A pole-mounted vacuum circuit breaker enclosure

By combining screws and nuts, along with springs and handles, the problem of low installation efficiency and cumbersome disassembly of vacuum circuit breaker enclosures is solved, achieving efficient installation and convenient disassembly, and providing dustproof functionality.

CN224437502UActive Publication Date: 2026-06-30NANJING PURUI POWER TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING PURUI POWER TECH CO LTD
Filing Date
2025-06-04
Publication Date
2026-06-30

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    Figure CN224437502U_ABST
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Abstract

This application discloses a pole-mounted vacuum circuit breaker enclosure, belonging to the field of vacuum circuit breaker enclosures. It includes a base plate, with three circuit breaker bodies mounted on the top of the base plate. A housing is mounted on the top of the base plate. The inner wall of the base plate has mating holes, and insert blocks are inserted into the inner walls of the mating holes. Positioning strips are fixedly installed at the bottom of the insert blocks. A square groove is formed on the inner wall of the insert blocks, and a connecting block is inserted into the inner wall of the square groove. A screw is inserted into the inner wall of the base plate. Multiple heat dissipation slots are symmetrically formed on the inner wall of the housing. A fixing frame is fixedly installed on the inner side of the housing. By using screws, the insert blocks can be stably positioned on the inner wall of the mating holes, and the connecting blocks can be securely installed on the inner wall of the square grooves. Furthermore, the housing can be stably installed on the top of the base plate, reducing the use of fasteners, increasing installation efficiency, reducing time consumption, and facilitating disassembly.
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Description

Technical Field

[0001] This application relates to the field of vacuum circuit breaker enclosure technology, and more particularly to a pole-mounted vacuum circuit breaker enclosure. Background Technology

[0002] Vacuum circuit breakers are used for the protection and control of electrical equipment. They are mainly used in industrial and mining enterprises, power plants, substations and other places. Vacuum circuit breakers are small in size and light in weight, making them very suitable for frequent operation. They also have good arc extinguishing characteristics and are used in conjunction with a chassis.

[0003] Existing enclosures require multiple fasteners for installation, necessitating repeated connection and assembly, resulting in low installation efficiency and significant time consumption. Furthermore, the use of multiple fasteners makes subsequent disassembly and maintenance cumbersome, hindering widespread adoption. Therefore, this application proposes a pole-mounted vacuum circuit breaker enclosure to address the aforementioned issues. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a pole-mounted vacuum circuit breaker enclosure, which overcomes the shortcomings of the prior art and aims to solve the problems in the background art.

[0005] To achieve the above objectives, this application adopts the following technical solution: a pole-mounted vacuum circuit breaker enclosure, comprising a base plate, three circuit breaker bodies mounted on the top of the base plate, a housing mounted on the top of the base plate, mating holes formed on the inner wall of the base plate, insert blocks inserted into the inner wall of the mating holes, positioning strips fixedly mounted on the bottom of the insert blocks, square grooves formed on the inner wall of the insert blocks, connecting blocks inserted into the inner wall of the square grooves, screws inserted into the inner wall of the base plate, multiple heat dissipation grooves symmetrically formed on the inner wall of the housing, a fixing frame fixedly mounted on the inner side of the housing, and a dustproof net slidably inserted into the inner wall of the fixing frame.

[0006] In a preferred embodiment, the inner walls of both the insert block and the connecting block are provided with insertion holes. The bottom of the housing is fixedly connected to the top of the connecting block. The screw is inserted into the inner walls of the insert block and the connecting block. The outer edge of the screw is threaded with two nuts, and the two nuts abut against both sides of the base plate.

[0007] By adopting the above technical solution, the plug can be stably positioned on the inner wall of the mating hole using a screw, and the connecting block can be firmly installed on the inner wall of the square groove. Furthermore, the box can be stably installed on the top of the base plate. At the same time, the screw can be positioned using a nut to ensure that the screw will not easily detach from the inner wall of the base plate. Moreover, multiple components can be simultaneously fixed by relying on the screw, reducing resource consumption and facilitating individual disassembly after disassembly.

[0008] In a preferred embodiment, the inner wall of the dustproof net has a slot, the inner wall of the fixing frame has a round hole, one end of a spring is fixedly connected to the inner wall of the round hole, the other end of the spring is fixedly connected to a side plate, and a connecting strip is fixedly installed on one side of the side plate, and the connecting strip is inserted into the inner wall of the slot.

[0009] By adopting the above technical solution, the side plate can be stably positioned on the outer wall of the fixed frame by means of the elastic contraction force of the spring, and then the connecting strip can be stably inserted into the inner wall of the slot for positioning the dustproof net, ensuring that the dustproof net will not easily detach from the inner wall of the fixed frame.

[0010] In a preferred embodiment, a handle is fixedly installed on the side of the side plate away from the connecting strip.

[0011] By adopting the above technical solution, the pull handle can be used to drive the side plate away from the inner wall of the slot through the connecting strip, so that the dustproof net can be quickly removed from the inner wall of the fixed frame.

[0012] In one preferred embodiment, the dustproof net corresponds to the positions of several heat dissipation slots.

[0013] By adopting the above technical solution, the dustproof net can be used to prevent the natural air entering the cabinet through the heat dissipation groove from being filtered out, effectively filtering the dust in the air.

[0014] In a preferred embodiment, the inner wall of the positioning strip is symmetrically provided with threaded holes, and the three circuit breaker bodies are disposed inside the housing.

[0015] By adopting the above technical solution, the positioning strip can be installed at the location of use by using the matching bolts, and the enclosure can protect the three circuit breaker bodies.

[0016] In a preferred embodiment, the top of the fixed frame is provided with a through-hole, and the dustproof net is adapted to be inserted into the inner wall of the through-hole.

[0017] By adopting the above technical solution, the dustproof net can be firmly installed on the inner wall of the fixed frame, thereby ensuring that the fixed frame will not shift its position on all four sides after installation.

[0018] The beneficial effects of this application are:

[0019] This pole-mounted vacuum circuit breaker enclosure can stably position the plug block on the inner wall of the mating hole by setting a screw, and can also firmly install the connecting block on the inner wall of the square groove. Furthermore, it can stably install the enclosure on the top of the base plate, reducing the use of fasteners, and has high installation efficiency without spending a lot of time. At the same time, it is easy to disassemble and disassemble separately.

[0020] This pole-mounted vacuum circuit breaker enclosure features a dustproof screen that prevents natural airflow entering the enclosure through the heat dissipation slots from getting dusty. This effectively filters dust from the air. After removing the enclosure from the top of the base plate, the handle can be pulled to use the connecting strip to detach the side panel from the inner wall of the slot, allowing the dustproof screen to be quickly removed from the inner wall of the fixed frame for cleaning and replacement. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 This is a schematic diagram of the unfolded structure of this application;

[0023] Figure 3 This is a schematic diagram of the separation structure of the insert block, positioning strip, and base plate in this application;

[0024] Figure 4 This is a schematic diagram of the fixed frame and dustproof net structure of this application;

[0025] Figure 5 This is a partially enlarged structural diagram of the side plate, connecting strip, circular hole, and spring of this application.

[0026] The following are the labels in the diagram: 1. Base plate; 2. Box body; 3. Circuit breaker body; 4. Connecting hole; 5. Insert block; 6. Positioning strip; 7. Square groove; 8. Connecting block; 9. Screw; 10. Nut; 11. Heat dissipation groove; 12. Fixing frame; 13. Dustproof net; 14. Slot; 15. Round hole; 16. Spring; 17. Side plate; 18. Connecting strip; 19. Handle. Detailed Implementation

[0027] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0028] Reference Figure 1-5 A pole-mounted vacuum circuit breaker enclosure includes a base plate 1, three circuit breaker bodies 3 mounted on the top of the base plate 1, a housing 2 mounted on the top of the base plate 1, mating holes 4 on the inner wall of the base plate 1, insert blocks 5 inserted into the inner wall of the mating holes 4, positioning strips 6 fixedly mounted on the bottom of the insert blocks 5, square grooves 7 on the inner wall of the insert blocks 5, connecting blocks 8 inserted into the inner wall of the square grooves 7, screws 9 inserted into the inner wall of the base plate 1, multiple heat dissipation slots 11 symmetrically formed on the inner wall of the housing 2, a fixing frame 12 fixedly mounted on the inner side of the housing 2, and a dustproof net 13 slidably inserted into the inner wall of the fixing frame 12.

[0029] See Figure 1 - Figure 3Both the insert block 5 and the connecting block 8 have insertion holes on their inner walls. The bottom of the housing 2 is fixedly connected to the top of the connecting block 8. The screw 9 is inserted into the inner walls of the insert block 5 and the connecting block 8. The outer edge of the screw 9 is threaded with two nuts 10, and the two nuts 10 abut against the two sides of the base plate 1. This allows the screw 9 to be used to stably position the insert block 5 on the inner wall of the docking hole 4, and to stably install the connecting block 8 on the inner wall of the square groove 7. Furthermore, the housing 2 can be stably installed on the top of the base plate 1. At the same time, the nuts 10 can be used to position the screw 9, ensuring that the screw 9 will not easily detach from the inner wall of the base plate 1. The screw 9 can also be used to achieve synchronous fixing of multiple parts, reducing resource consumption and facilitating individual disassembly after disassembly.

[0030] See Figure 4 The inner wall of the dustproof net 13 has a slot 14, and the inner wall of the fixing frame 12 has a round hole 15. One end of the spring 16 is fixedly connected to the inner wall of the round hole 15, and the other end of the spring 16 is fixedly connected to the side plate 17. A connecting strip 18 is fixedly installed on one side of the side plate 17, and the connecting strip 18 is inserted into the inner wall of the slot 14. This allows the side plate 17 to be stably positioned on the outer wall of the fixing frame 12 by means of the elastic contraction force of the spring 16, and the connecting strip 18 can be stably inserted into the inner wall of the slot 14 for positioning the dustproof net 13, ensuring that the dustproof net 13 will not easily detach from the inner wall of the fixing frame 12.

[0031] See Figure 5 A handle 19 is fixedly installed on the side of the side plate 17 away from the connecting strip 18, so that the handle 19 can be pulled to use the connecting strip 18 to drive the side plate 17 away from the inner wall of the slot 14, thereby allowing the dustproof net 13 to be quickly removed from the inner wall of the fixed frame 12.

[0032] See Figure 3 and Figure 4 The dustproof net 13 is positioned in relation to several heat dissipation slots 11, so that the dustproof net 13 can be used to prevent the natural wind entering the cabinet 2 through the heat dissipation slots 11 from being exposed to dust, effectively filtering the dust in the air.

[0033] See Figure 1 and Figure 3 The inner wall of the positioning strip 6 is symmetrically provided with threaded holes, and the three circuit breaker bodies 3 are located inside the housing 2, so that the positioning strip 6 can be installed at the place of use by using bolts, and the housing 2 can protect the three circuit breaker bodies 3.

[0034] See Figure 4 and Figure 5 The top of the fixed frame 12 is provided with a through slot, and the dustproof net 13 is adapted to be inserted into the inner wall of the slot, so that the dustproof net 13 can be firmly installed on the inner wall of the fixed frame 12, thereby ensuring that the fixed frame 12 will not shift its position on all sides after installation.

[0035] Working principle: When using this device, firstly, insert block 5 is stably inserted into the inner wall of docking hole 4, and connecting block 8 can be stably inserted into the inner wall of square groove 7. Further, the box body 2 can be stably installed on the top of base plate 1. At the same time, nut 10 can be used to position screw 9, ensuring that screw 9 will not easily detach from the inner wall of base plate 1. Relying on screw 9, multiple parts can be simultaneously fixed, reducing resource consumption and facilitating individual disassembly. At the same time, dustproof net 13 can be used to prevent dust from entering the box body 2 through heat dissipation groove 11, effectively filtering dust in the air. After removing box body 2 from the top of base plate 1, handle 19 can be pulled to use docking strip 18 to drive side plate 17 away from inner wall of groove 14, thereby quickly removing dustproof net 13 from inner wall of fixed frame 12 for cleaning and replacement.

[0036] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.

Claims

1. A pole-mounted vacuum circuit breaker enclosure, comprising a base plate (1), characterized in that, Three circuit breaker bodies (3) are installed on the top of the base plate (1). A box (2) is installed on the top of the base plate (1). A docking hole (4) is opened on the inner wall of the base plate (1). A plug (5) is inserted into the inner wall of the docking hole (4). A positioning strip (6) is fixedly installed at the bottom of the plug (5). A square groove (7) is opened on the inner wall of the plug (5). A connecting block (8) is inserted into the inner wall of the square groove (7). A screw (9) is inserted into the inner wall of the base plate (1). Multiple heat dissipation grooves (11) are symmetrically opened on the inner wall of the box (2). A fixing frame (12) is fixedly installed on the inner side of the box (2). A dustproof net (13) is slidably inserted into the inner wall of the fixing frame (12).

2. The pole-mounted vacuum circuit breaker enclosure according to claim 1, characterized in that, The inner walls of the insert (5) and the connecting block (8) are provided with insertion holes. The bottom of the box (2) is fixedly connected to the top of the connecting block (8). The screw (9) is inserted into the inner walls of the insert (5) and the connecting block (8). The outer edge of the screw (9) is threaded with two nuts (10), and the two nuts (10) abut against the two sides of the base plate (1).

3. The pole-mounted vacuum circuit breaker enclosure according to claim 1, characterized in that, The inner wall of the dustproof net (13) is provided with a slot (14), and the inner wall of the fixed frame (12) is provided with a round hole (15). One end of the spring (16) is fixedly connected to the inner wall of the round hole (15), and the other end of the spring (16) is fixedly connected to a side plate (17). A connecting strip (18) is fixedly installed on one side of the side plate (17), and the connecting strip (18) is inserted into the inner wall of the slot (14).

4. The pole-mounted vacuum circuit breaker chassis according to claim 3, characterized in that, A handle (19) is fixedly installed on the side of the side plate (17) away from the connecting strip (18).

5. The pole-mounted vacuum circuit breaker enclosure according to claim 1, characterized in that, The dustproof net (13) corresponds to the positions of several heat dissipation slots (11).

6. The pole-mounted vacuum circuit breaker enclosure according to claim 1, characterized in that, The inner wall of the positioning strip (6) is symmetrically provided with threaded holes, and the three circuit breaker bodies (3) are located inside the box (2).

7. The pole-mounted vacuum circuit breaker enclosure according to claim 1, characterized in that, The top of the fixed frame (12) is provided with a through slot, and the dustproof net (13) is adapted to be inserted into the inner wall of the slot.