A power distribution control device vacuum circuit breaker

Abstract

The utility model discloses a kind of power distribution control equipment vacuum circuit breaker, it is related to power distribution equipment technical field, including box, the upper end of the box is fixedly connected with mounting base, the upper end of the box and located the edge at mounting base is equipped with sliding cavity, the inside sliding connection of the sliding cavity is limited to bottom plate, the utility model is limited by the setting of sheath and spring, when installing pole, by the weight of pole, limit sheath is extruded to bottom end, cooperate with the lake surface of dome strip, and the contact area of pole bottom is smaller, to reduce friction, can make the movement of pole more portable, to facilitate the adjustment of pole position, and the mounting hole in the design of pole bottom and the mounting hole of mounting base surface alignment, the bottom of pole and limit sheath plug-in contact, will not exert force to limit sheath, can be by the elastic force of spring, limit sheath is lifted upwards, that can prompt alignment, use more convenient.

Description

Technical Field

[0001] This utility model relates to the field of power distribution equipment technology, and in particular to a vacuum circuit breaker for power distribution control equipment. Background Technology

[0002] A vacuum circuit breaker is a power switching device that uses vacuum as both the arc-extinguishing and insulating medium. It is primarily used in power systems to connect and disconnect circuits, and to quickly interrupt fault currents when circuit faults occur, ensuring the safe and stable operation of the power system. Its core feature is that the arc-extinguishing chamber is in a high-vacuum state, utilizing the high insulating properties of vacuum and the rapid arc diffusion characteristic to extinguish the arc. It is a commonly used device in power distribution control systems.

[0003] In the existing technology, the installation of the pole and the housing in a vacuum circuit breaker is mostly fixed by thread. This requires aligning the holes. However, the pole is relatively large, and multiple adjustments are required during installation to facilitate the insertion of subsequent bolts. This method requires a lot of physical effort to adjust the pole due to its weight, resulting in slow hole alignment and low assembly efficiency. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that in the existing technology, the installation of the pole and the housing of the vacuum circuit breaker is mostly fixed by thread, which requires the alignment of the holes. However, the pole is large and requires multiple adjustments during the installation process to facilitate the subsequent insertion of bolts. This method is slow to align the holes and has low assembly efficiency because the pole is heavy and requires a lot of physical strength during adjustment. Therefore, a vacuum circuit breaker for power distribution control equipment is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a vacuum circuit breaker for power distribution control equipment, comprising a housing, a mounting base fixedly connected to the upper end of the housing, a sliding cavity formed at the upper end of the housing and at the edge of the mounting base, a limiting base plate slidably connected inside the sliding cavity, a spring installed between the lower end of the limiting base plate and the lower end of the sliding cavity, a limiting sleeve fixedly connected to the upper end of the limiting base plate, and a dome strip fixedly connected to the upper end of the limiting sleeve, wherein when the spring is fully contracted, the upper surface of the limiting sleeve is 5mm higher than the upper surface of the mounting base.

[0006] Preferably, the upper end of the sliding cavity is provided with an end groove, and a fastening pressure plate is fixedly connected inside the end groove.

[0007] Preferably, a pole post is installed at the upper end of the mounting base, and a No. 1 output terminal is installed at the upper end of the pole post.

[0008] Preferably, a current transformer and a second outgoing terminal are installed on the outer surface of the pole.

[0009] Preferably, the lower end of the housing is fixedly connected to a support leg, and the support leg is rotatably connected to a roller.

[0010] Preferably, an extension sleeve is fixedly connected to the lower edge of the limiting base plate.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, by setting up a limiting sleeve and a spring, the weight of the pole can press the limiting sleeve to the bottom when installing the pole. Combined with the arc surface of the dome strip, the contact area between the limiting sleeve and the bottom of the pole is small, thereby reducing friction and making the pole movement easier. This facilitates the adjustment of the pole position. Furthermore, when the mounting hole at the bottom of the pole is aligned with the mounting hole on the surface of the mounting base, the bottom of the pole makes contact with the limiting sleeve without applying force to it. The spring force can push the limiting sleeve upward to indicate that it is aligned, making it more convenient to use.

[0013] 2. In this utility model, by setting the extension sleeve, the contact area with the sliding cavity is increased, which can increase the sliding stability and avoid deviation. At the same time, it can protect the spring and prevent the spring from being squeezed and deviated, affecting the movement of the limiting sleeve and ensuring the stability of use. The setting of the roller can facilitate the movement of the box, so as to move it to the side of the power distribution control equipment and facilitate the connection of the line. Attached Figure Description

[0014] Figure 1 This utility model provides a three-dimensional structural schematic diagram of a vacuum circuit breaker for power distribution control equipment;

[0015] Figure 2 This utility model provides an exploded view of the connection structure between the limiting sheath and the enclosure in a vacuum circuit breaker for power distribution control equipment.

[0016] Figure 3 This utility model presents a three-dimensional structural diagram of a limiting sheath in a vacuum circuit breaker for power distribution control equipment.

[0017] Legend: 1. Housing; 2. Support foot; 3. Pole post; 4. Terminal 1; 5. Current transformer; 6. Terminal 2; 7. Roller; 8. Limiting sleeve; 9. Fastening plate; 10. Limiting base plate; 11. Spring; 12. Sliding cavity; 13. End groove; 14. Dome strip; 15. Extension sleeve; 16. Mounting base. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1: As Figure 1 - Figure 3 As shown, this utility model provides a vacuum circuit breaker for power distribution control equipment, including a housing 1. A mounting base 16 is fixedly connected to the upper end of the housing 1. A sliding cavity 12 is provided at the upper end of the housing 1 and at the edge of the mounting base 16. A limiting base plate 10 is slidably connected inside the sliding cavity 12. A spring 11 is installed between the lower end of the limiting base plate 10 and the lower end of the sliding cavity 12. A limiting sleeve 8 is fixedly connected to the upper end of the limiting base plate 10. A dome strip 14 is fixedly connected to the upper end of the limiting sleeve 8. When the spring 11 is fully contracted, the upper surface of the limiting sleeve 8 is 5mm higher than the upper surface of the mounting base 16.

[0021] The specific settings and functions of this embodiment are described in detail below. By setting up the limiting sleeve 8 and the spring 11, when installing the pole post 3, the weight of the pole post 3 can press the limiting sleeve 8 to the bottom. Combined with the arc surface of the dome strip 14, the contact area between the pole post 3 and the bottom of the pole post 3 is small, thereby reducing friction and making the movement of the pole post 3 easier, so as to facilitate the adjustment of the position of the pole post 3. In addition, when the mounting hole at the bottom of the pole post 3 is aligned with the mounting hole on the surface of the mounting base 16, the bottom of the pole post 3 is in contact with the limiting sleeve 8 without applying force to the limiting sleeve 8. The elastic force of the spring 11 can push the limiting sleeve 8 upward to indicate that it is aligned, which is more convenient to use.

[0022] Example 2: Figure 1 - Figure 3 As shown, the upper end of the sliding cavity 12 is provided with an end groove 13, and a fastening pressure plate 9 is fixedly connected inside the end groove 13. The upper end of the mounting base 16 is provided with a pole post 3, and a first output terminal 4 is provided on the upper end of the pole post 3. A current transformer 5 and a second output terminal 6 are provided on the outer surface of the pole post 3. The lower end of the housing 1 is fixedly connected with a support foot 2, and a roller 7 is rotatably connected inside the support foot 2. An extension sleeve 15 is fixedly connected to the lower edge of the limiting base plate 10.

[0023] The overall effect of this embodiment is that by setting the extension sleeve 15, the contact area with the sliding cavity 12 is increased, which can increase the sliding stability and avoid deviation. At the same time, it can protect the spring 11 and prevent the spring 11 from being squeezed and deviated, which would affect the movement of the limiting sleeve 8 and ensure the stability of use. By setting the roller 7, the housing 1 can be moved easily so that it can be moved next to the power distribution control equipment for easy connection of the line.

[0024] The usage and working principle of this device are as follows: During installation, the lower end of the pole post 3 is placed above the mounting base 16. If the alignment is not precise at this time, the lower end of the pole post 3 will press against the limiting sleeve 8, causing the limiting sleeve 8 to move downward. Then rotate the pole post 3 so that the lower end of the pole post 3 is placed between the limiting sleeves 8. When the lower end of the pole post 3 is inserted with the two limiting sleeves 8, the alignment is complete. At this time, the spring 11 will lift the limiting base plate 10, so that the limiting sleeve 8 restricts the position of the pole post 3 to prevent subsequent movement. Then, use bolts to install it. After installation, move the box 1 next to the power distribution control equipment for subsequent installation.

[0025] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A vacuum circuit breaker for power distribution control equipment, comprising a housing (1), characterized in that: The upper end of the housing (1) is fixedly connected to the mounting base (16). A sliding cavity (12) is provided at the upper end of the housing (1) and at the edge of the mounting base (16). A limiting base plate (10) is slidably connected inside the sliding cavity (12). A spring (11) is installed between the lower end of the limiting base plate (10) and the lower end of the sliding cavity (12). A limiting sleeve (8) is fixedly connected to the upper end of the limiting base plate (10). A dome strip (14) is fixedly connected to the upper end of the limiting sleeve (8).

2. A vacuum circuit breaker for power distribution control equipment according to claim 1, characterized in that: The upper end of the sliding cavity (12) is provided with an end groove (13), and a fastening pressure plate (9) is fixedly connected inside the end groove (13).

3. A vacuum circuit breaker for power distribution control equipment according to claim 1, characterized in that: The upper end of the mounting base (16) is equipped with a pole post (3), and the upper end of the pole post (3) is equipped with a first output terminal (4).

4. A vacuum circuit breaker for power distribution control equipment according to claim 3, characterized in that: The outer surface of the pole (3) is equipped with a current transformer (5) and a second outgoing terminal (6).

5. A vacuum circuit breaker for power distribution control equipment according to claim 1, characterized in that: The lower end of the box (1) is fixedly connected to a support foot (2), and the inside of the support foot (2) is rotatably connected to a roller (7).

6. A vacuum circuit breaker for power distribution control equipment according to claim 1, characterized in that: An extension sleeve (15) is fixedly connected to the lower edge of the limiting base plate (10).

Images