Key and electronic equipment

Abstract

The invention provides a key and electronic equipment, and relates to the technical field of vibration feedback of keys, a vibration feedback device can be integrated in the key, the structural complexity of the key is low, the size of the key can be reduced, and the key can be conveniently installed in the electronic equipment with limited space. The key comprises a key cap, a base, a pressure input piece, a first driving piece and a second driving piece. The key cap is provided with a pressing face, the pressure input piece comprises a fixing part and a cantilever part connected to the fixing part, the fixing part is fixed to the base, the cantilever part is located on the side, back to the pressing face, of the key cap, and vibration of the cantilever part can be transmitted to the key cap. One of the first driving piece and the second driving piece is arranged on the cantilever part, the other one is arranged on the base, and the first driving piece is used for being matched with the second driving piece to drive the cantilever part to vibrate. The key provided by the invention is used for controlling and executing at least one function.

Description

Technical Field

[0001] The present application relates to the technical field of vibration feedback of keys, and in particular to a key with a vibration feedback function and an electronic device including the key. Background Art

[0002] Various buttons are provided in electronic devices such as mobile phones, tablet computers, and laptop computers. These buttons may include traditional mechanical buttons and pressure buttons.

[0003] Traditional mechanical keys include a keycap, a pot (also called a dome), and a transmission rod between the keycap and the pot. The user presses the keycap to push the transmission rod toward the pot, and the transmission rod squeezes the pot to force it to deform, thereby triggering an electrical signal to control the execution of the corresponding function. Mechanical keys provide feedback through the tactile sensation transmitted by the deformation of the pot, allowing the user to sense whether the operation is completed and prevent false triggering. However, the functional design of mechanical keys is often single, and a single key can usually only correspond to one function.

[0004] Pressure buttons have built-in pressure sensing components, which are used to detect the user's pressing force. Different thresholds can be set according to the pressing force to achieve multiple different functions on a single button. In this way, multiple functions can be integrated on the same button, reducing the number of buttons on the electronic device and making the appearance neater. Therefore, pressure buttons are increasingly used in electronic devices.

[0005] However, compared to mechanical sensors that can achieve feedback by relying on the deformation of the internal pot piece, for pressure-type buttons, it is usually necessary to set up a force feedback device separately in the electronic device. At present, the force feedback devices on the market include but are not limited to vibration feedback devices and voice feedback devices. Among them, the vibration feedback device usually uses a vibration motor, which has a complex structure and a large size, resulting in the button including more parts, a complex structure, and a large size, which is not conducive to installation in electronic devices with limited space. Summary of the invention

[0006] The present application provides a key and an electronic device, in which a vibration feedback device can be integrated, and the key has a low structural complexity, which is conducive to reducing the size of the key and facilitating installation in electronic devices with limited space.

[0007] To achieve the above objectives, the embodiments of the present application adopt the following technical solutions:

[0008] In a first aspect, a key is provided, which includes a base, a keycap, a pressure input member, a first driving member, and a second driving member. The keycap has a pressing surface. The pressure input member includes a fixed portion and a cantilever portion connected to the fixed portion, the fixed portion is fixed to the base, the cantilever portion is located on the side of the keycap that is opposite to the pressing surface, and the pressing force acting on the pressing surface can be transmitted to the cantilever portion. One of the first driving member and the second driving member is arranged on the cantilever portion, and the other is arranged on the base, and the first driving member is used to cooperate with the second driving member to drive the cantilever portion to vibrate.

[0009] Because the first driving member cooperates with the second driving member to drive the cantilever part to vibrate, and because the vibration of the cantilever part can be transmitted to the key cap, the user's finger can feel the vibration, thereby forming a vibration feedback. In this way, the vibration feedback device is integrated into the key, and the structure of the vibration feedback device is simple, which is conducive to reducing the size of the key and is easy to install in electronic equipment with limited space.

[0010] In a possible implementation of the first aspect, the first driving member is an electromagnet, and the second driving member is an armature. The armature is a material other than a permanent magnet that can be attracted by a magnet. Since the magnetism of the electromagnet is relatively small and does not magnetize the armature, the width of the gap between the electromagnet and the armature can be reduced to reduce the volume of the vibration feedback device and even the button, so as to facilitate installation in an electronic device with limited space.

[0011] In a possible implementation of the first aspect, when the electromagnet is energized, the armature is attracted to move toward the electromagnet, and the cantilever portion is deformed and accumulates elastic force; when the electromagnet is de-energized, the magnetism disappears, and the cantilever portion returns to its original position and rebounds under the action of its own elastic force, thereby causing the cantilever portion to vibrate by energizing and de-energizing at least once.

[0012] In a possible implementation of the first aspect, the gap width between the first driving member and the second driving member is greater than or equal to 0.03 mm, and less than or equal to 0.1 mm. Specifically, the gap width can be 0.03 mm, 0.04 mm, 0.05 mm, 0.06 mm, 0.07 mm, 0.08 mm, 0.09 mm, 0.1 mm. In this way, the gap width between the first driving member and the second driving member is moderate, which is convenient for the key to integrate more than two control operations, and at the same time, the height of the key can be reduced, which is convenient for installation in electronic devices with limited internal space, or the height of the first driving member or the second driving member can be increased to increase the vibration intensity.

[0013] In a possible implementation of the first aspect, the armature is made of silicon steel, which has good magnetic permeability and good elasticity, and meets the use requirements of the key.

[0014] In a possible implementation of the first aspect, the button further includes at least one elastic member, which is connected between the cantilever portion and the base. When the electromagnet is powered on, the electromagnet has magnetism and can attract the armature to move toward the electromagnet, while the cantilever portion and the at least one elastic member are deformed and accumulate elastic force; when the electromagnet is powered off, the magnetism of the electromagnet disappears, and the pressure input member resets and rebounds under the action of its own elastic force and the elastic force of the elastic member. At least one elastic member can increase the rebound force, thereby enhancing the vibration sense transmitted to the user.

[0015] In a possible implementation manner of the first aspect, the structural form of the elastic member includes but is not limited to a C-shaped spring clip, an L-shaped spring clip, an S-shaped spring clip, a straight-line spring clip, a coil spring, and the like.

[0016] In a possible implementation of the first aspect, the fixing portion includes a first fixing portion and a second fixing portion; the first fixing portion and the second fixing portion are fixed on the base. The cantilever portion is connected between the first fixing portion and the second fixing portion. In this way, both ends of the pressure input member are fixed, and the middle portion forms a cantilever portion, which has a smaller bending amplitude and higher stability and reliability.

[0017] In a possible implementation of the first aspect, the base includes a bottom wall portion and a first side wall portion and a second side wall portion connected to the bottom wall portion. The first fixing portion is fixed to the first side wall portion, and the second fixing portion is fixed to the second side wall portion. The bottom wall portion is located on the side of the cantilever portion facing away from the keycap, and is spaced apart from the cantilever portion. The other of the first driving member and the second driving member is disposed on the bottom wall portion. In this way, when pressing force is applied to the pressing surface, the cantilever portion can be bent and deformed toward the bottom wall portion, and the avoidance space required for the bending and deformation of the cantilever portion is enclosed by the base, so that the cantilever portion can be prevented from interfering with other structural parts in the electronic device.

[0018] In a possible implementation of the first aspect, the key further includes a first transmission member and a second transmission member. The first transmission member and the second transmission member are located between the keycap and the cantilever portion, and the first transmission member and the second transmission member are spaced apart along the arrangement direction of the first fixed portion and the second fixed portion, the first transmission member and the second transmission member are connected to or in contact with the keycap but not connected, and the first transmission member and the second transmission member are connected to or in contact with the cantilever portion but not connected. In this way, the first transmission member and the second transmission member transmit the pressing force from the keycap to two different positions on the cantilever portion, which can avoid stress concentration and extend the service life of the vibration feedback device.

[0019] In a possible implementation of the first aspect, when the first driving member is disposed on the base and the second driving member is disposed on the cantilever portion, at least a portion of the pressure input member forms the second driving member. In this way, the structural complexity of the key can be reduced and the height of the key can be lowered.

[0020] In a possible implementation of the first aspect, the pressure input member includes a first cantilever beam, a second cantilever beam and a connecting beam. The first cantilever beam and the second cantilever beam are arranged at intervals along the arrangement direction of the first fixing portion and the second fixing portion, and the end of the first cantilever beam away from the second cantilever beam forms the first fixing portion, and the end of the second cantilever beam away from the first cantilever beam forms the second fixing portion. The connecting beam is connected between the end of the first cantilever beam facing the second cantilever beam and the end of the second cantilever beam facing the first cantilever beam, and the connecting beam forms the above-mentioned second driving member. In this way, the pressure input member is formed by connecting three structural members, and the three structural members can be designed differently according to needs to facilitate maximizing the performance of the pressure input member.

[0021] In a possible implementation of the first aspect, a first through hole is provided at the end of the first cantilever beam facing the connecting beam, a second through hole is provided at the end of the connecting beam facing the first cantilever beam, and the first through hole is opposite to and connected to the second through hole. A third through hole is provided at the end of the second cantilever beam facing the connecting beam, a fourth through hole is provided at the end of the connecting beam facing the second cantilever beam, and the third through hole is opposite to and connected to the fourth through hole. The first transmission member can be connected to the first through hole and the second through hole by means of connecting members such as screws, rivets, and bolts, and the second transmission member can be connected to the third through hole and the fourth through hole by means of connecting members such as screws, rivets, and bolts. In this way, on the one hand, the connection between the first transmission member, the second transmission member and the cantilever portion is realized. On the other hand, the connection between the first cantilever beam and the connecting beam, and the connection between the second cantilever beam and the connecting beam are also realized. In this way, the structural complexity of the key can be reduced and the assembly efficiency can be improved. On the other hand, because the first transmission member is connected to the first through hole by means of connecting members such as screws, rivets, and bolts, and the second transmission member is connected to the third through hole by means of connecting members such as screws, rivets, and bolts, there will inevitably be gaps between the inner wall of the first through hole and the connecting member in the first through hole, and between the inner wall of the third through hole and the connecting member in the third through hole. Therefore, the cantilever end of the first cantilever beam can produce a slight displacement relative to the connecting member in the first through hole along the length direction of the first cantilever beam. At the same time, the cantilever end of the second cantilever beam can also produce a slight displacement relative to the connecting member in the third through hole along the length direction of the second cantilever beam, so that the cantilever end of the first cantilever beam can produce a slight bending deformation toward the bottom wall portion relative to the fixed end of the first cantilever beam, and the cantilever end of the second cantilever beam can produce a slight bending deformation toward the bottom wall portion relative to the fixed end of the second cantilever beam. In addition, because the first transmission member is also connected to the second through hole by means of connecting members such as screws, rivets, and bolts, and the second transmission member is also connected to the fourth through hole by means of connecting members such as screws, rivets, and bolts, there will inevitably be gaps between the inner wall of the second through hole and the connecting member in the second through hole, and between the inner wall of the fourth through hole and the connecting member in the fourth through hole. Therefore, the connecting beam can produce a slight displacement along the length direction of the connecting beam relative to the connecting members in the second through hole and the fourth through hole, so that the middle section of the connecting beam along its own length direction can produce a slight degree of bending deformation in the direction close to or away from the bottom wall.

[0022] In a possible implementation of the first aspect, the fixing portion and the cantilever portion are an integrated structural member, and the integrated structural member forms the second driving member. In this way, the key has a simple structure and high assembly efficiency.

[0023] In a possible implementation of the first aspect, when the first transmission member and the second transmission member are connected to the cantilever part, a fifth through hole is provided on the pressure input member at a position corresponding to the first transmission member, and a sixth through hole is provided on the pressure input member at a position corresponding to the second transmission member. The first transmission member can be connected to the fifth through hole by means of connecting members such as screws, rivets, and bolts, and the second transmission member can be connected to the sixth through hole by means of connecting members such as screws, rivets, and bolts. In this way, on the one hand, there will inevitably be a gap between the inner wall of the fifth through hole and the connecting member in the fifth through hole, and between the inner wall of the sixth through hole and the connecting member in the sixth through hole. The gap can allow the cantilever part to produce a slight displacement along its own length direction relative to the first transmission member and the second transmission member during the bending process under the action of the pressing force, so as to avoid jamming. On the other hand, since the transmission structure is connected to the cantilever part, the vibration generated by the cantilever part can be effectively fed back to the keycap via the transmission structure, which is conducive to improving the vibration feeling.

[0024] In a possible implementation of the first aspect, the pressure input member includes a first cantilever beam and a second cantilever beam. The first cantilever beam and the second cantilever beam are arranged at intervals along the arrangement direction of the first fixing portion and the second fixing portion, and the end of the first cantilever beam away from the second cantilever beam forms the first fixing portion, and the end of the second cantilever beam away from the first cantilever beam forms the second fixing portion. The first cantilever beam and the second cantilever beam form a second driving member. In this way, due to the presence of a gap between the first cantilever beam and the second cantilever beam, the first cantilever beam and the second cantilever beam are bent respectively under the action of the pressing force, and are not prone to getting stuck.

[0025] In a possible implementation of the first aspect, the first transmission member is located between the first cantilever beam and the keycap, and the first transmission member is connected to or in contact with the first cantilever beam but not connected. The second transmission member is located between the second cantilever beam and the keycap, and the second transmission member is connected to or in contact with the second cantilever beam but not connected. In this way, under the action of the pressing force, the first transmission member pushes the first cantilever beam to bend and deform, and the second transmission member pushes the second cantilever beam to bend and deform. This structure is simple and easy to set up.

[0026] In a possible implementation of the first aspect, when the first transmission member is connected to the first cantilever beam and the second transmission member is connected to the second cantilever beam, a fifth through hole is provided on the first cantilever beam at a position corresponding to the first transmission member, and a sixth through hole is provided on the second cantilever beam at a position corresponding to the second transmission member. The first transmission member can be connected to the fifth through hole by means of a connecting member such as a screw, a rivet, or a bolt, and the second transmission member can be connected to the sixth through hole by means of a connecting member such as a screw, a rivet, or a bolt. In this way, on the one hand, there will inevitably be a gap between the inner wall of the fifth through hole and the connecting member in the fifth through hole, which can allow the first cantilever beam to produce a slight displacement along its own length direction relative to the first transmission member during the bending process under the action of the pressing force, thereby avoiding the first cantilever beam from getting stuck. Similarly, there will inevitably be a gap between the inner wall of the sixth through hole and the connecting member in the sixth through hole, which can allow the second cantilever beam to produce a slight displacement along its own length direction relative to the second transmission member during the bending process under the action of the pressing force, thereby avoiding the second cantilever beam from getting stuck. On the other hand, since the transmission structure is connected to the cantilever part, the vibration generated by the cantilever part can be effectively fed back to the keycap via the transmission structure, which is beneficial to improving the vibration feeling.

[0027] In a possible implementation of the first aspect, the first transmission member includes a main body section and a connecting section, wherein the main body section is located between the keycap and the cantilever portion. The connecting section is connected to an end of the main body section away from the keycap, the maximum cross-sectional width of the connecting section is less than or equal to the diameter of the fifth through hole, and a portion of the connecting section is inserted into the fifth through hole, and another portion of the connecting section is located on a side of the cantilever portion facing away from the keycap. A first limiting portion is provided at an end of the main body section facing the connecting section, and the first limiting portion prevents the main body section from extending into the fifth through hole in a direction away from the keycap, and the other portion of the connecting section is provided with a second limiting portion, and the second limiting portion prevents the other portion of the connecting section from extending into the fifth through hole in a direction close to the keycap. In this way, the pressure input member can be installed into the installation groove through the opening of the installation groove, the first transmission member can extend into the first through hole through the accommodating groove, and the main section is located between the key cap and the pressure input member, the connecting section passes through the fifth through hole, and then the first limiting portion is arranged on the main section, and the second limiting portion is arranged on the connecting section passing through the fifth through hole, thereby limiting the pressure input member with the help of the first limiting portion and the second limiting portion, thereby realizing the connection between the first transmission member and the pressure input member. This assembly method is simple and easy to operate.

[0028] In a possible implementation of the first aspect, a first opening is provided on the partial cantilever portion between the first fixed portion and the first transmission member, and the first opening extends from the first fixed portion to the first transmission member. A second opening is provided on the partial cantilever portion between the second fixed portion and the second transmission member, and the second opening extends from the second fixed portion to the second transmission member. With the help of the first opening, the elasticity of the partial cantilever portion between the first fixed portion and the first transmission member can be increased, thereby, under the premise that the deformation amount of the partial cantilever portion is certain, the pressing force applied by the user to the keycap can be reduced, and the operating feel of the key can be improved. At the same time, the elasticity of the partial cantilever portion between the second fixed portion and the second transmission member can be increased with the help of the second opening. Therefore, under the premise that the deformation amount of the partial cantilever portion is certain, the pressing force applied by the user to the keycap can be reduced, and the operating feel of the key can be improved.

[0029] In a possible implementation of the first aspect, the key further includes a first bending deformation sensor, which is disposed on a portion of the cantilever portion between the first fixing portion and the first transmission member. The first bending deformation sensor and the cantilever portion form a pressure sensing component, and the pressure sensing component detects pressure by detecting the deformation of the pressure input member. At the same time, the pressure input member is also used as a vibration generating body in the vibration feedback device, thereby realizing the integration of the pressure sensing component and the vibration feedback device, which is further conducive to reducing the volume of the key and facilitating installation in electronic devices with limited space.

[0030] In a possible implementation of the first aspect, the key further includes a second bending deformation sensor, which is disposed on a portion of the cantilever portion between the second fixing portion and the second transmission member. With the aid of the first bending deformation sensor and the second bending deformation sensor, sliding detection of a user's finger can be implemented to achieve more diverse control operations, thereby reducing the number of keys on the electronic device as much as possible and making the appearance neater.

[0031] In a possible implementation of the first aspect, the first driving member includes at least three electromagnet units, and the at least three electromagnet units are arranged in sequence along the arrangement direction of the first fixed part and the second fixed part. When the at least three electromagnet units are energized, the magnetization directions of the two adjacent electromagnet units are opposite, and the at least three electromagnet units cooperate with the second driving member to drive the cantilever part to vibrate. In this way, the magnetic lines of force can be gathered, specifically gathered between the two adjacent electromagnet units, so that at least two magnetic lines of force gathering areas are formed between the at least three electromagnet units, which can improve the magnetic field strength, and at the same time, to a certain extent, improve the uniformity of the attraction of each part of the second driving member in the length direction, which can avoid the second driving member from being in a bent state after long-term use, and can extend the service life of the second driving member. In addition, the uniformity of the attraction of the multiple electromagnet units to each part of the second driving member in the length direction is better, which can increase the vibration amplitude of the part of the corresponding transmission structure on the pressure input member, which is conducive to improving the vibration intensity.

[0032] In a second aspect, an electronic device is provided, which includes a housing and a key as described in any of the above technical solutions, wherein the key is arranged on the housing.

[0033] Since the electronic device provided in the present application includes the keys described in any of the above embodiments, both can solve the same technical problems and achieve the same effects.

[0034] In a possible implementation of the second aspect, the housing includes a frame and a back cover. The electronic device also includes a screen, and the frame is located between the screen and the back cover, and is connected to the screen and the back cover. The frame has a first surface and a second surface, the first surface faces the screen or the back cover, the second surface is connected to the first surface, and the second surface forms a partial area of ​​the outer surface of the electronic device, the first surface is provided with a mounting groove, and the second surface is provided with a receiving groove. At least part of the keycap in the key is accommodated in the receiving groove, the frame forms a base, and the pressure input member, the first driving member and the second driving member in the key are installed in the mounting groove. In this way, on the one hand, the key is embedded in the frame, which can avoid the key occupying the internal space of the electronic device. On the other hand, since the frame forms the base of the key, there is no need to set a separate base, which can reduce costs.

[0035] In a possible implementation of the second aspect, the key includes a first transmission member and a second transmission member. A first through hole and a second through hole are provided in the frame, one end of the first through hole and one end of the second through hole are connected to the receiving groove, and the other end of the first through hole and the other end of the second through hole are connected to the mounting groove. The first transmission member and the second transmission member are located between the keycap and the cantilever portion of the pressure input member, and the first transmission member is accommodated in the first through hole, and the second transmission member is accommodated in the second through hole. In this way, with the help of a portion of the frame between the receiving groove and the mounting groove, moisture and dust can be blocked to a certain extent. At the same time, the first transmission member can be avoided with the help of the first through hole, and the second transmission member can be avoided with the help of the second through hole, so that the pressing force of the keycap can be transmitted to the pressure input member.

[0036] In a possible implementation of the second aspect, the electronic device further includes a first sealing ring and a second sealing ring. The first sealing ring is disposed between the inner wall of the first via and the first transmission member, and is disposed around the first transmission member. The second sealing ring is disposed between the inner wall of the second via and the second transmission member, and is disposed around the second transmission member. In this way, the gap between the inner wall of the first via and the first transmission member can be sealed with the help of the first sealing ring, and the gap between the inner wall of the second via and the second transmission member can be sealed with the help of the second sealing ring, thereby preventing impurities such as water and dust in the external environment from entering the electronic device.

[0037] In a possible implementation of the second aspect, the fixing portion of the pressure input member is connected with a connecting ear, and the connecting ear is arranged on the first surface and fixed to the frame. In this way, the pressure input member and the structure directly or indirectly connected to the pressure input member (such as the first driving member, the second driving member, the first bending deformation sensor, the second bending deformation sensor, the elastic member and the supporting member) can be connected to the frame by means of the connecting ear. Since the connecting ear is arranged on the first surface, the operating space on the first surface is large, so the installation operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A perspective view of an electronic device provided for some embodiments of the present application;

[0039] Figure 2 for Figure 1 a schematic diagram of the exploded structure of the electronic device shown;

[0040] Figure 3 Handheld for users Figure 1 Schematic diagram of the electronic device shown;

[0041] Figure 4 A three-dimensional diagram of a key provided for some embodiments of the present application;

[0042] Figure 5 for Figure 4A schematic diagram of the exploded structure of the buttons shown;

[0043] Figure 6 for Figure 5 a cross-sectional view of the key shown;

[0044] Figure 7 for Figure 6 The schematic diagram of the structure of the cantilever part in the key after bending and deformation under the action of pressing force;

[0045] Figure 8 A bottom view of a first cantilever beam in a key provided in some embodiments of the present application;

[0046] Fig. 9 A bottom view of a first cantilever beam in a key provided in some other embodiments of the present application;

[0047] Fig.10 A circuit block diagram of a first bending deformation sensor provided in some embodiments of the present application;

[0048] Fig.11 An internal circuit diagram of an electronic device provided for some embodiments of the present application;

[0049] Fig.12 for Figure 6 A schematic diagram of a state of the button shown when it is subjected to pressure from a user;

[0050] Fig.13 for Figure 6 A schematic diagram of another state of the button when it is subjected to pressure from the user;

[0051] Fig.14 for Figure 6 A schematic diagram of a state of the button shown at a first moment, a second moment and a third moment;

[0052] Fig.15 for Figure 6 A schematic diagram of another state of the button at the first moment, the second moment and the third moment;

[0053] Fig.16 A schematic diagram of a cross-sectional structure of a key provided in some other embodiments of the present application;

[0054] Fig.17 For users to apply Figure 6 A curve diagram showing the relationship between the pressing force of the key and the bending deformation of the cantilever portion;

[0055] Fig.18 for Figure 6 The buttons shown are used for Figure 1 A schematic diagram of the cross-sectional structure of the electronic device shown at line AA;

[0056] Fig.19 A three-dimensional diagram of a key provided in some other embodiments of the present application;

[0057] Fig. 20 for Fig.19 A schematic diagram of the exploded structure of the buttons shown;

[0058] Fig.21 for Fig.19 A schematic diagram of the cross-sectional structure of the button shown;

[0059] Fig. 22 for Fig.21 The buttons shown are used for Figure 1 A schematic diagram of the cross-sectional structure of the electronic device shown at line AA;

[0060] Fig.23 A three-dimensional diagram of a key provided in some other embodiments of the present application;

[0061] Fig.24 for Fig.23 A schematic diagram of the exploded structure of the buttons shown;

[0062] Fig.25 A three-dimensional diagram of a key provided in some other embodiments of the present application;

[0063] Fig.26 for Fig.25 A schematic diagram of the exploded structure of the buttons shown;

[0064] Fig. 27 for Fig.25 A schematic diagram of the cross-sectional structure of the button shown;

[0065] Fig.28 A three-dimensional diagram of a key provided in some other embodiments of the present application;

[0066] Fig.29 for Fig.28 A schematic diagram of the exploded structure of the buttons shown;

[0067] Fig.30 A schematic diagram of a cross-sectional structure of a key provided in some other embodiments of the present application;

[0068] Fig.31 for Figure 2 A three-dimensional diagram of another assembly structure of a frame and buttons in the electronic device shown;

[0069] Fig.32 for Fig.31 An exploded structural diagram of the assembly structure shown;

[0070] Fig.33 for Fig.31 A schematic diagram of the cross-sectional structure of the assembly structure shown;

[0071] Fig.34 for Fig.31 Schematic diagram of the exploded structure of the buttons in the assembly structure shown. DETAILED DESCRIPTION

[0072] In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0073] In the embodiments of the present application, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0074] The embodiment of the present application provides an electronic device, which is a type of device with buttons. Specifically, the electronic device can be a user equipment (UE) or a terminal device (terminal), for example, the electronic device can be a tablet computer (portable android device, PAD), a personal digital assistant (personal digital assistant, PDA), a handheld device with wireless communication function, a computing device, a vehicle-mounted device, a wearable device, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal in a smart city (smart city), a wireless terminal in a smart home (smart home), and other mobile terminals or fixed terminals. The form of the electronic device in the embodiment of the present application is not specifically limited.

[0075] See also Figure 1 , Figure 1A stereoscopic diagram of an electronic device 10 is provided for some embodiments of the present application. This embodiment and the embodiments below are exemplified by taking the electronic device 10 as a mobile phone. The electronic device 10 is roughly in the shape of a rectangular flat plate. Based on this, in order to facilitate the description of the embodiments below, an XYZ coordinate system is established, and the width direction of the electronic device 10 is specifically defined as the X-axis direction, the length direction of the electronic device 10 is the Y-axis direction, and the thickness direction of the electronic device 10 is the Z-axis direction. It can be understood that the coordinate system of the electronic device 10 can be flexibly set according to actual needs, and no specific limitation is made here. When the electronic device 10 is other products, the electronic device 10 can also be roughly in the shape of a cube, a column, a sphere, an ellipsoid or other irregular shapes, etc., which are not specifically limited here.

[0076] Please continue reading Figure 1 The electronic device 10 includes a screen 1, a housing 2 and buttons 3.

[0077] Understandably, Figure 1 The electronic device 10 includes some components, and the actual shape, size, position and structure of these components are not limited to the following. Figure 1 In some other embodiments, the electronic device 10 may not include the screen 1.

[0078] Screen 1 is used to display images, videos, etc. Screen 1 may include a translucent cover plate and a display screen. The translucent cover plate and the display screen are stacked. The translucent cover plate is mainly used to protect the display screen and prevent dust. The material of the translucent cover plate includes but is not limited to glass. The display screen may be a flexible display screen or a rigid display screen. For example, the display screen may be an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED) display screen, a mini light-emitting diode (mini light-emitting diode) display screen, a micro light-emitting diode (microlight-emitting diode) display screen, a micro organic light-emitting diode (micro organic light-emitting diode) display screen, a quantum dot light emitting diode (QLED) display screen, or a liquid crystal display (LCD).

[0079] The housing 2 is used to protect the internal electronic components of the electronic device 10. Figure 2 , Figure 2 for Figure 1 As shown in the exploded structural diagram of the electronic device 10 , the housing 2 may include a back cover 21 and a frame 22 .

[0080] The back cover 21 is located on the back side of the screen 1 and is spaced apart from the screen 1. The back side of the screen 1 refers to the side of the screen 1 that is away from the display surface, and the display surface refers to the surface of the screen 1 for displaying videos and images.

[0081] The frame 22 is located between the back cover 21 and the screen 1. The frame 22 is fixed to the back cover 21. Exemplarily, the frame 22 can be fixedly connected to the back cover 21 by adhesive. The frame 22 can also be an integrally formed structure with the back cover 21, that is, the frame 22 and the back cover 21 are an integral structure. The screen 1 can be fixed to the frame 22 by adhesive.

[0082] In some embodiments, the frame 22 includes an upper frame 22a, a lower frame 22b, a left frame 22c and a right frame 22d. The upper frame 22a, the right frame 22d, the lower frame 22b, and the left frame 22c are connected end to end to form a rectangular frame structure.

[0083] Among them, it should be noted that the "upper frame" in the above embodiment refers to the section on the frame 22 that is above the user's line of sight when the electronic device 10 is in use and the user's line of sight is facing the display surface of the screen 1. Similarly, the "lower frame" refers to the section on the frame 22 that is below the user's line of sight when the electronic device 10 is in use and the user's line of sight is facing the display surface of the screen 1. The "left frame" refers to the section on the frame 22 that is on the left side of the user's line of sight when the electronic device 10 is in use and the user's line of sight is facing the display surface of the screen 1. The "right frame" refers to the section on the frame 22 that is on the right side of the user's line of sight when the electronic device 10 is in use and the user's line of sight is facing the display surface of the screen 1.

[0084] In some embodiments, please refer to Figure 2 The housing 2 also includes a middle plate 23. The middle plate 23 is located between the screen 1 and the back cover 21, and the middle plate 23 is fixed to the frame 22. For example, the middle plate 23 can be fixed to the frame 22 by welding. The middle plate 23 can also be an integrally formed structure with the frame 22. The structural member composed of the middle plate 23 and the frame 22 can be called a middle frame, which is used as the structural "skeleton" of the electronic device 10 to support and fix the internal electronic components of the electronic device 10.

[0085] Among them, the internal electronic components of the electronic device 10 include but are not limited to a main board, a sub-board, a battery, a speaker module, a camera module, an earpiece and a vibration motor.

[0086] A receiving cavity is formed between the middle plate 23 and the back cover 21 , and the receiving cavity is used to receive the internal electronic components of the electronic device 10 .

[0087] The button 3 can be set on the frame 22 to serve as a side button of the electronic device 10, or can be set on the screen 1 to serve as a front button of the electronic device 10, or can be set on the back cover 21 to serve as a back button of the electronic device 10.

[0088] This embodiment and the following embodiments are illustrative in that the button 3 is disposed on the frame 22 as a side button of the electronic device 10, which cannot be regarded as a special limitation to the present application.

[0089] For details, please refer to Figure 1 , the button 3 can be set in the middle and upper section of the right frame 22d. The midpoint position of the right frame 22d in the length direction is the first position, the end position of the right frame 22d connected to the upper frame 22a is the second position, and the middle and upper section of the right frame 22d refers to the section on the right frame 22d located between the first position and the second position. In this way, please refer to Figure 3 The user can hold the electronic device 10 in the right hand and press the button 3 with the right thumb to trigger the function corresponding to the button 3. This one-handed operation is convenient and the user experience is better.

[0090] Of course, in other embodiments, the button 3 may also be arranged on the upper frame 22a, the lower frame 22b or the left frame 22c, and this application does not make any specific limitation on this.

[0091] The button 3 is used to trigger one or more functions of the electronic device 10, such as one or more functions of turning on, turning off, turning on and off the screen, adjusting the volume, turning pages, taking a photo, etc.

[0092] In this embodiment, the button 3 is a pressure button, which has a built-in pressure sensing component for detecting the user's pressing force. Different thresholds can be set according to the pressing force to achieve multiple different functions on a single button 3. In this way, multiple functions can be integrated on the same button 3, reducing the number of buttons set on the electronic device and making the appearance neater. At the same time, in this embodiment, the button 3 can also provide vibration to the user's finger when the corresponding function is triggered, so that the user can perceive that the operation has been completed and prevent false triggering, thereby forming vibration feedback.

[0093] See also Figure 4 , Figure 4 The three-dimensional diagram of the key 3 provided in some embodiments of the present application. The key 3 includes a key cap 31, a transmission structure 32 and a vibration feedback device 33.

[0094] The key cap 31 is roughly in the shape of a rectangular plate. In other embodiments, the key cap 31 may also be in the shape of a disc, an elliptical plate, a block, etc., which is not specifically limited in the present application.

[0095] The key cap 31 may be made of metal such as stainless steel, aluminum alloy, magnesium aluminum alloy, titanium alloy, etc., or may be made of non-metal such as polycarbonate (PC), PC+glass fiber, ABS plastic (acrylonitrile butadiene styrene plastic), etc.

[0096] The key cap 31 includes a pressing surface S1 , which is used to contact with a finger of a user to withstand a pressing force F from the finger.

[0097] The transmission structure 32 is located on a side of the key cap 31 facing away from the pressing surface S1 , and is used to transmit the pressing force F acting on the key cap 31 to the vibration feedback device 33 .

[0098] The transmission structure 32 may include one transmission member or multiple transmission members, wherein “multiple” means two or more.

[0099] In some embodiments, see Figure 4 The transmission structure 32 includes two transmission members, which are a first transmission member 321 and a second transmission member 322. The first transmission member 321 and the second transmission member 322 are arranged at intervals along the length direction of the key cap 31.

[0100] With the help of the first transmission member 321 and the second transmission member 322 in contact with the keycap 31, the keycap 31 can be prevented from being skewed or even stuck due to the pressing pressure of the finger. At the same time, the first transmission member 321 and the second transmission member 322 transmit the pressing force from the keycap 31 to two different positions on the vibration feedback device 33, which can avoid stress concentration and extend the service life of the vibration feedback device 33.

[0101] The shapes of the first transmission member 321 and the second transmission member 322 include but are not limited to rod-shaped, block-shaped or column-shaped. The present application is exemplified by the first transmission member 321 and the second transmission member 322 being rod-shaped, which cannot be regarded as a special limitation of the present application.

[0102] The first transmission member 321 and the second transmission member 322 may be connected to the key cap 31. Specifically, the first transmission member 321 and the second transmission member 322 may be clamped, threaded, welded, bonded, or integrally formed with the key cap 31. Figure 4The first transmission member 321, the second transmission member 322 and the key cap 31 are integrally formed for exemplary description, which cannot be regarded as a special limitation of the present application. In other embodiments, the first transmission member 321 and the second transmission member 322 may also be in contact with the key cap 31 but not connected, and the present application does not make specific limitations on this.

[0103] In other embodiments, the key 3 may not be provided with the transmission structure 32, and the key cap 31 may be directly connected to the vibration feedback device 33, or may be in contact with but not connected to the key cap 31, so as to directly transmit the pressing force F acting on the key cap 31 to the vibration feedback device 33. In this way, the transmission path of the pressing force F can be shortened, and the transmission efficiency of the pressing force F can be improved.

[0104] The vibration feedback device 33 is located on the side of the transmission structure 32 facing away from the keycap 31. The vibration feedback device 33 is used to sense the pressure transmitted by the transmission structure 32, and the vibration feedback device 33 can also generate vibration, which can be transmitted back to the keycap 31 via the transmission structure 32 to feedback to the user, so that the user knows that the trigger operation has been completed.

[0105] See also Figure 5 and Figure 6 , Figure 5 for Figure 4 The schematic diagram of the exploded structure of button 3 is shown in FIG. Figure 6 for Figure 5 The sectional view of the key 3 is shown. The vibration feedback device 33 comprises a base 331 , a pressure input member 332 , a first driving member, a second driving member, a first bending deformation sensor 335 , a second bending deformation sensor 336 and at least one elastic member 337 . Figure 6 The middle base 331 has been cut, and the other structural parts have not been cut.

[0106] The base 331 can be independent of the shell 2 of the electronic device 10 and other internal structural parts and relatively fixed to the shell 2 of the electronic device 10, or it can be formed by the shell 2 of the electronic device 10 or other internal structural parts. This embodiment and the following embodiments are exemplified by the fact that the base 331 is independent of the shell 2 of the electronic device and other internal structural parts and relatively fixed to the shell 2 of the electronic device 10, which cannot be regarded as a special limitation on the present application.

[0107] The base 331 includes a bottom wall portion 331a and a first side wall portion 331b and a second side wall portion 331c connected to the bottom wall portion 331a. The first side wall portion 331b and the second side wall portion 331c are opposite to each other and spaced apart.

[0108] In some embodiments, please refer to Figure 5The base 331 may further include a third side wall portion 331d and a fourth side wall portion 331e connected to the bottom wall portion 331a. The third side wall portion 331d and the fourth side wall portion 331e are opposite to each other and spaced apart, and the third side wall portion 331d is connected between one end of the first side wall portion 331b and one end of the second side wall portion 331c, and the fourth side wall portion 331e is connected between the other end of the first side wall portion 331b and the other end of the second side wall portion 331c.

[0109] Based on this, the first side wall portion 331b, the second side wall portion 331c, the third side wall portion 331d, the fourth side wall portion 331e and the bottom wall portion 331a form a receiving groove, which can accommodate structural parts such as the first driving member, the second driving member, the first elastic member 337 and the second elastic member 338 to protect these structural parts from scratches, dust and water.

[0110] In other embodiments, the base 331 may not be provided with the bottom wall portion 331 a , the third side wall portion 331 d and the fourth side wall portion 331 e .

[0111] The material of the base 331 can be metal such as stainless steel, aluminum alloy, magnesium aluminum alloy, titanium alloy, etc., or non-metal such as PC, PC+glass fiber, ABS plastic, etc. When the material of the base 331 is metal, while ensuring the structural strength of the base 331, the wall thickness can be reduced, which is conducive to the miniaturization of the vibration feedback device 33. At the same time, the base 331 can also play an electromagnetic shielding role to avoid electromagnetic interference between the external magnetic structure and the internal electromagnet 333.

[0112] The base 331 may be a whole structure or may be formed by assembling multiple parts. This embodiment is exemplified by taking the base 331 as a whole structure, which cannot be regarded as a special limitation to the present application.

[0113] Please refer to Figure 5 and Figure 6 The pressure input member 332 is used to receive the pressing force from the transmission structure 32 and deform under the action of the pressing force.

[0114] For details, please refer to Figure 5 and Figure 6 The pressure input member 332 includes a fixing portion and a cantilever portion 3323 connected to the fixing portion.

[0115] The fixing portion is fixed to the base 331 , and the cantilever portion 3323 is located on a side of the keycap 31 that is opposite to the pressing surface S1 . In some embodiments, the cantilever portion 3323 is located on a side of the transmission structure 32 that is opposite to the keycap 31 .

[0116] The pressing force F acting on the pressing surface S1 of the key cap 31 can be transmitted to the cantilever portion 3323 via the transmission structure 32, so that the cantilever portion 3323 is bent and deformed in a direction away from the key cap 31. Figure 7 , Figure 7 for Figure 6 The schematic diagram of the structure of the cantilever portion 3323 in the button 3 after bending and deformation under the action of the pressing force F is shown.

[0117] In this way, the vibration feedback device 33 can detect the pressing force by detecting the bending deformation of the cantilever portion 3323 .

[0118] In the above embodiment, please continue to refer to Figure 5 and Figure 6 Optionally, the fixing portion includes a first fixing portion 3321 and a second fixing portion 3322, the first fixing portion 3321 and the second fixing portion 3322 are fixed on the base 331, and the cantilever portion 3323 is connected between the first fixing portion 3321 and the second fixing portion 3322. In this way, both ends of the pressure input member 332 are fixed, and the middle portion forms the cantilever portion 3323, which has a smaller bending amplitude and higher stability and reliability.

[0119] In other embodiments, the fixing portion may only include one of the first fixing portion 3321 and the second fixing portion 3322 , while the other of the first fixing portion 3321 and the second fixing portion 3322 is not included.

[0120] Based on the above embodiment, optional, please continue to refer to Figure 5 and Figure 6 The first fixing portion 3321 is fixed to the first side wall portion 331b, and the second fixing portion 3322 is fixed to the second side wall portion 331c. The bottom wall portion 331a is located on a side of the cantilever portion 3323 facing away from the key cap 31 and is spaced apart from the cantilever portion 3323.

[0121] In this way, when a pressing force F is applied to the pressing surface S1, the cantilever portion 3323 can be bent and deformed toward the bottom wall portion 331a, thereby forming an escape space required for the bending and deformation of the cantilever portion 3323 with the help of the base 331, thereby preventing the cantilever portion 3323 from interfering with other structural components in the electronic device.

[0122] In the above embodiment, the first fixing portion 3321 can be fixed to the first side wall portion 331b by means of welding, bonding, riveting, screw locking, etc., and the second fixing portion 3322 can also be fixed to the second side wall portion 331c by means of welding, bonding, riveting, screw locking, etc.

[0123] In some embodiments, please refer back to Figure 5 and Figure 6The vibration feedback device 33 may further include a first fixing member 338. The first fixing member 338 includes a first fixing plate 338a and a second fixing plate 338b.

[0124] The first fixing plate 338a can be fixed to the surface of the first side wall portion 331b facing away from the second side wall portion 331c by welding, bonding, screw locking, riveting, etc. The second fixing plate 338b is fixed to and intersects with the first fixing plate 338a. The second fixing plate 338b is provided with a seventh through hole a7, and the first fixing portion 3321 can be connected to the seventh through hole a7 of the second fixing plate 338b.

[0125] Specifically, the first fixing portion 3321 can be connected to the seventh through hole a7 of the second fixing plate 338b by means of connecting members such as screws, rivets, bolts and nuts.

[0126] In some embodiments, please refer to Figure 5 , the first fixing part 3321 is connected to the seventh through hole a7 of the second fixing plate 338b by means of a bolt K1 and a nut K2. Specifically, the first fixing part 3321 can be stacked with the second fixing plate 338b, and the first fixing part 3321 is provided with an eighth through hole a8, which is opposite to and connected with the seventh through hole a7. The head of the bolt K1 is located on the side of the second fixing plate 338b facing away from the first fixing part 3321, a part of the rod of the bolt K1 is penetrated in the seventh through hole a7 and the eighth through hole a8, and the other part of the rod of the bolt K1 is located on the side of the first fixing part 3321 facing away from the second fixing plate 338b, and the nut K2 is threadedly connected to the other part of the rod.

[0127] In this way, there is inevitably a gap between the inner wall of the hole for installing the bolt K1 on the first fixing portion 3321 and the second fixing plate 338b and the rod of the bolt K1, so that the first fixing portion 3321 has a movable margin along the length direction of the cantilever portion 3323 relative to the second fixing plate 338b, so that the cantilever portion 3323 can be bent and deformed toward the bottom wall portion 331a under the action of the pressing force F. This structure is simple and easy to implement.

[0128] Similarly, in some embodiments, please continue to refer to Figure 5 and Figure 6, the vibration feedback device 33 may further include a second fixing member 339. The structure of the second fixing member 339 may be the same as that of the first fixing member 338. The second fixing member 339 is fixed to the surface of the second side wall portion 331c that is opposite to the first side wall portion 331b, and the second fixing portion 3322 is connected to the second fixing member 339 by means of a bolt N1 and a nut N2. Specifically, the connection method of the second side wall portion 331c, the second fixing member 339, and the second fixing portion 3322 may also be the same as the connection method of the first side wall portion 331b, the first fixing member 338, and the first fixing portion 3321, thereby increasing the bending deformation amount of the cantilever portion 3323 toward the bottom wall portion 331a under the action of the pressing force F, thereby improving the detection sensitivity of the sensor.

[0129] In some other embodiments, the cantilever portion 3323 can also be arched toward the transmission structure 32 in its entirety or in part in a free state. In this way, the cantilever portion 3323 is in a slightly bent state, and the cantilever portion 3323 itself has the ability to bend toward the bottom wall portion 331a. On this basis, the first fixing portion 3321 and the second fixing portion 3322 can be fixed to the first fixing member 338 and the second fixing member 339 respectively by welding, bonding, or other fixing methods.

[0130] In some embodiments, please refer to Figure 5 The first transmission member 321 and the second transmission member 322 are arranged at intervals along the arrangement direction of the first fixing portion 3321 and the second fixing portion 3322. In this way, the first transmission member 321 and the second transmission member 322 transmit the pressing force from the keycap 31 to two different positions on the cantilever portion 3323, which can avoid stress concentration and extend the service life of the vibration feedback device 33.

[0131] Based on any of the above embodiments, the fixed portion and the cantilever portion in the pressure input member 332 may be an integral structural member, or may be formed by connecting a plurality of structural members.

[0132] In some embodiments, please refer to Figure 5 The pressure input member 332 includes a first cantilever beam 332a, a second cantilever beam 332b and a connecting beam 332c.

[0133] The first cantilever beam 332 a and the second cantilever beam 332 b are disposed at intervals along the arrangement direction of the first fixing portion 3321 and the second fixing portion 3322 .

[0134] The end of the first cantilever beam 332 a away from the second cantilever beam 332 b forms the first fixing portion 3321 , and the end of the second cantilever beam 332 b away from the first cantilever beam 332 a forms the second fixing portion 3322 .

[0135] The connecting beam 332c is connected between the end of the first cantilever beam 332a facing the second cantilever beam 332b and the end of the second cantilever beam 332b facing the first cantilever beam 332a.

[0136] The remaining portion of the first cantilever beam 332a except the first fixing portion 3321 , the remaining portion of the second cantilever beam 332b except the second fixing portion 3322 , and the connecting beam 332c constitute the cantilever portion 3323 .

[0137] In this way, the pressure input component 332 is formed by connecting three structural components, and the three structural components can be designed differently according to needs to maximize the performance of the pressure input component 332.

[0138] Based on any of the above embodiments, the transmission structure 32 may be connected to the cantilever portion 3323 , or may be in contact with the cantilever portion 3323 but not connected thereto.

[0139] In some embodiments, please refer to Figure 5 The end of the first cantilever beam 332a facing the connecting beam 332c is provided with a first through hole a1, and the end of the connecting beam 332c facing the first cantilever beam 332a is provided with a second through hole a2. The first through hole a1 is opposite to the second through hole a2 and is connected to form a fifth through hole a5.

[0140] The end of the second cantilever beam 332b facing the connecting beam 332c is provided with a third through hole a3, and the end of the connecting beam 332c facing the second cantilever beam 332b is provided with a fourth through hole a4. The third through hole a3 is opposite to the fourth through hole a4 and is connected to form a sixth through hole a6.

[0141] On the basis of the above, please continue to refer to Figure 5 The first transmission member 321 can be connected to the fifth through hole a5 by means of connecting members such as screws, rivets, and bolts, and the second transmission member 322 can be connected to the sixth through hole a6 by means of connecting members such as screws, rivets, and bolts.

[0142] In this way, on the one hand, the connection between the first transmission member 321, the second transmission member 322 and the cantilever portion 3323 is realized. On the other hand, the connection between the first cantilever beam 332a and the connecting beam 332c, and the connection between the second cantilever beam 332b and the connecting beam 332c are also realized. In this way, the structural complexity of the key 3 can be reduced and the assembly efficiency can be improved.

[0143] The first fixing portion 3321 is the fixing end of the first cantilever beam 332a, and the end of the first cantilever beam 332a facing the connecting beam 332c is the cantilever end of the first cantilever beam 332a. The second fixing portion 3322 is the fixing end of the second cantilever beam 332b, and the end of the second cantilever beam 332b facing the connecting beam 332c is the cantilever end of the second cantilever beam 332b.

[0144] Based on this, when receiving the pressing force from the transmission structure 32, please refer to Figure 7 The cantilever end of the first cantilever beam 332a is bent toward the bottom wall portion 331a relative to the fixed end of the first cantilever beam 332a, and the cantilever end of the second cantilever beam 332b is bent toward the bottom wall portion 331a relative to the fixed end of the second cantilever beam 332b.

[0145] On the basis of the above, because the first transmission member 321 is connected to the first through hole a1 by means of connecting members such as screws, rivets, and bolts, and the second transmission member 322 is connected to the third through hole a3 by means of connecting members such as screws, rivets, and bolts, there will inevitably be gaps between the inner wall of the first through hole a1 and the connecting member in the first through hole a1, and between the inner wall of the third through hole a3 and the connecting member in the third through hole a3, so the cantilever end of the first cantilever beam 332a can be connected along the first cantilever beam 332a relative to the connecting member in the first through hole a1. 2a, and at the same time, the cantilever end of the second cantilever beam 332b can also produce a slight displacement along the length direction of the second cantilever beam 332b relative to the connecting piece in the third through hole a3, so that the cantilever end of the first cantilever beam 332a can produce a slight bending deformation toward the bottom wall portion 331a relative to the fixed end of the first cantilever beam 332a, and the cantilever end of the second cantilever beam 332b can produce a slight bending deformation toward the bottom wall portion 331a relative to the fixed end of the second cantilever beam 332b.

[0146] In addition, because the first transmission member 321 is also connected to the second through hole a2 by means of connecting members such as screws, rivets, and bolts, and the second transmission member 322 is also connected to the fourth through hole a4 by means of connecting members such as screws, rivets, and bolts, there will inevitably be gaps between the inner wall of the second through hole a2 and the connecting member in the second through hole a2, and between the inner wall of the fourth through hole a4 and the connecting member in the fourth through hole a4. Therefore, the connecting beam 332c can produce a slight displacement along the length direction of the connecting beam 332c relative to the connecting members in the second through hole a2 and the fourth through hole a4, so that the middle section of the connecting beam 332c along its own length direction can produce a slight degree of bending deformation in the direction close to or away from the bottom wall portion 331a.

[0147] Optional, see Figure 5 The vibration feedback device 33 also includes a first screw A1 and a second screw A2.

[0148] The head of the first screw A1 is located on the side of the cantilever portion 3323 facing away from the keycap 31, and the shank of the first screw A1 passes through the fifth through hole a5 and is connected to the first transmission member 321. The head of the second screw A2 is located on the side of 3323 facing away from the keycap 31, and the shank of the second screw A2 passes through the sixth through hole a6 and is connected to the second transmission member 322. This structure is simple and easy to implement.

[0149] In some other embodiments, when the first cantilever beam 332a, the second cantilever beam 332b and the connecting beam 332c are in a slightly bent state in a free state, the first cantilever beam 332a and the connecting beam 332c, the second cantilever beam 332b and the connecting beam 332c, the first transmission member 321 and the first cantilever beam 332a and the connecting beam 332c, and the second transmission member 322 and the second cantilever beam 332b and the connecting beam 332c can also be connected by welding, bonding or other fixing methods, and the present application does not make any specific limitation on this.

[0150] According to the description of the above embodiments, please refer to Figure 7 Under the action of the pressing force F, the partial cantilever portion 3323 between the first fixed portion 3321 and the first transmission member 321 (the partial cantilever portion 3323 is located at the first cantilever beam 332a), and the partial cantilever portion 3323 between the second fixed portion 3322 and the second transmission member 322 (the partial cantilever portion 3323 is located at the second cantilever beam 332b) are bent and deformed.

[0151] On the basis of the above, optional, see Figure 8 , Figure 8 A bottom view of the first cantilever beam 332a in the key 3 provided in some embodiments of the present application. In this embodiment, a first opening T1 is provided on the partial cantilever portion 3323 between the first fixed portion 3321 and the first transmission member 321, and the first opening T1 extends from the first fixed portion 3321 to the first transmission member 321. With the help of the first opening T1, the elasticity of the partial cantilever portion 3323 between the first fixed portion 3321 and the first transmission member 321 can be increased, thereby reducing the pressing force applied by the user to the keycap 31 under the premise that the deformation amount of the partial cantilever portion 3323 is certain, thereby improving the operating feel of the key 3.

[0152] In the above embodiment, optionally, the first opening T1 can be connected to the eighth through hole a8 and the first through hole a1, and the width w of the first opening T1 can be smaller than the diameter D1 of the eighth through hole a8 and the diameter D2 of the first through hole a1. In this way, the first cantilever beam 332a has better elasticity, which can effectively improve the operating feel of the button 3, and can prevent the bolt K1 and the first screw A1 from moving into the first opening T1.

[0153] In some other embodiments, see Fig. 9 , Fig. 9This is a bottom view of the first cantilever beam 332a in the key 3 provided in some other embodiments of the present application. In this embodiment, the width w of the first opening T1 is equal to the diameter D1 of the eighth through hole a8 and the diameter D2 of the first through hole a1. In this way, the width w of the first opening T1 is larger, which can further increase the elasticity of the first cantilever beam 332a and improve the operating feel of the key 3.

[0154] In some other embodiments, the first opening T1 may not be connected to at least one of the eighth through hole a8 and the first through hole a1. In addition, in addition to the first opening T1, other openings may be provided on the first cantilever beam 332a, which is not specifically limited in the present application.

[0155] Similarly, a second opening (not shown in the figure) may also be provided on the partial cantilever portion 3323 between the second fixing portion 3322 and the second transmission member 322, and the second opening extends from the second fixing portion 3322 to the second transmission member 322. The second opening may increase the elasticity of the partial cantilever portion 3323 between the second fixing portion 3322 and the second transmission member 322. Thus, under the premise that the deformation amount of the partial cantilever portion 3323 is certain, the pressing force applied by the user to the keycap 31 may be reduced, thereby improving the operating feel of the key 3.

[0156] The structural form of the second opening may be the same as the structural form of the first opening T1 described in any of the above embodiments, and will not be described in detail herein.

[0157] Based on any of the above embodiments, please refer to Figure 5 and Figure 6 The first bending deformation sensor 335 and the second bending deformation sensor 336 are disposed on the cantilever portion 3323 to detect the bending deformation amount of the cantilever portion 3323 .

[0158] In some embodiments, please refer to Figure 6 The first bending deformation sensor 335 may be disposed at a portion of the cantilever portion 3323 between the first fixing portion 3321 and the first transmission member 321 . The second bending deformation sensor 336 is disposed at a portion of the cantilever portion 3323 between the second fixing portion 3322 and the second transmission member 322 .

[0159] The deformation modes of the partial cantilever portion 3323 between the first fixed portion 3321 and the first transmission member 321, and the partial cantilever portion 3323 between the second fixed portion 3322 and the second transmission member 322 are fixed, and the bending deformation amount is large under the action of pressing force, so the detection accuracy and sensitivity of the first bending deformation sensor 335 and the second bending deformation sensor 336 are high.

[0160] In some embodiments, please refer to Figure 6The first bending deformation sensor 335 and the second bending deformation sensor 336 can be arranged on the surface of the cantilever portion 3323 facing the bottom wall portion 331a, and the first bending deformation sensor 335 and the second bending deformation sensor 336 are accommodated in the base 331. In this way, the first bending deformation sensor 335 and the second bending deformation sensor 336 can be protected by the base 331 to prevent the sensors from being exposed and falling or scratched.

[0161] Of course, in some other embodiments, the first bending deformation sensor 335 and the second bending deformation sensor 336 may also be disposed on the surface of the cantilever portion 3323 facing away from the bottom wall portion 331a. In this way, the sensors are exposed, which is convenient for debugging and assembly.

[0162] In any of the above embodiments, the first bending deformation sensor 335 and the second bending deformation sensor 336 may be a resistance strain gauge, a Wheatstone bridge sensor, a capacitive bending strain sensor, an optical fiber sensor, a microelectro mechanical systems (MEMS) sensor, and the like.

[0163] In some embodiments, see Fig.10 , Fig.10 The circuit block diagram of the first bending deformation sensor 335 provided in some embodiments of the present application. In this embodiment, the first bending deformation sensor 335 is a Wheatstone bridge sensor, and the first bending deformation sensor 335 includes four bridge arms, namely, a first bridge arm m1, a second bridge arm m2, a third bridge arm m3, and a fourth bridge arm m4, each of which can be formed by a resistance strain gauge. The arrangement of the four bridge arms is not limited to Fig.10 The prismatic arrangement shown can also be a rectangular or square arrangement. The first bending deformation sensor 335 has two excitation application ends, namely a first excitation application end a and a second excitation application end b; the first bending deformation sensor 335 also has two output ends, namely a first output end c and a second output end d.

[0164] When an excitation voltage is applied to the first bending deformation sensor 335 with the help of the first excitation application terminal a and the second excitation application terminal b, and the partial cantilever portion 3323 between the first fixed portion 3321 and the first transmission member 321 is bent, the four bridge arms are also bent and deformed, causing the resistance of the four bridge arms to change, thereby changing the output voltage of the first output terminal c and the second output terminal d.

[0165] The output voltages of the first output terminal c and the second output terminal d are positively correlated with the bending amount of the cantilever portion 3323, thereby realizing the detection of the bending deformation amount.

[0166] The Wheatstone bridge sensor has strong anti-interference ability, high detection accuracy and sensitivity, and can improve the control accuracy of the buttons.

[0167] On the basis of the above, the structure of the second bending deformation sensor 336 may be the same as that of the first bending deformation sensor 335 , which will not be elaborated herein.

[0168] Based on any of the above embodiments, the pressure input member 332, the first bending deformation sensor 335 and the second bending deformation sensor 336 constitute a pressure sensing assembly of the key 3. In the pressure sensing assembly, the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 reflect the pressing force applied to the key cap 31 by the user.

[0169] Based on the above, please refer to Fig.11 , Fig.11 The internal circuit diagram of the electronic device 10 provided in some embodiments of the present application. The electronic device 10 further includes a controller 4. The controller 4 includes but is not limited to a microcontroller unit (MCU) and a controller in a central processing unit (CPU).

[0170] The controller 4 is electrically connected to both the first bending deformation sensor 335 and the second bending deformation sensor 336. The controller 4 is used to send a control signal according to the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336.

[0171] For example, according to the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336, sending the control signal includes:

[0172] See also Fig.12 In the process where the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 gradually increase, when the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the first preset value, a first control signal is sent.

[0173] See also Fig.13 In the process where the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 gradually increase, when the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the second preset value, a second control signal is sent.

[0174] The second preset value is greater than the first preset value. Fig.13 The deformation amount generated by the middle cantilever portion 3323 is greater than Fig.12The deformation amount generated by the middle cantilever portion 3323, the first control signal and the second control signal are respectively used to realize the control of different functions.

[0175] For example, the first control signal is used to realize the screen on / off function, and the second control signal is used to realize the power on / off function.

[0176] In this way, according to the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336, two different pressing forces of the user's finger can be detected, and two different function controls can be implemented under the two pressing forces. In this way, the two function controls can be integrated on the same button 3, reducing the number of buttons set on the electronic device and making the appearance neater.

[0177] On the basis of the above embodiment, more thresholds may be set for the detection values ​​of the first bending deformation sensor 335 and the second bending deformation sensor 336 to integrate more functional controls, which is not specifically limited here.

[0178] In addition, the controller 4 may also send a control signal according to the variation pattern of the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 over time.

[0179] For example, see Fig.14 At the first moment t1, the detection value of the first bending deformation sensor 335 is greater than the detection value of the second bending deformation sensor 336, and the difference between the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 is greater than or equal to the third preset value.

[0180] At the second moment t2, the detection value of the first bending deformation sensor 335 is substantially equal to the detection value of the second bending deformation sensor 336. Specifically, the absolute value of the difference between the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 is less than the third preset threshold.

[0181] At the third time t3 , the detection value of the first bending deformation sensor 335 is smaller than the detection value of the second bending deformation sensor 336 , and the difference between the detection value of the second bending deformation sensor 336 and the detection value of the first bending deformation sensor 335 is greater than or equal to the third preset value.

[0182] The second moment t2 is located after the first moment t1, and the third moment t3 is located after the second moment t2.

[0183] The controller 4 sends a third control signal. The third control signal is used to realize the function of turning pages down or turning up the volume.

[0184] In this way, according to the variation pattern of the detection values ​​of the first bending deformation sensor 335 and the second bending deformation sensor 336 over time, it can be determined that the finger slides from top to bottom, thereby realizing the function of turning pages down or turning up the volume.

[0185] Instead, see Fig.15 At the first moment t1, the detection value of the first bending deformation sensor 335 is less than the detection value of the second bending deformation sensor 336, and the difference between the detection value of the second bending deformation sensor 336 and the detection value of the first bending deformation sensor 335 is greater than or equal to the third preset value.

[0186] At the second moment t2, the detection value of the first bending deformation sensor 335 is substantially equal to the detection value of the second bending deformation sensor 336. Specifically, the absolute value of the difference between the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 is smaller than the third preset value.

[0187] At the third time t3 , the detection value of the first bending deformation sensor 335 is greater than the detection value of the second bending deformation sensor 336 , and the difference between the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 is greater than or equal to the third preset value.

[0188] The controller 4 sends a fourth control signal. The fourth control signal is used to realize the function of turning pages upward or turning down the volume.

[0189] In this way, according to the variation pattern of the detection values ​​of the first bending deformation sensor 335 and the second bending deformation sensor 336 over time, it can be determined that the finger slides from bottom to top, and the function of turning pages upward or turning down the volume can be realized.

[0190] This allows for more diverse control operations, minimizes the number of buttons on the electronic device, and makes the appearance neater.

[0191] It should be noted that, in addition to the above four control logics, the controller 4 can also implement one or more other control logics based on the detection values ​​of the first bending deformation sensor 335 and the detection values ​​of the second bending deformation sensor 336, which will not be elaborated in this application.

[0192] In some other embodiments, see Fig.16 , Fig.16The schematic diagram of the cross-sectional structure of the button 3 provided in some embodiments of the present application. The vibration feedback device 33 may also not be provided with the second bending deformation sensor 336. In this way, different function controls can still be achieved by setting different thresholds according to different pressing forces with the help of the first bending deformation sensor 335, and the functional diversity of the button 3 can still be improved to a certain extent.

[0193] Based on any of the above embodiments, optionally, please refer to Figure 5 The first driving member may be an electromagnet 333, and the electromagnet 333 is disposed on the base 331. For example, the electromagnet 333 is disposed on the bottom wall portion 331a of the base 331. Specifically, the electromagnet 333 may be disposed on the surface of the bottom wall portion 331a facing the cantilever portion 3323, and the electromagnet 333 is accommodated in the receiving groove of the base 331. In this way, the base 331 can protect the electromagnet 333.

[0194] In some embodiments, please refer to Figure 5 , the electromagnet 333 may include a coil 333a and a magnetic core 333b. The coil 333a is wound by a wire. The magnetic core 333b is located in the area surrounded by the coil 333a, and the magnetic core 333b may include at least one stacked silicon steel sheet. The magnetic core 333b is used to enhance the magnetic field strength and improve the efficiency of the electromagnet 333. In other embodiments, the electromagnet 333 may not be provided with the magnetic core 333b.

[0195] The second driving member may be an armature 334, which is a magnetic material other than a permanent magnet and can be attracted by a permanent magnet or an electromagnet. The armature 334 is disposed on the cantilever portion 3323. In some embodiments, the armature 334 may be formed by at least a portion of the pressure input member 332. Figure 5 The armature 334 is formed by the connecting beam 332c in the pressure input member 332, that is, the armature 334 and the connecting beam 332c are a structural member. In this way, the structural complexity of the key 3 can be reduced, and the height of the key 3 in the X-axis direction can be reduced. In other embodiments, the armature 334 can also be independent of the pressure input member 332 and fixed to the cantilever portion 3323 in the pressure input member 332 by means of gluing, clamping, threading, riveting, etc., and this application does not make specific limitations on this.

[0196] In some other embodiments, the positions of the first driving member and the second driving member can be interchanged, that is, the positions of the electromagnet 333 and the armature 334 can be interchanged. Specifically, the electromagnet 333 is disposed on the cantilever portion 3323, and the armature 334 is disposed on the base 331. The following embodiments are further described on the basis that the electromagnet 333 is disposed on the base 331, and the armature 334 is disposed on the cantilever portion 3323, which cannot be regarded as a special limitation to the present application.

[0197] Please continue reading Figure 5 , at least one elastic member 337 is connected between the cantilever portion 3323 and the base 331. Specifically, the at least one elastic member 337 is connected between the cantilever portion 3323 and the bottom wall portion 331a. Figure 5 The number of the elastic members 337 may be two, and the two elastic members 337 are respectively located on opposite sides of the electromagnet 333. In other embodiments, the number of the elastic members 337 may also be one, or more than three, and the present application does not make any specific limitation on this.

[0198] The structural form of the elastic member 337 includes but is not limited to Figure 5 The C-shaped spring clip, L-shaped spring clip, S-shaped spring clip, straight-line spring clip, spiral spring, etc. shown are not specifically limited in this application.

[0199] Please refer to Figure 6 , the electromagnet 333 and the armature 334 are arranged at intervals, and the electromagnet 333 cooperates with the armature 334 and at least one elastic member 337 to drive the cantilever part 3323 to vibrate. Specifically, when the electromagnet 333 is powered on, the electromagnet 333 has magnetism, which can attract the armature 334 to move toward the electromagnet 333, and at the same time, the pressure input member 332 and the at least one elastic member 337 are deformed and accumulate elastic force; when the electromagnet 333 is powered off, the magnetism of the electromagnet 333 disappears, and the pressure input member 332 resets and rebounds under the action of its own elastic force and the elastic force of the elastic member 337. By at least one power-on and at least one power-off, the cantilever part 3323 can vibrate. The vibration can be transmitted to the keycap 31 via the transmission structure 32, so that the user's fingers can sense the vibration. When the keycap 31 is in direct contact or connection with the cantilever part 3323, the vibration generated by the cantilever part 3323 can be directly transmitted to the keycap 31.

[0200] In some other embodiments, when the elasticity of the pressure input member 332 is sufficient, the vibration feedback device 33 may not be provided with the at least one elastic member 337. Thus, when the electromagnet 333 attracts the armature 334 to move toward the electromagnet 333, the pressure input member 332 is deformed and accumulates elastic force, and when the magnetism of the electromagnet 333 disappears, the pressure input member 332 is reset and rebounded under the action of its own elastic force, thereby also generating vibration.

[0201] In this way, on the one hand, the vibration feedback device 33 is integrated in the button 3, the structure of the vibration feedback device 33 is simple, and the magnetism of the electromagnet 333 is relatively small, and the armature 334 will not be magnetized. Therefore, the gap width between the electromagnet 333 and the armature 334 (that is, the gap size in the X-axis direction) can be reduced to reduce the height of the vibration feedback device 33 and even the button 3 in the X-axis direction, which is further beneficial to reducing the volume of the button 3 and facilitating installation in an electronic device 10 with limited space.

[0202] On the other hand, since the first bending deformation sensor 335 and the second bending deformation sensor 336 are provided on the pressure input member 332, the first bending deformation sensor 335, the second bending deformation sensor 336 and the pressure input member 332 constitute a pressure sensing component of the key 3, and the pressure sensing component detects pressure by detecting the deformation of the pressure input member 332. At the same time, the pressure input member 332 is also used as the main body for generating vibration in the vibration feedback device 33, thereby realizing the integration of the pressure sensing component and the vibration feedback device 33, which is further conducive to reducing the volume of the key 3 and facilitating installation in electronic equipment with limited space.

[0203] In some embodiments, the controller 4 is further configured to control the electromagnet 333 to be energized or deenergized according to the detection values ​​of the first bending deformation sensor 335 and the second bending deformation sensor 336 .

[0204] For example, in the process that the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 gradually increase, when the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the first preset value, the first control signal is sent, and the electromagnet 333 is controlled to be energized and de-energized after the first preset time. Thus, when the first control signal is sent, the electromagnet 333 is controlled to be energized and de-energized after the first preset time, so as to drive the cantilever part 3323 of the pressure input member 332 to vibrate, and the vibration is fed back to the user.

[0205] As another example, in the process that the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 gradually increase, when the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the second preset value, a second control signal is sent, and the electromagnet 333 is controlled to be energized and powered off after the second preset time. The second preset time may be equal to the first preset time, or may be different from the first preset time, which is not specifically limited here. Thus, while sending the second control signal, the electromagnet 333 is controlled to be energized and powered off after the second preset time, so as to drive the cantilever portion 3323 of the pressure input member 332 to vibrate, and the vibration is fed back to the user.

[0206] See also Fig.17 , Fig.17 For users to apply Figure 6 The relationship curve of the pressing force F of the button 3 and the bending deformation amount S of the cantilever part 3323 is shown. As the pressing force F gradually increases, the bending deformation amount S of the cantilever part 3323 gradually increases, that is, the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 gradually increase. When the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the first preset value (the corresponding pressing force is F1), the first control signal is sent, and the electromagnet 333 is controlled to be energized and powered off after the first preset time. Therefore, while sending the first control signal, the electromagnet 333 is controlled to be energized and powered off after the first preset time, so as to drive the cantilever part 3323 of the pressure input member 332 to generate the first vibration, and the first vibration is fed back to the user to obtain the first vibration intensity. When the detection value of the first bending deformation sensor 335 and the detection value of the second bending deformation sensor 336 are both greater than or equal to the second preset value (the corresponding pressing force is F2), a second control signal is sent, and the electromagnet 333 is controlled to be energized and powered off after the second preset time. The second preset time may be equal to the first preset time, or may be different from the first preset time, which is not specifically limited here. Thus, while sending the second control signal, the electromagnet 333 is controlled to be energized and powered off after the second preset time, so as to drive the cantilever part 3323 of the pressure input member 332 to generate a second vibration, which is fed back to the user to obtain a second vibration intensity.

[0207] On the basis of the above, as the bending deformation S of the cantilever portion 3323 gradually increases, the armature 334 gradually approaches the electromagnet 333, and the gap width between the armature 334 and the electromagnet 333 gradually decreases. Assume that when the controller 4 sends a first control signal, the gap width between the armature 334 and the electromagnet 333 is the first gap width; when the controller 4 sends a second control signal, the gap width between the armature 334 and the electromagnet 333 is the second gap width. The second gap width is smaller than the first gap width. According to the principle of electromagnetic induction, the closer the distance between the electromagnet 333 and the armature 334, the greater the magnetic induction intensity, the greater the magnetic attraction, the greater the vibration amplitude generated, and the stronger the vibration perceived by the user. Therefore, please refer to Fig.17 , the second vibration intensity is greater than the first vibration intensity. In this way, the user can judge whether the controller 4 sends the first control signal or the second control signal according to the intensity of the vibration.

[0208] According to the above analysis, when the pressing force F is 0, the gap width between the electromagnet 333 and the armature 334 needs to be of a certain size so that the cantilever portion 3323 has sufficient bending margin under the pressing force F to set two or more thresholds, thereby integrating more than two control operations. If the gap width between the electromagnet 333 and the armature 334 is too large, the height of the key 3 in the X-axis direction is affected, or the height of the electromagnet 333 or the armature 334 is compressed.

[0209] On the basis of the above, optionally, when the pressing force F is 0, the gap width between the electromagnet 333 and the armature 334 can be greater than or equal to 0.03 millimeters (mm) and less than or equal to 0.1 mm. Specifically, the gap width can be 0.03 mm, 0.04 mm, 0.05 mm, 0.06 mm, 0.07 mm, 0.08 mm, 0.09 mm, 0.1 mm. In this way, the gap width between the electromagnet 333 and the armature 334 is moderate, which is convenient for the key 3 to integrate more than two control operations, and at the same time, the height of the key can be reduced, which is convenient for installation in electronic equipment with limited internal space, or the height of the electromagnet 333 or the armature 334 can be increased to increase the vibration intensity.

[0210] Because the armature 334 is at least part of the pressure input member 332, the armature 334 needs to have a certain elasticity so that the pressure input member 332 can accumulate elastic force after bending and rebound when the pressing force is withdrawn. In some embodiments, the elastic coefficient of the armature 334 is greater than or equal to 25 Newtons per millimeter (N / mm) and less than or equal to 60N / mm. Specifically, the elastic coefficient of the armature 334 can be 25N / mm, 30N / mm, 35N / mm, 40N / mm, 45N / mm, 50N / mm, 55N / mm or 60N / mm. In this way, the armature 334 is easier to find materials and has a lower cost while ensuring sufficient elasticity, which is conducive to reducing the cost of the button 3.

[0211] The magnetic permeability of the armature 334 is a factor that affects the magnetic attraction of the electromagnet 333 to it. The greater the magnetic permeability of the armature 334, the greater the attraction of the electromagnet 333 to it, and the greater the magnetic permeability of the armature 334, the higher the material cost of the armature 334. Based on this, in some embodiments, the magnetic permeability of the armature 334 can be greater than the magnetic permeability of stainless steel and less than the magnetic permeability of pure iron. In this way, the magnetic permeability of the armature 334 is better, the magnetic attraction of the electromagnet 333 to the armature 334 is greater, and the feedback vibration can be enhanced. At the same time, the material of the armature 334 is easy to find and the cost is low.

[0212] In some embodiments, the armature 334 is in the form of a sheet, and the thickness of the armature 334 is greater than or equal to 0.1 mm and less than or equal to 0.2 mm. Specifically, the thickness of the armature 334 can be 0.1 mm, 0.12 mm, 0.14 mm, 0.16 mm, 0.18 mm, or 0.2 mm. In this way, the thickness of the armature 334 is moderate, which can ensure the structural strength, and at the same time, the elasticity is better, which can improve the elasticity of the pressure input member 332 and increase the rebound ability.

[0213] The material of the armature 334 includes but is not limited to iron, nickel, cobalt, iron alloy, nickel alloy, cobalt alloy, etc. When the material of the armature 334 is an iron alloy, the material of the armature 334 includes but is not limited to stainless steel and silicon steel. Stainless steel is an iron-carbon alloy, and silicon steel is an iron-silicon alloy. In some embodiments, the material of the armature 334 is silicon steel, which has better magnetic permeability and better elasticity, meeting the use requirements of the button 3.

[0214] In some other embodiments, the first driving member is an electromagnet and the second driving member can also be a permanent magnet. In this way, by switching the current direction of the electromagnet, the state of attraction or repulsion between the electromagnet and the permanent magnet is changed, thereby driving the cantilever part to vibrate. The embodiment of the present application is exemplified by taking the first driving member as the electromagnet 333 and the second driving member as the armature 334, which cannot be regarded as a special limitation on the present application.

[0215] When the above-mentioned key 3 is applied to the electronic device 10, for example, refer to Fig.18 , Fig.18 for Figure 6 Button 3 shown is used for Figure 1 The electronic device 10 is shown as a schematic diagram of a cross-sectional structure at line AA. The button 3 is arranged on the housing 2. For example, the button 3 is arranged on the frame 22 of the housing 2.

[0216] In some embodiments, the frame 22 has a second surface S02. The second surface S02 forms a partial area of ​​the outer surface of the electronic device 10, that is, the second surface S02 is the outer side of the frame 22. The outer surface of the electronic device refers to the surface on the electronic device that can be viewed or touched by the user. The second surface S02 is provided with a receiving groove C1, and at least part of the keycap 31 is received in the receiving groove C1, and the direction of the pressing surface S1 is the same as the direction of the second surface S02 at the receiving groove C1.

[0217] The keycap 31 can move in the receiving groove C1 relative to the frame 22 along the pressing direction of the keycap 31. The pressing direction of the keycap 31 is a direction perpendicular to the pressing surface S1 and pointing from the pressing surface S1 to the side of the keycap 31 opposite to the pressing surface S1.

[0218] In some embodiments, please refer to Fig.18 , a via C2 is also provided on the frame 22. In some embodiments, the via C2 includes a first via C21 and a second via C22, and the first via C21 and the second via C22 extend from the accommodating groove C1 to the inner space of the frame 22. The inner space of the frame 22 refers to a portion of the space enclosed by the housing 2 adjacent to the frame 22.

[0219] On the basis of the above, the transmission structure 32 is disposed in the through hole C2 and is movable in the through hole C2 along the pressing direction of the key cap 31 .

[0220] For details, please continue to refer to Fig.18 In the transmission structure 32, the first transmission member 321 is accommodated in the first through hole C21 and is movable in the first through hole C21 along the pressing direction of the key cap 31. The second transmission member 322 is accommodated in the second through hole C22 and is movable in the second through hole C22 along the pressing direction of the key cap 31.

[0221] In some embodiments, the vibration feedback device 33 is disposed in the inner space of the frame 22, that is, the vibration feedback device 33 is accommodated in the space enclosed by the housing 2. In other embodiments, a mounting groove may be provided on the portion of the frame 22 between the accommodating groove C1 and the space enclosed by the housing 2, and the vibration feedback device 33 may be accommodated in the mounting groove. In this way, the vibration feedback device 33 may be prevented from occupying the inner space of the housing 2.

[0222] The base 331 in the vibration feedback device 33 is relatively fixed to the frame 22. Specifically, the base 331 and the frame 22 can be fixed by welding, bonding, threaded connection, clamping, etc., which is not specifically limited in this application. In some other embodiments, the base 331 and the frame 22 can be integrally formed, that is, the base 331 and the frame 22 are a structural component as a whole, which is not specifically limited in this application.

[0223] When the user applies a pressing force to the pressing surface S1 of the keycap 31 , the transmission structure 32 can be driven to move toward the vibration feedback device 33 , and the transmission structure 32 further pushes the cantilever portion 3323 of the pressure input member 332 to bend toward the bottom wall portion 331 a .

[0224] In some embodiments, please refer to Fig.18 The electronic device 10 further includes a first sealing ring 5 and a second sealing ring 6. The first sealing ring 5 is disposed between the inner wall of the first via hole C21 and the first transmission member 321, and is disposed around the first transmission member 321. The second sealing ring 6 is disposed between the inner wall of the second via hole C22 and the second transmission member 322, and is disposed around the second transmission member 322.

[0225] In this way, the first sealing ring 5 can seal the gap between the inner wall of the first via C21 and the first transmission member 321, and the second sealing ring 6 can seal the gap between the inner wall of the second via C22 and the second transmission member 322, thereby preventing impurities such as water and dust in the external environment from entering the electronic device.

[0226] The above embodiments introduce a key 3 of the present application, in which a portion of the pressure input member 332 forms an armature 334, specifically, the connecting beam 332c in the pressure input member 332 forms the armature 334. In other embodiments, the pressure input member 332 may also form the armature 334 as a whole.

[0227] For examples, see Figure 19-21 , Fig.19 A stereogram of a key 3 provided in some other embodiments of the present application, Fig. 20 for Fig.19 The schematic diagram of the exploded structure of button 3 is shown in FIG. Fig.21 for Fig.19The cross-sectional structure diagram of the key is shown. In this embodiment, the fixed portion and the cantilever portion of the pressure input member 332 are an integrated structure, and the integrated structure forms the armature 334. In this way, the key 3 has a simple structure and high assembly efficiency.

[0228] Based on the above embodiments, optional, please refer to Fig. 20 The transmission structure 32 and the cantilever part 3323 may be in contact but not connected. In this way, the transmission structure 32 and the cantilever part 3323 are independent of each other, and during the bending process of the cantilever part 3323 under the pressure, the cantilever part 3323 may produce a slight displacement along its own length direction relative to the first transmission member 321 and the second transmission member 322, thereby avoiding jamming.

[0229] When the above-mentioned key 3 is applied to the electronic device 10, please refer to Fig. 22 , Fig. 22 for Fig.21 Button 3 shown is used for Figure 1 The cross-sectional structure diagram of the electronic device 10 at the AA line is shown. Optionally, the electronic device 10 further includes a third sealing ring 7, which is located between the frame 22 and the pressure input member 332, and the third sealing ring 7 is arranged around the first via C21 and the second via C22. In this way, with the help of the third sealing ring 7, the gap between the frame 22 and the pressure input member 332 can be sealed to prevent water, dust and other impurities in the external environment from entering the internal space of the housing 2 along the first via C21 and the second via C22.

[0230] In some other embodiments, the electronic device 10 may also use the first sealing ring 5 to seal the gap between the inner wall of the first via C21 and the first transmission member 321, and use the second sealing ring 6 to seal the gap between the inner wall of the second via C22 and the second transmission member 322, which can also prevent impurities such as water and dust in the external environment from entering the internal space of the shell 2.

[0231] In some other embodiments, see Fig.23 and Fig.24 , Fig.23 A stereogram of a key 3 provided in some other embodiments of the present application, Fig.24 for Fig.23 The exploded structural diagram of the button 3 is shown. In this embodiment, the transmission structure 32 is connected to the cantilever part 3323. Specifically, a fifth through hole a5 is provided on the pressure input member 332 at a position corresponding to the first transmission member 321, and a sixth through hole a6 is provided on the pressure input member 332 at a position corresponding to the second transmission member 322.

[0232] On the basis of the above, the first transmission member 321 can be connected to the fifth through hole a5 by means of connecting members such as screws, rivets, and bolts, and the second transmission member 322 can be connected to the sixth through hole a6 by means of connecting members such as screws, rivets, and bolts.

[0233] In this way, on the one hand, there will inevitably be a gap between the inner wall of the fifth through hole a5 and the connecting member in the fifth through hole a5, and between the inner wall of the sixth through hole a6 and the connecting member in the sixth through hole a6, and the gap can allow the cantilever part 3323 to produce a slight displacement along its own length direction relative to the first transmission member 321 and the second transmission member 322 during the bending process under the pressure, which can avoid getting stuck. On the other hand, since the transmission structure 32 is connected to the cantilever part 3323, the vibration generated by the cantilever part 3323 can be effectively fed back to the keycap 31 via the transmission structure 32, which is conducive to improving the vibration feeling.

[0234] Optional, please refer to Fig.24 The key 3 includes a first screw A1 and a second screw A2. The head of the first screw A1 is located on the side of the pressure input member 332 facing away from the keycap 31, and the rod of the first screw A1 passes through the fifth through hole a5 and is connected to the first transmission member 321. The head of the second screw A2 is located on the side of the pressure input member 332 facing away from the keycap 31, and the rod of the second screw A2 passes through the sixth through hole a6 and is connected to the second transmission member 322. This structure is simple and easy to implement.

[0235] When the button 3 is applied to an electronic device 10, the electronic device 10 can seal the gap between the inner wall of the first via C21 and the first transmission member 321 with the help of the first sealing ring 5, and seal the gap between the inner wall of the second via C22 and the second transmission member 322 with the help of the second sealing ring 6, thereby preventing impurities such as water and dust in the external environment from entering the internal space of the shell 2.

[0236] See also Figure 25-27 , Fig.25 A stereogram of a key 3 provided in some other embodiments of the present application, Fig.26 for Fig.25 The schematic diagram of the exploded structure of button 3 is shown in FIG. Fig. 27 for Fig.25The schematic diagram of the cross-sectional structure of the key 3 is shown. In this embodiment, the pressure input member 332 includes a first cantilever beam 332a and a second cantilever beam 332c. The first cantilever beam 332a and the second cantilever beam 332b are arranged at intervals along the arrangement direction of the first fixing portion 3321 and the second fixing portion 3322. The end of the first cantilever beam 332a away from the second cantilever beam 332b forms the first fixing portion 3321, and the end of the second cantilever beam 332b away from the first cantilever beam 332a forms the second fixing portion 3322. The other parts of the first cantilever beam 332a except the first fixing portion 3321 and the other parts of the second cantilever beam 332b except the second fixing portion 3322 form the cantilever portion 3323.

[0237] On the basis of the above, the first cantilever beam 332 a and the second cantilever beam 332 b form an armature 334 .

[0238] In this way, due to the gap between the first cantilever beam 332a and the second cantilever beam 332b, under the action of the pressing force F, the first cantilever beam 332a and the second cantilever beam 332b are bent respectively, and are not prone to getting stuck.

[0239] Based on the above embodiment, optional, please continue to refer to Fig.26 and Fig. 27 The first transmission member 321 is located between the first cantilever beam 332a and the keycap 31, and the first transmission member 321 is connected to or in contact with the first cantilever beam 332a but not connected. The second transmission member 322 is located between the second cantilever beam 332b and the keycap 31, and the second transmission member 322 is connected to or in contact with the second cantilever beam 332b but not connected. In this way, under the action of the pressing force F, the first transmission member 321 pushes the first cantilever beam 332a to bend and deform, and the second transmission member 322 pushes the second cantilever beam 332b to bend and deform. This structure is simple and convenient to set up.

[0240] In the case where the first transmission member 321 is in contact with the first cantilever beam 332a but not connected, and the second transmission member 322 is in contact with the second cantilever beam 332b but not connected, please refer to Figure 25-27 During the bending process under the pressing force F, the first cantilever beam 332a can generate a slight displacement relative to the first transmission member 321 along its own length direction, thereby preventing the first cantilever beam 332a from getting stuck. Similarly, during the bending process under the pressing force F, the second cantilever beam 332b can generate a slight displacement relative to the second transmission member 322 along its own length direction, thereby preventing the second cantilever beam 332b from getting stuck.

[0241] In the case where the first transmission member 321 is connected to the first cantilever beam 332a, and the second transmission member 322 is connected to the second cantilever beam 332b, please refer to Fig.28 and Fig.29, Fig.28 A stereogram of a key 3 provided in some other embodiments of the present application, Fig.29 for Fig.28 The exploded structural diagram of the button 3 is shown. In this embodiment, a fifth through hole a5 is provided on the first cantilever beam 332a at a position corresponding to the first transmission member 321, and a sixth through hole a6 is provided on the second cantilever beam 332b at a position corresponding to the second transmission member 322.

[0242] On the basis of the above, the first transmission member 321 can be connected to the fifth through hole a5 by means of connecting members such as screws, rivets, and bolts, and the second transmission member 322 can be connected to the sixth through hole a6 by means of connecting members such as screws, rivets, and bolts.

[0243] In this way, on the one hand, there will inevitably be a gap between the inner wall of the fifth through hole a5 and the connecting member in the fifth through hole a5, and the gap can allow the first cantilever beam 332a to produce a slight displacement along its own length direction relative to the first transmission member 321 during the bending process under the pressure, so as to avoid the first cantilever beam 332a from getting stuck. Similarly, there will inevitably be a gap between the inner wall of the sixth through hole a6 and the connecting member in the sixth through hole a6, and the gap can allow the second cantilever beam 332b to produce a slight displacement along its own length direction relative to the second transmission member 322 during the bending process under the pressure, so as to avoid the second cantilever beam 332b from getting stuck. On the other hand, since the transmission structure 32 is connected to the cantilever portion 3323, the vibration generated by the cantilever portion 3323 can be effectively fed back to the keycap 31 via the transmission structure 32, which is conducive to improving the vibration feeling.

[0244] Optional, please refer to Fig.29 The key 3 further includes a first screw A1 and a second screw A2. The head of the first screw A1 is located on the side of the first cantilever beam 332a facing away from the keycap 31, and the rod of the first screw A1 passes through the fifth through hole a5 and is connected to the first transmission member 321. The head of the second screw A2 is located on the side of the second cantilever beam 332b facing away from the keycap 31, and the rod of the second screw A2 passes through the sixth through hole a6 and is connected to the second transmission member 322. This structure is simple and easy to implement.

[0245] When the button 3 is applied to an electronic device 10, the electronic device 10 can seal the gap between the inner wall of the first via C21 and the first transmission member 321 with the help of the first sealing ring 5, and seal the gap between the inner wall of the second via C22 and the second transmission member 322 with the help of the second sealing ring 6, thereby preventing impurities such as water and dust in the external environment from entering the internal space of the shell 2.

[0246] In the above embodiments, the electromagnet 333 includes a coil 333a and a magnetic core 333b. In other embodiments, the electromagnet 333 may also include a plurality of electromagnet units. Fig.30 , Fig.30 The cross-sectional structure diagram of the key 3 provided in some embodiments of the present application is shown in FIG. 1 . In this embodiment, the electromagnet 333 may include at least three electromagnet units 3331. Fig.30 In the illustrated embodiment, there are three electromagnet units 3331. Each electromagnet unit 3331 may include a coil and a magnetic core, and the at least three electromagnet units 3331 are sequentially arranged along the arrangement direction of the first fixing portion 3321 and the second fixing portion 3322.

[0247] When the at least three electromagnet units 3331 are powered on, the magnetization directions (that is, the arrangement directions of the N poles and the S poles) of two adjacent electromagnet units 3331 are opposite. Fig.30 When the three electromagnet units 3331 are powered on, the magnetic pole of the middle electromagnet unit 3331 facing the armature 334 is the N pole, and the magnetic pole of the end away from the armature 334 is the S pole. The magnetic poles of the two side electromagnet units 3331 facing the armature 334 are the S poles, and the magnetic poles of the ends away from the armature 334 are the N poles.

[0248] In the above embodiment, two adjacent electromagnet units 3331 can be set with different winding methods so that the magnetization directions of the two adjacent electromagnet units 3331 are opposite when powered on, or a circuit that outputs opposite currents can be set to make the magnetization directions of the two adjacent electromagnet units 3331 opposite when powered on. The present application does not make any specific limitation on this.

[0249] The at least three electromagnet units 3331 cooperate with the armature 334 to drive the cantilever portion 3323 to vibrate.

[0250] In this way, the magnetic lines of force can be gathered, specifically gathered between two adjacent electromagnet units 3331, so that at least two magnetic lines of force gathering areas are formed between at least three electromagnet units 3331, which can improve the magnetic field strength, and at the same time, to a certain extent, improve the uniformity of the attraction to each part of the armature 334 in the length direction, which can prevent the armature 334 from being bent after long-term use, and can extend the service life of the armature 334. In addition, the uniformity of the attraction of multiple electromagnet units 3331 to each part of the armature 334 in the length direction is better, which can increase the vibration amplitude of the part of the pressure input member 332 corresponding to the transmission structure 32, which is conducive to improving the vibration intensity.

[0251] The above embodiments are exemplified by taking the base 331 of the vibration feedback device 33 in the button 3 as being independent of the housing 2 of the electronic device 10 . In other embodiments, the base 331 may also be formed by at least a portion of the housing 2 .

[0252] For examples, see Fig.31 and Fig.32 , Fig.31 for Figure 2 A three-dimensional diagram of another assembly structure of the frame 22 and the button 3 in the electronic device 10 is shown. Fig.32 for Fig.31 The exploded structural diagram of the assembly structure shown is shown in FIG. 1. In this embodiment, the frame 22 has a first surface S01 and a second surface S02.

[0253] The first surface S01 faces the screen 1 or the back cover 21 , the second surface S02 is connected to the first surface S01 , and the second surface S02 forms a partial area of ​​the outer surface of the electronic device 10 , that is, the second surface S02 is the outer side of the frame 22 .

[0254] On the basis of the above, the first surface S01 is provided with a mounting groove C3. The mounting groove C3 may be in a convex shape, of course, the mounting groove C3 may also be in a rectangular or square shape, etc., which is not specifically limited in the present application.

[0255] The second surface S02 is provided with a receiving groove C1. The shape of the receiving groove C1 may be rectangular, of course, the shape of the receiving groove C1 may also be square or circular, etc., which is not specifically limited in the present application.

[0256] Please refer to Fig.31 At least part of the keycap 31 in the key 3 is accommodated in the accommodating groove C1, the frame 22 forms a base 331 of the vibration feedback device 33 in the key 3, and the pressure input member 332, the electromagnet 333 and the armature 334 in the key 3 are installed in the installation groove C3.

[0257] Thus, on the one hand, the button 3 is embedded in the frame 22, so that the button 3 does not occupy the internal space of the electronic device 10. On the other hand, since the frame 22 forms the base 331 of the vibration feedback device 33 in the button 3, there is no need to set up the base 331 separately, which can reduce costs.

[0258] On the basis of the above, the first bending deformation sensor 335, the second bending deformation sensor 336 and the elastic member 337 are also installed in the installation groove C3. Based on this, in some embodiments, please refer to Fig.32, the vibration feedback device 33 also includes a support member 338. The support member 338 is located in the installation groove C3, and the support member 338 is fixed to the inner wall of the installation groove C3 away from the accommodating groove C1. Specifically, the support member 338 can be fixed to the inner wall of the installation groove C3 away from the accommodating groove C1 by gluing, welding, etc. The elastic member 337 is connected between the pressure input member 332 and the support member 338. Specifically, one end of the elastic member 337 is connected to the pressure input member 332, and the other end is connected to the support member 338. One of the electromagnet 333 and the armature 334 is arranged on the support member 338, and the other is arranged on the pressure input member 332. In Fig.31 and Fig.32 In the illustrated embodiment, the electromagnet 333 is disposed on the support member 338, and the armature 334 is disposed on the pressure input member 332. Specifically, the armature 334 may be formed by the pressure input member 332. The first bending deformation sensor 335 and the second bending deformation sensor 336 are disposed on the pressure input member 332.

[0259] Thus, the pressure input member 332, the electromagnet 333, the armature 334, the first bending deformation sensor 335, the second bending deformation sensor 336, the elastic member 337 and the support member 338 are connected into a whole, which can be assembled and then installed into the installation groove C3 together, thereby reducing the difficulty of installation and improving the assembly efficiency.

[0260] In some embodiments, please refer to Fig.31 and Fig.32 , the fixing portion of the pressure input member 332 is connected with a connecting ear. Specifically, the first fixing portion 3321 is provided with a first connecting ear e1. In some embodiments, refer to Fig.32 The first connecting ear e1 can be integrally formed with the first fixing portion 3321, that is, the first connecting ear e1 and the first fixing portion 3321 are an integral structural member. In some other embodiments, the first connecting ear e1 can also be fixed to the first fixing portion 3321 by welding, bonding, threaded connection, etc. The second fixing portion 3322 is provided with a second connecting ear e2. In some embodiments, please refer to Fig.32 The second connecting ear e2 can be integrally formed with the second fixing portion 3322, that is, the second connecting ear e2 and the second fixing portion 3322 are an integral structural member. In some other embodiments, the second connecting ear e2 can also be fixed to the second fixing portion 3322 by welding, bonding, threaded connection, etc.

[0261] On the basis of the above, the connecting ear is arranged on the first surface S01 and fixed to the frame 22. Specifically, the first connecting ear e1 and the second connecting ear e2 are arranged on the first surface S01, and the first connecting ear e1 and the second connecting ear e2 can be connected to the frame 22 by means of thread connection, clamping, welding, bonding, etc. Specifically, in Fig.31 In the illustrated embodiment, the first connecting ear e1 and the second connecting ear e2 are connected to the frame 22 by screws.

[0262] In this way, the pressure input member 332 and the structure directly or indirectly connected to the pressure input member 332 (such as the aforementioned electromagnet 333, armature 334, first bending deformation sensor 335, second bending deformation sensor 336, elastic member 337 and support member 338) can be connected to the frame 22 with the help of connecting ears. Since the connecting ears are arranged on the first surface S01, the operating space at the first surface S01 is larger, so the installation and operation are convenient.

[0263] In some embodiments, see Fig.32 A third connecting ear e3 is provided at a position opposite to the first connecting ear e1 on the first fixing portion 3321, and a fourth connecting ear e4 is provided at a position opposite to the second connecting ear e2 on the second fixing portion 3323. The third connecting ear e3 and the fourth connecting ear e4 are attached to or fixed to the bottom surface of the mounting groove C3, thereby preventing the pressure input member 332 from being twisted.

[0264] In some embodiments, see Fig.33 , Fig.33 for Fig.31 The schematic diagram of the cross-sectional structure of the assembly structure shown. Among them, the frame 22 has been cut, and the button 3 has not been cut. The frame 22 is provided with a first via hole C21 and a second via hole C22. One end of the first via hole C21 and one end of the second via hole C22 are connected to the accommodating groove C1, and the other end of the first via hole C21 and the other end of the second via hole C22 are connected to the mounting groove C3.

[0265] On the basis of the above, the first transmission member 321 and the second transmission member 322 are located between the key cap 31 and the cantilever portion 3323 of the pressure input member 332, and the first transmission member 321 is accommodated in the first through hole C21, and the second transmission member 322 is accommodated in the second through hole C22.

[0266] In this way, the part of the frame 22 between the receiving groove C1 and the mounting groove C3 can block moisture and dust to a certain extent. At the same time, the first transmission member 321 can be avoided by the first via hole C21, and the second transmission member 322 can be avoided by the second via hole C22, so that the pressing force of the key cap 31 can be transmitted to the pressure input member 332.

[0267] Based on the above embodiment, optional, please continue to refer to Fig.33The electronic device 10 further includes a first sealing ring 5 and a second sealing ring 6. The first sealing ring 5 is disposed between the inner wall of the first via hole C21 and the first transmission member 321, and is disposed around the first transmission member 321. The second sealing ring 6 is disposed between the inner wall of the second via hole C22 and the second transmission member 322, and is disposed around the second transmission member 322.

[0268] In this way, the first sealing ring 5 can seal the gap between the inner wall of the first via C21 and the first transmission member 321, and the second sealing ring 6 can seal the gap between the inner wall of the second via C22 and the second transmission member 322, thereby preventing impurities such as water and dust in the external environment from entering the electronic device.

[0269] See also Fig.34 , Fig.34 for Fig.31 The exploded structural diagram of the button 3 in the assembly structure is shown. In this embodiment, a fifth through hole a5 and a sixth through hole a6 are provided on the pressure input member 332. The first transmission member 321 is connected to the fifth through hole a5, and the second transmission member 322 is connected to the sixth through hole a6.

[0270] Specifically, in some embodiments, please continue to refer to Fig.34 , the first transmission member 321 includes a main body section 321a and a connecting section 321b. The main body section 321a is located between the keycap 31 and the cantilever portion 3323. The connecting section 321b is connected to the end of the main body section 321a away from the keycap 31, and the maximum cross-sectional width of the connecting section 321b is less than or equal to the diameter of the fifth through hole a5, so that the connecting section 321b can extend into the fifth through hole a5. Based on this, a part of the connecting section 321b is inserted into the fifth through hole a5, and the other part of the connecting section 321b is located on the side of the cantilever portion 3323 facing away from the keycap 31.

[0271] On the basis of the above, the end of the main body section 321a facing the connecting section 321b is provided with a first limiting portion X1, and the first limiting portion X1 prevents the main body section 321a from extending into the fifth through hole a5 in a direction away from the key cap 31. Specifically, the first limiting portion X1 includes but is not limited to a limiting shoulder, a limiting retaining spring, a limiting pin, etc., and the present application is exemplified by taking the first limiting portion X1 as a limiting retaining spring.

[0272] On the basis of the above, the other part of the connecting section 321b is provided with a second limiting portion X2, and the second limiting portion X2 prevents the other part of the connecting section 321b from extending into the fifth through hole a5 in a direction close to the key cap 31. The second limiting portion X2 includes but is not limited to a limiting retaining spring, a limiting shaft pin, etc., and the present application is exemplified by taking the second limiting portion X2 as a limiting retaining spring, which cannot be regarded as a special limitation on the present application.

[0273] In this way, the pressure input member 332 can be installed in the installation groove C3 through the opening of the installation groove C3, the first transmission member 321 can extend from the accommodating groove C1 into the first through hole C21, and the main section 321a is located between the key cap 31 and the pressure input member 332, and the part of the connecting section 321b passes through the fifth through hole a5, and then the first limiting portion X1 is set on the main section 321a, and the second limiting portion X2 is set on the part of the connecting section 321b passing through the fifth through hole a5, thereby limiting the pressure input member 332 with the help of the first limiting portion X1 and the second limiting portion X2, thereby realizing the connection between the first transmission member 321 and the pressure input member 332. This assembly method is simple and easy to operate.

[0274] The connection method of the second transmission member 322 at the sixth through hole a6 can refer to the above-mentioned embodiment of the connection method of the first transmission member 321 at the fifth through hole a5, and will not be described in detail here.

[0275] It can be known that, in any of the above embodiments, the connection of the first transmission member 321 in the fifth through hole a5 and the connection of the second transmission member 322 in the sixth through hole a6 can also refer to Fig.34 The method shown is implemented and will not be described in detail here.

[0276] Of course, in other embodiments, the first transmission member 321 , the second transmission member 322 and the pressure input member 332 may be in contact but not connected.

[0277] According to the description of the above embodiments, the key 3 provided in the embodiment of the present application integrates the vibration feedback device and the pressure sensing component, which can realize the integration of multiple control functions and also realize vibration feedback. Moreover, the appearance size of the key 3 provided in the embodiment of the present application can be the same as that of a traditional mechanical key, which can be compatible with existing electronic devices and can reduce the development cost of electronic devices.

[0278] In addition, the above embodiments are illustrative of the application of button 3 in a mobile phone scenario. In other embodiments, button 3 can also be applied to tablet computers, car terminals, smart watches, smart glasses and other scenarios, and this application does not make specific limitations on this.

[0279] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0280] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A key, characterized in that: include: A key cap, wherein the key cap has a pressing surface; Pedestal; A pressure input member, the pressure input member comprising a fixing portion and a cantilever portion connected to the fixing portion, the fixing portion being fixed to the base, the cantilever portion being located on a side of the keycap facing away from the pressing surface, and the vibration of the cantilever portion being able to be transmitted to the keycap; A first driving member and a second driving member, wherein one of the first driving member and the second driving member is arranged on the cantilever part, and the other is arranged on the base, and the first driving member is used to cooperate with the second driving member to drive the cantilever part to vibrate.

2. The key according to claim 1, characterized in that: The first driving member is an electromagnet, and the second driving member is an armature.

3. The key according to claim 2, characterized in that: The first driving member and the second driving member are spaced apart from each other, and a gap width between the first driving member and the second driving member is greater than or equal to 0.03 mm and less than or equal to 0.1 mm.

4. The key according to claim 2 or 3, characterized in that: The material of the armature is silicon steel.

5. The key according to any one of claims 2 to 4, characterized in that: Also includes: At least one elastic member is connected between the cantilever portion and the base.

6. The key according to any one of claims 2 to 5, characterized in that: The fixing part includes a first fixing part and a second fixing part; the first fixing part and the second fixing part are fixed on the base; The cantilever portion is connected between the first fixing portion and the second fixing portion.

7. The key according to claim 6, characterized in that: The base includes a bottom wall portion and a first side wall portion and a second side wall portion connected to the bottom wall portion; The first fixing portion is fixed to the first side wall portion, and the second fixing portion is fixed to the second side wall portion; The bottom wall portion is located at a side of the cantilever portion facing away from the key cap and is spaced apart from the cantilever portion. The other of the first driving member and the second driving member is disposed on the bottom wall portion.

8. The key according to claim 6 or 7, characterized in that: Also includes: A first transmission member and a second transmission member, the first transmission member and the second transmission member are located between the keycap and the cantilever portion, and the first transmission member and the second transmission member are spaced apart along the arrangement direction of the first fixing portion and the second fixing portion, the first transmission member and the second transmission member are connected to or in contact with but not connected to the keycap, and the first transmission member and the second transmission member are connected to or in contact with but not connected to the cantilever portion.

9. The key according to claim 8, characterized in that: In the case where the first driving member is disposed on the base and the second driving member is disposed on the cantilever portion, at least a portion of the pressure input member forms the second driving member.

10. The key according to claim 9, characterized in that: The pressure input member includes a first cantilever beam, a second cantilever beam and a connecting beam; The first cantilever beam and the second cantilever beam are arranged at intervals along the arrangement direction of the first fixing portion and the second fixing portion, the end of the first cantilever beam away from the second cantilever beam forms the first fixing portion, and the end of the second cantilever beam away from the first cantilever beam forms the second fixing portion; The connecting beam is connected between the end of the first cantilever beam facing the second cantilever beam and the end of the second cantilever beam facing the first cantilever beam, and the connecting beam forms the second driving member.

11. The key according to claim 10, characterized in that: A first through hole is provided at the end of the first cantilever beam facing the connecting beam, and a second through hole is provided at the end of the connecting beam facing the first cantilever beam, and the first through hole is opposite to the second through hole and connected to form a fifth through hole; A third through hole is provided at the end of the second cantilever beam facing the connecting beam, a fourth through hole is provided at the end of the connecting beam facing the second cantilever beam, and the third through hole is opposite to the fourth through hole and connected to form a sixth through hole; The first transmission member is connected to the fifth through hole, and the second transmission member is connected to the sixth through hole.

12. The key according to claim 9, characterized in that: The fixing portion and the cantilever portion are an integrated structural component, and the integrated structural component forms the second driving component.

13. The key according to claim 12, characterized in that: When the first transmission member and the second transmission member are connected to the cantilever part, a fifth through hole is provided on the pressure input member at a position corresponding to the first transmission member, and a sixth through hole is provided on the pressure input member at a position corresponding to the second transmission member; The first transmission member is connected to the fifth through hole, and the second transmission member is connected to the sixth through hole.

14. The key according to claim 9, characterized in that: The pressure input member includes a first cantilever beam and a second cantilever beam; The first cantilever beam and the second cantilever beam are arranged at intervals along the arrangement direction of the first fixing portion and the second fixing portion, the end of the first cantilever beam away from the second cantilever beam forms the first fixing portion, and the end of the second cantilever beam away from the first cantilever beam forms the second fixing portion; The first cantilever beam and the second cantilever beam form the second drive member.

15. The key according to claim 14, characterized in that: The first transmission member is located between the first cantilever beam and the key cap, and the first transmission member is connected to or in contact with but not connected to the first cantilever beam; The second transmission member is located between the second cantilever beam and the key cap, and the second transmission member is connected to or in contact with but not connected to the second cantilever beam.

16. The key according to claim 15, characterized in that: When the first transmission member is connected to the first cantilever beam, and the second transmission member is connected to the second cantilever beam, a fifth through hole is provided on the first cantilever beam at a position corresponding to the first transmission member, and a sixth through hole is provided on the second cantilever beam at a position corresponding to the second transmission member; The first transmission member is connected to the fifth through hole, and the second transmission member is connected to the sixth through hole.

17. The key according to claim 11, 13 or 16, characterized in that: The first transmission member includes a main body section and a connecting section, wherein the main body section is located between the key cap and the cantilever portion; The connecting section is connected to an end of the main section away from the keycap, the maximum cross-sectional width of the connecting section is less than or equal to the diameter of the fifth through hole, a part of the connecting section is passed through the fifth through hole, and another part of the connecting section is located on a side of the cantilever portion facing away from the keycap; A first limiting portion is provided at the end of the main section facing the connecting section, and the first limiting portion is used to prevent the main section from extending into the fifth through hole in a direction away from the keycap. A second limiting portion is provided on the other part of the connecting section, and the second limiting portion is used to prevent the other part of the connecting section from extending into the fifth through hole in a direction close to the keycap.

18. The key according to any one of claims 8 to 17, characterized in that: A first opening is provided on a portion of the cantilever portion between the first fixing portion and the first transmission member, and the first opening extends from the first fixing portion to the first transmission member; A second opening is provided on a portion of the cantilever portion between the second fixing portion and the second transmission member, and the second opening extends from the second fixing portion to the second transmission member.

19. The key according to any one of claims 8 to 18, characterized in that: Also includes: A first bending deformation sensor is provided on a portion of the cantilever portion between the first fixing portion and the first transmission member.

20. The key according to claim 19, characterized in that: Also includes: A second bending deformation sensor is provided on a portion of the cantilever portion between the second fixing portion and the second transmission member.

21. The key according to any one of claims 6 to 20, characterized in that: The first driving member includes at least three electromagnet units, and the at least three electromagnet units are sequentially arranged along the arrangement direction of the first fixing portion and the second fixing portion; When the at least three electromagnet units are powered on, the magnetization directions of two adjacent electromagnet units are opposite, and the at least three electromagnet units cooperate with the second driving member to drive the cantilever part to vibrate.

22. An electronic device, characterized in that: include: case; The button described in any one of claims 1-21 is arranged on the shell.

23. The electronic device according to claim 22, characterized in that: The housing comprises a frame and a back cover; The electronic device further comprises a screen, and the frame is located between the screen and the back cover and is connected to the screen and the back cover; The frame has a first surface and a second surface, the first surface faces the screen or the back cover, the second surface is connected to the first surface, and the second surface forms a partial area of ​​the outer surface of the electronic device, the first surface is provided with a mounting groove, and the second surface is provided with a receiving groove; At least a portion of the keycap in the key is accommodated in the accommodating groove, the frame forms the base, and the pressure input member, the first driving member and the second driving member in the key are installed in the installation groove.

24. The electronic device according to claim 23, characterized in that: The button includes a first transmission member and a second transmission member; A first through hole and a second through hole are provided in the frame, one end of the first through hole and one end of the second through hole are connected to the containing groove, and the other end of the first through hole and the other end of the second through hole are connected to the mounting groove; The first transmission member and the second transmission member are located between the key cap and the cantilever portion of the pressure input member, and the first transmission member is accommodated in the first through hole, and the second transmission member is accommodated in the second through hole.

25. The electronic device according to claim 24, characterized in that: The electronic device further comprises a first sealing ring and a second sealing ring; The first sealing ring is arranged between the inner wall of the first through hole and the first transmission member, and is arranged around the first transmission member; the second sealing ring is arranged between the inner wall of the second through hole and the second transmission member, and is arranged around the second transmission member.

26. The electronic device according to any one of claims 23 to 25, characterized in that: The fixing portion of the pressure input member is connected with a connecting ear, and the connecting ear is arranged on the first surface and fixed to the frame.

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