CN108074768B - Dedusting key equipped with sealing ring - Google Patents

Dedusting key equipped with sealing ring Download PDF

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Publication number
CN108074768B
CN108074768B CN201710425774.2A CN201710425774A CN108074768B CN 108074768 B CN108074768 B CN 108074768B CN 201710425774 A CN201710425774 A CN 201710425774A CN 108074768 B CN108074768 B CN 108074768B
Authority
CN
China
Prior art keywords
main casing
key
sealing ring
dedusting
piezoelectric
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.)
Active
Application number
CN201710425774.2A
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Chinese (zh)
Other versions
CN108074768A (en
Inventor
李翰钊
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.)
Taicang Jianhui Information Technology Co., Ltd
Original Assignee
Dongguan Quality Industrial Design & Service Co Ltd
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 Dongguan Quality Industrial Design & Service Co Ltd filed Critical Dongguan Quality Industrial Design & Service Co Ltd
Priority to CN201710425774.2A priority Critical patent/CN108074768B/en
Publication of CN108074768A publication Critical patent/CN108074768A/en
Application granted granted Critical
Publication of CN108074768B publication Critical patent/CN108074768B/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/04Cases; Covers
    • H01H13/06Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • H01H13/063Casings hermetically closed by a diaphragm through which passes an actuating member

Abstract

The invention discloses a kind of dedusting key equipped with sealing ring, include tubular for the main casing of placing key-press switch, button cap, set on the key column of button cap bottom surface and for by the closed closing disk of main casing, closing disk is equipped with the via hole for allowing key column to pass through, and main casing bottom surface extends downwardly out a corral wall;Multiple air flues are equidistantly equipped with around center in the wall of the main casing, the air flue is communicated with bottom surface, and the main casing top surface is beveled walls, and the high inner edge in outside is low;Piezoelectric material by innovating formula forms a cavity, and deformation forms certain small air-flow back and forth, blow press key pole by air flue, and one blows dust to keep the drying two of press key pole, prevents dust from assembling.

Description

Dedusting key equipped with sealing ring
Technical field
The present invention relates to a kind of dedusting key equipped with sealing ring.
Background technique
It will use this component of key, such as keyboard in many products and equipment, keyboard is the core of keyboard Component, a keyboard best in quality be unable to do without key best in quality.The product category in keyboard market is very more at present, technology Also tend to be complicated, the especially technology of key is also in continuous promoted, wherein the important index of examination keyboard is exactly key Quality above comfort, noise and dust removal performance.Since keyboard currently on the market is during continuing on, dust What can be accumulated over a long period is attached on press key pole, and forms certain damping phenomena, influences usage experience, current many keyboards The mode for solving this problem is completed by adding key film, but unsatisfactory because the study found that the aggregation of dust not The dust aggregation being only used for a long time generates, but also is keyboard bar relative in a closed environment, leads Atmosphere draught-free is caused, humidity increases, and microorganism increases, and exacerbates the aggregation of dust.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, a kind of dedusting key equipped with sealing ring is provided.
To achieve the above object, concrete scheme of the invention is as follows: a kind of dedusting key equipped with sealing ring, includes cylinder Shape for placing key-press switch main casing, button cap, set on the key column of button cap bottom surface and for sealing main casing The closing disk closed, closing disk are equipped with the via hole for allowing key column to pass through, and main casing bottom surface extends downwardly out a corral wall;It is described Multiple air flues are equidistantly equipped with around center in the wall of main casing, the air flue is communicated with bottom surface, and the main casing top surface is inclined-plane Wall, and the high inner edge in outside is low;
It further include the elastic piece for having the disc being installed in enclosure wall, elastic piece bottom surface is covered with patch of piezoelectric material;It is described Elastic piece, main casing bottom surface and enclosure wall form an air cavity together.
Wherein, two stitch via holes are additionally provided on the main casing outer wall.
Wherein, the patch of piezoelectric material is the diameter that round and diameter is less than elastic piece.
Wherein, the button cap and key column are integrally formed.When elastic piece and patch of piezoelectric material are installed, the enclosure wall bottom surface Lower than patch of piezoelectric material bottom surface.Sealing ring is equipped between the closing disk lateral surface and main casing inner wall.
The invention has the benefit that the piezoelectric material by innovation formula forms a cavity, deformation forms certain back and forth Small air-flow, blow press key pole by air flue, one blows dust to keep the drying two of press key pole, prevents the dust poly- Collection.
Detailed description of the invention
Fig. 1 is exploded isometric figure of the present invention;
Fig. 2 is the exploded isometric figure at another visual angle of the invention;
Fig. 3 is cross-sectional view of the invention;
Description of symbols of the Fig. 1 into Fig. 3:
1- main casing;11- air flue;12- stitch via hole;13- enclosure wall;2- button cap;21- key column;3- closing disk;4- elasticity Piece;5- patch of piezoelectric material.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not reality of the invention It applies range and is confined to this.
As shown in Figure 1 to Figure 3, a kind of dedusting key equipped with sealing ring described in the present embodiment, includes the use of tubular In the main casing 1 of placing key-press switch, button cap 2, set on the key column 21 of 2 bottom surface of button cap and for by 1 envelope of main casing The closing disk 3 closed, closing disk 3 are equipped with the via hole for allowing key column 21 to pass through, and 1 bottom surface of main casing extends downwardly out a corral wall 13;Multiple air flues 11 are equidistantly equipped with around center in the wall of the main casing 1, the air flue 11 is communicated with bottom surface, the main casing 1 top surface of body is beveled walls, and the high inner edge in outside is low;It further include the elastic piece 4 for having the disc being installed in enclosure wall 13, elastic piece 4 bottom surfaces are covered with patch of piezoelectric material 5;The elastic piece 4,1 bottom surface of main casing and enclosure wall 13 form an air cavity together.
When specific works, can set its every time by when blow, unified cleaning mode can also be set, unite One blows.Specific principle is that piezoelectric material deformation drives elastic piece 4 to deform, forced draft formed, due to 1 top surface of main casing For beveled walls, air-flow is directly blown on key column 21 from 11 mouthfuls of air flue blowouts, and one blows ash to keep the drying two of press key pole Dirt prevents dust from assembling
Piezoelectric material by innovating formula forms a cavity, and deformation forms certain small air-flow back and forth, passes through air flue 11 blow press key pole, and one blows dust to keep the drying two of press key pole, prevents dust from assembling.
A kind of dedusting key equipped with sealing ring described in the present embodiment is additionally provided with two needles on 1 outer wall of main casing Foot via hole 12.
A kind of dedusting key equipped with sealing ring described in the present embodiment, the patch of piezoelectric material 5 are that round and diameter is small In the diameter of elastic piece 4.A kind of dedusting key equipped with sealing ring described in the present embodiment, the button cap 2 and key column 21 It is integrally formed.When elastic piece 4 and patch of piezoelectric material 5 are installed, 13 bottom surface of enclosure wall is lower than 5 bottom surface of patch of piezoelectric material.The envelope Sealing ring is equipped between 1 inner wall of 3 lateral surface of disk and main casing.
The above is only a preferred embodiment of the invention, therefore all according to structure described in present patent application range It makes, the equivalent change or modification that feature and principle are done, in the protection scope of present patent application.

Claims (4)

1. a kind of dedusting key equipped with sealing ring, it is characterised in that: include the main casing for placing key-press switch of tubular Body (1), button cap (2), the key column (21) for being set to button cap (2) bottom surface and for by main casing (1) closed closing disk (3), closing disk (3) is equipped with the via hole for allowing key column (21) to pass through, and main casing (1) bottom surface extends downwardly out a corral wall (13);It being equidistantly equipped with multiple air flues (11) in the wall of the main casing (1) around center, the air flue (11) communicates with bottom surface, Main casing (1) top surface is beveled walls, and the high inner edge in outside is low;It further include the bullet for having the disc being installed in enclosure wall (13) Property piece (4), elastic piece (4) bottom surface is covered with patch of piezoelectric material (5);The elastic piece (4), main casing (1) bottom surface and enclosure wall (13) air cavity is formed together;Sealing ring is equipped between closing disk (3) lateral surface and main casing (1) inner wall;The main casing Two stitch via holes (12) are additionally provided on body (1) outer wall.
2. a kind of dedusting key equipped with sealing ring according to claim 1, it is characterised in that: the patch of piezoelectric material (5) it is less than the diameter of elastic piece (4) for round and diameter.
3. a kind of dedusting key equipped with sealing ring according to claim 1, it is characterised in that: the button cap (2) with Key column (21) is integrally formed.
4. a kind of dedusting key equipped with sealing ring according to claim 1, it is characterised in that: elastic piece (4) and piezoelectricity When material piece (5) is installed, enclosure wall (13) bottom surface is lower than patch of piezoelectric material (5) bottom surface.
CN201710425774.2A 2017-06-08 2017-06-08 Dedusting key equipped with sealing ring Active CN108074768B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710425774.2A CN108074768B (en) 2017-06-08 2017-06-08 Dedusting key equipped with sealing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710425774.2A CN108074768B (en) 2017-06-08 2017-06-08 Dedusting key equipped with sealing ring

Publications (2)

Publication Number Publication Date
CN108074768A CN108074768A (en) 2018-05-25
CN108074768B true CN108074768B (en) 2019-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710425774.2A Active CN108074768B (en) 2017-06-08 2017-06-08 Dedusting key equipped with sealing ring

Country Status (1)

Country Link
CN (1) CN108074768B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203909720U (en) * 2014-06-17 2014-10-29 东莞市铭冠电子科技有限公司 Dustproof keyboard

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4108548B2 (en) * 2003-06-19 2008-06-25 ミネベア株式会社 Keyboard switch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203909720U (en) * 2014-06-17 2014-10-29 东莞市铭冠电子科技有限公司 Dustproof keyboard

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Publication number Publication date
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Effective date of registration: 20201110

Address after: Room 402, building 1, Jingxiu family, Huangjing Town, Taicang City, Suzhou City, Jiangsu Province

Patentee after: Taicang Jianhui Information Technology Co., Ltd

Address before: 523000 Dongcheng District, Dongguan City, Guangdong Province, Niushan Bright Avenue East City Zhongyun Smart City Industrial Park C Block 302

Patentee before: DONGGUAN ZHIYAN INDUSTRIAL DESIGN SERVICE Co.,Ltd.

TR01 Transfer of patent right