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CN-117059424-B - Key structure

CN117059424BCN 117059424 BCN117059424 BCN 117059424BCN-117059424-B

Abstract

The invention provides a key structure which comprises a bottom plate, a key cap, a scissor leg structure, a first sleeve, a second sleeve and a trigger piece. The keycap is arranged above the bottom plate. The scissors foot structure is configured between the bottom plate and the keycap. The first sleeve is connected with the keycap, wherein the first sleeve is positioned between the bottom plate and the keycap and is provided with a guiding chute. The second sleeve is rotatably inserted into the first sleeve, and the first sleeve is slidably sleeved on the second sleeve. The second sleeve is provided with a guide convex part and a notch opposite to the guide convex part, wherein the guide convex part is arranged in the guide chute in a sliding way, and the notch faces the bottom plate. The second sleeve is slidably sleeved on the trigger piece, wherein the trigger piece is provided with a trigger convex part which contacts the bottom plate, and the trigger convex part is positioned between the bottom plate and the second sleeve.

Inventors

  • CHEN HONGJI
  • LIN CHENGHAN

Assignees

  • 宏碁股份有限公司

Dates

Publication Date
20260508
Application Date
20220506

Claims (10)

  1. 1. A key structure, comprising: A bottom plate; The key cap is arranged above the bottom plate; The scissors foot structure is arranged between the bottom plate and the key cap; a first sleeve connected to the key cap, wherein the first sleeve is located between the bottom plate and the key cap, and the first sleeve has a guide chute; A second sleeve rotatably inserted in the first sleeve and slidably sleeved on the second sleeve, wherein the second sleeve is provided with a guide convex part and a notch opposite to the guide convex part, the guide convex part is slidingly arranged in the guide chute and faces the bottom plate, and The second sleeve is sleeved on the trigger piece in a sliding manner, the trigger piece is provided with a trigger protruding portion which contacts the bottom plate, the trigger protruding portion is located between the bottom plate and the second sleeve, the second sleeve is abutted against the trigger protruding portion in the process that the first sleeve and the second sleeve move towards the bottom plate, the first sleeve continuously moves towards the bottom plate to drive the second sleeve to rotate relative to the first sleeve, and when the notch rotates to be aligned with the trigger protruding portion, the trigger protruding portion moves into the notch, and the second sleeve contacts the bottom plate.
  2. 2. The key structure of claim 1, further comprising: The first spring is configured between the second sleeve and the key cap, wherein the first spring is provided with a first end and a second end opposite to the first end, the first end of the first spring is configured in the second sleeve, and the second end of the first spring contacts the key cap.
  3. 3. The key structure according to claim 2, wherein the second sleeve further has an inner wall surface and a positioning portion protruding from the inner wall surface, and the first end portion of the first spring abuts against the positioning portion.
  4. 4. The key structure according to claim 2, further comprising: And the second spring is arranged between the trigger piece and the key cap, and the first spring surrounds the second spring.
  5. 5. The key structure of claim 4, wherein the trigger has a recess facing the key cap and the second spring has a first end and a second end opposite the first end, the first end of the second spring being disposed within the recess and the second end of the second spring contacting the key cap.
  6. 6. The key structure of claim 4, further comprising: The positioning seat is connected with the key cap and is positioned between the bottom plate and the key cap, the positioning seat is sleeved on the trigger piece in a sliding mode, and the second end portion of the second spring is inserted into the positioning seat.
  7. 7. The key structure of claim 6, wherein the positioning seat has a recess facing the bottom plate, and the trigger protrusion is located on an action path of the recess, the trigger protrusion moving into the recess when the trigger protrusion moves into the recess.
  8. 8. The key structure according to claim 6, wherein the positioning seat has a chute, the trigger member has a sliding protrusion opposite to the trigger protrusion, and the sliding protrusion is slidably disposed in the chute.
  9. 9. The key structure of claim 8, wherein the extending direction of the chute is not parallel to the extending direction of the guiding chute.
  10. 10. The key structure according to claim 1, wherein an extending direction of the guide chute is not parallel to a moving direction of the first sleeve.

Description

Key structure Technical Field The present disclosure relates to key structures, and particularly to a key structure for a keyboard. Background Keyboards are used as a common physical operation interface and are widely used in desktop computers, notebook computers, or other electronic devices. The keyboard can be divided into a thin film keyboard and a mechanical keyboard according to the differences of structural design, operation stroke, trigger mechanism and the like, and the scissor keyboard is a common thin film keyboard. In general, a mechanical keyboard is provided with an elastic sheet in a shaft of a key, and when a user presses the key, the elastic sheet is pressed to generate elastic deformation and make a sound, so as to improve the operation experience of the user. However, the overall thickness of the mechanical keyboard is far greater than that of the scissor keyboard due to the limited operation stroke of the shaft body of the key, so the design requirement of light and thin structure cannot be met. In addition, the elastic sheet may deform or deviate due to long-term repeated extrusion, and the sound cannot be generated, or the lifting stroke of the key is affected. Disclosure of Invention The invention aims at a key structure, which not only meets the design requirement of light weight and thinness, but also is beneficial to improving the operation experience of users. According to an embodiment of the present invention, the key structure includes a base plate, a key cap, a scissor leg structure, a first sleeve, a second sleeve, and a trigger. The keycap is arranged above the bottom plate. The scissors foot structure is configured between the bottom plate and the keycap. The first sleeve is connected with the keycap, wherein the first sleeve is positioned between the bottom plate and the keycap, and the first sleeve is provided with a guiding chute. The second sleeve is rotatably inserted into the first sleeve, and the first sleeve is slidably sleeved on the second sleeve. The second sleeve has a guide projection and a recess opposite the guide projection. The guide convex part is arranged in the guide chute in a sliding way, and the notch faces the bottom plate. The second sleeve is slidably sleeved on the trigger piece, wherein the trigger piece is provided with a trigger convex part which contacts the bottom plate, and the trigger convex part is positioned between the bottom plate and the second sleeve. In the process that the first sleeve and the second sleeve move towards the bottom plate, the second sleeve is in contact with the bulge, the first sleeve continuously moves towards the bottom plate to drive the second sleeve to rotate relative to the first sleeve, when the notch rotates to be aligned with the triggering bulge, the triggering bulge moves into the notch, and the second sleeve contacts the bottom plate. Based on the above, in the key structure of the present invention, the telescopic component is disposed between the key cap and the bottom plate, and the sound structure is integrated with the telescopic component. When the key cap is pressed down to move towards the bottom plate, the telescopic component compresses and knocks to make a sound so as to improve the operation experience (such as hearing feeling) of a user. In addition, compared with a key structure adopting a mechanical shaft, the key structure adopting a scissor structure can meet the design requirement of light and thin. Drawings FIG. 1 is a schematic diagram of a key structure according to an embodiment of the present invention; Fig. 2A and 2B are schematic exploded views of the key structure of fig. 1 at two different viewing angles; FIG. 3A is a schematic cross-sectional view of the key structure of FIG. 1; Fig. 3B and fig. 3C are schematic cross-sectional views of the key structure of fig. 3A when pressed by a force; FIG. 4A is a schematic view of the key cap and telescoping assembly of FIG. 1 from another perspective; Fig. 4B and 4C are schematic diagrams of the key cap and the telescopic assembly of fig. 4A when pressed down. Detailed Description Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings and the description to refer to the same or like parts. Fig. 1 is a schematic diagram of a key structure according to an embodiment of the invention. Fig. 2A and 2B are schematic exploded views of the key structure of fig. 1 at two different viewing angles. For clarity of presentation of the internal structural configuration, key cap 190 of FIG. 1 is shown in phantom. Referring to fig. 1, 2A and 2B, in the present embodiment, the key structure 100 is applicable to a keyboard and includes a base plate 110, a scissors structure 120, a keycap 190 and a telescopic component, wherein the scissors structure 120 and the telescopic co