A totally enclosed circuit breaker operating mechanism

Abstract

The utility model discloses a kind of full-sealed circuit breaker operating mechanisms, including circuit breaker mechanism, it is characterized by: the circuit breaker mechanism is fixedly connected on sealing base plate, sealing base plate is fixedly connected first seal cover, first seal cover is fixedly connected second seal cover, second seal cover is fixedly connected third seal cover, third seal cover is fixedly connected with several oil seals, closing button operating lever and opening button operating lever are fixedly connected on circuit breaker mechanism, and closing button operating lever and opening button operating lever are respectively connected on third seal cover through an oil seal;The beneficial effects of the utility model are reflected in: mechanism body is in full-sealed state, and protection level is high, mechanism secondary wire passes through sealed navigation plug and leads out, and condensation effect is good;Energy storage shaft, closing and opening button operating lever adopt split design, and it is convenient for assembly debugging.

Description

Technical Field

[0001] This utility model relates to the field of ring main unit sealing technology, specifically to a fully sealed circuit breaker operating mechanism. Background Technology

[0002] In conventional ring main units, the circuit breaker operating mechanism is directly installed on the surface of the gas box. The signal wiring terminals and secondary wiring harnesses such as micro-start are exposed on the outer surface of the mechanism, resulting in poor protection, mediocre anti-condensation effect, and lack of waterproof performance. Rainy days or humid conditions can easily cause short circuits in the three-position mechanism, affecting power supply and posing a danger. Utility Model Content

[0003] In view of the deficiencies in the existing technology, this utility model provides a fully sealed circuit breaker operating mechanism to solve the existing problems.

[0004] This utility model is achieved through the following technical solution: a fully sealed circuit breaker operating mechanism, including a circuit breaker mechanism, characterized in that: the circuit breaker mechanism is fixedly connected to a sealing base plate, a first sealing cover is fixedly connected to the sealing base plate, a second sealing cover is fixedly connected to the first sealing cover, a third sealing cover is fixedly connected to the second sealing cover, a plurality of oil seals are fixedly connected to the third sealing cover, a closing button operating rod and a opening button operating rod are fixedly connected to the circuit breaker mechanism, and the closing button operating rod and the opening button operating rod are respectively connected to the third sealing cover through an oil seal.

[0005] Preferably, the sealing base plate, the first sealing cover, the second sealing cover, and the third sealing cover form a sealing enclosure to seal the circuit breaker mechanism inside.

[0006] Preferably, a sealing connector is fixedly connected to the third sealing cover, and the wiring harness of the circuit breaker mechanism is led out through the sealing connector.

[0007] Preferably, the circuit breaker mechanism is fixedly connected to an energy storage shaft and an indicator shaft, and the energy storage shaft and the indicator shaft are respectively connected to the third sealing cover by an oil seal.

[0008] Preferably, an interlocking assembly is fixedly connected to the third sealing cover.

[0009] The beneficial effects of this utility model are reflected in the following: the mechanism body is fully sealed, with a high level of protection; the secondary line of the mechanism is led out through a sealed aviation plug, which has a good anti-condensation effect; the energy storage shaft and the opening and closing button operating rod adopt a split design, which is convenient for assembly and debugging. Attached Figure Description

[0010] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0011] Figure 1 This is a schematic diagram of the exploded structure of this utility model; Figure 2 This is a schematic diagram of the main structure of this utility model; Figure 3 This is a schematic diagram of the right-side structure of this utility model; Figure 4 This is a top view of the structure of this utility model.

[0012] In the attached diagram, 1 is the sealing base plate, 2 is the first sealing cover, 3 is the closing button operating lever, 4 is the sealing connector, 5 is the interlocking assembly, 6 is the second sealing cover, 7 is the circuit breaker mechanism, 8 is the oil seal, 9 is the third sealing cover, 10 is the energy storage shaft, 11 is the indicator shaft, and 12 is the tripping button operating lever. Detailed Implementation

[0013] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0014] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0015] For ease of explanation, spatial relative terms such as “up,” “down,” “left,” and “right” may be used herein to describe the relationship of one element or feature shown in the figure relative to another element or feature. It should be understood that, in addition to the orientation shown in the figure, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, an element described as being “down” of other elements or features would be positioned “up” of those other elements or features. Therefore, the exemplary term “down” can encompass both up and down orientations.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0017] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific implementation of this utility model will be described in detail below with reference to specific embodiments: such as Figures 1-4 The present invention is achieved through the following technical solution: a fully sealed circuit breaker operating mechanism, including a circuit breaker mechanism 7, which is fixedly connected to a sealing base plate 1. A first sealing cover 2 is fixedly connected to the sealing base plate 1, a second sealing cover 6 is fixedly connected to the first sealing cover 2, and a third sealing cover 9 is fixedly connected to the second sealing cover 6. The sealing base plate 1, the first sealing cover 2, the second sealing cover 6, and the third sealing cover 9 form a sealed box that seals the circuit breaker mechanism 7 inside. The mechanism body is fully sealed, providing a high level of protection.

[0018] like Figure 1 As shown, in this embodiment, four oil seals 8 are fixedly connected to the third sealing cover 9. The closing button operating lever 3 and the opening button operating lever 12 are fixedly connected to the circuit breaker mechanism 7. The closing button operating lever 3 and the opening button operating lever 12 are respectively connected to the third sealing cover 9 through an oil seal 8. The energy storage shaft 10 and the indicator shaft 11 are fixedly connected to the circuit breaker mechanism 7. The energy storage shaft 10 and the indicator shaft 11 are respectively connected to the third sealing cover 9 through an oil seal 8. The energy storage shaft 11 and the opening / closing button operating lever adopt a split design, which is convenient for assembly and debugging.

[0019] The third sealing cover 9 is fixedly connected to the sealing connector 4. The wiring harness of the circuit breaker mechanism 7 is led out through the sealing connector 4, and the secondary wires of the circuit breaker mechanism 7 are led out through the sealing connector 4, which has a good anti-condensation effect. The third sealing cover 9 is fixedly connected to the interlocking assembly 5, which facilitates interlocking and linkage with the three-position operating mechanism.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A totally enclosed circuit breaker operating mechanism comprising a circuit breaker mechanism (7), characterized by: The circuit breaker mechanism (7) is fixedly connected to the sealing base plate (1). The sealing base plate (1) is fixedly connected to the first sealing cover (2). The first sealing cover (2) is fixedly connected to the second sealing cover (6). The second sealing cover (6) is fixedly connected to the third sealing cover (9). The third sealing cover (9) is fixedly connected to several oil seals (8). The circuit breaker mechanism (7) is fixedly connected to the closing button operating rod (3) and the opening button operating rod (12). The closing button operating rod (3) and the opening button operating rod (12) are respectively connected to the third sealing cover (9) through an oil seal (8).

2. A totally enclosed circuit breaker operating mechanism according to claim 1, wherein: The sealing base plate (1), the first sealing cover (2), the second sealing cover (6), and the third sealing cover (9) form a sealing box that seals the circuit breaker mechanism (7) inside.

3. A totally enclosed circuit breaker operating mechanism according to claim 1, wherein: The sealing connector (4) is fixedly connected to the third sealing cover (9), and the wiring harness of the circuit breaker mechanism (7) is led out through the sealing connector (4).

4. The totally enclosed circuit breaker operating mechanism of claim 1 wherein: The circuit breaker mechanism (7) is fixedly connected to the energy storage shaft (10) and the indicator shaft (11), and the energy storage shaft (10) and the indicator shaft (11) are respectively connected to the third sealing cover (9) through an oil seal (8).

5. A totally enclosed circuit breaker operating mechanism according to claim 1 wherein: The interlocking assembly (5) is fixedly connected to the third sealing cover (9).

Images