Microswitch and indoor high-voltage vacuum circuit breaker

Abstract

The utility model discloses a microswitch and an indoor high-voltage vacuum circuit breaker which are good in installation stability, convenient to install and easy to trigger. According to the technical scheme, the microswitch comprises at least two microswitch bodies, a support and a pressing plate, the at least two microswitch bodies are mounted in the support after being stacked, the pressing plate is rotatably connected to one end of the support, a pressing part is arranged at the front end of the pressing plate, and the microswitch bodies are pressed by pressing the pressing part. And the pressing plate simultaneously applies pressure to the button of the microswitch body. The micro-switch has the advantages that the plurality of micro-switch bodies are integrated in the support, all micro-switches are triggered through the pressing plate, and the micro-switch has the advantages of being good in installation stability, convenient to install, easy to trigger and the like.

Description

Technical Field

[0001] The utility model belongs to the electrical field, and particularly relates to a micro switch and an indoor high-voltage vacuum circuit breaker. Background Art

[0002] The micro switch used inside an indoor high-voltage vacuum circuit breaker has multiple functions, including controlling the on-off of a circuit, detecting changes in the position of an object, achieving high-precision control, and protecting the safety of electrical equipment. For a traditional micro switch linked to an energy storage indicator plate inside an indoor high-voltage vacuum circuit breaker, a screw is usually directly installed inside the micro switch housing and fixed to the frame of the circuit breaker. The disadvantages are as follows: after multiple micro switches are connected in parallel, this installation method has poor stability, is difficult to install, has a high failure rate, and is difficult to trigger. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a micro switch and an indoor high-voltage vacuum circuit breaker with good installation stability, easy installation, and easy triggering.

[0004] To solve the above problems, the technical solutions adopted by the utility model include: a micro switch body, a bracket, and a pressing plate. At least two of the micro switch bodies are stacked and installed inside the bracket. The pressing plate is rotatably connected to one end of the bracket. A pressing portion is provided at the front end of the pressing plate. By pressing the pressing portion, the pressing plate simultaneously presses on the button of the micro switch body.

[0005] The micro switch is characterized in that: the bracket includes an inner side plate, an end plate, and an outer side plate. Mounting holes are provided on the inner side plate, a positioning groove is provided on the end plate, and a shaft hole is provided between the inner side plate and the outer side plate. The pressing plate is rotatably connected to one end of the bracket by installing a connecting shaft in the shaft hole. The button of the micro switch body extends out from the positioning groove.

[0006] The micro switch is characterized in that: parallel holes are provided on both sides of the micro switch body, and screw holes corresponding to the parallel holes are provided between the inner side plate and the outer side plate. The micro switch body is fixed inside the bracket by installing a screw between the screw hole and the parallel hole.

[0007] The micro switch is characterized in that: the mounting hole on the inner side plate is an oblong hole.

[0008] The micro switch is characterized in that: a positioning post is provided at the top of the housing of the micro switch body, the button extends out from the positioning post, and positioning cooperation is achieved between the positioning post and the positioning groove on the end plate.

[0009] The microswitch described above is characterized in that: the connection pins of the microswitch body are led out from the bottom of its housing, and partitions are provided between adjacent connection pins.

[0010] An indoor high-voltage vacuum circuit breaker includes a circuit breaker body, and an energy storage indicator board is provided inside the circuit breaker body. It is characterized in that: the above-mentioned microswitch is installed inside the circuit breaker body, and a pressing rod for pressing the pressing part is provided on the energy storage indicator board.

[0011] The advantages of the microswitch and the indoor high-voltage vacuum circuit breaker of the present utility model are as follows: A number of microswitch bodies are integrated in a bracket, and all microswitches are triggered through a pressing plate, which has the advantages of good installation stability, convenient installation, and easy triggering.

[0012] The present utility model will be further described below with reference to the accompanying drawings of the specification. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the microswitch of the present utility model.

[0014] Figure 2 is an exploded view of the microswitch of the present utility model.

[0015] Figure 3 is a schematic structural diagram of the microswitch body of the present utility model;

[0016] Figure 4 is a schematic structural diagram of the indoor high-voltage vacuum circuit breaker of the present utility model. Detailed Embodiments Embodiment 1:

[0017] Referring to Figures 1-3 as shown, the microswitch of the present utility model is characterized in that: it includes a microswitch body 1, a bracket 2, and a pressing plate 3. Four of the microswitch bodies 1 are stacked and installed inside the bracket 2, and the pressing plate 3 is rotatably connected to one end of the bracket 2. The front end of the pressing plate 3 is bent upward to form a pressing part 4. By pressing the pressing part 4, the pressing plate 3 is driven to simultaneously press the buttons 5 of all the microswitch bodies 1.

[0018] Preferably, the bracket 2 includes an inner plate 6, an end plate 7 and an outer plate 8. The inner plate 6 is provided with a mounting hole 9, and the bracket 2 is fixed to the frame of the indoor high-voltage vacuum circuit breaker by installing screws in the mounting hole 9. The end plate 7 is provided with a positioning groove 10, and a shaft hole 11 is provided between the inner plate 6 and the outer plate 8. The pressing plate 3 is rotatably connected to one end of the bracket 2 by installing a connecting shaft 12 in the shaft hole 11, and the button 5 of the microswitch body 1 extends out of the positioning groove 10 to stabilize the microswitch body 1. Through the above structure, the overall stable installation of the microswitch can be realized.

[0019] Preferably, parallel holes 22 are provided on both sides of the microswitch body 1, and screw holes 13 corresponding to the parallel holes 22 are provided between the inner plate 6 and the outer plate 8. The microswitch body 1 is fixed in the bracket 2 by installing screws 14 between the screw holes 13 and the parallel holes 22. To achieve stable installation between the microswitch body 1 and the bracket 2.

[0020] Preferably, the mounting hole 9 of the inner plate 6 is an elongated hole to enable adjustment of the mounting position of the bracket 2.

[0021] Preferably, a positioning post 16 is provided at the top of the housing 15 of the microswitch body 1, and the button 5 extends out of the positioning post 16. The positioning post 16 is in positioning cooperation with the positioning groove 10 of the end plate 7. To further improve the stability of the installation of the microswitch body 1.

[0022] Preferably, the wiring pins 17 of the microswitch body 1 extend out from the bottom of its housing 15, and a partition 18 is provided between adjacent wiring pins 17. To facilitate wiring and ensure the safety of wiring. Embodiment 2:

[0023] Refer to Figure 4 As shown, the indoor high-voltage vacuum circuit breaker of the present invention includes a circuit breaker body 19. An energy storage indicator plate 20 is provided in the circuit breaker body 19. The microswitch a described in Embodiment 1 is installed in the circuit breaker body 19, and a pressing rod 21 for pressing the pressing portion 4 is provided on the energy storage indicator plate 20 to detect the change in the position of the object on the energy storage indicator plate 20.

[0024] The above does not impose any formal restrictions on the present utility model. Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can, within the scope of the technical solution of the present utility model, make some changes or modifications to the above-disclosed structure and technical content to form equivalent embodiments of equivalent changes. However, as long as the content does not depart from the technical solution of the present utility model, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A micro switch, characterized in that: The invention comprises a micro switch body (1), a bracket (2) and a pressure plate (3), wherein at least two micro switch bodies (1) are stacked and installed in the bracket (2), the pressure plate (3) is rotatably connected to one end of the bracket (2), and a pressing portion (4) is provided at the front end of the pressure plate (3). By pressing the pressing portion (4), the pressure plate (3) simultaneously applies pressure to a button (5) of the micro switch body (1).

2. The micro switch according to claim 1, characterized in that: The bracket (2) comprises an inner plate (6), an end plate (7) and an outer plate (8); the inner plate (6) is provided with a mounting hole (9); the end plate (7) is provided with a positioning groove (10); an axial hole (11) is provided between the inner plate (6) and the outer plate (8); the pressing plate (3) is rotatably connected to one end of the bracket (2) by inserting a connecting shaft (12) into the axial hole (11); and the button (5) of the micro switch body (1) extends out from the positioning groove (10).

3. The micro switch according to claim 2, characterized in that: Parallel holes (22) are provided on both sides of the micro switch body (1), and screw holes (13) corresponding to the parallel holes (22) are provided between the inner plate (6) and the outer plate (8). The micro switch body (1) is fixed in the bracket (2) by inserting a screw (14) between the screw hole (13) and the parallel hole (22).

4. The micro switch according to claim 2, characterized in that: The mounting hole (9) of the inner plate (6) is a long hole.

5. The micro switch according to claim 2, characterized in that: A positioning column (16) is provided on the top of the housing (15) of the micro switch body (1), and the button (5) extends from the positioning column (16) and is positioned and matched with the positioning groove (10) of the end plate (7) through the positioning column (16).

6. The micro switch according to claim 1, characterized in that: The connection pins (17) of the micro switch body (1) are led out from the bottom of the housing (15), and a partition (18) is provided between adjacent connection pins (17).

7. An indoor high-voltage vacuum circuit breaker, comprising a circuit breaker body (19), wherein an energy storage indicator (20) is provided inside the circuit breaker body (19), characterized in that: The circuit breaker body (19) is installed with the micro switch (a) according to any one of claims 1 to 6, and the energy storage indicator (20) is provided with a pressing rod (21) for pressing the pressing part (4).

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