Two-position touch bipolar switch

Abstract

The utility model provides a two-position touch bipolar switch, which is characterized in that a PCB (printed circuit board) back plate is provided with a light guide sheet mounting groove, the lower end of one side of a light guide sheet is clamped with the light guide sheet mounting groove, the light guide sheet is fixed on the PCB back plate, the upper end of a pressing plate is provided with a plurality of buckle grooves, and the pressing plate is fixed at the upper end of the PCB back plate by matching the buckle grooves with raised buckles at the upper end of the side wall of a bottom shell. The pressing plate is provided with a light guide sheet groove corresponding to the light guide sheet, and the upper end of the light guide sheet passes through the light guide sheet groove; the input port of the terminal is connected with a null line and a live line; and the output end of the terminal is connected with load equipment. The touch switch has the advantages that the touch switches of the two branches can be controlled simultaneously, the input port of the product is connected with a zero line and a live line, the output end is connected with load equipment, the live line and the zero line can be disconnected simultaneously when the switch works, the safety and the stability of the load equipment are ensured, the load equipment is not damaged by overload current, and the circuit is more flexible and convenient to control. Mounting and dismounting are convenient and fast.

Description

Technical Field

[0001] The utility model relates to a two - position touch bipolar switch. Background Art

[0002] The load devices connected to the existing touch switches are vulnerable to damage caused by overload current. Content of the Utility Model

[0003] Aiming at the above problems, the utility model provides a two - position touch bipolar switch.

[0004] The utility model purpose is achieved through the following scheme: A two - position touch bipolar switch includes a bottom case, a light guide plate, pins, a PCB bottom board, a PCB back board, a pressing plate and a pin socket. An opening is provided at the upper end of the bottom case, and an installation cavity is formed inside. At the intersection of one side wall and the bottom surface of the bottom case, there is a terminal installation opening inclined inward. The lower end of the PCB bottom board is provided with terminals inclined inward. The PCB bottom board is snap - fitted and installed in the installation cavity, and the terminals are fitted in the terminal installation opening. The upper end of the PCB bottom board is provided with pins, and the lower end of the PCB back board is provided with a pin socket. The PCB back board is snap - fitted in the installation cavity above the PCB bottom board and is connected to the PCB bottom board through the cooperation of the pins and the pin socket; A light guide plate installation groove is provided on the PCB back board. One side lower end of the light guide plate is snap - fitted and installed with the light guide plate installation groove to fix the light guide plate on the PCB back board. The upper end of the pressing plate is provided with a number of buckle grooves, and the pressing plate is fixed to the upper end of the PCB back board through the cooperation of the buckle grooves and the raised buckles on the upper end of the side wall of the bottom case. A light guide plate groove is also provided on the pressing plate corresponding to the position of the light guide plate, and the upper end of the light guide plate passes through the light guide plate groove; The input ports of the terminals are connected to the zero - fire wires; The output ends of the terminals are connected to the load devices.

[0005] Further, a snap - fit structure for snap - fitting the PCB bottom board and the PCB back board is provided on the inner side wall of the installation cavity.

[0006] Further, a positioning protrusion is provided at the upper end of the side wall of the bottom case, and a notch for cooperating with the positioning protrusion is provided at the upper end of the pressing plate.

[0007] Further, the pressing plate is square, and concave notches are provided at the corners of the square.

[0008] Further, the positioning protrusion and the concave notch are L - shaped and cooperate with each other.

[0009] Further, the light guide plate installation groove includes a groove body and two cylindrical jacks located on the groove body. One side lower end of the light guide plate is provided with a pin and a positioning block.

[0010] Further, an inward - concave PCB back board installation groove is provided on the upper end surface of the side wall of the bottom case. The periphery of the PCB back board is provided with a raised extension section at the outer edge of the PCB back board, and the extension section is snap - fitted and installed in the PCB back board installation groove.

[0011] The beneficial effects of the present utility model are as follows: It can simultaneously control the touch switches of two branches. Connect the input port of the product to the zero wire and the live wire, and connect the output end to the load device. When the switch works, it can simultaneously disconnect the live wire and the zero wire, ensuring the safety and stability of the load device, being not damaged by overcurrent, and making the circuit more flexible and convenient to control. It is convenient and quick to install and disassemble. Brief Description of the Drawings

[0012] Figure 1 It is an exploded view of the present utility model.

[0013] Figure 2 It is a structural schematic diagram of the present utility model Figure 1 .

[0014] Figure 3 It is a structural schematic diagram of the present utility model Figure 2 .

[0015] Figure 4 It is a structural schematic diagram of the zero wire and live wire connection structure of the present utility model Figure 1 .

[0016] Figure 5 It is a structural schematic diagram of the zero wire and live wire connection structure of the present utility model Figure 2 . Detailed Description of the Preferred Embodiment

[0017] The present utility model will be further described below in conjunction with specific embodiments and the drawings:

[0018] Embodiment 1, referring to the attached Figures 1-5 As shown, the present utility model: a 2 - position touch bipolar switch, including a bottom case 1, a light guide plate 4, pins 5, a PCB bottom plate 2, a PCB back plate 3, a pressing plate 6 and a pin socket. There is an opening at the upper end of the bottom case, and an installation cavity is formed inside. At the intersection of one side wall and the bottom surface of the bottom case, there is an inward - inclined terminal installation port 7. The lower end of the PCB bottom plate is provided with an inward - inclined terminal 23. The PCB bottom plate is snap - fitted and installed in the installation cavity, and the terminal is fitted in the terminal installation port. The upper end of the PCB bottom plate is provided with pins, and the lower end of the PCB back plate is provided with a pin socket. The PCB back plate is snap - fitted in the installation cavity above the PCB bottom plate and is connected to the PCB bottom plate through the cooperation of the pins and the pin socket; there is a light guide plate installation groove 8 on the PCB back plate. One side lower end of the light guide plate is snap - fitted and installed with the light guide plate installation groove to fix the light guide plate on the PCB back plate. The upper end of the pressing plate is provided with a number of snap - lock grooves 9, and the pressing plate is fixed to the upper end of the PCB back plate through the cooperation of the snap - lock grooves and the raised snap - locks 10 on the side wall upper end of the bottom case. The pressing plate is also provided with a light guide plate groove 11 corresponding to the position of the light guide plate, and the upper end of the light guide plate passes through the light guide plate groove; the input port 12 of the terminal is connected to the zero wire and the live wire; the output end 13 of the terminal is connected to the load device 14.

[0019] The input port 12 of the terminal is connected to the zero wire 21 and the live wire 22.

[0020] A 2 - position touch bipolar switch is provided with a clamping structure on the inner side wall of the installation cavity for clamping the PCB bottom plate and the PCB back plate.

[0021] A 2 - position touch bipolar switch, the upper end of the side wall of the bottom case is provided with a positioning projection 15, and the upper end of the pressure plate is provided with a notch 16 that cooperates with the positioning projection.

[0022] A 2 - position touch bipolar switch, the pressure plate is square, and concave notches are provided at the corners of the square.

[0023] A 2 - position touch bipolar switch, the positioning projection and the concave notch are in an L - shaped fit with each other.

[0024] A 2 - position touch bipolar switch, the light guide plate installation groove includes a groove body and two cylindrical jacks 17 located on the groove body. One side lower end of the light guide plate is provided with a plug 18 and a positioning block.

[0025] A 2 - position touch bipolar switch, the upper end face of the side wall of the bottom case is provided with a concave PCB back plate installation groove 19. The periphery of the PCB back plate is provided with a raised extension section 20 at the outer edge of the PCB back plate, and the extension section is clamped and installed in the PCB back plate installation groove.

[0026] Although the present utility model has been illustrated and described by referring to the preferred embodiments, those of ordinary skill in the art should understand that it is not limited to the description of the above - mentioned embodiments, and various changes in form and details can be made within the scope of the claims.

Claims

1. A 2-position touch bipolar switch, comprising a bottom shell, a light guide, a pin, a PCB bottom plate, a PCB back plate, a pressure plate and a pin seat, characterized in that: An opening is provided at the upper end of the bottom shell, and a mounting cavity is formed on the inner side. A terminal mounting opening inclined inwardly is formed at the intersection of one side wall and the bottom surface of the bottom shell. A terminal inclined inwardly is provided at the lower end of the PCB bottom plate. The PCB bottom plate is snap-fitted and installed in the mounting cavity, and the terminal is embedded in the terminal mounting opening. A pin is provided at the upper end of the PCB bottom plate, and a pin seat is provided at the lower end of the PCB back plate. The PCB back plate is snap-fitted in the mounting cavity above the PCB bottom plate and connected to the PCB bottom plate through the pin and the pin seat. A light guide mounting groove is provided on the PCB back plate, and the lower end of one side of the light guide is snap-fitted and installed with the light guide mounting groove to fix the light guide on the PCB back plate. A plurality of buckle grooves are provided at the upper end of the pressure plate, and the pressure plate is fixed to the upper end of the PCB back plate through the buckle cooperation of the buckle groove and the protrusion at the upper end of the side wall of the bottom shell. A light guide groove is also provided at the position of the pressure plate corresponding to the light guide, and the upper end of the light guide passes through the light guide groove. The input port of the terminal is connected to the neutral and live wires; the output end of the terminal is connected to the load device.

2. A 2-position touch bipolar switch according to claim 1, characterized in that: A clamping structure for clamping the PCB bottom plate and the PCB back plate is arranged on the inner side wall of the installation cavity.

3. A 2-position touch bipolar switch according to claim 1, characterized in that: A positioning protrusion is arranged at the upper end of the side wall of the bottom shell, and a notch matching the positioning protrusion is arranged at the upper end of the pressure plate.

4. A 2-position touch bipolar switch according to claim 3, characterized in that: The pressing plate is in a square shape, and concave notches are arranged at the corners of the square.

5. A 2-position touch bipolar switch according to claim 4, characterized in that: The positioning protrusion and the concave notch are in an L-shape that fits with each other.

6. A 2-position touch bipolar switch according to claim 1, characterized in that: The light guide plate installation slot comprises a slot body and two cylindrical insertion holes located on the slot body, and a latch pin and a positioning block are arranged at the lower end of one side of the light guide plate.

7. A 2-position touch bipolar switch according to claim 1, characterized in that: An inwardly concave PCB backplane mounting groove is arranged on the upper end surface of the side wall of the bottom shell, and a protruding extension section on the outer edge of the PCB backplane is arranged around the PCB backplane, and the extension section is snap-fitted and installed in the PCB backplane mounting groove.

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