WO2019015698A2 - 一种无底板的笔记本键盘 - Google Patents

一种无底板的笔记本键盘 Download PDF

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Publication number
WO2019015698A2
WO2019015698A2 PCT/CN2018/106610 CN2018106610W WO2019015698A2 WO 2019015698 A2 WO2019015698 A2 WO 2019015698A2 CN 2018106610 W CN2018106610 W CN 2018106610W WO 2019015698 A2 WO2019015698 A2 WO 2019015698A2
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Prior art keywords
soft rubber
notebook
soft
keyboard
button
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PCT/CN2018/106610
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English (en)
French (fr)
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WO2019015698A3 (zh
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江海波
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江海波
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Publication of WO2019015698A2 publication Critical patent/WO2019015698A2/zh
Publication of WO2019015698A3 publication Critical patent/WO2019015698A3/zh

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    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard

Definitions

  • the present invention relates to the field of computer keyboard technology, and in particular, to a notebook keyboard and a key cap without a backplane.
  • the existing keyboard components are many, usually by the key cap, elastic silicone switch, scissors feet, printed circuit film, keyboard.
  • the bottom plate is composed.
  • the multi-part structure makes the production cost of the keyboard high, and each of the key caps and the corresponding elastic silicone switch and the scissor foot need to be installed one by one, which is very troublesome to assemble, and the structure of the single key cap is installed one by one.
  • the keyboard is made thinner, so the thin and light keyboard without the scissor foot also appears correspondingly.
  • the conventional conventional scissor-foot structure keyboard is difficult to reduce the components, reduce the cost, and improve the compression recovery deformation performance. In view of this, the design of a small component, low cost, simple assembly, waterproof, dustproof, pressing and recovery of ultra-thin, ultra-light keyboard with good deformation performance has become a technical problem to be solved.
  • the object of the present invention is to provide a low-cost, ultra-thin, ultra-thin, ultra-thin notebook keyboard with low cost and simple assembly, which can be waterproof, dustproof, and has good compression and deformation performance.
  • the technical solution of the present invention is a notebook keyboard without a bottom plate, the keyboard is only an integral button composed of a soft rubber and a hard sheet, and a printed circuit film under the integrated button cap, and the film is directly bonded. Composed on the bottom cover of the notebook.
  • the integrated button cap composed of the soft rubber and the hard sheet is composed of a plurality of adjacent soft rubber button faces, a hard sheet bonded to the soft rubber button surface, a soft rubber base, a connection soft base and a soft rubber. a soft rubber support body between the key faces, and a soft rubber convex elastic switch body which penetrates the hard plate through hole and penetrates into the hard plate through hole and is integrally connected with the bottom surface of the soft rubber button face, and the integral button cap It is an integral key that is molded by a single injection of soft rubber and hard sheet in the same mold.
  • the upper cover of the notebook with the square bracket passes through a plurality of square holes of the cover of the notebook with the square bracket, and passes through a plurality of soft rubber button faces corresponding to the integral button cap, and then presses against the soft rubber
  • the printed circuit film under the base and the soft plastic base is sandwiched with the bottom cover of the notebook to fix the key surface and the printed circuit film.
  • the soft rubber button surface of the key cap moves vertically downwards as the soft rubber support body is bent downward, and the soft rubber convex elastic switch body which is integrally connected with the bottom surface of the soft rubber button surface is also simultaneously Move vertically downward until the click contacts the circuit switch point corresponding to the circuit film, so that the circuit is closed and energized to output a signal.
  • the soft rubber elastic switch body and the soft rubber support body simultaneously recover the deformation, and the soft rubber convex elastic switch body and the circuit switch point corresponding to the circuit film separate the circuit and disconnect the circuit.
  • the integrated button cap returns to its original state.
  • the notebook upper cover with the square bracket is injection molded from a rigid plastic, or an integral bracket with a plurality of square holes stamped and formed by a metal plate.
  • the soft rubber convex elastic switch body is a hemisphere integrally molded by soft rubber, and the spherical surface thereof corresponds to the switching point of the printed circuit film.
  • the hard sheet is a hard plastic sheet, or a metal sheet or a glass sheet.
  • the soft rubber is made of silicone rubber, or TPR rubber, or PVC rubber.
  • the notebook bottom cover is formed by injection molding of a hard plastic ABS or ABS+PC or PC, or by metal casting.
  • One or more communicating concave grooves are formed in the lower surface of the integrated button cap base, and the exhausting function is performed when the key cap is pressed.
  • the bottom cover of the notebook is provided with a plurality of concave cylindrical pits corresponding to the switching points of the printed circuit film.
  • the printed circuit film and the notebook bottom cover may be bonded to a light-emitting board under the printed circuit film or above the bottom cover of the notebook to form a light-emitting keycap.
  • the present invention has the following advantages:
  • the soft rubber button cap has anti-slip, soft and slight elastic function on the surface, which increases the comfort of the finger.
  • the soft rubber support has the function of supporting the hard piece to prevent swaying and elasticity, and has the functions of waterproofing, dustproof and lightproofing.
  • the soft rubber convex elastic switch body has the function of pressing and restoring deformation, and can make the printed circuit membrane switch close and function as a switch.
  • the invention Since the keyboard chassis, the elastic silicone body and the scissor foot are not required, the invention has few components, low cost and simple assembly, and meets the market demand for ultra-light and ultra-thin keyboards.
  • FIG. 1 is a schematic cross-sectional view of a keyboard according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the structure of a notebook bottom cover and a convex cylinder according to the present invention.
  • a soft rubber 10 and a hard sheet 20 of the present invention an integrally injection molded bottomless keyboard
  • the keyboard only has an integral button cap 100 composed of a soft rubber 10 and a hard sheet 20.
  • a notebook upper cover 30 having a square bracket is formed of a printed circuit film 40 under the integrated button cap 100.
  • the integrated button cap 100 composed of the soft rubber 10 and the rigid sheet 20 is composed of a plurality of adjacent soft rubber button faces 11 , a rigid sheet 20 bonded to the soft rubber button face 11 , and a soft rubber base 12 .
  • the soft rubber supporting elastic body 13 between the soft rubber base 12 and the soft rubber key surface 11 and the hard plastic material 20 through hole 21 penetrated by the soft rubber key surface 11 and integrated with the bottom surface of the soft rubber key surface 11 The soft rubber convex elastic body 14 is composed, and the integral key cap 100 is injection molded by the soft rubber 10 and the hard sheet 20 through a mold.
  • the notebook upper cover 30 with the square bracket is injection molded from a rigid plastic or stamped by a metal plate, and has an integral bracket upper cover with a plurality of square holes.
  • the soft rubber male elastic switch body 14 is a hemispherical body formed by integral injection molding, and the spherical surface thereof corresponds to the switching point of the printed circuit film 40.
  • the hard sheet 20 is a hard plastic sheet, or a metal sheet or a glass sheet.
  • the soft rubber 10 is made of silicone rubber, or TPR rubber, or PVC rubber.
  • the notebook bottom cover 50 is injection molded by a hard plastic ABS or ABS+PC or PC or the like, or is formed by metal casting.
  • One or more communicating concave grooves are formed in the lower surface of the integrated button cap base 12, and the exhausting function is performed when the keycap is pressed.
  • the notebook bottom cover 50 is provided with a plurality of concave cylindrical pits 51 corresponding to the switching points of the printed circuit film 40.
  • the printed circuit film 40 and the notebook bottom cover 50 may be bonded to each other under the printed circuit film 40 or above the notebook bottom cover 50 to form a light-emitting keycap 100.
  • the notebook upper cover 30 with the square bracket passes through a plurality of square through holes of the notebook upper cover 30 of the square bracket and passes through a plurality of soft rubber button faces 11 corresponding to the integral button cap 100, and then presses against
  • the button cap 100 and the printed circuit film 40 are fixed to the printed circuit film 40 under the soft rubber base 12 and the soft rubber base 12 and sandwiched by the notebook lower cover 50.
  • the soft rubber button surface 11 moves vertically downward with the soft plastic support body 13 downwardly, and is connected with the soft rubber surface of the soft rubber button surface 11 as a whole.
  • the male elastic switch body 14 also moves vertically downward until the click contacts the circuit switch point corresponding to the circuit film 40, so that the circuit is closed and energized to output a signal.
  • the soft rubber elastic switch body 14 and the soft rubber support body 13 simultaneously recover deformation, and the soft rubber convex elastic switch body 14 is separated from the circuit switch point of the circuit film 40. The circuit is disconnected and the integral button cap 100 is restored to its original state.
  • the present invention consists only of the integrated button cap 100, the notebook top cover 30 with the check stand, the printed circuit film 40 under the integrated button cap 100, and the notebook lower cover 50 supported under the printed circuit film 40, Scissors and other components are required, the components are low in cost, and the assembly is simple and convenient:
  • the soft rubber button surface 11 has a non-slip, soft and slight elastic function on the surface, which increases the comfort of the fingers:
  • the soft plastic support body 13 has a supporting hard sheet to prevent The function of shaking and exerting elasticity, and the function of waterproofing, dustproof, and anti-lighting:
  • the soft rubber convex elastic body 14 has the function of pressing and restoring the circuit switch corresponding to the printed circuit film 40.
  • the soft rubber convex elastic switch body 14 of the hemisphere of the present invention can also be formed into a cylindrical shape, and also has a circuit switch point corresponding to the compression recovery deformation and the printed circuit film 40. Functionality, which is within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

本发明涉及计算机键盘技术领域，尤其是涉及一种无底板的笔记本键盘。其特征在于：该笔记本键盘仅由软胶和硬质片组成的一体式按键帽、有方格支架的笔记本上盖，位于一体式按键帽下方的印刷电路薄膜以及薄膜下方的笔记本底盖组成。所述的软胶和硬质片组成的一体式按键帽是由若干个相邻的软胶按键面、与软胶按键面相粘合的硬质片、软胶底座、连接软胶底座与软胶按键面之间的软胶支撑体、以及软胶按键面向下穿透硬质片通孔且与软胶按键面底面相连为一体的软胶凸形弹性开关体组成，并且所述一体式按键帽是由软胶和硬质片在同一模具内一次性注塑成型的一个整体键。该键盘部件少、成本低、组装简单、超薄、超轻符合当今市场的需求。

Description

一种无底板的笔记本键盘 技术领域
本发明涉及计算机键盘技术领域，尤其是涉及一种无底板的笔记本键盘、键帽。
 背景技术
随着信息产业的发展，计算机日益广泛使用，不管是笔记本还是台式电脑都离不开输入按键，现有的键盘部件较多，通常由键帽、弹性硅胶开关、剪刀脚、印刷电路薄膜、键盘底板组成。这种多部件的结构使得键盘的生产成本较高，并且各个键帽配合对应的弹性硅胶开关、剪刀脚均需要一个一个安装，装配起来非常麻烦，而且这种单个键帽逐个安装的结构难以将键盘制作得比较轻薄，因此没有剪刀脚的轻薄键盘也相应出现，但现有传统的剪刀脚结构键盘难以做到既能减少部件、降低成本，又能提高按压恢复形变性能。有鉴于此，设计一种部件少，成本低，组装简单，可以防水、防尘，按压恢复形变性能好的超薄、超轻键盘，成为有待解决的技术问题。
 技术问题
本发明的目的就是针对现有技术的不足之处而提出的一种低成本、组装简单，可以防水、防尘，按压恢复形变性能好的超薄、超轻的一种无底板笔记本键盘。
 技术解决方案
为了达到上述目的，本发明的技术方案是一种无底板的笔记本键盘，该键盘仅由软胶和硬质片组成的一体式按键、位于一体式按键帽下方的印刷电路薄膜，薄膜直接粘合在笔记本底盖上组成。
所述的软胶和硬质片组成的一体式按键帽是由若干个相邻的软胶按键面、与软胶按键面相粘合的硬质片、软胶底座、连接软胶底座与软胶按键面之间的软胶支撑体、以及软胶按键面向下穿透硬质片通孔且与软胶按键面底面相连为一体的软胶凸形弹性开关体组成，并且所述一体式按键帽是由软胶和硬质片在同一模具内一次性注塑成型的一个整体键。
装配后，有方格支架的笔记本上盖，通过该有方格支架的笔记本上盖的若干个方形孔穿套过一体式按键帽相对应的若干个软胶按键面后，抵压在软胶底座和软胶底座下面的印刷电路薄膜上，并同笔记本底盖相互夹合而固定按键面和印刷电路薄膜。
当手指按压键帽的软胶按键面时，软胶按键面随着软胶支撑体向下弯曲而向下垂直移动，与软胶按键面底面相连为一体的软胶凸形弹性开关体也同时垂直向下移动直至点击接触与电路薄膜相对应的电路开关点上，使电路闭合通电，输出信号。
当手指离开键帽的软胶按键面时，软胶凸形弹性开关体和软胶支撑体同时恢复形变，软胶凸形弹性开关体与电路薄膜相对应的电路开关点分离丽断开电路，一体式按键帽恢复初始状态。
所述的有方格支架的笔记本上盖是由硬性塑胶注塑成型，或者是由金属板冲压成型的带有若干个方形孔的整体形支架。
所述的软胶凸形弹性开关体是通过软胶一体注塑成型的半球体，其球面正对应印刷电路薄膜的开关点。
所述的硬质片为硬质塑胶片、或金属片、或玻璃片。
所述的软胶采用硅胶橡胶、或TPR橡胶、或PVC橡胶。
所述的笔记本底盖是由硬质塑胶ABS或ABS+PC或PC等通过模具注塑成型，或者是由金属铸压成型。
所述一体式按键帽底座的下面开设有一个或多个相通的凹形槽体，按压键帽时起到排气作用。
所述的笔记本底盖上开设有若干个与印刷电路薄膜的开关点一一相对应的凹形圆柱体坑。
所述的印刷电路薄膜和笔记本底盖可以在印刷电路薄膜下方，或笔记本底盖上方，相互粘合一块发光板，制成发光键帽。
 有益效果
采用上述结果和方法后，本发明具有以下优点:
1. 软胶按键帽其表面具有防滑、柔和及轻微的弹性功能，增加了手指头的舒适感。
2. 软胶支撑体具有支撑硬质片，防止晃动和发挥弹性的功能，以及具有防水、防尘、防光外散的功能。
3. 软胶凸形弹性开关体具有按压恢复形变性能，并且能使印刷电路薄膜开关闭合，起到开关作用。
4. 硬质片是整个按键受力均衡平稳。
5. 由于不需要键盘底盘、弹性硅胶体和剪刀脚等结构，本发明部件少、成本低、装配简单，满足市场对超轻超薄键盘的需求。
 附图说明
图1 是本发明实施例的键盘剖面结构示意图；
图2是本发明笔记本底盖和凸形圆柱体的结构示意图。
 本发明的实施方式
如图1-2所示，本发明的一种软胶10和硬质片20、一体注塑成型的无底板键盘，该键盘仅有软胶10和硬质片20组成的一体式按键帽100、有方格支架的笔记本上盖30、位于一体式按键帽100下方的印刷电路薄膜40组成。
所述的软胶10和硬质片20组成的一体式按键帽100是由若干个相邻的软胶按键面11、与软胶按键面11相粘合的硬质片20、软胶底座12、连接软胶底座12与软胶按键面11之间的软胶支撑弹性体13以及软胶按键面11向下穿透的硬质片20通孔21且与软胶按键面11底面相通为一体的软胶凸形弹性开关体14组成，并且所述一体式按键帽100 由软胶10和硬质片20通过模具一次注塑成型。
所述的有方格支架的笔记本上盖30是由硬性塑胶注塑成型，或由金属板冲压成型，带有若干个方孔的整体形支架上盖。
所述的软胶凸形弹性开关体14是通过一体式注塑成型的半球体，其球面正对应印刷电路薄膜40的开关点。
所述的硬质片20为硬质塑胶片、或金属片、或玻璃片。
所述的软胶10采用硅胶橡胶、或TPR橡胶、或PVC橡胶。
所述的笔记本底盖50是由硬质塑胶ABS或ABS+PC或PC等通过模具注塑成型，或者是由金属铸压成型。
所述一体式按键帽底座12的下面开设有一个或多个相通的凹形槽体，按压键帽时起到排气作用。
所述的笔记本底盖50上开设有若干个与印刷电路薄膜40 的开关点一一相对应的凹形圆柱体坑51。
所述的印刷电路薄膜40和笔记本底盖50可以在印刷电路薄膜40下方，或笔记本底盖50上方，相互粘合一块发光板，制成发光键帽100。
装配后，有方格支架的笔记本上盖30通过该有方格支架的笔记本上盖30的若干个方形通孔穿套过一体式按键帽100相对应的若干个软胶按键面11后抵压在软胶底座12和软胶底座12下面的印刷电路薄膜40上，并同笔记本下盖50相互夹合而固定按键帽100和印刷电路薄膜40。
使用时，当手指按压键帽的软胶按键面11时，软胶按键面11随着软胶支撑体13向下弯曲丽向下垂直移动，与软胶按键面11底面相连为一体的软胶凸形弹性开关体14也同时垂直向下移动直至点击接触与电路薄膜40相对应的电路开关点上，使电路闭合通电，输出信号。当手指离开键帽的软胶按键面11时，软胶凸形弹性开关体14和软胶支撑体13同时恢复形变，软胶凸形弹性开关体14与电路薄膜40相对应的电路开关点分离丽断开电路，一体式按键帽100恢复初始状态。
这样，本发明仅仅由一体式按键帽100、有方格支架的笔记本上盖30、位于一体式按键帽100下方的印刷电路薄膜40以及支撑在印刷电路薄膜40下的笔记本下盖50组成，不需要剪刀脚等部件，部件少成本低，装配简单方便:其软胶按键面11其表面具有防滑、柔和及轻微弹性功能，增加了手指的舒适感:软胶支撑体13具有支撑硬质片防止晃动和发挥弹性的功能，以及具有防水、防尘、防光外散的功能:软胶凸形弹性开关体14兼具有按压恢复形变性能好和印刷电路薄膜40相对应的电路开关的功能。
以上是本发明公开的实施例，本发明中的半球体的软胶凸形弹性开关体14也可以成型为圆柱等形体，也同时具备按压恢复形变和印刷电路薄膜40相对应的电路开关点的功能，这都在本发明的保护范围之内。

Claims (9)

  1. 一种无底板的笔记本键盘，其特征在于：该笔记本键盘仅由软胶和硬质片组成的一体式按键帽、有方格支架的笔记本上盖，位于一体式按键帽下方的印刷电路薄膜以及薄膜下方的笔记本底盖组成。所述的软胶和硬质片组成的一体式按键帽是由若干个相邻的软胶按键面、与软胶按键面相粘合的硬质片、软胶底座、连接软胶底座与软胶按键面之间的软胶支撑体、以及软胶按键面向下穿透硬质片通孔且与软胶按键面底面相连为一体的软胶凸形弹性开关体组成，并且所述一体式按键帽是由软胶和硬质片在同一模具内一次性注塑成型的一个整体键。所述硬质片可以粘合在软胶按键面的上方，也可以粘合在软胶按键面的下方，还可以粘合在软胶按键面的中间，来实现不同的功能。装配后，有方格支架的笔记本上盖通过该有方格支架的笔记本上盖的若干个方形孔穿套过一体式按键帽相对应的若干个软胶按键面后，抵压在软胶底座和软胶底座下面的印刷电路薄膜上，并同笔记本底盖相互夹合而固定按键面和印刷电路薄膜。当手指按压键帽的软胶按键面时，软胶按键面随着软胶支撑体向下弯曲而向下垂直移动，与软胶按键面底面相连为一体的软胶凸形弹性开关体也同时垂直向下移动直至点击接触与电路薄膜相对应的电路开关点上，使电路闭合通电，输出信号。当手指离开键帽的软胶按键面时，软胶凸形弹性开关体和软胶支撑体同时恢复形变，软胶凸形弹性开关体与电路薄膜相对应的电路开关点分离而断开电路，一体式按键帽恢复初始状态。
  2. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于：所述的有方格支架的笔记本上盖是由硬性塑胶注塑成型的，或者是由金属板冲压成型的带有若干个方形孔的整体形支架。
  3. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述的软胶凸形弹性开关体是通过软胶一体注塑成型的半球体，其球面正对应印刷电路薄膜的开关点。
  4. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述的硬质片为硬质塑胶片、或金属片、或玻璃片。
  5. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述的软胶采用硅胶橡胶、或TPR橡胶、或PVC橡胶。
  6. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述的笔记本底盖是由硬质塑胶ABS或ABS+PC或PC等通过模具注塑成型，或者是由金属铸压成型。
  7. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述一体式按键帽底座的下面开设有一个或多个相通的凹形槽体，按压键帽时起到排气作用。
  8. 根据权利要求1 所述的一种无底板的笔记本键盘，其特征在于:所述的笔记本底盖上开设有若干个与印刷电路薄膜的开关点一一相对应的凹形圆柱体坑。
  9. 根据权利要求1所述的一种无底板的笔记本键盘，其特征在于:所述的印刷电路薄膜和笔记本底盖可以在印刷电路薄膜下方，或笔记本底盖上方，相互粘合一块发光板，制成发光键帽。
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