Tension spring type key module

Abstract

The tension spring type key module comprises a base, a tension spring, an upper cover, a key assembly and a trigger assembly, the base is matched with the upper cover to form a working bin with an opening in the top, the key assembly is installed in the working bin, and a part of the key assembly upwards extends out of the working bin from the opening. The key assembly has a free stroke in the vertical direction in the working bin, and the key assembly is matched with the working bin through at least one tension spring to realize elastic reset of the free stroke; the upper end of the tension spring is fixed in the working bin, the lower end of the tension spring is fixed on the key assembly, and when the key assembly moves downwards, the tension spring is pulled, and the key assembly pushes the trigger assembly to complete contact of contacts in the trigger assembly. The tension spring is adopted to replace a pressure spring, so that noise generated during key operation can be remarkably reduced. The structural change of the tension spring is different from that of the pressure spring when the tension spring bears force, so that noise is reduced, and more silent use experience is provided.

Description

Technical Field

[0001] The present application relates to the field of mechanical keys, and in particular to a tension spring type key module. Background Art

[0002] In the current market, most key modules adopt a compression spring design. Although this design is simple and low in cost, it has significant shortcomings.

[0003] Specifically, the key module with compression spring design will produce a unique "spring sound" when it is operated, especially at the moment of compression and release. This sound comes from the friction and collision of the metal spring in motion. Especially in offices, libraries and nighttime use scenarios where a quiet environment is required, the spring sound not only disturbs the user, but may also affect the work or rest of people around. In addition, for users who frequently use keyboards, such as coders, writers and gamers, long-term exposure to continuous and repetitive noise may cause auditory fatigue or psychological stress, thereby affecting work efficiency and quality of life.

[0004] In addition, the uneven and slow rebound of the keys in the compression spring design is directly related to the user's input efficiency and experience. When typing at high speed or playing fast-paced games, the quick response of the keys is crucial. If the keys rebound slowly, it will cause input delays, affecting consistency and accuracy, which in turn affects user performance and satisfaction. For professionals, this not only slows down the pace of work, but may also affect the quality of work results. In competitive games, every millisecond is crucial, and a slight delay in key response can lead to a loss in the game.

[0005] In summary, although the key module with compression spring design may have advantages in cost and manufacturing, in the long run, its existing problems will bring significant deficiencies in user experience and product performance. Utility Model Content

[0006] The present application aims to overcome at least one of the deficiencies of the prior art and to provide a tension spring type key module which uses a new structure and a tension spring as an elastic power source to effectively solve the deficiencies of the existing compression spring type key module.

[0007] To achieve the above-mentioned purpose, the present application discloses a tension spring type button module, including a base, a tension spring, an upper cover, a button assembly, and a trigger assembly, wherein the base and the upper cover cooperate to form a working chamber with an opening on the top, the button assembly is installed in the working chamber, and partially extends upward from the opening to the outside of the working chamber, the button assembly has a free travel in the vertical direction in the working chamber, and the button assembly and the working chamber are cooperated by at least one tension spring to achieve elastic reset of the free travel; the upper end of the tension spring is fixed in the working chamber, and the lower end is fixed on the button assembly, and when the button assembly moves downward, the tension spring is pulled; the trigger assembly is installed in the working chamber and aligned with the button assembly, and when the button assembly moves downward into place, the button assembly pushes the trigger assembly to complete the contact or separation of the contacts in the trigger assembly.

[0008] Furthermore, the base and the upper cover are connected and matched by means of snap buckles.

[0009] Furthermore, the button assembly includes an axis core located in the working chamber, a push rod connected to the axis core and partially extending out of the working chamber, and a slider installed on the axis core; the slider is provided with an inclined surface and a convex point provided on the inclined surface, and the trigger assembly is pushed to move within a specified stroke via the inclined surface and the convex point; correspondingly, a vertical guide groove cooperating with the axis core is provided in the working chamber.

[0010] Furthermore, the trigger assembly includes a conductive static sheet and an elastic dynamic sheet opposite to the static sheet and also conductive, wherein the elastic dynamic sheet is aligned with the key assembly, and both the static sheet and the elastic dynamic sheet are provided with pins extending out of the working chamber.

[0011] Furthermore, light-emitting lamp beads are installed in the base.

[0012] Compared with the prior art, the present invention has at least one of the following beneficial effects:

[0013] 1. Low noise: By using tension springs instead of compression springs, the noise generated when key operations are performed can be significantly reduced. The structural changes of tension springs when subjected to force are different from those of compression springs, which reduces the generation of noise and provides a quieter user experience.

[0014] 2. Improve rebound speed: The design of the tension spring allows the key to return to its original position faster after being released, which can improve the key response speed and operation efficiency. For gamers and professional typists, this improvement can bring a smoother and faster input experience.

[0015] 3. Enhanced durability: Compared with traditional compression springs, tension springs can better maintain their elasticity and performance during long-term use, thereby extending the service life of the key module. This design improvement improves the reliability and user satisfaction of the entire product.

[0016] 4. Environmental adaptability: The tension spring key module can better adapt to different environmental conditions, such as temperature and humidity changes, and maintain the stability of its performance.

[0017] Other features and advantages of the subject technology of the present application will be set forth in the following description, and in part will be apparent from the description, or can be learned by practicing the subject technology of the present application. The advantages of the subject technology of the present application will be realized and obtained through the structures specifically pointed out in the written description and its claims and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] After reading the following detailed description in conjunction with the accompanying drawings, you will better understand the various aspects of the present disclosure. The positions, sizes, and ranges of various structures shown in the accompanying drawings sometimes do not represent the actual positions, sizes, and ranges. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the cross-sectional structure of an embodiment disclosed in the present application.

[0020] Figure 2 It is a structural explosion diagram of an embodiment disclosed in the present application.

[0021] Figure 3 It is a structural explosion diagram of an embodiment disclosed in the present application from another perspective.

[0022] Figure 4 It is a structural explosion diagram of an embodiment disclosed in the present application from another perspective. DETAILED DESCRIPTION

[0023] The present disclosure will be described below with reference to the accompanying drawings, which illustrate several embodiments of the present disclosure. However, it should be understood that the present disclosure can be presented in a variety of different ways and is not limited to the embodiments described below; in fact, the embodiments described below are intended to make the disclosure of the present disclosure more complete and fully illustrate the scope of protection of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide more additional embodiments.

[0024] It should be understood that the same reference numerals represent the same elements throughout the drawings. In the drawings, the dimensions of certain features may be distorted for clarity.

[0025] It should be understood that the terms used in the specification are only used to describe specific embodiments and are not intended to limit the present disclosure. All terms (including technical terms and scientific terms) used in the specification have the meanings commonly understood by those skilled in the art unless otherwise defined. For the sake of brevity and / or clarity, the techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification.

[0026] The singular forms "a", "the" and "the" used in the specification include the plural forms unless clearly indicated. The terms "include", "comprise" and "contain" used in the specification indicate the presence of the claimed features, but do not exclude the presence of one or more other features. The term "and / or" used in the specification includes any and all combinations of one or more of the relevant listed items. The terms "between X and Y" and "between approximately X and Y" used in the specification should be interpreted as including X and Y. The term "between approximately X and Y" used in this specification means "between approximately X and approximately Y", and the term "from approximately X to Y" used in this specification means "from approximately X to approximately Y".

[0027] In the specification, when an element is said to be "on", "attached", "connected", "coupled", or "contacting" another element, the element may be directly on, attached, connected, coupled, or contacting another element, or there may be an intermediate element. In contrast, when an element is said to be "directly" "on", "directly attached", "directly connected", "directly coupled", or "directly contacting" another element, there will be no intermediate element. In the specification, a feature is arranged "adjacent" to another feature, which may refer to a feature having a portion that overlaps with an adjacent feature or a portion that is located above or below an adjacent feature.

[0028] In the specification, spatial relational terms such as "upper", "lower", "left", "right", "front", "back", "higher", "lower", etc. may describe the relationship of one feature to another feature in the drawings. It should be understood that the spatial relational terms include different orientations of the device in use or operation in addition to the orientation shown in the drawings. For example, when the device in the drawings is turned over, features previously described as being "below" other features may now be described as being "above" the other features. The device may also be oriented in other ways (rotated 90 degrees or in other orientations), and the relative spatial relationships will be interpreted accordingly. Example

[0029] Reference Figures 1 to 4The present embodiment discloses an exemplary structure of a tension spring type key module. As shown in the figure, the tension spring type key module of the present embodiment is intended to provide a high response speed and low noise key solution, which is suitable for environments that require quietness and high frequency of use, such as offices, games, and professional typing. It introduces a tension spring to replace the traditional compression spring mechanism to achieve a fast and quiet key rebound function.

[0030] In terms of structure, this embodiment includes a base 1 and an upper cover 2, wherein the base 1 serves as the basis of the entire key module and provides a stable support and installation position. The base 1 is designed with slots and fixing points for installing other components. The upper cover 2 cooperates with the base 1 to form a working chamber 3 with an opening on the top. The upper cover 2 is designed with a buckle, which is buckled with the corresponding part of the base 1 to achieve a stable connection and facilitate later maintenance or component replacement.

[0031] In this embodiment, the button assembly 4 is located in the working chamber 3 , and is connected to the working chamber 3 via two tension springs 5 ​​, and is aligned with the trigger assembly 6 which is also located in the working chamber 3 .

[0032] The tension spring 5 is a key elastic element connecting the interior of the upper cover 2 and the key assembly 4. The upper end of the tension spring 5 is fixed to a designated position inside the upper cover 2, and the lower end is fixed to the key assembly 4, ensuring that the tension spring 5 is stretched when the key is pressed and can be quickly reset after release.

[0033] It should be understood that, compared with traditional compression springs, compression springs are compressed when the key is pressed and return to their original state when released. In this process, the coils of the compression spring may rub against each other, especially when compressed and released quickly, and this friction will produce noise. In addition, the two ends of the compression spring may impact with its supporting points, further increasing the noise. The tension spring 5 works in a tensile state. When the key is pressed, the tension spring 5 is stretched and returns to its original length after release. Since the tension spring 5 mainly absorbs and releases energy through stretching rather than compression, there is less mutual friction between the coils, reducing the generation of noise.

[0034] Specifically, the key assembly 4 includes an axis core 7, a push rod 8, and a slider 9, wherein the axis core 7 is located in the working chamber 3 and is aligned with a vertical guide groove 13 provided in the working chamber 3. It is the core component of the key assembly 4 and provides a stable vertical guide. The push rod 8 is connected to the axis core 7 and partially extends out of the working chamber 3. The user operates the key by pressing the push rod 8. In most cases, the push rod 8 cooperates with a cap with key information (not shown in the figure). The slider 9 is installed on the axis core 7 and is designed with an inclined surface and convex points on the inclined surface. These convex points push the trigger assembly 6 within a specified stroke to achieve circuit connection or disconnection.

[0035] In this embodiment, the trigger assembly 6 includes a static sheet 10 and an elastic movable sheet 11: both are made of conductive materials, and the elastic movable sheet 11 is designed to align with the convex point below the key assembly 4. When the key is moved down to the right position, the convex point on the slider 9 pushes the elastic movable sheet 11 to separate from the static sheet 10, completing the triggering of the circuit.

[0036] In order to realize the extraction of trigger information, the static piece 10 and the elastic movable piece 11 are provided with pins extending out of the working chamber 3 for connecting the key module with the circuit board.

[0037] As a preferred embodiment, in this embodiment, the light-emitting lamp bead 12 is installed inside the base 1 and is designed to provide a backlight or indicator light function to enhance the user experience and visual effect.

[0038] Although the exemplary embodiments of the present disclosure have been described, it should be understood by those skilled in the art that various changes and modifications can be made to the exemplary embodiments of the present disclosure without departing from the spirit and scope of the present disclosure in essence. Therefore, all changes and modifications are included in the scope of protection of the present disclosure as defined by the claims. The present disclosure is defined by the appended claims, and the equivalents of these claims are also included.

Claims

1. A tension spring type key module, characterized in that: It includes a base, a tension spring, an upper cover, a button assembly, and a trigger assembly, wherein the base cooperates with the upper cover to form a working chamber with an opening on the top, the button assembly is installed in the working chamber, and partially extends upward from the opening to the outside of the working chamber, the button assembly has a free travel in the vertical direction in the working chamber, and the button assembly and the working chamber are cooperated by at least one tension spring to achieve elastic reset of the free travel; the upper end of the tension spring is fixed in the working chamber, and the lower end is fixed on the button assembly, and when the button assembly moves downward, the tension spring is pulled; the trigger assembly is installed in the working chamber and aligned with the button assembly, and when the button assembly moves downward into position, the button assembly pushes the trigger assembly to complete the contact or separation of the contacts in the trigger assembly.

2. A tension spring type key module as claimed in claim 1, characterized in that: The base and the upper cover are connected and matched by buckles.

3. A tension spring type key module as claimed in claim 1, characterized in that: The button assembly includes an axis core located in a working chamber, a push rod connected to the axis core and partially extending out of the working chamber, and a slider installed on the axis core; the slider is provided with an inclined surface and a convex point on the inclined surface, and the trigger assembly is pushed to move within a specified stroke via the inclined surface and the convex point; correspondingly, a vertical guide groove cooperating with the axis core is provided in the working chamber.

4. A tension spring type key module as claimed in claim 1, characterized in that: The trigger assembly includes a conductive static sheet and a conductive elastic movable sheet opposite to the static sheet, wherein the elastic movable sheet is aligned with the key assembly, and both the static sheet and the elastic movable sheet are provided with pins extending out of the working chamber.

5. A tension spring type key module as claimed in claim 1, characterized in that: A luminous lamp bead is installed in the base.

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