WO2012119516A1 - Keyboard applying plastic injection molded baseboard and production method thereof - Google Patents

Keyboard applying plastic injection molded baseboard and production method thereof Download PDF

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Publication number
WO2012119516A1
WO2012119516A1 PCT/CN2012/071643 CN2012071643W WO2012119516A1 WO 2012119516 A1 WO2012119516 A1 WO 2012119516A1 CN 2012071643 W CN2012071643 W CN 2012071643W WO 2012119516 A1 WO2012119516 A1 WO 2012119516A1
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WO
WIPO (PCT)
Prior art keywords
keyboard
bottom plate
button
lower pin
pin fixing
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PCT/CN2012/071643
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French (fr)
Chinese (zh)
Inventor
江海波
Original Assignee
Jiang Haibo
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Publication date
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Publication of WO2012119516A1 publication Critical patent/WO2012119516A1/en

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    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/022—Collapsable dome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser

Definitions

  • the invention relates to the technical field of computer keyboards, in particular to a keyboard using a plastic injection base plate used in a notebook computer or a desktop computer and a production method thereof.
  • the existing notebook keyboard and some desktop computers are mostly constructed with a number of spaced-apart button caps and button caps. a plurality of corresponding scissor legs and a plurality of elastic silicone bodies, a plurality of lower pin holders corresponding to the lower pins of the plurality of scissor feet, a keyboard bottom plate, and a printed circuit film covering the surface of the keyboard bottom plate are assembled
  • the existing keyboard bottom plate is mostly made of aluminum plate. As shown in Fig.
  • the aluminum plate a directly punches the hole b and forms a plurality of fixed hooks c to form a lower pin fixing seat.
  • the aluminum plate of this structure is high in cost and is punched out.
  • the accuracy of the hook is poor, and it is difficult to achieve automatic production in assembly, and the manual operation cost is high, and automatic assembly cannot be realized.
  • how to improve the structure and production method of the existing keyboard to reduce the production cost of the keyboard has become a technical problem to be solved.
  • the object of the present invention is to provide a keyboard using a plastic injection molding base plate which can reduce the cost of raw materials, improve the assembly efficiency of the production, and automatically produce the production level in view of the deficiencies of the prior art.
  • Another object of the present invention is to provide a keyboard production method which can simplify the production process and reduce the production cost while improving the product quality, in view of the deficiencies of the prior art.
  • a keyboard using an injection molded bottom plate comprising: a plurality of spaced apart button caps, a plurality of scissor feet corresponding to the button caps, and a plurality of elastic silicone bodies, and a plurality of lower pin holders, a keyboard bottom plate and a printed circuit film covering the surface of the keyboard bottom plate of the plurality of lower legs of the scissor feet, wherein the bottom surface of the button cap is provided with an upper pin fixing seat, and after assembling, the upper side of the scissors feet The pin is fixedly fastened to the upper pin holder, and the lower pin of the scissor foot is fixedly fixed to the lower pin holder.
  • each of the lower pin fixing bases and the keyboard bottom plate is the same plastic piece integrally molded by a plastic material.
  • the keyboard can be a laptop keyboard.
  • the keyboard can be a desktop computer keyboard.
  • the lower pin holder and the keyboard bottom plate are injection molded from ABS or PC or PC and ABS or POM or nylon or PMMA and ABS or PMMA or PBT plastic materials.
  • the invention also discloses a production method of a keyboard using an injection molding base plate, which comprises the following steps: injection molding the lower pin fixing seat and the keyboard bottom plate into the same plastic piece in the same plastic film, and the plastic piece and the button cap
  • the scissor foot, the elastic silicone body, and the printed circuit film are assembled, so that the upper pin of the scissor foot is inserted and fixed on the upper pin fixing seat on the bottom plate of the button cap, and the lower pin of the scissor foot is fixedly fixed on the same plastic piece.
  • the top of the elastic silicone body is placed on the bottom surface of the button cap, and the bottom of the elastic silicone body is located on the button switch of the printed circuit film.
  • the invention improves the keyboard bottom plate which is traditionally made of aluminum plate into a keyboard bottom plate made of plastic material, and replaces the structure which is originally punched into a plurality of fixed hooks on the aluminum plate to form the lower pin fixing seat.
  • the pin fixing base and the keyboard bottom plate are integrally injection-molded into the same plastic piece, and the structure thereof is firm and accurate, and the cost of the raw material is reduced; and the production method of the invention adopts the injection molding of the lower pin fixing seat and the keyboard bottom plate to simplify the production process and reduce the production process.
  • the production cost increases the precision of assembly and the efficiency of automated assembly, and is suitable for automated production, ensuring product quality.
  • FIG. 1 is a schematic structural view of a conventional aluminum keyboard bottom plate.
  • FIG. 2 is a perspective exploded view of a first embodiment of a keyboard of the present invention.
  • FIG. 3 is a schematic structural view of the keyboard backplane of FIG. 2.
  • FIG. 4 is a perspective exploded view of a second embodiment of the keyboard of the present invention.
  • FIG. 5 is a schematic structural view of the keyboard bottom plate of FIG. 4.
  • FIG. 5 is a schematic structural view of the keyboard bottom plate of FIG. 4.
  • Fig. 6 is a perspective view showing the three-dimensional exploded structure of the keyboard embodiment of the present invention.
  • FIG. 7 is a schematic structural view of the keyboard backplane of FIG. 6.
  • FIG. 1 is a schematic structural view of a conventional aluminum keyboard bottom plate, directly punching b on the aluminum plate a and forming a plurality of fixed hooks c to form a lower pin holder d
  • the aluminum plate of this structure has high cost, and the accuracy of the hooks punched out is poor, and it is difficult to realize automatic production in assembly, and the manual operation cost is high, and automatic assembly cannot be realized.
  • a keyboard using an injection molded bottom plate includes: a plurality of spaced apart button caps 10, a plurality of scissor legs 20 corresponding to the button caps 10, and a plurality of
  • the elastic silicone body 30 has a plurality of lower pin fixing bases 40 corresponding to the lower pins of the plurality of scissor feet 20, a keyboard bottom plate 50, and a printed circuit film 60 covering the surface of the keyboard bottom plate 50.
  • the bottom surface of the button cap 10 is provided.
  • the upper pin holder is assembled, and the upper pin of the scissor foot 20 is inserted and fixed on the upper pin holder.
  • the lower pin of the scissor foot 20 is inserted and fixed on the lower pin holder 40, and the top of the elastic silicone body 30 is placed on the button.
  • the bottom of the elastic silicone body 30 is located on the push button switch of the printed circuit film 60.
  • the respective lower pin mounts 40 and the keyboard bottom plate 50 are the same plastic piece integrally molded by plastic material.
  • the keyboard can be a laptop keyboard.
  • the keyboard can also be a desktop computer keyboard.
  • the lower pin mount 40 and the keyboard backplane 50 are injection moldable from ABS or PC or PC and ABS or POM or nylon or PMMA and ABS or PMMA or PBT plastic materials.
  • the invention also discloses a production method of a keyboard using a plastic injection molding bottom plate, comprising the steps of: molding the lower pin fixing base 40 and the keyboard bottom plate 50 into the same plastic piece in the same plastic film, and the printed circuit board 60 is covered on the keyboard bottom plate 50, and a through hole 61 through which the lower pin holder 40 passes is formed on the printed circuit board 60, and the plastic part and the button cap 10, the scissor foot 20, the elastic silicone body 30, and the printed circuit are mounted.
  • the film 60 is assembled such that the upper pins of the scissor feet 20 are inserted and fixed on the upper pin holders on the bottom plate of the button cap 10.
  • the lower pins of the scissor pins 20 are inserted and fixed on the lower pin holders 40 on the same plastic member.
  • the top of the elastic silicone body 30 is disposed on the bottom surface of the button cap 10, and the bottom of the elastic silicone body 30 is located on the button switch of the printed circuit film 60.
  • the keyboard cap 10 When in use, the keyboard cap 10 is pressed under the finger, the button cap 10 presses the elastic silicone body 30, and the elastic silicone body 30 presses the button switch of the printed circuit board film 60 to turn on the button circuit, where the scissors foot 20 supports the fixed After the button cap 10 is released, the button cap 10 is reset by the elastic force of the elastic silicone body 30 after the finger is released.
  • three lower pin holders 40 are used, which are arranged in a triangle shape;
  • four lower pin holders 40 are used, which are trapezoidal, but only four lower pin holders 40 are disposed. different.
  • the invention improves the keyboard bottom plate 50 which is traditionally made of aluminum plate into a keyboard bottom plate 50 of plastic material, and replaces the structure of the lower pin holder 40 directly formed by directly pressing the aluminum plate into a plurality of fixed hooks to form the lower pin holder 40 and the keyboard.
  • the bottom plate 50 is integrally injection molded into the same plastic piece, and the structure is firm and reduces the cost of the raw material; and the production method of the invention adopts the injection molding of the lower pin fixing base and the keyboard bottom plate to simplify the production process and reduce the production cost.
  • the present invention has a simple and compact structure, low cost, high precision, and high production efficiency.

Abstract

A keyboard applying a plastic injection molded baseboard and used for a notebook computer or a desktop computer, and a production method thereof. The keyboard comprises a plurality of button caps (10) arranged at intervals, scissor legs (20), a plurality of elastic colloidal silica members (30), a plurality of lower pin fixing seats (40), a keyboard baseboard (50) and a printed circuit film (60) covering the surface of the keyboard baseboard (50), the bottom surface of the button cap (10) being provided with an upper pin fixing seat. After assembly, the upper pins of the scissor legs (20) are inserted into and fixed on the upper pin fixing seats; the lower pins of the scissor legs (20) are inserted into and fixed on the lower pin fixing seats (40); the top of the elastic colloidal silica member (30) is propped against the bottom surface of the button cap (10); the bottom of the elastic colloidal silica member (30) is positioned on the button switch of the printed circuit film (60). Each lower pin fixing seat (40) and the keyboard baseboard (50) are the same plastic piece integrally formed by plastic injection molding by using a plastic material. The present invention simplifies the production process, reduces the production cost, and improves the assembly accuracy and the efficiency of automated assembly.

Description

一种采用塑胶注塑底板的键盘及其生产方法  Keyboard using plastic injection bottom plate and production method thereof
本发明涉及计算机键盘技术领域，尤其涉及一种笔记本电脑或台式机电脑使用的采用塑胶注塑底板的键盘及其生产方法。 The invention relates to the technical field of computer keyboards, in particular to a keyboard using a plastic injection base plate used in a notebook computer or a desktop computer and a production method thereof.
随着信息产业的发展，计算机得到了日益广泛的应用。不管是笔记本电脑还是台式机的应用都离不开计算机键盘，现有的笔记本键盘和一些台式机如苹果电脑采用的轻薄型键盘，其结构大都是采用若干片间隔分布的按键帽、与按键帽一一对应的若干个剪刀脚和若干个弹性硅胶体、与若干个剪刀脚的下插脚一一对应的若干个下插脚固定座、键盘底板以及覆盖在键盘底板表面的印刷电路薄膜这些部件装配而成，现有的键盘底板大都采用铝板制作，如图1所示，在铝板a上直接冲孔b并形成若干个固定卡勾c形成下插脚固定座，这种结构铝板成本高，所冲出的卡钩精确度差，在装配上难以实现自动化生产，人工操作成本高，无法实现自动化装配。有鉴于此，如何改进现有键盘的结构和生产方法来降低键盘的生产成本成为有待解决的技术问题。With the development of the information industry, computers have been increasingly used. Whether it is a laptop or a desktop application, the computer keyboard is indispensable. The existing notebook keyboard and some desktop computers, such as the thin and light keyboard used by Apple computers, are mostly constructed with a number of spaced-apart button caps and button caps. a plurality of corresponding scissor legs and a plurality of elastic silicone bodies, a plurality of lower pin holders corresponding to the lower pins of the plurality of scissor feet, a keyboard bottom plate, and a printed circuit film covering the surface of the keyboard bottom plate are assembled The existing keyboard bottom plate is mostly made of aluminum plate. As shown in Fig. 1, the aluminum plate a directly punches the hole b and forms a plurality of fixed hooks c to form a lower pin fixing seat. The aluminum plate of this structure is high in cost and is punched out. The accuracy of the hook is poor, and it is difficult to achieve automatic production in assembly, and the manual operation cost is high, and automatic assembly cannot be realized. In view of this, how to improve the structure and production method of the existing keyboard to reduce the production cost of the keyboard has become a technical problem to be solved.
技术问题technical problem
本发明的目的就是针对现有技术的不足之处而提供的一种可减低原材料成本、提高生产装配效率及自动化生产程度的采用塑胶注塑底板的键盘。The object of the present invention is to provide a keyboard using a plastic injection molding base plate which can reduce the cost of raw materials, improve the assembly efficiency of the production, and automatically produce the production level in view of the deficiencies of the prior art.
本发明的另一目的就是针对现有技术的不足之处而提供的一种可简化生产工艺而降低生产成本，同时提高产品品质的键盘生产方法。Another object of the present invention is to provide a keyboard production method which can simplify the production process and reduce the production cost while improving the product quality, in view of the deficiencies of the prior art.
技术解决方案 Technical solution
为达到上述目的，本发明的技术方案是：一种采用注塑底板的键盘，包括有：若干片间隔分布的按键帽、与按键帽一一对应的若干个剪刀脚和若干个弹性硅胶体、与若干个剪刀脚的下插脚一一对应的若干个下插脚固定座、键盘底板以及覆盖在键盘底板表面的印刷电路薄膜，所述按键帽底面设有上插脚固定座，装配后，剪刀脚的上插脚插接固定在上插脚固定座上，剪刀脚的下插脚插接固定在下插脚固定座上，弹性硅胶体的顶部顶设在按键帽底面上，弹性硅胶体的底部位于印刷电路薄膜的按键开关上，所述各个下插脚固定座和所述键盘底板是由塑胶材料一体注塑成型的同一个塑胶件。 In order to achieve the above object, the technical solution of the present invention is: a keyboard using an injection molded bottom plate, comprising: a plurality of spaced apart button caps, a plurality of scissor feet corresponding to the button caps, and a plurality of elastic silicone bodies, and a plurality of lower pin holders, a keyboard bottom plate and a printed circuit film covering the surface of the keyboard bottom plate of the plurality of lower legs of the scissor feet, wherein the bottom surface of the button cap is provided with an upper pin fixing seat, and after assembling, the upper side of the scissors feet The pin is fixedly fastened to the upper pin holder, and the lower pin of the scissor foot is fixedly fixed to the lower pin holder. The top of the elastic silicone body is placed on the bottom surface of the button cap, and the bottom of the elastic silicone body is located on the button switch of the printed circuit film. In the above, each of the lower pin fixing bases and the keyboard bottom plate is the same plastic piece integrally molded by a plastic material.
所述键盘可为笔记本电脑键盘。The keyboard can be a laptop keyboard.
所述键盘可为台式机电脑键盘。The keyboard can be a desktop computer keyboard.
所述下插脚固定座和所述键盘底板是由ABS或PC或PC和ABS或POM或尼龙或PMMA和ABS或PMMA或PBT塑胶材料注塑成型。The lower pin holder and the keyboard bottom plate are injection molded from ABS or PC or PC and ABS or POM or nylon or PMMA and ABS or PMMA or PBT plastic materials.
本发明还公开了一种采用注塑底板的键盘的生产方法，包括有以下步骤：将下插脚固定座和键盘底板在同一塑料膜具内注塑成型为同一个塑料件，将该塑料件与按键帽、剪刀脚、弹性硅胶体、印刷电路薄膜进行装配，使剪刀脚的上插脚插接固定在按键帽底板上的上插脚固定座上，剪刀脚的下插脚插接固定在同一个塑料件上的下插脚固定座上，弹性硅胶体的顶部顶设在按键帽底面上，弹性硅胶体的底部位于印刷电路薄膜的按键开关上。The invention also discloses a production method of a keyboard using an injection molding base plate, which comprises the following steps: injection molding the lower pin fixing seat and the keyboard bottom plate into the same plastic piece in the same plastic film, and the plastic piece and the button cap The scissor foot, the elastic silicone body, and the printed circuit film are assembled, so that the upper pin of the scissor foot is inserted and fixed on the upper pin fixing seat on the bottom plate of the button cap, and the lower pin of the scissor foot is fixedly fixed on the same plastic piece. On the lower pin holder, the top of the elastic silicone body is placed on the bottom surface of the button cap, and the bottom of the elastic silicone body is located on the button switch of the printed circuit film.
有益效果Beneficial effect
采用上述结构及方法后，本发明将传统采用铝板制作的键盘底板改进为塑胶材料制成的键盘底板，将原来在铝板上直接冲压成若干个固定卡勾形成下插脚固定座的结构替换为下插脚固定座和键盘底板一体注塑成型为同一塑胶件，其结构牢固精确度高并降低了原材料的成本；而本发明的生产方法采用下插脚固定座和键盘底板一体注塑成型简化了生产工艺，降低了生产成本，提高了装配的精确度和自动化装配效率，适合自动化生产，保证了产品品质。After adopting the above structure and method, the invention improves the keyboard bottom plate which is traditionally made of aluminum plate into a keyboard bottom plate made of plastic material, and replaces the structure which is originally punched into a plurality of fixed hooks on the aluminum plate to form the lower pin fixing seat. The pin fixing base and the keyboard bottom plate are integrally injection-molded into the same plastic piece, and the structure thereof is firm and accurate, and the cost of the raw material is reduced; and the production method of the invention adopts the injection molding of the lower pin fixing seat and the keyboard bottom plate to simplify the production process and reduce the production process. The production cost increases the precision of assembly and the efficiency of automated assembly, and is suitable for automated production, ensuring product quality.
附图说明DRAWINGS
图1是现有铝制键盘底板的结构示意图。1 is a schematic structural view of a conventional aluminum keyboard bottom plate.
图2是本发明键盘实施例一立体分解结构示意图。2 is a perspective exploded view of a first embodiment of a keyboard of the present invention.
图3是图2中的键盘底板的结构示意图。3 is a schematic structural view of the keyboard backplane of FIG. 2.
图4是本发明键盘实施例二立体分解结构示意图。4 is a perspective exploded view of a second embodiment of the keyboard of the present invention.
图5是图4中的键盘底板的结构示意图。FIG. 5 is a schematic structural view of the keyboard bottom plate of FIG. 4. FIG.
图6是本发明键盘实施例三立体分解结构示意图。Fig. 6 is a perspective view showing the three-dimensional exploded structure of the keyboard embodiment of the present invention.
图7是图6中的键盘底板的结构示意图。7 is a schematic structural view of the keyboard backplane of FIG. 6.
本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION
图1是现有铝制键盘底板的结构示意图，在铝板a上直接冲孔b并形成若干个固定卡勾c形成下插脚固定座d ，这种结构铝板成本高，所冲出的卡钩精确度差，在装配上难以实现自动化生产，人工操作成本高，无法实现自动化装配。1 is a schematic structural view of a conventional aluminum keyboard bottom plate, directly punching b on the aluminum plate a and forming a plurality of fixed hooks c to form a lower pin holder d The aluminum plate of this structure has high cost, and the accuracy of the hooks punched out is poor, and it is difficult to realize automatic production in assembly, and the manual operation cost is high, and automatic assembly cannot be realized.
本发明的键盘的实施例如图2-7所示，一种采用注塑底板的键盘，包括有：若干片间隔分布的按键帽10、与按键帽10一一对应的若干个剪刀脚20和若干个弹性硅胶体30、与若干个剪刀脚20的下插脚一一对应的若干个下插脚固定座40、键盘底板50以及覆盖在键盘底板50表面的印刷电路薄膜60，所述按键帽10底面设有上插脚固定座，装配后，剪刀脚20的上插脚插接固定在上插脚固定座上，剪刀脚20的下插脚插接固定在下插脚固定座40上，弹性硅胶体30的顶部顶设在按键帽10底面上，弹性硅胶体30的底部位于印刷电路薄膜60的按键开关上，所述各个下插脚固定座40和所述键盘底板50是由塑胶材料一体注塑成型的同一个塑胶件。 The keyboard of the present invention is implemented as shown in FIG. 2-7. A keyboard using an injection molded bottom plate includes: a plurality of spaced apart button caps 10, a plurality of scissor legs 20 corresponding to the button caps 10, and a plurality of The elastic silicone body 30 has a plurality of lower pin fixing bases 40 corresponding to the lower pins of the plurality of scissor feet 20, a keyboard bottom plate 50, and a printed circuit film 60 covering the surface of the keyboard bottom plate 50. The bottom surface of the button cap 10 is provided. The upper pin holder is assembled, and the upper pin of the scissor foot 20 is inserted and fixed on the upper pin holder. The lower pin of the scissor foot 20 is inserted and fixed on the lower pin holder 40, and the top of the elastic silicone body 30 is placed on the button. On the bottom surface of the cap 10, the bottom of the elastic silicone body 30 is located on the push button switch of the printed circuit film 60. The respective lower pin mounts 40 and the keyboard bottom plate 50 are the same plastic piece integrally molded by plastic material.
本发明的实施方式Embodiments of the invention
所述键盘可为笔记本电脑键盘。The keyboard can be a laptop keyboard.
所述键盘也可为台式机电脑键盘。The keyboard can also be a desktop computer keyboard.
所述下插脚固定座40和所述键盘底板50是可由ABS或PC或PC和ABS或POM或尼龙或PMMA和ABS或PMMA或PBT塑胶材料注塑成型。The lower pin mount 40 and the keyboard backplane 50 are injection moldable from ABS or PC or PC and ABS or POM or nylon or PMMA and ABS or PMMA or PBT plastic materials.
本发明还公开了一种采用塑胶注塑底板的键盘的生产方法，包括有以下步骤：将下插脚固定座40和键盘底板50在同一塑料膜具内注塑成型为同一个塑料件，将印刷电路板60覆盖在键盘底板50上，在印刷电路板60上开有供下插脚固定座40穿过的通孔61，再将该塑料件与按键帽10、剪刀脚20、弹性硅胶体30、印刷电路薄膜60进行装配，使剪刀脚20的上插脚插接固定在按键帽10底板上的上插脚固定座上，剪刀脚20的下插脚插接固定在同一个塑料件上的下插脚固定座40上，弹性硅胶体30的顶部顶设在按键帽10底面上，弹性硅胶体30的底部位于印刷电路薄膜60的按键开关上。The invention also discloses a production method of a keyboard using a plastic injection molding bottom plate, comprising the steps of: molding the lower pin fixing base 40 and the keyboard bottom plate 50 into the same plastic piece in the same plastic film, and the printed circuit board 60 is covered on the keyboard bottom plate 50, and a through hole 61 through which the lower pin holder 40 passes is formed on the printed circuit board 60, and the plastic part and the button cap 10, the scissor foot 20, the elastic silicone body 30, and the printed circuit are mounted. The film 60 is assembled such that the upper pins of the scissor feet 20 are inserted and fixed on the upper pin holders on the bottom plate of the button cap 10. The lower pins of the scissor pins 20 are inserted and fixed on the lower pin holders 40 on the same plastic member. The top of the elastic silicone body 30 is disposed on the bottom surface of the button cap 10, and the bottom of the elastic silicone body 30 is located on the button switch of the printed circuit film 60.
使用时，手指下按键盘帽10，按键帽10下压弹性硅胶体30，弹性硅胶体30下压印刷电路板薄膜60的按键开关，接通按键电路工作，这里的剪刀脚20起到支撑固定按键帽10的作用，松开手指后，在弹性硅胶体30的弹力作用下，按键帽10复位。When in use, the keyboard cap 10 is pressed under the finger, the button cap 10 presses the elastic silicone body 30, and the elastic silicone body 30 presses the button switch of the printed circuit board film 60 to turn on the button circuit, where the scissors foot 20 supports the fixed After the button cap 10 is released, the button cap 10 is reset by the elastic force of the elastic silicone body 30 after the finger is released.
如图2-3所示的实施例一，采用了三个下插脚固定座40，呈三角形分布；As shown in the first embodiment of FIG. 2-3, three lower pin holders 40 are used, which are arranged in a triangle shape;
而如图4-5所示的实施例二和图6-7所示的实施例三，采用了四个下插脚固定座40，呈梯形分布，只是四个下插脚固定座40的设置方位有不同。As shown in the second embodiment shown in FIG. 4-5 and the third embodiment shown in FIG. 6-7, four lower pin holders 40 are used, which are trapezoidal, but only four lower pin holders 40 are disposed. different.
工业实用性Industrial applicability
本发明将传统采用铝板制作的键盘底板50改进为塑胶材料的键盘底板50，将原来在铝板上直接冲压成若干个固定卡勾形成下插脚固定座40的结构替换为下插脚固定座40和键盘底板50一体注塑成型为同一塑胶件，结构牢固并降低了原材料的成本；而本发明的生产方法采用下插脚固定座和键盘底板一体注塑成型简化了生产工艺，降低了生产成本。由上可知，本发明具有结构简单紧凑、成本低廉、精确度高、生产效率高。 The invention improves the keyboard bottom plate 50 which is traditionally made of aluminum plate into a keyboard bottom plate 50 of plastic material, and replaces the structure of the lower pin holder 40 directly formed by directly pressing the aluminum plate into a plurality of fixed hooks to form the lower pin holder 40 and the keyboard. The bottom plate 50 is integrally injection molded into the same plastic piece, and the structure is firm and reduces the cost of the raw material; and the production method of the invention adopts the injection molding of the lower pin fixing base and the keyboard bottom plate to simplify the production process and reduce the production cost. As can be seen from the above, the present invention has a simple and compact structure, low cost, high precision, and high production efficiency.

Claims (5)

  1. 一种采用塑胶注塑底板的键盘，包括有：若干片间隔分布的按键帽、与按键帽一一对应的若干个剪刀脚和若干个弹性硅胶体、与若干个剪刀脚的下插脚一一对应的若干个下插脚固定座、键盘底板以及覆盖在键盘底板表面的印刷电路薄膜，所述按键帽底面设有上插脚固定座，装配后，剪刀脚的上插脚插接固定在上插脚固定座上，剪刀脚的下插脚插接固定在下插脚固定座上，弹性硅胶体的顶部顶设在按键帽底面上，弹性硅胶体的底部位于印刷电路薄膜的按键开关上，其特征在于：所述各个下插脚固定座和所述键盘底板是由塑胶材料一体注塑成型的同一个塑胶件。 A keyboard using a plastic injection bottom plate includes: a plurality of spaced apart button caps, a plurality of scissor feet corresponding to the button caps, and a plurality of elastic silicone bodies, one-to-one corresponding to the lower pins of the plurality of scissor feet a plurality of lower pin fixing bases, a keyboard bottom plate and a printed circuit film covering the surface of the keyboard bottom plate, wherein the bottom surface of the button cap is provided with an upper pin fixing seat, and after assembling, the upper pins of the scissor feet are inserted and fixed on the upper pin fixing seat, The lower pin of the scissor foot is fixedly inserted on the lower pin fixing seat, the top of the elastic silicone body is arranged on the bottom surface of the button cap, and the bottom of the elastic silicone body is located on the button switch of the printed circuit film, wherein the lower pins are The fixing base and the keyboard bottom plate are the same plastic piece integrally molded by plastic material.
  2. 根据权利要求1所述的一种采用塑胶注塑底板的键盘，其特征在于：所述键盘为笔记本电脑键盘。A keyboard using a plastic injection molding substrate according to claim 1, wherein the keyboard is a notebook computer keyboard.
  3. 根据权利要求1所述的一种采用塑胶注塑底板的键盘，其特征在于：所述键盘为台式机电脑键盘。A keyboard using a plastic injection molded bottom plate according to claim 1, wherein the keyboard is a desktop computer keyboard.
  4. 根据权利要求1所述的一种采用塑胶注塑底板的键盘，其特征在于：所述下插脚固定座和所述键盘底板是由ABS或PC或PC和ABS或POM或尼龙或PMMA和ABS或PMMA 或PBT塑胶材料注塑成型。A keyboard using a plastic injection molded bottom plate according to claim 1, wherein said lower pin holder and said keyboard bottom plate are made of ABS or PC or PC and ABS or POM or nylon or PMMA and ABS or PMMA. Or PBT plastic material injection molding.
  5. 一种采用塑胶注塑底板的键盘的生产方法，其特征在于：包括有以下步骤：将下插脚固定座和键盘底板在同一塑料膜具内注塑成型为同一个塑料件，将该塑料件与按键帽、剪刀脚、弹性硅胶体、印刷电路薄膜进行装配，使剪刀脚的上插脚插接固定在按键帽底板上的插脚固定座上，剪刀脚的下插脚插接固定在同一个塑料件上的下插脚固定座上，弹性硅胶体的顶部顶设在按键帽底面上，弹性硅胶体的底部位于印刷电路薄膜的按键开关上。The invention relates to a method for producing a keyboard using a plastic injection bottom plate, which comprises the steps of: molding a lower pin holder and a keyboard bottom plate into the same plastic piece in the same plastic film, and the plastic piece and the button cap The scissor foot, the elastic silicone body, and the printed circuit film are assembled, so that the upper pin of the scissor foot is inserted and fixed on the pin fixing seat on the bottom plate of the button cap, and the lower pin of the scissor foot is inserted and fixed on the same plastic piece. On the pin holder, the top of the elastic silicone body is placed on the bottom surface of the button cap, and the bottom of the elastic silicone body is located on the button switch of the printed circuit film.
PCT/CN2012/071643 2011-03-08 2012-02-25 Keyboard applying plastic injection molded baseboard and production method thereof WO2012119516A1 (en)

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