Keyboard key

By designing the key shaft as a split type and setting an upper opening mounting slot on the main body, combined with a limiting structure and snap-fit ​​method, the problems of magnet loosening and misalignment are solved, thereby improving the lifespan of the key and signal stability.

CN223967856UActive Publication Date: 2026-03-03DONGGUAN HEJIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520531370.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-03-03
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

In existing magnetic induction buttons, the magnet is prone to deformation, positional shift, and loosening of the mounting slot due to interference fit, which affects the stability and lifespan of the button.

Method used

The button shaft is designed as a split type, and a mounting slot with an opening at the top is set on the main body of the button shaft. The magnetic component is installed from the top opening. Combined with the limiting structure and snap-fit ​​method, the magnet is prevented from loosening or shifting.

Benefits of technology

It improves the lifespan of the buttons and the stability of magnetic induction, ensuring the stability of the button signals.

✦ Generated by Eureka AI based on patent content.

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Abstract

The keyboard key comprises a base, an upper cover is buckled on the base, an opening is formed in the top of the upper cover, a containing cavity is formed after the base and the upper cover are buckled, a key shaft and an elastic reset mechanism enabling the key shaft to reset upwards are arranged in the containing cavity, and the upper portion of the key shaft is exposed out of the opening in the top of the upper cover. The key shaft comprises a key cap connecting portion and a main body portion which are arranged in a split mode, the main body portion is provided with a limiting column, the limiting column is provided with an installation groove, the upper end of the installation groove is open, and the magnetic element is installed in the installation groove from the opening in the upper end of the installation groove. According to the utility model, the key shaft is changed into a split type from an integrated type, and the main body part of the key shaft is provided with the mounting groove with the opening at the upper end, so that the problem that the magnetic element is loosened from the mounting groove is avoided, the service life of the key is prolonged, the condition that the magnetic element deviates in the mounting groove due to extrusion is also avoided, and the service life of the key is prolonged. The stability of key magnetic induction is improved, and the stability of key signals is improved.
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Description

Technical Field

[0001] This utility model relates to the field of keyboard switch technology, and specifically discloses a keyboard button. Background Technology

[0002] With the rapid development of computer keyboard technology, magnetic induction keys are becoming increasingly popular among computer gamers and have been successfully applied to keyboards. Magnetic induction keys include a vertically pressable key shaft and a housing that supports the vertical movement of the key shaft. A magnet is installed on the key shaft, and a Hall switch is installed in the housing. The magnetic induction key moves the magnet up and down by vertically pressing the key shaft. By changing the distance between the magnet and the Hall switch, the signal change of the Hall switch is sensed, thus realizing the function of the magnetic induction key.

[0003] In existing magnetic induction buttons, a downward-facing mounting groove is usually set at the bottom of the button shaft. The magnet is inserted into the mounting groove through the opening. To prevent the magnet from falling out, the magnet and the mounting groove are usually assembled with an interference fit. This installation method can easily cause the mounting groove to be squeezed and deformed, causing the magnet to shift in position within the mounting groove. This affects the stability of the magnetic induction during button use and can also easily lead to the magnet loosening and falling off, affecting the lifespan of the button. Utility Model Content

[0004] This invention addresses the shortcomings of existing technologies by providing a keyboard key that prevents the magnet from becoming loose and improves the key's lifespan.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A keyboard key includes a base with a top cover fastened to it. The top of the top cover has an opening, and the base and top cover, when fastened together, form a receiving cavity. A key shaft and an elastic reset mechanism for resetting the key shaft upwards are disposed within the receiving cavity. The upper part of the key shaft protrudes from the opening at the top of the top cover. The key shaft includes a separate keycap connecting part and a main body. The main body has a limiting post with a mounting groove. The mounting groove has an opening at its upper end and contains a magnetic element. The magnetic element is inserted into the mounting groove through the opening at its upper end. This invention, by changing the key shaft from a one-piece design to a separate design and providing a mounting groove with an opening at the upper end of the key shaft main body, avoids the problem of the magnetic element detaching from the mounting groove, improves the lifespan of the key, and prevents the magnetic element from shifting in the mounting groove due to compression, thus improving the stability of the key's magnetic induction and the stability of the key signal.

[0007] As a preferred technical solution, the base is provided with a limiting sleeve corresponding to the limiting post. The upper end of the limiting sleeve is open and the lower end is closed. The limiting post is slidably disposed inside the limiting sleeve.

[0008] As a preferred technical solution, the sidewall of the receiving cavity forms a limiting slide, and the outer side of the button shaft forms a protrusion corresponding to the limiting slide, the protrusion being slidably connected to the limiting slide.

[0009] As a preferred technical solution, the lower end of the keycap connection is provided with a downwardly extending plunger, which is embedded in the mounting groove from the opening of the mounting groove.

[0010] As a preferred technical solution, the upper cover is provided with a first hook extending downwards, and the base is provided with a first slot corresponding to the first hook. The upper cover is hooked into the first slot by the first hook and fastened to the base.

[0011] As a preferred technical solution, the base is provided with a first positioning groove, and the upper cover is provided with a first positioning block corresponding to the first positioning groove, the first positioning block being embedded in the first positioning groove.

[0012] As a preferred technical solution, the keycap connecting part is provided with a first connecting plate, the edge of the first connecting plate is provided with a downwardly extending second hook, the main body is provided with a second slot corresponding to the second hook, the upper end of the limiting post is provided with a second connecting plate, the second connecting plate is provided with a first clearance hole for the second hook to pass through, during assembly, the second hook passes through the first clearance hole from top to bottom and engages with the second slot, thereby fixing the keycap connecting part to the main body.

[0013] As a preferred technical solution, the lower surface of the first connecting plate is provided with a second positioning block extending radially, and the upper surface of the second connecting plate is provided with a second positioning groove corresponding to the second positioning block. The second positioning groove is connected to the first clearance hole, and the second positioning block is embedded in the second positioning groove.

[0014] As a preferred technical solution, the keycap connecting part is provided with a first connecting plate, the upper end of the limiting post is provided with a second connecting plate, the edge of the second connecting plate is provided with a horizontally outward protruding locking block, the keycap connecting part is provided with a third locking groove corresponding to the locking block, the upper surface of the second connecting plate is provided with a radially extending third positioning block, the upper surface of the first connecting plate is provided with a third positioning groove corresponding to the third positioning block, and the lower end of the first connecting plate is formed with a fourth positioning groove adapted to the shape of the second connecting plate. During assembly, the second connecting plate is embedded in the fourth positioning groove from bottom to top, the third positioning block is embedded in the third positioning groove from bottom to top, and the keycap connecting part is fixedly connected to the main body by the first locking block being inserted into the third locking groove.

[0015] As a preferred technical solution, the keycap connecting part is provided with a first riveting seat, the first riveting seat is provided with a downwardly extending riveting post, the main body is provided with a second riveting seat, the second riveting seat is provided with a riveting hole corresponding to the riveting post, the second riveting seat is provided with a positioning seat protruding upward, and the first riveting seat is provided with a fifth positioning groove corresponding to the positioning seat. During assembly, the positioning seat is embedded in the fifth positioning groove, and the riveting post is riveted to the riveting hole, thereby fixing the keycap connecting part to the main body.

[0016] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, by changing the key shaft from an integrated type to a split type and setting an upper-opening mounting groove on the main body of the key shaft, the problem of magnetic components coming loose from the mounting groove is avoided, the service life of the key is improved, and the situation of magnetic components being misaligned in the mounting groove due to compression is also avoided, thereby improving the stability of the key's magnetic induction and the stability of the key signal.

[0017] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments: Attached Figure Description

[0018] Figure 1 This is an assembly structure diagram of Embodiment 1 of this utility model;

[0019] Figure 2 This is a cross-sectional structural schematic diagram of Embodiment 1 of this utility model;

[0020] Figure 3 This is an exploded structural diagram of Embodiment 1 of the present utility model;

[0021] Figure 4 This is an exploded view of the key shaft from the first perspective of an embodiment of this utility model;

[0022] Figure 5 This is an exploded view of the key shaft from a second perspective according to Embodiment 1 of this utility model;

[0023] Figure 6 This is an exploded view of the key shaft from the first perspective of Embodiment 2 of this utility model;

[0024] Figure 7 This is a structural diagram of the lower end of the keycap connecting part according to Embodiment 2 of this utility model;

[0025] Figure 8 This is an exploded view of the key shaft from the first perspective of Embodiment 3 of this utility model;

[0026] Figure 9 This is an exploded view of the key shaft from a second perspective of Embodiment 3 of this utility model;

[0027] Figure 10 This is an assembly structure diagram of Embodiment 4 of this utility model.

[0028] Explanation of reference numerals in the attached diagram:

[0029] 10. Base; 11. First slot; 12. First positioning slot

[0030] 13. Leaving groove; 14. Limiting sleeve; 20. Top cover

[0031] 21. First hook; 22. First positioning block; 23. Third hook

[0032] 30. Receiving cavity; 31. Limiting slide; 40. Button shaft

[0033] 41. Keycap connector; 411. Cross-shaped connector post; 412. Plunger

[0034] 413. First connecting plate; 414. Second hook; 415. Second positioning block

[0035] 416. Third slot; 417. Third positioning slot; 418. Fourth positioning slot

[0036] 419, First riveting seat; 4191, Riveting post; 4192, Fifth positioning groove

[0037] 42. Main body 421. Limiting post 422. Mounting groove

[0038] 423. Second connecting plate; 424. Second slot; 425. First clearance hole

[0039] 426. Second positioning slot; 427. Locking block; 428. Third positioning block

[0040] 429, Second riveting seat; 4291, Riveting hole; 4292, Positioning seat

[0041] 43. Protrusion 44. Magnetic element 45. Enclosure. Detailed Implementation

[0042] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0043] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] First, please refer to Figure 1-5 As shown in Embodiment 1 of this utility model, a keyboard key includes a base 10, on which a top cover 20 is fastened. The top of the top cover 20 has an opening. After the base 10 and the top cover 20 are fastened together, they form a receiving cavity 30. The receiving cavity 30 contains a key shaft 40 and an elastic reset mechanism (not shown) for resetting the key shaft 40 upwards. The upper part of the key shaft 40 protrudes from the opening at the top of the top cover 20. The key shaft 40 includes a keycap connecting part 41 and a main body part 42, which are separately configured. The main body part 42 has a limiting post 421. The limiting post 421 has a mounting groove 422. The mounting groove 422 is open at the top and closed at the bottom. A magnetic element 44 is provided in the mounting groove 422. The magnetic element 44 is inserted into the mounting groove 422 through the opening at the top of the mounting groove 422. This invention changes the button shaft 40 from a one-piece design to a separate design, and provides a mounting groove 422 with an opening at the top and a closed bottom on the main body 42 of the button shaft 40. By changing the button shaft from a one-piece design to a separate design and providing a mounting groove with an opening at the top on the main body of the button shaft, the problem of the magnetic component falling out of the mounting groove is avoided, thus improving the service life of the button and preventing the magnetic component from being misaligned in the mounting groove due to compression. This also improves the stability of the button's magnetic induction and the stability of the button signal. It should be understood that the mounting groove 422 can also be provided by a through-hole limiting post 421, and the opening diameter at the bottom of the mounting groove 422 is smaller than the outer diameter of the magnetic component, so that the magnetic component 44 cannot fall out from the bottom of the mounting groove 422.

[0045] In this invention, the upper cover 20 is provided with a downwardly extending first hook 21, which faces inward. The base 10 is provided with a first slot 11 corresponding to the first hook 21. The upper cover 20 is hooked into the first slot 11 by the first hook 21 and fastened to the base 10. The base 10 is provided with a first positioning groove 12, and the upper cover 20 is provided with a first positioning block 22 corresponding to the first positioning groove 12. The first positioning block 22 is embedded in the first positioning groove 12. To facilitate the installation of the keys on the keyboard, the lower edge of the upper cover 20 is also provided with a downwardly extending third hook 23, which faces outward. The periphery of the base 10 is provided with a relief groove 13 corresponding to the third hook 23. During assembly, the third hook 23 is embedded into the relief groove 13 from top to bottom.

[0046] In this invention, the base 10 is provided with a limiting sleeve 14 corresponding to the limiting post 421. The limiting sleeve 14 is open at the upper end and closed at the lower end, and the limiting post 421 is slidably disposed within the limiting sleeve 14. In actual use, a Hall switch can be installed inside the limiting sleeve 14. When the limiting post 421 moves up and down within the limiting sleeve 14, a signal change can be generated.

[0047] Specifically, the sidewall of the receiving cavity 30 forms a limiting slide 31, and the outer side of the key shaft 40 forms a protrusion 43 corresponding to the limiting slide 31, the protrusion 43 being slidably connected to the limiting slide 31. The upper end of the keycap connecting part 41 is provided with a cross connecting post 411, and the lower end is provided with a downwardly extending plunger 412. The cross connecting post 411 is exposed at the opening of the upper cover 20, and the plunger 412 is embedded in the mounting groove 422 from the opening of the mounting groove 422.

[0048] In this embodiment, the keycap connecting part 41 is provided with a first connecting plate 413, and the edge of the first connecting plate 413 is provided with a downwardly extending second hook 414. The main body part 42 is provided with a second slot 424 corresponding to the second hook 414. The upper end of the limiting post 421 is provided with a second connecting plate 423, and the second connecting plate 423 is provided with a first clearance hole 425 for the second hook 414 to pass through. During assembly, the second hook 414 passes through the first clearance hole 425 from top to bottom and engages with the second slot 424, thereby fixing the keycap connecting part 41 to the main body part 42. The lower surface of the first connecting plate 413 is provided with a radially extending second positioning block 415, and the upper surface of the second connecting plate 423 is provided with a second positioning groove 426 corresponding to the second positioning block 415. The second positioning groove 426 communicates with the first clearance hole 425, and the second positioning block 415 is embedded in the second positioning groove 426. By setting the second positioning block 415 and the second positioning groove 426, the stability of the connection between the keycap connecting part 41 and the main body part 42 is improved through the cooperation of the second positioning block 415 and the second positioning groove 426.

[0049] like Figure 6 and Figure 7 As shown, in Embodiment 2 of this utility model, the difference from the above embodiment is that the keycap connecting part 41 is provided with a first connecting plate 413, the upper end of the limiting post 421 is provided with a second connecting plate 423, the edge of the second connecting plate 423 is provided with a horizontally outward protruding locking block 427, the keycap connecting part 41 is provided with a third locking groove 416 corresponding to the locking block 427, the upper surface of the second connecting plate 423 is provided with a radially extending third positioning block 428, the upper surface of the first connecting plate 413 is provided with a third positioning groove 417 corresponding to the third positioning block 428, and the lower end of the first connecting plate 413 is formed with a fourth positioning groove 418 adapted to the shape of the second connecting plate 423. During assembly, the second connecting plate 423 is embedded in the fourth positioning groove 418 from bottom to top, the third positioning block 428 is embedded in the third positioning groove 417 from bottom to top, and the keycap connecting part 41 is fixedly connected to the main body part 42 by the first locking block 427 being inserted into the third locking groove 416.

[0050] like Figure 8 and Figure 9As shown, in Embodiment 3 of this utility model, the difference from the above embodiments is that the keycap connecting part 41 is provided with a first riveting seat 419, the first riveting seat 419 is provided with a downwardly extending riveting post 4191, the main body part 42 is provided with a second riveting seat 429, the second riveting seat 429 is provided with a riveting hole 4291 corresponding to the riveting post 4191, the second riveting seat 429 is provided with a positioning seat 4292 protruding upward, and the first riveting seat 419 is provided with a fifth positioning groove 4192 corresponding to the positioning seat 4292. During assembly, the positioning seat 4292 is embedded in the fifth positioning groove 4192, and the riveting post 4191 is riveted to the riveting hole 4291, thereby fixing the keycap connecting part 41 and the main body part 42 together.

[0051] like Figure 10 As shown, in this utility model, a surrounding plate 45 can also be provided on the outside of the cross connecting post 411 of the keycap connecting part 41. The surrounding plate 45 is integrally formed and connected with the keycap connecting part 41. During assembly, the surrounding plate 45 and the cross connecting post 411 are exposed from the opening of the upper cover 20.

[0052] In summary, this utility model avoids the problem of magnetic components coming loose from the mounting groove by changing the key shaft from an integrated type to a split type and by setting a mounting groove with an opening at the top of the key shaft body. This improves the service life of the key and also avoids the situation where the magnetic components are misaligned in the mounting groove due to compression, thereby improving the stability of the key's magnetic induction and the stability of the key signal.

[0053] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the actual technical aspects of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A keyboard key, comprising a base, a top cover fastened to the base, the top of the top cover having an opening, the base and the top cover forming a receiving cavity after being fastened together, the receiving cavity containing a key shaft and an elastic reset mechanism for resetting the key shaft upwards, the upper part of the key shaft protruding from the opening at the top of the top cover, characterized in that, The key shaft comprises a split key cap connecting part and a main body part, the main body part is provided with a limiting column, the limiting column is provided with a mounting slot, the upper end of the mounting slot is open, and a magnetic element is arranged in the mounting slot and is loaded into the mounting slot from the opening of the upper end of the mounting slot.

2. A keyboard key according to claim 1, wherein The base is provided with a limiting sleeve corresponding to the limiting column, the upper end of the limiting sleeve is open, and the lower end of the limiting sleeve is closed, and the limiting column is slidingly arranged in the limiting sleeve.

3. A keyboard key according to claim 1, wherein The side wall of the accommodating cavity forms a limiting slide, the outer side of the key shaft is formed with a protruding part corresponding to the limiting slide, and the protruding part is in sliding connection with the limiting slide.

4. The keyboard key of claim 1, wherein, The lower end of the key cap connecting part is provided with a plunger extending downward, and the plunger is embedded in the mounting slot from the opening of the mounting slot.

5. The keyboard key of claim 1, wherein, The upper cover is provided with a first clamping hook extending downward, the base is provided with a first clamping groove corresponding to the first clamping hook, and the upper cover is clamped in the first clamping groove and is buckled and connected with the base through the first clamping hook.

6. A keyboard key according to claim 5, wherein The base is provided with a first positioning groove, and the upper cover is provided with a first positioning block corresponding to the first positioning groove, and the first positioning block is embedded in the first positioning groove.

7. A keyboard key according to any one of claims 1-6, characterized in that The key cap connecting part is provided with a first connecting plate, the edge of the first connecting plate is provided with a second clamping hook extending downward, the main body part is provided with a second clamping groove corresponding to the second clamping hook, the upper end of the limiting column is provided with a second connecting plate, the second connecting plate is provided with a first accommodation hole for the second clamping hook to pass through, and when assembled, the second clamping hook passes through the first accommodation hole from top to bottom and is clamped in the second clamping groove, so as to fixedly connect the key cap connecting part and the main body part.

8. A keyboard key according to claim 7, wherein The lower surface of the first connecting plate is provided with a second positioning block extending in the radial direction, the upper surface of the second connecting plate is provided with a second positioning groove corresponding to the second positioning block, the second positioning groove is communicated with the first accommodation hole, and the second positioning block is embedded in the second positioning groove.

9. A keyboard key according to any one of claims 1-6, characterized in that The key cap connecting part is provided with a first connecting plate, the upper end of the limiting column is provided with a second connecting plate, the edge of the second connecting plate is outwardly provided with a clamping block in the horizontal direction, the key cap connecting part is provided with a third clamping groove corresponding to the clamping block, the upper surface of the second connecting plate is provided with a third positioning block extending in the radial direction, the upper surface of the first connecting plate is provided with a third positioning groove corresponding to the third positioning block, the lower end of the first connecting plate is formed with a fourth positioning groove matched in shape with the second connecting plate, and when assembled, the second connecting plate is embedded in the fourth positioning groove from bottom to top, the third positioning block is embedded in the third positioning groove from bottom to top, and the key cap connecting part is fixedly connected with the main body part by clamping the first clamping block into the third clamping groove.

10. A keyboard key according to any one of claims 1-6, characterized in that The key cap connecting part is provided with a first riveting seat, the first riveting seat is provided with a riveting column extending downward, the main body part is provided with a second riveting seat, the second riveting seat is provided with a riveting hole corresponding to the riveting column, the second riveting seat is upwardly provided with a positioning seat, the first riveting seat is provided with a fifth positioning groove corresponding to the positioning seat, and when assembled, the positioning seat is embedded in the fifth positioning groove, and the riveting column is riveted with the riveting hole, so as to fixedly connect the key cap connecting part and the main body part.