CN101699372A - Waterproof computer keyboard and laptop with waterproof keyboard - Google Patents

Abstract

The invention provides a waterproof computer keyboard and a laptop with the waterproof keyboard. The keyboard comprises a key-press film, a pedestal and a contact film and a film circuit unit arranged between the key-press film and the pedestal, wherein the key-press film comprises a radiation-transmitting waterproof flexible sheet and a plurality of key-press bodies formed on the front face of the waterproof flexible sheet by a radiation curing material through radiation curing; an ink layer displaying key-press characters is adhered to the back side of the waterproof flexible sheet; and a sealing joint is formed between the circumference of the key-press film and the pedestal. The waterproof computer keyboard can realize all-around waterproof, dustproof and antifouling effects and has simple structure and convenient assembly, thereby effectively increasing production efficiency and reducing production cost.

Description

Waterproof computor-keyboard and notebook computer with waterproff keyboard

Technical field

The present invention relates to the good computor-keyboard of a kind of water resistance, relate to a kind of notebook computer in addition with waterproff keyboard.

Background technology

At present, along with the progress of science and technology, computing machine little by little enters into each company and family, and keyboard is the important device that computing machine accepts message, if there is not keyboard, just can't input data, and computing machine also just can't be carried out any work.

Traditional computor-keyboard includes loam cake, button, rubber body, thin film circuit unit, pedestal and base plate etc. and installs and utilize screw locking composition in regular turn, this rubber body is arranged between button and the thin film circuit unit, the shake-up pressure cap top of this rubber body with by key contacts.This thin film circuit unit has the winding displacement part of extending, and this winding displacement of mat electrical contact partly is connected to form electric the contact with a printed circuit board (PCB).When this button was pressed, button was promptly depressed the shake-up pressure cap of rubber body, made the shake-up pressure cap press the thin film circuit unit and made circuit turn-on, to form electric contact, made switch do the action of energising.When loosening this button, then utilize the elasticity of touching pressure cap, button is replied original position, make switch do the action of outage.The water proofing property extreme difference of this traditional keyboard, as long as a water inlet, keyboard promptly can't operate as normal, and can cause the short circuit even the damage of circuit unit.

Existing a kind of waterproff keyboard, its mainly in the loam cake bottom surface and base plate be provided with most corresponding column pipes and perforation, and the mat column pipe imports water in the liquid-collecting box that the base plate bottom surface is provided with, and is available preventing that flow of liquid from going into the thin film circuit unit, but this kind design, its structure is comparatively complicated, column pipe and perforation need be laid on the whole card, cause the inconvenience in the manufacturing, and die cost is higher, it is many to cause cost to improve, and it can't absolutely prevent sealing enter key dish inside.

Summary of the invention

First purpose of the present invention is to overcome the prior art deficiency, and a kind of computor-keyboard with comprehensive water-proof function is provided, and it is simple in structure, and the assembling facility saves time, and production cost is low.

Second purpose of the present invention is to provide a kind of notebook computer with waterproof computor-keyboard.

For realizing above-mentioned first purpose, the invention provides a kind of waterproof computor-keyboard, comprise button film, base and be arranged on contact film and thin film circuit unit between them, form sealed engagement between the periphery of described button film and the described base; Wherein, described button film has comprised the waterproof flexible sheet of a permeable radiation and has been molded over several key bodies in this waterproof flexible sheet front by radiation curing material by radiation curing that the back side of described waterproof flexible sheet is attached with the ink lay of display button character.

Described contact film comprises a flexible sheet, and the position corresponding to each key body on the lower surface of this flexible sheet is respectively equipped with a projection, and each projection is corresponding with a circuit contact on the described thin film circuit unit respectively.On the lower surface of described contact film, be distributed with height some horizontal muscle and some longitudinal subdivision muscle of dividing greater than described projection, described horizontal minute muscle and longitudinal subdivision muscle are separated into several grid corresponding to described several key bodies with this lower surface, and wherein each projection is positioned at a grid.Described projection can be protruding grain or convex tendon.Because the lower surface at the contact film is provided with aforesaid minute muscle, when one of them projection was pressed downward, other projection around this projection can not produce interlock, thereby has avoided the misoperation of keyboard effectively.

The backing plate of one rigidity good metal system also can be set between described thin film circuit unit and the base, thereby make surface of keyboard planarization height, good hand touch and stressed uniformity have guaranteed the requirement of the rigidity and the intensity of keyboard simultaneously.

The height of described key body is preferably 0.4mm～1.6mm, can either obtain good hand feeling like this, does not also waste raw material.

Described waterproof flexible sheet can be the transparent plastic sheet material, and described radiation curing material is the illumination curing material, and it is molded over the front of described transparent plastic sheet material by illumination curing.

Adopt technique scheme, waterproof computor-keyboard of the present invention has following advantage at least:

1) described button film has comprised the plastic sheet of a light-permeable and has been molded over several key bodies in the front of this plastic sheet by radiation curing by radiation curing material, forms between the periphery of this button film and the described base to be tightly connected; Therefore can realize comprehensive waterproof and dustproof and antifouling effect, even with the surface of a large amount of liquid pourings at the button film, liquid also can not penetrate into the inside of keyboard;

2) because key body is to be molded over the front of this plastic sheet by radiation curing material by radiation curing, thereby form an almost negligible button film of thickness, thereby make whole keyboard can realize slimming;

3) owing to the lower surface at the contact film is provided with horizontal and vertical branch muscle, when one of them projection of contact film was pressed downward, other projection around this projection can not produce interlock, thereby has avoided the misoperation of keyboard effectively;

4) key body on the button film can not produce the button interlock by the radiation process curing molding;

5) keyboard is simple in structure, and assembling is convenient, and can enhance productivity effectively, reduce production costs.

For realizing above-mentioned second purpose, the invention provides a kind of notebook computer with waterproff keyboard, comprise interconnective main frame and display screen, described main frame is provided with keyboard, this keyboard comprises the button film, be fixed in the base of main frame and be arranged on contact film and thin film circuit unit between button film and the base, forms sealed engagement between the periphery of described button film and the described base; Wherein, described button film has comprised the waterproof flexible sheet of a permeable radiation and has been molded over several key bodies in this waterproof flexible sheet front by radiation curing material by radiation curing that the back side of described waterproof flexible sheet is attached with the ink lay of display button character.

Preferably, described contact film comprises a flexible sheet, and the position corresponding to each key body on the lower surface of this flexible sheet is respectively equipped with a projection, and each projection is corresponding with a circuit contact on the described thin film circuit unit respectively; On the lower surface of described contact film, be distributed with height some horizontal muscle and some longitudinal subdivision muscle of dividing greater than described projection, described horizontal minute muscle and longitudinal subdivision muscle are separated into several grid corresponding to described several key bodies with this lower surface, and wherein each projection is positioned at a grid.Described waterproof flexible sheet can be the transparent plastic sheet material, and described radiation curing material is the illumination curing material, and it is molded over the front of described transparent plastic sheet material by illumination curing.

Therefore notebook computer of the present invention has above-mentioned advantage and beneficial effect equally owing to disposed the waterproff keyboard of said structure.

Description of drawings

Fig. 1 is the stereographic map of a kind of waterproof computor-keyboard of the present invention;

Fig. 2 is the parts explosion of waterproof computor-keyboard shown in Figure 1;

Fig. 3 is the A partial enlarged drawing of Fig. 2;

Fig. 4 is the front schematic view of the button film in the middle of the waterproof computor-keyboard shown in Figure 1;

Fig. 5 is the cutaway view Amplified image of the B part of Fig. 4;

Fig. 6 is the lower surface synoptic diagram of the contact film in the middle of the waterproof computor-keyboard shown in Figure 1;

Fig. 7 is the C partial enlarged drawing of Fig. 6;

Fig. 8 is the D-D cut-open view of Fig. 7;

Fig. 9 is the stereographic map of a kind of notebook computer of the present invention;

Figure 10 is the lower surface synoptic diagram of the contact film in the middle of the notebook computer shown in Figure 9.

Embodiment

Describe waterproof computor-keyboard of the present invention and notebook computer in detail below in conjunction with accompanying drawing.In institute's drawings attached, identical Reference numeral will be used to refer to identical parts, feature or structure.Embodiment introduce in the process at concrete structure or parts, only understand of the present invention with reference to the property illustration as those skilled in the art, those skilled in the art can also design or technical scope or the various of technical spirit that patterning is not exceeded the present invention are equal to or the similar techniques structure under the enlightenment of the technical scheme that embodiment describes.Thus, be unfavorable if limit the protection domain that the present invention's claim includes with this exemplary illustration.Be equal to or be similar to the protection domain that technical scheme of the present invention still belongs to the present invention's claim.

Embodiment one

Referring to Fig. 1～Fig. 3, a kind of waterproof computor-keyboard 1 of the present invention, comprisebutton film 11,base 12 and be arranged oncontact film 13 and thin film circuit unit 14 between them, the backing plate 15 of one deck rigidity good metal system preferably also is set between thin film circuit unit 14 andbase 12, thereby make surface of keyboard planarization height, good hand touch and stressed uniformity have guaranteed the requirement of the rigidity and the intensity of keyboard simultaneously.The signal wire of thin film circuit unit 14 is drawn the keyboard outside from thefairlead 122 on theoutlet lid 121 ofbase 12, and fairlead 122 places are coated with fluid sealant with water proof and dust proof.This signal wire can be connected to host computer, thereby the output signal of keyboard 1 is transferred in the host computer.

Referring to Fig. 4 and Fig. 5, describedbutton film 11 has comprised the waterproofflexible sheet 111 of a permeable radiation and has been molded over severalkey bodies 112 in these waterproofflexible sheet 111 fronts by radiation curing material by radiation curing, the height d ofkey body 112 is preferably 0.4mm～1.6mm, 0.5mm for example, can either obtain good hand feeling like this, also not waste raw material.

The back side of waterproofflexible sheet 111 is attached with the ink lay of display button character, and button character comprises letter, numeral, English word and various symbols etc.

Described radiation curing material can be the illumination curing material, ultraviolet curable resin (UV resin) for example, in the front of transparent plastic sheet material, the available material of plastic sheet has PC (polycarbonate) or PET (polyethylene terephthalate) etc. by illumination (as ultraviolet ray) curing molding for it.In addition, radiation curing material of the present invention can also be the glue that illumination such as utilization sound, electricity, magnetic, heat radiation source in addition carries out radiation curing.Form sealed engagement between the periphery ofbutton film 11 and thebase 12, for example be bonded together by double faced adhesive tape, make and form an airtight space betweenbutton film 11 and thebase 12, to realize comprehensive waterproof effect, even with the surface of a large amount of liquid pourings atbutton film 11, liquid also can not penetrate into the inside of keyboard 1.

Above-mentionedbutton film 11 can adopt following technology to make: at first preparation has the template of a die cavity, is provided with several nibs corresponding to severalkey bodies 112 on thebutton film 11 in this die cavity, and the degree of depth of nib is 0.4mm～1.6mm, 0.5mm for example; Fill with the ultraviolet curing material in all nibs, then a transparent plastic sheet material is tiled on the die cavity, the front of transparent plastic sheet material is towards nib; Utilize ultraviolet light the ultraviolet curing material the nib to be shone, make the ultraviolet curing material cured also be combined in the front of transparent plastic sheet material securely, formkey body 112 one by one from the back side of transparent plastic sheet material.By the mode of machining, by the redundance of required size excision transparent plastic sheet material periphery.The ink lay ofbutton film 11 can be by the mode that applies or print, the transparent plastic sheet material the back side adhere to the background ink lay of one deck black earlier, this background ink lay is in the hollow out that forms the display button character corresponding to the position of eachkey body 112, on this background ink lay, adhere to the white ink layer layer more then, like this, just can see the button character that is shown as white font from the front ofbutton film 11, zone beyond the button character then is rendered as the background colour of black, utilize same principle, can also be combined into multicolour, make surface of keyboard bright and colourful, satisfy different consumer demands.Thekey body 112 of above-mentionedbutton film 11 is spaced apart from each other, andkey body 112 has certain height, so the keyboard feel is fine, and can not produce the maloperation that the button interlock causes.

Thin film circuit unit 14 is generally three-decker, form by first conductive film, insulation film and second conductive film, have circuit contact and conducting wire on first conductive film and second conductive film, the position corresponding to circuit contact on the insulation film has through hole.When certainkey body 112 on thebutton film 11 was pressed, first conductive film corresponding with thiskey body 112 can pass the through hole on the insulation film with the circuit contact on second conductive film and contact, and circuit is connected and outside electric signal of output.After the external force on thiskey body 112 disappeared, the circuit contact on first conductive film and second conductive film was insulated film and separates, and does not externally export electric signal.The thin film circuit unit 14 of this structure has belonged to proven technique in art of keypads, just it is not specifically described herein.

Referring to Fig. 6～Fig. 8, describedcontact film 13 comprises aflexible sheet 136, the lower surface of thisflexible sheet 136 is distributed with some and laterally dividesmuscle 131 and somelongitudinal subdivision muscle 132, describedhorizontal minute muscle 131 andlongitudinal subdivision muscle 132 are separated intoseveral grid 133 corresponding to severalkey bodies 112 on thebutton film 11 with this lower surface, be respectively equipped with a projection in eachgrid 133, each projection is corresponding with akey body 112 and a circuit contact 141 on the thin film circuit unit 14 on thebutton film 11 respectively.For square or be similar tosquare grid 133, the projection in it is protrudinggrain 134; Obviously greater than therectangular grid 133 of width, the projection in it is aconvex tendon 135 for length.The height that laterally dividesmuscle 131 andlongitudinal subdivision muscle 132 is greater than protrudinggrain 134 and convex tendon 135.Because the lower surface atcontact film 13 is provided with aforesaid minute muscle, when one of them projection was pressed downward, other projection around this projection can not produce interlock, thereby has avoided the misoperation of keyboard effectively.

Embodiment two

Referring to Fig. 9 and Figure 10, a kind of notebook computer 2 of the present invention with waterproff keyboard, comprise interconnectivemain frame 21 anddisplay screen 22, describedmain frame 21 is provided with keyboard 3, this keyboard 3 comprisebutton film 31, be fixed in thebase 32 ofmain frame 21 and be arranged onbutton film 31 andbase 32 betweencontact film 33 and thinfilm circuit unit 34, form sealed engagement between the periphery of describedbutton film 31 and the base 32.The signal wire of thinfilm circuit unit 34 is connected to the mainboard ofmain frame 21 inside, thereby the output signal of keyboard 3 is transferred to mainframe.Button film 11 in the structure of describedbutton film 31 and the above-mentioned waterproof computor-keyboard 1 is similar.Thin film circuit unit 14 in the structure of thinfilm circuit unit 34 and principle of work and the above-mentioned waterproof computor-keyboard 1 is similar.

Described radiation curing material can be the illumination curing material, ultraviolet curable resin (UV resin) for example, in the front of transparent plastic sheet material, the available material of plastic sheet has PC (polycarbonate) or PET (polyethylene terephthalate) etc. by illumination (as ultraviolet ray) curing molding for it.In addition, radiation curing material of the present invention can also be the glue that illumination such as utilization sound, electricity, magnetic, heat radiation source in addition carries out radiation curing.Form sealed engagement between the periphery ofbutton film 31 and thebase 32, for example be bonded together by double faced adhesive tape, to realize comprehensive waterproof effect, even with the surface of a large amount of liquid pourings atbutton film 31, liquid can not penetrate into the inside of keyboard 3 andmain frame 21 yet.

Describedcontact film 33 comprises a flexible sheet, the lower surface of this flexible sheet is distributed with some and laterally dividesmuscle 331 and somelongitudinal subdivision muscle 332, describedhorizontal minute muscle 331 andlongitudinal subdivision muscle 332 are separated intoseveral grid 333 corresponding to several key bodies 311 on thebutton film 31 with this lower surface, be respectively equipped with a projection in eachgrid 333, each projection is corresponding with a key body 312 and a circuit contact 341 on the thinfilm circuit unit 34 on thebutton film 31 respectively.For square or be similar tosquare grid 333, the projection in it is protrudinggrain 334; Obviously greater than therectangular grid 333 of width, the projection in it is aconvex tendon 335 for length.

Claims (10)

1. waterproof computor-keyboard comprises button film, base and is arranged on contact film and thin film circuit unit between them, forms sealed engagement between the periphery of described button film and the described base;

It is characterized in that:

Described button film has comprised the waterproof flexible sheet of a permeable radiation and has been molded over several key bodies in this waterproof flexible sheet front by radiation curing material by radiation curing that the back side of described waterproof flexible sheet is attached with the ink lay of display button character.

2. waterproof computor-keyboard according to claim 1 is characterized in that:

Described contact film comprises a flexible sheet, and the position corresponding to each key body on the lower surface of this flexible sheet is respectively equipped with a projection, and each projection is corresponding with a circuit contact on the described thin film circuit unit respectively.

3. waterproof computor-keyboard according to claim 2 is characterized in that:

On the lower surface of described contact film, be distributed with height some horizontal muscle and some longitudinal subdivision muscle of dividing greater than described projection, described horizontal minute muscle and longitudinal subdivision muscle are separated into several grid corresponding to described several key bodies with this lower surface, and wherein each projection is positioned at a grid.

4. waterproof computor-keyboard according to claim 3 is characterized in that:

Described projection is protruding grain or convex tendon.

5. waterproof computor-keyboard according to claim 1 is characterized in that:

Also be provided with metal backing plate between described thin film circuit unit and the base.

6. waterproof computor-keyboard according to claim 1 is characterized in that:

The height of described key body is 0.4mm～1.6mm.

7. according to each described waterproof computor-keyboard of claim 1 to 6, it is characterized in that:

Described waterproof flexible sheet is the transparent plastic sheet material, and described radiation curing material is the illumination curing material, and it is molded over the front of described transparent plastic sheet material by illumination curing.

8. the notebook computer that has waterproff keyboard, comprise interconnective main frame and display screen, described main frame is provided with keyboard, this keyboard comprises the button film, be fixed in the base of main frame and be arranged on contact film and thin film circuit unit between button film and the base, forms sealed engagement between the periphery of described button film and the described base;

It is characterized in that:

Described button film has comprised the waterproof flexible sheet of a permeable radiation and has been molded over several key bodies in this waterproof flexible sheet front by radiation curing material by radiation curing that the back side of described waterproof flexible sheet is attached with the ink lay of display button character.

9. notebook computer according to claim 8 is characterized in that:

Described contact film comprises a flexible sheet, and the position corresponding to each key body on the lower surface of this flexible sheet is respectively equipped with a projection, and each projection is corresponding with a circuit contact on the described thin film circuit unit respectively; On the lower surface of described contact film, be distributed with height some horizontal muscle and some longitudinal subdivision muscle of dividing greater than described projection, described horizontal minute muscle and longitudinal subdivision muscle are separated into several grid corresponding to described several key bodies with this lower surface, and wherein each projection is positioned at a grid.

10. notebook computer according to claim 9 is characterized in that:

Described waterproof flexible sheet is the transparent plastic sheet material, and described radiation curing material is the illumination curing material, and it is molded over the front of described transparent plastic sheet material by illumination curing.

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