High deformation recovery thin film switch

Abstract

The utility model discloses a kind of high deformation recovery thin film switches, relate to thin film switch field, including circuit board main body, the upper surface of circuit board main body is fixedly connected with multiple static contacts of rectangular array distribution, the upper surface of circuit board main body is fixedly connected with multiple insulating columns of rectangular array distribution, the lower surface of insulating column is bonded with the upper surface of circuit board main body, the middle part of insulating column is equipped with through-hole, static contact is located in the inner cavity of through-hole, the both sides inner wall of insulating column is equipped with placing groove, the groove bottom of placing groove is fixedly connected with small static magnet.The utility model is fixedly connected with small static magnet in the lower end inner wall of placing groove, the upper side of small static magnet is provided with small dynamic magnet in the inner cavity of placing groove, avoid after long time use of elastic sheet, and cannot reset situation caused, effectively improve the service life of the device when using.

Claims

1. A high-deformation-recovery membrane switch, comprising a circuit board body (1), characterized in that: The upper surface of the circuit board body (1) is fixedly connected with a plurality of stationary contacts (2) arranged in a rectangular array. The upper surface of the circuit board body (1) is fixedly connected with a plurality of insulating pillars (3) arranged in a rectangular array. The lower surface of the insulating pillars (3) is bonded to the upper surface of the circuit board body (1). A through hole (4) is opened in the middle of the insulating pillar (3). The stationary contacts (2) are located in the inner cavity of the through hole (4). Placement grooves (5) are opened on both sides of the inner wall of the insulating pillar (3). A small static magnet (6) is fixedly connected to the bottom of the placement groove (5). A small static magnet (6) is provided above the small static magnet (6). A small moving magnet (7) is placed in the cavity of the placement slot (5). The small moving magnet (7) is adapted to the placement slot (5). A sliding groove (8) is opened on the upper end of the inner wall of the two placement slots (5) that are close to each other. A V-shaped connecting plate (9) is provided above the stationary contact (2). The two ends of the V-shaped connecting plate (9) are respectively located in the cavity of the two sliding grooves (8) and are adapted to the sliding grooves (8). The two ends of the V-shaped connecting plate (9) are respectively fixedly connected to the side of the two small moving magnets (7) that are close to each other. A moving contact (10) is fixedly connected to the middle of the lower surface of the V-shaped connecting plate (9).

2. The high deformation recovery membrane switch according to claim 1, characterized in that: Vent holes (11) are provided on the inner walls of the two placement slots (5) on the side away from each other, and an elastic rubber pad (12) is bonded to the upper inner wall of the placement slot (5).

3. A high deformation recovery membrane switch according to claim 2, characterized in that: An isolation plate (13) is provided on the upper surface of the circuit board body (1), and the lower surface of the isolation plate (13) is bonded to the upper surface of the circuit board body (1).

4. A high deformation recovery membrane switch according to claim 3, characterized in that: The lower end of the outer wall of the insulating column (3) is fixedly connected to the isolation plate (13), and a control panel (14) is provided above the isolation plate (13).

5. A high deformation recovery membrane switch according to claim 4, characterized in that: The upper end face of the insulating column (3) is fixedly connected to the lower end face of the control panel (14), and a connecting column (15) is fixedly connected to the middle of the upper surface of the V-shaped connecting plate (9).

6. A high deformation recovery membrane switch according to claim 5, characterized in that: The upper end of the connecting column (15) extends through the lower surface of the control panel (14) and above the control panel (14), and a transparent waterproof membrane (16) is adhered to the upper surface of the control panel (14).

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