CN106960754A - A kind of backlight crystal keycap on computor-keyboard - Google Patents
A kind of backlight crystal keycap on computor-keyboard Download PDFInfo
- Publication number
- CN106960754A CN106960754A CN201710140204.9A CN201710140204A CN106960754A CN 106960754 A CN106960754 A CN 106960754A CN 201710140204 A CN201710140204 A CN 201710140204A CN 106960754 A CN106960754 A CN 106960754A
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- China
- Prior art keywords
- crystal
- pedestal
- character
- keycap
- laser
- Prior art date
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/88—Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/02—Laser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/044—Injection moulding
- H01H2229/046—Multi-colour or double shot injection moulding
Abstract
The present invention relates to art of keypads, espespecially a kind of backlight crystal keycap on computor-keyboard, projection source including keycap body and bottom, described keycap body includes pedestal and the crystal case being covered on pedestal, the pedestal is provided with character towards the surface of crystal case, and the engraving that character enters line character to pedestal using the permeable crystal case of laser forms character pattern；Or, character is by mold injection molding, it is not necessary to which engraving prints, and described pedestal and crystal case are integrally formed mode by double-material injection-molding using different transparency sizing materials and combine to form integral structure.The present invention is changed on conventional art by printing the technique to realize character in keytop, realizing in the case of do not use any ink, and improve the way traditionally pasted again using print character after monochromatic injection, realize seamless combination, dustproof and waterproof effect is good, when laser is carved, crystal case will not can be cut through with resistance to laser engraving by laser, laser will not produce engraving to crystal case and use, by the power for adjusting laser beam, pedestal is gasified or is carbonized, out word, symbol or pattern are engraved on pedestal.
Description
Technical field
The present invention relates to art of keypads, espespecially a kind of backlight crystal keycap on computor-keyboard.
Background technology
The conventional computer keyboard button of current commercial type is very easy to use under a bright ambient environment, but black
In the dark under environment, the writing and symbol on keyboard can not be seen clearly due to operator, it is impossible to flexible operating, and keyboard is for a long time
After use, the character that is printed on keyboard can because nail grinder scrape or the material such as sweat corrode after easily wear and tear, writing is unclear
It is clear, so as to influence the normal of computer keyboard to use.
In addition, existing computer keyboard key is the key body that an appearance is truncated rectangular pyramids shape, profile is inflexible and feel is poor.
The content of the invention
To solve the above problems, the present invention provides a kind of backlight crystal keycap on computor-keyboard.
To achieve the above object, it is a kind of backlight crystal on computor-keyboard that the present invention, which is adopted the following technical scheme that,
Keycap, includes the projection source of keycap body and bottom, the crystal that described keycap body includes pedestal and is covered on pedestal
Lid, the pedestal is provided with character towards the surface of crystal case, and character can pass through crystal case using laser and enter line character carving to pedestal
Quarter is formed, and described pedestal and crystal case pass through double-material jet formation integral structure using different transparency sizing materials.This hair
Bright middle pedestal is black, and crystal case is Transparent color.Pedestal can certainly be set to black, red, Huang according to the actual requirements
Crystal case, can also equally be set to any transparent face different from pedestal by color, blueness, green, cyan, purple or other colors
Color.
Preferably, also including IC, under the working condition of keyboard, being turned on and off for projection source is controlled by IC, according to
The speed of keying frequency come control light source igniting number and light jump speed, make light with the up and down motion of different keycaps
And change, user can freely set light color and luminous pattern mode of operation, experience the bounce of sense of touch.
Preferably, the character is one or more of combinations in digital, letter, character and symbol.
A kind of preparation method of backlight crystal keycap on computor-keyboard, comprises the following steps：
Step one：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, moulding is carried out
Ultrasonic wave cleaning, baking destressing；
Step 2：Laser carving is carried out to base inner surface through crystal case using the laser of laser carving device so that formed on pedestal
There are character or pattern, so as to obtain character pattern;
Step 3：Alternatively non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into by single button by diel and pressing equipment；Single button pass through with
Component joint is assembled into complete keyboard.
The present invention to be changed and realize the technique of character by being printed in keytop on conventional art, and the present invention is realized
In the case of not using any ink, and improve the way traditionally pasted again using print character after monochromatic injection,
Seamless combination is realized, dustproof and waterproof effect is good, and laser carving refers to laser engraving, be that entry material is caused by the luminous energy of laser beam
Chemical Physics change and carve vestige, or pass through luminous energy burn up moieties, show needed for etching figure, word.
When laser is carved, crystal case will not can be cut through with resistance to laser engraving by laser, and laser will not produce engraving to crystal case and make
With crystal case is still remained intact, and by adjusting the power of laser beam, pedestal is gasified or is carbonized, is carved on pedestal
Carve and come word, symbol or pattern.Laser wavelength is more than the optical region of crystal case（Infrared laser 1064NM, Ultra-Violet Laser
355NM）It is across over so as to inject crystal case, reflection is not produced or refraction forms instantaneous high-temperature.The light of this pedestal
Wave band is learned to be distributed between 200NM--250NM；Pedestal laser transmission but, produce high temperature and moment punctures so that at it
Upper engraving character, symbol or pattern, pedestal can burn or only be carved in base-plates surface.
Preferably, described pedestal includes following composition by weight percentage:Ethylene-butene copolymer 30 ~ 45%；Silicone
1.5~2.5%；PP5~20%；White oil 5 ~ 15%；Pentaerythritol ester 2 ~ 20%；Calcium carbonate 2 ~ 13%；Laser laser carving powder 3 ~ 5%.
Preferably, described crystal case includes following composition by weight percentage:Resin liquid 40 ~ 50%；Optical region is white
Toner 12 ~ 20%；Filler 20%；Solvent 5~~ 10%；Dispersant 1 ~ 2%；Levelling agent 1%；Defoamer 1%.
Preferably, described resin liquid is in makrolon, polymethyl methacrylate, PET
It is any or several mix
Preferably, also including IC, under the working condition of keyboard, being turned on and off for projection source is controlled by IC, according to button
The speed of frequency come control light source igniting number and light jump speed, light is become with the up and down motion of different keycaps
Change, user can freely set light color and luminous pattern mode of operation, experience the bounce of sense of touch.
A kind of backlight crystal keycap on computor-keyboard, includes the projection source of keycap body and bottom, described keycap
Body includes pedestal and the crystal case being covered on pedestal, and the pedestal is provided with character, character side towards the surface of crystal case
Horizontal with section microgroove silk triangular in shape, character uses Bu Tong transparent by mold injection molding, described pedestal with crystal case
Degree sizing material passes through double-material jet formation integral structure.The microgroove silk that character side has section triangular in shape is horizontal, and microgroove silk is horizontal
So that the region after injection moulding where character, pattern is looked over from different perspectives can all appear light, mark is served, false proof
With effect attractive in appearance.
Preferably, the character is one or more of combinations in digital, letter, character and symbol.
A kind of preparation method of backlight crystal keycap on computor-keyboard, comprises the following steps：
Step one：Make base mold：Base mold is first opened slightly, required character is undercuted with laser machine, and undercut in character side
Microgroove silk, is then processed in the corresponding site of mold cavity with minute surface spark machine, then carries out electroplating processes to die cavity;
Step 2：Once it is molded:Base mold is arranged on injection machine, base material stream will be molded by entering glue runner by base mold
Enter, carry out the injection moulding of pedestal, obtain the pedestal with character；
Step 3：Quadric injection mould:The pedestal of injection moulding in step 2 is placed in crystal box cover die, glue is entered in crystal box cover die
Corresponding crystal cover material is flowed on runner, the injection moulding of crystal case is carried out；
Step 4：After step 3 terminates, the good crystal key crown of injection moulding is gone out using mold ejection mechanism.
Crystal keycap of the present invention uses two-shot process, first goes out the pedestal with character with mold injection, then again will
The pedestal of injection formed is placed on the injection that crystal case is carried out in crystal box cover die, pedestal is integrally formed energy of the present invention with crystal case
Enough disposable digital or alphabetical or symbols by pedestal and crystal case and base-plates surface carry out injection moulding, and numeral or letter or
Symbol is for a long time using being not in come off or discolouration phenomena, and manufacture craft is easy, and cost is relatively low, and production effect is good.
Required character point essence is undercuted slightly on mould using laser machine.Because the machining of minute surface spark can be damaged to electrode
Consumption, and process time is longer, so general point of essence is thick.Larger discharging gap stays in thick trade council, and discharge current can be increased during processing,
Process time is reduced, then makes mould more accurate with smart public processing.In order that the character of injection moulding, pattern are more careful attractive in appearance,
Laser machine control electric current is 14.5A, and effective vector step-length is 0.002ms, and effectively sky leapfrog long delay is 35us, Q frequencies
For 3KHz, the depth for so sweeping one layer of laser engraving is 0.01mm, if through computer control continuously repeat dried layer reach it is desired
Depth.
The beneficial effects of the present invention are：The present invention makes the consumer also can be accurately and quickly in the case where light is faint
Operated.Keyboard cover is made crystalline by the present invention simultaneously can change the vision of whole keyboard, feel, crystalline keycap
Visually see especially comfortable, whole keyboard contrasts existing keyboard and taken on an entirely new look, and mixes different light background colorfuls with shadow
And move, just like the sensation entered as children's stories, the mood of user can be improved.The keyboard cover exquisite in texture of the present invention, transparency
Height, Undeformable and indehiscent, font pattern is never wornout.
Embodiment
The present invention is on a kind of backlight crystal keycap on computor-keyboard, including keycap body and the projection light of bottom
Source, the crystal case that described keycap body includes pedestal and is covered on pedestal, described pedestal is used Bu Tong thoroughly with crystal case
Lightness sizing material is integrally formed mode by double-material injection-molding and combines to form integral structure, and crystal case is can pass through to pedestal using laser
The engraving for carrying out character/pattern forms character pattern.
A kind of preparation method of backlight crystal keycap on computor-keyboard, comprises the following steps：
Step one：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, moulding is carried out
Ultrasonic wave cleaning, baking destressing；
Step 2：Laser carving is carried out to base inner surface through crystal case using the laser of laser carving device so that formed on pedestal
There are character or pattern, so as to obtain character pattern;
Step 3：Alternatively non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into by single button by diel and pressing equipment；Single button pass through with
Component joint is assembled into complete keyboard.
The present invention to be changed and realize the technique of character by being printed in keytop on conventional art, and the present invention is realized
In the case of not using any ink, and improve the way traditionally pasted again using print character after monochromatic injection,
Seamless combination is realized, dustproof and waterproof effect is good, and laser carving refers to laser engraving, be that entry material is caused by the luminous energy of laser beam
Chemical Physics change and carve vestige, or pass through luminous energy burn up moieties, show needed for etching figure, word.
When laser is carved, crystal case will not can be cut through with resistance to laser engraving by laser, and laser will not produce engraving to crystal case and make
With crystal case is still remained intact, and by adjusting the power of laser beam, pedestal is gasified or is carbonized, is carved on pedestal
Carve and come word, symbol or pattern.Laser wavelength is more than the optical region of crystal case（Infrared laser 1064NM, Ultra-Violet Laser
355NM）It is across over so as to inject crystal case, reflection is not produced or refraction forms instantaneous high-temperature.The light of this pedestal
Wave band is learned to be distributed between 200NM--250NM；Pedestal laser transmission but, produce high temperature and moment punctures so that at it
Upper engraving character, symbol or pattern, pedestal can burn or only be carved in base-plates surface.
Preferably, described pedestal includes following composition by weight percentage:Ethylene-butene copolymer 30 ~ 45%；Silicone
1.5~2.5%；PP5~20%；White oil 5 ~ 15%；Pentaerythritol ester 2 ~ 20%；Calcium carbonate 2 ~ 13%；Laser laser carving powder 3 ~ 5%.
Preferably, described crystal case includes following composition by weight percentage:Resin liquid 40 ~ 50%；Optical region is white
Toner 12 ~ 20%；Filler 20%；Solvent 5~~ 10%；Dispersant 1 ~ 2%；Levelling agent 1%；Defoamer 1%.
Preferably, described resin liquid is in makrolon, polymethyl methacrylate, PET
It is any or several mix
Preferably, also including IC, under the working condition of keyboard, being turned on and off for projection source is controlled by IC, according to button
The speed of frequency come control light source igniting number and light jump speed, light is become with the up and down motion of different keycaps
Change, user can freely set light color and luminous pattern mode of operation, experience the bounce of sense of touch.
The beneficial effects of the present invention are：The present invention makes consumer also can accurately and quickly be carried out in the case where light is faint
Operation.Keyboard cover is made crystalline by the present invention simultaneously can change the vision of whole keyboard, feel, crystalline keycap from regarding
See especially comfortable in feel, whole keyboard contrasts existing keyboard and taken on an entirely new look, mix different light background colorfuls and moved with shadow,
Just like the sensation entered as children's stories, the mood of user can be improved.The keyboard cover exquisite in texture of the present invention, transparency is high, no
Strain cracking, font pattern is never wornout.
A kind of computer keyboard, including keyboard base, PCBA circuit boards, switch shaft, upper lid, crystal keycap, PCBA circuits
Plate is arranged in keyboard base, and crystal keycap constitutes operating circuit on switch shaft with the control circuit MCU of PCBA circuit boards,
By pressing crystal keycap trigger switch circuit and dataphone, background light can be triggered simultaneously by tapping crystal keycap, with not
Change with the up and down motion of keycap, user can freely set light color and luminous pattern mode of operation, experience sense of touch
Bounce.
A kind of keyboard of notebook computer, including keyboard base, PCBA circuit boards, metal clips, upper lid, crystal keycap,
PCBA circuit boards are arranged in keyboard base, control circuit MCU group of the crystal keycap on metal clips with PCBA circuit boards
Into operating circuit, by pressing crystal keycap trigger switch circuit and dataphone, the pedestal of the crystal keycap protrudes to be formed
Contact, to be contacted with the metal clips below crystal keycap, metal clips turning circuit plate realizes the instruction of button.
Embodiment of above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row is limited, on the premise of design spirit of the present invention is not departed from, technical side of this area ordinary skill technical staff to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (10)
1. a kind of backlight crystal keycap on computor-keyboard, includes the projection source of keycap body and bottom, its feature exists
In：Described keycap body includes pedestal and the crystal case being covered on pedestal, and the surface of the pedestal towards crystal case is provided with
Character, character enters line character engraving to pedestal using the permeable crystal case of laser and formed, and described pedestal and crystal case are used
Different transparency sizing materials pass through double-material jet formation integral structure.
2. a kind of backlight crystal keycap on computor-keyboard according to claim 1, it is characterised in that：Also include
IC, under the working condition of keyboard, controls being turned on and off for projection source by IC, light is controlled according to the speed of keying frequency
The bright number of source point and the speed of light jump, make light change with the up and down motion of different keycaps, user can be free
Light color and luminous pattern mode of operation are set, the bounce of sense of touch is experienced.
3. a kind of backlight crystal keycap on computor-keyboard according to claim 1, it is characterised in that：The character
For one or more of combinations in numeral, letter and symbol.
4. a kind of preparation method of backlight crystal keycap on computor-keyboard according to claim 1, its feature exists
In：Comprise the following steps：
Step one：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, moulding is carried out
Ultrasonic wave cleaning, baking destressing；
Step 2：Laser carving is carried out to base inner surface through crystal case using the laser of laser carving device so that formed on pedestal
There are character or pattern, so as to obtain character pattern;
Step 3：Alternatively non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into by single button by diel and pressing equipment；Single button pass through with
Component joint is assembled into complete keyboard.
5. a kind of preparation method of backlight crystal keycap on computor-keyboard according to claim 1, its feature exists
In：In step one, described pedestal includes following composition by weight percentage:Ethylene-butene copolymer 30 ~ 45%；Silicone 1.5 ~
2.5%；PP5~20%；White oil 5 ~ 15%；Pentaerythritol ester 2 ~ 20%；Calcium carbonate 2 ~ 13%；Laser laser carving powder 3 ~ 5%.
6. a kind of preparation method of backlight crystal keycap on computor-keyboard according to claim 1, its feature exists
In：In step one, described crystal case includes following composition by weight percentage:Resin liquid 40 ~ 50%；Optical region white powder
12~20%；Filler 20%；Solvent 5~~ 10%；Dispersant 1 ~ 2%；Levelling agent 1%；Defoamer 1%.
7. a kind of preparation method of backlight crystal keycap on computor-keyboard according to claim 6, its feature exists
In：Described resin liquid is any of makrolon, polymethyl methacrylate, PET or several
Plant and mix.
8. a kind of backlight crystal keycap on computor-keyboard, includes the projection source of keycap body and bottom, described key
Cap body includes pedestal and the crystal case being covered on pedestal, and the pedestal is provided with character, character side towards the surface of crystal case
The microgroove silk that face has section triangular in shape is horizontal, and character is used Bu Tong thoroughly by mold injection molding, described pedestal with crystal case
Lightness sizing material passes through double-material jet formation integral structure.
9. a kind of backlight crystal keycap on computor-keyboard according to claim 7, it is characterised in that：The character
For one or more of combinations in numeral, letter and symbol.
10. a kind of a kind of preparation method of backlight crystal keycap on computor-keyboard for described in claim 7, its
It is characterised by：Comprise the following steps：
Step one：Make base mold：Base mold is first opened slightly, required character is undercuted with laser machine, and undercut in character side
Microgroove silk, is then processed in the corresponding site of mold cavity with minute surface spark machine, then carries out electroplating processes to die cavity;
Step 2：Once it is molded:Base mold is arranged on injection machine, base material stream will be molded by entering glue runner by base mold
Enter, carry out the injection moulding of pedestal, obtain the pedestal with character；
Step 3：Quadric injection mould:The pedestal of injection moulding in step 2 is placed in crystal box cover die, glue is entered in crystal box cover die
Corresponding crystal cover material is flowed on runner, the injection moulding of crystal case is carried out；
Step 4：After step 3 terminates, the good crystal key crown of injection moulding is gone out using mold ejection mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140204.9A CN106960754B (en) | 2017-03-10 | 2017-03-10 | A kind of backlight crystal keycap on computor-keyboard |
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|---|---|---|---|
| CN201710140204.9A CN106960754B (en) | 2017-03-10 | 2017-03-10 | A kind of backlight crystal keycap on computor-keyboard |
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| CN106960754B CN106960754B (en) | 2018-11-02 |
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Cited By (3)
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| CN109203366A (en) * | 2018-08-29 | 2019-01-15 | 出门问问信息科技有限公司 | A kind of double-colored molding method of solid-state silica gel and products thereof, mold and application |
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| CN109968597A (en) * | 2019-03-26 | 2019-07-05 | 珠海市智迪科技股份有限公司 | A kind of keycap processing technology |
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| CN109203366A (en) * | 2018-08-29 | 2019-01-15 | 出门问问信息科技有限公司 | A kind of double-colored molding method of solid-state silica gel and products thereof, mold and application |
| CN109367040A (en) * | 2018-09-28 | 2019-02-22 | 东莞华晶粉末冶金有限公司 | Intelligence wearing face-piece and preparation method thereof |
| CN109367040B (en) * | 2018-09-28 | 2021-06-04 | 东莞华晶粉末冶金有限公司 | Intelligent wearable shell and manufacturing method thereof |
| CN109968597A (en) * | 2019-03-26 | 2019-07-05 | 珠海市智迪科技股份有限公司 | A kind of keycap processing technology |
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| CN106960754B (en) | 2018-11-02 |
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