhaled the second magnet, the outside fixedly connected with warning board of second magnet, and the second electromagnetism runs through the warning board, the warning word appearance of "equipment maintenance, do not close" is write to one side of warning board.

Preferably, the stop gear includes the urceolus with fixed shell fixed connection, the inboard screwed connection of urceolus has the rotary drum, the other end fixedly connected with apron of rotary drum, and apron and guiding axle sliding connection, the inboard fixedly connected with pin of rotary drum, and the pin sets up in one side of end.

Compared with the prior art, the utility model has the following beneficial effects:

1. a circuit breaker with self-locking function, through the first magnet, warning board, gag lever post, fixed shell, end plate, backup pad, ball, guiding axle and spring that set up, operating handle dials down the back down, and the backup pad can realize the spacing locking to the gag lever post, makes gag lever post and operating handle can not receive the mistake to touch and upwards move, can remind other staff to dial operating handle through warning language above the warning board simultaneously, prevents that the circuit breaker circular telegram from leading to the staff to electrocute and cause the damage of equipment.

2. A circuit breaker with self-locking function comprises a cover plate, a rotary drum, a stop lever, an end head and an outer cylinder; the movable plate can be prevented from being removed from one side of the limiting rod due to false touch under the action of the stop lever, so that the phenomenon that the main body of the circuit breaker is electrified due to false touch of the limiting rod and the operating handle is further prevented.

Drawings

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a schematic diagram of the overall structure of a circuit breaker with self-locking function according to the present utility model.

Fig. 2 is a schematic top view of a circuit breaker with self-locking function according to the present utility model.

Fig. 3 is a schematic view of an installation structure of a ball of a circuit breaker with a self-locking function according to the present utility model.

Fig. 4 is a schematic diagram of an installation structure of a moving plate of a circuit breaker with a self-locking function according to the present utility model.

Fig. 5 is a schematic diagram of an installation structure of a second magnet of the circuit breaker with a self-locking function according to the present utility model.

In the figure: 1. a breaker main body; 2. an operation handle; 3. a limit rod; 4. a fixed case; 5. an end plate; 6. a stop block; 7. a moving plate; 8. a support plate; 9. a limiting plate; 10. a ball; 11. a guide shaft; 12. a spring; 13. a cover plate; 14. a rotating drum; 15. a stop lever; 16. an end head; 17. an outer cylinder; 18. a first magnet; 19. a warning board; 20. and a second magnet.

Detailed Description

The present utility model will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present utility model, and in order to better explain the detailed description of the utility model, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the utility model based on the detailed description of the present utility model.

In order that the technical means, the creation characteristics, achievement of the objects and effects of the present utility model may be easily understood, it is to be noted that in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, the present utility model will be further elucidated in connection with the specific embodiments below.

Examples

As shown in fig. 1-5, a circuit breaker with self-locking function, including circuit breaker main part 1 and operating handle 2, one side of circuit breaker main part 1 is provided with operating handle 2, the one end fixedly connected with gag lever post 3 of operating handle 2, the one end fixedly connected with fixed shell 4 of circuit breaker main part 1, the one end fixedly connected with end plate 5 of fixed shell 4, the inboard sliding connection of end plate 5 has self-locking mechanism, self-locking mechanism includes the backup pad 8 with end plate 5 sliding connection, the one end fixedly connected with supporting component of backup pad 8, the other end of supporting component is provided with stop gear, and operating handle 2 is dialled down the back down, and backup pad 8 can realize the spacing locking to gag lever post 3, makes gag lever post 3 and operating handle 2 can not receive the mistake and touch and upwards move.

As a further improvement of the present utility model, as shown in fig. 4, the supporting assembly includes a moving plate 7 fixedly connected with a supporting plate 8, and the moving plate 7 is slidably connected with a fixed shell 4, the other end of the moving plate 7 is fixedly connected with a guiding shaft 11, and the guiding shaft 11 is slidably connected with the fixed shell 4, a spring 12 is disposed on the outer side of the guiding shaft 11, two ends of the spring 12 are respectively fixedly connected with the fixed shell 4 and the moving plate 7, and the other end of the guiding shaft 11 is fixedly connected with a tip 16, so that the moving plate 7 can move to one side of the limiting rod 3 with the supporting plate 8 under the action of the elastic force of the spring 12.

As a further improvement of the present utility model, as shown in fig. 4, a stop block 6 is disposed at one end of the moving plate 7, and the stop block 6 is fixedly connected with the fixed housing 4, and limiting of the moving plate 7 can be achieved through the stop block 6.

As a further improvement of the present utility model, as shown in fig. 3 and 4, a ball 10 is rotatably connected to the outer side of one end of the supporting plate 8, a limiting plate 9 is rotatably connected to the outer side of the ball 10, the limiting plate 9 is fixedly connected to the supporting plate 8, the end of the limiting plate 9 is arc-shaped, and friction force between the limiting rod 3 and the limiting plate 9 can be reduced through the ball 10, so that the limiting rod 3 can conveniently squeeze the limiting plate 9 and the supporting plate 8, and the limiting rod 3 can conveniently move to the other side of the limiting plate 9.

As a further improvement of the utility model, as shown in fig. 4, one end of the fixed housing 4 is fixedly connected with a first magnet 18, the other end of the first magnet 18 is magnetically attracted with a second magnet 20, the outer side of the second magnet 20 is fixedly connected with a warning plate 19, the second magnet 20 penetrates through the warning plate 19, a warning word of 'equipment maintenance and no closing' is written on one side of the warning plate 19, and meanwhile, other workers can be reminded of not pulling up the operating handle 2 through a warning word on the warning plate 19, so that the electric shock of the workers and the damage to equipment caused by the energizing of the breaker main body 1 are prevented.

As a further improvement of the utility model, as shown in fig. 1-4, the limiting mechanism comprises an outer cylinder 17 fixedly connected with the fixed shell 4, the inner side of the outer cylinder 17 is spirally connected with a rotary cylinder 14, the other end of the rotary cylinder 14 is fixedly connected with a cover plate 13, the cover plate 13 is slidably connected with a guide shaft 11, the inner side of the rotary cylinder 14 is fixedly connected with a stop lever 15, the stop lever 15 is arranged on one side of the end 16, and the movable plate 9 can not be removed from one side of the limiting rod 3 due to false touch under the action of the stop lever 15, so that the phenomenon that the limiting rod 3 and the operating handle 2 are electrified due to false touch is further ensured.

The working flow is as follows: when the breaker main body 1 is in a normal power-on state, the rotary drum 14 is rotated anticlockwise, the rotary drum 14 moves along with the stop lever 15 in a direction away from the end 16 until the cover plate 13 is attached to the end 16, so that the stop lever 15 can not influence the movement of the end 16 and the guide shaft 11, one side of a 'equipment maintenance and do not switch on' character carried by the warning plate 19 can be attached to the fixed shell 4 when the breaker main body 1 is in normal use, the equipment and/or circuit maintenance is needed to be hidden, after the operator dials down the operating handle 2 of the breaker main body 1, the operating handle 2 can push the limiting plate 9 and the support plate 8 along with the limiting rod 3 through the balls 10, so that the limiting plate 9 and the support plate 8 move along the direction away from the vertical center line of the breaker main body 1 along the fixed shell 4, the limiting rod 3 passes through the limiting plate 9 and the supporting plate 8, then the moving plate 7 moves along the supporting plate 8 and the limiting plate 9 in the direction close to the vertical center of the breaker main body 1 under the action of the elastic force of the spring 12, the supporting plate 8 is positioned at one side of the limiting rod 3, the interference of the limiting rod 3 is realized through the supporting plate 8, the movement of the limiting rod 3 is prevented, meanwhile, a worker rotates the rotary drum 14 clockwise, the rotary drum 14 moves along the direction close to the end 16 with the stop lever 15, the stop lever 15 is attached to the end 16, the limiting fixation of the end cover 16 is realized through the stop lever 15, the movement of the end cover 16 is prevented, the guide shaft 11, the moving plate 7 and the supporting plate 8 can be prevented from moving due to false touch, meanwhile, the first magnet 18 and the second magnet 19 are magnetically attracted together, the warning character with 'equipment maintenance and no closing' is exposed to the outside, other staff can be reminded through the warning sign on the warning board 19 and the operating handle 2 is not dialled, prevent that the circuit breaker main part 1 from switching on and lead to the staff to electrocute and cause the damage of equipment, simultaneously when circuit breaker main part 1 when the inboard of cubical switchboard is used, through the self-locking function between gag lever post 3 and the backup pad 8, also can prevent that the staff from appearing the phenomenon emergence that the mistake touches operating handle 2 and lead to circuit breaker main part 1 to switch on when the operation of narrow space in the cubical switchboard.

While there have been shown and described what are at present considered to be preferred embodiments of the utility model, it will be understood by those skilled in the art that the foregoing and various other changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a circuit breaker with self-locking function, includes circuit breaker main part (1) and operating handle (2), its characterized in that: one side of circuit breaker main part (1) is provided with operating handle (2), the one end fixedly connected with gag lever post (3) of operating handle (2), the one end fixedly connected with fixed shell (4) of circuit breaker main part (1), the one end fixedly connected with end plate (5) of fixed shell (4), the inboard sliding connection of end plate (5) has self-locking mechanism, self-locking mechanism includes backup pad (8) with end plate (5) sliding connection, the one end fixedly connected with supporting component of backup pad (8), the other end of supporting component is provided with stop gear.

2. The circuit breaker with self-locking function of claim 1, wherein: the support assembly comprises a movable plate (7) fixedly connected with a support plate (8), the movable plate (7) is in sliding connection with a fixed shell (4), the other end of the movable plate (7) is fixedly connected with a guide shaft (11), the guide shaft (11) is in sliding connection with the fixed shell (4), a spring (12) is arranged on the outer side of the guide shaft (11), two ends of the spring (12) are respectively fixedly connected with the fixed shell (4) and the movable plate (7), and an end head (16) is fixedly connected with the other end of the guide shaft (11).

3. A circuit breaker with self-locking function according to claim 2, characterized in that: one end of the moving plate (7) is provided with a stop block (6), and the stop block (6) is fixedly connected with the fixed shell (4).

4. The circuit breaker with self-locking function of claim 1, wherein: the utility model discloses a ball bearing device, including backup pad (8), ball bearing (10), limiting plate (9), backup pad (8) fixed connection, the one end outside rotation of backup pad (8) is connected with ball (10), the outside rotation of ball (10) is connected with limiting plate (9), and the tip of limiting plate (9) is the arc setting.

5. A circuit breaker with self-locking function according to claim 2, characterized in that: one end fixedly connected with first magnet (18) of fixed casing (4), second magnet (20) have been inhaled to the other end magnetism of first magnet (18), the outside fixedly connected with warning board (19) of second magnet (20), and second magnet (20) run through warning board (19), the warning word appearance of "equipment maintenance, do not close" is write to one side of warning board (19).

6. The circuit breaker with self-locking function of claim 1, wherein: the limiting mechanism comprises an outer cylinder (17) fixedly connected with the fixed shell (4), a rotary cylinder (14) is spirally connected to the inner side of the outer cylinder (17), a cover plate (13) is fixedly connected to the other end of the rotary cylinder (14), the cover plate (13) is slidably connected with the guide shaft (11), a stop lever (15) is fixedly connected to the inner side of the rotary cylinder (14), and the stop lever (15) is arranged on one side of the end head (16).