Waterproof key structure and air purifierTechnical 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 knotThe 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 useWater 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 buttonOn 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 certainThickness.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 highPress-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 describedButton 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, describedButton 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 boardTouch.
Wherein in one embodiment, the periphery of the key slot is provided with rhone, the initiating terminal of the rhoneBottom 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, instituteThe 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 slotOn 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 dowelOn.
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 dowelConjunction is fixed in the key slot.
Wherein in one embodiment, first location hole or the second location hole with diameter greater than first locating dowelDiameter.
Wherein in one embodiment, the bottom of the key slot is provided with key hole, and the key hole is pressed through describedThe 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 describedThe 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 describedElastic 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 instituteState 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, instituteThat 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 twoThe 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 instituteState 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 boardTouch switch contact.
Wherein in one embodiment, the button circuit board is fixed by screws in the screw pole of support frame as described above bottomOn.
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 shapeIt 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 avoidWater 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 withSpecific 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, 23Rhone, 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 conflictedUnder 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 providedProperty 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 22Portion；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 supportThe 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 4Contacted 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 membrane3, 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 fixationWaterproof 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 5Together.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 operationWhen elastic 4 can restore to the original state rapidly.Therefore good waterproof work(can be realized using the Waterproof key structure of the present embodimentCan, 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 22The 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 23End 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 inThe 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.EnterEnter key slot 22 water energy it is enough discharged along rhone 23, prevent hydropexis inside key slot 22, breed bacteria or lower leachingOnto 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；PressThe 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 determinesPosition 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 guarantorThe 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 completeIt 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 onThe 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 11It 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 buttonThe 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 24It 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 22It 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 3It 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. waterproofThe 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.AndAnd, 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 positionedThe quantity in hole 31 is preferably completely consistent with position, can so avoid setting excessive location hole on waterproof membrane, and influences waterproof to imitateReally.
Preferably, used as a kind of embodiment, referring to Fig. 2, the bottom of key slot 22 is provided with key hole 25, key hole25 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 structurePosition, 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 buttonGroove 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 comparesThe 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 4It 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-shapedIt 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 connectsConnect.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 bulletProperty 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 26Shape 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 withOne 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 withThe 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 bulletThe 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 4Lower 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 buttonThe 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 pushed4 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 crossPost 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 2On 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 toOn waterproof membrane 3, and button bottom corresponds with the upper end 41 of elastic.Pressing keys 11, pressure is transmitted by waterproof membrane 3To elastic 4, then acted on the touch-switch 51 of button circuit board 5 by elastic 4.Because thin adhesive tape 26 has bulletProperty, 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 lowConsole 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 pressedBond 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；Button1 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 6Surface 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 simultaneouslyTherefore 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 artFor, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the inventionShield scope.Therefore, the protection domain of patent of the present invention should be defined by claim.