Circuit breaker convenient to overhaul

Abstract

The utility model relates to the technical field of circuit breakers, and discloses a circuit breaker convenient to overhaul, which comprises a circuit breaker body, and a sleeve block is fixedly connected outside the circuit breaker body. When the circuit breaker convenient to overhaul is used, a mounting plate is firstly mounted at a proper position through a screw, then the sleeve block is clamped outside a clamping block, and the clamping block is clamped outside the mounting plate; meanwhile, the whole inserting rod is clamped in the circular hole and penetrates through the interiors of the sleeve block and the clamping block, the locking block is rotated to enable the locking bar at the right end to be matched with the clamping groove, and finally the knob is rotated to complete installation and limiting of the circuit breaker body. The circuit breaker body is quickly disassembled by disassembling the locking block so as to facilitate maintenance operation, and when the air is relatively humid in a humid plum rain climate, the humid moisture is in contact with the plurality of drying strips through the plurality of meshes, so that the vicinity of the circuit breaker body can be ensured to be in a dry state.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker which is easy to repair. Background Art

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

[0003] A circuit breaker with publication number CN219457505U includes at least one circuit breaker unit, an operating mechanism is arranged in the base of the circuit breaker unit, and the operating mechanism includes a lock buckle and a jump buckle with overlapping fit; the lock buckle is arranged on the base through a torsion spring, and the torsion spring includes a first limit foot limited on the lock buckle, a second limit foot limited on the base, and a bending deformation part connecting the first limit foot and the second limit foot, the lock buckle is provided with an embedding groove adapted to the shape of the bending deformation part, the bending deformation part of the torsion spring is arranged in the embedding groove, and the first limit foot and the second limit foot are respectively led out of the embedding groove. The torsion spring of the circuit breaker of the utility model has better fatigue resistance, which is conducive to improving the stability and service life of the product.

[0004] However, the above-mentioned circuit breaker needs to be fixed in the installation position with no less than two screws during installation, which makes it inconvenient to disassemble and repair it during subsequent maintenance, affecting the maintenance efficiency. At the same time, when the circuit breaker is used in an environment that is too humid, there are more water molecules in the air, which is prone to short circuit risks. Therefore, it is necessary to provide a new circuit breaker that is easy to maintain to solve the above technical problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a circuit breaker that is easy to maintain, has the advantages of quick disassembly for easy maintenance, and can dehumidify, etc., which solves the problem that it is inconvenient to disassemble and maintain, which affects the maintenance efficiency. At the same time, when the circuit breaker is used in an environment that is too humid, there are more water molecules in the air, which makes it easy to have a short circuit risk.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of quick disassembly, easy maintenance and dehumidification, the utility model provides the following technical solutions: a circuit breaker that is easy to maintain, comprising: a circuit breaker body, a sleeve block is fixedly connected to the outside of the circuit breaker body, a clamping block is clamped inside the sleeve block, a circular hole is opened inside the sleeve block and the clamping block, a plug rod is clamped inside the circular hole, and a mounting plate is fixedly connected to the outside of the clamping block; a convenient locking assembly, the convenient locking assembly comprises a knob, the knob is threadedly connected to the inside of the plug rod, the right end of the knob is rotatably connected to a rotating rod, the outside of the rotating rod is fixedly connected to two locking strips, and the outer sleeve of the rotating rod is provided with a locking block. When in use When installing the circuit breaker, first install the mounting plate in a suitable position by means of screws, then clamp the sleeve block on the outside of the clamp block, and at the same time clamp the entire insertion rod in the inside of the circular hole so that it passes through the sleeve block and the inside of the clamp block, and rotate the locking block to make the right end locking bar match the clamping slot, and finally rotate the knob to complete the installation limit of the circuit breaker body. When disassembling, you only need to rotate the knob, and then rotate the locking block to make the right end locking bar match the perforation, and remove the locking block to complete the rapid disassembly of the circuit breaker body for maintenance. When encountering humid rainy weather, the air is relatively humid, and through a number of mesh holes, the humid moisture is in contact with a number of drying strips to ensure that the area near the circuit breaker body is in a dry state.

[0009] As a preferred technical solution of the utility model, a through hole is provided inside the locking block, and a slot is provided outside the locking block on a side away from the insertion rod. The through hole and the slot have the same shape and are consistent with the locking bar, so as to quickly lock the circuit breaker body.

[0010] As a preferred technical solution of the utility model, four mounting holes are opened inside the mounting plate, and the four mounting holes are located at the edge positions of the four corners of the mounting plate. The four mounting holes can be used in combination with screws to realize the installation of the entire device.

[0011] As a preferred technical solution of the utility model, a limiting groove is provided inside the insertion rod, and the locking strip on the left side slides inside the limiting groove, which can ensure that when the knob is turned, the entire rotating rod can be stably displaced horizontally to the left and right.

[0012] As a preferred technical solution of the utility model, a cavity is opened inside the sleeve block, and a plurality of drying strips are fixedly connected inside the cavity. A plurality of mesh holes for communicating with the outside air are opened on the inner walls on both sides of the cavity. The plurality of drying strips can ensure that the area near the circuit breaker body is in a dry state.

[0013] As a preferred technical solution of the utility model, a closable cover is rotatably connected to the outside of the cavity, and a limiting structure is provided between the cover and the sleeve block. The cover can facilitate opening the cavity for adding or replacing the drying strip.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a circuit breaker that is easy to repair and has the following features:

[0016] Beneficial effects:

[0017] 1. When using the circuit breaker which is easy to maintain, firstly, the mounting plate is installed in a suitable position by screws, and then the sleeve block is clamped on the outside of the clamping block, and at the same time, the entire insertion rod is clamped in the inside of the circular hole so that it passes through the sleeve block and the inside of the clamping block, and the locking block is rotated to make the right end locking bar match the clamping groove, and finally the knob is turned to complete the installation limit of the circuit breaker body. When disassembling, it is only necessary to turn the knob, and then turn the locking block to make the right end locking bar match the perforation, and then remove the locking block to complete the quick disassembly of the circuit breaker body for maintenance.

[0018] Second, when the circuit breaker is easy to maintain and encounters a humid rainy season, the air is relatively humid, and the humid water is brought into contact with a plurality of drying strips through a plurality of mesh holes, thereby ensuring that the area near the circuit breaker body is in a dry state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of a circuit breaker structure that is easy to repair according to the utility model;

[0020] Figure 2 This is a schematic diagram of a disassembly structure of a circuit breaker that is easy to repair according to the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the plug rod of the utility model.

[0022] Figure 4 It is a schematic diagram of the internal structure of the set block of the utility model.

[0023] In the figure: 1. mounting plate; 2. mounting hole; 3. sleeve block; 4. circuit breaker body; 5. knob; 6. clamp block; 7. round hole; 8. plug rod; 9. locking block; 10. mesh; 11. rotating rod; 12. locking strip; 13. limiting groove; 14. perforation; 15. clamping slot; 16. cavity; 17. drying strip. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Example 1

[0026] Reference Figure 1-3, which is the first embodiment of the utility model, provides a circuit breaker that is easy to repair, including: a circuit breaker body 4, a sleeve block 3 is fixedly connected to the outside of the circuit breaker body 4, a clamping block 6 is clamped inside the sleeve block 3, a round hole 7 is opened inside the sleeve block 3 and the clamping block 6, a plug rod 8 is clamped inside the round hole 7, and a mounting plate 1 is fixedly connected to the outside of the clamping block 6; a convenient locking assembly, the convenient locking assembly includes a knob 5, the knob 5 is threadedly connected to the inside of the plug rod 8, the right end of the knob 5 is rotatably connected to a rotating rod 11, the outside of the rotating rod 11 is fixedly connected to two locking strips 12, and the outside of the rotating rod 11 is sleeved with a locking block 9. When in use, first install the mounting plate 1 in a suitable position by screws. , then the sleeve block 3 is clamped on the outside of the clamping block 6, and the entire insertion rod 8 is clamped inside the circular hole 7, so that it passes through the sleeve block 3 and the inside of the clamping block 6, and the right end locking strip 12 is matched with the card slot 15 by rotating the locking block 9, and finally the knob 5 is rotated to complete the installation limit of the circuit breaker body 4. When disassembling, it is only necessary to rotate the knob 5, and then rotate the locking block 9 to make the right end locking strip 12 match the through hole 14, and remove the locking block 9 to complete the rapid disassembly of the circuit breaker body 4 for maintenance work. When encountering a humid rainy weather, the air is relatively humid. Through a plurality of mesh holes 10, the humid moisture contacts a plurality of drying strips 17, which can ensure that the vicinity of the circuit breaker body 4 is in a dry state.

[0027] A through hole 14 is provided inside the locking block 9, and a slot 15 is provided outside the locking block 9 on a side away from the insertion rod 8. The through hole 14 and the slot 15 have the same shape and match the locking bar 12, so as to quickly lock the circuit breaker body 4.

[0028] Four mounting holes 2 are provided inside the mounting plate 1 . The four mounting holes 2 are located at the edges of the four corners of the mounting plate 1 . The four mounting holes 2 can be used in combination with screws to achieve the installation of the entire device.

[0029] A limiting groove 13 is provided inside the insertion rod 8, and the left locking strip 12 slides inside the limiting groove 13. The left locking strip 12 slides inside the limiting groove 13 to ensure that when the knob 5 is rotated, the entire rotating rod 11 can be stably displaced horizontally to the left and right.

[0030] During use, first install the mounting plate 1 in a suitable position by means of screws, then clamp the sleeve block 3 on the outside of the clamp block 6, and at the same time clamp the entire insertion rod 8 in the inside of the circular hole 7, so that it passes through the sleeve block 3 and the clamp block 6, and the locking block 9 is rotated to make the right end locking bar 12 coincide with the clamping groove 15, and finally the knob 5 is rotated to complete the installation limit of the circuit breaker body 4. When disassembling, it is only necessary to rotate the knob 5, and then rotate the locking block 9 to make the right end locking bar 12 coincide with the through hole 14, and remove the locking block 9 to complete the quick disassembly of the circuit breaker body 4 for easy maintenance.

[0031] Example 2

[0032] Reference Figure 1-4 , which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that: a cavity 16 is opened inside the sleeve block 3, and a plurality of drying strips 17 are fixedly connected inside the cavity 16. The inner walls on both sides of the cavity 16 are opened with a plurality of mesh holes 10 that are ventilated with the outside air. The plurality of drying strips 17 can ensure that the vicinity of the circuit breaker body 4 is in a dry state.

[0033] The outside of the cavity 16 is rotatably connected with a closable cover plate, and a limit structure is provided between the cover plate and the sleeve block 3 . The cover plate can facilitate opening the cavity 16 for adding or replacing the drying strip 17 .

[0034] During use, when encountering a humid rainy season, the air is relatively humid, and the humid water passes through the plurality of meshes 10 so as to contact the plurality of drying strips 17, thereby ensuring that the vicinity of the circuit breaker body 4 is in a dry state.

[0035] The remaining structures are the same as those of Example 1.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A circuit breaker that is easy to maintain, characterized in that: include: A circuit breaker body (4), wherein a sleeve block (3) is fixedly connected to the outside of the circuit breaker body (4), a clamping block (6) is clamped inside the sleeve block (3), a circular hole (7) is provided inside the sleeve block (3) and the clamping block (6), an insert rod (8) is clamped inside the circular hole (7), and a mounting plate (1) is fixedly connected to the outside of the clamping block (6); A convenient locking assembly, comprising a knob (5), wherein the knob (5) is threadedly rotatably connected to the inside of an insertion rod (8), the right end of the knob (5) is rotatably connected to a rotating rod (11), the outside of the rotating rod (11) is fixedly connected to two locking strips (12), and the outside of the rotating rod (11) is sleeved with a locking block (9).

2. A circuit breaker that is easy to maintain according to claim 1, characterized in that: A through hole (14) is provided inside the locking block (9), and a slot (15) is provided outside a side of the locking block (9) away from the insertion rod (8).

3. A circuit breaker that is easy to maintain according to claim 1, characterized in that: Four mounting holes (2) are provided inside the mounting plate (1), and the four mounting holes (2) are located at the edge positions of the four corners of the mounting plate (1).

4. A circuit breaker that is easy to maintain according to claim 1, characterized in that: A limiting groove (13) is provided inside the insertion rod (8), and the locking strip (12) on the left side slides inside the limiting groove (13).

5. The circuit breaker that is easy to maintain according to claim 1, characterized in that: A cavity (16) is provided inside the housing block (3), a plurality of drying strips (17) are fixedly connected inside the cavity (16), and a plurality of mesh holes (10) for communicating with the outside air are provided on the inner walls on both sides of the cavity (16).

6. A circuit breaker that is easy to maintain according to claim 5, characterized in that: The outside of the cavity (16) is rotatably connected with a closable cover plate, and a limiting structure is provided between the cover plate and the sleeve block (3).

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