TWI701690B - Push switch with a light transmission structure - Google Patents

Abstract

A push switch with a light transmission structure includes a main body assembly, an elastic trigger plate with an elastic reset capability, a pressing member, and a light emitting device. The elastic trigger plate is installed in the main body assembly; the pressing member is installed at the upper side of the elastic trigger plate; the light emitting device is installed at the lower side of the elastic trigger plate, the elastic trigger plate has a hollow portion at its surface; the pressing member is made of a light guide material and has a pressing portion and an actuating portion formed on both sides of the pressing member respectively; the pressing portion has a light output surface formed at a distal surface of the pressing portion; the actuating portion has a light input surface formed at a distal surface of the actuating portion and an actuating surface formed at the periphery of the light input surface; the light input surface is aligned precisely with the hollow portion; and the actuating surface is aligned precisely with the pressing portion at the periphery of the hollow portion, so that after a light source of the light emitting device is entered into the light input surface and then projected to the outside from the light output surface, the light source indicates a using status of the push switch.

Description

Push switch with light-transmitting structure

A push-type switch with a light-transmitting structure, especially a light-transmitting structure in which the light source in the push-type switch can be projected to the outside of the push-type switch.

In order to indicate the state of the switch in general electronic products, a light-emitting element is arranged on the circuit board of the electronic product and exposed to the housing of the electronic product. When the switch is triggered, the light-emitting element indicates the switch state, or Let the user know the position of the switch clearly, so that the user can operate it. This method will occupy the space on the circuit board and make the design of the housing difficult. Therefore, the relevant industry has installed the light-emitting element in the push switch , In order to solve the above problem, but because the push-type switch relies on the pusher to move up and down to trigger the signal, the light source emitted by the light-emitting element will be blocked by the pusher, and cannot be directly projected to the top of the pusher, or only the edge of the pusher appears The phenomenon of luminescence, but no light on the top, leads to poor indication of the push-type switch light source.

The main purpose of the present invention is to use the light source of the light-emitting device to directly project on the pressing member with light guiding effect, so that the light emitted by the pressing member can clearly indicate the user's switch state.

To achieve the above objective, the present invention is provided with a body group, a trigger elastic piece with elastic reset capability, a pressing member, and a light-emitting device. The body group has a base, the trigger elastic piece is arranged in the base, and the pressing member is arranged on the trigger elastic piece On the upper side, the light-emitting device is arranged on the lower side of the trigger spring. The trigger spring has an arc-shaped contact portion and a contact portion extending laterally from the periphery of the contact portion. The surface of the contact portion is provided with a hollow portion, and the pressing member is used for guiding It is made of light material. The pressing part and the actuating part are formed on both sides. The end surface of the pressing part is formed with a light emitting surface. The end surface of the actuating part is formed with a light incident surface and an actuating surface formed by the periphery of the light incident surface. It is facing the hollow part, and the actuating surface is facing the contact pressing part on the periphery of the hollow part, so that the light source of the light emitting device enters from the light-incident surface, and then projects from the light-emitting surface to the outside.

The aforementioned push switch with a light-transmitting structure, wherein the light-emitting device is arranged in the base of the main body group, has a circuit substrate and a light-emitting element arranged on the surface of the circuit substrate, and the abutment portion of the trigger spring is connected to the circuit substrate Surface, and make the light-emitting piece face the hollow part.

The aforementioned push switch with a light-transmitting structure, wherein the light-emitting device is arranged in the base of the main body group, has a circuit substrate and a light-emitting element arranged on the surface of the circuit substrate, and the abutment portion of the trigger spring is connected to the circuit substrate The luminous element is exposed to the trigger shrapnel from the hollow part on the surface, and the light-incident surface of the actuating part is formed by recessing the end surface of the actuating part.

The aforementioned push switch with a light-transmitting structure, wherein the light-emitting device is arranged in the base of the main body group, has a circuit substrate and a light-emitting element arranged on the bottom surface of the circuit substrate, and the circuit substrate is provided with the light-emitting element emits light The light-transmitting hole through which the light source passes, and the abutting portion of the trigger elastic piece is connected to the surface of the circuit substrate, and the hollow portion is facing the light-transmitting hole.

The aforementioned push switch with a light-transmitting structure, wherein the light-emitting device is arranged on the lower side of the main body group, and the bottom surface of the base of the main body group is provided with a through hole facing the hollow part of the trigger spring, and is embedded in the through hole The light-emitting device has a circuit board and a light-emitting element arranged on the circuit board. The base of the main body group is connected to the circuit board so that the light-emitting element faces the lens.

Please refer to the first to fourth figures. It can be clearly seen from the figures that the present invention is provided with a body set 1, a trigger spring with elastic reset capability, a pressing member 3, a light emitting device 4, and a potentiometer 7. :

The main body assembly 1 has a base 11 and a shielding case 12 covering the outside of the base 11, and an accommodation space 111 is provided in the base 11.

The trigger elastic piece 2 is arranged in the accommodating space 111 of the main body set 1, and the trigger elastic piece 2 has an arc-shaped contact pressure portion 21 and a contact portion 22 extending laterally from the periphery of the contact portion 21, and the contact pressure portion 21 is provided on the surface There is a hollow 23.

The pressing member 3 is made of a light-guiding material. A pressing part 31 and an actuating part 32 are formed on both sides respectively. The end surface of the pressing part 31 is formed with a light-emitting surface 311, and the end surface of the actuating part 32 is formed with a light-incident surface 321 and an input surface. The actuating surface 322 formed by the periphery of the smooth surface 321, the light incident surface 321 is formed by recessing the end surface of the actuating portion 32, and the actuating portion 32 is located in the accommodating space 111 of the main body assembly 1, and is located above the trigger spring 2. The light-incident surface 321 is made to face the hollow portion 23, the actuating surface 322 is facing the perimeter of the contact pressing portion 21 on the hollow portion 23, and the pressing portion 31 is penetrated by the shielding shell 12 of the main body assembly 1.

The light-emitting device 4 is arranged in the accommodating space 111 of the main body group 1, and is located below the trigger elastic sheet 2. It has a circuit substrate 41 and a light-emitting element 42 arranged on the surface of the circuit substrate 41 and makes the trigger elastic sheet 2 abut against The part 22 is connected to the surface of the circuit board 41 so that the light-emitting element 42 faces the hollow part 23 and is exposed from the trigger spring 2 through the hollow part 23.

The potentiometer 7 is arranged in the accommodating space 111 of the body set 1 and connected to the pressing member 3. The potentiometer 7 can be a variable resistor or an encoder, and the pressing member 3 rotates to drive an output signal.

By virtue of this, when the present invention is used, the light source emitted by the light-emitting element 42 of the light-emitting device 4 will directly face the light-incident surface 321, so that the light source enters the pressing element 3 from the light-incident surface 321, and then is projected out of the outside from the light-emitting surface 311 , So that the user can clearly see the position of the pressing member 3 and the switch state; when the user presses the pressing portion 31 of the pressing member 3, the actuating surface 322 will press the contact portion 21 of the trigger spring 2 to make the contact portion 21 Contacting the conductive terminal (not shown in the figure) generates a signal. When the user stops pressing the pressing portion 31, the pressing portion 31 will be restored to its original state due to the reset ability of the touch pressing portion 21.

Referring to the fifth and sixth figures, it can be clearly seen from the figures that the difference between the second embodiment of the present invention and the aforementioned first embodiment is that the light-emitting element 52 of the light-emitting device 5 is disposed on the circuit substrate 51 The bottom surface, and the circuit substrate 51 is provided with a light-transmitting hole 511 for the light source emitted by the light-emitting element 52 to pass through, and the hollow portion 23 is facing the light-transmitting hole 511, and the light source can also enter the pressing member 3 from the light-incident surface 321 Then, the light-emitting surface 311 projects the outside world.

Please refer to the seventh to the eleventh figure. From the seventh to the ninth figure, it can be clearly seen that the difference between the third embodiment of the present invention and the aforementioned first embodiment is that the base of the body set 1 11 is provided with a through hole 112 facing the hollow portion 23 of the trigger spring 2 on the bottom surface, and a lens 13 is embedded in the through hole 112. Please refer to Figures 10 and 11. The light emitting device 6 has a circuit substrate 61 and the light-emitting element 62 provided on the circuit board 61. The base 11 of the main body group 1 is connected to the circuit board 61 so that the light-emitting element 62 faces the lens 13, and the light source can also enter behind the pressing element 3 from the light incident surface 321 , And then project the outside from the light-emitting surface 311.

1: Ontology group 11: Pedestal 111: housing space 112: Through hole 12: Shielding shell 13: lens 2: trigger shrapnel 21: Contact pressure part 22: abutment 23: hollow part 3: Pressing parts 31: Pressing part 311: Glossy Surface 32: Acting Department 321: Glossy Surface 322: Acting Face 4: Light-emitting device 41: Circuit board 42: luminous parts 5: Light-emitting device 51: circuit board 511: light hole 52: light-emitting parts 6: Light-emitting device 61: Circuit board 62: light-emitting parts 7: Potentiometer

The first figure is a perspective view of the first embodiment of the invention. The second figure is a cross-sectional view of the first embodiment of the present invention. The third figure is a partial enlarged view of the cross-section of the first embodiment of the present invention. The fourth figure is a partial exploded view of the first embodiment of the present invention. The fifth figure is a cross-sectional view of the second embodiment of the present invention. The sixth figure is a partial enlarged view of the cross-section of the second embodiment of the present invention. The seventh figure is a perspective view of the third embodiment of the present invention. Figure 8 is a perspective view of the third embodiment of the present invention from another perspective. Figure 9 is a cross-sectional view of the third embodiment of the present invention. The tenth figure is a partial exploded view of the third embodiment of the present invention. Figure 11 is a schematic diagram of the use state of the third embodiment of the present invention.

1: Ontology group

11: Pedestal

111: housing space

12: Shielding shell

2: trigger shrapnel

21: Contact pressure part

22: abutment

23: hollow part

3: Pressing parts

31: Pressing part

32: Acting Department

4: Light-emitting device

41: Circuit board

42: luminous parts

7: Potentiometer

Claims (3)

A push-type switch with a light-transmitting structure, comprising a body group, a trigger elastic piece with elastic reset capability, a pressing piece and a light emitting device. The body group has a base, the trigger elastic piece is arranged in the base, and the pressing piece is arranged in the base. On the upper side of the trigger elastic piece, the light emitting device is arranged on the lower side of the trigger elastic piece, and is characterized in that the trigger elastic piece has an arc-shaped touch portion and a contact portion extending laterally from the periphery of the touch portion, and a hollow portion is provided on the surface of the touch portion , And the pressing piece is made of light-guiding material. The pressing part and the actuating part are formed on both sides. The end surface of the pressing part is formed with a light-emitting surface, and the end surface of the actuating part is formed by a light-incident surface and a peripheral edge of the light-incident surface. The actuating surface, and the light-incident surface is facing the hollow part, and the actuating surface is facing the contact pressure part on the periphery of the hollow part, so that the light source of the light-emitting device enters from the light-incident surface, and then is projected to the outside from the light-emitting surface, and the light-emitting device It is arranged in the base of the main body group and has a circuit substrate and a light-emitting element arranged on the surface of the circuit substrate. The abutting part of the trigger elastic piece is connected to the surface of the circuit substrate, and the light-emitting element is exposed to the trigger elastic piece from the hollow part, and The light-incident surface of the actuating part is formed by recessing the end surface of the actuating part. A push-type switch with a light-transmitting structure, comprising a body group, a trigger elastic piece with elastic reset capability, a pressing piece and a light emitting device. The body group has a base, the trigger elastic piece is arranged in the base, and the pressing piece is arranged in the base. On the upper side of the trigger elastic piece, the light emitting device is arranged on the lower side of the trigger elastic piece, and is characterized in that the trigger elastic piece has an arc-shaped touch portion and a contact portion extending laterally from the periphery of the touch portion, and a hollow portion is provided on the surface of the touch portion , And the pressing piece is made of light-guiding material. The pressing part and the actuating part are formed on both sides. The end surface of the pressing part is formed with a light-emitting surface, and the end surface of the actuating part is formed by a light-incident surface and a peripheral edge of the light-incident surface. The actuating surface, and the light-incident surface is facing the hollow part, and the actuating surface is facing the contact pressure part on the periphery of the hollow part, so that the light source of the light-emitting device enters from the light-incident surface, and then is projected to the outside from the light-emitting surface, and the light-emitting device Is set in the base of the body group, has a circuit substrate and is set on the circuit base The light-emitting element on the bottom surface of the board, and the circuit substrate is provided with a light-transmitting hole for the light source emitted by the light-emitting element to pass through, and the abutting part of the trigger elastic piece is connected to the surface of the circuit substrate, and the hollow part is facing the light-transmitting hole. A push-type switch with a light-transmitting structure, comprising a body group, a trigger elastic piece with elastic reset capability, a pressing piece and a light emitting device. The body group has a base, the trigger elastic piece is arranged in the base, and the pressing piece is arranged in the base. On the upper side of the trigger elastic piece, the light emitting device is arranged on the lower side of the trigger elastic piece, and is characterized in that the trigger elastic piece has an arc-shaped touch portion and a contact portion extending laterally from the periphery of the touch portion, and a hollow portion is provided on the surface of the touch portion , And the pressing piece is made of light-guiding material. The pressing part and the actuating part are formed on both sides. The end surface of the pressing part is formed with a light-emitting surface, and the end surface of the actuating part is formed by a light-incident surface and a peripheral edge of the light-incident surface. The actuating surface, and the light-incident surface is facing the hollow part, and the actuating surface is facing the contact pressure part on the periphery of the hollow part, so that the light source of the light-emitting device enters from the light-incident surface, and then is projected to the outside from the light-emitting surface, and the light-emitting device It is arranged on the lower side of the main body group. The bottom surface of the base of the main body group is provided with a through hole facing the hollow part of the trigger spring, and a lens is embedded in the through hole. The light emitting device has a circuit substrate and a circuit substrate. The light emitting element and the base of the main body group are connected to the circuit board so that the light emitting element faces the lens.

Images