Power limiting circuit breaker for circuit protection

Abstract

The invention discloses a power limiting circuit breaker for circuit protection, and relates to the technical field of circuit breakers. Comprising a mounting base mounted on a wall, a plurality of clamping grooves are formed in the upper side of the mounting base, a mounting plate is arranged on the inner sides of the clamping grooves, a circuit breaker body is fixedly connected to the upper side of the mounting plate, a loudspeaker is fixedly connected to the front side of the circuit breaker body, and an alarm lamp is fixedly connected to the upper side of the circuit breaker body. And a mounting unit is arranged on the upper side of the mounting seat. According to the power limiting circuit breaker for circuit protection, the clamping groove, the mounting plate, the guide plate, the guide block, the connecting plate, the limiting plates I and the bidirectional screw are arranged, so that a worker can conveniently rotate the bidirectional screw to control the limiting plates I on the two sides to quickly mount and dismount the circuit breaker main body, the operation is simple, and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit breakers, in particular to a power limiting circuit breaker for circuit protection. BACKGROUND

[0002] A circuit breaker refers to a switching device that can close, carry and open the current under normal circuit conditions and can close, carry and open the current under abnormal circuit conditions within a specified time.

[0003] When the power of external electrical appliances is large, the circuit is generally automatically cut off for protection. In the prior art, some circuit breakers are provided with a loudspeaker and an alarm lamp mounted on the main body for warning the operator. The loudspeaker and the alarm lamp are assembled with the circuit breaker body. When installing the circuit breaker body, the operator generally installs the circuit breaker body on the wall by means of bolts. This fixing method requires the operator to use tools to disassemble the circuit breaker body when the loudspeaker and the alarm lamp on the circuit breaker body need to be repaired or replaced. The bolt assembly method requires the bolt to be aligned with the screw hole one by one, and multiple bolts are required for assembly, which is troublesome. The disassembly tool is not normally carried, so that the repair and installation of the circuit breaker body and the loudspeaker and the alarm lamp are not convenient. Therefore, the present application provides a power limiting circuit breaker for circuit protection to solve the above technical problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a power limiting circuit breaker for circuit protection, which solves the problems mentioned in the background art.

[0005] To achieve the above purpose, the present application is realized by the following technical scheme:

[0006] A power limiting circuit breaker for circuit protection, comprising a mounting seat mounted on a wall, a plurality of clamping grooves are formed on the upper side of the mounting seat, an installation plate is arranged on the inner side of the clamping groove, a circuit breaker body is fixedly connected to the upper side of the installation plate, a loudspeaker is fixedly connected to the front side of the circuit breaker body, an alarm lamp is fixedly connected to the upper side of the circuit breaker body, and an installation unit is arranged on the upper side of the mounting seat.

[0007] The mounting unit comprises guide plates fixedly connected to the upper side of the mounting seat and located on the left and right sides of the mounting plate, guide blocks slidably connected to the outer sides of the left and right guide plates, connecting plates fixedly connected to the outer sides of the guide blocks, fixed rods fixedly connected to the side of the connecting plate close to the circuit breaker body, moving plates fixedly connected to the outer ends of the fixed rods, moving rods provided on the outer side of the moving plate, limit plates one fixedly connected to the end of the moving rod close to the circuit breaker body, control plates fixedly connected to the other end of the moving rod, springs fixedly connected between the control plate and the moving plate, rear blocks fixedly connected to the rear sides of the left and right guide blocks, a plurality of fixed blocks fixedly connected to the upper side of the mounting seat, and a bidirectional screw rod rotatably connected between the two fixed blocks.

[0008] Preferably, vertical plates are fixedly connected to the upper sides of the front and rear ends of the moving plate, lifting grooves are formed in the outer sides of the left and right vertical plates, lifting blocks are slidably connected to the inner sides of the lifting grooves, a lifting plate is fixedly connected between the left and right lifting blocks, a pressing plate is fixedly connected to the side of the lifting plate close to the circuit breaker body, a rotating block one is fixedly connected to the other side of the lifting plate, an inclined plate one is rotatably connected to the outer side of the rotating block one, a rotating block two is fixedly connected to the upper side of the control plate, and the rotating block two is rotatably connected with the inclined plate one.

[0009] Preferably, the moving rod is slidably connected with the moving plate.

[0010] Preferably, the two ends of the bidirectional screw rod are provided with opposite threads, the two ends of the bidirectional screw rod are threadedly connected with the left and right rear blocks respectively, and the outer ends of the bidirectional screw rod pass through the outer sides of the fixed blocks and are fixedly connected with rotating handles.

[0011] Preferably, rotating blocks three are fixedly connected to the sides of the left and right rear blocks close to the circuit breaker body, inclined plates two are shaft-rotatably connected to the outer sides of the left and right rotating blocks three, rotating blocks four are rotatably connected to the outer sides of the inclined plates two, pressing blocks are fixedly connected to the front sides of the rotating blocks four, a fixed plate is fixedly connected to the upper side of the mounting seat, and an extension rod is fixedly connected between the fixed plate and the pressing blocks.

[0012] Preferably, top blocks one and two are fixedly connected to the upper side of the pressing block, a rotating shaft one is rotatably connected to the outer side of the top block one, a rotating shaft two is rotatably connected to the outer side of the top block two, a limit plate two is fixedly connected to the outer side of the rotating shaft one, a stable block is fixedly connected to the upper side of the limit plate two, a gear two is fixedly connected to one end of the rotating shaft two, a rotating disc is fixedly connected to the other end of the rotating shaft two, a gear one meshingly connected with the gear two is fixedly connected to the outer end of the rotating shaft one, a control block is fixedly connected to the outer side of the rotating disc, a U-shaped groove is formed in the upper side of the control block, an inclined plate three is rotatably connected to the inner side of the U-shaped groove, a connecting block is fixedly connected to the upper side of the fixed plate, and the connecting block is rotatably connected with the inclined plate three.

[0013] Preferably, the stabilizing block is located on the upper side of the circuit breaker body.

[0014] Preferably, the mounting plate is adapted to the clamping groove.

[0015] Advantages

[0016] The present application provides a power limiting circuit breaker for circuit protection. Compared with the prior art, the following advantages are achieved:

[0017] (1) The power limiting circuit breaker for circuit protection, by being provided with a clamping groove, a mounting plate, a guide plate, a guide block, a connecting plate, a limiting plate one and a bidirectional screw rod, facilitates the worker to control the limiting plate one on both sides to quickly install and dismount the circuit breaker body by rotating the bidirectional screw rod, and the operation is simple and convenient for maintenance of the loudspeaker and the alarm lamp.

[0018] (2) The power limiting circuit breaker for circuit protection, by being provided with a moving plate, a vertical plate, a lifting block, a lifting plate, a pressing plate and an inclined plate one, facilitates the pressing plate to press down the upper side of the circuit breaker body when the limiting plate one limits the circuit breaker body, and increases the stability of the installation of the circuit breaker body.

[0019] (3) The power limiting circuit breaker for circuit protection, by being provided with an inclined plate two, a pressing block, a limiting plate two, a stabilizing block, a rotating disc and a limiting plate three, facilitates the stabilizing block to press down the circuit breaker body when the circuit breaker body is installed, and the pressing block limits the circuit breaker body again, enhances the stability of the installation of the circuit breaker body, and only needs to rotate the handle to realize multiple fixing operations, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a whole perspective view of the present application;

[0021] Figure 2 is a partial perspective view of the present application;

[0022] Figure 3 is Figure 2 is an enlarged view of A in FIG. 1;

[0023] Figure 4 is a perspective view of the mounting unit in the present application;

[0024] Figure 5 is a partial perspective view of the mounting unit in the present application;

[0025] Figure 6 is another partial perspective view of the mounting unit in the present application;

[0026] Figure 7It is the stereogram of the limiting plate two in the application;

[0027] Figure 8 It is Figure 7 The enlarged view at B in the middle.

[0028] In the figure: 1, mounting seat; 2, clamping groove; 3, mounting unit; 4, mounting plate; 5, circuit breaker main body; 6, loudspeaker; 7, alarm lamp; 301, guide plate; 302, guide block; 303, connecting plate; 304, fixed rod; 305, moving plate; 306, moving rod; 307, limiting plate one; 308, control plate; 309, spring; 310, vertical plate; 311, lifting groove; 312, lifting block; 313, lifting plate; 314, pressing plate; 315, rotating block one; 316, inclined plate one; 317, rotating block two; 318, rear block; 319, bidirectional screw rod; 320, fixed block; 321, rotating handle; 322, rotating block three; 323, inclined plate two; 324, rotating block four; 325, pressing block; 326, fixed plate; 327, telescopic rod; 328, top block one; 329, rotating shaft one; 330, limiting plate two; 331, stabilizing block; 332, gear one; 333, top block two; 334, rotating shaft two; 335, gear two; 336, rotating disc; 337, control block; 338, U-shaped groove; 339, inclined plate three; 340, connecting block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0030] Embodiment one

[0031] Please refer to Figure 1 - Figure 5The application provides the following technical scheme: a power limiting circuit breaker for circuit protection, which comprises a mounting seat 1 mounted on a wall, the mounting seat 1 can be mounted on an external wall through expansion bolts, the mounting seat 1 does not need to be disassembled during maintenance, a plurality of clamping grooves 2 are formed in the upper side of the mounting seat 1, an installation plate 4 is arranged on the inner side of the clamping groove 2, the upper side of the installation plate 4 is fixedly connected with a circuit breaker main body 5, the front side of the circuit breaker main body 5 is fixedly connected with a loudspeaker 6, the upper side of the circuit breaker main body 5 is fixedly connected with an alarm lamp 7, the loudspeaker 6 and the alarm lamp 7 are prior art, an installation unit 3 is arranged on the upper side of the mounting seat 1, the installation plate 4 and the clamping groove 2 are adaptively arranged, wherein the installation plate 4 is adapted to the clamping groove 2, the circuit breaker main body 5 is conveniently positioned and installed through the installation unit 3, and the loudspeaker 6 and the alarm lamp 7 are convenient for alarming during feather flaw detection.

[0032] The mounting unit 3 comprises guide plates 301 fixedly connected to the upper side of the mounting base 1 and located on the left and right sides of the mounting plate 4, outer sides of the left and right guide blocks 302 are slidably connected with the outer sides of the guide blocks 302, outer sides of the connecting plates 303 are fixedly connected with the connecting plates 303, one side of the connecting plates 303 close to the circuit breaker body 5 is fixedly connected with the fixed rods 304, outer ends of the fixed rods 304 are fixedly connected with the moving plates 305, outer sides of the moving plates 305 are provided with moving rods 306, one end of the moving rods 306 close to the circuit breaker body 5 is fixedly connected with a limiting plate one 307, the other end of the moving rods 306 is fixedly connected with a control plate 308, the control plate 308 and the moving plate 305 are fixedly connected with springs 309, rear sides of the left and right guide blocks 302 are fixedly connected with rear blocks 318, the upper side of the mounting base 1 is fixedly connected with a plurality of fixed blocks 320, the two fixed blocks 320 are rotatably connected with a bidirectional screw rod 319, the moving rod 306 is slidably connected with the moving plate 305, the two ends of the bidirectional screw rod 319 are provided with opposite threads, the two ends of the bidirectional screw rod 319 are threadedly connected with the left and right rear blocks 318 respectively, the outer end of the bidirectional screw rod 319 penetrates through the outer side of the fixed block 320 and is fixedly connected with a handle 321, when the circuit breaker body 5 is mounted, first, the mounting plate 4 on the circuit breaker body 5 is placed in the clamping groove 2 for preliminary limiting, then the handle 321 is rotated to drive the bidirectional screw rod 319 to rotate, the bidirectional screw rod 319 drives the left and right rear blocks 318 to move close to each other, the rear blocks 318 drive the guide blocks 302 to move, the guide blocks 302 drive the connecting plates 303 to move, the connecting plates 303 drive the fixed rods 304 to move, the fixed rods 304 drive the moving plates 305 to move, the moving plates 305 drive the limiting plate one 307 to move, so that the left and right limiting plate one 307 move close to the circuit breaker body 5, so that the left and right sides of the circuit breaker body 5 are limited, at the same time, the moving plate 305 moves to the upper side of the mounting plate 4, so that the mounting plate 4 is limited, the circuit breaker body 5 is limited again, the stability of mounting is increased, when the limiting plate one 307 contacts the circuit breaker body 5, the moving plate 305 continues to move under the action of the moving rod 306, so that the control plate 308 on the moving rod 306 moves close to the connecting plate 303, when the connecting plate 303 moves to be blocked at the connecting plate 303, the limiting plate one 307 is limited, the mounting of the circuit breaker body 5 is completed, when disassembled, the handle 321 is reversely rotated, the operation is simple, the circuit breaker body 5 is convenient to overhaul.

[0033] The upper side of the front and rear ends of the moving plate 305 is fixedly connected with the vertical plate 310, the outer side of the front and rear vertical plates 310 is provided with the lifting groove 311, the inner side of the lifting groove 311 is slidably connected with the lifting block 312, the front and rear lifting blocks 312 are fixedly connected with the lifting plate 313, the side of the lifting plate 313 close to the circuit breaker body 5 is fixedly connected with the pressing plate 314, the other side of the lifting plate 313 is fixedly connected with the rotating block one 315, the outer side of the rotating block one 315 is rotatably connected with the inclined plate one 316, the upper side of the control plate 308 is fixedly connected with the rotating block two 317, the rotating block two 317 is rotatably connected with the inclined plate one 316, when the limiting plate one 307 limits the circuit breaker body 5, the control plate 308 moves, the control plate 308 drives the inclined plate one 316 to rotate, under the action of the inclined plate one 316, the control plate 308 drives the lifting plate 313 to descend, the lifting plate 313 drives the pressing plate 314 to descend, the pressing plate 314 presses the upper side of the circuit breaker body 5, the circuit breaker body 5 is limited again, and the stability of the installation of the circuit breaker body 5 is increased.

[0034] Example two

[0035] As shown in Figure 1 - Figure 8 A power limiting circuit breaker for circuit protection, comprising a mounting seat 1 mounted on a wall, a plurality of clamping grooves 2 are formed on the upper side of the mounting seat 1, an installation plate 4 is arranged on the inner side of the clamping groove 2, the upper side of the installation plate 4 is fixedly connected with a circuit breaker body 5, the front side of the circuit breaker body 5 is fixedly connected with a loudspeaker 6, the upper side of the circuit breaker body 5 is fixedly connected with an alarm lamp 7, an installation unit 3 is arranged on the upper side of the mounting seat 1, the installation plate 4 is arranged in the clamping groove 2, the installation plate 4 is matched with the clamping groove 2, which facilitates the installation and positioning of the circuit breaker body 5, and the circuit breaker body 5 is installed through the installation unit 3, and the loudspeaker 6 and the alarm lamp 7 are convenient for alarm during feather flaw detection.

[0036] The mounting unit 3 comprises guide plates 301 fixedly connected to the upper side of the mounting base 1 and located on the left and right sides of the mounting plate 4, outer sides of the left and right guide blocks 302 are slidably connected with the outer sides of the guide blocks 302, outer sides of the connecting plates 303 are fixedly connected with the outer sides of the guide blocks 302, one side of the connecting plates 303 close to the circuit breaker body 5 is fixedly connected with a fixed rod 304, an outer end of the fixed rod 304 is fixedly connected with a moving plate 305, an outer side of the moving plate 305 is provided with a moving rod 306, one end of the moving rod 306 close to the circuit breaker body 5 is fixedly connected with a limiting plate one 307, the other end of the moving rod 306 is fixedly connected with a control plate 308, the control plate 308 and the moving plate 305 are fixedly connected with a spring 309, rear sides of the left and right guide blocks 302 are fixedly connected with rear blocks 318, the upper side of the mounting base 1 is fixedly connected with a plurality of fixed blocks 320, the two fixed blocks 320 are rotatably connected with a bidirectional screw rod 319, the moving rod 306 is slidably connected with the moving plate 305, the two ends of the bidirectional screw rod 319 are provided with opposite threads, the two ends of the bidirectional screw rod 319 are threadedly connected with the left and right rear blocks 318 respectively, the outer end of the bidirectional screw rod 319 penetrates through the outer side of the fixed block 320 and is fixedly connected with a handle 321, when the circuit breaker body 5 is mounted, first, the mounting plate 4 on the circuit breaker body 5 is placed in the clamping groove 2 for preliminary limiting, then the handle 321 is rotated to drive the bidirectional screw rod 319 to rotate, the bidirectional screw rod 319 drives the left and right rear blocks 318 to move close to each other, the rear blocks 318 drive the guide blocks 302 to move, the guide blocks 302 drive the connecting plates 303 to move, the connecting plates 303 drive the fixed rod 304 to move, the fixed rod 304 drives the moving plate 305 to move, the moving plate 305 drives the limiting plate one 307 to move, so that the left and right limiting plate ones 307 move close to the circuit breaker body 5, so that the left and right sides of the circuit breaker body 5 are limited, at the same time, the moving plate 305 moves to the upper side of the mounting plate 4, so that the mounting plate 4 is limited, the circuit breaker body 5 is limited again, the stability of mounting is increased, when the limiting plate one 307 contacts the circuit breaker body 5, the moving plate 305 continues to move under the action of the moving rod 306, so that the control plate 308 on the moving rod 306 moves close to the connecting plate 303, when the connecting plate 303 moves to be blocked at the connecting plate 303, the limiting plate one 307 is limited, the mounting of the circuit breaker body 5 is completed, when disassembled, the handle 321 is reversely rotated, the operation is simple, the circuit breaker body 5 is convenient to overhaul.

[0037] The left and right rear blocks 318 are fixedly connected with rotating blocks three 322 close to one side of the circuit breaker main body 5, the outer sides of the left and right rotating blocks three 322 are axially connected with inclined plates two 323, the outer sides of the inclined plates two 323 are rotatably connected with rotating blocks four 324, the front sides of the rotating blocks four 324 are fixedly connected with pressing blocks 325, the upper side of the mounting seat 1 is fixedly connected with a fixed plate 326, the fixed plate 326 and the pressing blocks 325 are fixedly connected with telescopic rods 327, the upper side of the pressing blocks 325 is fixedly connected with top blocks one 328 and top blocks two 333, the outer side of the top blocks one 328 is rotatably connected with a rotating shaft one 329, the outer side of the top blocks two 333 is rotatably connected with a rotating shaft two 334, the outer side of the rotating shaft one 329 is fixedly connected with a limiting plate two 330, the upper side of the limiting plate two 330 is fixedly connected with a stable block 331, one end of the rotating shaft two 334 is fixedly connected with a gear two 335, the other end of the rotating shaft two 334 is fixedly connected with a rotating disc 336, the outer end of the rotating shaft one 329 is fixedly connected with a gear one 332 meshed with the gear two 335, the outer side of the rotating disc 336 is fixedly connected with a control block 337, the upper side of the control block 337 is provided with a U-shaped groove 338, the inner side of the U-shaped groove 338 is rotatably connected with an inclined plate three 339, the upper side of the fixed plate 326 is fixedly connected with a connecting block 340, the connecting block 340 is rotatably connected with the inclined plate three 339, the stable block 331 is located on the upper side of the circuit breaker main body 5, when the pressing plate 314 limits the circuit breaker main body 5, the left and right rear blocks 318 are close to each other, the rear blocks 318 drive the inclined plates two 323 to rotate, because the left and right inclined plates two 323 are symmetrically and obliquely arranged, the inclined plates two 323 drive the pressing blocks 325 to be close to the circuit breaker main body 5, so that the mounting plate 4 on the lower side of the circuit breaker main body 5 is limited, at the same time, the pressing blocks 325 drive the top blocks two 333 to move, the top blocks two 333 drive the rotating shaft two 334 to move, the rotating shaft two 334 drives the rotating disc 336 to move, under the limitation of the inclined plate three 339, the inclined plate three 339 drives the control block 337 to rotate, the control block 337 drives the rotating disc 336 to rotate, the rotating disc 336 drives the rotating shaft two 334 to rotate, the rotating shaft two 334 drives the gear two 335 to rotate, the gear two 335 drives the gear one 332 to rotate, the gear one 332 drives the rotating shaft one 329 to rotate, the rotating shaft one 329 drives the limiting plate two 330 to rotate, the limiting plate two 330 drives the stable block 331 to rotate, so that the stable block 331 presses the upper side of the circuit breaker main body 5, and the stability of the circuit breaker main body 5 is increased.

[0038] In use, the staff first puts the mounting plate 4 on the circuit breaker body 5 in the card slot 2, and then rotates the handle 321, which drives the bidirectional screw rod 319 to rotate. Under the action of the rear block 318, the guide block 302, the connecting plate 303, and the moving plate 305, the control limiting plate one 307 approaches the circuit breaker body 5, so that the limiting plate one 307 on the left and right sides limits the circuit breaker body 5. At the same time, the moving plate 305 presses the mounting plate 4 downward, and the control plate 308 on the moving rod 306 moves, which, under the action of the inclined plate one 316, makes the pressing plate 314 on the lifting plate 313 descend, so that the pressing plate 314 presses the circuit breaker body 5 downward to increase the stability of the installation of the circuit breaker body 5. When the rear block 318 moves, under the action of the inclined plate two 323, the pressing block 325 approaches the circuit breaker body 5, and at the same time, the limiting plate two 330 and the stable block 331 move. Under the action of the inclined plate three 339, the rotating disc 336, the control block 337, the rotating shaft two 334, and the rotating shaft one 329, the stable block 331 on the limiting plate two 330 presses the circuit breaker body 5 downward to increase the stability of the installation of the circuit breaker body 5.

[0039] When the circuit breaker body 5 and the loudspeaker 6 and the alarm lamp 7 need to be repaired, the handle 321 is rotated in the opposite direction, and the circuit breaker body 5 is quickly disassembled, which is simple to operate and convenient for repair.

[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

Claims

1. A power limiting circuit breaker for circuit protection, comprising a mounting base (1) mounted on a wall, characterized in that: The mounting base (1) has multiple slots (2) on its upper side. The slots (2) are provided with mounting plates (4) on their inner sides. The mounting plates (4) are fixedly connected to the upper side of the circuit breaker body (5). The front of the circuit breaker body (5) is fixedly connected to a speaker (6). The upper side of the circuit breaker body (5) is fixedly connected to an alarm light (7). The mounting base (1) has a mounting unit (3) on its upper side. The installation unit (3) includes a guide plate (301), which is fixedly connected to the upper side of the mounting base (1) and located on the left and right sides of the mounting plate (4). Guide blocks (302) are slidably connected to the outer sides of the guide plates (301) on both sides. A connecting plate (303) is fixedly connected to the outer side of the guide blocks (302). A fixing rod (304) is fixedly connected to the side of the connecting plate (303) near the circuit breaker body (5). A movable plate (305) is fixedly connected to the outer end of the fixing rod (304). A movable plate (305) is provided on the outer side of the movable plate (305). The moving rod (306) is fixedly connected to a limit plate (307) at one end near the circuit breaker body (5), and a control plate (308) is fixedly connected to the other end of the moving rod (306). A spring (309) is fixedly connected between the control plate (308) and the moving plate (305). A rear block (318) is fixedly connected to the rear side of the guide block (302) on both the left and right sides. Multiple fixing blocks (320) are fixedly connected to the upper side of the mounting base (1), and a bidirectional screw (319) is rotatably connected between two fixing blocks (320).

2. A power limiting circuit breaker for circuit protection according to claim 1, characterized in that: The upper sides of both ends of the movable plate (305) are fixedly connected to the vertical plates (310). The outer sides of the vertical plates (310) on both the front and rear sides are provided with lifting grooves (311). The inner side of the lifting grooves (311) is slidably connected to the lifting blocks (312). The lifting plates (313) on both the front and rear sides are fixedly connected to the lifting blocks (312). The side of the lifting plate (313) close to the circuit breaker body (5) is fixedly connected to the pressure plate (314). The other side of the lifting plate (313) is fixedly connected to the rotating block one (315). The outer side of the rotating block one (315) is rotatably connected to the inclined plate one (316). The upper side of the control plate (308) is fixedly connected to the rotating block two (317). The rotating block two (317) is rotatably connected to the inclined plate one (316).

3. A power limiting circuit breaker for circuit protection according to claim 1, characterized in that: The movable rod (306) is slidably connected to the movable plate (305).

4. A power limiting circuit breaker for circuit protection according to claim 1, characterized in that: The two ends of the bidirectional screw (319) are provided with opposite threads. The two ends of the bidirectional screw (319) are respectively threaded to the left and right rear blocks (318). The outer end of the bidirectional screw (319) passes through the outside of the fixing block (320) and is fixedly connected to the throttle (321).

5. A power limiting circuit breaker for circuit protection according to claim 1, characterized in that: On the left and right sides of the rear block (318), a rotating block three (322) is fixedly connected to the side of the circuit breaker body (5). The outer side of the rotating block three (322) on both sides is rotatably connected to the inclined plate two (323). The outer side of the inclined plate two (323) is rotatably connected to the rotating block four (324). The front side of the rotating block four (324) is fixedly connected to the pressure block (325). The upper side of the mounting base (1) is fixedly connected to the fixing plate (326). The fixed plate (326) and the pressure block (325) are fixedly connected to the telescopic rod (327).

6. A power limiting circuit breaker for circuit protection according to claim 5, characterized in that: The upper side of the pressure block (325) is fixedly connected to a top block one (328) and a top block two (333). The outer side of the top block one (328) is rotatably connected to a rotating shaft one (329). The outer side of the top block two (333) is rotatably connected to a rotating shaft two (334). The outer side of the rotating shaft one (329) is fixedly connected to a limiting plate two (330). The upper side of the limiting plate two (330) is fixedly connected to a stabilizing block (331). One end of the rotating shaft two (334) is fixedly connected to a gear two (335). The other end of the rotating shaft two (334) is... A turntable (336) is fixedly connected to one end. A gear (332) that meshes with a gear (335) is fixedly connected to the outer end of the rotating shaft (329). A control block (337) is fixedly connected to the outer side of the turntable (336). A U-shaped groove (338) is provided on the upper side of the control block (337). An inclined plate (339) is rotatably connected to the inner side of the U-shaped groove (338). A connecting block (340) is fixedly connected to the upper side of the fixed plate (326). The connecting block (340) is rotatably connected to the inclined plate (339).

7. A power limiting circuit breaker for circuit protection according to claim 6, characterized in that: The stabilizing block (331) is located on the upper side of the circuit breaker body (5).

8. A power limiting circuit breaker for circuit protection according to claim 1, characterized in that: The mounting plate (4) is adapted to the slot (2).

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