Pluggable miniature circuit breaker

Abstract

The utility model discloses a plug-in type miniature circuit breaker, which belongs to the technical field of miniature circuit breakers and comprises a fixed block, moving blocks are arranged on two side surfaces of the fixed block in a penetrating manner, moving plates are symmetrically mounted at opposite ends of the two moving blocks, racks are mounted on opposite side surfaces of the two moving plates, a gear is arranged between the two racks, and the gear is arranged on the gear. The bottom face of the gear is fixedly connected with a rotating shaft, the free end of the rotating shaft is rotationally connected with the bottom face of an inner cavity of the fixing block, the circumferential side of the rotating shaft is fixedly sleeved with auxiliary teeth, one side of the auxiliary teeth is provided with a rotating column, one end of the rotating column is fixedly sleeved with conical teeth matched with the auxiliary teeth, and the other end of the rotating column is fixedly connected with a rotating disc. The rotating disc is arranged on one side of the fixing block, and a plurality of embedding holes are formed in one side face of the fixing block in an annular array mode. According to the plug-in miniature circuit breaker, the problem that the miniature circuit breaker is inconvenient to disassemble for replacement or maintenance is solved, and the continuous power supply efficiency of the miniature circuit breaker is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of miniature circuit breakers, in particular to a plug-in miniature circuit breaker. Background Art

[0002] A miniature circuit breaker is a low-voltage circuit breaker used on AC 50 / 60Hz lines with a rated voltage of 230 / 400V and a rated current of less than 63A. It is commonly used in industrial, commercial, high-rise and residential places. Today's miniature circuit breakers are usually clipped onto rails and fixed with screws, etc. Other equipment may also be installed on the rails, which means that when a miniature circuit breaker fails or needs to be replaced, the miniature circuit breaker and the connecting device need to be completely removed, which makes it inconvenient to disassemble the miniature circuit breaker, thereby reducing the efficiency of the miniature circuit breaker's continuous power supply.

[0003] For example, the existing Chinese patent number is: CN211294996U circuit breaker, which: "comprises a circuit breaker body, a wiring slot, a protective component and a button, the wiring slot is opened on the upper and lower sides of the circuit breaker body, the button is installed on the front end face of the circuit breaker body, the protective component is arranged in front of the button, the protective component includes a mounting seat, a protective cover, a storage slot, a support rod, a magnet block, a rotating pin, a buckle block, a buckle slot and an elastic buckle, the mounting seat is installed on the rear end face of the button, the front end face of the mounting seat is symmetrically provided with storage slots on the left and right sides, the storage slot is installed with a support rod, the lower side of the support rod is installed with a rotating pin, the support rod is connected to the inner wall of the storage slot through the rotating pin, the magnet block is fixed on the upper side of the storage slot, the protective cover is installed on the front end face of the mounting seat, the lower side of the front end face of the mounting seat is provided with a buckle slot, the lower side of the rear end face of the protective cover is provided with a buckle block, and the lower end face of the buckle block is provided with an elastic buckle."

[0004] It can be seen that the cited patent document has the problem that the circuit breaker is fixed with screws and cannot be easily disassembled. Utility Model Content

[0005] The utility model aims to provide a pluggable miniature circuit breaker to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plug-in miniature circuit breaker, comprising a fixed block, both sides of the fixed block are penetrated by moving blocks, the opposite ends of the two moving blocks are symmetrically installed with moving plates, the opposite sides of the two moving plates are installed with racks, a gear is arranged between the two racks, the gear is respectively meshed with the two racks, and one side of the two moving blocks is provided with a telescopic rod and a fixed rod, the bottom surface of the gear is fixedly connected to a rotating shaft, the free end of the rotating shaft is rotatably connected to the bottom surface of the inner cavity of the fixed block, the circumferential fixed sleeve of the rotating shaft is provided with auxiliary teeth, a rotating column is provided on one side of the auxiliary teeth, one end of the rotating column is fixedly sleeved with conical teeth adapted to the auxiliary teeth, and the other end of the rotating column is fixedly connected to a turntable.

[0007] Preferably, the turntable is arranged on one side of the fixed block, and a plurality of engaging holes are provided in a circular array on a side surface of the fixed block facing the turntable.

[0008] Preferably, a through hole is penetrated through one side surface of the turntable, an adapted sliding column is placed in the inner cavity of the through hole, and limiting blocks adapted to the fitting hole are fixedly mounted on both ends of the sliding column.

[0009] Preferably, rectangular grooves for the moving block to pass through are formed on both side surfaces of the fixed block, and the two fixed rods are welded to one side surface of the moving block.

[0010] Preferably, the two telescopic rods are sleeved on the peripheral side of the fixed rod, and a plurality of clamping holes are symmetrically opened on one side of the fixed rod and the telescopic rod.

[0011] Preferably, the inner cavity of the clamping hole is provided with bolts for fixing the fixing rod and the telescopic rod, and a soft pad is provided on a side of the fixing block facing the two telescopic rods.

[0012] Preferably, one end of the two telescopic rods away from the fixed rod is connected to a baffle for limiting the miniature circuit breaker, and the bottom surface of the fixed block is connected to a pad for supporting the miniature circuit breaker.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0014] The pluggable miniature circuit breaker can be placed on a pad and plugged in and out of the guide rail through a fixing block, so that the fixing block can move the miniature circuit breaker on the guide rail, thereby facilitating the movement of the position of the miniature circuit breaker on the guide rail and preventing the miniature circuit breaker from being fixed on the guide rail and obstructing the installation of other equipment.

[0015] And through the setting of two moving blocks, the two moving blocks can be moved with the telescopic rod and the fixed rod to clamp and fix the miniature circuit breaker, thereby facilitating the disassembly, maintenance or replacement of the miniature circuit breaker. Through the setting of gears and teeth, the two moving blocks can be driven to move synchronously to assist the telescopic rod in clamping and fixing the miniature circuit breaker. The bolts and multiple clamping holes arranged on one side of the telescopic rod and the fixed rod can clamp and fix miniature circuit breakers of different sizes, thereby improving the efficiency of continuous power supply of the miniature circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure inside the fixed block of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the rack and gear of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the turntable and the interlocking hole of the utility model.

[0021] Description of reference numerals:

[0022] In the figure: 1, fixed block; 2, moving block; 3, moving plate; 4, rack; 5, gear; 6, rotating shaft; 7, auxiliary teeth; 8, conical teeth; 9, rotating column; 10, rotating disk; 11, through hole; 12, sliding column; 13, limit block; 14, fitting hole; 15, telescopic rod; 16, fixed rod; 17, clamping hole; 18, bolt; 19, pad. DETAILED DESCRIPTION

[0023] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0025] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0026] like Figures 1 to 4 A pluggable miniature circuit breaker is shown, comprising a fixed block 1, and one side of the fixed block 1 can be plugged in and out of the guide rail, and the miniature circuit breaker is driven to move on the guide rail by the fixed block 1, so as to avoid the miniature circuit breaker fixedly installed on the guide rail from obstructing the installation of other equipment, and to prevent the miniature circuit breaker from being completely disassembled and reinstalled due to obstruction of the installation of other equipment. Moving blocks 2 are penetrated on both sides of the fixed block 1, and moving plates 3 are symmetrically installed on the opposite ends of the two moving blocks 2. Racks 4 are installed on the opposite sides of the two moving plates 3, and gears 5 are arranged between the two racks 4. The gears 5 are respectively meshed with the two racks 4. The racks 4 and the moving plates 3 are driven to move left and right by the rotation of the gears 5, thereby driving the moving blocks 2 to move left and right on the two sides of the fixed block 1, and telescopic rods 15 and fixed rods 16 are arranged on one side of the two moving blocks 2. When the two moving blocks 2 move left and right, the fixed rods 16 are driven 16 and the telescopic rod 15 move left and right, so that the telescopic rod 15 clamps and fixes the miniature circuit breaker. The bottom surface of the gear 5 is fixedly connected with a rotating shaft 6, and the free end of the rotating shaft 6 is rotatably connected to the bottom surface of the inner cavity of the fixed block 1. The peripheral fixed sleeve of the rotating shaft 6 is provided with an auxiliary tooth 7, and a rotating column 9 is provided on one side of the auxiliary tooth 7. A fixed sleeve at one end of the rotating column 9 is provided with a conical tooth 8 adapted to the auxiliary tooth 7, and a rotating disk 10 is fixedly connected to the other end of the rotating column 9. By rotating the rotating disk 10, the rotating disk 10 drives the rotating column 9 and the conical tooth 8 to rotate, and the auxiliary tooth 7 adapted to the conical tooth 8 drives the rotating shaft 6 to rotate, thereby driving the gear 5 to rotate. The two moving blocks 2 can be adjusted left and right by rotating the rotating disk 10, so that the two telescopic rods 15 clamp and fix the miniature circuit breaker, so that the miniature circuit breaker can be easily disassembled from one side of the fixed block 1 for maintenance or replacement, thereby improving the maintenance efficiency of the miniature circuit breaker.

[0027] The turntable 10 is arranged on one side of the fixed block 1, and the fixed block 1 is provided with a plurality of engaging holes 14 in a circular array on a side surface facing the turntable 10. A through hole 11 is penetrated on one side surface of the turntable 10, and an adapted sliding post 12 is placed in the inner cavity of the through hole 11. Limiting blocks 13 adapted to the engaging holes 14 are fixedly installed at both ends of the sliding post 12. The limiting blocks 13 can limit the sliding post 12 in the inner cavity of the turntable 10 to prevent the sliding post 12 from moving out of the turntable 10. After the turntable 10 drives the moving block 2 to move to a suitable position, the sliding post 12 is pressed, so that the sliding post 12 and the limiting block 13 at one end enter the engaging hole 14, thereby fixing the turntable 10, and then fixing the telescopic rod 15 in the clamping of the miniature circuit breaker. Conversely, when the turntable 10 needs to be rotated, the sliding post 12 is pulled out of the engaging hole 14 to rotate the turntable 10.

[0028] Rectangular grooves are provided on both sides of the fixed block 1 for the moving block 2 to pass through, two fixed rods 16 are welded to one side of the moving block 2, two telescopic rods 15 are sleeved on the peripheral side of the fixed rod 16, and the telescopic rod 15 can move on the peripheral side of the fixed rod 16, and a plurality of clamping holes 17 are symmetrically provided on one side of the fixed rod 16 and the telescopic rod 15, and the inner cavity of the clamping hole 17 is provided with a bolt 18 for fixing the fixed rod 16 and the telescopic rod 15. When the telescopic rod 15 moves on the peripheral side of the fixed rod 16, the plurality of clamping holes 17 are overlapped, and the bolts 18 are inserted into two of the clamping holes 17, so that the telescopic rod 15 and the fixed rod 16 can be fixed, and then the length of the telescopic rod 15 and the fixed rod 16 can be adjusted by miniature circuit breakers of different sizes.

[0029] A soft pad is provided on one side of the fixed block 1 facing the two telescopic rods 15, which can protect the miniature circuit breaker to avoid scratches. The ends of the two telescopic rods 15 away from the fixed rod 16 are connected with baffles for limiting the miniature circuit breaker. When the telescopic rods 15 and the fixed rods 16 are moved to the size of the appropriate miniature circuit breaker, the baffles will press against one side of the miniature baffle to fix it. The bottom surface of the fixed block 1 is connected with a pad 19 for supporting the miniature circuit breaker. The miniature circuit breaker is placed on the pad 19 and fixed by the telescopic rod 15, and then the miniature circuit breaker is plugged in and out of the guide rail through the fixed block 1.

[0030] Working principle:

[0031] The plug-in miniature circuit breaker places the miniature circuit breaker on a pad 19, and plugs the miniature circuit breaker into a guide rail through a fixed block 1, so that the fixed block 1 can move the miniature circuit breaker on the guide rail, and rotate the turntable 10, the turntable 10 drives the rotating column 9 and the conical gear 8 to rotate, thereby driving the rotating shaft 6 to rotate through the auxiliary gear 7, and the rotation of the rotating shaft 6 drives the gear 5 to rotate, and then drives the two racks 4 meshing with the gear 5 to move, so that the two racks 4 respectively drive the moving block 2 to move left and right, so that the moving block 2 drives the fixed rod 16 and the telescopic rod 15 to move left and right, so that the distance between the two telescopic rods 15 is suitable for circuit breakers of different sizes, and the turntable 10 is rotated in the opposite direction, so that the telescopic rod 15 squeezes and fixes the miniature circuit breaker, so that the miniature circuit breaker can be easily removed from the fixed block 1 for maintenance or replacement, thereby improving the efficiency of continuous power supply of the miniature circuit breaker.

[0032] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pluggable miniature circuit breaker, comprising a fixing block (1), characterized in that: The two sides of the fixed block (1) are penetrated by moving blocks (2), and the opposite ends of the two moving blocks (2) are symmetrically installed with moving plates (3), and the opposite sides of the two moving plates (3) are installed with racks (4). A gear (5) is arranged between the two racks (4), and the gear (5) is respectively meshed with the two racks (4). A telescopic rod (15) and a fixed rod (16) are arranged on one side of the two moving blocks (2). The bottom surface of the gear (5) is fixedly connected with a rotating shaft (6), and the free end of the rotating shaft (6) is rotatably connected to the bottom surface of the inner cavity of the fixed block (1). The peripheral fixed sleeve of the rotating shaft (6) is provided with auxiliary teeth (7), and a rotating column (9) is arranged on one side of the auxiliary teeth (7). One end of the rotating column (9) is fixedly sleeved with a conical tooth (8) adapted to the auxiliary teeth (7), and the other end of the rotating column (9) is fixedly connected with a rotating disk (10).

2. The pluggable miniature circuit breaker according to claim 1, characterized in that: The rotating disk (10) is arranged on one side of the fixed block (1), and a plurality of engaging holes (14) are provided in a circular array on a side surface of the fixed block (1) facing the rotating disk (10).

3. The pluggable miniature circuit breaker according to claim 2, characterized in that: A through hole (11) is formed through one side of the turntable (10), an adapted sliding column (12) is placed in the inner cavity of the through hole (11), and limit blocks (13) adapted to the fitting hole (14) are fixedly mounted at both ends of the sliding column (12).

4. The pluggable miniature circuit breaker according to claim 1, characterized in that: Rectangular grooves for the moving block (2) to pass through are provided on both sides of the fixed block (1), and the two fixed rods (16) are welded to one side of the moving block (2).

5. The pluggable miniature circuit breaker according to claim 1, characterized in that: The two telescopic rods (15) are sleeved on the peripheral side of the fixed rod (16), and a plurality of clamping holes (17) are symmetrically provided on one side of the fixed rod (16) and the telescopic rod (15).

6. The pluggable miniature circuit breaker according to claim 5, characterized in that: The inner cavity of the clamping hole (17) is provided with a bolt (18) for fixing the fixing rod (16) and the telescopic rod (15), and a soft pad is provided on a side of the fixing block (1) facing the two telescopic rods (15).

7. The pluggable miniature circuit breaker according to claim 5, characterized in that: One end of the two telescopic rods (15) away from the fixed rod (16) is connected to a baffle for limiting the miniature circuit breaker, and the bottom surface of the fixed block (1) is connected to a pad (19) for supporting the miniature circuit breaker.

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