High-voltage-resistant microswitch

Abstract

The utility model relates to a high-voltage-resistant microswitch which comprises a switch body, a support terminal, a left cover plate, a right cover plate, a left spring, a left contact piece, a left upper contact point, a left lower contact terminal, a right spring, a right contact piece, a right upper contact point, a right lower contact terminal and a key. A left cavity is formed between the inner partition plate and the left cover plate, a right cover plate is installed on the right side of the switch body, a right cavity is formed between the inner partition plate and the right cover plate, and the key is pressed to enable the left spring and the right spring to be pressed downwards. The high-voltage-resistant microswitch is ingenious in structural design, the left lower contact terminal and the right lower contact terminal are separated through the left cavity and the right cavity which are separated from each other, the distance is increased, the voltage resistance of the microswitch is improved, and therefore the working stability of products is improved.

Description

Technical Field

[0001] The utility model relates to the field of electronic switches, and particularly relates to a high-voltage resistant micro switch. Background Art

[0002] A micro switch is a contact mechanism with a small contact interval and a quick-acting mechanism, which performs switch actions with a specified stroke and a specified force. Due to the small contact interval of the traditional micro switch, its withstand voltage value is low, and the maximum voltage value that the micro switch can withstand during normal operation or testing is small, which may cause component damage or performance degradation, thus affecting the normal operation of the entire circuit. Content of the Utility Model

[0003] Aiming at the above defects existing in the prior art, the utility model provides a high-voltage resistant micro switch, and the specific technical solution is as follows:

[0004] A high-voltage resistant micro switch includes a switch body, a bracket terminal, a left cover plate, a right cover plate, a left spring, a left contact piece, an upper left contact point, a lower left contact terminal, a right spring, a right contact piece, an upper right contact point, a lower right contact terminal and a key. An inner partition is provided inside the switch body. The left cover plate is installed on the left side of the switch body, and a left chamber is formed between the inner partition and the left cover plate. The left spring, the left contact piece, the upper left contact point and the lower left contact terminal are located in the left chamber. One end of the left spring hooks the switch body and the other end hooks the left contact piece. The left contact piece is connected to the bracket terminal. The upper left contact point is installed at the end of the left contact piece. The lower left contact terminal is located directly below the upper left contact point. The right cover plate is installed on the right side of the switch body, and a right chamber is formed between the inner partition and the right cover plate. The right spring, the right contact piece, the upper right contact point and the lower right contact terminal are located in the right chamber. One end of the right spring hooks the switch body and the other end hooks the right contact piece. The right contact piece is connected to the bracket terminal. The upper right contact point is installed at the end of the right contact piece. The lower right contact terminal is located directly below the upper right contact point. The bracket terminal is installed in the inner partition. A part of the bracket terminal is located in the left chamber and the other part is located in the right chamber. The key is movably installed above the switch body. Pressing the key causes the left spring and the right spring to be pressed down respectively; the upper left contact point contacts the lower left contact terminal, and the upper right contact point contacts the lower right contact terminal.

[0005] As a preferred scheme of the utility model, when in the off state, the distance between the upper left contact point and the lower left contact terminal is greater than 4 mm, and the distance between the upper right contact point and the lower right contact terminal is greater than 4 mm.

[0006] As a preferred scheme of the utility model, the tails of the lower left contact terminal and the lower right contact terminal extend out from the bottom of the switch body, and an outer partition is provided at the bottom of the switch body to separate the tails of the lower left contact terminal and the lower right contact terminal.

[0007] As a preferred embodiment of the present utility model, buckles for installing the left cover plate and the right cover plate are provided on the front and rear sides of the switch body.

[0008] As a preferred embodiment of the present utility model, positioning holes are provided inside the switch body, and positioning posts are provided on the left cover plate and the right cover plate.

[0009] Beneficial effects: The structure of the high-voltage resistant micro switch of the present utility model is ingeniously designed. A left chamber is formed between the inner partition plate and the left cover plate, and a left spring, a left contact piece, an upper left contact point, and a lower left contact terminal are located in the left chamber. A right chamber is formed between the inner partition plate and the right cover plate, and a right spring, a right contact piece, an upper right contact point, and a lower right contact terminal are located in the right chamber. By setting the separated left and right chambers, the lower left and right contact terminals are separated, the distance is increased, and the voltage resistance of the micro switch is improved, thereby improving the working stability of the product. Description of the Drawings

[0010] Figure 1 is the overall three-dimensional view of the present utility model;

[0011] Figure 2 is the exploded view of the switch body, the left cover plate, and the right cover plate of the present utility model;

[0012] Figure 3 is the three-dimensional view of the present utility model viewed from the left side;

[0013] Figure 4 is the three-dimensional view of the present utility model viewed from the right side;

[0014] Figure 5 is the exploded view of the present utility model. Detailed Embodiments

[0015] The following further describes the detailed embodiments of the present utility model in conjunction with the drawings:

[0016] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the position or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0017] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0018] As Figures 1 to 5 shown, a high-voltage resistant microswitch includes a switch body 1, a bracket terminal 2, a left cover plate 3, a right cover plate 4, a left spring 5, a left contact piece 6, an upper left contact point 7, a lower left contact terminal 8, a right spring 9, a right contact piece 10, an upper right contact point 11, a lower right contact terminal 12, and a button 13. An inner partition 14 is provided inside the switch body 1. The left cover plate 3 is installed on the left side of the switch body 1. A left chamber 15 is formed between the inner partition 14 and the left cover plate 3. The left spring 5, the left contact piece 6, the upper left contact point 7, and the lower left contact terminal 8 are located in the left chamber 15. One end of the left spring 5 hooks the switch body 1 and the other end hooks the left contact piece 6. The left contact piece 6 is connected to the bracket terminal 2. The upper left contact point 7 is installed at the end of the left contact piece 6. The lower left contact terminal 8 is located directly below the upper left contact point 7. The right cover plate 4 is installed on the right side of the switch body 1. A right chamber 16 is formed between the inner partition 14 and the right cover plate 4. The right spring 9, the right contact piece 10, the upper right contact point 11, and the lower right contact terminal 12 are located in the right chamber 16. One end of the right spring 9 hooks the switch body 1 and the other end hooks the right contact piece 10. The right contact piece 10 is connected to the bracket terminal. The upper right contact point 11 is installed at the end of the right contact piece 10. The lower right contact terminal 12 is located directly below the upper right contact point 11. The bracket terminal 2 is installed in the inner partition 14. A part of the bracket terminal 2 is located in the left chamber 15 and the other part is located in the right chamber 16. The button 13 is movably installed above the switch body 1. Pressing the button 13 causes the left spring 5 and the right spring 9 to be pressed down respectively; the left spring 5 drives the left contact piece 6 to be pressed down, and the upper left contact point 7 contacts the lower left contact terminal 8. The right spring 9 drives the right contact piece 10 to be pressed down, and the upper right contact point 11 contacts the lower right contact terminal 12.

[0019] Specifically, in the off state, the distance between the upper left contact point 7 and the lower left contact terminal 8 is greater than 4 mm, and the distance between the upper right contact point 11 and the lower right contact terminal 12 is greater than 4 mm. A large-spacing structure is adopted on both sides. When superimposed together, the distance can reach more than 8.0 mm, making the switch more voltage-resistant.

[0020] Specifically, the tails of the lower left contact terminal 8 and the lower right contact terminal 12 extend out from the bottom of the switch body 1. An outer partition 17 is provided at the bottom of the switch body 1. The outer partition 17 separates the tails of the lower left contact terminal 8 and the lower right contact terminal 12.

[0021] Specifically, buckles 18 for installing the left cover plate 3 and the right cover plate 4 are provided on the front and rear sides of the switch body 1, positioning holes 19 are provided inside the switch body 1, and positioning posts 20 are provided on the left cover plate 3 and the right cover plate 4.

[0022] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, and all should be regarded as belonging to the protection scope of the present utility model.

Claims

1. A high-voltage micro switch, characterized in that: The switch body comprises a switch main body, a bracket terminal, a left cover plate, a right cover plate, a left spring, a left contact piece, an upper left contact point, a lower left contact terminal, a right spring, a right contact piece, an upper right contact point, a lower right contact terminal and a button. An inner partition is arranged inside the switch main body. A left cover plate is installed on the left side of the switch main body. A left chamber is formed between the inner partition plate and the left cover plate. The left spring, the left contact piece, the upper left contact point and the lower left contact terminal are located in the left chamber. One end of the left spring hooks the switch main body and the other end hooks the left contact piece. The left contact piece is connected to the bracket terminal. The upper left contact point is installed at the end of the left contact piece. The lower left contact terminal is located at the upper left Right below the contact point, a right cover is installed on the right side of the switch body, a right chamber is formed between the inner partition and the right cover, a right spring, a right contact piece, a right upper contact point, and a right lower contact terminal are located in the right chamber, one end of the right spring hooks the switch body and the other end hooks the right contact piece, the right contact piece is connected to the bracket terminal, the right upper contact point is installed at the end of the right contact piece, the right lower contact terminal is located right below the right upper contact point, the bracket terminal is installed in the inner partition, a part of the bracket terminal is located in the left chamber and the other part is located in the right chamber, a button is movably installed above the switch body, and pressing the button presses the left spring and the right spring down respectively; The upper left contact point contacts the lower left contact terminal, and the upper right contact point contacts the lower right contact terminal.

2. The high-voltage micro switch according to claim 1, characterized in that: In the disconnected state, the distance between the upper left contact point and the lower left contact terminal is greater than 4 mm, and the distance between the upper right contact point and the lower right contact terminal is greater than 4 mm.

3. The high-voltage micro switch according to claim 1, characterized in that: The tail of the lower left contact terminal and the tail of the lower right contact terminal extend from the bottom of the switch body. An outer partition is provided at the bottom of the switch body to separate the tail of the lower left contact terminal from the tail of the lower right contact terminal.

4. The high-voltage micro switch according to claim 1, characterized in that: Buckles for installing the left cover plate and the right cover plate are arranged on the front and rear sides of the switch body.

5. The high-voltage micro switch according to claim 4, characterized in that: A positioning hole is arranged on the inner side of the switch body, and a positioning column is arranged on the left cover plate and the right cover plate.

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