CN220358005U - Key and keyboard device - Google Patents
Key and keyboard device Download PDFInfo
- Publication number
- CN220358005U CN220358005U CN202322352005.8U CN202322352005U CN220358005U CN 220358005 U CN220358005 U CN 220358005U CN 202322352005 U CN202322352005 U CN 202322352005U CN 220358005 U CN220358005 U CN 220358005U
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- CN
- China
- Prior art keywords
- key
- melamine
- thickness
- key cap
- piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000877 Melamine resin Polymers 0.000 claims abstract description 65
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000002966 varnish Substances 0.000 claims description 4
- 239000004640 Melamine resin Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920006834 PC+ABS Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides a key and a keyboard device, wherein the key comprises a melamine key cap, a connecting piece, a structural piece and a lifting piece, the melamine key cap is provided with a first surface and a second surface, the first surface is opposite to the second surface, and the second surface inwards sinks towards the first surface to form a groove; the connecting piece is arranged in the groove of the melamine key cap and is provided with a third surface and a fourth surface, the third surface is opposite to the fourth surface, and the third surface is arranged in the groove; the structural part is arranged on the fourth surface of the connecting piece; the lifting piece is arranged on the structural piece, so that the connecting piece and the lifting piece are respectively positioned on two sides of the structural piece, and the color and the wear resistance of the keycap can be improved by matching and combining the melamine keycap and the structural piece.
Description
Technical Field
The present utility model relates to a key and a keyboard device, and more particularly, to a key and a keyboard device having melamine key caps.
Background
The existing key caps are produced by adopting an injection molding process, the key cap material is usually ABS (Acrylonitrile Butadiene Styrene) plastic, PC (Polycarbonate) plastic or PC+ABS mixed plastic, the surface characters of the key caps are generally treated by adopting a spraying ink+laser carving mode, but the key cap characters can only be in one or 2 single colors. If the characters on the surface of the key cap adopt a screen printing ink and Ultraviolet (UV) curing mode, the color of the characters on the key cap is single, and the surface wear resistance is poor. If the characters on the surface of the key cap are produced by adopting a direct laser carving mode, the color of the key cap characters is single and is usually white or black.
Therefore, there is a need for a new key and keyboard device that overcomes the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a key and a keyboard device, which can be matched and combined with a structural part through a melamine key cap to improve the color chroma and the wear resistance of the key cap.
In order to achieve the above object, the present utility model provides a key comprising: the melamine key cap is provided with a first surface and a second surface, the first surface is opposite to the second surface, and the second surface is inwards sunken towards the first surface to form a groove; the connecting piece is arranged in the groove and is provided with a third surface and a fourth surface, the third surface is opposite to the fourth surface, and the third surface is arranged in the groove; the structural part is arranged on the fourth surface of the connecting piece; and the lifting piece is arranged on the structural piece so that the melamine key cap and the lifting piece are respectively positioned on two sides of the structural piece.
Preferably, the groove has a bottom surface, the second surface is recessed toward the first surface to form the bottom surface, the second surface is separated from the bottom surface by a first thickness, the connecting piece has a second thickness, the structural member has a third thickness, and the sum of the second thickness and the third thickness is smaller than the first thickness.
Preferably, the vertical projection of the structural member on the bottom surface is located in the bottom surface.
Preferably, the first surface is separated from the bottom surface by a fourth thickness, and the fourth thickness is smaller than the first thickness.
Preferably, the bottom surface has a first width, the first surface has a second width, the first width is greater than the second width of four fifths and the first width is less than the second width.
Preferably, the paper towel further comprises a stained paper, and the stained paper is attached to the first surface.
Preferably, the stained paper has a first pattern and a second pattern, the second pattern being different from the first pattern.
Preferably, the paper also comprises a finishing powder layer, and the finishing powder layer is arranged on the stained paper to cover the first surface.
Preferably, the paper also comprises a finishing powder layer, and the finishing powder layer is arranged on the stained paper to cover the first surface.
The utility model also provides a keyboard device comprising the keys.
Compared with the prior art, the key and the keyboard device provided by the embodiment of the utility model comprise the melamine key cap, the connecting piece, the structural piece and the lifting piece, wherein the melamine key cap is provided with the first surface and the second surface, the first surface is opposite to the second surface, the second surface is inwards sunk to form a groove, and the melamine key cap is formed by melamine resin; the connecting piece is arranged in the groove of the melamine key cap and is provided with a third surface and a fourth surface, the third surface is opposite to the fourth surface, and the third surface is arranged in the groove; the structural part is arranged on the fourth surface of the connecting piece; the lifting piece is arranged on the structural piece, so that the connecting piece and the lifting piece are respectively positioned on two sides of the structural piece. The melamine key cap formed by melamine resin is matched with the structural member through the connecting piece, so that the color chroma and the wear resistance of the key cap can be improved through the matching and combination of the melamine key cap and the structural member.
Drawings
FIG. 1 is a schematic cross-sectional view of a key according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a key portion according to an embodiment of the present utility model;
FIG. 3 is a schematic bottom view of a key cap according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a key cap according to an embodiment of the present utility model;
fig. 5 is a schematic top view of a key cap according to an embodiment of the utility model.
Detailed Description
For a further understanding of the objects, construction, features and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a key according to an embodiment of the present utility model, and fig. 2 is an exploded schematic view of a key portion according to an embodiment of the present utility model. The key 100 provided by the embodiment of the utility model comprises a melamine key cap 11, a connecting piece 12, a structural piece 13 and a lifting piece 14, wherein the melamine key cap 11 is provided with a first surface 111 and a second surface 112, the first surface 111 is opposite to the second surface 112, the second surface 112 is inwards sunken towards the first surface 111 to form a groove 113, and the melamine key cap 11 is formed by melamine resin; the connecting piece 12 is arranged in the groove 113 of the melamine key cap 11, the connecting piece 12 is provided with a third surface 121 and a fourth surface 122, the third surface 121 is opposite to the fourth surface 122, and the third surface 121 is arranged in the groove 113; the structural member 13 is disposed on the fourth face 122 of the connecting member 12; the lifting member 14 is disposed on the structural member 13, so that the connecting member 12 and the lifting member 14 are respectively located on two sides of the structural member 13, and thus, the chroma and the wear resistance of the keycap can be improved by matching and combining the melamine keycap 11 and the structural member 13.
Referring to fig. 3 and 4 together, fig. 3 is a schematic bottom view of a key cap according to an embodiment of the utility model, and fig. 4 is a schematic cross-sectional view of a key cap according to an embodiment of the utility model. The melamine key cap 11 is made of melamine resin (melamine-formaldehyde resin ), and the melamine key cap 11 is produced by adopting a compression molding process, specifically, the melamine resin, the coloring agent, the additive and the like are mixed according to a certain proportion; then, the raw material box is used for weighing the materials according to the gram weight of the required production, and the two modes of a capacity method and weighing can be adopted, and the weighing method is generally adopted for accurate control; and putting the preheated and agglomerated raw materials into a die, starting mechanical plain surface lamination, and performing high-temperature high-pressure curing molding, wherein the steps of primary compression, exhaust and secondary lamination curing are divided, and the exhaust mainly discharges water. Polishing, inspection and packaging may be performed later, as the case may be, without limitation.
Referring to fig. 1, 2, 3 and 4, the groove 113 of the melamine key cap 11 has a bottom surface 1131, and the second surface 112 of the melamine key cap 11 forms the bottom surface 1131 of the groove 113 toward the first surface 111 of the melamine key cap 11, wherein the second surface 112 of the melamine key cap 11 is spaced apart from the bottom surface 1131 of the groove 113 of the melamine key cap 11 by a first thickness D1, that is, the thickness of the groove 111 of the melamine key cap 11 is the first thickness D1; the third face 121 of the connecting member 12 is spaced apart from the fourth face 122 of the connecting member 12 by a second thickness D2, i.e., the thickness of the connecting member 12 is the second thickness D2; the structural member 13 has a third thickness D3, that is, the thickness of the structural member 13 is the third thickness D3, and the sum of the second thickness D2 and the third thickness D3 is smaller than the first thickness D1, so that the melamine key cap 11 is thinner, which is beneficial to the whole key 100 to be thin.
Referring to fig. 1, 2, 3 and 4, the connecting element 12 is a double sided adhesive tape, so that the structural member 13 is attached in the groove 113 of the melamine key cap 11, and in a preferred embodiment, the fourth surface 122 of the connecting element 12 is matched with the structural member 13 in size, so that the structural member 13 is stably arranged on the bottom surface 1131 of the groove 113 of the melamine key cap 11 to a greater extent. In practical implementation, the double-sided adhesive tape may be a thin film with two sides having adhesion, or may be glued into the groove 113 and then the connecting piece 13 is set in the groove 113 for curing, which is not limited as the practical situation is defined.
Referring to fig. 1 and 2, the structural member 13 is used for supporting the melamine key cap 11, and the structural member 13 is connected to the upper end of the lifting member 14, so that the melamine key cap 11 and the lifting member 14 are respectively disposed on two sides of the structural member 13. Wherein, the vertical projection of the structural member 13 on the bottom surface 1131 of the groove 113 is located in the bottom surface 1131. In particular, one surface of the structural member 13 is disposed in the groove 113 through the connecting member 12 and the structural member 13 is disposed on the bottom surface 1131, and the other surface of the structural member 13 is disposed on the hook so that the upper end of the lifting member 14 is disposed on the hook, and the lifting member 14 may be a scissor structure, which is not limited thereto.
Referring to fig. 1, 2, 3 and 4, the first face 111 of the melamine key cap 11 is spaced apart from the bottom surface 1131 of the groove 113 by a fourth thickness D4, and the fourth thickness D4 is smaller than the first thickness D1. In particular, the thickness of the central region of the melamine key cap 11 is the fourth thickness D4, the second surface 112 is recessed toward the bottom surface 1131 of the groove 113 so that the melamine key cap 11 has an outer edge protruding from the bottom surface 1131 toward the first surface 111, the thickness of the outer edge is the first thickness D1, the fourth thickness D4 of the central region of the melamine key cap 11 is smaller than the first thickness D1 of the outer edge, and the design is such that the entire melamine key cap 11 has a light and thin feel when pressed, and the protruding structure 13 of the outer edge has an attractive effect, and at the same time, the melamine key cap 11 formed of melamine resin has superior resistance to grease, acid, alkali and various solvents, and the first surface 111 of the entire melamine key cap 11 has a smooth and bright color.
Referring to fig. 1, 2, 3 and 4, the bottom surface 1131 of the groove 113 of the melamine key cap 11 has a first width L1, the first surface 111 of the melamine key cap 11 has a second width L2, the first width L1 is greater than the second width L2 of four fifths and the first width L1 is less than the second width L2. In particular, the width of the groove 113 is greater than 80% of the width of the pressing surface of the melamine key cap 11, so that the second surface 112 is recessed toward the bottom surface 1131 of the groove 113, so that the melamine key cap 11 has a thin ring shape from the bottom surface 1131 toward the outer edge of the first surface 111, and the entire melamine key cap 11 is light and thin and still can block the structural member 13 from being seen by a user.
Referring to fig. 5, fig. 5 is a schematic top view of a key cap according to an embodiment of the utility model. The key 100 further includes a decal 15, and the decal 15 is attached to the first face 111 of the melamine key cap 11. In specific implementation, the stained paper 15 is cut according to the pattern and then is stuck on the first surface 111 formed by the plain surface, a mechanical printing procedure is started after the stained paper 15 is stuck, and a compression molding machine is required for printing to carry out secondary compression molding to print the stained paper 15 on the first surface 111, so that the melamine key cap 11 can print exquisite and bright patterns, the melamine key cap 11 is stable in coloring and good in texture, and the aesthetic feeling of the traditional ceramic is realized.
Referring to fig. 5, the key 100 further includes a varnish layer disposed on the decal 15 to cover the first surface 111. In specific implementation, after the decal 15 is attached to the first surface 111 of the melamine key cap 11, the first surface 111 and the decal 15 are uniformly coated with the varnish powder, then a machine is started, and a varnish powder layer is formed after mechanical high-temperature high-pressure solidification, so that the first surface 111 of the melamine key cap 11 is bright like porcelain.
In the embodiment of the present utility model, the stained paper 15 has a first pattern and a second pattern, and the second pattern is different from the first pattern. In practice, the decal 15 may have different first and second patterns, such as key "; : "; the decal 15 may also have different first and second patterns on different melamine key caps 11, such as keys "a" and "B"; the decal 15 may also be a character matching pattern, so that different design requirements of the key cap pattern can be met, depending on the actual requirement, but not limited thereto.
The present utility model also provides a keyboard device, which includes a key 100, wherein the key 100 has a structure as shown in fig. 1 to 5, and the details of the structure are also referred to above, and are not repeated herein.
In summary, the key and the keyboard device provided by the utility model comprise a melamine key cap, a connecting piece, a structural piece and a lifting piece, wherein the melamine key cap is provided with a first surface and a second surface, the first surface is opposite to the second surface, the second surface is inwards sunk to form a groove towards the first surface, and the melamine key cap is formed by melamine resin; the connecting piece is arranged in the groove of the melamine key cap and is provided with a third surface and a fourth surface, the third surface is opposite to the fourth surface, and the third surface is arranged in the groove; the structural part is arranged on the fourth surface of the connecting piece; the lifting piece is arranged on the structural piece, so that the connecting piece and the lifting piece are respectively positioned on two sides of the structural piece, and the color and the wear resistance of the keycap can be improved by matching and combining the melamine keycap and the structural piece.
Although the present utility model has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of the preferred embodiments of the utility model and are not to be construed as limiting the utility model. For clarity of description of the components required, the scale in the schematic drawings does not represent the proportional relationship of the actual components.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A key, comprising:
the melamine key cap is provided with a first surface and a second surface, the first surface is opposite to the second surface, and the second surface is inwards sunken towards the first surface to form a groove;
the connecting piece is arranged in the groove and is provided with a third surface and a fourth surface, the third surface is opposite to the fourth surface, and the third surface is arranged in the groove;
the structural part is arranged on the fourth surface of the connecting piece; and
the lifting piece is arranged on the structural piece, so that the melamine key cap and the lifting piece are respectively positioned on two sides of the structural piece.
2. The key of claim 1, wherein the recess has a bottom surface, the second surface is recessed toward the first surface to form the bottom surface, the second surface is spaced apart from the bottom surface by a first thickness, the connecting member has a second thickness, the structural member has a third thickness, and a sum of the second thickness and the third thickness is smaller than the first thickness.
3. The key of claim 2, wherein a vertical projection of the structural member to the bottom surface is located in the bottom surface.
4. The key of claim 2, wherein the first face is spaced from the bottom face by a fourth thickness, the fourth thickness being less than the first thickness.
5. The key of claim 2, wherein the bottom surface has a first width, the first surface has a second width, the first width is greater than four fifths of the second width and the first width is less than the second width.
6. The key of claim 1, further comprising a decal attached to the first face.
7. The key of claim 6, wherein the decal has a first pattern and a second pattern, the second pattern being different from the first pattern.
8. The key of claim 6, further comprising a varnish layer disposed on the decal to cover the first surface.
9. The key of claim 1, wherein the connecting member is double-sided tape.
10. A keyboard apparatus, comprising: a key according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352005.8U CN220358005U (en) | 2023-08-31 | 2023-08-31 | Key and keyboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352005.8U CN220358005U (en) | 2023-08-31 | 2023-08-31 | Key and keyboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358005U true CN220358005U (en) | 2024-01-16 |
Family
ID=89506559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322352005.8U Active CN220358005U (en) | 2023-08-31 | 2023-08-31 | Key and keyboard device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358005U (en) |
-
2023
- 2023-08-31 CN CN202322352005.8U patent/CN220358005U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |