TWM627621U - Key button with adjustable pressing sound or pressing force - Google Patents

Abstract

The present invention discloses a key with adjustable pressing sound or pressing force, including a PCB board, an electrical component disposed on the PCB board to generate a switch signal through the action of a switch shaft, a key housing, a built-in switch shaft, and a reset elastic member ; Also includes a swing arm that is constructed on a switch, the switch is electrically connected to the PCB board, and through the electronically controlled switch, the swing arm can be made to face or away from the sounding member or torsion spring arm on the switch shaft, using To adjust the force or sound that is fed back to the user when pressing. This creation protects two buttons that can switch states. By switching the position of the swing arm, switching the sound or silent mode of the button, removing the shovel on the switch shaft can also change the pressing force of the switch shaft, realizing one button with two types. User experience; the switcher is electrically connected to the PCB board, and the state can be adjusted and switched through electronic control. It is not only ingenious in structure, but also suitable for mass production, with stable and reliable structure and broad market prospects.

Description

Press the sound or press the button with adjustable force

The invention relates to a key device, in particular to a key with adjustable pressing sound and pressing feel.

As the most commonly used peripheral input device, the keyboard is mainly composed of several keys (switches).

Keyboard users often pay attention to the feeling of use. Different users have different preferences. Some users prefer keys with a sense of paragraphs and percussion sounds. Some customers prefer quiet keys, and some customers prefer the feel of the keys. Strong keys, some customers prefer keys with weak feel; in addition, there are different needs in different occasions, such as when someone is resting at night, they want the keys to be silent, etc. Therefore, a product that can meet the needs of various users is needed. required buttons.

In view of the above problems, this creation aims to provide a key that uses electronic control to switch the pressing sound or pressing force.

In order to achieve the technical purpose, the proposal of this creation is: a key with adjustable pressing sound, including a key housing and a movable switch shaft arranged in the housing, a reset elastic member, a sound-emitting mechanism, and a PCB board and a sound-emitting mechanism. The electrical component on the PCB board that generates the switch signal through the action of the switch shaft. The sound-emitting mechanism is composed of a sound-generating element set on the switch shaft and a swing arm matched with the sound-emitting element. When the switch shaft goes down, the sound-emitting element is on the top of the swing arm. The swing arm is constructed on a switch, the switch is electrically connected to the PCB board, and the swing arm can be made to face or away from the sounding member through the electronically controlled switch. Pressing the switch shaft will produce a pressing sound when the sound-emitting element is pressed, and when the swing arm is far away from the sound-emitting element, pressing the switch shaft is silent.

In one embodiment, the sounding member includes a sounding force accumulating torsion spring arranged on the side wall of the switch shaft and a shovel with an inclined plane. The side wall of the switch axle is also provided with a hit portion, and the force of the sound accumulating torsion spring is The arm is in contact with the attacked part in an unstressed state; when the swing arm is facing the sounding part, the force arm of the torsion spring that uses the sounding force storage spring under the switch shaft is blocked by the swing arm and leaves the attacked part to store force, and at the same time the shovel The inclined plane continuously squeezes the force arm of the sounding torsion spring to move away from the swing arm. When the force arm of the sounding torsion spring leaves the swing arm, the force arm of the sounding torsion spring quickly bounces back and strikes the hit part to make a sound.

In one embodiment, the switch includes a pendulum plate equipped with a magnet and a coil module electrically connected to the PCB board. The pendulum plate is arranged in the coil module and can be rotated in the coil module. The swinging plate is connected with the swinging arm. When the coil module drives the magnet to rotate, the swinging plate drives the swinging arm to move, so that the swinging arm is facing or away from the sounding member.

In one embodiment, the coil module includes an I-shaped frame and a coil sleeved on the I-shaped frame, the coil has coil pins and is electrically connected to the PCB board through the coil pins; the I-shaped frame also has coil pins. There is a positioning iron column mutually attracted with the magnet.

In one embodiment, the switch shaft is provided with a mute pad, the mute pad is embedded in the switch shaft, the mute pad is provided with a through hole for the switch shaft to pass through, and the mute pad is also provided with a swing arm to pass through. the escape hole.

In one embodiment, a grating element is provided at the bottom of the mute pad or the switch shaft, and the electrical component is a light-to-tube assembly attached to a PCB board; an LED light is also attached to the PCB board, and the shell The body is provided with a light guide column.

In one embodiment, the bottom of the mute pad or the switch shaft is provided with a magnetic element, and the electrical element is a Hall element attached to a PCB board; an LED light is also attached to the PCB board, and the housing There is a light guide column on it.

Another solution of the present creation is: a key with adjustable pressing force, comprising a key housing, a movable switch shaft arranged in the housing, a reset elastic member, a feel mechanism, and a PCB board and a button arranged on the PCB board. It is an electrical component that generates a switch signal through the action of the switch shaft. The handle mechanism is composed of a handle member set on the switch shaft and a swing arm matched with the handle member. When the switch shaft goes down, the handle member increases under the top-stop action of the swing arm. Pressing resistance; the swing arm is configured on a switch, the switch is electrically connected to the PCB board, and the swing arm can be made to face or be far away from the sensing member through the electronically controlled switch. When the swing arm is facing the sensing member Pressing the switch shaft will increase the pressing force, and pressing the switch shaft will not increase the pressing force when the swing arm is far away from the handle.

In one embodiment, the hand-feeling member is a hand-feeling torsion spring arranged on the side wall of the switch shaft, the inner wall of the housing is further provided with a stepped portion, and the middle section of the hand-feeling torsion spring is in contact with the stepped portion in an unstressed state; When the arm is facing the force arm of the tactile torsion spring, the downward movement of the push switch shaft will receive the resistance from the swing arm to the tactile torsion spring, thereby increasing the force required for pressing.

In one embodiment, the switch includes a pendulum plate equipped with a magnet and a coil module electrically connected to the PCB board. The pendulum plate is arranged in the coil module and can be rotated in the coil module. The swing plate is connected with the swing arm. When the coil module drives the magnet to rotate, the swing plate drives the swing arm to move, so that the swing arm is facing or away from the hand-feeling piece.

In one embodiment, the coil module includes an I-shaped frame and a coil sleeved on the I-shaped frame, the coil has coil pins and is electrically connected to the PCB board through the coil pins; the I-shaped frame also has coil pins. There is a positioning iron column mutually attracted with the magnet.

In one embodiment, the switch shaft is provided with a mute pad, the mute pad is embedded in the switch shaft, the mute pad is provided with a through hole for the switch shaft to pass through, and the mute pad is also provided with a swing arm to pass through. the escape hole.

In one embodiment, a grating element is provided at the bottom of the mute pad or the switch shaft, and the electrical component is a light-to-tube assembly attached to a PCB board; an LED light is also attached to the PCB board, and the shell The body is provided with a light guide column.

In one embodiment, the bottom of the mute pad or the switch shaft is provided with a magnetic element, and the electrical element is a Hall element attached to a PCB board; an LED light is also attached to the PCB board, and the housing There is a light guide column on it.

The beneficial effects of this creation are: this creation protects two buttons that can switch states. By switching the position of the swing arm, switching the sound or silent mode of the button, removing the shovel on the switch shaft can also change the pressing force of the switch shaft. Switching, realizes two user experiences with one button; the switcher is electrically connected to the PCB board, and the state can be adjusted and switched through electronic control. It is not only ingenious in structure, but also suitable for mass production, and has a stable and reliable structure with broad market prospects.

The present creation will be further described in detail below in conjunction with the drawings and specific embodiments.

As shown in Figures 1-8, the specific embodiment 1 of this creation is a button with adjustable sound, which can switch the positional relationship between the sound-emitting element 5 and the swing arm 605 through the power control, and adjust the button to sound or silent mode; The button with adjustable pressing sound includes a casing 4 and a movable switch shaft 1 disposed in the casing 4, a reset elastic member 2, a sounding mechanism, and also includes a PCB board 3 and a transparent switch shaft disposed on the PCB board 3 The action of 1 generates the electrical component of the switch signal. The sounding mechanism is composed of the sounding member 5 set on the switch shaft 1 and the swing arm 605 that matches the sounding member 5. When the switch shaft 1 goes down, the sounding member 5 stops at the top of the swing arm 605. The swing arm 605 is constructed on a switch 6, and the switch 6 is electrically connected to the PCB board 3. Through the electronically controlled switch 6, the swing arm 605 can be directly facing or away from the sounding member 5. When the arm 605 is facing the sounding member 5 , pressing the switch shaft 1 will generate a pressing sound, and when the swing arm 605 is away from the sounding member 5 , pressing the switch shaft 1 is silent.

As shown in Figures 3-4, the sounding member 5 includes a sounding force accumulating torsion spring 501 arranged on the side wall of the switch shaft 1 and a shovel 502 with an inclined plane. The shovel 502 is a wedge block structure that can push the sounding force accumulating torsion spring 501, The side wall of the switch shaft 1 is also provided with a hit portion 101, and the force arm of the sound-producing torsion spring 501 abuts against the hit portion 101 in an unstressed state; when the swing arm 605 is facing the sound-emitting member 5, press the switch shaft 1 The force arm of the sounding force accumulating torsion spring 501 is blocked by the swing arm 605 and leaves the attacked part 101 to accumulate force. At the same time, the inclined plane of the shovel 502 continuously squeezes the force arm of the torsion spring to move away from the swing arm 605. When the force arm leaves the swing arm 605 When the moment arm quickly bounces back and strikes the struck part 101 to make a sound.

The switch 6 includes a wobble plate 602 equipped with a magnet 601 and a coil module 603 electrically connected to the PCB board 3. The wobble plate 602 is arranged in the coil module 603 and can rotate in the coil module 603, so the The wobble plate 602 is connected with the swing arm 605, and the coil module 603 of the switch 6 is controlled to operate to switch the coil mode. The direction of the current in the group 603 changes the magnetic flux obtained by the magnet 601 .

The coil module 603 includes an I-shaped frame 6032 and a coil 6031 sleeved on the I-shaped frame 6032. The coil 6031 has coil pins 604 and is electrically connected to the PCB board 3 through the coil pins 604. The I-shaped frame 6032 There is a pin slot for assembling the coil pin 604, and the bottom of the I-shaped frame 6032 is fixed on the PCB board 3 through the fixing feet. The I-shaped frame 6032 is also provided with a positioning iron column 8 which is mutually attracted with the magnet.

The swing arm 605 has two states in contact with the sounding member 5 outside the switch shaft 1 or away from the sounding member 5 inside the switch shaft 1. A mute pad 9 is arranged between the switch shaft 1 and the return spring, and the mute pad 9 is embedded in the switch. In the shaft 1, the mute pad 9 is provided with a through hole 901 for the switch shaft 1 to pass through. The hollow hole 902 through which the swing arm 605 passes.

The button of this embodiment also has the function of outputting electrical signals. When used as a photoelectric button, a grating member 903 is provided at the bottom of the mute pad 9 or the switch shaft 1. The electrical component is the light-to-tube assembly 11 attached to the PCB board 3. The components 903 can switch the optical paths between the light-to-tube assemblies 11 to output different photoelectric signals. The schematic diagrams of FIG. 1 and FIG.

When used as an electromagnetic button, the bottom of the mute pad 9 or the switch shaft 1 is provided with a magnetic member 904, the electrical component is the Hall element 12 attached to the PCB board 3, and the magnetic member 904 can switch the magnetic flux received by the Hall element 12 to output different electromagnetic signals.

In this embodiment, the PCB board 3 of the button is also provided with LED lights, and the casing 4 is provided with a light guide column 402, which can emit glare and increase the experience of the button.

As shown in FIG. 2 , the second embodiment of the present invention is a button with adjustable pressing force, which can switch the positional relationship between the feel member 7 and the swing arm 605 through the power control, so as to adjust the resistance received by the feel member 7 during pressing. , to obtain different pressing feel.

The button with adjustable pressing force includes a casing 4 and a movable switch shaft 1 disposed in the casing 4, a reset elastic member 2, a feel mechanism, and also includes a PCB board 3 and a transparent switch shaft disposed on the PCB board 3. The action of 1 generates an electrical component of a switch signal. The handle mechanism is composed of a handle member 7 set on the switch shaft 1 and a swing arm 605 matching the handle member 7. When the switch shaft 1 goes down, the handle member 7 is in the swing arm 605. Under the action of the top stop, the pressing resistance is increased; the swing arm 605 is constructed on a switch 6, and the switch 6 is electrically connected to the PCB board 3, and the swing arm 605 can be faced to or away from the electronically controlled switch 6 When the swing arm 605 is facing the sensor 7, pressing the switch shaft 1 will increase the pressing force, and when the swing arm 605 is far away from the touch member 7, pressing the switch shaft 1 will not increase the pressing force.

Different from the button with adjustable sound, the button in this embodiment has the shovel 502 removed from the side wall of the switch shaft 1, so that the feel member 7 is always kept straight up and down when moving. The handle torsion spring 701, the inner wall of the housing 4 is also provided with a step portion 401, and the middle section of the handle torsion spring 701 abuts against the step portion 401 in an unstressed state; When pressing the switch shaft 1 downward, it will be resisted by the hand-feeling torsion spring 701 from the swing arm 605, thereby increasing the force required for pressing, providing the user with a feeling of strong pressing force.

The button switch 6 includes a wobble plate 602 equipped with a magnet 601 and a coil module 603 electrically connected to the PCB board 3 . The wobble plate 602 is disposed in the coil module 603 and can rotate in the coil module 603 , the swing plate 602 is connected with the swing arm 605 , when the coil module 603 drives the magnet 601 to rotate, the swing plate 602 drives the swing arm 605 to move, so that the swing arm 605 is facing or away from the feel member 7 .

The coil module 603 includes an I-shaped frame 6032 and a coil 6031 sleeved on the I-shaped frame 6032. The coil 6031 has coil pins 604 and is electrically connected to the PCB board 3 through the coil pins 604; The frame 6032 is also provided with a positioning iron column 8 which is mutually attracted with the magnet.

The swing arm 605 has two states in contact with the sounding member 5 outside the switch shaft 1 or away from the sounding member 5 inside the switch shaft 1. A mute pad 9 is arranged between the switch shaft 1 and the return spring, and the mute pad 9 is embedded in the switch. In the shaft 1, the mute pad 9 is provided with a through hole 901 for the switch shaft 1 to pass through, in order to prevent the swing arm 605 from hitting the switch When the shaft 1 is pressed inward, it will be restricted by the swing arm 605 , and the mute pad 9 is also provided with an escape hole 902 for the swing arm 605 to pass through.

The button of this embodiment also has the function of outputting electrical signals. When used as a photoelectric button, a grating member 903 is provided at the bottom of the mute pad 9 or the switch shaft 1. The electrical component is the light-to-tube assembly 11 attached to the PCB board 3. The components 903 can switch the light paths between the light-to-tube assemblies 11 to output different photoelectric signals.

When used as an electromagnetic button, the bottom of the mute pad 9 or the switch shaft 1 is provided with a magnetic member 904, the electrical component is the Hall element 12 attached to the PCB board 3, and the magnetic member 904 can switch the magnetic flux received by the Hall element 12 to output Different electromagnetic signals, FIG. 2 shows the positional relationship between the Hall element 12 patch and the PCB board 3 .

In this embodiment, the PCB board 3 of the button is also provided with LED lights, and the casing 4 is provided with a light guide column 402, which can emit glare and increase the experience of the button.

It should be noted that, in this creation, regardless of the sounding force storage torsion spring 501 in the sounding member or the feel torsion spring 701 of the feel member 7, it can be replaced with a reed or other elastically deformable objects, and such objects belong to this creation Equal replacement of torsion springs in .

The above are only preferred embodiments of this creation and are not intended to limit this creation. Any minor modifications, equal replacements and improvements made to the above embodiments according to the technical essence of this creation shall be included in the technical solutions of this creation. within the scope of protection.

1: switch shaft

101: Attacked Department

2: reset elastic

3: PCB board

4: Shell

401: Steps

402: light guide column

5: Sound Pieces

501: Sound storage torsion spring

502: Shovel

6: Switcher

601: Magnet

602: Platter

603: Coil Module

6031: Coil

6032: I-shaped frame

604: Coil Pin

605: Swing arm

7: feel parts

701: feel torsion spring

8: Positioning the iron pillar

9: mute pad

901: Through hole

902: Escape hole

903: Grating Parts

904: Magnetics

10: LED lights

11: Light to tube assembly

12: Hall element

Fig. 1 is the exploded view of the first embodiment of the creation; Fig. 2 is the exploded view of the second embodiment of this creation; FIG. 3 is a partial structural schematic diagram 1 of Embodiment 1 of the present creation; FIG. 4 is a second partial structural schematic diagram of the first embodiment of the present creation; Fig. 5 is the partial structure schematic diagram of the second embodiment of the creation; FIG. 6 is a schematic structural diagram of the housing in the creation; FIG. 7 is a structural schematic diagram of the mute pad in the creation; and FIG. 8 is a structural schematic diagram of the light-to-tube assembly and the PCB board in the creation.

1: switch shaft

101: Attacked Department

2: reset elastic

3: PCB board

5: Sound Pieces

601: Magnet

602: Platter

6031: Coil

6032: I-shaped frame

604: Coil Pin

605: Swing arm

7: feel parts

701: feel torsion spring

8: Positioning the iron pillar

9: mute pad

901: Through hole

903: Grating Parts

904: Magnetics

10: LED lights

11: Light to tube assembly

Claims (14)

A button with adjustable pressing sound, comprising a casing, a movable switch shaft, a reset elastic member, and a sounding mechanism arranged in the casing, and a PCB board and a switch shaft arranged on the PCB board and passing through the switch shaft. It is an electrical component that generates a switch signal by the action of the switch. It is characterized in that: the sound-emitting mechanism is composed of a sound-generating element arranged on the switch shaft and a swing arm matched with the sound-emitting element. When the switch shaft goes down, the sound-emitting element Under the top-stop action of the swing arm, the force is stored and the sound is generated; the swing arm is configured on a switch, the switch is electrically connected to the PCB board, and the swing arm can be made through the electronically controlled switch. Facing or away from the sound-emitting element, when the swing arm is facing the sound-emitting element, pressing the switch shaft will produce a pressing sound; when the swing arm is far away from the sound-emitting element, pressing the switch shaft is silent and silent . The button with adjustable pressing sound according to claim 1, wherein the sounding member comprises a sounding force storage torsion spring arranged on the side wall of the switch shaft and a shovel with an inclined plane, and the side wall of the switch shaft is further provided with a receiving the striking part, the force arm of the sounding force storage torsion spring is in contact with the striking part in the unstressed state; when the swing arm is facing the sounding part, the switch shaft is pressed down to make the sounding part The force arm of the accumulating torsion spring is blocked by the swing arm and leaves the hit portion and accumulating force, while the shovel slope continuously squeezes the force arm of the sounding accumulating torsion spring to move away from the swing arm, When the force arm of the sounding force accumulating torsion spring leaves the swing arm, the force arm of the sounding force accumulating torsion spring quickly bounces back and knocks the struck portion to make a sound. The button with adjustable pressing sound according to claim 2, wherein the switch includes a wobble plate with magnets and a coil module electrically connected to the PCB board, and the wobble plate is arranged on the coil The swing plate is connected to the swing arm. When the coil module drives the magnet to rotate, the swing plate drives the swing arm to move, so that The swing arm is facing or away from the sounding member. The button with adjustable pressing sound according to claim 3, wherein the coil module comprises an I-shaped frame and a coil sleeved on the I-shaped frame, the coil has coil pins and penetrates through the coil The pins are electrically connected with the PCB board; the I-shaped frame is also provided with a positioning iron post which is mutually attracted with the magnet. The button with adjustable pressing sound according to claim 3, wherein the switch shaft is provided with a mute pad, the mute pad is embedded in the switch shaft, and the mute pad is provided with a mute pad for the switch shaft to pass through The through hole of the mute pad is also provided with an escape hole for the swing arm to pass through. The button with adjustable pressing sound according to claim 5, wherein a grating element is arranged at the bottom of the mute pad or the switch shaft, and the electrical component is a light-to-tube assembly attached to the PCB board; LED lights are also attached on the PCB board, and light guide columns are arranged on the casing. The button with adjustable pressing sound according to claim 5, wherein a magnetic member is provided at the bottom of the mute pad or the switch shaft, and the electrical element is a Hall element attached to the PCB board; the LED lights are also attached on the PCB board, and light guide columns are arranged on the casing. A button with adjustable pressing force, comprising a casing, a movable switch shaft, a reset elastic member, and a feel mechanism arranged in the casing, and a PCB board and a switch shaft arranged on the PCB board and passing through the switch shaft. An electrical component that generates a switch signal by the action of the switch, wherein the feel mechanism is composed of a feel piece set on the switch shaft and a swing arm matched with the feel piece. When the switch shaft goes down, the feel piece is on the swing arm. The pressing resistance is increased under the top-stop action of the electric control switch; the swing arm is configured on a switch, the switch is electrically connected with the PCB board, and the swing arm can be directly facing or away from the When the swing arm is facing the handle, pressing the switch shaft will increase the pressing force, and when the swing arm is far away from the handle, pressing the switch shaft will not increase the pressing force. The button with adjustable pressing force according to claim 8, wherein the feel member is a feel torsion spring arranged on the side wall of the switch shaft, the inner wall of the casing is further provided with a step portion, and the middle section of the feel torsion spring is It abuts against the step part in the unstressed state; when the swing arm is facing the lever arm of the feel torsion spring, pressing the switch shaft downward will receive the force from the swing arm to the feel torsion spring. The resistance in turn increases the force required to press. The button with adjustable pressing force according to claim 9, wherein the switch comprises a wobble plate with magnets and a coil module electrically connected to the PCB board, the wobble plate is arranged on the coil The swing plate is connected to the swing arm. When the coil module drives the magnet to rotate, the swing plate drives the swing arm to move, so that The swing arm is facing or away from the feel member. The button with adjustable pressing force according to claim 10, wherein the coil module comprises an I-shaped frame and a coil sleeved on the I-shaped frame, the coil has coil pins and is guided through the coil The feet are electrically connected with the PCB board; the I-shaped frame is also provided with a positioning iron post which is mutually attracted with the magnet. The button with adjustable pressing force according to claim 10, wherein the switch shaft is provided with a mute pad, the mute pad is embedded in the switch shaft, and the mute pad is provided with a mute pad for the switch shaft to pass through The through hole of the mute pad is also provided with an escape hole for the swing arm to pass through. The button with adjustable pressing force according to claim 12, wherein a grating member is arranged at the bottom of the mute pad or the switch shaft, and the electrical component is a light-to-tube assembly attached to the PCB board; LED lights are also attached on the PCB board, and light guide columns are arranged on the casing. The button with adjustable pressing force according to claim 12, wherein a magnetic member is provided at the bottom of the mute pad or the switch shaft, and the electrical element is a Hall element attached to the PCB board; the LED lights are also attached on the PCB board, and light guide columns are arranged on the casing.

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