Isolation type circuit breaker with metal packaging structure

Abstract

The utility model discloses an isolation type circuit breaker with a metal packaging structure, which relates to the technical field of circuit breakers, and comprises a metal shell, box doors are rotatably connected to two sides of one end of the metal shell, a limiting assembly is arranged between the metal shell and the box doors, a fixing column is fixedly connected to the inner wall of the metal shell, and the fixing column is fixedly connected to the inner wall of the metal shell. A plurality of circuit breaker bodies are arranged at one end of the fixing column, fixing blocks are symmetrically and fixedly connected to the ends, close to the fixing column, of the circuit breaker bodies, clamping grooves are formed in the ends, close to each other, of the fixing blocks, and a plurality of sets of grooves are symmetrically formed in the fixing column; through the structures of the push rod, the telescopic column, the connecting rod, the toothed plate, the gear, a rotating shaft, a clamping column, a clamping groove, a tension spring, a first spring and the like, the effects that a damaged circuit breaker can be directly replaced and the work of other circuit breakers is not affected are achieved, and the problems that in a traditional circuit breaker, when the damaged circuit breaker is replaced, a circuit breaker beside needs to be disassembled, and replacement is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to an isolation type circuit breaker with a metal packaging structure. Background Art

[0002] A circuit breaker is a switch device that can close, carry and disconnect current under normal circuit conditions and close, carry and disconnect current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use;

[0003] At present, the circuit breakers on the market are placed together in sequence when in use. Therefore, when one of them is damaged and cannot be used, the adjacent circuit breaker needs to be disassembled to complete the operation of replacing the damaged circuit breaker. In addition, the circuit breaker is not fixed in a limited position during use, resulting in the displacement of the circuit breaker.

[0004] To this end, this case proposes an isolation type circuit breaker with a metal packaging structure to solve the above technical problems. Utility Model Content

[0005] The main purpose of the utility model is to provide an isolating circuit breaker with a metal packaging structure, which can effectively solve the technical problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A kind of isolating circuit breaker with metal packaging structure comprises a metal shell, both sides of one end of the metal shell are rotatably connected with box doors, a limit assembly is arranged between the metal shell and the box door, a fixing column is fixedly connected with the inner wall of the metal shell, a plurality of circuit breaker bodies are arranged at one end of the fixing column, a plurality of circuit breaker bodies are symmetrically fixedly connected with fixing blocks at one end close to the fixing column, a clamping groove is provided at one end of the fixing blocks close to each other, a plurality of groups of grooves are symmetrically provided on the fixing column, the plurality of groups of grooves are connected by through holes, a rotating shaft is rotatably connected with the inner wall of the through hole, a gear is fixedly connected with the outer wall of the rotating shaft, a tooth plate is symmetrically meshed with the outer diameter of the gear about the center line of the rotating shaft, the tooth plate is slidably connected with the through hole, and a clamping column is fixedly connected with one end of the tooth plate away from each other.

[0008] As a further solution of the utility model, a telescopic groove is provided on one side of the bottom end of the fixing column corresponding to the groove, and the telescopic groove and the through hole are connected through a connecting hole.

[0009] As a further solution of the utility model, a circular groove is opened at the top of the connecting hole, a tension spring is fixedly connected to the top of the circular groove, a connecting rod is fixedly connected to the bottom of the tension spring, and one end of the connecting rod is fixedly connected to the toothed plate close to the connecting hole.

[0010] As a further solution of the utility model, the bottom end of the connecting rod is fixedly connected with a first spring, and the first spring is fixedly connected to the connecting hole.

[0011] As a further solution of the utility model, the other ends of the connecting rods are fixedly connected to telescopic columns, the telescopic columns are arranged on the inner wall of the telescopic grooves, and one ends of the telescopic columns are fixedly connected to push rods.

[0012] As a further solution of the utility model, the limit assembly includes a limit block, which is fixedly connected to the top of the metal shell, and placement grooves are opened on both sides of the bottom end of the limit block. The top of the placement groove is fixedly connected to a second spring, and the bottom of the second spring is fixedly connected to a limit column.

[0013] As a further solution of the utility model, the limiting assembly also includes two limiting grooves, both of which are opened at the top of the box door, and the limiting grooves and the limiting columns are matched in shape.

[0014] The beneficial effects of the utility model are as follows:

[0015] Through the cooperation of the push rod, telescopic column, connecting rod, tooth plate, gear, rotating shaft, clamping column, clamping groove, tension spring and first spring, the circuit breaker body can be removed separately for replacement. Therefore, when a circuit breaker body is damaged, it can be replaced separately without removing multiple adjacent ones, thus saving replacement time and not affecting the normal operation of other circuit breaker bodies.

[0016] The cooperation with the groove can prevent the circuit breaker body from shifting during use, thereby preventing the wire connection from loosening and preventing poor contact.

[0017] The box door can be limited by the elastic action of the second spring and the cooperation of the limiting column and the limiting groove, so that the metal shell is in a closed state, thereby protecting the circuit breaker body from being affected by the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an isolating circuit breaker with a metal packaging structure according to the utility model;

[0019] Figure 2 This is a diagram showing the internal structure of a metal casing of an isolating type circuit breaker with a metal packaging structure according to the utility model;

[0020] Figure 3 This is a disassembled diagram of an isolating circuit breaker with a metal packaging structure according to the utility model;

[0021] Figure 4 This is a bottom view of a fixing column of an isolating circuit breaker with a metal packaging structure according to the utility model;

[0022] Figure 5 This is a cross-sectional view of a fixing column of an isolating type circuit breaker with a metal packaging structure according to the utility model;

[0023] Figure 6 This is a structural diagram of a telescopic slot and a connecting hole of an isolating type circuit breaker with a metal packaging structure according to the utility model;

[0024] Figure 7 This is a cutting diagram of an isolating circuit breaker with a metal packaging structure according to the utility model.

[0025] In the figure: 1. metal shell; 2. box door; 3. fixing column; 4. circuit breaker body; 5. fixing block; 6. slot; 7. groove; 8. through hole; 9. rotating shaft; 10. gear; 11. tooth plate; 12. clamping column; 13. telescopic slot; 14. connecting hole; 15. circular slot; 16. tension spring; 17. connecting rod; 18. first spring; 19. telescopic column; 20. push rod; 21. limiting block; 22. placement slot; 23. second spring; 24. limiting column; 25. limiting slot. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1-7 As shown, an isolating circuit breaker with a metal packaging structure comprises a metal casing 1, and both sides of one end of the metal casing 1 are rotatably connected to a box door 2, and a limit assembly is arranged between the metal casing 1 and the box door 2. The metal casing 1 and the box door 2 are sealed and connected together by the limit assembly to form a whole, so as to protect the electrical components in the metal casing 1;

[0028] A fixing column 3 is fixedly connected to the inner wall of the metal shell 1, and a plurality of circuit breaker bodies 4 are arranged at one end of the fixing column 3. A fixing block 5 is symmetrically fixedly connected to one end of the plurality of circuit breaker bodies 4 close to the fixing column 3. The fixing blocks 5 are provided with a clamping groove 6 at one end close to each other. A plurality of groups of grooves 7 are symmetrically provided on the fixing column 3. The plurality of groups of grooves 7 are connected through a through hole 8. A rotating shaft 9 is rotatably connected to the inner wall of the through hole 8. A gear 10 is fixedly connected to the outer wall of the rotating shaft 9. A tooth plate 11 is symmetrically meshed and connected to the outer diameter of the gear 10 about the center line of the rotating shaft 9. The tooth plate 11 is slidably connected to the through hole 8. A clamping column 12 is fixedly connected to one end of the tooth plate 11 away from each other.

[0029] The cooperation between 5 and the groove 7 can prevent the circuit breaker body 4 from shifting during use, thereby avoiding loosening of the wire connection and preventing poor contact. The cooperation between the clamping column 12 and the clamping groove 6 can limit the position during installation and release the limit during disassembly. The gear 10 can move the toothed plate 11 at the same time.

[0030] In this embodiment, a telescopic groove 13 is provided on one side of the bottom end of the fixing column 3 corresponding to the groove 7, and the telescopic groove 13 and the through hole 8 are connected through a connecting hole 14;

[0031] The telescopic groove 13 and the through hole 8 are connected together through the connecting hole 14 to facilitate subsequent operations.

[0032] In this embodiment, a circular groove 15 is formed at the top of each connection hole 14, a tension spring 16 is fixedly connected to the top of each circular groove 15, a connecting rod 17 is fixedly connected to the bottom of each tension spring 16, and one end of each connecting rod 17 is fixedly connected to the toothed plate 11 near the connection hole 14;

[0033] The tension spring 16 is received by the circular groove 15 so that the connecting rod 17 is attached to the top of the connecting hole 14 , and the connecting rod 17 can be brought to perform a reset motion by the reset action of the tension spring 16 .

[0034] In this embodiment, the bottom end of the connecting rod 17 is fixedly connected with a first spring 18, and the first spring 18 is fixedly connected to the connecting hole 14;

[0035] With the cooperation of the first spring 18 and the tension spring 16 , the connecting rod 17 can be better limited.

[0036] In this embodiment, the other end of the connecting rod 17 is fixedly connected to a telescopic column 19, and the telescopic column 19 is arranged on the inner wall of the telescopic slot 13, and one end of the telescopic column 19 is fixedly connected to a push rod 20;

[0037] The push rod 20 can move the telescopic column 19 , thereby moving the connecting rod 17 , and the telescopic column 19 can be limited by the telescopic slot 13 .

[0038] In this embodiment, the limiting assembly includes a limiting block 21, which is fixedly connected to the top of the metal shell 1, and both sides of the bottom of the limiting block 21 are provided with placement grooves 22, the top of the placement grooves 22 are fixedly connected to the second springs 23, and the bottom of the second springs 23 are fixedly connected to the limiting columns 24;

[0039] The limiting column 24 can be retracted through the placement groove 22, and the limiting column 24 can be brought to perform a reset movement through the second spring 23.

[0040] In this embodiment, the limiting assembly further includes two limiting grooves 25, both of which are provided at the top of the door 2, and the limiting grooves 25 and the limiting columns 24 are in conformity with each other in shape;

[0041] The box door 2 can be limited by the limiting column 24 being stuck in the limiting groove 25, so that the box door 2 and the metal shell 1 can form a sealed whole, thereby preventing the electrical components in the metal shell 1 from being damaged.

[0042] It should be noted that the utility model is an isolating circuit breaker with a metal packaging structure. When in use, the push rod 20 is first pressed downward to move the telescopic column 19 downward, and the connecting rod 17 is moved downward, and the connecting rod 17 moves the tooth plate 11 on one side downward, and the tooth plate 11 on the other side is moved upward under the action of the gear 10 and the rotating shaft 9, so that the clamping column 12 leaves the range of the clamping slot 6 and contacts the limit of the pair 5, so that the circuit breaker body 4 can be taken out separately, and a new circuit breaker body 4 can be replaced, and the clamping column 12 can be clamped into the clamping slot 6 under the cooperation of the tension spring 16 and the first spring 18. Therefore, when a circuit breaker body 4 is damaged, it can be replaced separately without removing multiple adjacent ones, thereby saving replacement time and not affecting the normal operation of other circuit breaker bodies 4;

[0043] The cooperation between 5 and the groove 7 can prevent the circuit breaker body 4 from shifting during use, thereby preventing the wire connection from loosening and preventing poor contact.

[0044] When in use, the box door 2 can be limited by the elastic action of the second spring 23 and the cooperation of the limiting column 24 and the limiting groove 25, so that the metal shell 1 is in a closed state, thereby protecting the circuit breaker body 4 from being affected by the external environment.

[0045] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An isolating circuit breaker with a metal packaging structure, comprising a metal casing (1), wherein both sides of one end of the metal casing (1) are rotatably connected to a box door (2), and a limit position component is arranged between the metal casing (1) and the box door (2), characterized in that: A fixing column (3) is fixedly connected to the inner wall of the metal shell (1); a plurality of circuit breaker bodies (4) are arranged at one end of the fixing column (3); a fixing block (5) is symmetrically fixedly connected to one end of the plurality of circuit breaker bodies (4) close to the fixing column (3); a clamping groove (6) is provided at one end of the fixing blocks (5) close to each other; a plurality of groups of grooves (7) are symmetrically provided on the fixing column (3); the plurality of groups of grooves (7) are connected to each other through a through hole (8); a rotating shaft (9) is rotatably connected to the inner wall of the through hole (8); a gear (10) is fixedly connected to the outer wall of the rotating shaft (9); a tooth plate (11) is symmetrically meshed and connected to the outer diameter of the gear (10) about the center line of the rotating shaft (9); the tooth plate (11) and the through hole (8) are slidably connected; and a clamping column (12) is fixedly connected to one end of the tooth plate (11) away from each other.

2. The isolating circuit breaker with a metal packaging structure according to claim 1, characterized in that: A telescopic groove (13) is provided on one side of the bottom end of the fixing column (3) corresponding to the groove (7), and the telescopic groove (13) and the through hole (8) are connected via a connecting hole (14).

3. The isolating circuit breaker with a metal packaging structure according to claim 2, characterized in that: The top of the connecting hole (14) is provided with a circular groove (15), the top of the circular groove (15) is fixedly connected to a tension spring (16), the bottom of the tension spring (16) is fixedly connected to a connecting rod (17), and one end of the connecting rod (17) is fixedly connected to a toothed plate (11) close to the connecting hole (14).

4. The isolating circuit breaker with a metal packaging structure according to claim 3, characterized in that: The bottom end of the connecting rod (17) is fixedly connected to a first spring (18), and the first spring (18) is fixedly connected to the connecting hole (14).

5. The isolating circuit breaker with a metal packaging structure according to claim 4, characterized in that: The other end of the connecting rod (17) is fixedly connected to a telescopic column (19), the telescopic column (19) is arranged on the inner wall of the telescopic groove (13), and one end of the telescopic column (19) is fixedly connected to a push rod (20).

6. The isolating circuit breaker with a metal packaging structure according to claim 1, characterized in that: The limiting assembly comprises a limiting block (21), the limiting block (21) being fixedly connected to the top of the metal shell (1), placement grooves (22) being provided on both sides of the bottom of the limiting block (21), the top of the placement groove (22) being fixedly connected to a second spring (23), and the bottom of the second spring (23) being fixedly connected to a limiting column (24).

7. The isolating circuit breaker with a metal packaging structure according to claim 6, characterized in that: The limiting assembly further comprises two limiting grooves (25), both of which are arranged at the top of the door (2), and the limiting grooves (25) and the limiting columns (24) are matched in shape.

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