CN104425159B - Waterproof key structure and air purifier - Google Patents
Waterproof key structure and air purifier Download PDFInfo
- Publication number
- CN104425159B CN104425159B CN201310365726.0A CN201310365726A CN104425159B CN 104425159 B CN104425159 B CN 104425159B CN 201310365726 A CN201310365726 A CN 201310365726A CN 104425159 B CN104425159 B CN 104425159B
- Authority
- CN
- China
- Prior art keywords
- elastic
- key
- button
- waterproof
- key slot
- 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.)
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Classifications
-
- 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
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- 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
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
Abstract
The present invention provides a kind of Waterproof key structure and air purifier, and Waterproof key structure includes button group, support frame, waterproof membrane, elastic and button circuit board；Key slot is provided with the horizontal part of support frame, button group is arranged in the key slot, and button group includes several buttons；Waterproof membrane is arranged on the bottom of key slot and covers the whole bottom of key slot；Elastic is arranged in the key slot, and elastic is arranged on the lower section of waterproof membrane, and button circuit board is arranged on the lower section of support frame；The bottom of button is contacted with waterproof membrane, and button is corresponded with elastic and set；The upper end of elastic contacts with waterproof membrane, and the lower end of elastic contacts with button circuit board.Waterproof key structure of the invention is easy to use, simple structure, can avoid the water on button from entering on button circuit board, while the key press in Waterproof key structure is convenient, use time is long.
Description
Technical field
The present invention relates to button manufacture field, more particularly to a kind of new Waterproof key structure and including the Waterproof push-button knot
The air purifier of structure.
Background technology
Console mode electrical equipment is typically all placed on the place of user's daily routines, probably trickles down in use
Water is on electrical equipment.If the top of console mode electrical equipment carries button, unrestrained water will drop onto interior along the fit-up gap of button
On the electricity piece in portion, the problems such as cause short circuit, so as to trigger electric equipment products failure.
Existing key water-proof structure is to set one layer of waterproof membrane on button top.In order to durable, waterproof membrane has certain
Thickness.So, thicker waterproof membrane covers button so that pressing keys are inconvenient, and unsightly.
Therefore it is the problem that those skilled in the art need to solve to provide a kind of new Waterproof key structure easy to use.
The content of the invention
It is above-mentioned in order to overcome the shortcomings of, it is an object of the invention to provide a kind of easy to use, security performance waterproof high
Press-key structure.
Technical scheme is as follows：
A kind of Waterproof key structure, including button group, support frame, waterproof membrane, elastic and button circuit board；
Key slot is provided with the horizontal part of support frame as described above, the button group is arranged in the key slot, and described
Button group includes several buttons；
The waterproof membrane is arranged on the bottom of the key slot and covers the whole bottom of the key slot；
The elastic is arranged in the key slot, and the elastic is arranged on the lower section of the waterproof membrane, described
Button circuit board is arranged on the lower section of support frame as described above；
The bottom of the button is contacted with the waterproof membrane, and the button is corresponded with the elastic and set；
The upper end of the elastic contacts with the waterproof membrane, and the lower end of the elastic connects with the button circuit board
Touch.
Wherein in one embodiment, the periphery of the key slot is provided with rhone, the initiating terminal of the rhone
Bottom is not higher than the bottom of the key slot, the surface of the end of the rhone away from the button circuit board.
Wherein in one embodiment, the bottom of the initiating terminal of the rhone is concordant with the bottom of the key slot, institute
The end for stating rhone terminates in the side-lower of the button circuit board.
Wherein in one embodiment, the size of the size more than the button group of the key slot；
The first location hole is provided with the button group, the position corresponding with first location hole in the key slot
On be provided with the first locating dowel, the button group is fixed on the key slot by the cooperation of the first location hole and the first locating dowel
On.
Wherein in one embodiment, the shape of the waterproof membrane is identical with the shape of the bottom of the key slot；
It is provided with the second location hole on the waterproof membrane, the waterproof membrane is matched somebody with somebody by the second location hole and the first locating dowel
Conjunction is fixed in the key slot.
Wherein in one embodiment, first location hole or the second location hole with diameter greater than first locating dowel
Diameter.
Wherein in one embodiment, the bottom of the key slot is provided with key hole, and the key hole is pressed through described
The bottom of keyway and the lower surface of support frame as described above；
The elastic is arranged on the centre position of the key hole by fixed structure, and the fixed structure is pressed with described
The inwall of keyhole is fixedly connected.
Wherein in one embodiment, the fixed structure be some thin adhesive tape, one end of the thin adhesive tape with it is described
Elastic is fixed, and the other end of the thin adhesive tape is connected with the inwall of the key hole.
Wherein in one embodiment, the number of the thin adhesive tape is one, and the cross sectional shape of the thin adhesive tape is S-shaped,
Be provided with the centre bore passed through for the elastic in the middle part of the thin adhesive tape of S-shaped, the two ends of the thin adhesive tape of S-shaped respectively with institute
State the relative both sides inwall connection of key hole.
Wherein in one embodiment, the number of the thin adhesive tape is two, and the shape of two thin adhesive tape is identical, institute
That states two thin adhesive tape is shaped as " J " shape, and the shorter one end of the thin adhesive tape of " J " shape is fixedly connected with elastic, described two
The relative both sides inwall connection respectively with the key hole of the thin adhesive tape of " J " shape one end more long.
Wherein in one embodiment, the upper end of the elastic is circle, and the upper end of the elastic protrudes from institute
State the bottom surface of key slot；
The plane perpendicular of the lower end of the elastic and the key slot, the cross section of the lower end of the elastic is in " ten "
Font；
The upper end of the elastic contacts with the waterproof membrane, and the lower end of the elastic is light with the button circuit board
Touch switch contact.
Wherein in one embodiment, the button circuit board is fixed by screws in the screw pole of support frame as described above bottom
On.
The present invention also provides a kind of air purifier, including shell, also including Waterproof key structure as described above；
The horizontal part of support frame as described above is close to the shell and is set, and the shape of support frame as described above and the shell shape
It is adapted；
The surface of the button of the button group and the flush of the shell or protrusion and the shell.
The beneficial effects of the invention are as follows：Waterproof key structure of the invention is easy to use, simple structure, can avoid
Water on button enters on button circuit board, while the key press in Waterproof key structure is convenient, use time is long.
Brief description of the drawings
In order that the object, technical solution and advantage of Waterproof key structure of the invention become more apparent, below in conjunction with
Specific drawings and the specific embodiments, the present invention will be described in further detail.
Fig. 1 is the decomposing schematic representation of an embodiment of Waterproof key structure of the invention；
Fig. 2 is the structural representation of the support frame in the Waterproof key structure shown in Fig. 1；
Fig. 3 is the structural representation of the other direction of the support frame in the Waterproof key structure shown in Fig. 1；
Fig. 4 is the pressing relation profile of the Waterproof key structure in Fig. 1；
Fig. 5 is the structural representation of the key hole in the Waterproof key structure shown in Fig. 1；
Fig. 6 is the part-structure schematic diagram that Waterproof key structure of the invention is applied to air purifier.
1 button group, 11 buttons, 12 first location holes, 13 insulation sheets, 2 support frames, 21- horizontal parts, 22 key slots, 23
Rhone, 24 first locating dowels, 25 key holes, 26 thin adhesive tape, 27 screw poles, 3 waterproof membranes, 31 second location holes, 4 elastics,
41 upper ends, 42 lower ends, 5 button circuit boards, 51 touch-switch, 52 screw holes.
Specific embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one
Referring to Fig. 1, a kind of Waterproof key structure, including button group 1, support frame 2, waterproof membrane 3, bullet are present embodiments provided
Property post 4 and button circuit board 5；Key slot 22 is provided with the horizontal part 21 of support frame 2, button group 1 is arranged in key slot 22,
And button group 1 includes several buttons 11；Waterproof membrane 3 is arranged on the bottom of key slot 22 and covers the whole bottom of key slot 22
Portion；Elastic 4 is arranged in key slot 22, and elastic 4 is arranged on the lower section of waterproof membrane 3, and button circuit board 5 is arranged on support
The lower section of frame 2；The bottom of button 11 is contacted with waterproof membrane 3, and button 11 is corresponded with elastic 4 and set；The upper end of elastic 4
Contacted with waterproof membrane 3, the lower end of elastic 4 contacts with button circuit board 5.
Waterproof key structure in the present embodiment is mainly between button group 1 and button circuit board 5 there is provided waterproof membrane
3, so trickling down the water in button group 1 would not enter button circuit board 5 and cause the short circuit of button circuit board 5.For fixation
Waterproof membrane 3, the present embodiment is provided with support frame 2, and support frame 2 can combine button group 1, waterproof membrane 3 and button circuit board 5
Together.The effect of elastic 4 is so that the pressing force of button 11 can be delivered to button circuit board 5, and terminates in pressing operation
When elastic 4 can restore to the original state rapidly.Therefore good waterproof work(can be realized using the Waterproof key structure of the present embodiment
Can, and it is simple to operate.
Preferably, as a kind of embodiment, referring to Fig. 2, rhone 23, draining are provided with the periphery of key slot 22
The bottom of the initiating terminal of groove 23 is not higher than the bottom of key slot 22, the surface of the end of rhone 23 away from button circuit board 5.
The purpose for setting rhone 23 is discharged in order to trickle down on button 11 and into the water in key slot 22, therefore rhone 23
End away from button circuit board 5 surface.
Preferably, the bottom of the initiating terminal of key slot 23 is concordant with the bottom of key slot 22, and the end of rhone 23 terminates in
The side-lower of button circuit board 5.So convenient manufacture, it is only necessary to drive rhone processed in a corner of key slot 22.Enter
Enter key slot 22 water energy it is enough discharged along rhone 23, prevent hydropexis inside key slot 22, breed bacteria or lower leaching
Onto button circuit board 5.
Preferably, as a kind of embodiment, referring to Fig. 1, the size of the size more than button group 1 of key slot 22；Press
The first location hole 12 is provided with key group 1, being provided with first on the position corresponding with the first location hole 12 in key slot 22 determines
Position post 24, button group 1 is fixed in key slot 22 by the cooperation of the first location hole 12 and the first locating dowel 24.First of all for guarantor
The good water-proof function of card, the size of key slot 22 should be more than the size of button group 1, that is to say, that button group 1 can be complete
It is placed in key slot 22.In addition, the button group 1 in the present embodiment includes that several buttons 11 are incited somebody to action with the both sides of button 11 are arranged on
The insulation sheet 13 that button 11 is connected to each other, wherein button 11 can be the column block that section is strip, several buttons 11
It is arranged in a row to form button group 1, while being additionally provided with the first location hole 12 on insulation sheet 13.First location hole 12 and button
The first locating dowel 24 in groove 22 is engaged.Standard can be carried out to button group 1 using the first location hole 12 and the first locating dowel 24
It is determined that position, it is ensured that the installation site of button group 1.Preferably, the diameter with diameter greater than the first locating dowel 24 of the first location hole 12,
So install more convenient during button group 1, while ensure that button group 1 will not fall off with key slot 22.
Preferably, as a kind of embodiment, referring to Fig. 1, the shape of the shape of waterproof membrane 3 and the bottom of key slot 22
It is identical；The second location hole 31, the cooperation that waterproof membrane 3 passes through the second location hole 31 and the first locating dowel 24 are provided with waterproof membrane 3
It is fixed in key slot 22.Waterproof membrane 3 is arranged on the bottom of key slot 22 and covers the whole bottom of key slot 22, i.e. waterproof
The size of film 3 should be more than the size of button group 1, so just can guarantee that the water trickled down in button group 1 is stopped by waterproof membrane 3,
Cannot drop on button circuit board 5.Likewise, in order to waterproof membrane 3 is fixed in key slot 22, the present embodiment is provided with
, be fixed on waterproof membrane 3 in key slot 22 by the cooperation of the second location hole 31 and the first locating dowel 24 by two location holes 31.And
And, the diameter with diameter greater than the first locating dowel 24 of the second location hole 31.In the present embodiment, the first location hole 12 and second is positioned
The quantity in hole 31 is preferably completely consistent with position, can so avoid setting excessive location hole on waterproof membrane, and influences waterproof to imitate
Really.
Preferably, used as a kind of embodiment, referring to Fig. 2, the bottom of key slot 22 is provided with key hole 25, key hole
25 through the bottom of key slot 22 and the lower surface of support frame 2；Elastic 4 is arranged on the centre of key hole 25 by fixed structure
Position, fixed structure is fixedly connected with the inwall of key hole 2.In the present embodiment, key hole 25 is through hole, and the through hole runs through button
Groove 22 and support frame 2, the purpose for setting key hole 25 are to install elastic 4, because the upper end of elastic 4 contacts with waterproof membrane 3,
Lower end contacts with button circuit board 5, so key hole can be through hole.
Accordingly, waterproof membrane 3 can be one layer of transparent silicon rubber moulding of softness, and thickness can be 1mm to 3mm, and waterproof membrane 3 compares
The size of key slot 22 so ensure that greatly waterproof membrane 3 covers the openwork part of key hole 25.
Preferably, referring to Fig. 5, fixed structure is some thin adhesive tape 26, and one end and the elastic 4 of thin adhesive tape 26 are fixed,
The other end of thin adhesive tape 26 is fixedly connected with the inwall of key hole 25.The present embodiment is by some thin adhesive tape 26 by elastic 4
It is fixed in key hole 25.Wherein some thin adhesive tape 26 can fix elastic 4 in cross, or can also be in " X "
Shape fixes elastic 4.
More excellent, the number of thin adhesive tape 26 is one, and the cross sectional shape of thin adhesive tape 26 is S-shaped, the middle part of the thin adhesive tape 26 of S-shaped
It is provided with the centre bore passed through for elastic 4, the relative both sides inwall of the two ends of the thin adhesive tape 26 of S-shaped respectively with key hole 25 connects
Connect.Using the thin adhesive tape of S-shaped, thin adhesive tape 26 is big with the inwall contact area of key hole 25, fixation, and thin adhesive tape bullet
Property is preferable.
More excellent, referring to Fig. 5, the number of thin adhesive tape 26 is two, and the shape of two thin adhesive tape is identical, two thin adhesive tape 26
Shape be " J " shape, the shorter one end of the thin adhesive tape 26 of " J " shape is fixedly connected with elastic 4, two thin adhesive tape 26 of " J " shape compared with
One end long relative both sides inwall connection respectively with key hole 25.Wherein the thin adhesive tape 26 of " J " shape one end more long preferably with
The shorter inwall connection of rectangle key hole 25.
Preferably, as a kind of embodiment, referring to Fig. 1, Fig. 3 and Fig. 5, the upper end 41 of elastic 4 is circle, and bullet
The upper end 41 of property post 4 protrudes from the bottom surface of key slot 22；The lower end 42 of elastic 4 and the plane perpendicular of key slot 22, elastic 4
Lower end 41 cross section be in " ten " font；The upper end 41 of elastic 4 contacts with waterproof membrane 3, the lower end 42 of elastic 4 and button
The touch-switch 51 of circuit board 5 is contacted.The elastic when bottom surface that elastic 4 protrudes from key slot 22 ensure that button 11 is pushed
4 being capable of depressed power.The upper end 41 of elastic 4 is rounded to facilitate the upper end stress of elastic 4, and lower end is in the convenient elasticity of cross
Post 4 is acted on touch-switch 51.
Preferably, used as a kind of embodiment, button circuit board 5 is fixed by screws in the screw of the bottom of support frame 2
On post 27.Accordingly, screw hole 52 is provided with button circuit board 5.
Referring to Fig. 4, button 11 is placed on the waterproof membrane 3 above each self-corresponding key hole 25, and button bottom is close to
On waterproof membrane 3, and button bottom corresponds with the upper end 41 of elastic.Pressing keys 11, pressure is transmitted by waterproof membrane 3
To elastic 4, then acted on the touch-switch 51 of button circuit board 5 by elastic 4.Because thin adhesive tape 26 has bullet
Property, elastic can up and down within the specific limits and parking position accuracy.
Embodiment two
Waterproof key structure described in embodiment one is applied to various console mode electrical equipment, especially key position is relatively low
Console mode electrical equipment.Referring to Fig. 6, the waterproof described in a kind of air purifier of the present embodiment offer, including shell 6 and embodiment one is pressed
Bond structure, the horizontal part 21 of support frame 2 is close to shell 6 and is set, and the shape of support frame 2 is adapted with the shape of shell 6；Button
1 button 11 is organized with the flush of shell 6 or the surface of shell 6 is protruded from.The button 11 of button group 1 and the surface of shell 6
Surface that is concordant or protruding from shell 6, facilitates pressing operation.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claim.
Claims (8)
1. a kind of Waterproof key structure, it is characterised in that for console mode electric equipment, the Waterproof key structure includes button
Group, support frame, waterproof membrane, elastic and button circuit board；
Key slot is provided with the horizontal part of support frame as described above, the button group is arranged in the key slot, and the button
Group includes several buttons；
The waterproof membrane is arranged on the bottom of the key slot and covers the whole bottom of the key slot；
The elastic is arranged in the key slot, and the elastic is arranged on the lower section of the waterproof membrane, the button
Circuit board is arranged on the lower section of support frame as described above；
The bottom of the button is contacted with the waterproof membrane, and the button is corresponded with the elastic and set；
The upper end of the elastic contacts with the waterproof membrane, and the lower end of the elastic contacts with the button circuit board；
Can be delivered to the pressing force of the button on the button circuit board by the elastic, and described at the end of pressing
Elastic can restore to the original state；
The upper end of the elastic is circle, and the upper end of the elastic protrudes from the bottom surface of the key slot, make it is described by
The elastic being capable of depressed power when key is pushed；
The plane perpendicular of the lower end of the elastic and the key slot, the cross section of the lower end of the elastic is in " ten " word
Shape；
The upper end of the elastic contacts with the waterproof membrane, the lower end of the elastic and touching out for the button circuit board
Contact is closed, the touch-switch is acted in order to the elastic；
The periphery of the key slot is provided with rhone, and the bottom of the initiating terminal of the rhone is put down with the bottom of the key slot
Together, the end of the rhone terminates in the side-lower of the button circuit board；
Size of the size of the key slot more than the button group；
The first location hole is provided with the button group, is set on the position corresponding with first location hole in the key slot
The first locating dowel is equipped with, the button group is fixed in the key slot by the cooperation of the first location hole and the first locating dowel；
The shape of the waterproof membrane is identical with the shape of the bottom of the key slot；
The second location hole is provided with the waterproof membrane, the waterproof membrane is consolidated by the cooperation of the second location hole and the first locating dowel
It is scheduled in the key slot.
2. Waterproof key structure according to claim 1, it is characterised in that first location hole or the second location hole
With diameter greater than the diameter of first locating dowel.
3. Waterproof key structure according to claim 1, it is characterised in that the bottom of the key slot is provided with button
Hole, the key hole is through the bottom of the key slot and the lower surface of support frame as described above；
The elastic is arranged on the centre position of the key hole, the fixed structure and the key hole by fixed structure
Inwall be fixedly connected.
4. Waterproof key structure according to claim 3, it is characterised in that the fixed structure is some thin adhesive tape,
One end of the thin adhesive tape is fixed with the elastic, and the other end of the thin adhesive tape is connected with the inwall of the key hole.
5. Waterproof key structure according to claim 4, it is characterised in that the number of the thin adhesive tape is, described
The cross sectional shape of thin adhesive tape is S-shaped, and the centre bore passed through for the elastic, the S are provided with the middle part of the thin adhesive tape of S-shaped
The relative both sides inwall connection respectively with the key hole of the two ends of the thin adhesive tape of shape.
6. Waterproof key structure according to claim 4, it is characterised in that the number of the thin adhesive tape is two, described
The shape of two thin adhesive tape is identical, and two thin adhesive tape are shaped as " J " shape, the shorter one end of the thin adhesive tape of " J " shape with
Elastic is fixedly connected, the thin adhesive tape of described two " J " shapes one end more long relative both sides inwall respectively with the key hole
Connection.
7. Waterproof key structure according to claim 1, it is characterised in that the button circuit board is fixed by screws in
On the screw pole of support frame as described above bottom.
8. a kind of air purifier, including shell, it is characterised in that also including the waterproof described in claim 1 to 7 any one
Press-key structure；
The horizontal part of support frame as described above is close to the shell and is set, and the shape of support frame as described above is mutually fitted with the shape of the shell
Should；
The surface of the button of the button group and the flush of the shell or protrusion and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365726.0A CN104425159B (en) | 2013-08-20 | 2013-08-20 | Waterproof key structure and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365726.0A CN104425159B (en) | 2013-08-20 | 2013-08-20 | Waterproof key structure and air purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104425159A CN104425159A (en) | 2015-03-18 |
| CN104425159B true CN104425159B (en) | 2017-05-31 |
Family
ID=52973874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310365726.0A Active CN104425159B (en) | 2013-08-20 | 2013-08-20 | Waterproof key structure and air purifier |
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| Country | Link |
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| CN (1) | CN104425159B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140066B (en) * | 2015-09-28 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of press-key structure and electronic product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294173Y (en) * | 2008-12-01 | 2009-08-19 | 青岛海信电器股份有限公司 | Key structure and electronic equipment |
| CN102543542A (en) * | 2011-12-05 | 2012-07-04 | 广东步步高电子工业有限公司 | Waterproof keyboard |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3035103B2 (en) * | 1993-02-15 | 2000-04-17 | 東芝テック株式会社 | keyboard |
| CN2665892Y (en) * | 2003-11-18 | 2004-12-22 | 张家港和乔电子有限公司 | Flow guiding apparatus for middle plate of cashier's machine keyboard |
| JP2005302384A (en) * | 2004-04-07 | 2005-10-27 | Elcom:Kk | Waterproof keyboard |
| CN201025598Y (en) * | 2007-03-08 | 2008-02-20 | 陈伟杰 | Waterproof keyboard |
| CN201118122Y (en) * | 2007-08-31 | 2008-09-17 | 珠海格力电器股份有限公司 | Air conditioner indoor machine water-proof press key device |
| CN203406208U (en) * | 2013-08-20 | 2014-01-22 | 珠海格力电器股份有限公司 | Waterproof key structure and air purifier |
-
2013
- 2013-08-20 CN CN201310365726.0A patent/CN104425159B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294173Y (en) * | 2008-12-01 | 2009-08-19 | 青岛海信电器股份有限公司 | Key structure and electronic equipment |
| CN102543542A (en) * | 2011-12-05 | 2012-07-04 | 广东步步高电子工业有限公司 | Waterproof keyboard |
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| CN104425159A (en) | 2015-03-18 |
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