Key and keyboard

Abstract

The embodiment of the utility model provides a key and a keyboard, and relates to the technical field of keys, the key comprises a moving part and a limiting part, the limiting part is provided with a guide part, the moving part is provided with a sliding part, and the sliding part and the guide part are arranged in a sleeving manner; at least one abutting part is arranged on the first side face of the guide part, a clamping part is arranged on the second side face of the sliding part, the first side face is the side face where the guide part makes contact with the sliding part, and the second side face is the side face where the sliding part makes contact with the guide part; when the key is pressed, the sliding part moves in the first direction relative to the guide part, when the key is released, the sliding part moves in the second direction relative to the guide part, and in the moving process, the clamping part makes contact with at least one abutting part to generate friction, so that the pressing depth of the key is in the position of the abutting part in contact. Therefore, on the premise of ensuring that the key has the use function of multiple pressing depths, the burden of fingers and wrists of a user is reduced, and the experience feeling is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of keys, in particular to a key and a keyboard. BACKGROUND

[0002] A keyboard is an instruction and data input device for operating a computer device, also refers to a group of function keys (such as a typewriter, a computer keyboard) arranged to operate a machine or device. The keyboard is the most commonly used and the most important input device, through which English letters, Chinese characters, numbers, punctuation marks, etc. can be input into the computer, thereby issuing commands to the computer, inputting data, etc. There are also some keyboards with various shortcut keys. Over time, independent products with various shortcut functions have also appeared on the market and are sold separately, and have special drivers and setting software, which can also achieve personalized operation on compatible machines.

[0003] In the related art, the keyboard can adopt a key with a multi-section positioning element, the multi-section positioning element provided in the key is a spring, and a plurality of curved structures can be sequentially provided on the spring with reference to the vertical direction of the key shaft. When the key is pressed, the actuating portion on the key cap contacts the curved structure, so that the actuating portion and the corresponding curved structure of the spring form a conduction loop of electric current, thereby generating a response feedback signal. The feedback signal can control the key to output text, select the driving and setting software running mode, etc. The deformation degree of the spring corresponds to the change of the spring force, which can also feedback the depth of the key and the corresponding signal to the user. For example, the key and the keyboard in document CN108091513A. This kind of way not only enriches the function of the key, but also can feedback the key depth to the user. However, the greater the deformation of the spring, the greater the pressing force required by the user to control the key to be pressed deeper. In fast and long-time operation, it brings pressure to the user and puts a great burden on the fingers and wrists. In order to restore the key after pressing, the spring under the key cap needs to have a spring force greater than the friction force between the actuating portion of the key cap and the curved structure of the spring. Correspondingly, the spring under the key cap also has a large feedback spring force when the user presses, which further puts a burden on the fingers and wrists and reduces the experience.

[0004] Therefore, it is urgent to redesign a key and a keyboard to overcome the above-mentioned defects. Invention content

[0005] The key and the keyboard provided by the embodiments of the present application can reduce the burden on the fingers and wrists of the user and improve the experience while ensuring that the key has the use function of multiple pressing depths.

[0006] In a first aspect, the embodiments of the present application provide a key, comprising a moving part and a limiting part, the limiting part is provided with a guide part, the moving part is provided with a sliding part, the sliding part and the guide part are arranged in a sleeve connection mode;

[0007] The first side of the guide part is provided with at least one abutting part, the second side of the sliding part is provided with a clamping part, the first side is the side of the guide part in contact with the sliding part, and the second side is the side of the sliding part in contact with the guide part;

[0008] When the key is pressed, the sliding part moves relative to the guide part in a first direction, when the key is released, the sliding part moves relative to the guide part in a second direction, and during the movement, the clamping part is in contact with the at least one abutting part to generate friction, so as to show the position of the abutting part in contact with the pressing depth of the key.

[0009] Optionally, a plurality of abutting parts are arranged in sequence along the first direction on the first side.

[0010] Optionally, the first contact curvature of the surface of the abutting part is greater than the second contact curvature, the first contact curvature and the second contact curvature constitute the contact route of the clamping part on the abutting part, and when the sliding part moves relative to the guide part in the first direction, the first contact curvature is in contact with the clamping part before the second contact curvature.

[0011] Optionally, the clamping part is a convex structure with a rough arc surface, and when the sliding part moves relative to the guide part, the rough arc surface of the clamping part is in contact with the abutting part.

[0012] Optionally, the guide part has an open guide cavity, the sliding part has an open sliding cavity, and the open guide cavity and the open sliding cavity form an elastic cavity in opposite directions;

[0013] The elastic cavity is provided with an elastic part, the elastic part is elastically increased when the sliding part moves in the first direction, and the elastic part is elastically decreased when the sliding part moves in the second direction.

[0014] Optionally, the elastic part is a spring, the spring is internally provided with a buffer shaft core, and when the sliding part moves to the end point of the first direction, the closed structure of the open sliding cavity in the second direction is in contact with the buffer shaft core.

[0015] Optionally, the closed structure of the open guide cavity in the first direction is provided with a sensor, and the closed structure of the open sliding cavity in the second direction is provided with a magnetic part.

[0016] The sensor collects a magnetic distance parameter of the magnetic component and transmits the magnetic distance parameter to a controller, and the controller generates a control instruction corresponding to the magnetic distance parameter, the control instruction including at least one of a light effect instruction for controlling the on-off state of a corresponding colored light provided in the key and a function instruction for controlling the output information of the key.

[0017] Optionally, the moving piece and the limiting piece form a main cavity, the moving piece is provided with a support piece, the support piece is parallel to the sliding part and located in the main cavity, and the limiting piece is provided with a bottom plate.

[0018] When the sliding part moves to the end point of the first direction relative to the guide part, the support piece is supported on the bottom plate.

[0019] Optionally, the moving piece is provided with a limiting protruding part, and the limiting piece is provided with a limiting clamping groove.

[0020] When the moving piece moves to the end point of the second direction, the limiting clamping groove and the limiting protruding part are clamped to prevent the moving piece from being separated from the limiting piece.

[0021] In a second aspect, the embodiments of the present application provide a keyboard, which comprises the key according to any one of the first aspect.

[0022] The present application has the following advantages:

[0023] The embodiments of the present application provide a key, which comprises a moving piece and a limiting piece, the limiting piece is provided with a guide part, the moving piece is provided with a sliding part, the sliding part and the guide part are sleeved, a butt part is arranged on the side of the guide part close to the sliding part, and a clamping part is arranged on the side of the sliding part close to the guide part, so that when the key is pressed, the butt part and the clamping part are in contact, and the user can feel the friction to confirm the pressing depth of the key. Thus, compared with the existing technology that the curved structure of the elastic sheet is in contact with the actuating part on the keycap, and the elastic force of the elastic sheet increases with the increase of the pressing depth of the keycap, the present application does not need a large pressing force, but only feels the friction during the pressing of the user, effectively reduces the burden of the fingers and wrists, and improves the experience. In addition, the friction between the butt part and the clamping part in the key of the present application can be set to be smaller than the spring force, for example, the smoothness of the surface of the butt part and the clamping part, the strain condition of the butt part and the clamping part when they are in contact, etc. can be adjusted to ensure that the friction between the butt part and the clamping part in the key is smaller than the spring force, and then the spring can also use a general spring, further reducing the burden of the fingers and wrists, and improving the experience.

[0024] Other features and advantages of the present application will be set forth in the description that follows, and in part will be apparent from the description, or can be learned by practice of the application. The purposes and other advantages of the present application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings needed to be used in the embodiments or the related art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor based on the provided drawings.

[0026] Figure 1 A key structure schematic diagram provided for the embodiments of the present application;

[0027] Figure 2 A key structure schematic diagram provided for the embodiments of the present application;

[0028] Figure 3 A key structure schematic diagram provided for the embodiments of the present application;

[0029] Figure 4 A key structure schematic diagram provided for the embodiments of the present application;

[0030] Figure 5 A keyboard schematic diagram provided for the embodiments of the present application. DETAILED DESCRIPTION

[0031] In order to make the purposes, technical solutions and advantages of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application. The embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily without conflict.

[0032] It should be noted that in the description of the present application, “at least one” means one or more, and multiple means two or more. Therefore, “multiple” in the embodiments of the present application can also be understood as “at least two”. In addition, it should be understood that in the description of the present application, “first”, “second”, etc. are used only for the purpose of distinguishing the description, and cannot be understood as indicating or implying relative importance, nor can it be understood as indicating or implying order.

[0033] Games are one of the main ways of leisure and entertainment today, therefore, the demand of players for game using devices is also increasing, and a kind of keyboard that can play games is gradually developed, which requires strong paragraph feeling of key pressing, that is, players can perceive the depth of pressing the key, so as to produce special hand feeling suitable for game entertainment, and realize good experience of players in the game. As the above-mentioned key with multi-stage positioning element, players can experience paragraph feeling in the process of pressing the key, but the required pressing force is greater with the deepening of pressing depth, which brings use pressure to users in fast and long time operation, and causes greater burden to fingers and wrists.

[0034] Therefore, the key provided by the embodiment of the present application comprises a moving part and a limiting part, the limiting part is provided with a guide part, the moving part is provided with a sliding part, the sliding part and the guide part are sleeved, at least one abutting part is arranged on the side surface of the guide part close to the sliding part, and a clamping part is arranged on the side surface of the sliding part close to the guide part. When the key is pressed, the clamping part produces friction with the contact. In this way, the user can determine the pressing depth of the key according to the friction feeling when the key is pressed, and does not need to use a large pressing force, which can adapt to the fast and long time operation of the key and reduce the burden of fingers and wrists.

[0035] The application scenarios to which the technical solutions of the embodiments of the present application can be applied will be briefly introduced below, and it should be noted that the following application scenarios are only used to illustrate the embodiments of the present application but not to limit. In the specific implementation process, the technical solutions provided by the embodiments of the present application can be flexibly applied according to actual needs.

[0036] The scheme provided by the embodiments of the present application can be applied to most application scenarios of keys, for example, the key provided by the embodiments of the present application can be applied to game handles, game keyboards, general work keyboards, device control keys and the like, and the specific device types to which the key of the present application is applied are not limited here and will not be enumerated one by one.

[0037] The key provided by the exemplary embodiments of the present application will be described below in combination with the above-described application scenarios and with reference to the accompanying drawings, and it should be noted that the above-described application scenarios are only shown to facilitate understanding of the spirit and principles of the present application, and the embodiments of the present application are not limited in this respect.

[0038] Referring to Figure 1 As shown in FIG. 1, the key provided by the embodiments of the present application comprises a moving part 1 and a limiting part 2, the limiting part 2 is provided with a guide part 21, and the moving part 1 is provided with a sliding part 11, and the sliding part 11 and the guide part 21 are sleeved.

[0039] The first side of the guide part 21 is provided with at least one abutting part 211, and the second side of the sliding part 11 is provided with a clamping part 111. The first side is the side of the guide part 21 in contact with the sliding part 11, and the second side is the side of the sliding part 11 in contact with the guide part 21.

[0040] When the button is pressed, the sliding part 11 moves relative to the guide part 21 in the first direction 01, and when the button is released, the sliding part 11 moves relative to the guide part 21 in the second direction 02. During the movement, the clamping part 111 contacts the at least one abutting part 211 to generate friction, thereby indicating the position of the abutting part 211 in contact with the pressing depth of the button.

[0041] In one embodiment, the first direction is downward, and when the button is pressed, the moving part 1 of the button moves downward. The second direction is upward, and when the button is released, the moving part 1 of the button moves upward.

[0042] In one embodiment, in order to clearly show the clamping part 111 and the abutting part 211, the application provides a partial structure diagram of a button, as shown in Figure 2 It should be noted that the abutting part 211 shown in the figure has two pairs, which is only used to clearly illustrate the scheme and does not limit the specific arrangement of the scheme. For example, the abutting part 211 can be 1, 2, 3, 5, 6, etc.

[0043] In one embodiment, the guide part 21 is cylindrical, and the abutting part can be a protruding circular ring provided on the first side of the guide part 21. In other embodiments, the abutting part can also be a hemispherical protruding point, or it can also be an inverted half water droplet-shaped protruding point, etc. The shape of the abutting part 211 is not limited here, or it can also be a bridge-shaped elastic piece (the elastic piece material can be a metal or alloy with high smoothness, etc.). Alternatively, the guide part 21 can also be a cuboid with an open cavity, etc. The shape of the guide part 21 is not limited here. The sliding part 11 is sleeved with the guide part 21, so the shape of the sliding part 11 can be adaptively arranged with the guide part 21. The clamping part 111 can be a protruding point of any shape.

[0044] The above-mentioned button is provided with an abutting part on the guide part and a clamping part on the sliding part, so that the abutting part and the clamping part are in contact when the button is pressed. The user can feel the friction and confirm the pressing depth of the button. In this way, compared with the prior art, the button of the application does not need to be pressed with a large pressing force, and under the condition of long-time, fast button operation, the burden on the fingers and wrists is effectively reduced, and the experience is improved.

[0045] Based on the above Figure 1 and Figure 2The key structure diagram in the above

[0046] Based on the key structure diagram in the above Figure 1 and Figure 2 The key structure diagram in the above Figure 3 As shown in the figure, the first contact curvature 31 of the surface of the abutting part 211 is greater than the second contact curvature 32, and the first contact curvature 31 and the second contact curvature 32 constitute the contact route of the clamping part 111 on the abutting part 211. When the sliding part 11 moves relative to the guiding part 21 in the first direction, the first contact curvature 31 contacts the clamping part 111 before the second contact curvature 32. In this way, when the sliding part 11 moves in the first direction, because the first contact curvature 31 is greater than the second contact curvature 32, the resistance when the key moves in the first direction is greater than the resistance when the key moves in the second direction, which can ensure that the user perceives the contact, extrusion and friction of the clamping part 111 and the abutting part 211, and can also ensure that the key rebounds in time when the key is released, thereby ensuring the sensitivity of the key.

[0047] Based on the key structure diagram in the above Figure 1 and Figure 2 The key structure diagram in the above As shown in the figure, the clamping part 111 is a convex structure with a rough arc surface, and the rough arc surface of the clamping part 111 contacts the abutting part 211 when the sliding part 11 moves relative to the guiding part 21. In this way, the surface of the clamping part 111 is set as a rough arc surface, so that the clamping part 111 and the abutting part 211 have a large friction force when they contact and rub, which ensures that the user perceives the friction to know the key depth of the key. In this way, if the gap between the first side of the guiding part 21 and the second side of the sliding part 11 is L, the sum of the height of the clamping part 111 and the height of the abutting part 211 is L', and L'≥L, and the difference between L' and L is very small, so that the stress generated when the clamping part 111 and the abutting part 211 contact and extrude is not too large, thereby ensuring that the user does not receive too much resistance when pressing the key.

[0048] Figure 1 Based on the key structure diagram in the above Figure 2 The key structure diagram in the above Figure 1As shown, the guide portion 21 has an open guide cavity 212, and the sliding portion 11 has an open sliding cavity 112. The open guide cavity 212 and the open sliding cavity 112 form an elastic cavity relative to each other. An elastic component is provided in the elastic cavity. When the sliding portion moves in the first direction, the elasticity of the elastic component increases, and when the sliding portion moves in the second direction, the elasticity of the elastic component decreases.

[0049] Based on the above Figure 1 and Figure 2 The present application provides a button structure diagram and related embodiments, such as a button. Figure 4 As shown, the elastic component in the button is a spring 41, and a buffer core 42 is provided inside the spring 41. When the sliding part 11 moves to the end point in the first direction, the closed structure 113 of the open sliding cavity 112 in the second direction contacts the buffer core 42.

[0050] In one embodiment, the buffer core 42 has elasticity for cushioning, for example, the buffer core 42 can be made of rubber.

[0051] Based on the above Figures 1-4 The structure and related embodiments in the present application provide a button, such as... Figure 1 As shown, a sensor is provided at the closed structure 213 of the open guide cavity 212 in the first direction, and a magnetic component is provided at the closed structure 113 of the open sliding cavity 112 in the second direction. The sensor collects the magnetic distance parameters between itself and the magnetic component and transmits them to the controller, causing the controller to generate control commands corresponding to the magnetic distance parameters. The control commands include at least one of the following: lighting effect commands and function commands. The lighting effect commands are used to control the on / off state of the corresponding colored lights set in the buttons, and the function commands are used to control the output information of the buttons.

[0052] In one embodiment, the sensor is a Hall sensor. At different button depths, the Hall sensor obtains the magnetic distance parameter of the magnetic component. The controller can obtain the corresponding button pressing depth (the depth of contact, compression, and friction between the corresponding abutting part 211 and the locking part 111, where the depth of the abutting part 211 represents the button pressing depth, and this depth can be represented by the magnetic distance parameter, that is, the controller can store the correspondence between the depth and the magnetic distance parameter) based on the magnetic distance parameter, and then determine the control command for the pressing depth.

[0053] In one embodiment, colored lights are provided in the buttons, and different button pressing depths can correspond to different light effects and / or colors, allowing users to more intuitively perceive the pressing depth.

[0054] In one embodiment, the corresponding computing device is provided with corresponding software, which can realize dynamic key stroke and travel setting; wherein, the dynamic key stroke can be for a single key, and according to 4 different key pressing depths, multiple functions can be bound, such as 1-4 functions.

[0055] Based on the above embodiments, in one embodiment, the dynamic key stroke can support single key, combination key and macro (keyboard macro can be used to convert small command or action into a series of instructions of the computing device).

[0056] In one embodiment, the corresponding key travel setting software can be installed in the computing device, and then the plane of the keys of the keyboard can be displayed on the display screen of the computing device, the positions of the keys can be clearly seen, and any one or more keys can be selected by single click, double click or long press, short press, etc. For the selected key, the related function instructions of the contact point between the abutting portion 211 and the clamping portion 111 of the key and the key pressing depth are set, such as if the key moves to the end in the first direction, i.e. the support 12 touches the bottom plate 22, the key pressing depth is 3.5 mm, the abutting portion 211 of one key pressing depth is set, the key pressing depth is 0.7 mm, and then one key triggering mode is as follows:

[0057] The first case: the pressing depth is 0.7 mm, and the key is triggered when the key is pressed to 0.7 mm. In the travel setting software interface of the display screen of the computer device, the control instructions of the key pressing depth of 0.7 mm can be selected by clicking the field of 0.7 mm.

[0058] The second case: the pressing depth is 3.5 mm, which means that the key is pressed to the bottom and the key is triggered when the key is pressed to the bottom. In the travel setting software interface of the display screen of the computer device, the control instructions of the key pressing depth of 3.5 mm can be selected by clicking the field of 3.5 mm.

[0059] Based on the above embodiments, in one embodiment, the travel setting can be set to four modes, including:

[0060] Comfort mode (default) is equal to the key travel of the standard axis, and the key is triggered at about 2 mm;

[0061] Sensitivity mode is equal to the key travel of the fast silver axis, and the key is triggered at 0.8 mm;

[0062] Game mode is equal to the key travel of the fast silver axis, and the key is triggered at 0.8 mm, and the continuous fast trigger (RT) is started at 2 mm;

[0063] Custom mode can freely set the stroke of each key, and can choose whether to open the continuous rapid trigger (RT) function. After opening the continuous rapid trigger function, the stroke required to trigger the key again and the stroke required to reset by releasing the key can be set.

[0064] Open simulation test: simulation test can be opened to adjust the pressing stroke according to the pressing feeling. However, after opening the simulation test, the keyboard cannot be used, and the keyboard can be used only after stopping the simulation test.

[0065] Stroke calibration: if the shaft is plugged or replaced, it is better to calibrate the keyboard first. When calibrating the stroke, wait for the keyboard calibration to be completed before using it.

[0066] Based on the structure and related embodiments of the above Figures 1-4 , the embodiments of the present application provide a key, as shown in Figure 1 , the moving part 1 and the limiting part 2 form a main cavity 5, the moving part 1 is provided with a support 12, the support 12 is parallel to the sliding part 11 and located in the main cavity 5, and the limiting part 2 is provided with a bottom plate 22; when the sliding part 11 moves to the end point of the first direction relative to the guide part 21, the support 12 is supported on the bottom plate 22. In this way, when the sliding part 11 moves to the end point of the first direction relative to the guide part 21, the support 12 is supported on the bottom plate 22, which can reduce the stress of the contact point between the sliding part 11 and the guide part 21, reduce the wear of the sliding part 11 and the guide part 21, and the support 21 can play a good balance when the key is pressed, improving the use feeling of the key.

[0067] Based on the structure and related embodiments of the above Figures 1-4 , the embodiments of the present application provide a key, as shown in Figure 1 , the moving part 1 is provided with a limiting protruding part 13, and the limiting part 2 is provided with a limiting clamping groove 23; when the moving part 1 moves to the end point of the second direction, the limiting clamping groove 23 and the limiting protruding part 13 are clamped, preventing the moving part 1 from separating from the limiting part 2. That is, when the spring in the key is in a relatively relaxed state, even if there is still a little elasticity, the moving part 1 and the limiting part 2 cannot be separated, which can ensure the stability and integrity of the key structure.

[0068] Based on the key and related embodiments of the above Figures 1-4 , the embodiments of the present application improve a keyboard, which can include any key in the above Figures 1-4 . As shown in Figure 5 , a schematic diagram of a keyboard provided by the embodiments of the present application is shown.

[0069] Those skilled in the art can understand that Figures 1-4The key structure in the drawings does not constitute a limitation on the key structure, and can include more or fewer structural components than shown, or combine certain parts, or different structural components, part arrangement, it can be understood that the key obtained by copying or deforming the key based on the key design concept of the application should be within the protection scope of the application.

Claims

1. A key, characterized in that The motion piece and the limiting piece are provided with a sliding part and a guide part, respectively, and the sliding part and the guide part are connected in a sleeve manner; At least one abutting part is arranged on a first side of the guide part, and a clamping part is arranged on a second side of the sliding part, the first side being a side of the guide part in contact with the sliding part, and the second side being a side of the sliding part in contact with the guide part; When the key is pressed, the sliding part moves relative to the guide part in a first direction, and when the key is released, the sliding part moves relative to the guide part in a second direction, and during the movement, the clamping part is in contact with the at least one abutting part to generate friction, thereby representing the position of the abutting part in contact with the pressing depth of the key.

2. The key of claim 1, wherein A plurality of abutting parts are arranged in sequence along the first direction on the first side.

3. The key of claim 1, wherein The first contact radius of the surface of the abutting part is greater than the second contact radius, and the first contact radius and the second contact radius constitute the contact route of the clamping part on the abutting part, and when the sliding part moves relative to the guide part in the first direction, the first contact radius is in contact with the clamping part before the second contact radius.

4. The key of claim 1, wherein The clamping part is a convex structure with a rough arc surface, and when the sliding part moves relative to the guide part, the rough arc surface of the clamping part is in contact with the abutting part.

5. The key of claim 1, wherein The guide part has an open guide cavity, the sliding part has an open sliding cavity, and the open guide cavity and the open sliding cavity form an elastic cavity in opposite directions; An elastic part is arranged in the elastic cavity, and when the sliding part moves in the first direction, the elastic part elastically increases, and when the sliding part moves in the second direction, the elastic part elastically decreases.

6. The key of claim 5, wherein The elastic part is a spring, and the spring has a buffer shaft core inside, and when the sliding part moves to the end point in the first direction, the closed structure of the open sliding cavity in the second direction is in contact with the buffer shaft core.

7. The key of claim 5, wherein A sensor is arranged at the closed structure of the open guide cavity in the first direction, and a magnetic part is arranged at the closed structure of the open sliding cavity in the second direction; The sensor collects the magnetic distance parameter of the magnetic part and transmits it to the controller, so that the controller generates a control instruction corresponding to the magnetic distance parameter, the control instruction including at least one of a light effect instruction and a function instruction, the light effect instruction being used to control the on-off state of a corresponding colored lamp arranged in the key, and the function instruction being used to control the output information of the key.

8. The key of claim 1, wherein The motion piece and the limiting piece form a main cavity, the motion piece is provided with a support part, the support part is arranged in parallel with the sliding part and located in the main cavity, and the limiting piece is provided with a bottom plate; When the sliding part moves to the end point of the first direction relative to the guide part, the support part is supported on the bottom plate.

9. The key of claim 1, wherein The motion piece is provided with a limiting convex part, and the limiting piece is provided with a limiting clamping groove. When the moving part moves to the end point of the second direction, the limiting slot and the limiting convex part are clamped to prevent the moving part from separating from the limiting part.

10. A keyboard, characterized by The keyboard comprises the key as claimed in any one of claims 1 to 9.

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