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WO2016119175A1 - Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier - Google Patents

Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier Download PDF

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Publication number
WO2016119175A1
WO2016119175A1 PCT/CN2015/071837 CN2015071837W WO2016119175A1 WO 2016119175 A1 WO2016119175 A1 WO 2016119175A1 CN 2015071837 W CN2015071837 W CN 2015071837W WO 2016119175 A1 WO2016119175 A1 WO 2016119175A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
plate
positioning
lower cover
core
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.)
Ceased
Application number
PCT/CN2015/071837
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English (en)
Chinese (zh)
Inventor
袁建君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PCT/CN2015/071837 priority Critical patent/WO2016119175A1/fr
Publication of WO2016119175A1 publication Critical patent/WO2016119175A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element

Definitions

  • the invention belongs to the technical field of buttons of an electronic command input device, in particular to a mechanical button and a keyboard and an assembly method thereof.
  • the keyboard for the computer mostly adopts a single button switch combination structure
  • the single button is usually composed of a key cap, a push rod, a silicone elastic member and a film circuit, and the key cap and the push rod are integrally formed, and the silicone elastic member is arranged under the push rod.
  • the thin film circuit is disposed under the silicone elastic member, and when used, the push rod is pressed by pressing the key cap, and then pressed onto the thin film circuit by the silicone elastic member to turn on the thin film circuit, thereby To the effect of the input, release the keycap, and under the elastic force of the silicone elastic member, the push rod is upward, and the film circuit is disconnected.
  • the button of this structure has only two states, one is open and the other is conductive, and the pusher does not go down after it is turned on. If the button of this structure is applied to the game keyboard, it has the following disadvantages: first, the player's hand feel is poor; second, the sensitivity is not high; third, the speed is slow
  • Another existing game-specific keyboard after being turned on, can also have an empty stroke going down, using a single core assembly and then soldering on the PCB, each of which has complex machinery inside the core assembly.
  • the structure is high in cost and expensive. Due to the high price of the shaft core component, the PCB board and the production process, the price of each keyboard is more than 1000 yuan, which is not widely used in the industry.
  • the heavy spring and the light spring are overlapped on one axis, and after the contact is blocked, the light spring is blocked by the limit station, and the heavy spring can continue to press down, becoming an idle stroke. It can achieve the feel of the mechanical keyboard, but such design has the problem of sensitivity. It must wait for the contact to be pressed down a certain distance to conduct the conductive film, and then the light-loaded spring is continuously compressed until the heavy-duty spring begins to shrink after the restricted position block is blocked. Therefore, the time from pressing down to the conduction of the key cap is long, and there is a problem of poor sensitivity.
  • the present invention provides a mechanical button designed to solve the problem of high cost of a mechanical keyboard in the prior art.
  • the present invention provides a mechanical button including a keycap, a core, a casing, and a lower cover, the keycap being fitted over the core, the outer casing surrounding the core and
  • the shaft core is limited, the lower cover is disposed under the shaft core, and the micro-motion sensing sheet is disposed above the lower cover, and the elastic member is provided with an elastic member above the elastic member.
  • the shaft core is connected, and a positioning plate is disposed above the micro-motion sensing sheet, and the positioning plate is provided with a positioning hole through which the elastic member can pass, and the lower end of the outer casing presses the positioning plate.
  • the elastic member adopts a trumpet spring which is thick and thick, the bottom of the spring is located in the positioning hole, and the top of the spring is sleeved in a groove below the core.
  • a light guide plate is disposed between the lower cover and the micro-motion sensing sheet, and a side surface of the light guide plate has an LED light source that is irradiated into a cross section of the light guide plate, and a lower surface of the light guide plate and the shaft
  • the corresponding position of the core is provided with a concave surface which can be reflected upward, the core is made of a transparent material, and the characters indicated on the keycap are translucent.
  • a weighting plate is disposed between the light guide plate and the lower cover.
  • the signal of the key transmission is transmitted by using the micro-motion sensing piece, and the micro-motion sensing piece transmits the signal by the micro-motion generated by the pressing component to the capacitive load, that is, the feeling of the micro-motion sensing piece
  • the variable can be generated in the initial stage of the pressing of the pressing member (elastic member), and the generated variable is sent out as a command, and the continued pressing of the pressing member is not considered, and the elastic member is brought into consideration.
  • the sensitivity can also meet the required requirements, and a component for limiting the elastic member needs to be disposed between the elastic member and the micro-motion sensing piece.
  • the positioning hole provided on the positioning plate limits the lower edge of the elastic member therein, and the elasticity The bottom of the piece sits at the relative position of the micro-motion sensing piece with capacitive sensing.
  • the present invention further provides a keyboard, which includes an upper cover and a middle plate.
  • the outer casing is disposed on the middle plate according to a keyboard button, and a plurality of positioning buttons and micro-motions of the mechanical buttons.
  • the sensing sheet, the light guide plate, the weight plate and the lower cover are integrally connected into a plate-like integral assembly, and the positioning plate assembly, the micro-motion sensor assembly, the light guide plate assembly, the weight plate assembly and the lower cover assembly are formed.
  • the lower cover assembly is provided with a positioning post
  • the positioning plate assembly, the light guide plate assembly and the weight plate assembly are respectively provided with positioning through holes corresponding to the positioning posts.
  • the upper cover is in the shape of a frame having a plurality of hollowed out regions, and the mechanical button is further divided into a plurality of button regions according to a keyboard button distribution, and the button regions are exposed through corresponding corresponding hollow regions, wherein the upper cover
  • the frame portion of the cover is located between the button area and the button area and presses down the middle plate, and the upper and lower sides of the upper cover are provided with screw holes connectable to the lower cover assembly.
  • a plurality of the LED light sources are disposed on the light board PCB, and the light guide plate and the light board PCB contact portion are provided with a groove for accommodating the LED light source lamp bead, and the lower cover is provided with A light socket for housing the light board PCB.
  • the keyboard further includes a control unit, and an indicator light and a data power connection line
  • the micro-motion sensor chip assembly is electrically connected to the control unit
  • the light board PCB is electrically connected to the control unit.
  • the control unit connects the indicator light and the data power connection line.
  • the outer casing by integrating the outer casing with the middle plate, a new combined mode is formed, and the original one-axis core assembly of the prior art connects the outer casing into one body, and also The positioning plates are integrated into one, the positioning and installation are convenient, and the assembly method has also been revolutionized.
  • the most characteristic is that all the outer casings are integrated through the middle plate, thus completely breaking the original production core.
  • the work of the components, and the production speed is also fast, the cost of mold opening is also greatly reduced, and it can be adapted to any keyboard.
  • the shape change of the keyboard only needs to be changed on the upper cover and the lower cover, and the middle plate and the lower part thereof can be
  • the attached components such as the shaft core, springs, positioning plates, and even the light guide plate and the weight plate can be used on other keyboards, which greatly reduces the cost of the centralized production of the plate and the core assembly, even
  • a mid-plate and core assembly manufacturer can be formed to provide a complete set of mid-plate core assemblies, and then the keyboard manufacturer only needs to design a novel upper and lower cover and then assemble It can be put into the market, to further refine the division of the industry, promote product upgrades faster.
  • the invention also provides a keyboard assembly method, which uses the mechanical button and the components in the keyboard, and needs to prepare a top plate as an assembly aid before assembly, the top plate having the outer casing and the outer casing Corresponding protrusions, the assembly steps are:
  • the middle plate is turned over, the shaft core is turned over and then loaded into the outer casing of the middle plate, so that the upper portion of the axial core passes through the through hole of the upper portion of the outer casing, so that the top of the shaft core Exposed
  • the weight plate assembly, the light guide plate assembly, the micro-motion sensor assembly, and the positioning plate assembly are sequentially placed inside the lower cover assembly, and the positioning post passes through the positioning through hole of the component, the light board Inserting the LED into the light socket, and aligning the LED light source bead with the groove of the light guide plate, and connecting the line to the control unit, wherein the control unit and the indicator light are installed in the upper right corner of the lower cover, An electrical signal interface of the micro-motion sensor assembly is connected to the control unit, and the data power connection line is introduced through a side of the lower cover and electrically connected to the control unit;
  • the keycap can be worn completely on the top of the core by assisting the assembly with the top plate. If the top plate is not used, one of the upper and lower parts of the middle plate is required to be connected from the upper and lower parts of the middle plate. The efficiency will be greatly reduced, and since the middle plate can be widely applied to different appearance style keyboards, the top plate can only be used with uniform specifications to improve production efficiency.
  • FIG. 1 is a schematic exploded view of a mechanical button provided by the present invention
  • Figure 2 is a side cross-sectional view of the mechanical button provided by the present invention.
  • FIG. 3 is a schematic exploded view of a keyboard provided by the present invention.
  • FIG. 4 is a perspective view of a top plate according to a third embodiment of the present invention.
  • the first embodiment provides a mechanical button, including a keycap 10, a core 40, a casing 30, and a lower cover 21.
  • the keycap 10 is mounted on the core 40.
  • Upper, the outer casing 30 surrounds the axial core 40 and limits the axial core 40.
  • the lower cover 21 is disposed under the axial core 40, and the lower cover 21 is provided with a micro-motion sensing.
  • the sheet 70 is provided with an elastic member above the micro-motion sensing sheet 70, and the elastic member is a bell-shaped spring 50 which is thick and thick, and the spring 50 is connected to the shaft core 40, and the micro-motion sensing sheet is connected.
  • a positioning plate 60 is disposed above the positioning plate 60.
  • the positioning plate 60 is provided with a positioning hole through which the spring passes, and the lower end of the outer casing 30 presses against the positioning plate 60.
  • the key motion signal is transmitted by using the micro-motion sensor 70, and the micro-motion sensor 70 transmits a signal by the micro-motion generated by the pressing component to the capacitive load, that is, in the micro-motion sensing.
  • the sheet 70 senses that the initial stage of depression of the pressing member (elastic member) can generate a variable, and the generated variable is sent out as a command, and the variable when the pressing member continues to be depressed is not considered.
  • the elastic member brings about a space for continuing the pressing operation, so that the hand feeling effect of the mechanical button can be achieved, and the sensitivity can also meet the required requirements, and the spring 50 and the jog sensor 70 need to be set.
  • An assembly for limiting the spring 50 also needs to ensure that the spring 50 is completely vertically depressed during the pressing process and does not deflect. Therefore, the positioning hole provided on the positioning plate 60 places the spring 50. The lower edge is constrained therein, and the bottom of the spring sits at a relative position of the micro-motion sensing plate 70 that is capacitively sensed.
  • the bottom of the spring 50 is located in the positioning hole, the top of the spring 50 is sleeved in the groove below the core 40, and the horn spring is also called a tower spring, which is always maintained for the force to run up and down.
  • the bottom is placed in the locating hole, the locating hole locating the spring 50 because of the positioning
  • the hole is an upper and lower through hole, so that the bottom of the spring 50 is actually in contact with the jog sensor 70, and the core 40 presses the upper end of the spring 50 when subjected to a force applied downward from the keycap 10. Then, the spring 50 is contracted, and at the same time as the contraction, the bottom of the spring 50 is pressurized to trigger the micro-motion sensing sheet 70 to emit a signal.
  • a light guide plate 80 is disposed between the lower cover 21 and the micro-motion sensing sheet 70.
  • the side surface of the light guide plate 80 has an LED light source that is irradiated into the cross section of the light guide plate 80.
  • the lower surface of the light guide plate 80 is The corresponding position of the shaft core 40 is provided with a concave surface that can be reflected upward.
  • the shaft core 40 is made of a transparent material, and the characters indicated on the keycap 10 are translucent.
  • An LED light source is disposed on a side of the light guide plate 80. In order to better concentrate the light upward, a reflective film is disposed under the light guide plate 80. When the keyboard is in operation, the LED light source emits light, and the light is irradiated to the light guide plate 80.
  • the light guide plate 80 refracts the light upward and downward, and the light reflecting film reflects the downwardly refracted light upward, because the micro motion sensing sheet 70 and the positioning plate 60 and the outer shell 30 of the shaft core 40 are used.
  • the light-transmissive material continues to pass upward through the light leakage key of the keycap 10. This structural design causes the light to be refracted and reflected to be softer and does not cause irritation to the user's eyes.
  • the light guide plate 80 has a plurality of concave surfaces that can be reflected upward, and the light passes through the concave surface to generate reflection and refraction, so that the light emitted by the entire light guide plate 80 is uniform, and the light leakage key passing through the key cap 10 is passed.
  • the light displayed by the label is consistent.
  • the light guide plate 80 is composed of at least two pieces, and the light guide plate 80 is divided into a plurality of pieces according to a desired shape, and then spliced into a whole light guide plate. 80, the light guide plate is manufactured separately from multiple pieces, and then assembled into the keyboard, which can greatly reduce the production cost of the light guide plate.
  • a weight plate 90 is disposed between the light guide plate 80 and the lower cover 21.
  • Embodiment 2 Referring to FIG. 1-3, the embodiment adopts the above mechanical button and provides a keyboard, which includes an upper cover 2 and a middle plate 3.
  • the outer casing 30 is disposed on the middle plate according to a keyboard button distribution.
  • a plurality of the mechanical button positioning plate 60, the micro-motion sensing plate 70, the light guide plate 80, the weight plate 90 and the lower cover 21 are integrally connected into a plate-like integral assembly, forming the positioning plate assembly 6, and fretting
  • the sensor sheet assembly 7, the light guide plate assembly 8, the weight plate assembly 9, and the lower cover assembly 20 are integrally connected into a plate-like integral assembly, forming the positioning plate assembly 6, and fretting
  • the sensor sheet assembly 7, the light guide plate assembly 8, the weight plate assembly 9, and the lower cover assembly 20 are integrally connected into a plate-like integral assembly, forming the positioning plate assembly 6, and fretting
  • the sensor sheet assembly 7, the light guide plate assembly 8, the weight plate assembly 9, and the lower cover assembly 20 are integrally connected into a plate-like integral assembly,
  • the outer casing 30 by integrating the outer casing 30 with the intermediate plate 3, a new combined mode is formed, which eliminates the mode of positioning and installation of the original one-axis core assembly in the prior art.
  • the outer casing 30 is connected as one body, and the positioning plate 60 is also integrated into one body, and the positioning and installation are convenient, and the manner of assembly is also revolutionized.
  • the most characteristic is that all the outer casings 30 are integrated through the intermediate plate 3, This completely breaks the work of the original one-piece production core assembly, and the production speed is also fast, the mold opening cost is also greatly reduced, and can be adapted to any keyboard.
  • the shape change of the keyboard only needs to be on the upper cover 2 and the lower cover.
  • the corresponding change can be made to the component 20, and the middle plate 3 and the components attached thereto, such as the core 40, the spring 50, the positioning plate 60, and even the light guide plate 80 and the weight plate 90 can be universally used on other keyboards.
  • the novel upper cover 2 and lower cover assembly 20 are designed and then put into the market after assembly, further refine the division of labor in the industry, and accelerate the product upgrade speed.
  • the lower cover assembly 20 is provided with a positioning post.
  • the positioning plate assembly 6, the light guide plate assembly 8, and the weight plate assembly 9 are each provided with a positioning through hole corresponding to the positioning post.
  • the upper cover 2 is in the shape of a frame having a plurality of hollowed out regions, and the mechanical button is further divided into a plurality of button regions according to the keyboard button distribution, and the button regions are exposed through the corresponding hollow regions, the upper cover 2
  • the frame portion is located between the button area and the button area and presses the middle plate 3 downwardly to form a fixing to the lower part to prevent the space between the part and the part.
  • the upper cover 2 is provided with upper and lower sides.
  • the screw hole or the rivet which can be connected to the lower cover assembly 20 can be connected to the upper cover 2 and the lower cover assembly 20 by screws or rivets.
  • the LED light source provided by the embodiment is provided in plurality.
  • the LED light source is distributed on the light board PCB 81, and the light guide plate assembly and the light board PCB 81 are provided with a contact portion.
  • a recess of the LED light source bead the lower cover assembly 20 is provided with a light slot for accommodating the light board PCB, and the light bead is embedded because the groove corresponds to the lamp bead of the LED light source In the groove, the angle of illumination of the lamp beam is greatly increased, and the angle is less than or equal to 180 degrees, so that the light is incident into the cross section of the light guide plate more fully.
  • the keyboard further includes a control unit, and an indicator light and a data power connection line
  • the micro-motion sensing sheet assembly is electrically connected to the control unit
  • the light board PCB is electrically connected to the control unit
  • the control unit is connected to the indicator light and the data power connection line.
  • the indicator light is generally distributed in the upper right corner position of the keyboard according to international standards, and the control unit can also be directly disposed at the position, and then the data power source The cable can be accessed directly from nearby.
  • the present invention further provides a keyboard assembly method, which uses the mechanical button and the components in the keyboard, and needs to prepare a top plate as an assembly aid before assembly.
  • the top plate has a protrusion corresponding to the outer casing carried on the middle plate, and the assembling step is:
  • the middle plate 3 is turned over, the shaft core 40 is turned over, and then inserted into the outer casing 30 on the intermediate plate 3, so that the upper portion of the axial core 40 passes through the through hole in the upper portion of the outer casing 30, Exposing the top of the core 40;
  • the weight plate assembly 90, the light guide plate assembly 80, the micro-motion sensor assembly 70, and the positioning plate assembly 6 are sequentially placed inside the lower cover assembly 20, and the positioning post passes through the positioning through hole of the assembly.
  • the lamp board PCB81 is loaded into the lamp socket, and the LED light source lamp bead is aligned with the groove of the light guide plate assembly 8, and the line is connected to the control unit, and the control unit and the indicator light are installed at In the upper right corner of the lower cover, an electrical signal interface of the micro-motion sensor assembly 70 is connected to the control unit, and the data power connection line is introduced through a side of the lower cover and electrically connected to the control unit. ;
  • the bottom of the spring 50 is placed in the positioning hole of the positioning plate assembly 6, so that the bottom of the spring 50 contacts the micro-motion sensor assembly 70;
  • the keycap 10 can be worn completely on the top of the core 40 by using the top plate for auxiliary assembly. If the top plate is not used, it is necessary to assemble the core 40 from the upper and lower portions of the intermediate plate 3 and The key cap 10 is connected, the efficiency is greatly reduced, and since the middle plate 3 can be widely applied to different appearance style keyboards, the top plate can only adopt uniform specifications, thereby improving production efficiency.

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  • Push-Button Switches (AREA)

Abstract

L'invention concerne un touche mécanique et un clavier utilisant la touche mécanique, ainsi qu'un procédé d'assemblage de clavier. La touche comprend un capuchon (10) de touche, une broche centrale (40), une coque (30) et un couvercle inférieur (21). Le capuchon de touche est ajusté au-dessus de la broche centrale, la coque entoure et limite la broche centrale, le couvercle inférieur est disposé au-dessous de la broche centrale, une feuille de détection de micro-mouvement (70) est posée au-dessus du couvercle inférieur, un élément élastique (50) est disposé au-dessus de la feuille de détection de micro-mouvement, la broche centrale est raccordée au-dessus de l'élément élastique, une plaque de positionnement (60) est disposée au-dessus de la feuille de détection de micro-mouvement, un trou de positionnement pour permettre à l'élément élastique de pénétrer à travers celle-ci est formé sur la plaque de positionnement et une extrémité inférieure de la coque est pressée contre la plaque de positionnement. Un signal d'actionnement de touche est transmis par utilisation de la feuille de détection de micro-mouvement, une variable est produite à partir du signal d'actionnement de touche et envoyé sous forme d'ordre, l'espace pour la pression continue de l'élément élastique est créé sur le principe selon lequel une pression continue d'un composant de pression n'est pas prise en compte et par conséquent, la sensation manuelle de la touche mécanique est obtenue.
PCT/CN2015/071837 2015-01-29 2015-01-29 Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier Ceased WO2016119175A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/071837 WO2016119175A1 (fr) 2015-01-29 2015-01-29 Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/071837 WO2016119175A1 (fr) 2015-01-29 2015-01-29 Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier

Publications (1)

Publication Number Publication Date
WO2016119175A1 true WO2016119175A1 (fr) 2016-08-04

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Application Number Title Priority Date Filing Date
PCT/CN2015/071837 Ceased WO2016119175A1 (fr) 2015-01-29 2015-01-29 Touche mécanique et clavier utilisant celle-ci et procédé d'assemblage de clavier

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709305A1 (de) * 1987-03-21 1988-09-29 Mueller Rolf K Dr Druckschalter, insbesondere als taste einer tastatur
US20110042196A1 (en) * 2009-08-21 2011-02-24 Tatsuya Yokoyama Push switch equipped with capacitance sensor and input device including the same
CN203040007U (zh) * 2012-12-26 2013-07-03 东普雷股份有限公司 静电电容式开关用电路基板
CN103377841A (zh) * 2012-04-12 2013-10-30 吴长隆 键盘的按键结构及其制造方法
CN203423097U (zh) * 2013-09-25 2014-02-05 胡恒 一种无声发光机械按键及键盘
CN204009756U (zh) * 2014-06-24 2014-12-10 黄晓生 静电容量式无触点键盘

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709305A1 (de) * 1987-03-21 1988-09-29 Mueller Rolf K Dr Druckschalter, insbesondere als taste einer tastatur
US20110042196A1 (en) * 2009-08-21 2011-02-24 Tatsuya Yokoyama Push switch equipped with capacitance sensor and input device including the same
CN103377841A (zh) * 2012-04-12 2013-10-30 吴长隆 键盘的按键结构及其制造方法
CN203040007U (zh) * 2012-12-26 2013-07-03 东普雷股份有限公司 静电电容式开关用电路基板
CN203423097U (zh) * 2013-09-25 2014-02-05 胡恒 一种无声发光机械按键及键盘
CN204009756U (zh) * 2014-06-24 2014-12-10 黄晓生 静电容量式无触点键盘

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