Split type housing mechanism of outdoor permanent-magnet vacuum circuit breaker

Abstract

The utility model belongs to the field of permanent -magnetic vacuum circuit breaker especially is outdoor permanent -magnetic vacuum circuit breaker's split type casing mechanism, and the existing circuit breaker casing is mostly integral structure, and the traditional circuit breaker casing lacks effective protection mechanism, and the problem that is easily opened at random by irrelevant personnel, and the present scheme is proposed as follows, including installation base plate and circuit breaker shell, the circuit breaker shell is clamped in the top of installation base plate, and both sides of the top of installation base plate are fixedly connected with the side plate, and the circuit breaker shell is located between two side plates, and both sides of circuit breaker shell are provided with vertical slot, and the inner wall of one side of vertical slot is provided with rectangular jack, in the utility model, by setting up the unique clamping assembly and control assembly, convenient operation mode is provided for professional maintenance personnel, and the opening mode of the device has higher technical threshold, and this design effectively prevents irrelevant personnel from opening the device at random, protects internal precision components, and reduces the risk of safety accidents caused by misoperation.

Description

Technical Field

[0001] This utility model relates to the field of permanent magnet vacuum circuit breaker technology, and in particular to the split-type housing mechanism of outdoor permanent magnet vacuum circuit breakers. Background Technology

[0002] In practical applications of outdoor permanent magnet vacuum circuit breakers, their housing structure plays a crucial role in the stable operation and protection performance of the equipment. Traditional circuit breaker housings are mostly one-piece structures. During equipment maintenance, repair, or component replacement, the entire housing often needs to be disassembled, a cumbersome and time-consuming process that increases maintenance costs and difficulty. Furthermore, when a part of the one-piece housing is damaged, the entire unit usually needs to be replaced, resulting in wasted resources. Moreover, traditional circuit breaker housings lack effective protective mechanisms, making them easily accessible to unauthorized personnel, potentially damaging internal precision components and even causing safety accidents.

[0003] With the increasing demand for circuit breakers and the growing requirements for maintenance efficiency and safety, the development of a split-type housing mechanism that can conveniently, quickly, and safely separate and assemble the circuit breaker housing from the mounting base plate, while also providing good protective performance, has become an urgent problem to be solved in the industry. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where traditional circuit breaker housings are mostly one-piece structures. During equipment maintenance, repair, or component replacement, the entire housing often needs to be disassembled, resulting in a cumbersome and time-consuming process, increasing maintenance costs and difficulty. Furthermore, when a part of the one-piece housing is damaged, the entire unit usually needs to be replaced, leading to resource waste. Moreover, traditional circuit breaker housings lack effective protective mechanisms, making them easily accessible to unauthorized personnel, potentially damaging internal precision components and even causing safety accidents. The proposed invention addresses these shortcomings by providing a split-type housing mechanism for outdoor permanent magnet vacuum circuit breakers.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The outdoor permanent magnet vacuum circuit breaker has a split housing mechanism, including a mounting base plate and a circuit breaker housing. The circuit breaker housing is snapped onto the top of the mounting base plate. Side plates are fixedly connected to both sides of the top of the mounting base plate. The circuit breaker housing is located between the two side plates. Vertical slots are opened on both sides of the circuit breaker housing. A rectangular insertion hole is opened on the inner wall of one side of the vertical slot. The rectangular insertion hole communicates with the inner cavity of the circuit breaker housing. A side hole communicating with it is opened on the inner wall of one side of the rectangular insertion hole. A snap-fit ​​assembly, located inside the vertical slot, is used to snap the mounting base plate and the circuit breaker housing together. The control component is slidably connected inside a rectangular hole on one side of the circuit breaker housing, and is used to control the connection and disassembly of the snap-fit ​​component; During disassembly, after moving the circuit breaker housing upwards until the rectangular rod aligns with the rectangular socket, the operating control component moves the snap-fit ​​component, causing the first rectangular plate to disengage from the clearance groove.

[0006] In one possible design, the snap-fit ​​assembly includes an annular plate slidably connected inside the vertical groove, with a rectangular rod slidingly passing through the interior of the annular plate. The end of the rectangular rod is fixedly connected to a first rectangular plate, and a clearance groove is formed on one side of the side plate to accommodate the first rectangular plate.

[0007] In one possible design, the control assembly includes two operating plates slidably connected inside a rectangular hole. The two operating plates are symmetrically arranged, and a sliding plate is fixedly connected to the side of the operating plate near the inner cavity of the circuit breaker housing. The two sliding plates are staggered and their sum of height is equal to the height of the operating plate. A baffle is fixedly connected to one side of the sliding plate, and the two baffles are arranged vertically and vertically to jointly block the rectangular hole.

[0008] In one possible design, the control assembly also includes a crossbar fixedly connected to one side of the sliding plate, an L-shaped block fixedly connected to one side of the crossbar, a second rectangular plate fixedly connected to one side of the L-shaped block, and the second rectangular plate passing through a side hole.

[0009] In one possible design, a strip plate is fixedly connected to one side of the second rectangular plate, and a strip hole is opened on one side of the rectangular rod. The strip plate and the strip hole cooperate to pull the rectangular rod to move laterally, and the rectangular rod cooperates with the rectangular insertion hole to disengage the first rectangular plate from the relief groove.

[0010] In one possible design, an outer cylinder and an inner rod are fixedly connected between the two operating plates on their adjacent sides, with the inner rod slidingly extending into the interior of the outer cylinder, and a compression spring is provided between the end of the inner rod and the inner wall of the outer cylinder.

[0011] In one possible design, during disassembly, pressing the operating plate causes the sliding plate to move. The sliding plate, through the crossbar, L-shaped block, and second rectangular plate, causes the strip plate to move laterally. The strip plate inserts into the strip hole and pulls the rectangular bar to move laterally, causing the first rectangular plate to disengage from the relief groove.

[0012] In one possible design, two baffles together block the rectangular hole when the control panel is not pressed, preventing dust from entering.

[0013] In one possible design, the compression spring is compressed when the control panel is pressed and returns the control panel to its original position when it is released.

[0014] In this application, when it is necessary to remove the circuit breaker housing and install the base plate, the circuit breaker housing needs to be moved up first. At this time, the annular plate is slidably connected inside the vertical groove, and the rectangular rod slides inside the vertical groove along with the annular plate. The first rectangular plate is inside the clearance groove, and one side of the rectangular rod abuts against the inner wall of one side of the vertical groove, making it impossible to move horizontally inside the annular plate. As a result, when the circuit breaker housing is moved up directly, the first rectangular plate is stuck inside the clearance groove and cannot be moved out directly. Furthermore, the second rectangular plate passes through the side hole, and the strip plate is located inside the vertical groove. When the rectangular rod moves upward, the strip plate will pass through the inside of the strip hole. If you want to separate the circuit breaker housing and the mounting base plate, you need to move the circuit breaker housing to a suitable height. At this time, the rectangular rod and the rectangular socket are aligned. You can press the two operating plates. The operating plates drive the two sliding plates to move closer to each other. The two operating plates drive the inner rod into the inside of the outer cylinder. The inner rod squeezes and compresses the spring, which facilitates subsequent rebound. Simultaneously, two sliding plates and two baffles are set vertically to jointly seal the rectangular hole for dust prevention. The sliding plates drive the side crossbar to move laterally, the crossbar drives the L-shaped block to move laterally, the L-shaped block drives the second rectangular plate to move laterally, the second rectangular plate drives the strip plate to move laterally, and the strip plate is now inside the strip hole, which can drive the rectangular rod to move laterally. The rectangular rod drives the first rectangular plate to move laterally, and the rectangular rod enters the interior of the rectangular socket, which allows the first rectangular plate to disengage from the clearance groove, thereby allowing the circuit breaker housing to be removed and improving the protection performance of the device.

[0015] Beneficial Effects: The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker, through its unique snap-fit ​​and control components, provides a convenient operating method for professional maintenance personnel. When it is necessary to remove the circuit breaker housing and mounting base plate, the operator must first move the circuit breaker housing to a suitable height, aligning the rectangular rod with the rectangular socket. Then, pressing the operating panel moves the relevant components, disengaging the first rectangular plate from the recess, allowing the circuit breaker housing to be removed. The installation process follows the same specific steps in reverse to achieve snap-fit ​​fixation. This operating method requires operators to be familiar with the internal structure of the device and understand the interrelationships and operating sequence of the components, greatly improving the professionalism of disassembly and installation and avoiding equipment damage caused by misoperation.

[0016] The opening mechanism of this device has a high technical threshold; only personnel familiar with its internal structure can master the correct operating method. The special design of the control components, such as the sliding plate, baffle, crossbar, L-shaped block, second rectangular plate, and the interaction between the strip plate and the strip hole, makes it difficult for unauthorized personnel to open the circuit breaker casing using conventional methods without understanding the internal structure. This design effectively prevents unauthorized personnel from arbitrarily opening the device, protects the internal precision components, and reduces the risk of safety accidents caused by misoperation.

[0017] The control assembly features two sliding plates and two baffles positioned vertically to seal the rectangular opening, effectively preventing dust and debris from entering the circuit breaker housing and protecting the internal components. Simultaneously, the snap-fit ​​assembly has an annular plate slidably connected within the vertical slot, with the rectangular rod sliding inside the annular plate and contacting the inner wall of the vertical slot at specific positions. This ensures the stability of the circuit breaker housing during normal use and prevents separation of the housing from the mounting plate due to accidental shaking or vibration. This dual protection mechanism guarantees both the protective performance of the device and the safe and reliable operation of the circuit breaker.

[0018] Compared to traditional one-piece shell structures, the split shell mechanism of this application eliminates the need for complete disassembly during maintenance and repair. Only the parts requiring maintenance need to be operated, significantly improving maintenance efficiency. Simultaneously, it reduces resource waste caused by replacing the entire shell, lowering maintenance costs. Furthermore, the specialized opening method of the device reduces equipment damage and repair needs due to unauthorized personnel, further reducing operating costs. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker proposed in this utility model; Figure 2 An exploded view of the split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker proposed in this utility model; Figure 3 This is an exploded view of the side plate and the limiting block in the split-shell mechanism of the outdoor permanent magnet vacuum circuit breaker proposed in this utility model. Figure 4 This is an exploded view of the sleeve and inner rod in the split-shell mechanism of the outdoor permanent magnet vacuum circuit breaker proposed in this utility model.

[0020] In the diagram: 1. Mounting base plate; 2. Circuit breaker housing; 3. Side plate; 4. Rectangular hole; 5. Horizontal bar; 6. Vertical slot; 7. Side hole; 8. Rectangular insertion hole; 9. Clearance slot; 10. First rectangular plate; 11. Rectangular rod; 12. Strip hole; 13. Annular plate; 14. Strip plate; 15. Second rectangular plate; 16. L-shaped block; 17. Sliding plate; 18. Operating panel; 19. Baffle; 20. Inner rod; 21. Compression spring; 22. Outer cylinder. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] In one embodiment; reference Figure 1-4The split-type housing mechanism includes the following specific implementation of the split-type housing mechanism for the outdoor permanent magnet vacuum circuit breaker: The mounting base plate 1 is pre-fixed to the outdoor mounting base by bolts or other fasteners. Vertically upward-facing side plates 3 are welded or integrally formed on both sides of the top of the mounting base plate 1, forming an accommodating space between the two side plates 3. The main body of the circuit breaker housing 2 is located within the accommodating space between the two side plates 3. A vertical groove 6 is opened on each of the left and right outer walls of the circuit breaker housing 2. A rectangular insertion hole 8 is opened on the inner wall of each groove 6 near the inner cavity of the circuit breaker housing 2, extending through the inner cavity of the circuit breaker housing 2. One side wall of the rectangular insertion hole 8 (usually the wall near the front or rear side of the circuit breaker housing 2) has a side hole 7 communicating with it, the width of the side hole 7 being smaller than the width of the rectangular insertion hole 8.

[0023] The snap-fit ​​assembly is installed inside the vertical slot 6. This assembly includes an annular plate 13 that can slide up and down within the vertical slot 6. A rectangular rod 11 slides laterally through the central hole of the annular plate 13. One end of the rectangular rod 11 (the end located on the outside of the circuit breaker housing 2) is fixedly connected to a first rectangular plate 10. Correspondingly, a clearance groove 9 is formed on the inner surface of the side plate 3 facing the circuit breaker housing 2, the size of which is precisely to accommodate the first rectangular plate 10. When the circuit breaker housing 2 is in place, the first rectangular plate 10 is embedded in the corresponding clearance groove 9.

[0024] The control assembly is installed in a rectangular hole 4 on one side of the circuit breaker housing 2. Two operating plates 18 are slidably installed side by side in the rectangular hole 4. A sliding plate 17 is fixedly connected to the side of each operating plate 18 facing the inner cavity of the circuit breaker housing 2. The two sliding plates 17 are staggered in the height direction, that is, one sliding plate 17 is in the upper half and the other is in the lower half, and their total height is equal to the height of the operating plate 18, and the two sliding plates 17 do not contact each other in space. A baffle 19 is fixed to the side of each sliding plate 17, and the two baffles 19 are also arranged vertically. When the operating plate 18 is not pressed, the two baffles 19 fit tightly together, sealing the rectangular hole 4, which serves as a dustproof and protective function. A crossbar 5 is also fixedly connected to the side of each sliding plate 17 facing the inside of the circuit breaker housing 2. An L-shaped block 16 is fixed to the end of each crossbar 5. A second rectangular plate 15 is fixedly connected to the vertical arm of each L-shaped block 16. The second rectangular plate 15 passes through the corresponding side hole 7 and extends to the area where the vertical groove 6 is located.

[0025] This application can be used in the field of permanent magnet vacuum circuit breakers, or in other fields applicable to this application.

[0026] In another embodiment; reference Figure 1-4The outdoor permanent magnet vacuum circuit breaker features a split-type housing mechanism. In this design, a strip plate 14 is fixedly connected to the side of the second rectangular plate 15 facing the vertical slot 6. A strip hole 12 is provided on the rectangular rod 11. The strip plate 14 is positioned such that when the circuit breaker housing 2 is in the installation state, it can be inserted into or aligned with the strip hole 12 on the rectangular rod 11. A linkage mechanism connects the two operating plates 18 on their adjacent sides: an outer cylinder 22 is fixed to one operating plate 18, and an inner rod 20 is fixed to the other. The inner rod 20 slides into the outer cylinder 22, and a compression spring 21 is installed between the end of the inner rod 20 and the inner bottom surface of the outer cylinder 22, keeping the two operating plates 18 separated when no external force is applied.

[0027] During initial installation, the circuit breaker housing 2 is secured to the top of the mounting base plate 1, and the first rectangular plate 10 is secured within the clearance groove 9. The rectangular rod 11 is located within the vertical groove 6, with one side contacting the inner wall of the vertical groove 6, preventing the rectangular rod 11 from moving horizontally within the annular plate 13, thereby preventing the first rectangular plate 10 from accidentally dislodging from the clearance groove 9. The strip plate 14 is located within the vertical groove 6; when the rectangular rod 11 moves upward, the strip plate 14 passes through the strip hole 12.

[0028] During disassembly, first lift the circuit breaker housing 2 upwards. The annular plate 13 slides upwards along the vertical groove 6, causing the rectangular rod 11 and the first rectangular plate 10 to move upwards together. Since the rectangular rod 11 is initially blocked by the inner wall of the vertical groove 6, the first rectangular plate 10 cannot move horizontally to disengage. When the circuit breaker housing 2 is lifted to a specific height (at which point the vertical groove 6 moves upwards to the position where the rectangular socket 8 is aligned with the rectangular rod 11), stop lifting. At the same time, press the two operating plates 18 inwards. The operating plates 18 overcome the resistance of the compression spring 21 and move closer to each other, causing the inner rod 20 to slide into the outer cylinder 22. The movement of the operating plates 18 causes the sliding plate 17 and the baffle 19 connected to them to move laterally, and the two baffles 19 separate, no longer blocking the rectangular hole 4. The movement of the sliding plate 17 is transmitted to the L-shaped block 16 through the crossbar 5. The L-shaped block 16 causes the second rectangular plate 15 to move laterally. The second rectangular plate 15 causes the strip plate 14 to move laterally. At this point, the strip plate 14 is positioned within the strip hole 12 of the rectangular rod 11. Therefore, the lateral movement of the strip plate 14 pulls the rectangular rod 11 horizontally within the annular plate 13. The horizontal movement of the rectangular rod 11 causes the first rectangular plate 10 to move horizontally, disengaging it from the recessed slot 9. Simultaneously, the end of the rectangular rod 11 horizontally moves into the rectangular insertion hole 8. At this point, the first rectangular plate 10 is completely disengaged from the recessed slot 9, allowing the circuit breaker housing 2 to be removed entirely from the mounting base plate 1. After releasing the operating plate 18, the compression spring 21 pushes both operating plates 18 back to their original positions, and the baffle 19 re-seals the rectangular hole 4. The installation process is the reverse of the disassembly process. When the circuit breaker housing 2 is lowered, the first rectangular plate 10 automatically engages with the recessed slot 9, eliminating the need to operate the control components. This structure facilitates housing disassembly and maintenance. Partial damage allows for individual replacement of the housing or base plate. Furthermore, the operating plates must be pressed simultaneously to unlock, preventing accidental opening. The baffle normally seals the rectangular hole, enhancing protection.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A split-type housing mechanism for an outdoor permanent magnet vacuum circuit breaker, characterized in that, include: The mounting base plate (1) and the circuit breaker housing (2) are installed. The circuit breaker housing (2) is snapped onto the top of the mounting base plate (1). Side plates (3) are fixedly connected to both sides of the top of the mounting base plate (1). The circuit breaker housing (2) is located between the two side plates (3). Vertical slots (6) are opened on both sides of the circuit breaker housing (2). A rectangular insertion hole (8) is opened on the inner wall of one side of the vertical slot (6). The rectangular insertion hole (8) communicates with the inner cavity of the circuit breaker housing (2). A side hole (7) communicating with it is opened on the inner wall of one side of the rectangular insertion hole (8). A snap-fit ​​assembly is provided inside the vertical slot (6) for snapping the mounting base plate (1) and the circuit breaker housing (2); The control component is slidably connected inside a rectangular hole (4) on one side of the circuit breaker housing (2) and is used to control the connection and disassembly of the snap-fit ​​component.

2. The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that, The snap-fit ​​assembly includes an annular plate (13) that is slidably connected inside the vertical groove (6), a rectangular rod (11) that slides through the inside of the annular plate (13), a first rectangular plate (10) that is fixedly connected to the end of the rectangular rod (11), and a clearance groove (9) that is opened on one side of the side plate (3) to accommodate the first rectangular plate (10).

3. The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that, The control assembly includes two operating plates (18) that are slidably connected inside the rectangular hole (4). The two operating plates (18) are symmetrically arranged. A sliding plate (17) is fixedly connected to the side of the operating plate (18) near the inner cavity of the circuit breaker housing (2). The two sliding plates (17) are staggered and the sum of their heights is equal to the height of the operating plate (18). A baffle (19) is fixedly connected to one side of the sliding plate (17). The two baffles (19) are arranged vertically and together block the rectangular hole (4).

4. The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker according to claim 3, characterized in that, The control assembly also includes a crossbar (5) fixedly connected to one side of the sliding plate (17), an L-shaped block (16) fixedly connected to one side of the crossbar (5), a second rectangular plate (15) fixedly connected to one side of the L-shaped block (16), and the second rectangular plate (15) passing through the side hole (7).

5. The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker according to claim 4, characterized in that, A strip plate (14) is fixedly connected to one side of the second rectangular plate (15), and a strip hole (12) is opened on one side of the rectangular rod (11). The strip plate (14) and the strip hole (12) cooperate to pull the rectangular rod (11) to move laterally. The rectangular rod (11) cooperates with the rectangular insertion hole (8) to make the first rectangular plate (10) disengage from the relief groove (9).

6. The split-type housing mechanism of the outdoor permanent magnet vacuum circuit breaker according to claim 1, characterized in that, The outer cylinder (22) and the inner rod (20) are fixedly connected to each other on the side of the two operating plates (18). The inner rod (20) slides into the interior of the outer cylinder (22). A compression spring (21) is provided between the end of the inner rod (20) and the inner wall of the outer cylinder (22).

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