TWM449999U - Magnetic keyswitch and related keyboard - Google Patents

Abstract

A magnetic keyswitch includes a base, a supporter, a first magnetic unit, a keycap and a second magnetic unit. The supporter is disposed on the base, and a hole is formed on the supporter. The first magnetic unit is disposed on the supporter. The keycap is movably disposed between the supporter and the base. The keycap moves relative to the base along a predetermined direction. The second magnetic unit is disposed on a bottom of the keycap. A magnetic force is forced by the first magnetic unit and the second magnetic unit along the predetermined direction, so as to contact the second magnetic unit against a boundary of the hole, and to move the keycap partly out of the hole.

Description

Magnetic button and its keyboard

The author provides a button and its keyboard, especially a magnetic button and its keyboard.

In terms of current personal computer usage habits, the keyboard is one of the indispensable input devices for entering text, symbols or numbers. Moreover, for the consumer electronic products that are in contact with daily life or the large-scale processing equipment used by the industry, a button mechanism is required as an input device to operate the above-mentioned electronic products and processing equipment. With the advancement of technology, consumer electronics products are gradually moving towards a thin and light design trend, so the button mechanism has accordingly designed a lighter and thinner structure suitable for use in thin electronic products. Most of the conventional buttons use a scissor-foot structure with an elastic body to perform the function of resetting the key cap, but the structure is bulky and difficult to apply in ultra-thin electronic products. Therefore, how to design a button and its related keyboard that can combine high structural strength and light and thin shape is an urgent development goal for the current institutional industry.

This creation provides a magnetic button and its keyboard to solve the above problems.

The patent application scope of the present invention discloses a magnetic button comprising a bottom plate, a support frame, a first magnetic attraction unit, a keycap and a second magnetic attraction unit. The support frame is disposed on the bottom plate, and the support frame has an opening. The first magnetic unit is disposed on the support frame. The keycap is movably disposed between the support frame and the bottom plate, and the keycap moves relative to the bottom plate along a predetermined direction. The second magnetic unit is disposed at a bottom of one of the keycaps. The second magnetic attraction unit and the first magnetic attraction unit generate a magnetic attraction force parallel to the predetermined direction for driving the second magnetic attraction unit against the periphery of the opening and driving the keycap Wear the opening.

The scope of the patent application of the present invention further discloses a keyboard comprising a bottom plate and a plurality of magnetic buttons. The plurality of magnetic buttons are respectively disposed on the bottom plate. Each magnetic button comprises a support frame, a first magnetic unit, a keycap and a second magnetic unit. The support frame is disposed on the bottom plate, and the support frame has an opening. The first magnetic unit is disposed on the support frame. The keycap is movably disposed between the support frame and the bottom plate, and the keycap moves relative to the bottom plate along a predetermined direction. The second magnetic unit is disposed at a bottom of one of the keycaps. The second magnetic attraction unit and the first magnetic attraction unit generate a magnetic attraction force parallel to the predetermined direction for driving the second magnetic attraction unit against the periphery of the opening and driving the keycap Wear the opening.

The patent application scope of the present invention further discloses a magnetic button comprising a bottom plate, a support frame, a first magnetic element, a second magnetic element, and a a key cap, a third magnetic element, and a fourth magnetic element. The support frame is disposed on the bottom plate, and the support frame has an opening. The support frame has a first contoured inner side wall that extends linearly along a predetermined direction. The inner sidewall has a first sidewall and a second sidewall, the first sidewall and the second sidewall being opposite sides of the second sidewall. The first magnetic element is disposed adjacent to an upper end of the first side wall, and the second magnetic element is disposed adjacent to an upper end of the second side wall. The keycap has a top portion of a keycap and a bottom of a keycap, the bottom of the keycap being larger than the upper portion of the keycap. The bottom of the keycap has a second contoured outer sidewall, the outer sidewall has a third sidewall and a fourth sidewall, and the third sidewall and the fourth sidewall corresponding to the first sidewall and the second sidewall, respectively .

The third magnetic component is disposed adjacent to the third sidewall, and the first magnetic component and the third magnetic component generate a first magnetic attraction. The fourth magnetic component is disposed adjacent to the fourth sidewall, and the second magnetic component and the fourth magnetic component generate a second magnetic attraction. The second contour substantially conforms to the first contour, and the second contour is slightly smaller than the first contour, such that when the key cap moves relative to the bottom plate along the predetermined direction, the bottom of the keycap and the support frame No interference will occur. The first magnetic attraction force and the second magnetic adsorption force attract the key cap from the non-adjacent sides to drive the keycap to rise, thereby allowing the upper portion of the keycap to pass through the opening.

The patent application scope of the present invention further discloses a magnetic button comprising a bottom plate, a support frame, a first magnetic element, a second magnetic element, and a a key cap, a third magnetic element, and a fourth magnetic element. The support frame is disposed on the bottom plate, and the support frame has an opening and a limiting portion. The support frame has a first contoured inner side wall that extends linearly along a predetermined direction. The inner sidewall has a first sidewall and a second sidewall, the first sidewall and the second sidewall being opposite sides of the second sidewall. An accommodating space is formed between the limiting portion and the bottom plate. The first magnetic element is disposed adjacent to an upper end of the first side wall, and the second magnetic element is disposed adjacent to an upper end of the second side wall. The keycap has a keycap upper portion and a keycap bottom, and the keycap bottom has a second contoured outer sidewall. The outer sidewall has a third sidewall and a fourth sidewall. The third sidewall and the fourth sidewall respectively correspond to the first sidewall and the second sidewall, and the bottom of the keycap is restricted by the limiting portion. Get out of the space.

The third magnetic component is disposed adjacent to the third sidewall, and the first magnetic component and the third magnetic component generate a first magnetic attraction. The fourth magnetic component is disposed adjacent to the fourth sidewall, and the second magnetic component and the fourth magnetic component generate a second magnetic attraction. The accommodating space has a vertical height and a horizontal width, and the ratio of the vertical height to the horizontal width is less than 0.3, so that the maximum value of the tilt angle that the keycap can have in the accommodating space is substantially less than 17 degrees. The first magnetic attraction force and the second magnetic adsorption force attract the key cap from the non-adjacent sides to drive the keycap to rise, thereby allowing the upper portion of the keycap to pass through the opening.

The magnetic button of the present invention and its keyboard generate magnetic attraction force by using a plurality of correspondingly arranged magnetic or magnetic elements. When the user presses the keycap, an external force is applied to overcome the magnetic attraction force to provide a better operational feel; after the external force is removed, the magnetic attraction force can attract the keycap to rise back to the initial position. The driving direction of the keycap of the present invention is substantially parallel to the moving direction of the keycap relative to the bottom plate, and the magnetic attraction force is a mechanism for supporting the rise of the keycap, that is, the keycap rises when the magnetic attraction force is greater than the applied external force, and is applied When the external force is larger than the magnetic adsorption force, the utility model has the advantages of simple structure and easy operation, and can greatly reduce the occupied space, and is beneficial to the thin keyboard.

Please refer to FIG. 1 , which is a schematic diagram of a keyboard 10 according to an embodiment of the present invention. The keyboard 10 includes a bottom plate 12 and a plurality of magnetic buttons 14 respectively disposed at different positions on the bottom plate 12. Please refer to FIG. 2, which is a schematic view of the magnetic button 14 of the first embodiment of the present invention. The magnetic button 14 includes a support frame 16, a first magnetic unit 18, a keycap 20 and a second magnetic unit 22. The support frame 16 has an opening 24 and is disposed on the bottom plate 12. The keycap 20 is movably disposed between the support frame 16 and the bottom plate 12.

The keycap 20 is movable relative to the bottom plate 12 along a predetermined direction D such that the keycap 20 can be projected or retracted into the opening 24. The predetermined direction D is substantially parallel to one of the planar normal vectors of the base plate 12. The first magnetic unit 18 and the second magnetic unit 22 respectively The support frame 16 and the bottom of the keycap 20 are disposed at the bottom. The first magnetic unit 18 and the second magnetic unit 22 are used to cooperate to generate a magnetic adsorption force, and the magnetic adsorption force can be used to drive the keycap 20 to rise, so that the second magnetic unit 22 abuts against the periphery of the opening 24. Corresponding to the position of the first magnetic attraction unit 18, and at the same time causing the keycap 20 to partially pass through the opening 24. The first magnetic unit 18 and the second magnetic unit 22 are respectively a magnetic material and a magnetic conductive material, for example, one is a magnet and the other is a magnetic conductive metal, or both are magnets.

In addition, the support frame 16 further includes a plurality of limiting portions 26. An accommodating space 28 is formed between the limiting portion 26 and the bottom plate 12, and the plurality of limiting portions 26 surround each other to form the opening 24. The limiting portion 26 is used to limit the movement stroke of the keycap 20, and when the keycap 20 is driven to rise by the magnetic attraction force, the limiting portion 26 can stop the keycap 20 to limit the position of the keycap 20 to prevent the keycap 20 from being disengaged from the accommodating space 28 . As shown in FIG. 2, the first magnetic attraction unit 18 can be disposed on the lower surface of the limiting portion 26. The lower end of one of the first magnetic attraction units 18 can interact with the upper end of the second magnetic attraction unit 22 to generate a magnetic attraction force, so that the magnetic adsorption force acts in a direction substantially parallel to the predetermined direction D for driving the keycap 20 relative to the bottom plate 12 Perform a vertical movement stroke.

Please refer to FIG. 3 and FIG. 4 . FIG. 3 and FIG. 4 are respectively partial structural views of the keycap 20 of different embodiments. In general, the first magnetic unit 18 is preferably disposed in an annular manner on the limiting portion 26 of the support frame 16, the second magnetic attraction unit 22 can include a plurality of segments 22A, and each segment 22A is selectively symmetrical. Way (as shown in Figure 3) or asymmetric (such as 4th) The figure is shown at the bottom of the keycap 20 to cooperate with the first magnetic attraction unit 18 to generate a magnetic attraction force to stably drive the keycap 20 to move upward relative to the support frame 16.

Referring to Fig. 5, Fig. 5 is a schematic view showing the magnetic button 14' of the second embodiment of the present invention. In the second embodiment, the same elements as those in the first embodiment have the same structure and function, and will not be described in detail herein. The second embodiment differs from the first embodiment in that the support frame 16 of the magnetic push button 14' has a first contoured inner side wall 161. The inner side wall 161 extends linearly along a predetermined direction D. The inner side wall 161 has a first side wall 162 and a second side wall 163, and the first side wall 162 and the second side wall 163 are opposite sides. In addition, the keycap 20 of the magnetic button 14' has a keycap upper portion 30 and a keycap bottom portion 32. The bottom portion 32 of the key cap is substantially larger than the upper portion 30 of the keycap. The bottom portion 32 of the key cap has a second outer wall 321 of the second contour. The outer side wall 321 has a third side wall 322 and a fourth side wall 323, and the third side wall 322 and the fourth side wall 323. 323 correspond to the first side wall 162 and the second side wall 163, respectively. The magnetic button 14' further includes a switch 42. The switch 42 can be a thin film circuit board disposed on the bottom plate 12 and below the keycap 20. The user applies a force to overcome the magnetic attraction force of the magnetic element, so that when the keycap 20 moves down and touches the switch 42, the switch 42 is activated to output an electronic signal.

The magnetic button 14' further includes a first magnetic element 34, a second magnetic element 36, a third magnetic element 38 and a fourth magnetic element 40. The first magnetic element 34 is disposed adjacent to the upper end of the first side wall 162, and the second magnetic attraction The element 36 is disposed adjacent to the upper end of the second side wall 163, the third magnetic element 38 is disposed adjacent to the third side wall 322, and the fourth magnetic element 40 is disposed adjacent to the fourth side wall 323. The first magnetic element 34 is disposed adjacent to the third magnetic element 38 along the predetermined direction D to generate a first magnetic attraction force, and the second magnetic element 36 and the fourth magnetic element 40 are along the The direction D is set adjacent to generate a second magnetic attraction force. The first magnetic attraction force and the second magnetic adsorption force respectively attract the keycaps 20 from the non-adjacent sides for driving the keycap 20 to rise after the external force applied to the keycap 20 is removed, thereby allowing the upper portion of the keycap 30 The opening 24 is pierced.

The first magnetic element 34 (or the second magnetic element 36) and the third magnetic element 38 (or the fourth magnetic element 40) may be a magnetic material and a magnetic material, for example, one for the magnet. One is a magnetically permeable metal, which is assembled in the same manner as the magnetic unit of the first embodiment, and therefore will not be described. In addition to this, the third magnetic element 38 (or the fourth magnetic element 40) may comprise a plurality of sections, and the sections are arranged circumferentially like the section 22A of the second magnetic unit 22 of the first embodiment. At the periphery of the bottom portion 32 of the keycap, to match the corresponding first magnetic element 34 (or second magnetic element 36), a stable magnetic attraction is provided.

In a second embodiment, the first contour of the inner sidewall 161 can substantially conform to the second contour of the outer sidewall 321 and the second contour of the outer sidewall 321 is slightly smaller than the first contour of the inner sidewall 161, so the keycap 20 follows the pre- When the direction D is vertically operated with respect to the bottom plate 12, the bottom portion 32 of the key cap does not have a dry structure with the support frame 16. Involved. Furthermore, there may be a reserved gap I between the upper portion 30 of the keycap and the limiting portion 26, that is, the aperture of the opening 24 may be slightly larger than the size of the upper portion 30 of the keycap, so that the keycap 20 is relatively along the predetermined direction D. When the bottom plate 12 is moved, structural interference does not occur between the upper portion 30 of the key cap and the limiting portion 26, so that the operation of the magnetic button 14' of the present invention is smoother.

The magnetic button 14' of the second embodiment may further comprise a fifth magnetic element. The third magnetic element 38, the fourth magnetic element 40 and the fifth magnetic element may be triangularly distributed around the upper portion 30 of the keycap, such as the three sections 22A shown in FIG. Further, the magnetic button 14' may further include a fifth magnetic element and a sixth magnetic element. The third magnetic element 38, the fourth magnetic element 40, the fifth magnetic element and the sixth magnetic element may be distributed in a quadrangular shape around the upper portion 30 of the keycap, such as the four segments 22A shown in FIG.

Please refer to FIG. 6 , which is a schematic diagram of the magnetic button 14 ′′ according to the third embodiment of the present invention. In the third embodiment, the same components as the foregoing embodiments have the same structure and function, and Further, the difference between the third embodiment and the foregoing embodiment is that the accommodating space 28 of the magnetic button 14" is composed of the limiting portion 26 and the bottom plate 12 for preventing the key cap bottom portion 32 from being detached. The accommodating space 28 has a vertical height H and a horizontal width W, wherein the movement distance of the keycap 20 along the predetermined direction D relative to the bottom plate 12 is substantially close to the vertical height H of the accommodating space 28, and the level of the accommodating space 28 The width W is substantially close to the width of the upper surface of the keycap bottom 32, so the keycap 20 and the support frame 16 are not Interference will occur. The switch 42 of the magnetic button 14" can be disposed under the keycap 20. The user presses the keycap 20 to drive down, and when the keycap 20 touches the switch 42, the switch 42 is activated to output an electronic Signal.

The magnetic button 14" of the third embodiment may further comprise a fifth magnetic element. The third magnetic element 38, the fourth magnetic element 40 and the fifth magnetic element may have a triangular distribution around the upper portion 30 of the keycap, The three sections 22A are shown in Fig. 3. Further, the magnetic button 14" may further include a fifth magnetic element and a sixth magnetic element. The third magnetic element 38, the fourth magnetic element 40, the fifth magnetic element and the sixth magnetic element may be distributed in a quadrangular shape around the upper portion 30 of the keycap, such as the four segments 22A shown in FIG.

Further, in the third embodiment, the ratio of the vertical height H to the horizontal width W may be substantially less than 0.3, so that the maximum inclination angle of the keycap 20 in the accommodating space 28 may be substantially less than 17 degrees. In this way, the magnetic button 14" uses the magnetic element to provide the driving force for the resetting of the keycap 20, and the keycap 20 does not have a physical supporting mechanism, but the size of the receiving space 28 ensures the keycap 20 There is no excessive tilt during the pressing process. To further apply the magnetic button 14" to the thin keyboard, the ratio of the vertical height H to the horizontal width W can be designed to be substantially less than 0.05, so that the keycap 20 is in the accommodating space 28. The maximum tilt angle is substantially less than 3 degrees to avoid excessive tilting of the keycap 20 during the pressing process, thereby improving the operational feel of the magnetic button 14".

In summary, the magnetic button and its keyboard of the present invention utilize a plurality of correspondingly arranged magnetic or magnetic elements to generate magnetic attraction. When the user presses the keycap, an external force is applied to overcome the magnetic attraction force to provide a better operational feel; after the external force is removed, the magnetic attraction force can attract the keycap to rise back to the initial position. The driving direction of the keycap of the present invention is substantially parallel to the moving direction of the keycap relative to the bottom plate, and the magnetic attraction force is a mechanism for supporting the rise of the keycap, that is, the keycap rises when the magnetic attraction force is greater than the applied external force, and is applied When the external force is larger than the magnetic adsorption force, the utility model has the advantages of simple structure and easy operation, and can greatly reduce the occupied space, and is beneficial to the thin keyboard.

The above descriptions are only preferred embodiments of the present invention, and all changes and modifications made by the scope of the patent application of the present invention should be covered by the present invention.

10‧‧‧ keyboard

12‧‧‧floor

14‧‧‧Magnetic button

14'‧‧‧Magnetic button

14”‧‧‧Magnetic button

16‧‧‧Support frame

161‧‧‧ inner side wall

162‧‧‧First side wall

163‧‧‧second side wall

18‧‧‧First magnetic unit

20‧‧‧Key Cap

22‧‧‧Second magnetic unit

Section 22A‧‧‧

24‧‧‧ Opening

26‧‧‧Limited Department

28‧‧‧ accommodating space

30‧‧‧Key cap upper

32‧‧‧Bottom of the keycap

321‧‧‧Outer side wall

322‧‧‧ third side wall

323‧‧‧fourth sidewall

34‧‧‧First magnetic element

36‧‧‧Second magnetic element

38‧‧‧ Third magnetic element

40‧‧‧fourth magnetic element

42‧‧‧ switch

I‧‧‧reserved clearance

H‧‧‧Vertical height

W‧‧‧ horizontal width

D‧‧‧Preset direction

FIG. 1 is a schematic diagram of a keyboard of the present embodiment.

Fig. 2 is a schematic view showing the magnetic button of the first embodiment of the present invention.

3 and 4 are respectively partial structural views of the keycaps of different embodiments of the present invention.

Fig. 5 is a schematic view showing the magnetic button of the second embodiment of the present invention.

Fig. 6 is a schematic view showing the magnetic button of the third embodiment of the present invention.

12‧‧‧floor

14‧‧‧Magnetic button

16‧‧‧Support frame

18‧‧‧First magnetic unit

20‧‧‧Key Cap

22‧‧‧Second magnetic unit

24‧‧‧ Opening

26‧‧‧Limited Department

28‧‧‧ accommodating space

D‧‧‧Preset direction

Claims (30)

A magnetic button comprises: a bottom plate; a support frame disposed on the bottom plate, the support frame having an opening; a first magnetic attraction unit disposed on the support frame; a keycap for being movable The method is disposed between the support frame and the bottom plate, wherein the key cap moves relative to the bottom plate along a predetermined direction; and a second magnetic attraction unit is disposed at a bottom of the key cap, the second magnetic attraction unit And a magnetic attraction force parallel to the predetermined direction is generated by the first magnetic attraction unit for driving the second magnetic attraction unit against the periphery of the opening and driving the keycap to pass through the opening. The magnetic button of claim 1, wherein the support frame includes a limiting portion, and an accommodating space is formed between the limiting portion and the bottom plate, and the limiting portion is used to restrict the key cap from being detached from the Accommodate space. The magnetic button of claim 2, wherein the first magnetic unit is disposed on a lower surface of the limiting portion, and a lower end of the first magnetic unit is coupled to an upper end of the second magnetic unit To produce the magnetic adsorption force. The magnetic button of claim 1, wherein the first magnetic unit and the second magnetic unit are a magnetic material and a magnetic conductive material, respectively. The magnetic button of claim 1, wherein the second magnetic unit comprises a plurality of segments, each segment being circumferentially disposed at the bottom of the keycap. A keyboard comprising: a bottom plate; and a plurality of magnetic buttons, respectively disposed on the bottom plate, each of the magnetic buttons comprising: a support frame disposed on the bottom plate, the support frame having an opening; a first magnetic attraction unit is disposed on the support frame; a key cap is movably disposed between the support frame and the bottom plate, the key cap moves relative to the bottom plate along a predetermined direction; and a second a magnetic attraction unit disposed at a bottom of the keycap, the second magnetic attraction unit and the first magnetic attraction unit generating a magnetic attraction force parallel to the predetermined direction for driving the second magnetic attraction unit Relying on the periphery of the opening, and driving the keycap to pass through the opening. The keyboard of claim 6, wherein the support frame includes a limiting portion, and an accommodating space is formed between the limiting portion and the bottom plate, and the limiting portion is used to restrict the keycap from being separated from the accommodating space. . The keyboard of claim 7, wherein the first magnetic unit is disposed on a lower surface of the limiting portion, and a lower end of the first magnetic unit is coupled to an upper end of the second magnetic unit to generate The magnetic adsorption force. The keyboard of claim 6, wherein the first magnetic unit and the second magnetic unit are a magnetic material and a magnetic conductive material, respectively. The keyboard of claim 6, wherein the second magnetic unit comprises a plurality of segments, each segment being circumferentially disposed at the bottom of the keycap. A magnetic button comprises: a bottom plate; a support frame disposed on the bottom plate, the support frame having an opening, the support frame having a first contoured inner side wall, the inner side wall being along a preset The inner side wall has a first side wall and a second side wall, the first side wall and the second side wall are opposite sides; a first magnetic element is disposed adjacent to the first side wall a second magnetic element disposed adjacent to the upper end of the second side wall; a keycap having a top portion of the keycap and a bottom of the keycap, the bottom of the keycap being larger than the upper portion of the keycap, the key The bottom of the cap has a second contoured outer sidewall, the outer sidewall has a third sidewall and a fourth sidewall, the third sidewall and the fourth sidewall corresponding to the first a sidewall and the second sidewall; a third magnetic component disposed adjacent to the third sidewall, the first magnetic component and the third magnetic component generating a first magnetic attraction; and a fourth magnetic a second attracting element is disposed adjacent to the fourth sidewall, the second magnetic component and the fourth magnetic component generating a second magnetic attraction force, wherein the second contour substantially conforms to the first contour, and the first The second contour is slightly smaller than the first contour, so that when the keycap moves relative to the bottom plate along the predetermined direction, no interference occurs between the bottom of the keycap and the support frame; wherein the first magnetic attraction force and the first The magnetic attraction force attracts the key cap from the adjacent sides to drive the keycap to rise, so that the upper part of the key cap passes through the opening. The magnetic button of claim 11, wherein the magnetic button further comprises a switch disposed on the bottom plate and located under the key cap, when a user applies a force to overcome the first magnetic attraction force and the first The magnetic attraction force causes the switch to be activated by the contact of the keycap when the keycap is moved downward to contact the switch. The magnetic button of claim 11, wherein the magnetic button further comprises a fifth magnetic element, the third magnetic element, and the fourth magnetic element A triangular distribution with the fifth magnetic element surrounds the upper portion of the keycap. The magnetic button of claim 11, wherein the magnetic button further comprises a fifth magnetic element and a sixth magnetic element, the third magnetic element, the fourth magnetic element, the first The five magnetic element and the sixth magnetic element are distributed in a quadrilateral shape to surround the upper portion of the keycap. The magnetic button of claim 11, wherein the support frame further has a limiting portion, and the limiting portion forms an accommodating space with the bottom plate, and the limiting portion is used for restricting the bottom of the keycap from being separated. The accommodation space. The magnetic button of claim 15, wherein a gap is provided between the upper portion of the keycap and the limiting portion, such that the upper portion of the keycap is moved relative to the bottom plate along the predetermined direction. There is no interference between the limit and the limit. The magnetic button of claim 11, wherein the first magnetic element and the third magnetic element are disposed adjacent to each other along the predetermined direction to generate the first magnetic attraction force. The magnetic button of claim 11, wherein the first magnetic element and the third magnetic element are respectively a magnetic material and a magnetic conductive material. The magnetic button of claim 11, wherein the third magnetic element comprises a plurality of segments, each segment being circumferentially disposed at the bottom of the keycap. A magnetic button comprises: a bottom plate; a support frame disposed on the bottom plate, the support frame having an opening and a limiting portion, the supporting frame having a first contour inner side wall, the inner side wall Linearly extending along a predetermined direction, the inner sidewall has a first sidewall and a second sidewall, the first sidewall and the second sidewall are opposite sides of the second sidewall, between the limiting portion and the bottom plate Forming an accommodating space; a first magnetic element disposed adjacent to the upper end of the first side wall; a second magnetic element disposed adjacent to the upper end of the second side wall; a keycap having a key An upper portion of the cap and a bottom of the keycap, the bottom of the keycap having a second contoured outer sidewall, the outer sidewall having a third sidewall and a fourth sidewall, the third sidewall and the fourth sidewall corresponding to the first a sidewall and the second sidewall, and the bottom of the keycap is restricted by the limiting portion and cannot be separated from the receiving space; a third magnetic component is disposed adjacent to the third sidewall, the first magnetic component Generating a first magnetic attraction force with the third magnetic element And a fourth magnetic element, disposed adjacent to the fourth sidewall of the second magnetic element and the fourth magnetic system generating a second magnetic attraction element a force, wherein the accommodating space has a vertical height and a horizontal width, and the ratio of the vertical height to the horizontal width is less than 0.3, so that the maximum value of the tilt angle of the key cap in the accommodating space is substantially less than 17 The first magnetic attraction force and the second magnetic adsorption force attract the key cap from non-adjacent sides to drive the keycap to rise, thereby allowing the upper portion of the keycap to pass through the opening. The magnetic button of claim 20, wherein the magnetic button further comprises a switch disposed on the bottom plate and under the keycap, when a user applies a force to overcome the first magnetic attraction force and the first The magnetic attraction force causes the switch to be activated by the contact of the keycap when the keycap is moved downward to contact the switch. The magnetic button of claim 20, wherein the magnetic button further comprises a fifth magnetic element, the third magnetic element, the fourth magnetic element and the fifth magnetic element have a triangle Distributed around the upper part of the keycap. The magnetic button of claim 20, wherein the magnetic button further comprises a fifth magnetic element and a sixth magnetic element, the third magnetic element, the fourth magnetic element, the first Five magnetic elements and the sixth magnetic The elements are distributed in a quadrilateral shape around the upper portion of the keycap. The magnetic button of claim 20, wherein the key cap is pressed to move along the predetermined direction relative to the bottom plate to the vertical height of the accommodating space, and the accommodating space is The horizontal width is close to the width of the upper surface of the bottom of the keycap. The magnetic button of claim 20, wherein the ratio of the vertical height to the horizontal width is less than 0.05, and the maximum value of the tilt angle that the keycap can have in the accommodating space is substantially less than 3 degrees. The magnetic button of claim 20, wherein the second contour substantially conforms to the first contour, and the second contour is slightly smaller than the first contour, such that the keycap is along the predetermined direction relative to the When the bottom plate moves, there is no interference between the bottom of the keycap and the support frame. The magnetic button of claim 20, wherein a gap is provided between the upper portion of the keycap and the limiting portion, such that the keycap is moved relative to the bottom plate along the predetermined direction. There is no interference between the limit and the limit. The magnetic button of claim 20, wherein the first magnetic element and the third magnetic element are disposed adjacent to each other along the predetermined direction to generate the first A magnetic adsorption force. The magnetic button of claim 20, wherein the first magnetic element and the third magnetic element are a magnetic material and a magnetic conductive material, respectively. The magnetic button of claim 20, wherein the third magnetic element comprises a plurality of segments, each segment being circumferentially disposed at the bottom of the keycap.