A key switch and a keyboard

Abstract

The utility model discloses a kind of key switch and keyboard, wherein, a kind of key switch includes shell, button, spring and filler, shell includes the upper cover and base connected, the upper cover and base are enclosed with chamber, the upper cover is equipped with the avoiding hole being communicated with chamber, button is slidably worn in avoiding hole, spring is arranged between the bottom of chamber and button, spring can drive button reset, filler is arranged in at least one of upper cover, base and button, to be able to fill chamber to reduce the cavity noise generated in chamber. Through the above structure, on the one hand, the filler fills the chamber inside the key switch, can make the space of chamber reduce, to be able to inhibit the compression, release and resonance phenomenon of air in chamber during button pressing down / resetting process, so as to be able to weaken the generation of cavity noise, optimize sound performance from noise source. Compared with traditional external filling scheme, the mode of optimizing sound performance of the application scheme is more direct, and the effect is more significant.

Description

Technical Field

[0001] This utility model relates to the field of keyboard technology, and in particular to a key switch and a keyboard. Background Technology

[0002] In the design and application of modern keyboards, users have increasingly stringent requirements for the keyboard's user experience, with sound performance being a key factor affecting this. To improve keyboard sound performance and reduce cavity noise generated by key amplification during key presses, existing technologies involve filling the structural gaps within the keyboard with materials. Examples include filling the gap between the bottom of the keyboard casing and the printed circuit board with a base layer, placing a core layer between the positioning plate and the printed circuit board, and placing a backing pad directly between the bottom of the key switch and the printed circuit board. However, further research by the inventors revealed that these existing technologies primarily address the sound propagation path and do not address the core noise source: the key switch itself (the cavity inside the key switch is the source of cavity noise. Specifically, during the key switch's press and release, air compression and release occur within the cavity, leading to cavity resonance and amplification, thus generating cavity noise). Therefore, these existing technologies indirectly optimize sound performance and have limited effectiveness. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a push-button switch.

[0004] This utility model also proposes a keyboard with the same key switch.

[0005] A push-button switch according to a first aspect of the present invention includes a housing, a button, a spring, and a filler. The housing includes a connected upper cover and a base, the upper cover and the base forming a cavity. The upper cover has a clearance hole communicating with the cavity. The button is slidably disposed through the clearance hole. The spring is disposed between the bottom of the cavity and the button, and the spring can drive the button to reset. The filler is disposed in at least one of the upper cover, the base, and the button to fill the cavity and reduce cavity noise generated in the cavity.

[0006] A push-button switch according to an embodiment of the present utility model has at least the following beneficial effects:

[0007] Through the aforementioned structure, on the one hand, the filling material fills the internal cavity of the key switch, reducing the cavity space and suppressing the compression, release, and resonance of air within the cavity during button pressing / resetting. This weakens the generation of cavity noise and optimizes sound performance from its source. Compared to traditional external filling solutions (such as bottom cotton, sandwich cotton, and under-switch pads), this application's solution optimizes sound performance more directly and significantly. On the other hand, the filling material is placed inside the key switch of the keyboard, without altering the internal structural design of the keyboard. Furthermore, this application's solution can be used in conjunction with traditional external filling solutions (such as bottom cotton, sandwich cotton, and under-switch pads) to drastically improve the keyboard's sound performance.

[0008] According to some embodiments of the present invention, the base is provided with the filling element located at the bottom of the chamber.

[0009] According to some embodiments of the present invention, one of the base and the filling member located at the bottom of the chamber is provided with a connecting post, and the other is provided with a connecting hole, and the connecting post is inserted into the connecting hole.

[0010] According to some embodiments of the present invention, the base is provided with a guide post, and the filling element located at the bottom of the chamber is sleeved on the guide post.

[0011] According to some embodiments of the present invention, the chamber includes a first cavity segment located on the upper cover, and the first cavity segment is provided with the filling element.

[0012] According to some embodiments of the present invention, the filler located in the first cavity section abuts against the base.

[0013] According to some embodiments of the present invention, the chamber includes a second cavity segment located at the button, and the second cavity segment is provided with the filling element.

[0014] According to some embodiments of the present invention, the material of the top cover is different from that of the filling material disposed thereon, or the material of the base is different from that of the filling material disposed thereon, or the material of the button is different from that of the filling material disposed thereon.

[0015] According to some embodiments of the present invention, the top cover and the filler of different materials disposed thereon are integrally formed, or the base and the filler of different materials disposed thereon are integrally formed, or the button and the filler of different materials disposed thereon are integrally formed.

[0016] The keyboard according to a second aspect of the present invention includes a key switch as described above.

[0017] The keyboard according to the embodiments of the present invention has at least the following beneficial effects: the above structure can reduce cavity noise, thereby improving the sound performance of the keyboard.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0020] Figure 1 This is a structural diagram of an embodiment of the push-button switch of this utility model;

[0021] Figure 2 for Figure 1 A cross-sectional view of the push-button switch shown;

[0022] Figure 3 for Figure 1 A partial exploded view of the push-button switch shown;

[0023] Figure 4 for Figure 3 An exploded view of the top cover shown;

[0024] Figure 5 for Figure 1 Another cross-sectional view of the push-button switch shown;

[0025] Figure 6 This is a structural diagram of another embodiment of the push button switch of this utility model;

[0026] Figure 7 for Figure 6 The cross-sectional view of the push-button switch shown.

[0027] Figure label:

[0028] 100 housing, 110 top cover, 111 clearance hole, 112 first cavity section, 120 base, 121 connecting post, 122 positioning block, 123 guide post;

[0029] Button 200, second cavity 210;

[0030] Spring 300;

[0031] Filler 400, connecting hole 410;

[0032] Magnet 500;

[0033] Chamber S. Detailed Implementation

[0034] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0035] In the description of this utility model, the use of terms such as first, second, third, fourth, and fifth is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or implicitly indicating the order of the technical features indicated.

[0036] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device 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.

[0037] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0038] Reference Figures 1 to 5 This utility model provides a push-button switch, which includes a housing 100, a button 200, a spring 300, and a filler 400.

[0039] The housing 100 includes a connected upper cover 110 and a base 120, which together form a cavity S. The upper cover 110 has a clearance hole 111 communicating with the cavity S. A button 200 is slidably inserted through the clearance hole 111. A spring 300 is located between the bottom of the cavity S and the button 200, and the spring 300 can drive the button 200 to reset. Both the upper cover 110 and the base 120 are provided with a filler 400, which can fill the cavity S to reduce cavity noise generated in the cavity S. The filler 400 can be made of materials such as foam and silicone.

[0040] Understandably, in order to further reduce or eliminate cavity noise, the material of the filler 400 can be set to a sound-absorbing material.

[0041] Through the above structure, on the one hand, the filling component 400 fills the cavity S inside the key switch, which reduces the space of the cavity S and suppresses the compression, release, and resonance of air in the cavity S during the pressing / resetting of the button 200. This reduces the generation of cavity noise and optimizes sound performance from the source of noise. Compared with traditional external filling solutions (such as bottom cotton, sandwich cotton, and under-switch pad solutions), the solution of this application optimizes sound performance more directly and significantly. On the other hand, the filling component 400 fills inside the key switch of the keyboard without changing the internal structural design of the keyboard. Furthermore, the solution of this application can be used in conjunction with traditional external filling solutions (such as bottom cotton, sandwich cotton, and under-switch pad solutions) to maximize the improvement of keyboard sound performance.

[0042] In this embodiment, refer to Figure 2 The button 200 is equipped with a magnet 500, and the push-button switch in this application is a magnetic shaft. Of course, in some embodiments, the push-button switch can be a mechanical shaft.

[0043] In some embodiments, the filler 400 may be provided only on the top cover 110 or the base 120.

[0044] In this embodiment, both the upper cover 110 and the base 120 are provided with filler 400. The filler 400 provided on the upper cover 110 is named the first filler, and the filler 400 provided on the base 120 is named the second filler.

[0045] The base 120 is equipped with a second filler; for details, please refer to [reference needed]. Figure 2 and Figure 3 The base 120 is provided with a connecting post 121 located at the bottom of the chamber S, and the second filling member is provided with a connecting hole 410, and the connecting post 121 is inserted into the connecting hole 410.

[0046] With the above structure, the second filling element is directly located at the bottom of the chamber S, directly facing the main area of ​​air compression / release inside the push-button switch. This allows it to specifically absorb cavity noise generated near the base 120 due to spring rebound and airflow impact. The second filling element can cover the bottom surface of the chamber S to reduce or eliminate the sound wave reflection effect of the rigid base 120 (typically plastic / metal), suppressing the superposition of resonant energy.

[0047] In some embodiments, provided that the chamber S has a reserved space for the button 200 to move up and down, the second filling member is provided to fill the remaining space of the chamber S.

[0048] In some embodiments, the connecting hole 410 is provided on the base 120 and located at the bottom of the chamber S, and the connecting post 121 is provided on the second filler.

[0049] In some embodiments, the base 120 is provided with a second filler, specifically, see [reference]. Figure 7 The base 120 is provided with a guide post 123 located at the bottom of the chamber S, and the second filling member is sleeved on the guide post 123. The guide post 123 allows the button 200 to slide through, so as to improve the stability of the button 200 when it moves along the vertical axis.

[0050] In some embodiments, the second filler is disposed on the base 120 and located on the side of the chamber S.

[0051] In some embodiments, the second filler is attached to the base 120 by adhesive bonding and is located at the bottom of the chamber S.

[0052] The top cover 110 is equipped with a first filling element, for details, please refer to... Figure 2 and Figure 4 The chamber S includes a first cavity segment 112 located on the upper cover 110, and the first cavity segment 112 is provided with a first filling element.

[0053] In this embodiment, refer to Figure 2 The first filling material located in the first cavity 112 abuts against the base 120.

[0054] With the above structure, there is an assembly gap between the upper cover 110 and the base 120. The upper cover 110 abuts against the base 120 through the first filler, which can reduce the assembly gap between the two and reduce the sound wave escape gap.

[0055] In this embodiment, refer to Figure 3 and Figure 5 The base 120 is provided with two positioning blocks 122, which are located on the bottom sides of the first filling material.

[0056] With the above structure, the two positioning blocks 122 can limit the offset of the first filler, thereby improving the stability of the first filler against offset deformation.

[0057] In some embodiments, refer to Figure 7 The button 200 is provided with a filler 400 (named the third filler). Specifically, the chamber S includes a second cavity segment 210 located in the button 200, and the second cavity segment 210 is provided with the third filler. The spring 300 is located between the bottom of the chamber S and the third filler, and the third filler can absorb part of the vibration generated when the spring 300 returns to its original position.

[0058] In this embodiment, the material of the upper cover 110 is different from the material of the first filler provided thereon, and the material of the base 120 is different from the material of the second filler provided thereon.

[0059] The above structure allows for a sound reduction effect far exceeding that of a single material through material differentiation design.

[0060] In some embodiments, the material of the button 200 is different from the material of the third filler disposed thereon.

[0061] In some embodiments, the top cover 110 is integrally formed with a first filler element disposed thereon, the base 120 is integrally formed with a second filler element disposed thereon, and the button 200 is integrally formed with a third filler element disposed thereon. It is understood that the integral forming of different materials can be achieved through processes such as secondary injection molding.

[0062] This invention also proposes a keyboard that includes the aforementioned key switches. This structure reduces cavity noise, thereby improving the keyboard's sound performance.

[0063] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A key switch characterized by: include The housing (100) includes a connected upper cover (110) and a base (120), the upper cover (110) and the base (120) forming a cavity (S), and the upper cover (110) is provided with a clearance hole (111) communicating with the cavity (S). A button (200) is slidably inserted into the clearance hole (111). A spring (300) is disposed between the bottom of the chamber (S) and the button (200), and the spring (300) is capable of driving the button (200) to reset; A filler (400) is provided in at least one of the top cover (110), the base (120), and the button (200) to fill the cavity (S) to reduce cavity noise generated by the cavity (S).

2. A push-button switch according to claim 1, characterized in that: The base (120) is provided with the filler (400) located at the bottom of the chamber (S).

3. A push-button switch according to claim 2, characterized in that: The base (120) and the filler (400) located at the bottom of the chamber (S) are provided with a connecting post (121) and a connecting hole (410), respectively, with the connecting post (121) inserted into the connecting hole (410).

4. A push-button switch according to claim 2, characterized in that: The base (120) is provided with a guide post (123), and the filler (400) located at the bottom of the chamber (S) is sleeved on the guide post (123).

5. A push-button switch according to claim 1, characterized in that: The chamber (S) includes a first cavity segment (112) located on the upper cover (110), the first cavity segment (112) being provided with the filler (400).

6. A push-button switch according to claim 5, characterized in that: The filler (400) located in the first cavity (112) abuts against the base (120).

7. A push-button switch according to claim 1, characterized in that: The chamber (S) includes a second cavity (210) located on the button (200), and the second cavity (210) is provided with the filler (400).

8. A push-button switch according to claim 1, characterized in that: The material of the top cover (110) is different from that of the filler (400) thereon, or the material of the base (120) is different from that of the filler (400) thereon, or the material of the button (200) is different from that of the filler (400) thereon.

9. A push-button switch according to claim 8, characterized in that: The top cover (110) is integrally formed with the filler (400) of different materials disposed thereon, or the base (120) is integrally formed with the filler (400) of different materials disposed thereon, or the button (200) is integrally formed with the filler (400) of different materials disposed thereon.

10. A keyboard characterized by: Includes a push-button switch as described in any one of claims 1-9.

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