A circuit breaker with a fast arc extinguishing structure

Abstract

The present invention relates to the technical field of circuit breakers, and provides a circuit breaker with a quick arc extinguishing structure, comprising: an adjusting bracket B is slidably arranged on one side of the top of the adjusting bracket A; an arc extinguishing seat is slidably arranged on the bottom of the adjusting bracket B; an arc extinguishing mounting seat is installed on one side of the arc extinguishing seat; by detecting the arrangement of a slider and an arc extinguishing cover seat, the installation position of the arc extinguishing cover body can be detected, and the installation position of the arc extinguishing cover body can be judged by whether the arc extinguishing mounting seat can be rotated, so that the circuit breaker has the function of detecting the installation of the arc extinguishing structure, which solves the problem that commonly used circuit breakers usually need to be additionally equipped with a certain arc extinguishing structure to eliminate the arc, but such a circuit breaker is relatively inconvenient in subsequent maintenance of the arc extinguishing structure, and the fixed position of the arc extinguishing structure cannot be detected, which is prone to deviations in the installation process of the arc extinguishing structure, resulting in a decrease in the arc extinguishing effect.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, and in particular to a circuit breaker with a fast arc extinguishing structure. Background Art

[0002] A circuit breaker with a fast arc extinguishing structure is an electrical device used to quickly cut off the fault current in the circuit and effectively extinguish the arc when disconnecting the circuit. This type of circuit breaker is usually used in high-voltage power systems to protect power grids and equipment from short circuits and overloads.

[0003] During the use of the circuit breaker, an arc will occur every time an operation is performed. Commonly used circuit breakers usually need to be equipped with certain arc extinguishing structures to eliminate the arc. However, such circuit breakers are inconvenient to maintain the arc extinguishing structure later, and the fixed position of the arc extinguishing structure cannot be detected. Deviations are likely to occur during the installation of the arc extinguishing structure, resulting in a decrease in the arc extinguishing effect. Summary of the invention

[0004] The present application discloses a circuit breaker with a fast arc extinguishing structure to solve the problem that the commonly used circuit breakers mentioned in the above background technology usually need to be additionally equipped with a certain arc extinguishing structure to extinguish the arc, but such a circuit breaker is inconvenient during the subsequent maintenance of the arc extinguishing structure, and the fixed position of the arc extinguishing structure cannot be detected, which is prone to deviations during the installation of the arc extinguishing structure, resulting in a decrease in the arc extinguishing effect.

[0005] The present invention application discloses a circuit breaker with a fast arc extinguishing structure. By detecting the settings of a slider and an arc extinguishing cover seat, the installation position of the arc extinguishing cover body can be detected. The installation position of the arc extinguishing cover body can be judged by whether the arc extinguishing mounting seat can be rotated, so that the circuit breaker has the function of detecting the installation of the arc extinguishing structure.

[0006] In the first aspect of the present disclosure, a circuit breaker with a rapid arc extinguishing structure is provided, specifically comprising: a mounting base, wherein three groups of adjustment brackets A are installed in a line on the top of the mounting base; an adjustment bracket B is slidably provided on one side of the top of the adjustment bracket A; an arc extinguishing seat is slidably provided on the bottom of the adjustment bracket B; an arc extinguishing mounting seat is installed on one side of the arc extinguishing seat; the mounting base also comprises: a fixed pole assembly, wherein the number of the fixed pole assemblies is set to three, and the fixed pole assemblies are symmetrically installed on the top of the mounting base; a current transformer assembly, wherein the current transformer assembly is installed in the middle of one side of the fixed pole assembly; and a knife switch, wherein the knife switch is installed on one side of the current transformer assembly.

[0007] As a further solution of the present invention, the mounting base also includes: an outlet terminal assembly, the number of the outlet terminal assemblies is set to three, and the outlet terminal assembly is installed at the front end of the mounting base; a mounting bracket, the shape of the mounting bracket is an arc-shaped frame structure design, and the number of the mounting brackets is set to four, and the mounting brackets are symmetrically fixed on both sides of the mounting base.

[0008] As a further solution of the present invention, the adjustment bracket A also includes: a connecting plate, which is shaped like a long strip plate structure and is integrally arranged in the middle of the top of the adjustment bracket A; a matching plate, which is shaped like a circular plate structure and is integrally arranged in the middle of the connecting plate.

[0009] As a further solution of the present invention, the adjustment bracket A also includes: a limit column, the limit column is shaped like a circular column structure design, and the number of the limit columns is set to two, and the limit columns are symmetrically and integrally arranged on one side of the top of the adjustment bracket A.

[0010] As a further solution of the present invention, the adjustment bracket B also includes: a limit joint A, the limit joint A is designed in an arc-shaped structure, and the number of the limit joints A is set to two, and the limit joints A are symmetrically and integrally arranged on both sides of the adjustment bracket B; an adjustment screw A, the adjustment screw A is rotatably arranged in the middle of the rear end of the adjustment bracket B, and the adjustment screw A is threadedly connected to the mating plate.

[0011] As a further solution of the present invention, the adjustment bracket B also includes: an adjustment connecting seat, which is in the shape of a rectangular seat with a circular middle, and the adjustment connecting seat is integrally arranged at the front end of the adjustment bracket B; a limiting joint B, which is in the shape of an arc-shaped structure design, and the number of limiting joints B is set to two, and the limiting joints B are symmetrically arranged on both sides of the bottom of the adjustment connecting seat.

[0012] As a further scheme of the present invention, the arc extinguishing seat also includes: a mounting joint, which is designed in the shape of an arc-shaped structure, and the number of the mounting joints is set to two, and the mounting joints are symmetrically fixed on both sides of the arc extinguishing seat; a limiting pillar, which is designed in the shape of a circular column structure, and the limiting pillar is fixedly set on the top of the mounting joint; a sliding connection between the limiting pillar and the limiting joint B; an adjusting screw B, which is rotatably set in the middle of the top of the arc extinguishing seat, and the adjusting screw B is threadedly connected to the adjusting connecting seat; a limiting head, which is shaped like a circular structure, and the limiting head is fixedly set on the top of the limiting pillar; an angle adjuster, which is installed at the front end of the arc extinguishing seat; one side of the angle adjuster is fixedly connected to one side of the arc extinguishing mounting seat, the angle adjuster can be an adjusting damper or other adjusting parts, and the angle adjuster is a mature existing technology, which can adjust the angle so that the adjusted component is in a certain position.

[0013] As a further solution of the present invention, the arc extinguishing seat also includes: a limit bracket, the shape of the limit bracket is an arc-shaped bracket structure design, and the number of the limit brackets is set to two groups, and the limit brackets are symmetrically fixed at the front end of the arc extinguishing seat; a detection limit card block, the shape of the detection limit card block is a circular block structure design, and the outside of the detection limit card block is provided with a limit card tooth; the detection limit card block is fixedly set on one side of the limit bracket.

[0014] As a further solution of the present invention, the arc extinguishing mounting seat also includes: an arc extinguishing cover seat, the shape of the arc extinguishing cover seat is a concave seat structure design, the number of arc extinguishing cover seats is set to two, and the arc extinguishing cover seat is slidably set inside the arc extinguishing mounting seat; the shape of the fixed plate is a long strip plate structure design, and the fixed plate is fixedly set on the top of the arc extinguishing cover seat; the top of the fixed plate is fixedly connected to the arc extinguishing mounting seat by fixing screws.

[0015] As a further solution of the present invention, the arc extinguishing mounting seat also includes: an arc extinguishing hood side seat, which is shaped like a square structure design, and the arc extinguishing hood side seat is snap-fitted and installed between the arc extinguishing hood seats; an arc extinguishing hood body, which is snap-fitted and installed between the arc extinguishing hood side seats; a limit bar, which is shaped like a long strip structure design, and the number of the limit bars is set to two, and the limit bars are symmetrically and integrally arranged on both sides of the arc extinguishing hood seat; a detection support seat, which is shaped like a rectangular structure design, and the number of the detection support seats is set to two, and the detection support seats are symmetrical. The detection slider is L-shaped and is installed at the bottom of the arc extinguishing mounting seat; the detection slider is shaped like an L-shaped block structure, and the detection slider is slidably set inside the detection support seat; the transmission head is shaped like a rectangular block structure, and the transmission head is fixedly set at one end of the detection slider; one side of the top of the transmission head is an inclined structure design; a spring is installed between the transmission head and the detection support seat; the limiting head is shaped like a rectangular structure design, and the limiting head is integrally set on the top of the detection slider; one side of the limiting head is provided with limiting teeth, and the limiting teeth of the limiting head are consistent with the limiting teeth of the detection limit block.

[0016] The circuit breaker with a fast arc extinguishing structure provided by the present invention has the following beneficial effects:

[0017] By setting the detection slider and the arc extinguishing cover seat, the installation position of the arc extinguishing cover body can be detected. When the arc extinguishing cover body is installed to the specified position, the limiting teeth of the limiting head are disengaged from the limiting teeth of the detection limit block, and the rotation restriction of the arc extinguishing mounting seat is released. When the arc extinguishing cover body deviates, the arc extinguishing cover seat cannot trigger the detection slider to move, and the limiting teeth of the limiting head are engaged with the limiting teeth of the detection limit block, then the arc extinguishing mounting seat cannot be rotated, so that the arc extinguishing mounting seat can adjust the angle, so that the installation position of the arc extinguishing cover body can be judged by whether the arc extinguishing mounting seat can be rotated, so that the circuit breaker has the function of detecting the installation of the arc extinguishing structure.

[0018] By adjusting the settings of the bracket B, the arc extinguishing seat and the angle adjuster, the arc extinguishing position of the arc extinguishing hood body can be adjusted. By adjusting the screw A, the adjustment bracket B will be driven to move, so that the front and rear position of the arc extinguishing hood body will change. By adjusting the connecting seat adjustment screw B will drive the arc extinguishing seat to move downward, so that the position of the arc extinguishing hood body will change. Through the cooperation between the angle adjuster and the arc extinguishing mounting seat, by adjusting the angle of the arc extinguishing mounting seat, the arc extinguishing hood body is in the best arc extinguishing position, which can make the arc extinguishing operation more effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture:

[0022] Figure 1 It is a schematic diagram of the overall axial stereoscopic structure of a circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention.

[0023] Figure 2 It is a structural schematic diagram of an adjustment bracket B of a circuit breaker with a fast arc extinguishing structure according to an embodiment of the present invention.

[0024] Figure 3 It is a schematic diagram of the arc extinguishing seat structure of a circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention.

[0025] Figure 4 It is a schematic diagram of the structure of a detection slider when the arc extinguishing cover seat of a circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention is installed inside an arc extinguishing mounting seat.

[0026] Figure 5 It is a schematic diagram of the structure of the detection slider when the arc extinguishing cover seat of the circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention is not installed inside the arc extinguishing mounting seat.

[0027] Figure 6 It is a schematic diagram of the structure of a detection slider of a circuit breaker with a fast arc extinguishing structure according to an embodiment of the present invention.

[0028] Figure 7 It is a schematic diagram of the arc extinguishing cover seat structure of a circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention.

[0029] Figure 8 It is a schematic diagram of the structure of the mounting base of a circuit breaker with a rapid arc extinguishing structure according to an embodiment of the present invention.

[0030] List of reference numerals:

[0031] 1. Install the base; 101. Fix the pole assembly; 102. Current transformer assembly; 103. Knife switch; 104. Outgoing terminal assembly; 105. Install the bracket; 2. Adjust the bracket A; 201. Connecting plate; 202. Matching plate; 203. Limiting column; 3. Adjust the bracket B; 301. Limiting joint A; 302. Adjust the screw A; 303. Adjust the connecting seat; 304. Limiting joint B; 4. Arc extinguishing seat; 401. Install Installing joint; 402, limiting support; 403, adjusting screw B; 404, limiting head; 405, angle adjuster; 406, limiting bracket; 407, detection limiting block; 5, arc extinguishing mounting seat; 501, arc extinguishing cover seat; 502, fixing plate; 503, arc extinguishing cover side seat; 504, arc extinguishing cover body; 505, limiting strip; 506, detection support seat; 507, detection slider; 508, transmission head; 509, limiting head. DETAILED DESCRIPTION

[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.

[0033] As attached Figure 1 To Attachment Figure 8 As shown:

[0034] Embodiment 1: The present invention proposes a circuit breaker with a fast arc extinguishing structure, comprising: a mounting base 1, wherein three groups of adjustment brackets A2 are installed in a line on the top of the mounting base 1; an adjustment bracket B3 is slidably installed on one side of the top of the adjustment bracket A2; an arc extinguishing seat 4 is slidably installed on the bottom of the adjustment bracket B3; an arc extinguishing mounting seat 5 is installed on one side of the arc extinguishing seat 4; the mounting base 1 also comprises: a fixed pole assembly 101, wherein the number of the fixed pole assemblies 101 is set to three, and the fixed pole assemblies 101 are symmetrically installed on the top of the mounting base 1; a current Transformer assembly 102, the current transformer assembly 102 is installed in the middle of one side of the fixed pole assembly 101; the knife switch 103, the knife switch 103 is installed on one side of the current transformer assembly 102; the outgoing line terminal assembly 104, the number of the outgoing line terminal assembly 104 is set to three, and the outgoing line terminal assembly 104 is installed at the front end of the mounting base 1; the mounting bracket 105, the shape of the mounting bracket 105 is an arc-shaped frame structure design, and the number of the mounting bracket 105 is set to four, and the mounting bracket 105 is symmetrically fixed on both sides of the mounting base 1.

[0035] Among them, the adjustment bracket A2 also includes: a connecting plate 201, the connecting plate 201 is shaped like a long strip plate structure design, and the connecting plate 201 is integrally arranged in the middle of the top of the adjustment bracket A2; a matching plate 202, the matching plate 202 is shaped like a circular plate structure design, and the matching plate 202 is integrally arranged in the middle of the connecting plate 201; a limiting column 203, the limiting column 203 is shaped like a circular column structure design, and the number of the limiting columns 203 is set to two, and the limiting columns 203 are symmetrically arranged on one side of the top of the adjustment bracket A2.

[0036] Specific usage and function of this embodiment: During the use of the circuit breaker, by placing the circuit breaker in a suitable position, an arc will be generated when the knife switch 103 is disengaged. When the arc passes through the arc extinguishing cover body 504, the arc extinguishing cover body 504 will disperse the arc into multiple small arcs, so that it can be extinguished quickly.

[0037] Embodiment 2, based on embodiment 1, as Figure 1 - Figure 3 As shown; this kind of circuit breaker with a fast arc extinguishing structure, the adjustment bracket B3 also includes: a limit joint A301, the limit joint A301 is designed in an arc-shaped structure, and the number of the limit joints A301 is set to two, and the limit joints A301 are symmetrically arranged on both sides of the adjustment bracket B3; an adjusting screw A302, the adjusting screw A302 is rotatably arranged in the middle of the rear end of the adjustment bracket B3, and the adjusting screw A302 is threadedly connected to the matching plate 202; an adjusting connecting seat 303, the adjusting connecting seat 303 is shaped like a rectangular seat with a circular middle, and the adjusting connecting seat 303 is integrally arranged at the front end of the adjusting bracket B3; a limit joint B304, the limit joint B304 is designed in an arc-shaped structure, and the number of the limit joints B304 is set to two, and the limit joints B304 are symmetrically arranged on both sides of the bottom of the adjusting connecting seat 303.

[0038] The arc extinguishing seat 4 further comprises: a mounting joint 401, which is designed in an arc-shaped structure, and the number of mounting joints 401 is set to two, and the mounting joints 401 are symmetrically fixedly arranged on both sides of the arc extinguishing seat 4; a limiting support 402, which is designed in a circular column structure, and the limiting support 402 is fixedly arranged on the top of the mounting joint 401; a sliding connection between the limiting support 402 and the limiting joint B304; an adjusting screw B403, which is rotatably arranged in the middle of the top of the arc extinguishing seat 4, and the adjusting screw B403 is threadedly connected to the adjusting connection seat 303; a limiting head 404, which is shaped like a Circular structure, and the limit head 404 is fixedly set on the top of the limiting pillar 402; the angle adjuster 405, the angle adjuster 405 is installed and set at the front end of the arc extinguishing seat 4; one side of the angle adjuster 405 is fixedly connected to one side of the arc extinguishing mounting seat 5; the limit bracket 406, the shape of the limit bracket 406 is an arc-shaped bracket structure design, and the number of the limit bracket 406 is set to two groups, and the limit bracket 406 is symmetrically fixed at the front end of the arc extinguishing seat 4; the detection limit card block 407, the shape of the detection limit card block 407 is a circular block structure design, and the detection limit card block 407 is provided with a limit card tooth on the outside; the detection limit card block 407 is fixedly set on one side of the limit bracket 406.

[0039] The working principle of this embodiment: when the position of the arc extinguishing hood body 504 is unable to extinguish the arc well, the adjusting screw A302 can be rotated to adjust the threaded connection between the adjusting screw A302 and the matching plate 202, and the adjusting screw A302 will drive the adjusting bracket B3 to move, so that the front and rear position of the arc extinguishing hood body 504 changes, and then the adjusting screw B403 is rotated to adjust the threaded connection between the adjusting screw B403 and the adjusting connecting seat 303, and the adjusting screw B403 will drive the arc extinguishing seat 4 to move downward, so that the position of the arc extinguishing hood body 504 changes, and then the angle adjuster 405 cooperates with the arc extinguishing mounting seat 5 and the angle of the arc extinguishing mounting seat 5 is adjusted, so that the position of the arc extinguishing hood body 504 can be adjusted as needed to make it in the best arc extinguishing position.

[0040] Embodiment 3, based on embodiment 2, Figure 4 - Figure 7As shown; the circuit breaker with a fast arc extinguishing structure, the arc extinguishing mounting seat 5 also includes: an arc extinguishing cover seat 501, the shape of the arc extinguishing cover seat 501 is a concave seat structure design, the number of the arc extinguishing cover seats 501 is set to two, and the arc extinguishing cover seats 501 are slidably arranged inside the arc extinguishing mounting seat 5; the shape of the fixed plate 502 is a long strip plate structure design, and the fixed plate 502 is fixedly arranged on the top of the arc extinguishing cover seat 501; the top of the fixed plate 502 and the arc extinguishing mounting seat 5 are connected by a fixed The arc extinguishing hood side seat 503 is designed in a square structure, and the arc extinguishing hood side seat 503 is snap-fitted and installed between the arc extinguishing hood seats 501; the arc extinguishing hood body 504 is snap-fitted and installed between the arc extinguishing hood side seats 503; the limiting strip 505 is designed in a long strip structure, and the number of the limiting strips 505 is set to two, and the limiting strips 505 are symmetrically and integrally arranged on the arc extinguishing hood. On both sides of the seat 501; the detection support seat 506, the detection support seat 506 is shaped like a rectangular structure design, and the number of the detection support seat 506 is set to two, and the detection support seat 506 is symmetrically installed at the bottom of the arc extinguishing mounting seat 5; the detection slider 507, the detection slider 507 is shaped like an L-shaped block structure design, and the detection slider 507 is slidably set inside the detection support seat 506; the transmission head 508, the transmission head 508 is shaped like a rectangular block structure design, and the transmission head 508 is fixedly set at one end of the detection slider 507; one side of the top of the transmission head 508 is designed with an inclined structure; a spring is installed between the transmission head 508 and the detection support seat 506; the limiting head 509, the limiting head 509 is shaped like a rectangular structure design, and the limiting head 509 is integrally set at the top of the detection slider 507; one side of the limiting head 509 is provided with limiting teeth, and the limiting teeth of the limiting head 509 are consistent with the limiting teeth of the detection limit block 407.

[0041] The working principle of this embodiment is as follows: when the arc extinguishing hood body 504 is damaged after being used for a period of time and needs to be replaced, the fixing screws on the fixing plate 502 can be removed, and then the arc extinguishing hood body 504 can be taken out for replacement.

[0042] When the arc extinguishing hood body 504 is replaced and installed, the arc extinguishing hood seat 501 can be installed inside the arc extinguishing mounting seat 5. When the arc extinguishing mounting seat 5 is installed to the originally specified position, the limit strips 505 on both sides of the arc extinguishing hood seat 501 will touch the transmission head 508, and the transmission head 508 will be squeezed. The transmission head 508 will drive the detection slider 507 to move, so that the detection slider 507 drives the limiting head 509 to move, so that the limiting teeth of the limiting head 509 are disengaged from the limiting teeth of the detection limit block 407. At this time, the rotation restriction of the arc extinguishing mounting seat 5 is released, so that the arc extinguishing mounting seat 5 can adjust the angle, which further indicates that the arc extinguishing hood body 504 is installed at the specified position, so that the installation position of the arc extinguishing hood body 504 can be judged by whether the arc extinguishing mounting seat 5 can rotate.

Claims

1. A circuit breaker with a fast arc extinguishing structure, characterized in that: include: A mounting base (1), wherein three groups of adjustment brackets A (2) are installed in a row on the top of the mounting base (1); an adjustment bracket B (3) is slidably installed on one side of the top of the adjustment bracket A (2); an arc extinguishing seat (4) is slidably installed on the bottom of the adjustment bracket B (3); an arc extinguishing mounting seat (5) is installed on one side of the arc extinguishing seat (4); the mounting base (1) further comprises: a fixed pole assembly (101), wherein the number of the fixed pole assemblies (101) is set to three, and the fixed pole assemblies (101) are symmetrically installed on the top of the mounting base (1); a current transformer assembly (102), wherein the current transformer assembly (102) is installed in the middle of one side of the fixed pole assembly (101); and a knife switch (103), wherein the knife switch (103) is installed on one side of the current transformer assembly (102); The arc extinguishing seat (4) further comprises: a limit bracket (406), the limit bracket (406) is designed in the shape of an arc-shaped bracket structure, and the number of the limit brackets (406) is set to two groups, and the limit brackets (406) are symmetrically fixedly arranged at the front end of the arc extinguishing seat (4); a detection limit clamping block (407), the detection limit clamping block (407) is designed in the shape of a circular block structure, and the detection limit clamping block (407) is provided with a limit clamping tooth outside; the detection limit clamping block (407) is fixedly arranged on one side of the limit bracket (406); The arc extinguishing mounting seat (5) comprises: an arc extinguishing hood seat (501), the arc extinguishing hood seat (501) is in the shape of a concave seat structure design, the number of the arc extinguishing hood seats (501) is set to two, and the arc extinguishing hood seats (501) are slidably arranged inside the arc extinguishing mounting seat (5); The fixing plate (502) is in the shape of a long strip plate structure, and the fixing plate (502) is fixedly arranged on the top of the arc extinguishing cover seat (501); the top of the fixing plate (502) and the arc extinguishing mounting seat (5) are fixedly connected by fixing screws; The arc extinguishing mounting seat (5) further comprises: an arc extinguishing hood side seat (503), the arc extinguishing hood side seat (503) is shaped in a square seat structure design, and the arc extinguishing hood side seat (503) is snap-fitted and installed between the arc extinguishing hood seats (501); an arc extinguishing hood body (504), the arc extinguishing hood body (504) is snap-fitted and installed between the arc extinguishing hood side seats (503); a limit bar (505), the limit bar (505) is shaped in a long strip structure design, and the number of the limit bars (505) is set to two, and the limit bars (505) are symmetrically and integrally arranged on both sides of the arc extinguishing hood seat (501); The arc extinguishing mounting seat (5) further comprises: a detection support seat (506), the detection support seat (506) is designed in a rectangular structure, and the number of the detection support seats (506) is set to two, and the detection support seats (506) are symmetrically installed at the bottom of the arc extinguishing mounting seat (5); a detection slider (507), the detection slider (507) is designed in an L-shaped block structure, and the detection slider (507) is slidably arranged inside the detection support seat (506); a transmission head (508), the transmission head (508) is designed in a rectangular block structure The transmission head (508) is designed in a rectangular shape, and the transmission head (508) is fixedly arranged at one end of the detection slider (507); one side of the top of the transmission head (508) is designed in an inclined structure; a spring is installed between the transmission head (508) and the detection support seat (506); the limiting head (509) is designed in a rectangular shape, and the limiting head (509) is integrally arranged on the top of the detection slider (507); limiting teeth are provided on one side of the limiting head (509), and the limiting teeth of the limiting head (509) are consistent with the limiting teeth of the detection limit block (407).

2. A circuit breaker with a fast arc extinguishing structure as claimed in claim 1, characterized in that: The mounting base (1) further comprises: an outlet terminal assembly (104), the number of the outlet terminal assembly (104) being set to three, and the outlet terminal assembly (104) being mounted on the front end of the mounting base (1); and a mounting bracket (105), the shape of the mounting bracket (105) being an arc-shaped frame structure design, the number of the mounting bracket (105) being set to four, and the mounting bracket (105) being symmetrically fixedly arranged on both sides of the mounting base (1).

3. A circuit breaker with a fast arc extinguishing structure as claimed in claim 1, characterized in that: The adjusting bracket A (2) further comprises: a connecting plate (201), the connecting plate (201) being in the shape of a long strip plate structure, and the connecting plate (201) being integrally arranged in the middle of the top of the adjusting bracket A (2); The matching plate (202) is shaped like a circular plate structure, and the matching plate (202) is integrally arranged in the middle of the connecting plate (201).

4. A circuit breaker with a fast arc extinguishing structure as claimed in claim 3, characterized in that: The adjustment bracket A (2) further comprises: a limiting column (203), the limiting column (203) being in the shape of a circular column structure, and the number of the limiting columns (203) being two, and the limiting columns (203) being symmetrically and integrally arranged on one side of the top of the adjustment bracket A (2).

5. A circuit breaker with a fast arc extinguishing structure as claimed in claim 3, characterized in that: The adjustment bracket B (3) further comprises: a limit joint A (301), the limit joint A (301) is designed in an arc-shaped structure, and the number of the limit joints A (301) is set to two, and the limit joints A (301) are symmetrically arranged on both sides of the adjustment bracket B (3); an adjustment screw rod A (302), the adjustment screw rod A (302) is rotatably arranged in the middle of the rear end of the adjustment bracket B (3), and the adjustment screw rod A (302) is threadedly connected to the matching plate (202).

6. A circuit breaker with a rapid arc extinguishing structure as claimed in claim 5, characterized in that: The adjustment bracket B (3) further comprises: an adjustment connection seat (303), the adjustment connection seat (303) being in the shape of a rectangular seat with a circular center, and the adjustment connection seat (303) being integrally arranged at the front end of the adjustment bracket B (3); and a limit joint B (304), the limit joint B (304) being in the shape of an arc-shaped structure, and the number of the limit joints B (304) being set to two, and the limit joints B (304) being symmetrically integrally arranged at both sides of the bottom of the adjustment bracket (303).

7. A circuit breaker with a rapid arc extinguishing structure as claimed in claim 6, characterized in that: The arc extinguishing seat (4) further comprises: a mounting joint (401), the mounting joint (401) being designed in an arc-shaped structure, the number of the mounting joints (401) being set to two, and the mounting joints (401) being symmetrically fixedly arranged on both sides of the arc extinguishing seat (4); a limiting support (402), the limiting support (402) being designed in a circular column structure, and the limiting support (402) being fixedly arranged on the top of the mounting joint (401); a sliding connection between the limiting support (402) and the limiting joint B (304); and an adjusting screw. B (403), the adjusting screw rod B (403) is rotatably arranged in the middle of the top of the arc extinguishing seat (4), and the adjusting screw rod B (403) is threadedly connected to the adjusting connecting seat (303); a limiting head (404), the limiting head (404) is in a circular structure, and the limiting head (404) is fixedly arranged on the top of the limiting support (402); an angle adjuster (405), the angle adjuster (405) is installed at the front end of the arc extinguishing seat (4); one side of the angle adjuster (405) is fixedly connected to one side of the arc extinguishing mounting seat (5).

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