WO2022094923A1 - 一种具有投影投屏功能的键盘 - Google Patents

一种具有投影投屏功能的键盘 Download PDF

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Publication number
WO2022094923A1
WO2022094923A1 PCT/CN2020/127089 CN2020127089W WO2022094923A1 WO 2022094923 A1 WO2022094923 A1 WO 2022094923A1 CN 2020127089 W CN2020127089 W CN 2020127089W WO 2022094923 A1 WO2022094923 A1 WO 2022094923A1
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Prior art keywords
keyboard
projection screen
appearance
hole
projection
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PCT/CN2020/127089
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English (en)
French (fr)
Inventor
姜昊
林峰
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深圳市黑爵同创电子科技有限公司
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Priority to PCT/CN2020/127089 priority Critical patent/WO2022094923A1/zh
Publication of WO2022094923A1 publication Critical patent/WO2022094923A1/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

Definitions

  • the utility model relates to the technical field of keyboards, in particular to a keyboard with a projection screen function.
  • the keyboard is an instruction and data input device used to operate the equipment, and also refers to a group of function keys arranged by the system to operate a machine or equipment.
  • the keyboard is the most commonly used and the most important input device. Through the keyboard, English letters, numbers, punctuation marks, etc. can be input into the computer, so as to issue commands and input data to the computer.
  • the utility model provides a keyboard with the function of projection screen, which has the advantages of combining the keyboard and the projector, integrated operation, easy to use and easy to carry, so as to solve the problem that the traditional keyboard has a single function and is operated separately from the projector. The problem of not being well combined.
  • a keyboard with projection screen function comprising an appearance upper part, and the appearance upper part is The bottom is provided with an appearance lower part, the interior of the outer appearance lower part is provided with a keyboard function control circuit board, the top of the keyboard function control circuit board is provided with a mechanical switch fixing iron plate and a mechanical switch body, and the top of the mechanical switch body is provided with A keyboard button is arranged movably, a lithium battery is arranged movably inside the lower part of the appearance, a function control circuit board is arranged on the top of the lithium battery, an inner screen is arranged on the top of the function control circuit board, and the upper part of the appearance is arranged A TP external screen is arranged on the top of the fuselage, and a projection screen projector is arranged inside the lower part of the appearance.
  • a through hole for installing the mechanical switch body is opened inside the mechanical switch fixing iron plate.
  • a placement slot is opened inside the lower appearance part, and the lithium battery is arranged inside the placement slot.
  • a card slot is opened on the top of the upper part of the appearance, and the TP outer screen is arranged inside the card slot.
  • a first key hole is opened inside the upper part of the appearance, and a first function key is movably arranged inside the first key hole.
  • a second key hole is opened inside the upper part of the appearance, the second key hole is arranged in a circle, and a second key hole is movably arranged inside the second key hole. function keys.
  • an indicator light is provided on the top of the upper part of the appearance, and a transparent plate is provided on the top of the indicator light.
  • the top part of the appearance is provided with a heat dissipation hole, and the projection screen projector is located below the heat dissipation hole.
  • the bottom of the lower appearance part is provided with a keyboard leg and an anti-skid strip, and the anti-skid strip is located on the front side of the keyboard leg.
  • a projection hole is opened on the back of the upper appearance piece, the projection hole is located on the rear side of the projection screen machine, and an interface is opened on the right side of the upper appearance piece.
  • the utility model provides a keyboard with a projection screen function, which has the following beneficial effects:
  • the keyboard with the function of projection screen by setting the upper part of the appearance, the lower part of the appearance and the projection screen machine, the projection screen machine is set inside the lower part of the appearance, and the projection screen machine can be activated through the projection hole. Projection, the keyboard is combined with the projection screen projector, and the integrated operation is easy to use, easy to carry and store, and convenient for users to use.
  • the keyboard with the function of projection screen by setting the upper part of the appearance, the lower part of the appearance and the projection screen machine, the keyboard keys are highly PBT two-color closed character keys, which will not stick to oil and sweat, and the conventional keys are open characters.
  • the keyboard keys are closed characters, which are superior to other key features in appearance.
  • the mechanical switch fixing iron plate is processed with SGCC galvanized sheet, which will never rust without destroying the surface coating, which further ensures the durability of the device.
  • Fig. 1 is the structural representation of the utility model
  • Fig. 2 is the structural rear view of the utility model
  • Fig. 3 is the structural disassembly drawing of the utility model
  • Figure 4 is a bottom view of the structure of the utility model.
  • the present invention discloses a keyboard with projection screen function, comprising an upper appearance part 1 , a lower appearance part 2 is arranged at the bottom of the upper appearance part 1 , and a lower appearance part 2 is arranged at the bottom of the upper appearance part 1 .
  • a keyboard function control circuit board 3 is provided inside, and the top of the keyboard function control circuit board 3 is provided with a mechanical switch fixing iron plate 4 and a mechanical switch body 5, and the hand feeling consistency of the mechanical switch body 5 is controlled within the range of ⁇ 3gf. It is manufactured by a linear shaft, and the mechanical switch fixing iron plate 4 is processed by SGCC galvanized sheet, which will never rust under the condition that the surface coating is not damaged.
  • the top of the mechanical switch body 5 is movably provided with a keyboard button 6. 6. It adopts highly PBT two-color closed character keys, which will not stick to oil and sweat, and the conventional keys are open characters.
  • the keyboard keys 6 are closed characters, which are better than other keys in appearance.
  • the internal activities of the lower part 2 of the appearance are provided with lithium
  • the battery 7, the top of the lithium battery 7 is provided with a function control circuit board 8, the top of the function control circuit board 8 is provided with an inner screen 9, the top of the appearance upper part 1 is provided with a TP outer screen 11, the
  • the interior of the lower part 2 is provided with a projection screen projector 16, the inside of the mechanical switch fixing iron plate 4 is provided with a through hole for installing the mechanical switch body 5, and the top of the upper part 1 is provided with a card slot 10,
  • the TP outer screen 11 is arranged inside the card slot 10, an indicator light 17 is arranged on the top of the upper appearance piece 1, a transparent plate 18 is arranged on the top of the indicator light 17, and the interior of the upper appearance upper piece 1 is provided with an indicator light 17.
  • first key hole 12 There is a first key hole 12, a first function key 13 is movably arranged inside the first key hole 12, and a second key hole 14 is opened in the interior of the exterior upper part 1, and the second key hole 14 is provided.
  • the hole 14 is arranged in a circular shape, and a second function key 15 is movably arranged inside the second key hole 14 .
  • a placement slot 201 is opened inside the lower appearance part 2 , and the lithium battery 7 is arranged inside the placement slot 201 .
  • the placement slot 201 is used to install the lithium battery 7 , which ensures the stability of the lithium battery 7 .
  • a heat dissipation hole 23 is formed on the top of the upper part 1 , and the projection screen projector 16 is located below the heat dissipation hole 23 .
  • the opening of the heat dissipation holes 23 facilitates heat dissipation and ensures the heat dissipation efficiency of the projection screen projector 16 .
  • the bottom of the lower part 2 is provided with a keyboard support 19 and an anti-slip strip 21 , and the anti-slip strip 21 is located on the front side of the keyboard support 19 .
  • the keyboard feet 19 can place the keyboard obliquely, which is more convenient for the user to use, and the anti-skid strips 21 reduce the sliding of the keyboard and ensure the stability during use.
  • a projection hole 20 is opened on the back of the upper appearance part 1 , the projection hole 20 is located on the rear side of the projection screen projector 16 , and an interface 22 is opened on the right side of the upper appearance part 1 .
  • the opening of the projection hole 20 enables the projection screen projector 16 to project through the projection hole 20 when it is activated.
  • the keyboard with the function of projection screen, by setting the upper part 1 of the appearance, the lower part 2 of the appearance and the projection screen machine 16, the projection screen machine 16 is arranged inside the lower part 2 of the appearance, and the projection projection is started.
  • the screen machine 16 can be projected through the projection hole 20, and the keyboard is combined with the projection screen machine 16 to operate in one piece, which is convenient for use, easy to carry and store, and convenient for users to use.

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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)
  • Input From Keyboards Or The Like (AREA)

Abstract

本发明公开了一种具有投影投屏功能的键盘，涉及键盘技术领域。包括外观上件，所述外观上件的底部设置有外观下件，所述外观下件的内部设置有键盘功能控制线路板，所述键盘功能控制线路板的顶部设置有机械开关固定铁板以及机械开关本体，所述机械开关本体的顶部活动设置有键盘按键，所述外观下件的内部活动设置有锂电池，所述锂电池的顶部设置有功能控制线路板，所述功能控制线路板的顶部设置有内屏。通过设置外观上件、外观下件以及投影投屏机，将投影投屏机设置于外观下件的内部，启动投影投屏机即可通过投影孔进行投射，该键盘与投影投屏机相结合，一体式操作，便于使用，方便携带和收纳，方便了使用者的使用。

Description

一种具有投影投屏功能的键盘 技术领域
本实用新型涉及键盘技术领域，具体为一种具有投影投屏功能的键盘。
背景技术
键盘是用于操作设备运行的一种指令和数据输入装置，也指经过系统安排操作一台机器或设备的一组功能键。键盘是最常用也是最主要的输入设备，通过键盘可以将英文字母、数字、标点符号等输入到计算机中，从而向计算机发出命令、输入数据等。
日常办公会议、游戏、家庭影院等场景经常需要用于键盘以及投影机，office文件、影音文件的投影投屏以及编辑，都是利用投影机和键盘配合实现，但是传统的键盘功能单一，与投影机分体式操作，不能很好的结合，使用效果不理想。
实用新型内容
本实用新型提供了一种具有投影投屏功能的键盘，具备键盘与投影机相结合，一体式操作，便于使用，方便携带的优点，以解决传统的键盘功能单一，与投影机分体式操作，不能很好的结合的问题。
为实现键盘与投影机相结合，一体式操作，便于使用，方便携带的目的，本实用新型提供如下技术方案：一种具有投影投屏功能的键盘，包括外观上件，所述外观上件的底部设置有外观下件，所述外观下件的内部设置有键盘功能控制线路板，所述键盘功能控制线路板的顶部设置有机械开关固定铁板以及机械开关本体，所述机械开关本体的顶部活动设置有键盘按键，所述外观下件的内部活动设置有锂电池，所述锂电池的顶部设置有功能控制线路板，所述功能控制线路板的顶部设置有内屏，所述外观上件的顶部设置有TP外屏， 所述外观下件的内部设置有投影投屏机。
作为本实用新型的一种优选技术方案，所述机械开关固定铁板的内部开设有用于安装机械开关本体的通孔。
作为本实用新型的一种优选技术方案，所述外观下件的内部开设有放置槽，所述锂电池设置于放置槽的内部。
作为本实用新型的一种优选技术方案，所述外观上件的顶部开设有卡槽，所述TP外屏设置于卡槽的内部。
作为本实用新型的一种优选技术方案，所述外观上件的内部开设有第一键位孔，所述第一键位孔的内部活动设置有第一功能键。
作为本实用新型的一种优选技术方案，所述外观上件的内部开设有第二键位孔，所述第二键位孔呈圆形设置，所述第二键位孔的内部活动设置有第二功能键。
作为本实用新型的一种优选技术方案，所述外观上件的顶部设置有指示灯，所述指示灯的顶部设置有透明板。
作为本实用新型的一种优选技术方案，所述外观上件的顶部开设有散热孔，所述投影投屏机位于散热孔的下方。
作为本实用新型的一种优选技术方案，所述外观下件的底部设置有键盘支脚以及防滑条，所述防滑条位于键盘支脚的前侧。
作为本实用新型的一种优选技术方案，所述外观上件的背面开设有投影孔，所述投影孔位于投影投屏机的后侧，所述外观上件的右侧面开设有接口。
与现有技术相比，本实用新型提供了一种具有投影投屏功能的键盘，具备以下有益效果：
1、该具有投影投屏功能的键盘，通过设置外观上件、外观下件以及投影投屏机，将投影投屏机设置于外观下件的内部，启动投影投屏机即可通过投影孔进行投射，该键盘与投影投屏机相结合，一体式操作，便于使用，方便 携带和收纳，方便了使用者的使用。
2、该具有投影投屏功能的键盘，通过设置外观上件、外观下件以及投影投屏机，键盘按键采用高度PBT双色闭合字符按键，不会粘油渍汗渍，且常规按键为开口字符，该键盘按键为闭合字符在外观上优于其他按键特色，机械开关固定铁板采用SGCC镀锌板加工，在未破坏表面涂层的状况下永不生锈，进一步保证了该装置的耐用性。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型的结构后视图；
图3为本实用新型的结构拆解图；
图4为本实用新型的结构仰视图。
图中：1、外观上件；2、外观下件；201、放置槽；3、键盘功能控制线路板；4、机械开关固定铁板；5、机械开关本体；6、键盘按键；7、锂电池；8、功能控制线路板；9、内屏；10、卡槽；11、TP外屏；12、第一键位孔；13、第一功能键；14、第二键位孔；15、第二功能键；16、投影投屏机；17、指示灯；18、透明板；19、键盘支脚；20、投影孔；21、防滑条；22、接口；23、散热孔。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1-4，本实用新型公开了一种具有投影投屏功能的键盘，包括外观上件1，所述外观上件1的底部设置有外观下件2，所述外观下件2的内部设置有键盘功能控制线路板3，所述键盘功能控制线路板3的顶部设置有机械开关固定铁板4以及机械开关本体5，机械开关本体5的手感一致性控制在±3gf范围内，全部采用线性轴来制造，机械开关固定铁板4采用SGCC镀锌板加工，在未破坏表面涂层的状况下永不生锈，所述机械开关本体5的顶部活动设置有键盘按键6，键盘按键6采用高度PBT双色闭合字符按键，不会粘油渍汗渍，且常规按键为开口字符，该键盘按键6为闭合字符在外观上优于其他按键特色，所述外观下件2的内部活动设置有锂电池7，所述锂电池7的顶部设置有功能控制线路板8，所述功能控制线路板8的顶部设置有内屏9，所述外观上件1的顶部设置有TP外屏11，所述外观下件2的内部设置有投影投屏机16，所述机械开关固定铁板4的内部开设有用于安装机械开关本体5的通孔，所述外观上件1的顶部开设有卡槽10，所述TP外屏11设置于卡槽10的内部，所述外观上件1的顶部设置有指示灯17，所述指示灯17的顶部设置有透明板18，所述外观上件1的内部开设有第一键位孔12，所述第一键位孔12的内部活动设置有第一功能键13，所述外观上件1的内部开设有第二键位孔14，所述第二键位孔14呈圆形设置，所述第二键位孔14的内部活动设置有第二功能键15。
具体的，所述外观下件2的内部开设有放置槽201，所述锂电池7设置于放置槽201的内部。
本实施方案中，放置槽201用于安装锂电池7，保证了锂电池7的稳定性。
具体的，所述外观上件1的顶部开设有散热孔23，所述投影投屏机16位于散热孔23的下方。
本实施方案中，散热孔23的开设，便于热量散发，保证了投影投屏机16的散热效率。
具体的，所述外观下件2的底部设置有键盘支脚19以及防滑条21，所述防滑条21位于键盘支脚19的前侧。
本实施方案中，键盘支脚19可将该键盘倾斜放置，更加便于使用者使用，防滑条21减少了该键盘的滑动，保证了使用时的稳定性。
具体的，所述外观上件1的背面开设有投影孔20，所述投影孔20位于投影投屏机16的后侧，所述外观上件1的右侧面开设有接口22。
本实施方案中，投影孔20的开设，使得投影投屏机16启动时通过投影孔20进行投射。
综上所述，该具有投影投屏功能的键盘，通过设置外观上件1、外观下件2以及投影投屏机16，将投影投屏机16设置于外观下件2的内部，启动投影投屏机16即可通过投影孔20进行投射，该键盘与投影投屏机16相结合，一体式操作，便于使用，方便携带和收纳，方便了使用者的使用。
需要说明的是，在本文中，诸如术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (10)

  1. 一种具有投影投屏功能的键盘，包括外观上件(1)，其特征在于：所述外观上件(1)的底部设置有外观下件(2)，所述外观下件(2)的内部设置有键盘功能控制线路板(3)，所述键盘功能控制线路板(3)的顶部设置有机械开关固定铁板(4)以及机械开关本体(5)，所述机械开关本体(5)的顶部活动设置有键盘按键(6)，所述外观下件(2)的内部活动设置有锂电池(7)，所述锂电池(7)的顶部设置有功能控制线路板(8)，所述功能控制线路板(8)的顶部设置有内屏(9)，所述外观上件(1)的顶部设置有TP外屏(11)，所述外观下件(2)的内部设置有投影投屏机(16)。
  2. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述机械开关固定铁板(4)的内部开设有用于安装机械开关本体(5)的通孔。
  3. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观下件(2)的内部开设有放置槽(201)，所述锂电池(7)设置于放置槽(201)的内部。
  4. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的顶部开设有卡槽(10)，所述TP外屏(11)设置于卡槽(10)的内部。
  5. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的内部开设有第一键位孔(12)，所述第一键位孔(12)的内部活动设置有第一功能键(13)。
  6. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的内部开设有第二键位孔(14)，所述第二键位孔(14)呈圆形设置，所述第二键位孔(14)的内部活动设置有第二功能键(15)。
  7. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的顶部设置有指示灯(17)，所述指示灯(17)的顶部设 置有透明板(18)。
  8. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的顶部开设有散热孔(23)，所述投影投屏机(16)位于散热孔(23)的下方。
  9. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观下件(2)的底部设置有键盘支脚(19)以及防滑条(21)，所述防滑条(21)位于键盘支脚(19)的前侧。
  10. 根据权利要求1所述的一种具有投影投屏功能的键盘，其特征在于：所述外观上件(1)的背面开设有投影孔(20)，所述投影孔(20)位于投影投屏机(16)的后侧，所述外观上件(1)的右侧面开设有接口(22)。
PCT/CN2020/127089 2020-11-06 2020-11-06 一种具有投影投屏功能的键盘 WO2022094923A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556502A (zh) * 2008-04-11 2009-10-14 鸿富锦精密工业（深圳）有限公司 计算机及其输入输出设备
CN101650602A (zh) * 2008-08-11 2010-02-17 鸿富锦精密工业（深圳）有限公司 键盘
US20130082935A1 (en) * 2011-09-30 2013-04-04 Microsoft Corporation Dynamic command presentation and key configuration for keyboards
CN204497113U (zh) * 2015-03-24 2015-07-22 何欠苟 防水发光机械键盘
JP2018170133A (ja) * 2017-03-29 2018-11-01 富士通コンポーネント株式会社 キースイッチ装置及びキーボード
CN110427113A (zh) * 2019-07-10 2019-11-08 深圳市恒怡多精彩科技有限公司 带投影功能的键盘

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556502A (zh) * 2008-04-11 2009-10-14 鸿富锦精密工业（深圳）有限公司 计算机及其输入输出设备
CN101650602A (zh) * 2008-08-11 2010-02-17 鸿富锦精密工业（深圳）有限公司 键盘
US20130082935A1 (en) * 2011-09-30 2013-04-04 Microsoft Corporation Dynamic command presentation and key configuration for keyboards
CN204497113U (zh) * 2015-03-24 2015-07-22 何欠苟 防水发光机械键盘
JP2018170133A (ja) * 2017-03-29 2018-11-01 富士通コンポーネント株式会社 キースイッチ装置及びキーボード
CN110427113A (zh) * 2019-07-10 2019-11-08 深圳市恒怡多精彩科技有限公司 带投影功能的键盘

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