CN219916982U - Key structure of keyboard - Google Patents
Key structure of keyboard Download PDFInfo
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- CN219916982U CN219916982U CN202321004963.XU CN202321004963U CN219916982U CN 219916982 U CN219916982 U CN 219916982U CN 202321004963 U CN202321004963 U CN 202321004963U CN 219916982 U CN219916982 U CN 219916982U
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- 239000010409 thin film Substances 0.000 claims abstract description 16
- 230000002787 reinforcement Effects 0.000 claims description 65
- 230000003014 reinforcing effect Effects 0.000 claims description 36
- 239000010408 film Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model provides a keyboard key structure, comprising: the device comprises a keycap, scissors feet, an elastic body, a thin film circuit board and a supporting plate, wherein the supporting plate is provided with a groove part; the scissors foot comprises an inner frame and an outer frame hinged around the outer periphery of the inner frame, the inner/outer frame comprises a bottom rod, a top rod and two side rods which are correspondingly arranged and are connected with the bottom rod and the top rod, and two ends of the bottom rod of the inner frame are provided with inner frame lower bulges; the two ends of the outer frame bottom rod are provided with outer frame lower bulges, the inner/outer frame bottom rod penetrates through the film circuit board and stretches into the groove part of the supporting plate, and the scissors feet are matched with the outer frame lower bulges and the supporting plate through the inner frame lower bulges; the both sides pole of scissors foot inside casing sets up first enhancement portion respectively towards the bottom surface of backup pad, and the both sides pole of scissors foot outside frame sets up the second enhancement portion respectively towards the bottom surface of backup pad, and the thickness of first enhancement portion, second enhancement portion is less than the thickness of backup pad. The keyboard key structure can improve the strength of the scissor legs only by increasing a small amount of cost under the condition of not increasing the thickness of keys.
Description
Technical Field
The present disclosure relates to keyboards, and particularly to a keyboard key structure.
Background
A keyboard is widely used as a common input device for inputting various electronic products and computers. With the widespread use of electronic products, keyboards are important as a means of man-machine communication in the whole system. The prior art provides a wide variety of computer keyboard key structures, and among them, the technology of realizing the internal composition structure of the keyboard key by utilizing the scissor-shaped principle structure is most popular.
As shown in fig. 1, a conventional keyboard key structure comprises a keycap 1', a scissors pin 2', an elastic body 3', a thin film circuit board 4' and a supporting board 5', wherein the thin film circuit board 4' is positioned on the supporting board 5', the elastic body 3' is arranged on the thin film circuit board 4' and is arranged in a hollow part of the scissors pin 2', the inner side of the keycap 1' is abutted against the elastic body 3', and the scissors pin 2' is respectively connected with the inner side of the keycap 1' and the supporting board 5 '; the support plate 5' is provided with a groove (not shown); the scissor legs 2' comprise an inner frame 21' and an outer frame 22' hinged around the inner frame 21', so that the opening and closing actions of the scissor legs 2' are realized; the inner frame 21' is provided with an inner frame lower protrusion 2111' facing the supporting plate 5', the outer frame is provided with an outer frame lower protrusion 2211' facing the supporting plate 5', the inner frame lower protrusion 2111' and the outer frame lower protrusion 2211' penetrate through the thin film circuit board 4' and extend into the groove part of the supporting plate 5', and the scissor feet 2' are matched with the outer frame lower protrusion 2211' and the supporting plate 5' through the inner frame lower protrusion 2111', which is a mature process structure. However, when a keyboard, especially an ultrathin keyboard, is manufactured, the inner space of the key cap is limited, the thickness of the inner frame and the outer frame of the scissors feet (taking the thickest position of the inner frame or the outer frame as a measurement standard) is usually set to be 0.8-0.9mm, the shaft diameters of the lower protrusions of the inner frame and the lower protrusions of the outer frame, which are matched with the supporting plate, of the scissors feet are usually set to be 0.5-0.6mm, the thicknesses of the frame bodies of the inner frame and the outer frame of the scissors feet are thinner, the shaft diameters of the lower protrusions of the inner frame and the lower protrusions of the outer frame of the scissors feet are smaller, the handfeel of keys is affected, the strength of the scissors feet is weaker, the lower protrusions of the inner frame and the lower protrusions of the outer frame are easy to break when the key cap is pulled, and the production reject ratio of the keyboard is improved. If the material with higher hardness is used for improving the strength of the scissor legs, the cost of parts can be obviously improved.
Disclosure of Invention
The utility model aims to provide a keyboard key structure, which can improve the strength of scissor legs only by increasing a small amount of cost under the condition of not increasing the thickness of keys, so as to improve the key pulling force and key hand feeling, improve the production yield and the service life of a keyboard and improve the use experience of the keyboard.
In order to achieve the above object, the present utility model provides a keyboard key structure, comprising: the device comprises a key cap, a scissor leg, an elastomer, a thin film circuit board and a supporting plate, wherein the thin film circuit board is positioned on the supporting plate, the elastomer is arranged on the thin film circuit board and is arranged in a hollow part of the scissor leg, the inner side of the key cap is abutted against the elastomer, and the scissor leg is respectively connected with the inner side of the key cap and the supporting plate; the supporting plate is provided with a groove part; the scissors foot comprises an inner frame and an outer frame hinged around the outer periphery of the inner frame, the inner frame comprises a first bottom rod, a first ejector rod and two first side rods, the first bottom rod and the two first side rods are correspondingly arranged, two ends of the first bottom rod are provided with inner frame lower protrusions, the outer frame comprises a second bottom rod, a second ejector rod and two second side rods, the second side rods are correspondingly arranged, two ends of the second bottom rod are provided with outer frame lower protrusions, the first bottom rod and the second bottom rod penetrate through the thin film circuit board and extend into the groove part of the supporting plate, and the scissors foot is matched with the outer frame lower protrusions and the supporting plate through the inner frame lower protrusions; the two first side bars of the inner frame of the scissor leg are respectively provided with a first reinforcing part towards the bottom surface of the supporting plate, the two second side bars of the outer frame of the scissor leg are respectively provided with a second reinforcing part towards the bottom surface of the supporting plate, and the thickness of the first reinforcing parts and the second reinforcing parts is smaller than that of the supporting plate.
The lower bulge of the inner frame is provided with a third reinforcing part towards the direction of the supporting plate, the lower bulge of the outer frame is provided with a fourth reinforcing part towards the direction of the supporting plate, and the thickness of the third reinforcing part and the fourth reinforcing part is smaller than that of the supporting plate; the third reinforcing portion and the fourth reinforcing portion have the same thickness.
The third reinforcing part is crescent, and the fourth reinforcing part is crescent.
The two ends of the first bottom rod are provided with fifth reinforcing parts which are accommodated in the groove parts of the supporting plate towards the bottom surface of the supporting plate, and the two ends of the second bottom rod are provided with sixth reinforcing parts which are accommodated in the groove parts of the supporting plate towards the bottom surface of the supporting plate; the thickness of the fifth reinforcing part and the sixth reinforcing part is smaller than that of the supporting plate; the thicknesses of the fifth reinforcing part and the sixth reinforcing part are the same.
The thickness of the first reinforcing part and the second reinforcing part is 0.15-0.2mm, and the thickness of the supporting plate is 0.2-0.5mm.
The thickness of the third reinforcing part and the fourth reinforcing part is 0.15-0.2mm, and the thickness of the supporting plate is 0.2-0.5mm.
The thickness of the fifth reinforcing part and the sixth reinforcing part is 0.15-0.2mm, and the thickness of the supporting plate is 0.2-0.5mm.
The two first side bars are provided with center shafts, the two second side bars are provided with center shaft holes matched with the center shafts, the inner frame and the outer frame are hinged with the center shaft holes together through the center shafts, and the diameter of the center shaft is a second reinforcing part with the diameter of 0.65-0.80mm.
The inner frame of the scissors is integrally formed; the outer frame of the scissor leg is integrally formed.
The thickness of the inner frame is 0.95-1.10mm, and the thickness of the outer frame is 0.95-1.10mm.
The utility model has the beneficial effects that: according to the keyboard key structure, the reinforcing part is arranged in the scissors pin or on the outer frame, so that the strength of the scissors pin can be improved only by increasing a small amount of cost under the condition that the thickness of a key is not increased, the key pulling force and the key hand feeling are further improved, the production yield and the service life of the keyboard are improved, and the use experience of the keyboard is improved.
For a further understanding of the nature and technical aspects of the present utility model, reference should be made to the following detailed description of the utility model and to the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the utility model.
Drawings
The technical solution and other advantageous effects of the present utility model will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.
In the drawings of which there are shown,
FIG. 1 is a schematic sectional view of a conventional keyboard key structure;
FIG. 2 is a schematic sectional view of a keyboard key structure according to the present utility model;
FIG. 3 is an exploded view of the key structure of the keyboard of the present utility model;
FIG. 4 is a perspective view showing a keyboard key structure according to the present utility model;
Detailed Description
In order to further explain the technical means adopted by the present utility model and the effects thereof, the following detailed description is given with reference to the preferred embodiments of the present utility model and the accompanying drawings.
As shown in fig. 2 to 4, a keyboard key structure of the present utility model includes: the key cap 1, the scissors foot 2, the elastic body 3, the thin film circuit board 4 and the supporting plate 5, wherein the thin film circuit board 4 is positioned on the supporting plate 5, the elastic body 3 is arranged on the thin film circuit board 4 and is arranged at the hollow part of the scissors foot 2, the inner side of the key cap 1 is abutted against the elastic body 3, and the scissors foot 2 is respectively connected with the inner side of the key cap 1 and the supporting plate 5; the supporting plate 5 is provided with a groove part 51; the scissors 2 comprises an inner frame 21 and an outer frame 22 hinged around the outer periphery of the inner frame 21, the inner frame 21 comprises a first bottom rod 211, a first ejector rod 212 and two first side rods 213 which are correspondingly arranged and are connected with the first bottom rod 211 and the first ejector rod 212, two ends of the first bottom rod 211 are provided with inner frame lower protrusions 2111, the outer frame 22 comprises a second bottom rod 221, a second ejector rod 222 and two second side rods 223 which are correspondingly arranged and are connected with the second bottom rod 221 and the second ejector rod 222, two ends of the second bottom rod 221 are provided with outer frame lower protrusions 2211, the first bottom rod 211 and the second bottom rod 221 penetrate through the film circuit board 4 to extend into the groove part 51 of the supporting plate 5, and the scissors 2 are matched with the outer frame lower protrusions 1 and the supporting plate 5 through the inner frame lower protrusions 2211; the two first side bars 213 of the inner frame 21 are respectively provided with a first reinforcement portion 2131 towards the bottom surface of the support plate 5, the two second side bars 223 of the outer frame 22 are respectively provided with a second reinforcement portion 2231 towards the bottom surface of the support plate 5, and the thicknesses of the first reinforcement portion 2131 and the second reinforcement portion 2231 are smaller than the thickness of the support plate 5.
In the case where there is uneven thickness of the element, the thickness of the element mentioned throughout is measured with reference to the position where the element is thickest, i.e., the maximum thickness of the element.
Through set up the enhancement portion at the side lever of scissors foot in/frame towards the bottom surface of backup pad, under the circumstances that does not increase the thickness of button, only need increase a small amount of cost just can improve the intensity of scissors foot 2, and then promote button pulling force and button feel, improve keyboard production yield and life, promote keyboard use experience.
The thickness of the support plate 5 is 0.2mm, and the thickness of the first reinforcement portion 2131 and the second reinforcement portion 2231 is 0.15mm. As a variant design, the thickness of the support plate 5 is different, and the thickness of the first reinforcement portion 2131 and the second reinforcement portion 2231 can be adjusted according to the different thickness of the support plate 5. The thickness of the conventional support plate 5 is 0.2-0.5mm, and the thicknesses of the first and second reinforcement parts 2131 and 2231 may be correspondingly set to 0.1-0.4mm, preferably, the thicknesses of the first and second reinforcement parts 2131 and 2231 may be set to 0.1-0.2mm, and preferably, the thicknesses of the first and second reinforcement parts 2131 and 2231 may be set to 0.15mm, thereby achieving a greater strength while saving material costs.
The inner frame lower protrusion 2111 is provided with a third reinforcement portion 21111 towards the direction of the supporting plate 5, the outer frame lower protrusion 2211 is provided with a fourth reinforcement portion 22111 towards the direction of the supporting plate 5, and the thickness of the third reinforcement portion 21111 and the fourth reinforcement portion 22111 is smaller than the thickness of the supporting plate 5; the third reinforcement 21111 has the same thickness as the fourth reinforcement 22111.
Through protruding 2111 under the inside casing of scissors foot inside casing 21 sill bar and the frame of scissors foot outside frame 22 sill bar down protruding 2211 set up the enhancement portion towards the direction of backup pad 5, under the circumstances that does not increase the thickness of button, only need increase a small amount of cost just can improve the intensity of scissors foot 2, avoid scissors foot 2 and backup pad 5 cooperation department because intensity is not broken enough, and then promote button pulling force and button feel, improve keyboard production yield and life, promote keyboard use experience.
The third reinforcement portion 21111 is crescent shaped, and the fourth reinforcement portion 22111 is crescent shaped.
The thickness of the third reinforcement portion 21111 and the second reinforcement portion fourth reinforcement portion 22111 is 0.15mm. As a variant design, the thicknesses of the support plates 5 are different, and the thicknesses of the corresponding third reinforcement portion 21111 and second reinforcement portion fourth reinforcement portion 22111 can be adjusted according to the different thicknesses of the support plates 5. The thickness of the conventional support plate 5 is 0.2-0.5mm, the thicknesses of the third reinforcement portion 21111 and the second reinforcement portion fourth reinforcement portion 22111 can be correspondingly set to be 0.1-0.4mm, preferably, the thicknesses of the third reinforcement portion 21111 and the second reinforcement portion fourth reinforcement portion 22111 can be set to be 0.1-0.2mm, preferably, the thicknesses of the third reinforcement portion 21111 and the fourth reinforcement portion 22111 are set to be 0.15mm, and the material cost can be saved while obtaining larger strength.
The first bottom bar 211 is provided with a fifth reinforcement portion 2112 which is accommodated in the groove portion 51 of the support plate 5 towards the bottom surface of the support plate 5, and the second bottom bar 221 is provided with a sixth reinforcement portion 2212 which is accommodated in the groove portion 51 of the support plate 5 towards the bottom surface of the support plate 5; the thickness of each of the fifth reinforcement portion 2112 and the sixth reinforcement portion 2212 is 0.15mm. As a variant design, the thickness of the fifth reinforcement portion 2112 and the sixth reinforcement portion 2212 can be adjusted according to different thicknesses of the support plate 5, and the thickness of the fifth reinforcement portion 2112 and the sixth reinforcement portion 2212 is smaller than the thickness of the support plate 5; the thickness of the conventional support plate 5 is 0.2-0.5mm, and the thicknesses of the fifth reinforcement 2112 and the sixth reinforcement 2212 may be correspondingly set to 0.1-0.4mm, preferably, the thicknesses of the fifth reinforcement 2112 and the sixth reinforcement 2212 may be set to 0.1-0.2mm, and preferably, the thicknesses of the fifth reinforcement 2112 and the sixth reinforcement 2212 are set to 0.15mm, so that a greater strength can be obtained while saving material costs.
The thickness of the inner frame 21 is 0.95-1.10mm, and the thickness of the outer frame 22 is 0.95-1.10mm.
The two first side rods 213 are provided with a central shaft 2132, the two second side rods 223 are provided with a central shaft hole 2232 matched with the central shaft 2132, the inner frame 21 and the outer frame 22 are hinged with the central shaft hole 2232 through the central shaft 2132, and the diameter of the central shaft 2132 is 0.65-0.80mm. And a second reinforcing portion.
The inner frame 21 of the scissors is integrally formed; the outer frame 22 is formed integrally, and no additional process is required for adding the reinforcing part.
In summary, according to the keyboard key structure provided by the utility model, the reinforcing part is arranged in the inner frame of the scissor leg, so that the strength of the scissor leg can be improved only by increasing a small amount of cost under the condition of not increasing the thickness of the key, the key pulling force and the key hand feeling are further improved, the production yield and the service life of the keyboard are improved, and the use experience of the keyboard is improved; the keyboard key structure reinforcing part and the inner and outer frames of the scissor legs are integrally formed, and no additional working procedure is needed; the keyboard key structure is particularly suitable for ultrathin keyboards.
In the above, it should be apparent to those skilled in the art that various other modifications and variations can be made in accordance with the technical solution and the technical idea of the present utility model, and all such modifications and variations are intended to fall within the scope of the claims of the present utility model.
Claims (10)
1. A keyboard key structure, comprising: the novel multifunctional electric bicycle comprises a keycap (1), a scissor leg (2), an elastic body (3), a thin film circuit board (4) and a supporting plate (5), wherein the thin film circuit board (4) is arranged on the supporting plate (5), the elastic body (3) is arranged on the thin film circuit board (4) and is arranged at a hollow part of the scissor leg (2), the inner side of the keycap (1) is abutted against the elastic body (3), and the scissor leg (2) is respectively connected to the inner side of the keycap (1) and the supporting plate (5); the supporting plate (5) is provided with a groove part (51); the scissors foot (2) comprises an inner frame (21) and an outer frame (22) hinged around the outer periphery of the inner frame (21), the inner frame (21) comprises a first bottom rod (211), a first ejector rod (212) and two first side rods (213) connected with the first bottom rod (211) and the first ejector rod (212) which are correspondingly arranged, two ends of the first bottom rod (211) are provided with inner frame lower protrusions (2111), the outer frame (22) comprises a second bottom rod (221), a second ejector rod (222) and two second side rods (223) connected with the second bottom rod (221) and the second ejector rod (222) which are correspondingly arranged, two ends of the second bottom rod (221) are provided with outer frame lower protrusions (2211), the first bottom rod (211) and the second bottom rod (221) penetrate through the thin film circuit board (4) to extend into groove parts (51) of the supporting plate (5), and the scissors foot (2) is matched with the outer frame (2211) through the inner frame lower protrusions (2111) and the lower protrusions (222);
the novel inner frame is characterized in that first reinforcing parts (2131) are respectively arranged on two first side rods (213) of the inner frame (21) towards the bottom surface of the supporting plate (5), second reinforcing parts (2231) are respectively arranged on two second side rods (223) of the outer frame (22) towards the bottom surface of the supporting plate (5), and the thicknesses of the first reinforcing parts (2131) and the second reinforcing parts (2231) are smaller than the thickness of the supporting plate (5).
2. The keyboard key structure of claim 1, wherein the inner frame lower protrusion (2111) is provided with a third reinforcement portion (21111) towards the direction of the support plate (5), the outer frame lower protrusion (2211) is provided with a fourth reinforcement portion (22111) towards the direction of the support plate (5), and the thickness of the third reinforcement portion (21111) and the fourth reinforcement portion (22111) is smaller than the thickness of the support plate (5); the third reinforcement (21111) is the same thickness as the fourth reinforcement (22111).
3. The keyboard key structure of claim 2, wherein the third reinforcement portion (21111) is crescent-shaped and the fourth reinforcement portion (22111) is crescent-shaped.
4. The keyboard key structure according to claim 1, wherein the first bottom bar (211) is provided with fifth reinforcing parts (2112) which are accommodated in the groove parts (51) of the support plate (5) toward the bottom surface of the support plate (5) at both ends, and the second bottom bar (221) is provided with sixth reinforcing parts (2212) which are accommodated in the groove parts (51) of the support plate (5) toward the bottom surface of the support plate (5) at both ends; the thickness of the fifth reinforcement part (2112) and the sixth reinforcement part (2212) is smaller than that of the supporting plate (5); the thicknesses of the fifth reinforcement part (2112) and the sixth reinforcement part (2212) are the same.
5. The keyboard key structure according to claim 1, wherein the thickness of the first reinforcement portion (2131) and the second reinforcement portion (2231) is 0.15-0.2mm, and the thickness of the support plate (5) is 0.2-0.5mm.
6. The keyboard key structure of claim 2, wherein the thickness of the third reinforcement portion (21111) and the fourth reinforcement portion (22111) is 0.15-0.2mm, and the thickness of the support plate (5) is 0.2-0.5mm.
7. The keyboard key structure of claim 4, wherein the thickness of the fifth reinforcement portion (2112) and the sixth reinforcement portion (2212) is 0.15-0.2mm, and the thickness of the support plate (5) is 0.2-0.5mm.
8. The keyboard key structure according to claim 1, wherein the two first side bars (213) are provided with a central shaft (2132), the two second side bars (223) are provided with a central shaft hole (2232) matched with the central shaft (2132), the inner frame (21) and the outer frame (22) are hinged with the central shaft hole (2232) through the central shaft (2132), and the diameter of the central shaft (2132) is 0.65-0.80mm.
9. The keyboard key structure according to claim 1, wherein said inner frame (21) is integrally formed; the outer frame (22) is integrally formed.
10. The keyboard key structure according to claim 1, wherein the thickness of the inner frame (21) is 0.95-1.10mm, and the thickness of the outer frame (22) is 0.95-1.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004963.XU CN219916982U (en) | 2023-04-25 | 2023-04-25 | Key structure of keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004963.XU CN219916982U (en) | 2023-04-25 | 2023-04-25 | Key structure of keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219916982U true CN219916982U (en) | 2023-10-27 |
Family
ID=88436973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321004963.XU Active CN219916982U (en) | 2023-04-25 | 2023-04-25 | Key structure of keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219916982U (en) |
-
2023
- 2023-04-25 CN CN202321004963.XU patent/CN219916982U/en active Active
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