Keyboard switch with annular magnet and keyboard

Through the indirect interactive design of the ring magnet and the mounting column, the problem of difficult sound modulation of traditional magnetic axis keyboards is solved, the feedback sound is diversified and personalized, and the sensitivity and response speed of the keyboard switch are improved.

CN223450743UActive Publication Date: 2025-10-17HUIZHOU TRANTEK ELECTRONICS
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Patent Information

Application Number
CN202422906765.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-17
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The rigid contact between the magnet and the shell in traditional magnetic axis keyboards makes it difficult to modulate the sound effects, and the magnet material is limited, making it difficult to achieve a wide range of sound expressiveness through material changes.

Method used

Using a ring magnet design, when the button is pressed, the magnet interacts indirectly with the housing through the mounting post. The timbre and volume of the feedback sound are adjusted by combining different materials. The mounting post and housing materials can be flexibly selected to achieve diverse sound effects.

Benefits of technology

It achieves wide-range adjustment of feedback sound to meet the needs of different users, provide personalized auditory enjoyment, and improve the sensitivity and response speed of keyboard switches.

✦ Generated by Eureka AI based on patent content.

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Abstract

The keyboard switch with the annular magnet comprises a shell, a button, a magnet and a spring, the magnet is installed on the button, the button can move up and down relative to the shell to drive the magnet to be close to or away from a PCB so as to achieve on-off of the switch, the magnet is the annular magnet, the middle of the magnet is provided with an open hole, and the spring is arranged in the open hole. The button is provided with an installation column matched with the open hole in an embedded mode, the magnet is connected to the periphery of the installation column in a sleeving mode, and when the button moves downwards to the tail end of the stroke, the installation column collides with the shell. According to the keyboard switch with the annular magnet and the keyboard provided by the utility model, when the button is pressed down, the magnet is not directly impacted, but indirectly interacts with the shell through the mounting column, so that diversified customization of sound effects can be realized by changing the materials of the mounting column and the shell; different materials are combined to change the timbre and volume of the feedback sound, and the noise reduction effect can be achieved at the same time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the keyboard switch field, specifically, especially, it relates to a keyboard switch with annular magnet and keyboard. BACKGROUND

[0002] In the traditional magnetic shaft design, the rigid contact between the magnet and the shell forms the basic sound source. This structure determines that a specific "click" sound will be produced every time the button is pressed or released, becoming a symbol of the identity of the magnetic shaft keyboard or related equipment. However, due to the physical properties of the magnet material being essentially constant, it becomes extremely difficult to enrich or modulate the sound effect by changing the magnet itself. Although the change of the shell material can have an impact on the sound quality, the magnet as the core component is limited in material by functional requirements and is difficult to replace easily. Therefore, even if a certain degree of sound effect adjustment is obtained by changing the shell material, it is still difficult to cross the boundaries of the material itself and achieve a wider sound performance. SUMMARY

[0003] Therefore, the utility model provides a keyboard switch with annular magnet, when the button is pressed, the magnet is no longer directly impacted, but indirectly interacts with the shell through the mounting column, so that the sound effect can be diversified and customized by changing the material of the mounting column and the shell, and the timbre and volume of the feedback sound can be changed by using different material combinations. For users who pursue an extreme quiet working environment, soft sound-absorbing materials can be selected to reduce the feedback sound to almost inaudible, creating a peaceful space. Conversely, if you prefer the rhythmic sound of tapping the keyboard, a material with strong resonance will be an excellent choice.

[0004] The utility model discloses a keyboard switch with annular magnet, which comprises a shell, a button, a magnet and a spring.

[0005] A keyboard switch with annular magnet, comprising a shell, a button, a magnet and a spring, the magnet is installed on the button, the button can move up and down relative to the shell, driving the magnet to approach or move away from the PCB board to realize the on-off of the switch, the magnet is an annular magnet, the middle part of the magnet is provided with an opening, the button is provided with a mounting column nested with the opening, the magnet is sleeved on the outer periphery of the mounting column, when the button moves downward to the end of the stroke, the mounting column collides with the shell.

[0006] Unlike the design of the past, when the button is pressed, the magnet is no longer directly impacted, but indirectly interacts with the shell through the mounting column, so the sound effect can be customized by changing the material of the mounting column and the shell. Through the combination of different materials, many different feedback sounds can be achieved, so that the tone and volume of the feedback sound can be adjusted in a wide range, providing users with an unprecedented personalized auditory experience. For users who pursue the ultimate quiet working environment, they can choose soft sound-absorbing materials to reduce the feedback sound to almost inaudible, creating a peaceful space. On the contrary, if you prefer the sound of tapping the keyboard, a material with strong resonance will be the best choice. This flexibility gives the keyboard switch unprecedented personalized options to meet the specific needs of different scenarios. The ring magnet can be sleeved on the mounting column, simplifying the assembly difficulty of the magnet, and making the assembly of the magnet and the button more firm and reliable. In addition, compared with traditional strip magnets, ring magnets have a wider adsorption surface, which means a larger control range and more stable attraction. When the button is pressed, the distance between the ring magnet and the PCB board is shortened, the sensitivity of the switch is higher, and the response speed is faster, giving people a sense of instant feedback.

[0007] Preferably, the mounting column is located on the median line of the button and serves as a guide to guide the relative sliding of the button and the shell. The shell is provided with a guide groove matched with the mounting column.

[0008] In one design idea, the mounting column is located on the median line of the button and plays a guiding role, guiding the relative sliding of the button along the predetermined path and the shell, improving the accuracy and consistency of the button action.

[0009] Preferably, the mounting column is located on the side of the button, and a guide column is further arranged on the median line of the button. The shell is provided with a guide groove matched with the guide column.

[0010] Another design idea is to place the mounting column on the side of the button, which does not bear the guiding role, and a guide column is arranged on the median line of the button as a guiding structure. The mounting column and the guide column operate independently and are responsible for supporting and guiding respectively, forming a complementary relationship. In high-intensity use scenarios, the side-mounted mounting column does not rub with the shell, which can effectively avoid the wear, deviation or deformation of the button during repeated pressing. The guide column on the median line focuses on guiding the vertical rising and falling of the button, maintaining a straight trajectory and ensuring the consistency of signal output.

[0011] Preferably, the outer periphery of the mounting column is further provided with an outer ring, and the inner side of the ring magnet is attached to the outer surface of the mounting column, and the outer side is attached to the inner surface of the outer ring.

[0012] The outer ring member surrounds the mounting column to form a semi-closed space, and the annular magnet is placed in the semi-closed space. The inner and outer sides of the annular magnet are tightly attached to the mounting column and the outer ring member, respectively, which not only significantly enhances the fixing effect of the magnet, but also greatly avoids the displacement risk caused by external vibration or pressure. At the same time, the existence of the outer ring member also provides additional structural support for the entire device, ensuring the durability and stability of long-term use, and prolonging the service life of the product.

[0013] Preferably, the mounting column and the outer ring member are integrally formed with the button or connected in a split type.

[0014] The connection mode of the mounting column and the outer ring member, whether integrally formed or connected in a split type, has its own unique advantages. The integrally formed advantage lies in the high structural continuity and strength, which helps to reduce the potential loosening or damage problems at the interface and has stronger ability to resist harsh environments. In contrast, the split type connection provides higher assembly convenience and convenience for later maintenance and replacement, facilitating individual customization or part replacement according to different needs, and taking into account practicality and economy.

[0015] Preferably, the button comprises an upper button and a lower button connected in a split type, and the mounting column and the outer ring member are arranged on the lower button.

[0016] The split type design of the button, i.e. dividing it into an upper button and a lower button, creates more possibilities for the combination of functionality and aesthetics. The mounting column and the outer ring member are positioned on the lower button, while the upper button carries the part directly contacting the user. The benefits of this are obvious: on the one hand, the split type design allows designers to have more creative space on the upper button, whether in terms of appearance variety or touch texture richness; on the other hand, the structural design of the lower button can focus more on optimizing mechanical performance without being disturbed by appearance factors, and the two complement each other to build a perfect operation platform.

[0017] Preferably, the shell comprises a base and a cover, and when the button descends to the end of the stroke, the mounting column collides with the base or the cover to produce a feedback sound.

[0018] A keyboard comprises a keyboard switch with an annular magnet as described above.

[0019] The utility model discloses the beneficial effects compared with prior art are:

[0020] The keyboard switch with the annular magnet is different from the design that the magnet directly impacts the shell in the prior art, when the button of the present scheme is pressed, the magnet is no longer directly impacted, but indirectly interacts with the shell through the mounting column, therefore, the sound effect can be diversified and customized by changing the material of the mounting column and the shell, and many different feedback sounds can be realized through the combination of different materials, so that the tone and volume of the feedback sound can be adjusted in a wide range, and unprecedented personalized auditory enjoyment is provided for the user. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0022] Figure 1 FIG. 1 is a cross-sectional view of the keyboard switch with the annular magnet according to the first embodiment of the present application.

[0023] Figure 2 FIG. 2 is an exploded view of the button and the magnet according to the first embodiment of the present application.

[0024] Figure 3 FIG. 3 is a cross-sectional view of the keyboard switch with the annular magnet according to the second embodiment of the present application.

[0025] Figure 4 FIG. 4 is an exploded view of the button and the magnet according to the second embodiment of the present application.

[0026] Figure 5 FIG. 5 is a cross-sectional view of the keyboard switch with the annular magnet according to the third embodiment of the present application.

[0027] Figure 6 FIG. 6 is an exploded view of the button and the magnet according to the third embodiment of the present application.

[0028] Figure 7 FIG. 7 is a structural view of the button and the magnet according to the third embodiment of the present application. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the following will be combined with the accompanying drawings to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the accompanying drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0031] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the embodiments of the present application, it needs to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0033] The technical solutions in the present application will be described below in combination with the accompanying drawings. Embodiment 1

[0034] The present embodiment provides a keyboard switch with a ring-shaped magnet, which comprises a shell 100, a button 200, a magnet 300 and a spring 400, the shell 100 comprises a base 110 and an upper cover 120, the magnet 300 is installed on the button 200, the button 200 is movable up and down relative to the base 110, driving the magnet 300 to approach or move away from a PCB board to realize the on-off of the switch, the PCB board is located at the bottom of the keyboard switch, and is internally provided with a device cooperating with the magnet, the middle part of the magnet 300 is provided with an opening 310, the button 200 is provided with a mounting column 210 nested with the opening 310, the magnet 300 is sleeved on the outer periphery of the mounting column 210, and when the button 200 goes down to the end of stroke, the mounting column 210 collides with the base 110 to emit a feedback sound. In other embodiments, the mounting column 210 can collide with the upper cover 120 to emit a feedback sound.

[0035] Unlike the design in the prior art in which the magnet 300 directly impacts the base 110, in the present application, when the button 200 is pressed, the magnet 300 no longer directly receives the impact, but instead indirectly interacts with the base 110 through the mounting column 210. Therefore, the sound effect can be diversified and customized by changing the material of the mounting column 210 and the base 110. Different combinations of materials can achieve many different feedback sounds, so that the timbre and volume of the feedback sound can be adjusted in a wide range, providing users with unprecedented personalized auditory enjoyment. For users who pursue an extremely quiet working environment, soft sound-absorbing materials can be selected to reduce the feedback sound to almost inaudible, creating a quiet space. Conversely, if you prefer the rhythmic sound of tapping the keyboard, then a material with strong resonance will be an excellent choice. This flexibility gives the keyboard switch unprecedented personalized options to meet specific needs in different scenarios.

[0036] In the present embodiment, the mounting column 210 is located on the vertical line of the button 200 and serves as a guide to guide the relative sliding of the button 200 and the base 110. The base 110 is provided with a guide groove 111 cooperating with the mounting column 210.

[0037] In one design idea, the mounting column 210 is located on the vertical line of the button 200 and plays a guiding role, guiding the relative sliding of the button 200 and the base 110 along a predetermined path, improving the accuracy and consistency of the action of the button 200.

[0038] In the present embodiment, the magnet 300 is a ring-shaped magnet.

[0039] The ring-shaped magnet can be sleeved on the mounting column 210, simplifying the assembly difficulty of the magnet 300 and making the assembly of the magnet 300 and the button 200 more firm and reliable. In addition, compared with the traditional strip-shaped magnet 300, the ring-shaped magnet has a wider adsorption surface, which means a larger control range and a more stable attraction. When the button 200 is pressed, the distance between the ring-shaped magnet and the PCB board is shortened, the sensitivity of the switch triggering is higher, and the response speed is faster, giving a sense of instant feedback.

[0040] In the present embodiment, the mounting column 210 and the button 200 are integrally formed. In other embodiments, the mounting column and the button can also be connected in a split type.

[0041] The advantage of integrally forming is the high structural continuity and strength, which helps to reduce potential looseness or damage at the interface and is more resistant to harsh environments. In contrast, split type connection provides higher assembly convenience and convenience for later maintenance and replacement, facilitating personalized customization or replacement of parts according to different needs, balancing practicality and economy.

[0042] In this embodiment, the button 200 comprises an upper button 201 and a lower button 202 connected in two parts, and the mounting column 210 is arranged on the lower button 202.

[0043] The two-part design of the button 200, i.e., dividing it into the upper button 201 and the lower button 202, creates more possibilities for the combination of functionality and aesthetics. The mounting column 210 is positioned on the lower button 202, while the upper button 201 carries the part that directly contacts the user. The benefits of this are obvious: on the one hand, the two-part design allows designers to be more creative on the upper button 201, whether in terms of the diversity of appearance or the richness of tactile texture, leaving more room for expression; on the other hand, the structural design of the lower button 202 can focus more on optimizing mechanical performance without being disturbed by appearance factors, complementing each other and jointly building a perfect operation platform. Embodiment 2

[0044] This embodiment provides a keyboard switch with a ring-shaped magnet, comprising a shell 100, a button 200, a magnet 300, and a spring 400. The shell 100 comprises a base 110 and an upper cover 120. The magnet 300 is installed on the button 200, which can move up and down relative to the base 110, driving the magnet 300 to approach or move away from the PCB board to realize the on-off of the switch. The PCB board is located at the bottom of the keyboard switch and internally provided with a device cooperating with the magnet. The central part of the magnet 300 is provided with an opening 310, and the button 200 is provided with a mounting column 210 nested with the opening 310. The magnet 300 is sleeved on the outer periphery of the mounting column 210. When the button 200 moves downward to the end of the stroke, the mounting column 210 collides with the base 110 to emit a feedback sound. In other embodiments, the mounting column 210 can collide with the upper cover 120 to emit a feedback sound.

[0045] Unlike the design of the magnet 300 directly impacting the base 110 in the past, when the button 200 is pressed, the magnet 300 is no longer directly impacted, but indirectly interacts with the base 110 through the mounting column 210. Therefore, the sound effect can be customized by changing the materials of the mounting column 210 and the base 110. Through the combination of different materials, many different feedback sounds can be achieved, allowing the tone and volume of the feedback sound to be adjusted in a wide range, providing users with unprecedented personalized auditory enjoyment. For users who pursue an extremely quiet working environment, they can choose soft sound-absorbing materials to reduce the feedback sound to almost inaudible, creating a quiet space. Conversely, if you prefer the rhythmic sound of pressing the keyboard, a material with strong resonance will be an excellent choice. This flexibility gives the keyboard switch unprecedented personalized options to meet specific needs in different scenarios.

[0046] In the present embodiment, the mounting column 210 is located on the median line of the button 200 and plays a guiding function to guide the relative sliding of the button 200 and the base 110, and the base 110 is provided with a guide groove 111 matched with the mounting column 210.

[0047] In one design idea, the mounting column 210 is located on the median line of the button 200 and plays a guiding role to guide the relative sliding of the button 200 and the base 110 along a predetermined path, thereby improving the accuracy and consistency of the action of the button 200.

[0048] In the present embodiment, the magnet 300 is a ring-shaped magnet.

[0049] The ring-shaped magnet can be sleeved on the mounting column 210, which simplifies the assembly difficulty of the magnet 300 and also makes the assembly of the magnet 300 and the button 200 more firm and reliable. In addition, compared with the traditional strip-shaped magnet 300, the ring-shaped magnet has a wider adsorption surface, which means a larger control range and a more stable attraction. When the button 200 is pressed, the distance between the ring-shaped magnet and the PCB board is shortened, the sensitivity of the triggered switch is higher, and the response speed is faster, giving a person a sense of instant feedback.

[0050] In the present embodiment, the outer periphery of the mounting column 210 is further provided with an outer ring member 230, and the inner side of the ring-shaped magnet is attached to the outer surface of the mounting column 210 and the outer side is attached to the inner surface of the outer ring member 230.

[0051] The outer ring member 230 surrounds the mounting column 210 to form a semi-closed space, and the ring-shaped magnet is placed in the semi-closed space. The inner and outer sides of the ring-shaped magnet are tightly attached to the mounting column 210 and the outer ring member 230, respectively, which not only significantly enhances the fixing effect of the magnet 300, but also greatly avoids the displacement risk caused by external vibration or pressure. At the same time, the existence of the outer ring member 230 also provides additional structural support for the entire device, ensuring the durability and stability of long-term use and prolonging the service life of the product.

[0052] In the present embodiment, the mounting column 210 and the outer ring member 230 are integrally formed with the button 200. In other embodiments, the mounting column and the outer ring member can also be connected in a split type.

[0053] The advantage of integral molding is the high structural continuity and strength, which helps to reduce the potential looseness or damage problem at the interface and has stronger ability to resist harsh environments. In contrast, split type connection provides higher assembly convenience and convenience for later maintenance and replacement, which is convenient for individual customization or replacement of parts according to different needs, and balances practicality and economy.

[0054] In the present embodiment, the button 200 comprises an upper button 201 and a lower button 202 connected in two parts, and the mounting column 210 and the outer ring 230 are arranged on the lower button 202.

[0055] The two-part design of the button 200, i.e. dividing it into an upper button 201 and a lower button 202, creates more possibilities for the combination of functionality and aesthetics. The mounting column 210 and the outer ring 230 are positioned on the lower button 202, while the upper button 201 carries the part that directly contacts the user. The benefits of this are obvious: on the one hand, the two-part design allows designers to be more creative on the upper button 201, whether in terms of the variety of appearance or the richness of tactile texture; on the other hand, the structural design of the lower button 202 can focus more on the optimization of mechanical performance, without being disturbed by appearance factors, and the two complement each other to build a perfect operation platform. Embodiment 3

[0056] The present embodiment provides a keyboard switch with a ring-shaped magnet, comprising a shell 100, a button 200, a magnet 300 and a spring 400, the shell 100 comprises a base 110 and an upper cover 120, the magnet 300 is installed on the button 200, the button 200 can move up and down relative to the base 110, driving the magnet 300 to approach or move away from the PCB board to realize the on-off of the switch, the PCB board is located at the bottom of the keyboard switch, and devices cooperating with the magnet are arranged inside, the middle part of the magnet 300 is provided with an opening 310, the button 200 is provided with a mounting column 210 nested with the opening 310, the magnet 300 is sleeved on the outer periphery of the mounting column 210, and when the button 200 goes down to the end of the stroke, the mounting column 210 collides with the base 110 to emit a feedback sound. In other embodiments, the mounting column 210 can collide with the upper cover 120 to emit a feedback sound.

[0057] Unlike the design of the magnet 300 directly impacting the base 110 in the past, when the button 200 is pressed, the magnet 300 is no longer directly impacted, but indirectly interacts with the base 110 through the mounting column 210, so that the sound effect can be diversified and customized by changing the materials of the mounting column 210 and the base 110, and many different feedback sounds can be achieved through the combination of different materials, so that the tone and volume of the feedback sound can be adjusted in a wide range, providing users with unprecedented personalized auditory enjoyment. For users who pursue an extremely quiet working environment, they can choose soft sound-absorbing materials to reduce the feedback sound to almost inaudible, creating a quiet space; on the contrary, if you prefer the sound of tapping the keyboard, a material with strong resonance will be a good choice. This flexibility gives the keyboard switch unprecedented personalized options to meet the specific needs of different scenarios.

[0058] In the embodiment, the mounting column 210 is located at the side of the button 200, and a guide column 220 is arranged on the median line of the button 200, and the shell 100 is provided with a guide groove 111 matched with the guide column 220.

[0059] The mounting column 210 is located at the side of the button 200 and does not undertake the guiding function, and the guide column 220 arranged on the median line of the button 200 is used as the guiding structure. The mounting column 210 and the guide column 220 independently operate respectively and are responsible for the supporting and guiding functions respectively, forming a complementary relationship. In the high-intensity use scene, the side-mounted mounting column 210 does not rub against the shell 100, which can effectively avoid the wear, deviation or deformation of the button 200 in the repeated pressing process. The guide column 220 on the median line focuses on guiding the vertical rising and falling of the button 200, maintaining the straight trajectory and ensuring the consistency of the signal output.

[0060] In the embodiment, the magnet 300 is a ring-shaped magnet.

[0061] The ring-shaped magnet can be sleeved on the mounting column 210, which simplifies the assembly difficulty of the magnet 300 and makes the assembly of the magnet 300 and the button 200 more firm and reliable. In addition, compared with the traditional strip-shaped magnet 300, the ring-shaped magnet has a wider adsorption surface, which means a larger control range and a more stable attraction. When the button 200 is pressed, the distance between the ring-shaped magnet and the PCB board is shortened, the sensitivity of the triggered switch is higher, the response speed is faster, and a person has a feeling of instant feedback.

[0062] In the embodiment, the outer periphery of the mounting column 210 is further provided with an outer ring 230, the inner side of the ring-shaped magnet is attached to the outer surface of the mounting column 210, and the outer side is attached to the inner surface of the outer ring 230.

[0063] The outer ring 230 surrounds the mounting column 210 to form a semi-closed space, and the ring-shaped magnet is placed in the semi-closed space. The inner and outer sides of the ring-shaped magnet are tightly attached to the mounting column 210 and the outer ring 230 respectively, which not only significantly enhances the fixing effect of the magnet 300, but also greatly avoids the displacement risk caused by external vibration or pressure. At the same time, the existence of the outer ring 230 also provides additional structural support for the entire device, ensuring the durability and stability of long-term use and prolonging the service life of the product.

[0064] In the embodiment, the mounting column 210 and the outer ring 230 are integrally formed with the button 200. In other embodiments, the mounting column and the outer ring can also be connected in a split type.

[0065] The integral molding has the advantages of high structural continuity and strength, which helps to reduce potential looseness or damage problems at the interface and has stronger ability to resist harsh environments.

[0066] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A keyboard switch with a ring magnet, characterized in that: The switch comprises a housing, a button, a magnet and a spring. The magnet is mounted on the button. The button can move up and down relative to the housing, driving the magnet closer to or away from the PCB board to turn the switch on and off. The magnet is a ring-shaped magnet with an opening in the middle. The button is provided with a mounting post that fits in the opening. The magnet is sleeved on the outer circumference of the mounting post. When the button moves downward to the end of its stroke, the mounting post collides with the housing.

2. The keyboard switch with an annular magnet according to claim 1, characterized in that: The mounting post is located on the mid-vertical line of the button and plays a guiding function, guiding the relative sliding of the button and the housing. The housing is provided with a guide groove that cooperates with the mounting post.

3. The keyboard switch with an annular magnet according to claim 1, wherein: The mounting post is located on the side of the button, a guide post is further provided on the mid-vertical line of the button, and the housing is provided with a guide groove matched with the guide post.

4. The keyboard switch with an annular magnet according to claim 2 or 3, characterized in that: An outer ring is further provided on the outer periphery of the mounting post. The inner side of the annular magnet is in contact with the outer surface of the mounting post, and the outer side of the annular magnet is in contact with the inner surface of the outer ring.

5. The keyboard switch with an annular magnet according to claim 4, characterized in that: The mounting post and the outer ring are integrally formed with the button or connected in a split manner.

6. The keyboard switch with an annular magnet according to claim 4, characterized in that: The button comprises an upper button and a lower button which are connected in a split manner, and the mounting column and the outer ring are arranged on the lower button.

7. The keyboard switch with an annular magnet according to claim 1, wherein: The housing includes a base and an upper cover. When the button moves downward to the end of its stroke, the mounting post collides with the base or the upper cover.

8. A keyboard, characterized in that: The invention comprises a keyboard switch having a ring magnet as claimed in any one of claims 1 to 7.