CN105355497B - A kind of keyboard film - Google Patents
A kind of keyboard film Download PDFInfo
- Publication number
- CN105355497B CN105355497B CN201510831878.4A CN201510831878A CN105355497B CN 105355497 B CN105355497 B CN 105355497B CN 201510831878 A CN201510831878 A CN 201510831878A CN 105355497 B CN105355497 B CN 105355497B
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- China
- Prior art keywords
- tongue
- tongue edge
- edge
- film
- along
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Classifications
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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
- H01H13/86—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 characterised by the casing, e.g. sealed casings or casings reducible in size
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/03—Form of contacts printed on casing
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of keyboard film, the key film film body for wrapping up button key button, the key film film body top, which is provided with, to be used to make the through hole that the control-rod of keycap passes through；The edge of the through hole extends to the center of through hole the first tongue edge；By the first tongue edge of setting, its free end can be with the outer wall of the control-rod under keycap against preventing dust from traveling further into key film film body, the problem of effectively solving to enter dust.
Description
Technical field
The present invention relates to a kind of keyboard accessory, and in particular to a kind of keyboard film.
Background technology
Keyboard film is a kind of product of protection key switch substrate between button cap and key switch substrate,
Due to button in use, dust can be very easy to enter to key switch substrate, and the control-rod being attached under keycap
Or in key switch substrate, therefore keyboard film is exactly an essential accessory for being protected from dust entrance,
But the dust-proof effect of current key board film is not still especially desirable, still has some dust granules and enter wherein, long and
The long usage experience sense for having a strong impact on user.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of excellent keyboard film of dust-proof effect.
To achieve the above object, concrete scheme of the invention is as follows：A kind of keyboard film, for wrapping up button key button
Key film film body, the key film film body top, which is provided with, to be used to make the through hole that the control-rod of keycap passes through；The edge of the through hole is to logical
The center in hole, which is extended, the first tongue edge.
Wherein, the key film film body is silica gel material.
Wherein, the through hole is cross.
Wherein, the key film film body is provided with boss, and the through hole is on boss.
Wherein, the edge of the through hole also extends to the center of through hole the second tongue edge and the 3rd tongue edge；Described
One tongue is formed with the first cavity between along with the second tongue, and the 3rd tongue is provided with the second cavity between along with the second tongue.
Wherein, first tongue is along being the setting that is inclined upwardly, and the 3rd tongue edge is to tilt down setting.
Wherein, state the first tongue along and the angle of horizontal plane be that a is between 100 ° to 110 °；Second tongue edge and the folder of horizontal plane
Angle b is between -100 ° to -110 °；The first tongue edge, the second tongue along, the thickness on the 3rd tongue edge be 0.05-0.2mm it
Between；First tongue along with the second tongue along, the second tongue along with the 3rd tongue along the distance between be between 0.1-0.25mm；Described
One tongue edge, the length that the second tongue is along, the 3rd tongue edge be between 0.1-0.25mm.
Wherein, first tongue is that a is 105 ° along the angle with horizontal plane；Second tongue along and horizontal plane angle b for-
105°；The first tongue edge, the second tongue are 0.1mm along, the thickness on the 3rd tongue edge；First tongue along with the second tongue along,
Second tongue along with the 3rd tongue along the distance between be 0.16mm；The first tongue edge, the second tongue be along, the length on the 3rd tongue edge
0.15mm。
Beneficial effects of the present invention are：By the first tongue edge of setting, its free end can be outer with the control-rod under keycap
Wall against, prevent dust from traveling further into key film film body, effectively solve enter dust the problem of.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is Fig. 2 partial enlarged drawing；
Description of reference numerals of the Fig. 1 into Fig. 3：
1- key film film bodies；2- boss；3- through holes；
The first tongues of 41- edge；The second tongues of 42- edge；The tongue edges of 43- the 3rd；
The cavitys of 51- first；The cavitys of 52- second.
Embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope and be confined to this.
Embodiment 1.
As shown in Figure 1 to Figure 3, a kind of keyboard film described in the present embodiment, the key film film for wrapping up button key button
Body 1, the top of key film film body 1, which is provided with, to be used to make the through hole 3 that the control-rod of keycap passes through；The edge of the through hole 3 is to through hole 3
Center extend and have the first tongue along 41；By the first tongue of setting along 41, its free end can be outer with the control-rod under keycap
Wall against, prevent dust from traveling further into key film film body 1, effectively solve enter dust the problem of.
A kind of keyboard film described in the present embodiment, the key film film body 1 is silica gel material；Silica gel material is more soft
With it is durable, be hardly damaged, and using can above reduce pause and transition in rhythm or melody sense, increase experience sense, effectively improve the present invention practicality.
A kind of keyboard film described in the present embodiment, the through hole 3 is cross；It is criss-cross under keycap for coordinating
Control-rod, improves the applicable performance of cross-bar.
A kind of keyboard film described in the present embodiment, the key film film body 1 is provided with boss 2, and the through hole 3 is located at convex
On platform 2；Boss 2 adds the thickness of part on key film film body 1, that is, increases steadiness, improves dust-proof effect.
A kind of keyboard film described in the present embodiment, such as Fig. 3, the edge of the through hole 3 also extends to the center of through hole 3
Go out to have the second tongue along 42 and the 3rd tongue along 43；First tongue along 41 and second tongue the first cavity 51 is formed with along between 42,
3rd tongue along 43 and second tongue along being provided with the second cavity 52 between 42；A kind of keyboard film described in the present embodiment, described
One tongue is the setting that is inclined upwardly along 41, and the 3rd tongue is to tilt down setting along 43；First cavity 51 and the second cavity 52 are provided with
The storage chamber of storage different-diameter size particles；Specifically, when the control-rod of keyboard cap lower end is moved downward, first
Tongue blocks external dust first along 41, but fine dust is thrown away and can entered, at this time the direction of motion due to the second tongue along 42
It is identical along 41 direction of motion with the first tongue, therefore the fine dust of entrance is shoveled to the first cavity 51；But, actually
Smaller dust is had, we turn into more fine dust here, and more fine dust can be slipped into from the second tongue along 42, therefore be also needed to
Continue to root out along 43 from the 3rd tongue, more fine dust is shoveled to the second cavity 52.
Common keyboard button film in use, people often discovery time is long still occurs that dust is attached to control
Phenomenon on bar, usually thinks that through hole 3 and the distance between control-rod are excessive；And the present invention is employed on the problem is solved
First tongue is contacted the first tongue along 41 along 41 with the outer wall of control-rod, although which is achieved preferably in result
Dust-proof effect, but subsequent experimental personnel are still had found in use for some time, and certain can be produced when button is pressed down
Frustrate sense；But do not have obvious dust traces on control-rod；Therefore the observation of the multiplying arrangements such as microscope and species analysis are passed through
It finally found that there be more tiny dust Deng many experiments, it is directly about：50-100nm, this dust runs into humid air
The outer wall of agglomerating, to make control-rod can be solidified not smooth, so that have pause and transition in rhythm or melody sense, and before the present invention is designed not
The problem of people has found pause and transition in rhythm or melody sense reason, is worked out after the reason, and the present invention is realized by designing the cleaning function on two groups of tongue edges
Dust is ceaselessly swept into cavity so that it forms grey sludge pellet in cavity, and the surface of control-rod is not influenceed.
The tongue of first tongue along 41 to the 3rd is along 43 functions of possessing sweeping, and the first cavity 51 and the second cavity 52 possess storage
Function, when both combine, it possesses the function of the tiny micronic dust of cleaning, i.e. the 3rd tongue and does not stop to sweep upwards along 43, by micronic dust time
Roll up to the second cavity 52 so that be stored in the second cavity 52, prevent after water-setting of the micronic dust in the second cavity 52 and air is solid
It is attached on control-rod, is also prevented from micronic dust and is continued to enter to key switch substrate.
Embodiment 2.
Such as Fig. 3, a kind of keyboard film described in the present embodiment, the difference with embodiment 1 is：There is provided specific chi
Very little, angle of first tongue along 41 and horizontal plane is that a is between 100 ° to 110 °；Second tongue along 42 with the angle b of horizontal plane for-
Between 100 ° to -110 °；First tongue along 41, the second tongue along the 42, the 3rd tongue along 43 thickness be 0.05-0.2mm it
Between；First tongue along 41 and second tongue along the 42, second tongue along 42 and the 3rd tongue along the distance between 43 be 0.1-0.25mm it
Between；First tongue along 41, the length that the second tongue is along the 42, the 3rd tongue along 43 be between 0.1-0.25mm.
Show that the keyboard film effect of the size can be very good in nearly up to ten thousand experiments, after pressing more than 100,000 times according to
It is so smooth, there is no pause and transition in rhythm or melody sense, any one size exceeds after above-mentioned size range, and compression number will be reduced within 60,000 times；This
Invent to verify that this following experiment of the size specific experiment is not included in above-mentioned experiment number：
Four groups of experiment buttons are set, and every group of button 100 carries out analogue-key by manipulator and operated：
Wherein, the specific size of size 1 to size 3 is different from size 4, i.e., every size increases or reduced
100%-300%, size is increased or decreased at random, but not identical with size 4, and size 4 is the preferred size of above-described embodiment 2.
| Size 1 | Size 2 | Size 3 | Size 4 | |
| 40000 times | 20 have pause and transition in rhythm or melody sense；80 do not have pause and transition in rhythm or melody sense； | 25 have pause and transition in rhythm or melody sense；75 do not have pause and transition in rhythm or melody sense； | 15 have pause and transition in rhythm or melody sense；85 do not have pause and transition in rhythm or melody sense； | 2 have pause and transition in rhythm or melody sense；98 do not have pause and transition in rhythm or melody sense； |
| 60000 times | 97 have pause and transition in rhythm or melody sense；3 do not have pause and transition in rhythm or melody sense； | 92 have pause and transition in rhythm or melody sense；8 do not have pause and transition in rhythm or melody sense； | 90 have pause and transition in rhythm or melody sense；10 do not have pause and transition in rhythm or melody sense； | 3 have pause and transition in rhythm or melody sense；97 do not have pause and transition in rhythm or melody sense； |
| 100000 times | 99 have pause and transition in rhythm or melody sense；1 does not have pause and transition in rhythm or melody sense； | 93 have pause and transition in rhythm or melody sense；7 do not have pause and transition in rhythm or melody sense； | 98 have pause and transition in rhythm or melody sense；2 do not have pause and transition in rhythm or melody sense； | 5 have pause and transition in rhythm or melody sense；95 do not have pause and transition in rhythm or melody sense. |
It was therefore concluded that, in the range of size is maintained at embodiment 2, its touch potential may remain in 10
Ten thousand times do not have pause and transition in rhythm or melody sense, effect very protrude.
It is preferred that, a kind of keyboard film described in the present embodiment, first tongue is that a is with the angle of horizontal plane along 41
105°；Angle b of second tongue along 42 and horizontal plane is -105 °；First tongue along 41, the second tongue is along the 42, the 3rd tongue along 43
Thickness be 0.1mm；First tongue is along the distance between 43 with the 3rd tongue along the 42, second tongue along 42 with the second tongue along 41
0.16mm；First tongue along 41, the length that the second tongue is along the 42, the 3rd tongue along 43 be 0.15mm.Designer is again through excessive
Secondary experiment, draws the precise information so that 96% touch potential of experiment button does not have pause and transition in rhythm or melody sense up to 15 times.
Described above is only several preferred embodiments of the present invention, therefore all structures according to described in present patent application scope
Make, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (6)
1. a kind of keyboard film, it is characterised in that：Key film film body for wrapping up button key button（1）, the key film film body（1）
Top, which is provided with, to be used to make the through hole that the control-rod of keycap passes through（3）；The through hole（3）Edge to through hole（3）Center extension
Go out to have the first tongue edge（41）；
The through hole（3）Edge to through hole（3）Center also extend and have the second tongue edge（42）And the 3rd tongue edge（43）；Institute
State the first tongue edge（41）With the second tongue edge（42）Between be formed with the first cavity（51）, the 3rd tongue edge（43）With the second tongue edge（42）
Between be provided with the second cavity（52）；
The key film film body（1）For silica gel material.
2. a kind of keyboard film according to claim 1, it is characterised in that：The through hole（3）For cross.
3. a kind of keyboard film according to claim 1, it is characterised in that：The key film film body（1）It is provided with boss
（2）, the through hole（3）Located at boss（2）On.
4. a kind of keyboard film according to claim 1, it is characterised in that：The first tongue edge（41）To be inclined upwardly
Set, the 3rd tongue edge（43）To tilt down setting.
5. a kind of keyboard film according to claim 4, it is characterised in that：The first tongue edge（41）With horizontal plane
Angle a is between 100 ° to 110 °；Second tongue edge（42）Angle b with horizontal plane is -100 ° to -110 °；The first tongue edge
（41）, the second tongue edge（42）, the 3rd tongue edge（43）Thickness be 0.05-0.2mm；The first tongue edge（41）With the second tongue edge
（42）, the second tongue edge（42）With the 3rd tongue edge（43）The distance between be 0.1-0.25mm；The first tongue edge（41）, the second tongue
Edge（42）, the 3rd tongue edge（43）Length be 0.1-0.25mm.
6. a kind of keyboard film according to claim 5, it is characterised in that：The first tongue edge（41）With horizontal plane
Angle a is 105 °；Second tongue edge（42）Angle b with horizontal plane is -105 °；The first tongue edge（41）, the second tongue edge（42）、
3rd tongue edge（43）Thickness be 0.1mm；The first tongue edge（41）With the second tongue edge（42）, the second tongue edge（42）With the 3rd
Tongue edge（43）The distance between be 0.16mm；The first tongue edge（41）, the second tongue edge（42）, the 3rd tongue edge（43）Length be
0.15mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831878.4A CN105355497B (en) | 2015-11-25 | 2015-11-25 | A kind of keyboard film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831878.4A CN105355497B (en) | 2015-11-25 | 2015-11-25 | A kind of keyboard film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355497A CN105355497A (en) | 2016-02-24 |
| CN105355497B true CN105355497B (en) | 2017-09-26 |
Family
ID=55331442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510831878.4A Active CN105355497B (en) | 2015-11-25 | 2015-11-25 | A kind of keyboard film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355497B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0271674A3 (en) * | 1986-10-29 | 1988-10-12 | Industrial Electronic Engineers Inc. | Key for a keyboard |
| JPH0648133U (en) * | 1992-12-02 | 1994-06-28 | エスエムケイ株式会社 | Keyboard switch |
| CN203690174U (en) * | 2014-01-20 | 2014-07-02 | 惠州佳达隆电子科技有限公司 | Dustproof key switch of mechanical keyboard |
| CN204360978U (en) * | 2014-12-16 | 2015-05-27 | 东莞市索艾电子科技有限公司 | A kind of keyboard press button structure with keycap axle |
| CN204407220U (en) * | 2015-03-17 | 2015-06-17 | 高敬丽 | A kind of mechanical keyboard switch Silicone Case and apply its keyboard |
| CN205159172U (en) * | 2015-11-25 | 2016-04-13 | 东莞市铭冠电子科技有限公司 | Keyboard button membrane |
-
2015
- 2015-11-25 CN CN201510831878.4A patent/CN105355497B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105355497A (en) | 2016-02-24 |
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