CN106960754B - A kind of backlight crystal keycap on computor-keyboard - Google Patents
A kind of backlight crystal keycap on computor-keyboard Download PDFInfo
- Publication number
- CN106960754B CN106960754B CN201710140204.9A CN201710140204A CN106960754B CN 106960754 B CN106960754 B CN 106960754B CN 201710140204 A CN201710140204 A CN 201710140204A CN 106960754 B CN106960754 B CN 106960754B
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- Prior art keywords
- crystal
- character
- pedestal
- keycap
- keyboard
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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
Landscapes
- Input From Keyboards Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of backlight crystal keycaps on computor-keyboard, projection source including keycap ontology and bottom, the crystal case that the keycap ontology includes pedestal and is covered on pedestal, the pedestal is equipped with character towards the surface of crystal case, and character can pass through crystal case using laser and form character pattern to the engraving of pedestal into line character；Alternatively, character need not be carved or be printed by mold injection molding, the pedestal and crystal case are combined by way of double-material injection-molding integrated molding using different transparency sizing materials and form integral structure.The present invention changes and realizes the technique of character by being printed in keytop on traditional technology, it realizes in the case of not using any ink, and the way traditionally pasted again using print character after monochromatic injection molding is improved, seamless combination is realized, dustproof and waterproof effect is good.
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 commercial type is very easy to use under a bright ambient environment at present, but black
In the dark under environment, since operator can not see writing and symbol on keyboard clearly, can not flexible operating, and keyboard for a long time
After use, the character that is printed on keyboard can because nail grinder scrape or the substances such as sweat corrode after it is easy to wear, writing is unclear
It is clear, to influence the normal use of computer keyboard.
In addition, existing computer keyboard key is the key body that an appearance is truncated rectangular pyramids shape, shape is inflexible and feel is poor.
Invention content
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 adopts the following technical scheme that,
Keycap includes the projection source of keycap ontology and bottom, the crystal that the keycap ontology includes pedestal and is covered on pedestal
Lid, the pedestal are equipped with character towards the surface of crystal case, and character can pass through crystal case using laser and be carved into line character to pedestal
Quarter is formed, and the 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 as black, red, Huang according to actual demand
Crystal case can also be equally set as any transparent face different from pedestal by color, blue, green, cyan, purple or other colors
Color.
Preferably, further include 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, light color and luminous pattern operating mode can be freely arranged in user, experience the bounce of sense of touch.
Preferably, the character is the combination of one or more of number, letter, character and symbol.
A kind of production method for the backlight crystal keycap on computor-keyboard includes the following steps：
Step 1：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, to moulding
Carry out ultrasonic cleaning, baking destressing；
Step 2：Crystal case is passed through to carry out laser carving to base inner surface using the laser of laser carving device so that on pedestal
It is formed with character or pattern, to obtain character pattern;
Step 3：Non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into single button by diel and stamping equipment；Single button warp
It crosses and is assembled into complete keyboard with component joint.
The present invention changes and realizes that the technique of character, the present invention realize by being printed in keytop on traditional technology
In the case of not using any ink, and the way traditionally pasted again using print character after monochromatic injection molding is improved,
Seamless combination is realized, dustproof and waterproof effect is good, and laser carving refers to laser engraving, is to lead to entry material by the luminous energy of laser beam
Chemical Physics variation and carve trace, or by luminous energy burn up moieties, show needed for etch figure, word.
When laser is carved, crystal case can will not be cut through with resistance to laser engraving by laser, and laser will not generate engraving to crystal case and make
With crystal case still remains intact, and by adjusting the power of laser beam, so that pedestal is gasified or is carbonized, is carved on pedestal
It carves and comes word, symbol or pattern.Laser wavelength is more than the optical region of crystal case（Infrared laser 1064NM, ultraviolet laser
355NM）It is across over so as to inject crystal case, does not generate reflection or refraction forms instantaneous high-temperature.The light of this pedestal
Wave band is learned to be distributed between 200NM--250NM；The transmission of pedestal laser but, generating high temperature and moment punctures, at it
Upper engraving character, symbol or pattern, pedestal can burn or only be carved in base-plates surface.
Preferably, the 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, the 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%；Antifoaming agent 1%.
Preferably, the resin liquid is in makrolon, polymethyl methacrylate, polyethylene terephthalate
It is any or several mix
Preferably, further include 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, light color and luminous pattern operating mode can be freely arranged in user, experience the bounce of sense of touch.
A kind of backlight crystal keycap on computor-keyboard includes the projection source of keycap ontology and bottom, described
Keycap ontology includes pedestal and the crystal case that is covered on pedestal, and the pedestal is equipped with character, character towards the surface of crystal case
The microgroove silk that side has section triangular in shape is horizontal, and character is by mold injection molding, the pedestal and crystal case using different
Transparency sizing material passes through double-material jet formation integral structure.The microgroove silk that character side has section triangular in shape is horizontal, microgroove
Silk is horizontal so that the region after injection molding where character, pattern looks over from different perspectives can all appear light, play mark,
Anti-fake and beautiful effect.
Preferably, the character is the combination of one or more of number, letter, character and symbol.
A kind of production method for the backlight crystal keycap on computor-keyboard includes the following steps：
Step 1：Make base mold：Base mold is first opened slightly, undercuts required character with laser machine, and in character side
Microgroove silk is undercuted, is then processed with minute surface spark machine in the corresponding site of mold cavity, then electroplating processes are carried out to cavity;
Step 2：Primary injection molding:Base mold is mounted on injection molding machine, base will be molded into glue runner by base mold
Material flows into, and carries out the injection molding of pedestal, obtains the pedestal with character；
Step 3：Quadric injection mould:The pedestal of injection molding in step 2 is placed in crystal box cover die, in crystal box cover die
Corresponding crystal case material is flowed on into glue runner, carries out the injection molding of crystal case；
Step 4：After waiting for step 3, the good crystal key crown of injection molding is gone out using mold ejection mechanism.
Crystal keycap of the present invention uses two-shot process, and the pedestal of character is first provided with mold injection, then again will
The pedestal of injection formed is placed on the injection molding that crystal case is carried out in crystal box cover die, and pedestal is made to be integrally formed energy of the present invention with crystal case
It is enough that the number or letter or symbol of pedestal and crystal case and base-plates surface are disposably subjected to injection molding, and number or letter or
Symbol long-time service is not in fall 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 mold using laser machine.Because the machining of minute surface spark can damage electrode
Consumption, and process time is longer, so general point of essence is thick.Larger discharging gap stays in thick trade council, and when processing can increase discharge current,
Process time is reduced, then keeps mold more accurate with smart public processing.In order to make the more careful beauty of character, pattern of injection molding,
It is 14.5A that laser machine, which controls electric current, and effective vector step-length is 0.002ms, and effectively sky leapfrog long delay is 35us, Q frequencies
For 3KHz, the depth for sweeping one layer of laser engraving in this way is 0.01mm, if continuously repeating dried layer through computer control reaches desired
Depth.
The beneficial effects of the present invention are：The present invention makes consumer also can be accurately and quickly in the case where light is faint
It is operated.Keyboard cover is made crystalline by the present invention simultaneously can change the vision of entire keyboard, feel, crystalline keycap
Visually see especially comfortable, entire keyboard compares existing keyboard and takes on an entirely new look, and mixes different light background colorfuls with shadow
And move, just like the feeling 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 are never wornout.
Specific implementation mode
The present invention includes the projection light of keycap ontology and bottom about a kind of backlight crystal keycap on computor-keyboard
Source, the crystal case that the keycap ontology includes pedestal and is covered on pedestal, the pedestal and crystal case are using Bu Tong saturating
Lightness sizing material is combined by way of double-material injection-molding integrated molding and forms integral structure, can pass through crystal case to pedestal using laser
The engraving for carrying out character/pattern forms character pattern.
A kind of production method for the backlight crystal keycap on computor-keyboard includes the following steps：
Step 1：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, to moulding
Carry out ultrasonic cleaning, baking destressing；
Step 2：Crystal case is passed through to carry out laser carving to base inner surface using the laser of laser carving device so that on pedestal
It is formed with character or pattern, to obtain character pattern;
Step 3：Non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into single button by diel and stamping equipment；Single button warp
It crosses and is assembled into complete keyboard with component joint.
The present invention changes and realizes that the technique of character, the present invention realize by being printed in keytop on traditional technology
In the case of not using any ink, and the way traditionally pasted again using print character after monochromatic injection molding is improved,
Seamless combination is realized, dustproof and waterproof effect is good, and laser carving refers to laser engraving, is to lead to entry material by the luminous energy of laser beam
Chemical Physics variation and carve trace, or by luminous energy burn up moieties, show needed for etch figure, word.
When laser is carved, crystal case can will not be cut through with resistance to laser engraving by laser, and laser will not generate engraving to crystal case and make
With crystal case still remains intact, and by adjusting the power of laser beam, so that pedestal is gasified or is carbonized, is carved on pedestal
It carves and comes word, symbol or pattern.Laser wavelength is more than the optical region of crystal case（Infrared laser 1064NM, ultraviolet laser
355NM）It is across over so as to inject crystal case, does not generate reflection or refraction forms instantaneous high-temperature.The light of this pedestal
Wave band is learned to be distributed between 200NM--250NM；The transmission of pedestal laser but, generating high temperature and moment punctures, at it
Upper engraving character, symbol or pattern, pedestal can burn or only be carved in base-plates surface.
Preferably, the 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, the 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%；Antifoaming agent 1%.
Preferably, the resin liquid is in makrolon, polymethyl methacrylate, polyethylene terephthalate
It is any or several mix
Preferably, further include 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, light color and luminous pattern operating mode can be freely arranged in user, experience the bounce of sense of touch.
The beneficial effects of the present invention are：The present invention makes consumer also can be accurately and quickly in the case where light is faint
It is operated.Keyboard cover is made crystalline by the present invention simultaneously can change the vision of entire keyboard, feel, crystalline keycap
Visually see especially comfortable, entire keyboard compares existing keyboard and takes on an entirely new look, and mixes different light background colorfuls with shadow
And move, just like the feeling 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 are never wornout.
A kind of computer keyboard, including keyboard base, PCBA circuit boards, switch shaft, upper cover, crystal keycap, PCBA circuits
Plate is mounted in keyboard base, and crystal keycap forms 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, light color and luminous pattern operating mode can be freely arranged in user, experience sense of touch
Bounce.
A kind of keyboard of notebook computer, including keyboard base, PCBA circuit boards, metal clips, upper cover, crystal keycap,
PCBA circuit boards are mounted in keyboard base, control circuit MCU group of the crystal keycap on metal clips with PCBA circuit boards
At operating circuit, protrude to be formed by pressing crystal keycap trigger switch circuit and dataphone, the pedestal of the crystal keycap
Contact, to be contacted with the metal clips below crystal keycap, metal clips turning circuit plate realizes the instruction of button.
Embodiment of above be only the preferred embodiment of the present invention is described, not to the scope of the present invention into
Row limits, under the premise of not departing from design spirit of the present invention, technical side of this field ordinary engineering and technical personnel to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (5)
1. a kind of backlight crystal keycap on computor-keyboard includes the projection source of keycap ontology and bottom, feature exists
In：The crystal case that the keycap ontology includes pedestal and is covered on pedestal, the surface of the pedestal towards crystal case is equipped with
Character, character can pass through crystal case using laser and formed into line character engraving to pedestal, and the pedestal and crystal case use
Different transparency sizing materials pass through double-material jet formation integral structure, wherein the backlight crystal being used on computor-keyboard
Keycap making step is as follows：
Step 1：Pass through double-material injection-molding so that pedestal and crystal case are combined together to form whole frame moulding, are carried out to moulding
Ultrasonic cleaning, baking destressing；
Step 2：Crystal case is passed through to carry out laser carving to base inner surface using the laser of laser carving device so as to be formed on pedestal
There are character or pattern, to obtain character pattern;
Step 3：Non-transparent material is sprayed around the character pattern of base bottom surface;
Step 4：Whole frame moulding is stamped into single button by diel and stamping equipment；Single button pass through with
Component joint is assembled into complete keyboard.
2. a kind of backlight crystal keycap on computor-keyboard according to claim 1, it is characterised in that：Further include
IC controls being turned on and off for projection source by IC, light is controlled according to the speed of keying frequency under the working condition of keyboard
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 operating mode 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 the combination of one or more of number, letter and symbol.
4. a kind of backlight crystal keycap on computor-keyboard includes the projection source of keycap ontology and bottom, the key
Cap ontology includes pedestal and the crystal case that is covered on pedestal, and the pedestal is equipped 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 by mold injection molding, the pedestal and crystal case using Bu Tong saturating
Lightness sizing material passes through double-material jet formation integral structure, wherein the backlight crystal keycap system being used on computor-keyboard
Make method, includes the following steps：
Step 1：Make base mold：Base mold is first opened slightly, undercuts required character with laser machine, and undercut in character side
Then microgroove silk is processed in the corresponding site of mold cavity with minute surface spark machine, then carry out electroplating processes to cavity;
Step 2：Primary injection molding:Base mold is mounted on injection molding machine, base material stream will be molded into glue runner by base mold
Enter, carry out the injection molding of pedestal, obtains the pedestal with character；
Step 3：Quadric injection mould:The pedestal of injection molding in step 2 is placed in crystal box cover die, in crystal box cover die into glue
Corresponding crystal case material is flowed on runner, carries out the injection molding of crystal case；
Step 4：After waiting for step 3, the good crystal key crown of injection molding is gone out using mold ejection mechanism.
5. a kind of backlight crystal keycap on computor-keyboard according to claim 4, it is characterised in that：The character
For the combination of one or more of number, letter and symbol.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106960754A CN106960754A (en) | 2017-07-18 |
| CN106960754B true CN106960754B (en) | 2018-11-02 |
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| CN201710140204.9A Active CN106960754B (en) | 2017-03-10 | 2017-03-10 | A kind of backlight crystal keycap on computor-keyboard |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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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| CN1208884A (en) * | 1997-08-19 | 1999-02-24 | 旭丽股份有限公司 | Metallic two-color jetting plastic press key and mfg. method |
| CN1745446A (en) * | 2003-01-30 | 2006-03-08 | 三箭株式会社 | Method for making key top made of translucent material., key top marked by that method, key unit, and process for producing key unit |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106960754A (en) | 2017-07-18 |
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