CN211907295U - Colloid elastic monomer structure of thin film type keyboard key - Google Patents
Colloid elastic monomer structure of thin film type keyboard key Download PDFInfo
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- CN211907295U CN211907295U CN202020219132.4U CN202020219132U CN211907295U CN 211907295 U CN211907295 U CN 211907295U CN 202020219132 U CN202020219132 U CN 202020219132U CN 211907295 U CN211907295 U CN 211907295U
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- ring edge
- edge part
- elastic
- middle ring
- keyboard
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Abstract
The utility model provides a colloid elastic monomer structure of film keyboard key, the elastic monomer is an integrated inverted bowl-shaped soft colloid for setting under a key cap, which comprises an upper ring edge part, a lower ring edge part and a middle ring edge part, the middle ring edge part is positioned between the upper ring edge part and the lower ring edge part, the whole longitudinal section of the middle ring edge part is in an arc structure, and a turning point is arranged at the joint of the middle ring edge part and the upper ring edge part; when the key cap is pressed by a pressing force, the whole middle ring edge part is bent downwards from the turning point to generate a linear pressing hand feeling, and a conductive convex body on the elastic single body can elastically contact and press at least one conductive surface of a circuit layer, so that the hand fatigue of a user is effectively reduced, the keyboard is suitable for electric games, and the linear pressing hand feeling of the existing mechanical keyboard is realized at a cost lower than that of the existing mechanical keyboard.
Description
Technical Field
The utility model relates to an elasticity monomer structure especially indicates one kind and can alleviate the fatigue of user's hand and be applicable to the electronic game field, and can realize the linear film formula keyboard button's of pressing down the feeling colloid elasticity monomer structure with the cost that is less than current mechanical type keyboard.
Background
Referring to fig. 2 and fig. 4, which are schematic cross-sectional views of a conventional elastic single-body structure 1a used in a conventional membrane keyboard, the elastic single-body structure 1a is disposed on a circuit layer 21 of a substrate 20 of a membrane circuit layer 2, and the elastic single-body structure 1a includes an upper rim portion 10a, a lower rim portion 15a and a middle rim portion 14 a; wherein the upper rim portion 10a is located on the upper portion of the elastic single body structure 1a, the upper rim portion 10a has an upper rim wall 11a, the inner space of the upper rim wall 11a is connected to a key cap mounting groove 12a for mounting a key cap 3, the center of the opposite end of the groove bottom of the key cap mounting groove 12a is extended downward to form a conductive protrusion 13a for contacting or springing back away from at least one conductive surface 22 of the circuit layer 21; wherein the middle rim portion 14a is located between the upper rim portion 10a and the lower rim portion 15a, the overall longitudinal cross section of the middle rim portion 14a is in an inclined L-shaped configuration 16a (as shown in fig. 2 and 4, the straight branch of the L-shape is inclined so that the horizontal branch of the L-shape is vertical), that is, the middle rim portion 14a forms a turning point 17a at the corner of the L-shaped configuration 16 a; therefore, the turning point 17a is disposed at the approximate middle height of the middle rim portion 14a, so that the middle rim portion 14a is divided into an upper half portion and a lower half portion, one is an upper half portion inclined toward the center in the L-shaped portion 16a, and the other is a lower half portion vertical downward in the L-shaped portion 16 a.
When the key cap 3 is pressed by a pressing force, the elastic single body structure 1a is pressed simultaneously and deformed downward, and at this time, the upper half portion of the middle ring edge portion 14a is bent downward from the turning point 17a so that the conductive protrusions 13a can elastically press the conductive surfaces 22 of the circuit layer 21, and then elastically return to the original position, while the lower half portion of the middle ring edge portion 14a (i.e., the portion extending vertically to the height of 1.84mm of the substrate 20) is not deformed (as shown in fig. 4). Therefore, the conventional elastic monomer 1a has the following disadvantages in use:
(1) when a user presses the key cap 3 to generate an operation signal, the key cap has a pressure gram of about 63g and also generates a non-linear pressing hand feeling (as shown in the graph of fig. 5C), i.e., when pressing the key to the middle section, a two-stage pressing hand feeling is generated, which is inferior to a keyboard pressing pressure gram of 45g and a linear pressing hand feeling (as shown in the graph of fig. 5A) of a known product, such as a red-axis keyboard (mechanical keyboard) with a linear pressing hand feeling proposed by Cherry corporation of germany, and the two-stage pressing hand feeling of the existing membrane keyboard makes the hand of the user easily fatigue; in addition, the conventional membrane keypad has a lower rebound speed after the key is released from the pressing than that of the red axis keypad (mechanical keypad), which is not favorable for the use in the field of the game of electric games where the linear pressing feeling is important, so the elastic unit 1a of the conventional membrane keypad is really necessary for improvement.
(2) Although the pressing hand feeling of the red-axis keyboard (mechanical keyboard) is better than that of the existing membrane keyboard, the manufacturing cost of the red-axis keyboard (mechanical keyboard) is higher than that of the existing membrane keyboard, and the market competitiveness of the product is reduced due to higher cost.
Therefore, it is an urgent desire of the related industries to provide a rubber elastic single body of a thin film type keyboard key which can reduce the fatigue of the user's hand, is suitable for the field of game and play, and realizes a linear pressing feeling of the conventional mechanical keyboard at a lower cost than the conventional mechanical keyboard.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a rubber elastic single body structure of thin film keyboard keys, wherein the longitudinal section of the whole middle ring edge is arc-shaped, and the joint of the middle ring edge and the upper ring edge has a turning point; when a key cap is pressed by a pressing force, the whole middle ring edge part can deform and bend downwards from the turning point to generate a linear pressing hand feeling, and a conductive convex body can elastically touch and press at least one conductive surface of a circuit layer, so that the problem of fatigue of two-section hand feeling generated by hand pressing of a user by using the conventional film keyboard is effectively solved.
To achieve the above objects, the present invention provides an elastic single body structure of a membrane keyboard key, which is an integrally formed inverted bowl-shaped soft colloid, the elastic single body structure is disposed on a circuit layer of a substrate of a membrane circuit layer, the elastic single body structure includes an upper ring edge portion, a lower ring edge portion and a middle ring edge portion; the upper ring edge part is positioned at the upper part of the elastic single body structure, the upper ring edge part is provided with an upper edge wall, the inner space of the upper edge wall is provided with a keycap installing groove for installing a keycap, and the other end of the bottom of the keycap installing groove, which is opposite to the bottom of the keycap installing groove, is provided with a conductive convex body for elastically contacting and pressing downwards or leaving at least one conductive surface of the circuit layer elastically; wherein the lower rim portion is located at a lower portion of the elastic single body structure, and a distal end of the lower rim portion is supported on the substrate; wherein the middle rim part is located between the upper rim part and the lower rim part, the overall longitudinal section of the middle rim part is in an arc structure, and a junction of the middle rim part and the upper rim part is provided with a turning point; when the keycap is pressed by a pressing force, the whole middle ring part can deform and bend downwards from the turning point to generate a linear pressing hand feeling, and the conductive convex bodies can elastically contact and press each conductive surface of the circuit layer; when the key cap is released from being pressed, the conductive convex bodies are restored to the original positions by the elastic force of the middle ring edge part and are separated from the conductive surfaces.
In a preferred embodiment of the present invention, the radius of the arc structure of the middle ring edge portion is 3.02 mm.
In a preferred embodiment of the present invention, the height of the middle ring edge portion is 3.88 mm.
In a preferred embodiment of the present invention, the gram pressure capable of pressing and deforming the middle ring edge portion is 45g to 50 g.
In a preferred embodiment of the present invention, the elastic single body structure is made of rubber material.
Compared with the prior art, adopt above-mentioned technical scheme the utility model has the advantages of: the keyboard can reduce the fatigue of the hands of a user, is suitable for the field of video games, and realizes the linear pressing hand feeling of the existing mechanical keyboard at the cost lower than that of the existing mechanical keyboard.
Drawings
Fig. 1 is a schematic cross-sectional view of the elastic cell structure of the present invention.
FIG. 2 is a schematic cross-sectional view of a prior art elastomeric cell construction.
Fig. 3 is a schematic cross-sectional view of the elastic cell structure of the present invention with size marks.
FIG. 4 is a schematic cross-sectional view of a prior art elastomeric cell construction with sizing.
Fig. 5A, 5B and 5C are pressure force graphs of a red-axis keyboard of german cherry company, a product of the elastic single body structure of the present invention and a conventional product, respectively.
Description of reference numerals: 1-an elastic monomer construction; 10-upper rim portion; 11-upper edge wall; 12-key cap mounting groove; 13-conductive bumps; 14-middle rim part; 15-lower rim portion; 16-arc structure; 17-inflection point; 1 a-an elastic monomer construction; 10 a-an upper rim portion; 11 a-upper edge wall; 12 a-a key cap mounting groove; 13 a-conductive bump; 14 a-middle rim portion; 15 a-lower rim portion; 16 a-an arc-shaped structure; 17 a-inflection point; 2-a thin film circuit layer; 20-a substrate; 21-a line layer; 22-a conductive surface; 3-key cap.
Detailed Description
The structure and the technical features of the present invention are described in detail in the following with reference to the drawings, wherein each drawing is only used to illustrate the structure relationship and related functions of the present invention, and therefore the sizes of the elements in each drawing are not drawn according to the actual scale and are not used to limit the present invention.
Referring to fig. 1 and 3, the present invention provides a rubber elastic single body structure 1 of a thin film keyboard key, wherein the elastic single body structure 1 is an integrally formed inverted bowl-shaped soft rubber, the elastic single body structure 1 is disposed on a circuit layer 21 of a substrate 20 of a thin film circuit layer 2, and the elastic single body structure 1 includes an upper rim portion 10, a lower rim portion 15 and a middle rim portion 14.
The elastic single body structure 1 is made of rubber material, but not limited to, so as to provide a structure body with both softness and elasticity.
The upper rim portion 10 is located on the upper portion of the elastic single body structure 1, the upper rim portion 10 has an upper rim wall 11, the inner space of the upper rim wall 11 is provided with a key cap mounting groove 12 for mounting a key cap 3, and the opposite end of the groove bottom of the key cap mounting groove 12 is provided with a conductive protrusion 13 for elastically pressing downwards or elastically separating from at least one conductive surface 22 of the circuit layer 21.
The lower rim portion 15 is located at the lower portion of the elastic single body structure 1, and the end of the lower rim portion 15 is supported on the substrate 20.
The middle rim portion 14 is located between the upper rim portion 10 and the lower rim portion 15, the overall longitudinal cross-section of the middle rim portion 14 is an arc-shaped structure 16, and a turning point 17 is formed at the connection point of the middle rim portion 14 and the upper rim portion 10.
As shown in fig. 3, wherein the arc-shaped structure radius of the middle rim portion 14 is r3.02mm but not limited thereto; wherein the height of the middle rim portion 14 is 3.88mm but not limited thereto.
When the key cap 3 is pressed by a pressing force, the whole of the middle rim 14 is deformed and bent downward from the turning point 17 to generate a linear pressing hand feeling, so that the conductive protrusions 13 can elastically press the conductive surfaces 22 of the circuit layer 21.
The gram number of pressing force capable of pressing and deforming the middle ring edge part 14 is 45 g-50 g, but not limited to, as shown in fig. 5A, 5B and 5C, so as to achieve the keyboard pressing gram number 45g and linear pressing hand feeling of a red axis keyboard like those of german Cherry company (german: Cherry GmbH).
When the key cap 3 is released from being pressed, the conductive protrusions 13 are restored to the original positions by the elastic force of the middle rim 14 and separated from the conductive surfaces 22.
The utility model discloses an this elasticity monomer structure 1 compares with current elasticity monomer structure 1a, as shown in fig. 1 and 3, works as the utility model discloses a when this key cap 3 received pressing of a pressing force, this middle ring edge portion 14 is whole can warp and by this turning point 17 department turn down so that this electrically conductive convex body 13 can elastically touch each this conducting surface 22 of pressing this circuit layer 21, and does not have this middle ring edge portion 14a of this current elasticity monomer structure 1a only upper segment part can and by this turning point 17a department deformation turn down and make the turn down range be less than the utility model discloses an this middle ring edge portion 14 is shown as fig. 2 and fig. 4, makes the utility model discloses an this elasticity monomer structure 1 has following advantage:
(1) the middle rim portion 14 of the present invention bends downward from the turning point 17 when pressing, so as to greatly increase the downward bending range, thereby effectively reducing the pressing force required by the user, so that the button pressing hand feeling is similar to the linear pressing hand feeling like the comfortable linear button pressing hand feeling of the red-axis keyboard (mechanical keyboard) released by the German Cherry company (German: Cherry GmbH), and the button rebounding speed is fast, thereby reducing the fatigue of the user's hand and being suitable for the field of electric games.
(2) The utility model discloses a this elasticity monomer structure 1 can rely on this well curb part 14 and this turning point 17's structural design's change and realize that the comfortable linear button like red axis keyboard (mechanical type keyboard) presses down and feels, and the cost of film keyboard is originally just less than mechanical type keyboard, so just can realize the linear of current mechanical type keyboard pressing down of feeling with the cost that is less than current mechanical type keyboard, helps increasing the market competition of product.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. The utility model provides a colloid elasticity monomer structure of film formula keyboard button, this elasticity monomer structure is the soft colloid of integrated into one piece's inverted bowl form, and this elasticity monomer structure is located a circuit layer of a base plate on a film circuit layer, and its characterized in that, this elasticity monomer structure contains:
an upper ring edge part which is arranged on the upper part of the elastic single body structure and is provided with an upper edge wall, the inner space of the upper edge wall is provided with a keycap installing groove for installing a keycap, and the other end of the bottom of the keycap installing groove, which is opposite to the bottom of the keycap installing groove, is provided with a conductive convex body for elastically contacting and pressing downwards or leaving at least one conductive surface of the circuit layer;
a lower rim portion located at a lower portion of the elastic single body structure, a distal end of the lower rim portion being supported on the substrate; and
a middle rim part located between the upper rim part and the lower rim part, the whole longitudinal section of the middle rim part is arc-shaped, and the joint of the middle rim part and the upper rim part is provided with a turning point;
when the keycap is pressed by a pressing force, the whole middle ring part can deform and bend downwards from the turning point to generate a linear pressing hand feeling, and the conductive convex bodies can elastically contact and press each conductive surface of the circuit layer;
when the key cap is released from being pressed, the conductive convex bodies are restored to the original positions by the elastic force of the middle ring edge part and are separated from the conductive surfaces.
2. The gel-elastic unitary construction of membrane keyboard keys of claim 1, wherein: the radius of the arc structure of the middle ring edge part is 3.02 mm.
3. The gel-elastic unitary construction of membrane keyboard keys of claim 1, wherein: the height of the middle rim part is 3.88 mm.
4. The gel-elastic unitary construction of membrane keyboard keys of claim 1, wherein: the gram number of pressure capable of pressing and deforming the middle ring part is 45-50 g.
5. The gel-elastic unitary construction of membrane keyboard keys of claim 1, wherein: the resilient unitary structure is made of a rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219132.4U CN211907295U (en) | 2020-02-27 | 2020-02-27 | Colloid elastic monomer structure of thin film type keyboard key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219132.4U CN211907295U (en) | 2020-02-27 | 2020-02-27 | Colloid elastic monomer structure of thin film type keyboard key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211907295U true CN211907295U (en) | 2020-11-10 |
Family
ID=73291785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020219132.4U Expired - Fee Related CN211907295U (en) | 2020-02-27 | 2020-02-27 | Colloid elastic monomer structure of thin film type keyboard key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211907295U (en) |
-
2020
- 2020-02-27 CN CN202020219132.4U patent/CN211907295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20210227 |