Key structure, input device and gamepad

By adopting the first connecting member and the second connecting member connected by a rotating shaft in the direction key structure, the trigger signal generating device solves the signal interference problem caused by the direction key design and realizes accurate signal transmission.

CN223413988UActive Publication Date: 2025-10-03LITESTAR ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202422881825.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-03
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

In the prior art, the integrated design of the direction key causes the user to deviate from the position of pressing the direction key or press the key between two adjacent direction keys, resulting in poor contact and signal interference, leading to operational errors.

Method used

The first connecting member and the second connecting member are rotatably connected through a rotating shaft, and a plurality of signal generating devices are provided. When the first connecting member rotates around the rotating shaft, the signal generating device is triggered to generate an electrical signal, thereby ensuring accurate signal transmission.

Benefits of technology

It avoids operational errors, ensures the accuracy of signal transmission, and prevents signal interference caused by position deviation or improper pressing position.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the gamepad technical field, and provides a button structure, input device and gamepad, the button structure includes: first connecting piece, second connecting piece and a plurality of signal generating device, second connecting piece and first connecting piece are rotatingly connected through the first rotating shaft, and the signal generating device is connected with the second connecting piece through the second rotating shaft. The second connecting piece is further rotationally connected with the product body through a second rotating shaft. According to the utility model, the first rotating shaft on the first connecting piece is rotatably connected with the second connecting piece, the second connecting piece is rotatably connected with the product body through the second rotating shaft, and the signal generating devices are arranged to correspond to the signal triggering ends on the first connecting piece in position; the signal generating devices are triggered to generate electric signals when the first connecting piece rotates around the first rotating shaft and / or the second rotating shaft, so that the electric signals generated by at most one signal generating device are transmitted to the product body, the signal transmission is accurate, and misoperation is avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical field of key design, and in particular relates to a key structure, an input device and a game handle. Background Art

[0002] Arrow keys are widely used in many fields, and with the development of technology, they are often used in game control, computer keyboards, remote controls, industrial control equipment, interactive devices, portable electronic devices, etc. Arrow keys play an important role in various devices and industries due to their intuitive operation and wide applicability.

[0003] The directional keys communicate with the device via wired or wireless means, converting the user's operations into digital signals, and transmitting them to the host via USB or wireless channels. These signals are received and processed by the control chip, and then converted into signals that the host can recognize. The transmission of these signals enables users to perform accurate and smooth operations during use. Among them, the design of the game controller's directional keys is intended to provide intuitive and convenient directional control. Its structure and material selection will affect the feel, durability and reliability.

[0004] In the prior art, most directional keys are set to an integrated cross-shaped design, and when the user presses the directional key, the corresponding contact installed on the circuit board is triggered, generating an electrical signal and transmitting it to the host. However, when the user uses a device with directional keys, due to the integrated design of the directional key, when the directional key is pressed at the same time, the position of the directional key deviates or the pressed position is between two adjacent directional keys, two signals are output, resulting in poor contact and signal interference, making it impossible for the user to accurately perform the required operations during use, resulting in operational errors. Utility Model Content

[0005] The purpose of the embodiments of the present utility model is to provide a key structure, which aims to solve the problem that when a user uses a device with a directional key, due to the directional key's integrated design, when the directional key is pressed simultaneously, the position of the directional key deviates or the pressed position is located between two adjacent directional keys, two signals are output, resulting in poor contact and signal interference, making it impossible for the user to accurately perform the required operations during use, resulting in operational errors.

[0006] The embodiment of the present utility model is implemented as follows: a key structure, the key structure comprising:

[0007] a first connecting member, one end of which is used for signal triggering;

[0008] a second connecting member, the second connecting member being rotatably connected to the first connecting member via a first rotating shaft, the second connecting member being further rotatably connected to the product body via a second rotating shaft, the first rotating shaft and the second rotating shaft being arranged perpendicularly; and

[0009] A plurality of signal generating devices are arranged on the product body at positions corresponding to the signal triggering ends of the first connecting member so that when the first connecting member rotates around the first rotating shaft and / or the second rotating shaft, the signal generating devices are triggered to generate electrical signals.

[0010] Preferably, the key structure also includes a key part and a keycap, the keycap is installed on the key part, the bottom surface of the keycap is provided with a first mounting groove for installing the key part, the wall surface of the first mounting groove is provided with a plurality of positioning protrusions, the positioning protrusions are used to position the key part, and the top surface of the keycap is provided with a plurality of protrusions, the protrusions are distributed circumferentially around the center of the keycap and correspond to the position of the signal generating device, so that the user presses the protrusion so that the first connecting member interferes with the corresponding signal generating device to generate an electrical signal.

[0011] Preferably, the button portion is a cross-shaped structure, the button portion is embedded in the first mounting groove on the bottom surface of the keycap, a second mounting groove is provided at the center of the button portion, and the second mounting groove is connected to the first connecting member or the second connecting member through a mounting member.

[0012] Preferably, the button portion is further provided with a plurality of first positioning holes, and the first positioning holes cooperate with the positioning protrusions on the keycap to connect the keycap to the button portion.

[0013] Preferably, the first connecting member includes an integrally arranged first mounting portion and a signal trigger end, the first mounting portion is in the shape of a rectangular rod, the first rotating shaft is provided with a first half-shaft and a second half-shaft, the first half-shaft and the second half-shaft are respectively located on two opposite side surfaces of the first mounting portion, the first half-shaft and the second half-shaft are coaxial and are respectively rotatably connected to the second connecting member, a second positioning hole is provided on the top surface of the first mounting portion, and the second positioning hole is used to install the button portion.

[0014] Preferably, the second connecting member is sleeved on the first connecting member through the first mounting hole, and a first mounting protrusion is respectively provided on a group of opposite outer side surfaces of the second connecting member, and the first mounting protrusion is provided with a second mounting hole, and the second mounting hole is used to install the first half-shaft and the second half-shaft of the first rotating shaft, and the second rotating shaft is provided with a third half-shaft and a fourth half-shaft, and the third half-shaft and the fourth half-shaft are coaxial and are respectively located on the opposite side surfaces of the second connecting member.

[0015] Preferably, the first half shaft and the second half shaft of the first rotating shaft are respectively plugged into the second mounting hole of the second connecting member, and the axis of the first rotating shaft is coplanar with the axis of the second rotating shaft.

[0016] Preferably, the plurality of signal generating devices are distributed circumferentially with the center of the bottom surface of the first connecting member as the center of the circle.

[0017] Another object of the embodiment of the present utility model is an input device, wherein the input device is provided with a device body and the key structure;

[0018] The device body is provided with a group of second mounting protrusions, and the second mounting protrusions are mounted on the third half-shaft and the fourth half-shaft of the second rotating shaft through the third mounting holes.

[0019] Another object of the embodiment of the present utility model is a game controller, wherein the game controller is provided with a controller body and a cross-shaped button, and the cross-shaped button is provided with the button structure;

[0020] The handle body is provided with a group of third mounting protrusions, and the third mounting protrusions are mounted on the third half-shaft and the fourth half-shaft of the second rotating shaft through the fourth mounting holes.

[0021] An embodiment of the present invention provides a button structure, in which the first connecting member is rotatably connected to the second connecting member through a first rotating shaft on the first connecting member, and the second connecting member is rotatably connected to the product body through the second rotating shaft and a plurality of signal generating devices are provided corresponding to the positions of the signal triggering ends on the first connecting member, so that when the first connecting member rotates around the first rotating shaft and / or the second rotating shaft, the signal generating device is triggered to generate an electrical signal, so that the electrical signal generated by at most one signal generating device is transmitted to the product body, so that its signal transmission is accurate and operational errors are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram of a first connecting member and a second connecting member in a key structure provided by an embodiment of the present utility model;

[0023] Figure 2 A schematic structural diagram of a key structure provided by an embodiment of the present utility model;

[0024] Figure 3 A schematic diagram of the structure of the connection between a button structure and a product body provided in an embodiment of the utility model;

[0025] Figure 4 A schematic structural diagram of a key cap and a key portion in a key structure provided by an embodiment of the present utility model;

[0026] Figure 5 A schematic structural diagram of a first connecting member in a key structure provided by an embodiment of the present utility model;

[0027] Figure 6 A schematic structural diagram of a second connecting member in a key structure provided by an embodiment of the present utility model;

[0028] Figure 7 A schematic structural diagram of a game controller provided by an embodiment of the present utility model;

[0029] Figure 8 A structural schematic diagram of the installation position of a button structure in a game controller provided by an embodiment of the utility model.

[0030] In the accompanying drawings: 1. keycap; 11. first mounting slot; 2. button portion; 21. second mounting slot; 22. first positioning hole; 3. first connecting member; 31. first rotating shaft; 32. signal generating device; 4. second connecting member; 41. second rotating shaft; 42. second mounting hole; 5. product body; 6. shell assembly; 7. game controller; 71. third mounting protrusion. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0033] like Figure 1-6 FIG. 1 is a structural diagram of a key structure provided by an embodiment of the present invention, including:

[0034] A first connecting member 3, one end of which is used for signal triggering;

[0035] A second connecting member 4, wherein the second connecting member 4 is rotatably connected to the first connecting member 3 via a first rotating shaft 31, and the second connecting member 4 is further rotatably connected to the product body 5 via a second rotating shaft 41, wherein the first rotating shaft 31 and the second rotating shaft 41 are arranged perpendicularly; and

[0036] A plurality of signal generating devices 32 are arranged on the product body 5 at positions corresponding to the signal triggering ends of the first connecting member 3 so that when the first connecting member 3 rotates around the first rotating shaft 31 and / or the second rotating shaft 41, the signal generating devices 32 are triggered to generate electrical signals.

[0037] In an embodiment of the present utility model, preferably, the key structure is mainly composed of a first connecting member 3, a second connecting member 4 and a plurality of signal generating devices 32. The product body can be a game controller 7, a remote control, a control device or other devices that require a key structure. The vertical arrangement of the first rotating shaft 31 and the second rotating shaft 41 can be in two forms. The first is that the two axes intersect vertically and form four angles. The second is that the end point of one axis is perpendicular to the other axis to form three angles. The plurality of signal generating devices 32 in the key structure are arranged on the product body at a position corresponding to the signal triggering end of the first connecting member 3 so that when the first connecting member 3 rotates around the first rotating shaft 31 and the second rotating shaft 41, the signal generating device 32 is triggered to generate an electrical signal. At this time, during the simultaneous rotation of the first rotating shaft 31 and the second rotating shaft 41, a signal generating device 32 can be set at each of the four angles between the first rotating shaft 31 and the second rotating shaft 41, and the signal generating device at each angle 32 requires the first rotating shaft 31 and the second rotating shaft 41 to rotate simultaneously and in opposite directions, so that the signal triggering end of the first connecting member 3 can trigger the signal generating device 32 and output the corresponding electrical signal; preferably, several signal generating devices 32 in the key structure are arranged on the product body 5 at the position corresponding to the signal triggering end of the first connecting member 3 so that during the rotation of the first rotating shaft 31 or the second rotating shaft 41, there are three signal generating devices 32 set at the angle between the first rotating shaft 31 and the second rotating shaft 41, and the signal generating device 32 at each angle can be triggered by the first connecting member 3 when a single rotating shaft rotates, thereby generating an electrical signal; the signal generating device 32 at the angle is triggered when the first connecting member 3 rotates around the first rotating shaft 31 and / or the second rotating shaft 41, thereby generating electrical signals at different angles and transmitting the electrical signals to the product body 5, so that the product body 5 makes accurate instruction operations to prevent operational errors.

[0038] In one example of the present invention, the present invention is rotatably connected to the second connecting member 4 through the first rotating shaft 31 on the first connecting member 3, and the second connecting member 4 is rotatably connected to the product body through the second rotating shaft 41 and a plurality of signal generating devices 32 are provided corresponding to the signal triggering end position on the first connecting member 3, so that when the first connecting member 3 rotates around the first rotating shaft 31 and / or the second rotating shaft 41, the signal generating device 32 is triggered to generate an electrical signal, so that the electrical signal generated by at most one signal generating device 32 is transmitted to the product body, so that its signal transmission is accurate and operational errors are avoided.

[0039] like Figure 1-6As shown, as a preferred embodiment of the present invention, the key structure also includes a key part 2 and a keycap 1, the keycap 1 is installed on the key part 2, the bottom surface of the keycap 1 is provided with a first mounting groove 11 for mounting the key part 2, the wall surface of the first mounting groove 11 is provided with a plurality of positioning protrusions, the positioning protrusions are used to position the key part 2, and the top surface of the keycap 1 is provided with a plurality of protrusions, the protrusions are distributed circumferentially with the center of the keycap 1 and correspond to the position of the signal generating device 32, so that the user presses the protrusion so that the first connecting member 3 conflicts with the corresponding signal generating device 32 to generate an electrical signal.

[0040] In an embodiment of the present utility model, preferably, the key body is mainly composed of a key part 2 and a keycap 1, and the key part 2 is plugged into the bottom mounting groove of the keycap 1, and a positioning protrusion for positioning the key part 2 is provided on the mounting groove, so that the keycap 1 can be pressed to make the key part 2 drive the first connecting member 3 to rotate. The keycap 1 is a circular semi-closed shell, and protrusions corresponding to the number of signal generating devices 32 are provided on the top surface of the keycap 1. The user can press the corresponding protrusion to make the first connecting member 3 trigger the corresponding signal generating device 32 to generate an electrical signal.

[0041] like Figure 1-6 As shown, as a preferred embodiment of the present invention, the button part 2 is a cross-shaped structure, the button part 2 is embedded in the first mounting groove 11 on the bottom surface of the keycap 1, and a second mounting groove 21 is provided at the center of the button part 2. The second mounting groove 21 is connected to the first connecting member 3 or the second connecting member 4 through a mounting member.

[0042] In an embodiment of the present utility model, preferably, the button part 2 can be an integrated cross-shaped structure, the button part 2 is sleeved on the first mounting groove 11 of the keycap 1, and a second mounting groove 21 for mounting the first connecting member 3 is provided at the center of the button part 2, and is connected to the first connecting member 3 by means of a mounting member, so that when the user presses the button part 2, the first connecting member 3 rotates around the first rotating shaft 31 and the second rotating shaft 41 to trigger the signal generating device 32.

[0043] like Figure 1-6 As shown, as a preferred embodiment of the present invention, the button portion 2 is further provided with a plurality of first positioning holes 22 , which cooperate with the positioning protrusions on the keycap 1 to connect the keycap 1 to the button portion 2 .

[0044] In an embodiment of the present utility model, preferably, the cross-shaped button portion 2 is provided with a first positioning hole 22 connected to the keycap 1, so that when the user presses the corresponding direction button of the keycap 1, the button is pressed down and abuts against the first connecting member 3, and then the first connecting member 3 rotates around the first rotating shaft 31 and the second rotating shaft 41 to trigger the signal generating device 32 to generate an electrical signal to output the corresponding direction instruction, and the first rotating shaft 31 on the first connecting member 3 and the second rotating shaft 41 on the second connecting member 4 rotate in opposite directions so that the corresponding signal trigger end on the first connecting member 3 triggers the signal generating device 32 on the product body 5 to generate an electrical signal.

[0045] like Figure 1-6 As shown, as a preferred embodiment of the present invention, the first connecting member 3 includes an integrally arranged first mounting portion and a signal trigger end, the first mounting portion is in the shape of a rectangular rod, the first rotating shaft 31 is provided with a first half-shaft and a second half-shaft, the first half-shaft and the second half-shaft are respectively located on the opposite side surfaces of the first mounting portion, the first half-shaft and the second half-shaft are coaxial and are respectively rotatably connected to the second connecting member 4, a second positioning hole is provided on the top surface of the first mounting portion, and the second positioning hole is used to install the button portion 2.

[0046] In an embodiment of the present invention, preferably, the first connecting member 3 can be composed of an integrally arranged rectangular rod-shaped first mounting portion and a cross-shaped plate-shaped signal trigger end, the first mounting portion being perpendicular to the signal trigger end and being mounted at the center of the top surface of the signal trigger end, a first columnar semi-axis and a second columnar semi-axis being provided on opposite sides of the first mounting portion so as to facilitate the insertion of the first semi-axis and the second semi-axis into the second connecting member 4, a second positioning hole being provided at the center of the top of the first mounting portion, and the key portion 2 being mounted on the keycap 1 using the second positioning hole. Preferably, the cross-shaped plate-shaped signal trigger end has four directions on its bottom surface corresponding to the number and position of the signal generating devices 32, the top surface of the signal trigger end being connected to the first mounting portion, and the top surface of the first mounting portion being connected to the keycap 1, so that when the user presses the keycap 1, the first connecting member 3 is driven to rotate and the end of the signal trigger end is directed in the same direction as the key portion 2, so that the signal trigger end triggers the signal generating device 32, thereby generating and transmitting an electrical signal.

[0047] like Figure 1-6 As shown, as a preferred embodiment of the present invention, the second connecting member 4 is sleeved on the first connecting member 3 through the first mounting hole, and a group of opposite outer side surfaces of the second connecting member 4 are respectively provided with first mounting protrusions, and the first mounting protrusions are provided with second mounting holes 42, and the second mounting holes 42 are used to install the first half-shaft and the second half-shaft of the first rotating shaft 31, and the second rotating shaft 41 is provided with a third half-shaft and a fourth half-shaft, and the third half-shaft is coaxial with the fourth half-shaft and is respectively located on the opposite side surfaces of the second connecting member 4.

[0048] In an embodiment of the present utility model, preferably, the second connecting member 4 can be a rectangular U-shaped block with a rectangular hole on the top surface, the second mounting hole 42 is located on the hole wall surface of the first mounting hole, the second mounting hole 42 is a cylindrical hole to facilitate the installation of the first rotating shaft 31 on the first connecting member 3, the bottom surface of the second connecting member 4 can be a cross-sectional height along the long side gradually increasing from both ends to the middle part, and the two second rotating shafts 41 are respectively located on two opposite side surfaces along the long side direction, and are set as the third semi-axis and the fourth semi-axis. The interval position between a first rotating shaft 31 and a second rotating shaft 41 can be a key position in one direction on the key part 2, such as a key position in one direction is respectively set between the first semi-axis and its adjacent third semi-axis or fourth semi-axis. When the user presses the keycap 1, the position offset can be caused by the corresponding first rotating shaft 31 and the second rotating shaft 41 rotating in opposite directions so that the signal trigger end on the first connecting member 3 triggers the corresponding signal generating device 32 to generate an electrical signal and output the electrical signal to the product body 5, thereby outputting accurate operation instructions.

[0049] like Figure 1-6 As shown, as a preferred embodiment of the present invention, the first half shaft and the second half shaft of the first rotating shaft 31 are respectively inserted into the second mounting hole 42 of the second connecting member 4, and the axis of the first rotating shaft 31 is coplanar with the axis of the second rotating shaft 41.

[0050] In an embodiment of the present invention, preferably, the cylindrical first half-shaft and the second half-shaft can be respectively inserted into the two second mounting holes 42 on the second connecting member 4, and are located at the same height as the third half-shaft and the fourth half-shaft on the second connecting member 4, and their axes are located on the same plane.

[0051] like Figure 1-6 As shown in FIG. 1 , as a preferred embodiment of the present invention, a plurality of the signal generating devices 32 are circumferentially distributed with the center of the bottom surface of the first connecting member 3 as the center of the circle.

[0052] In an embodiment of the present invention, preferably, a plurality of signal generating devices 32 are installed on the product body 5 , and their installation positions may correspond to the raised positions on the keycap 1 , and are equidistantly distributed circumferentially around the center of the bottom surface of the first connecting member 3 .

[0053] like Figure 1-6 , which is a structural diagram of a key structure in an input device provided by an embodiment of the present utility model, wherein the input device is provided with a device body and the key structure;

[0054] The device body is provided with a set of second mounting protrusions, and the second mounting protrusions are mounted on the third half-shaft and the fourth half-shaft of the second rotating shaft 41 through the third mounting holes.

[0055] In an embodiment of the utility model, preferably, the device body can be a device for inputting key signals such as a handle, a controller in industrial equipment, a control keyboard, a remote control, etc., and the signal generating device 32 is triggered when the first connecting member 3 in the key structure rotates around the first rotating shaft 31 and / or the second rotating shaft 41 to generate an electrical signal and output a corresponding operation instruction, so as to prevent the accuracy of the signal instruction output from being affected by the offset of the position pressed by the user.

[0056] like Figure 7-8 , which is a structural diagram of a game controller 7 provided by an embodiment of the present invention, wherein the game controller 7 is provided with a controller body and a cross-shaped button, and the cross-shaped button is provided with the button structure described above;

[0057] The handle body is provided with a set of third mounting protrusions 71 , and the third mounting protrusions 71 are mounted on the third and fourth half shafts of the second rotating shaft 41 through the fourth mounting holes.

[0058] In an embodiment of the present utility model, preferably, the game handle 7 is mainly composed of a handle body and a cross-shaped button with a button structure, and the third semi-axis and the fourth semi-axis of the second connecting member 4 on the button structure are installed in the third mounting hole of the second mounting protrusion on the handle body, and the aperture of the third mounting hole can be larger than the outer diameter of the third semi-axis and the fourth semi-axis, so that the second rotating shaft 41 and the handle body can be rotatably connected and can also have a certain up and down floating effect. When the user presses the button body, the first connecting member 3 rotates around the first rotating shaft 31 and the second rotating shaft 41, and the second rotating shaft 41 can move downward along the aperture, so that the signal trigger end of the first connecting member 3 triggers the signal generating device 32 to generate a signal, which can facilitate the installation position of the signal generating device 32 without the need to accurately bring its signal triggering end close to each other. The up and down floating effect facilitates the accurate triggering of the signal triggering end and the signal generating device 32.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A key structure, characterized in that: The button structure includes: a first connecting member, one end of which is used for signal triggering; a second connecting member, the second connecting member being rotatably connected to the first connecting member via a first rotating shaft, the second connecting member being further rotatably connected to the product body via a second rotating shaft, the first rotating shaft and the second rotating shaft being arranged perpendicularly; and A plurality of signal generating devices are arranged on the product body at positions corresponding to the signal triggering ends of the first connecting member so that when the first connecting member rotates around the first rotating shaft and / or the second rotating shaft, the signal generating devices are triggered to generate electrical signals.

2. The key structure according to claim 1, characterized in that: The key structure also includes a key part and a keycap, the keycap is installed on the key part, the bottom surface of the keycap is provided with a first installation groove for installing the key part, the wall surface of the first installation groove is provided with a plurality of positioning protrusions, the positioning protrusions are used to position the key part, and the top surface of the keycap is provided with a plurality of protrusions, the protrusions are distributed circumferentially around the center of the keycap and correspond to the position of the signal generating device, so that the user presses the protrusion so that the first connecting member conflicts with the corresponding signal generating device to generate an electrical signal.

3. The key structure according to claim 2, characterized in that: The button part is a cross-shaped structure, and the button part is embedded in the first mounting groove on the bottom surface of the keycap. A second mounting groove is set at the center of the button part, and the second mounting groove is connected to the first connecting member or the second connecting member through a mounting member.

4. The key structure according to claim 3, characterized in that: The button portion is further provided with a plurality of first positioning holes, and the first positioning holes cooperate with the positioning protrusions on the key cap to connect the key cap to the button portion.

5. The key structure according to claim 3, characterized in that: The first connecting member includes an integrally arranged first mounting portion and a signal trigger end. The first mounting portion is in the shape of a rectangular rod. The first rotating shaft is provided with a first half-shaft and a second half-shaft. The first half-shaft and the second half-shaft are respectively located on two opposite side surfaces of the first mounting portion. The first half-shaft and the second half-shaft are coaxial and are respectively rotatably connected to the second connecting member. A second positioning hole is provided on the top surface of the first mounting portion, and the second positioning hole is used to install the button portion.

6. The key structure according to claim 5, characterized in that: The second connecting member is sleeved on the first connecting member through the first mounting hole, and a first mounting protrusion is respectively provided on a group of opposite outer side surfaces of the second connecting member, and the first mounting protrusion is provided with a second mounting hole. The second mounting hole is used to install the first half shaft and the second half shaft of the first rotating shaft, and the second rotating shaft is provided with a third half shaft and a fourth half shaft. The third half shaft and the fourth half shaft are coaxial and are respectively located on two opposite side surfaces of the second connecting member.

7. The key structure according to claim 5, characterized in that: The first half shaft and the second half shaft of the first rotating shaft are respectively plugged into the second mounting hole of the second connecting member, and the axis of the first rotating shaft is coplanar with the axis of the second rotating shaft.

8. The key structure according to claim 1, characterized in that: The plurality of signal generating devices are distributed circumferentially with the center of the bottom surface of the first connecting member as the center of the circle.

9. An input device, characterized in that: The input device is provided with a device body and a key structure according to any one of claims 1 to 8; The device body is provided with a group of second mounting protrusions, and the second mounting protrusions are mounted on the third half-shaft and the fourth half-shaft of the second rotating shaft through the third mounting holes.

10. A game controller, characterized in that: The game controller is provided with a controller body and a cross-shaped button, and the cross-shaped button is provided with a button structure according to any one of claims 1 to 8; The handle body is provided with a group of third mounting protrusions, and the third mounting protrusions are mounted on the third half-shaft and the fourth half-shaft of the second rotating shaft through the fourth mounting holes.