Magnetic control circuit breaker with quick switching-on function

Abstract

The utility model relates to the technical field of magnetic control circuit breakers, and discloses a magnetic control circuit breaker with a rapid closing function, which comprises a box body, the side wall of the box body is rotatably connected with a box cover, the top of the box cover is fixedly connected with a clamping ring, the top of the box body is fixedly connected with a fixing frame, and a clamping assembly is arranged in the fixing frame. A connecting assembly is arranged in the box body, the connecting assembly is used for being connected with a pole column, the clamping assembly comprises a sliding block, the sliding block is slidably connected into the fixing frame, an inclined groove is formed in the sliding block, a pushing column is slidably connected into the sliding block, a pushing shaft is fixedly connected to the top end of the pushing column, and the pushing shaft is fixedly connected to the top end of the pushing column. And the push shaft is connected into the chute in a sliding manner. According to the utility model, through the cooperation of the fixing frame, the sliding block, the fixing column and other structures, the box body can be conveniently opened and closed, maintenance personnel can start maintenance work in the shortest time, the troubleshooting speed is improved, and the production interruption time caused by equipment faults is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetically controlled circuit breakers, in particular to a magnetically controlled circuit breaker with a fast closing function. Background Art

[0002] A magnetically controlled circuit breaker is a switching device that uses electromagnetic principles to disconnect circuits. It primarily opens and closes circuits by controlling a magnetic field. It consists of a movable iron core and a fixed coil. When the coil is energized, it generates a magnetic field that attracts or repels the iron core, thereby closing or opening the circuit breaker. In the closed state, the magnetic field generated by the current in the coil holds the iron core in the closed position, ensuring the circuit remains conductive. To disconnect the circuit, the control system shuts off the current in the coil, dissipating the magnetic field. A spring or other mechanical force causes the iron core to rapidly move to the disconnected position, effectively disconnecting the circuit.

[0003] In traditional magnetically controlled circuit breakers, the pole is a key component and typically houses a vacuum interrupter. This chamber rapidly extinguishes the arc through a high vacuum environment when the circuit breaker interrupts current, ensuring reliable circuit disconnection. The housing primarily supports, protects, and secures the internal components. Typically constructed from materials such as cast aluminum, it offers excellent mechanical strength and protection against external influences such as mechanical shock, dust, and moisture. The housing design also needs to consider factors such as heat dissipation and ventilation to ensure that heat generated during operation is dissipated promptly.

[0004] However, in order to ensure the sealing of the box, traditional magnetically controlled circuit breakers usually use seals such as rubber sealing rings. However, if the size of the seal is not designed properly or it is installed too tightly, it will generate a large friction when opening the box, making it difficult to open the box easily. Moreover, after long-term use, the seals may age and deform, further increasing the difficulty of opening and closing. The cumbersome opening and closing of the box makes it difficult to maintain and repair the internal part of the circuit breaker. When regular maintenance or troubleshooting of the circuit breaker is required, the staff needs to spend a lot of time and energy on opening and closing the box, which reduces work efficiency and increases maintenance costs. Moreover, frequent opening and closing operations may cause damage to the box and internal components, shortening the service life of the circuit breaker. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a magnetically controlled circuit breaker with a fast closing function, aiming to improve the problem that the box of traditional magnetically controlled circuit breakers usually uses seals such as rubber sealing rings, and the box opening and closing is cumbersome, making maintenance and inspection work inside the circuit breaker difficult.

[0006] To achieve the above-mentioned object, the present invention adopts the following technical solution: a magnetically controlled circuit breaker with a rapid closing function, comprising a box body, a box cover rotatably connected to the side wall of the box body, a clamping ring fixedly connected to the top of the box cover, a fixing frame fixedly connected to the top of the box body, a locking assembly provided inside the fixing frame, a connecting assembly provided inside the box body, and the connecting assembly being used to connect to the pole;

[0007] The locking assembly includes a slider, which is slidably connected to the inside of the fixed frame, an oblique groove is opened inside the slider, a push column is slidably connected to the inside of the slider, the top of the push column is fixedly connected to a push shaft, and the push shaft is slidably connected to the inside of the oblique groove, a plurality of tension springs are arranged between the slider and the fixed frame, a fixing column is fixedly connected to the side wall of the slider, and a clamping shaft is fixedly connected to one end of the fixing column.

[0008] Furthermore, the connection assembly includes a pole support, and a plurality of the pole support are fixedly connected to the interior of the box.

[0009] Furthermore, a plurality of side plates are fixedly connected to the side walls of the pole support, and baffles are provided on the side walls of the side plates.

[0010] Furthermore, a damping rod is provided between the baffle and the side plates, and a connecting column is fixedly connected between the side plates.

[0011] Furthermore, a plurality of sliding rings are slidably connected to the outer wall of the connecting column, and a spring is sleeved on the outer wall of the connecting column.

[0012] Furthermore, the spring is arranged between the springs, and the side wall of the baffle is fixedly connected with a plurality of turntables 2.

[0013] Furthermore, the side walls of the slip ring are fixedly connected to a turntable 1, and one side wall of the turntable is rotatably connected to a connecting rod.

[0014] Furthermore, the other end of the connecting rod is rotatably connected to the second side wall of the turntable, and the turntable 1 is bilaterally symmetrical with respect to the connecting column.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, first, the push column is moved into the slider after being pushed, and the push shaft on the top of the push column will also move with it. The push shaft slides in the inclined groove inside the slider, and due to the trajectory constraint of the push shaft, the slider will be pushed to the left. During the displacement of the slider inside the fixed frame, it will synchronously drive the fixed column on its side wall to move, and then drive the clamping shaft to slide out from the inside of the clamping ring, releasing the clamping state between the box cover and the box body. The convenient opening and closing of the box body allows maintenance personnel to start maintenance work in the shortest time, improves the speed of troubleshooting, and reduces production interruption time caused by equipment failure.

[0017] 2. In the utility model, the baffle first pushes the turntable 2 on its side wall to move toward the pole support, and buffers it through multiple damping rods. During the displacement process, the turntable 2 will drive multiple connecting rods on its side wall to rotate and change the inclination angle. While the connecting rods rotate, they will push the turntable 1. After being forced, the turntable 1 further pushes the slip ring, which can slide on the outer wall of the connecting column. The displacement of the slip ring can achieve multiple transfers of the impact force, and the springs between the slip rings can achieve the reset and further buffering of the slip ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of the magnetically controlled circuit breaker with a fast closing function proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the fixing frame structure of the magnetically controlled circuit breaker with a fast closing function proposed in the present invention;

[0020] Figure 3 This is a schematic diagram of the baffle structure of the magnetically controlled circuit breaker with a fast closing function proposed by the present invention.

[0021] Legend:

[0022] 1. Box body; 2. Snap ring; 3. Fixed bracket; 4. Slider; 5. Inclined groove; 6. Push column; 7. Push shaft; 8. Tension spring; 9. Fixed column; 10. Clamping shaft; 11. Box cover; 12. Pole support; 13. Side plate; 14. Connecting column; 15. Spring; 16. Slip ring; 17. Turntable 1; 18. Baffle; 19. Connecting rod; 20. Turntable 2; 21. Damping rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1 - Figure 2 The utility model provides an embodiment of a magnetically controlled circuit breaker with a fast closing function, comprising a box body 1, which provides dust and water protection for internal structures such as poles. The side wall of the box body 1 is rotatably connected to a box cover 11, and a clamping ring 2 is fixedly connected to the top of the box cover 11. The clamping ring 2 can realize rotation locking of the box cover 11. The top of the box body 1 is fixedly connected to a fixing frame 3, and a clamping assembly is provided inside the fixing frame 3. A connecting assembly is provided inside the box body 1, and the connecting assembly is used to connect the poles.

[0025] The locking assembly includes a slider 4. The horizontal sliding of the slider 4 drives the displacement of the side wall fixing column 9. The slider 4 is slidably connected to the inside of the fixing frame 3. An inclined groove 5 is opened inside the slider 4. The inclination of the inclined groove 5 can drive the slider 4 to move when pushed by the push shaft 7. The slider 4 is slidably connected to the push column 6. The top of the push column 6 is fixedly connected to the push shaft 7. The push shaft 7 is slidably connected to the inside of the inclined groove 5. A plurality of tension springs 8 are arranged between the slider 4 and the fixing frame 3. The tension springs 8 ensure the reset of the slider 4 and the stable position of the fixing column 9 and will not slip off easily. The side wall of the slider 4 is fixedly connected to the fixing column 9, and one end of the fixing column 9 is fixedly connected to the card shaft 10.

[0026] Specifically, first, when it is necessary to maintain the pole inside the box body 1, the push post 6 can be pushed. After being pushed, the push post 6 will be displaced toward the inside of the slider 4. At the same time, the push shaft 7 on the top of the push post 6 will also move with the push post 6. The push shaft 7 will slide in the inclined groove 5 inside the slider 4, and because the trajectory of the push shaft 7 is constrained by the inclined groove 5, the slider 4 will be pushed to the left. In the process of the slider 4 displacing inside the fixed frame 3, it will synchronously drive the fixed column 9 on its side wall to displace, and then drive the clamping shaft 10 to slide out from the inside of the clamping ring 2, thereby releasing the engagement state between the box cover 11 and the box body 1. The box body 1 that is easy to open and close allows maintenance personnel to start maintenance work in a relatively short time, which improves the speed of troubleshooting to a certain extent and reduces the production interruption time caused by equipment failure.

[0027] Reference Figure 3 The connection assembly includes a pole support 12, multiple pole supports 12 are fixedly connected to the inside of the box 1, the side walls of the pole support 12 are fixedly connected with multiple side plates 13, the side plates 13 maintain the stability of the connecting column 14, the side walls of the side plates 13 are provided with baffles 18, the baffles 18 are directly subjected to the impact force, a damping rod 21 is provided between the baffles 18 and the side plates 13, the damping rod 21 provides the first weight buffering and shock absorption, the side plates 13 are fixedly connected with the connecting column 14, and the outer wall of the connecting column 14 is slidably connected with multiple slip rings 1 6. The sliding of the slip ring 16 on the outer wall of the connecting column 14 disperses the impact force. The outer wall of the connecting column 14 is sleeved with a spring 15. The spring 15 ensures the reset of the slip ring 16. The spring 15 is arranged between the springs 15. The side wall of the baffle 18 is fixedly connected to multiple turntables 20. The side walls of the slip ring 16 are all fixedly connected to turntables 17. The side walls of turntables 17 are rotatably connected to connecting rods 19. The other end of the connecting rod 19 is rotatably connected to the side wall of turntable 20. Turntables 17 are symmetrical with respect to the connecting column 14.

[0028] Specifically, when the pole support 12 is subjected to external force vibration, the baffle 18 will first bear the impact force. At this time, the baffle 18 will push the turntable 2 20 on its side wall to displace in the direction of the pole support 12, and buffer it through multiple damping rods 21. During the displacement of the turntable 20, it will drive the multiple connecting rods 19 on its side wall to rotate, and at the same time change the inclination angle of the connecting rod 19. While rotating, the connecting rod 19 will push the turntable 17. After being subjected to force, the turntable 17 will further push the slip ring 16. The slip ring 16 can slide on the outer wall of the connecting column 14. The displacement of the slip ring 16 can realize multiple transfers of the impact force, and through the spring 15 between the slip rings 16, the slip ring 16 can be reset and further buffered.

[0029] Working principle: First, when the pole inside the box body 1 needs to be maintained, push the push post 6. After being pushed, the push post 6 moves into the slider 4, and the push shaft 7 on the top of the push post 6 will also move. The push shaft 7 slides in the inclined groove 5 inside the slider 4, and due to the trajectory constraint of the push shaft 7, the slider 4 will be pushed to the left. During the displacement of the slider 4 inside the fixed frame 3, it will synchronously drive the fixed column 9 on its side wall to move, and then drive the card shaft 10 to slide out from the inside of the clamping ring 2, releasing the engagement state between the box cover 11 and the box body 1. The convenient opening and closing of the box body 1 allows maintenance personnel to start maintenance work in the shortest time, improve the speed of troubleshooting, and reduce the life caused by equipment failure. During the production interruption time, when the pole support 12 is subjected to external force vibration, the baffle 18 will first be subjected to the impact force, and the baffle 18 will first push the turntable 20 on its side wall to move toward the pole support 12, and buffer it through multiple damping rods 21. During the displacement process, the turntable 20 will drive the multiple connecting rods 19 on its side wall to rotate and change the inclination angle. While the connecting rod 19 rotates, it will push the turntable 17. After being subjected to force, the turntable 17 will further push the slip ring 16, and the slip ring 16 can slide on the outer wall of the connecting column 14. The displacement of the slip ring 16 can realize multiple transfers of the impact force, and the slip ring 16 can be reset and further buffered by the spring 15 between the slip rings 16.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A magnetically controlled circuit breaker with a fast closing function, comprising a housing (1), characterized in that: The side wall of the box body (1) is rotatably connected to a box cover (11), the top of the box cover (11) is fixedly connected to a snap ring (2), the top of the box body (1) is fixedly connected to a fixing frame (3), a snap assembly is provided inside the fixing frame (3), and a connecting assembly is provided inside the box body (1), and the connecting assembly is used to connect the pole; The engaging assembly includes a slider (4), the slider (4) is slidably connected to the inside of the fixing frame (3), an inclined groove (5) is provided inside the slider (4), a push column (6) is slidably connected to the inside of the slider (4), a push shaft (7) is fixedly connected to the top of the push column (6), and the push shaft (7) is slidably connected to the inside of the inclined groove (5), a plurality of tension springs (8) are provided between the slider (4) and the fixing frame (3), a fixed column (9) is fixedly connected to the side wall of the slider (4), and a clamping shaft (10) is fixedly connected to one end of the fixed column (9).

2. The magnetically controlled circuit breaker with a fast closing function according to claim 1, characterized in that: The connection assembly comprises a pole support (12), and a plurality of the pole support (12) are fixedly connected inside the box (1).

3. The magnetically controlled circuit breaker with a fast closing function according to claim 2, characterized in that: A plurality of side plates (13) are fixedly connected to the side walls of the pole support (12), and baffles (18) are provided on the side walls of the side plates (13).

4. The magnetically controlled circuit breaker with a fast closing function according to claim 3, characterized in that: A damping rod (21) is provided between the baffle (18) and the side plate (13), and a connecting column (14) is fixedly connected between the side plates (13).

5. The magnetically controlled circuit breaker with a fast closing function according to claim 4, characterized in that: The outer wall of the connecting column (14) is slidably connected to a plurality of sliding rings (16), and the outer wall of the connecting column (14) is sleeved with a spring (15).

6. The magnetically controlled circuit breaker with a fast closing function according to claim 5, characterized in that: The springs (15) are arranged between the springs (15), and the side walls of the baffle (18) are fixedly connected with a plurality of turntables (20).

7. The magnetically controlled circuit breaker with a fast closing function according to claim 6, characterized in that: The side walls of the slip ring (16) are fixedly connected to a turntable (17), and the side walls of the turntable (17) are rotatably connected to a connecting rod (19).

8. The magnetically controlled circuit breaker with a fast closing function according to claim 7, characterized in that: The other end of the connecting rod (19) is rotatably connected to the side wall of the second turntable (20), and the first turntable (17) is bilaterally symmetrical relative to the connecting column (14).

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