TWI668599B - Changeable key structure - Google Patents

Abstract

A detachable button structure, comprising: a button bracket, the button bracket is disposed above a circuit board, the button bracket provides a mounting slot, and the first slot module and the second button are selectively disposed in the mounting slot a module; wherein the circuit substrate is disposed with a magnetic sensor corresponding to a position of the mounting groove of the button holder, and a contact connector; wherein the first button module has an axis, the bottom of the shaft is connected with a magnetic component, and the magnetic sensor can When the magnetic component is close to output an analog signal; the second button module has a trigger switch, the trigger switch has two contact terminals disposed on the bottom surface of the second button module, and when the second button module is installed in the mounting slot, the trigger switch The contact terminals are electrically connectable to the contact connector.

Description

Removable button structure

The invention relates to a detachable button structure, in particular to a detachable button structure used in a computer keyboard or a game keyboard.

Electronic devices such as computers, game consoles, and multimedia players often use a keyboard as an input device. Usually, the keyboard has a plurality of button modules for inputting text or providing function keys as input operation commands.

The keyboard module of the existing keyboard is roughly divided into a mechanical keyboard or a membrane keyboard. The button module of the mechanical keyboard or the membrane keyboard usually has a trigger switch, and when the key cap of the button module is pressed, the trigger is triggered. The switch is turned on, and when the key cap of the button module is not pressed, the trigger switch can be turned off.

Since the button module of the existing keyboard can only output the signal through the trigger switch in the form of an analog signal, the existing keyboard is only suitable for inputting characters or for generating a digital control signal. When the user uses the keyboard to play the game, only the button module of the keyboard can be used for direction control, input command, or action triggering such as trigger trigger. Alternatively, when the user operates the software using the keyboard, only the keyboard can be used to input characters, numbers, or moving cursors, and the control commands can be input through the function keys.

However, in many games, analog signals must be used for control (for example, the control of the ball striking force in the game, the control of the aircraft or the throttle valve, and the control action such as the jump height), so the above actions cannot be controlled through the keyboard. It is necessary to control the above actions by using a joystick or a dedicated game controller.

In addition, there are often many commands or functions in the computer using image editing or art software. Fine adjustments must be made. For example, image exposure value, transparency, hue, saturation adjustment and control require fine scale adjustment. However, the existing keyboard only The digital control signal can be provided simply, so it must be supplemented by other input devices (for example: mouse or control joystick) to control the above types of commands or functions.

Due to the above reasons, the key module of the existing keyboard can only be used to output digital signals, and the control function for playing games or software is limited. How to overcome the above-mentioned defects by the improvement of the structure and manufacturing method design has been Became one of the important topics that the business is trying to solve.

The main purpose of the present invention is to solve the problem that the key module of the existing keyboard can only output digital signals, and cannot provide the game and software analog signal control functions.

The embodiment of the invention provides a detachable button structure, which comprises: a button bracket, the button bracket has a mounting slot, and the first slot module or the second button module can be selectively disposed in the mounting slot a circuit board, the circuit board is disposed under the button holder, the circuit board is disposed with a magnetic sensor corresponding to the position of the mounting slot, and a contact connector; wherein the first button The module and the second button module respectively comprise an axis and a spring, and the axis can be displaced downward from an upper end position to a lower end position when pushed by an external force, and when the external force disappears Returning to the upper end position by the spring ejector; wherein the first button module further comprises a magnetic element, the magnetic element is connected to the bottom of the shaft, the position of the magnetic sensor and Corresponding to the magnetic component, when the magnetic component is displaced along the axis of the first button module and close to the magnetic sensor, the magnetic sensor is magnetically affected by the magnetic component Inductively outputting an analog signal, and the intensity of the analog signal changes with the distance between the magnetic component and the magnetic sensing component; wherein the second button module further includes a trigger switch, when the second The axis of the button module is subjected to an external force downward When the triggering position is pushed to the triggering position, the triggering switch can be triggered to generate a digital signal, the triggering switch is disposed at the bottom of the second button module, and a contact terminal is disposed, the position of the contact terminal and the contact connection The positions of the devices correspond to each other. When the second button module is disposed in the mounting slot, the contact terminal can be connected to the contact connector for transmitting the digital signal to the circuit substrate. .

In a preferred embodiment of the present invention, the first button module and the second button module respectively include a button housing, and a plurality of engaging members are respectively disposed on sides of the button housing for The first button module or the second button module is engaged and positioned in the mounting slot.

In a preferred embodiment of the present invention, the magnetic component of the first button module is a columnar magnet, and a central axis of the magnetic component and a direction of reciprocal displacement of the axis of the first button module Parallel to each other, and the magnetic element is disposed at a bottom end of the shaft center.

In a preferred embodiment of the present invention, the magnetic sensor is a Hall sensor, and the position of the magnetic sensor disposed on the circuit substrate and the position of the magnetic component correspond to each other.

In a preferred embodiment of the present invention, the trigger switch is disposed at a position of the second button module at one side of the axis, and the trigger switch includes a first conductive piece and a second conductive piece. The first conductive sheet has a spring portion, and the elastic portion is in contact with the second conductive sheet to make the trigger switch into an on state; the axis of the second button module a trigger portion is disposed on a side of the trigger switch, and when the axis is located at the upper end position, the trigger portion is capable of contacting the spring portion and forcing the spring portion and the second conductive portion Separating the sheet, causing the trigger switch to be in an open state, and when the axis is displaced to a trigger position, the trigger portion can be disengaged from the shrapnel portion and contact the second conductive sheet, so that the trigger switch Become a path state.

A preferred embodiment of the present invention, wherein the first conductive sheet and the second conductive The bottom end of the sheet extends to the bottom end of the button housing, and the bottom ends of the first conductive sheet and the second conductive sheet are respectively provided with a contact terminal; the contact connector is disposed on the circuit substrate The upper position and the position of the trigger switch correspond to each other, the contact connector has two circuit contacts, and the positions of the two circuit contacts correspond to the first conductive piece and the second conductive piece respectively Contacting the position of the terminal, and when the second button module is disposed in the mounting slot, the two contact terminals can be in contact with the two circuit contacts, so that the trigger switch and the contact connection The device forms an electrical connection.

A preferred embodiment of the present invention further provides a detachable button structure, comprising: a button bracket, the button bracket has a mounting slot, and a third button module is selectively disposed in the mounting slot; a circuit board, the circuit board is disposed under the button holder, the circuit board is disposed with a magnetic sensor corresponding to the position of the mounting slot, and a contact connector; wherein the third button module includes a a shaft and a spring, the shaft being capable of being displaced downward from an upper end position to a lower end position when pushed by an external force, and being reverted to the upper end position by the spring when the external force disappears The third button module includes a button housing, and a plurality of engaging members are respectively disposed on the sides of the button housing, and the third button module is engaged and positioned in the mounting slot. Wherein the third button module further includes a magnetic element connected to the bottom of the shaft, the position of the magnetic sensor corresponding to the magnetic element, when the magnetic When the component is displaced along the axis of the first button module and close to the magnetic sensor, the magnetic sensor is induced by the magnetic field of the magnetic component to output an analog signal, and the intensity of the analog signal Changing with the distance between the magnetic element and the magnetic sensing element; wherein the third button module includes a trigger switch, when the axis of the second button module is pushed down by an external force to a When the position is triggered, the trigger switch can be triggered to generate a digital signal, the trigger switch is disposed at the bottom of the second button module, and a contact terminal is disposed, the position of the contact terminal and the position of the contact connector Corresponding to each other, when the second button module The contact terminal is connectable to the contact connector for transmitting the digital signal to the circuit substrate when disposed in the mounting slot.

For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.

10‧‧‧ Keyboard Stand

11‧‧‧floor

12‧‧‧Key bracket

121‧‧‧Installation slot

13‧‧‧ circuit substrate

20‧‧‧Key Module

20a‧‧‧First button module

20b‧‧‧Second button module

20c‧‧‧ third button module

21‧‧‧Key housing

211‧‧‧ engaging members

22‧‧‧Axis

221‧‧‧Trigger

23‧‧‧ Spring

24‧‧‧Key Cap

25‧‧‧Magnetic components

26‧‧‧Trigger switch

261‧‧‧First conductive sheet

262‧‧‧Second conductive sheet

263‧‧‧Contact terminal

264‧‧‧Shrap Department

30‧‧‧Magnetic sensor

31‧‧‧ analog signal pin

40‧‧‧Contact connector

41‧‧‧Circuit contacts

42‧‧‧Electrical pins

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded cross-sectional view showing a specific embodiment of a detachable button structure of the present invention.

2 is a combined cross-sectional view showing the first button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the upper end position.

3 is a combined cross-sectional view showing the first button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the lower end position.

4 is a combined cross-sectional view showing the second button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the upper end position.

FIG. 5 is a combined cross-sectional view showing the second button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the lower end position.

6 is a combined cross-sectional view showing the third button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the upper end position.

7 is a combined cross-sectional view showing the third button module of the detachable button structure of the present invention disposed in the mounting slot and having the axis centered at the lower end position.

As shown in FIG. 1, it is a configuration of a keyboard using the detachable key structure of the present invention. The keyboard includes a keyboard base 10, and the keyboard base 10 is provided with a button holder 12 and a circuit substrate 13. The button bracket 12 is provided with a plurality of mounting slots 121 for mounting a plurality of button modules 20 on the button bracket 12.

The first button module 20a and the second button module 20b are included in the plurality of button modules 20, wherein the first button module 20a is a button module for outputting analog signals, and the second The button module 20b is used to output a digital signal. The first button module 20a and the second button module 20b are respectively selectively disposed on the button button The first button module 20a or the second button module 20b is disposed in the mounting slot 121 for outputting an analog signal or a digital signal, respectively.

As shown in FIG. 1 , the magnetic sensor 30 and a contact connector 40 are disposed on the circuit board 13 at a position corresponding to the mounting groove 121 of the button holder 12 , wherein the magnetic sensor 30 is a Hall sensor and magnetically sensed. The device 30 is configured to cooperate with the first button module 20a to output an analog signal. The magnetic sensor 30 has a plurality of analog signal pins 31 and is soldered to the circuit substrate 13 via an analog signal pin 31 and electrically connected to the circuit substrate 13. The contact connector 40 is disposed on one side of the magnetic sensor 30, the contact connector 40 has a plurality of circuit contacts 41, and the circuit contacts 41 are soldered to the circuit substrate 13 through the plurality of conductive pins 42 and The circuit board 13 is electrically connected. The contact connector 40 cooperates with the second button module 20b to transmit the digital signal generated by the second button module 20b to the circuit substrate 13.

As shown in FIG. 2 and FIG. 3, the first button module 20a of the present invention has a button housing 21, and the bottom shape and size of the button housing 21 cooperate with the mounting slot 121 of the button bracket 12, and can be inserted. The mounting groove 121 is provided with a plurality of engaging members 211 on the side surface of the button housing 21 . When the first button module 20 a is inserted into the mounting slot 121 , the engaging member 211 can be engaged with the mounting slot 121 . The edge is configured to detachably mount the first button module 20a in the mounting slot 121 of the button bracket 12 .

The first button module 20a further has a shaft center 22 disposed in the button housing 21 so as to be vertically reciprocally displaced along the central axis, and the upper end of the shaft core 22 protrudes from the top surface of the button housing 21, and A keycap 24 may also be disposed at the upper end of the shaft 22 for the user's finger to press. The shaft 22 is provided with a spring 23 with respect to one end of the keycap 24. When the shaft 22 is pressed by the user's finger, the shaft can be displaced toward the spring 23, so that the spring 23 is compressed by the bottom end of the shaft 22, and when After the user's finger pressure disappears, the spring force of the spring 23 can push the shaft 22 toward the keycap 24, thereby enabling the shaft 22 and the keycap 24 to be positioned at an upper end position. And the reciprocating displacement between the end positions.

The first button module 20a is provided with a magnetic element 25 at one end of the axis 22 relative to the keycap 24. In this embodiment, the magnetic element 25 is a columnar magnet, and the central axis of the magnetic element 25 and the first button mode The directions in which the axes 22 of the group 20a are reciprocally displaced are parallel to each other and are disposed at the bottom end of the shaft core 22. When the shaft 22 is reciprocally displaced, the magnetic member 25 can also move in common with the shaft center 22.

As shown in FIG. 2 and FIG. 3, the position of the magnetic sensor 30 on the circuit substrate 13 and the position of the magnetic element 25 of the first button module 20a correspond to each other, and when the magnetic element 25 reciprocates along with the axis 22 When displaced, the distance between the magnetic element 25 and the magnetic sensor 30 also changes. In this embodiment, the magnetic sensor 30 is a Hall Effect Sensor. When the magnetic element 25 is close to the magnetic sensor 30, the magnetic sensor 30 can sense the magnetic field generated by the magnetic element 25, thereby outputting a analog signal. When the distance between the magnetic element 25 and the magnetic sensor 30 is changed, the voltage of the analog signal outputted by the magnetic sensor 30 also changes, so that the first button module 20a and the magnetic sensor 30 cooperate to generate a similar game. The function of the joystick of the joystick (gamepad) allows the user to control the intensity of the analog signal output by the magnetic sensor 30 by pressing the depth of the stroke of the keycap 24.

As shown in FIG. 4 and FIG. 5, the second button module 20b can also be selectively disposed in the mounting slot 121 of the button bracket 12. The second button module 20b also has a button housing 21 and an axis. The core 22 and the top end of the shaft 22 can be provided with a key cap. The shape and size of the button housing 21 of the second button module 20b are similar to those of the button housing 21 of the first button module 20a, and the engaging member 211 is also disposed on the side surface of the button housing 21, thus making The two button module 20b can also be detachably disposed in the mounting groove 121 of the button holder 12.

The second button module 20b further includes a trigger switch 26, and the trigger switch 26 includes a first conductive piece 261 and a second conductive piece 262. The first conductive piece 261 and the second conductive piece 262 and the axis 22 are displaced parallel to each other. Positioned in the button housing 21 at a side of the axis 22, wherein the first conductive sheet 261 and the second conductive sheet 262 are mutually Parallel, and the bottom ends of the first conductive sheet 261 and the second conductive sheet 262 extend below the bottom surface of the button housing 21, and a contact terminal 263 is respectively disposed at the bottom ends of the first conductive sheet 261 and the second conductive sheet 262. The position of the circuit contact 41 of the contact connector 40 and the position of the contact terminal 263 of the bottom end of the first conductive piece 261 and the second conductive piece 262 correspond to each other, so when the second button module 20b is inserted into the button holder 12 When the groove 121 is installed, the contact terminals 263 of the bottom ends of the first conductive piece 261 and the second conductive piece 262 can contact the circuit contacts 41 of the contact connector 40, so that the first conductive piece 261 and the second conductive piece 262 and The contact connector 40 makes an electrical connection.

The first conductive piece 261 is provided with an elastic piece portion 264 at one end of the contact terminal 263, and a trigger portion 221 is disposed on a side of the axial center 22 adjacent to the first conductive piece 261. The elastic piece portion 264 on the first conductive sheet 261 is elastically bendable. When the elastic piece portion 264 of the first conductive piece 261 and the trigger portion 221 of the shaft core 22 are not in contact, the elastic piece portion 264 and the second conductive piece 262 can be 262. Contacting, the first conductive sheet 261 and the second conductive sheet 262 are electrically connected to make the trigger switch 26 into an on state (as shown in FIG. 5). As shown in FIG. 4, when the axis 22 of the second button module 20b is moved to the upper end position, the trigger portion 221 on the side of the shaft core 22 can be in contact with the elastic piece portion 264, and the spring piece portion 264 is pushed up so that the spring piece portion 264 The direction toward the second conductive sheet 262 is bent away, so that the elastic piece portion 264 and the second conductive piece 262 are not in contact with each other, and the trigger switch 26 is brought into an open state. As shown in FIG. 5, when the axis 22 of the second button module 20b is pressed down by the user, when the axis 22 is displaced to a trigger position, the trigger portion 221 on the side of the spindle 22 can be separated from the elastic portion 264. The spring portion 264 and the second conductive sheet 262 are brought into contact, thereby causing the trigger switch 26 to be in an on state to generate a digital signal.

Specifically, the trigger position of the axis 22 is not indicated in FIG. 5, and the trigger position of the axis 22 refers to the process of moving the axis 22 from the upper end position to the lower end position. The trigger portion 221 of the shaft 22 is just separated from the elastic portion 264, so that the elastic portion 264 can contact the position of the second conductive sheet 262, so the trigger position when the shaft 22 is displaced is between Upper endpoint Between the position and the lower end position.

As shown in FIG. 1 , in the present invention, the magnetic sensor 30 and the contact connector 40 are simultaneously disposed on the circuit board 13 corresponding to the position of the mounting groove 121, and the first button module 20a and the second button module 20b can respectively The first button module 20a or the second button module 20b is selectively disposed in the mounting slot 121 of the button bracket 12 for outputting analog signals respectively. Or digital signal.

Therefore, the present invention can provide at least one of the mounting slots 121 on the button holder 12 of a keyboard, and the magnetic sensor 30 and the contact connection are disposed on the circuit board 13 corresponding to at least one of the mounting slots 121. The device 40 is configured to allow the user to selectively set at least one of the mounting slots 121 to output the first button module 20a for analog signals, or to output digital digits according to the needs of the game or software control. The second button module 20b of the signal.

When the game player uses the keyboard of the present invention for game or software operation, if there is a need for analog signal control in the game or software operation, the first button module 20a can be disposed in at least one of the installation slots 121. The control button as an analog signal, for example: 1. The control of the serve and the strength of the shot in the hitting game. 2. The control of the throttle and brakes in the racing game, as well as the steering steering control. 3. Throttle control and flap control in flight games. And in the 4.MMORPG game, the size control of the attack output, etc., can be used as the control signal by the analog signal output by the first button module 20a of the present invention. 5. For example, in the art editing software or the movie editing software, the analog signal outputted by the first button module 20a can be used as a control signal for brush depth, color adjustment, contrast adjustment, and time axis control. The user can operate the software more accurately.

On the other hand, when the game or software operated by the user does not need to use the analog control signal, the second button module 20b can be disposed in at least one of the mounting slots 121, so that at least one of the buttons disposed in the mounting slot 121 is provided. Can be used to output digital signals.

The button module 20 of the present invention has the first button module 20a and the second button. In addition to the module 20b, a third button module 20c can be further provided. As shown in FIG. 1, FIG. 6, and FIG. 7, the third button module 20c of the present invention is a button module capable of simultaneously outputting analog signals and digital signals. . The third button module 20c also has a button housing 21, a shaft 22, and a spring 23, and a top end of the shaft 22 can be provided with a key cap. The outer shape and size of the button housing 21 of the third button module 20c are matched with the mounting groove 121, and the engaging member 211 is also disposed on the side surface of the button housing 21, thereby making the third button module 20c The detachment manner is provided in the mounting groove 121 of the key holder 12.

The third button module 20c is provided with a magnetic element 25 at the bottom end of the shaft core 22, and a trigger switch 26 is disposed on one side of the shaft core 22. The structure and operation mode of the button housing 21, the shaft 22, the spring 23, the magnetic element 25, and the trigger switch 26 of the third button module 20c are the same as those of the first button module 20a and the second button module 20b. The structure and operation are the same, so the description will not be repeated.

Since the third button module 20c has both the magnetic component 25 and the trigger switch 26, the third button module 20c can simultaneously output the analog signal and the digital signal, thereby making the third button module 20c suitable for both digits and analogies. Use for control signals. Of course, the third button module 20c can also switch the third button module 20c to simultaneously output the analog signal and the digital signal through the software control mode, or output the analog signal separately or separately output the digital signal to match different types. Software control requirements.

[Possible effects of the examples]

The beneficial effects of the removable button structure of the present invention are mainly as follows:

The detachable button structure of the present invention can provide at least one of the mounting slots 121 for the first button module 20a for outputting analog signals, and the analog signal strength output by the first button module 20a can be used. The user presses the depth of the keycap 24 to change. Therefore, when the user uses the keyboard to play the game or operate the software, the first button module 20a can also generate a control signal similar to the pressure control button of the existing game joystick, thereby breaking the existing control signal. Simple output digital signal key Disk restrictions.

2. The detachable button structure of the present invention is provided with a magnetic sensor 30 and a contact connector 40 at a position corresponding to at least one of the mounting slots 121, and the first button module 20a and the second button module 20b are The detachable manner is disposed in the mounting slot 121, so that the user can selectively set the first button module 20a or the second button module 20b in at least one mounting slot without using a special tool, and even further can set the device. The third button module 20c is described, thus making the invention have excellent use flexibility.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, equivalent technical changes made by using the present specification and the contents of the drawings are included in the protection scope of the present invention. .

Claims (8)

A detachable button structure, comprising: a button bracket, the button bracket has a mounting slot, and the first slot module or the second button module can be selectively disposed in the mounting slot; The circuit board is disposed under the button holder, the circuit board is disposed with a magnetic sensor corresponding to the position of the mounting slot, and a contact connector; wherein the first button module and the The second button modules respectively include an axis and a spring, and the axis can be displaced downward from an upper end position to a lower end position when pushed by an external force, and pushed by the spring when the external force disappears. Returning to the upper end position; wherein the first button module further comprises a magnetic element, the magnetic element is connected to the bottom of the shaft, the position of the magnetic sensor and the magnetic element Correspondingly, when the magnetic component is displaced along the axis of the first button module and close to the magnetic sensor, the magnetic sensor is induced by the magnetic component of the magnetic component to output a class a signal, and the intensity of the analog signal changes with the distance between the magnetic component and the magnetic sensing component; wherein the second button module further includes a trigger switch, when the second button module is When the axis is pushed down to a trigger position by an external force, the trigger switch can be triggered to generate a digital signal, and the trigger switch is provided with at least one contact terminal at the bottom of the second button module, at least one The position of the contact terminal and the position of the contact connector correspond to each other. When the second button module is disposed in the mounting slot, the contact terminal can be connected to the contact connector for Transmitting the digital signal to the circuit substrate; wherein the trigger switch is disposed at a position of the second button module at one side of the axis, the trigger switch includes a first conductive sheet, and One second a conductive sheet, a bottom end of the first conductive sheet and the second conductive sheet respectively extending to a bottom end of the second button module, and a bottom end of the first conductive sheet and the second conductive sheet Forming the contact terminals respectively; the position of the contact connector disposed on the circuit substrate and the position of the trigger switch correspond to each other, the contact connector has two circuit contacts, and the positions of the two circuit contacts Corresponding to the positions of the contact terminals of the first conductive sheet and the second conductive sheet respectively, and when the second button module is disposed in the mounting slot, the two contact terminals can be combined with two The circuit contacts are in contact with each other such that the trigger switch and the contact connector form an electrical connection. The detachable button structure of claim 1, wherein the first button module and the second button module respectively comprise a button housing, and the side surfaces of the button housing are respectively provided with a plurality of snaps And a component for engaging the first button module or the second button module in the mounting slot. The removable button structure of claim 2, wherein the magnetic element of the first button module is a columnar magnet, a central axis of the magnetic element, and the first button module The directions of the reciprocating displacements of the axes are parallel to each other, and the magnetic element is disposed at the bottom end of the shaft center. The removable button structure of claim 3, wherein the magnetic sensor is a Hall sensor, and a position of the magnetic sensor disposed on the circuit substrate and a position of the magnetic component are mutually correspond. The removable button structure of claim 2, wherein the first conductive sheet has a spring portion, and the elastic portion is in contact with the second conductive sheet for causing the trigger switch to be in an on state; a triggering portion is disposed on a side of the second button module adjacent to the trigger switch, and the trigger portion is in contact with the elastic portion when the axis is located at the upper end position. And forcing the shrapnel portion and the second conductive sheet to be separated, so that the trigger switch is in an open state, and when the axis is displaced to a trigger position, the trigger portion can be disengaged from the shrapnel portion and contacted Said second conductive sheet, and said trigger switch Become a path state. The detachable button structure includes: a button bracket, the button bracket has a mounting slot, a third button module is selectively disposed in the mounting slot; and a circuit board is disposed on the circuit board a magnetic sensor and a contact connector are disposed on the circuit substrate at a position corresponding to the mounting slot; wherein the third button module includes an axis and a spring, When the shaft is pushed by an external force, it can be displaced downward from an upper end position to a lower end position, and when the external force disappears, the spring is pushed back to the upper end position; wherein the third button The module includes a button housing, and a plurality of engaging members are respectively disposed on the side surfaces of the button housing, and the third button module is engaged and positioned in the mounting slot; wherein the third button The module further includes a magnetic element coupled to the bottom of the shaft, the position of the magnetic sensor corresponding to the magnetic element, when the magnetic element follows the first button mode When the axis is displaced and close to the magnetic sensor, the magnetic sensor is induced by the magnetic field of the magnetic element to output an analog signal, and the intensity of the analog signal follows the magnetic element and the magnetic induction Changing the distance of the component; wherein the third button module includes a trigger switch, and the trigger switch can be triggered when the axis of the third button module is pushed down to a trigger position by an external force. And generating a digit signal, the trigger switch is disposed at the bottom of the second button module, and at least one contact terminal is disposed, and the position of the at least one of the contact terminals and the position of the contact connector correspond to each other. When the second button module is disposed in the mounting slot, the contact terminal can be connected to the contact connector for transmitting the digital signal to the circuit substrate; The trigger switch is disposed at a position of the third button module at one side of the axis, the trigger switch includes a first conductive sheet, and a second conductive sheet; wherein the first conductive a bottom end of the sheet and the second conductive sheet respectively extending to a bottom end of the button housing, and a bottom end of the first conductive sheet and the second conductive sheet respectively form the contact terminal; the contact The position of the connector on the circuit substrate and the position of the trigger switch correspond to each other, the contact connector has two circuit contacts, and the positions of the two circuit contacts respectively correspond to the first conductive sheet and the a position of the contact terminal of the second conductive sheet, and when the second button module is disposed in the mounting slot, the two contact terminals can contact the two circuit contacts, thereby making The trigger switch and the contact connector form an electrical connection. The removable button structure according to claim 6, wherein the magnetic element is a columnar magnet, and a central axis of the magnetic element and a direction of reciprocal displacement of the axis of the first button module are parallel to each other And the magnetic element is disposed at a bottom end of the shaft; wherein the magnetic sensor is a Hall sensor, and the position of the magnetic sensor disposed on the circuit substrate and the magnetic The positions of the components correspond to each other. The removable button structure of claim 6, wherein the first conductive sheet has a spring portion, and the elastic portion is in contact with the second conductive sheet for causing the trigger switch to be in an on state; a trigger portion is disposed on a side of the third button module adjacent to the trigger switch, and the trigger portion is in contact with the elastic portion when the axis is located at the upper end position. And forcing the shrapnel portion and the second conductive sheet to be separated, so that the trigger switch is in an open state, and when the axis is displaced to a trigger position, the trigger portion can be disengaged from the shrapnel portion and contacted The second conductive sheet is described to make the trigger switch into a path state.