CN2519952Y

CN2519952Y - Keyboard with water drainage function

Info

Publication number: CN2519952Y
Application number: CN 01266345
Authority: CN
Inventors: 蔡锦成
Original assignee: Chicony Electronics Co Ltd
Current assignee: Chicony Electronics Co Ltd
Priority date: 2001-11-28
Filing date: 2001-11-28
Publication date: 2002-11-06
Anticipated expiration: 2011-11-28

Abstract

The utility model relates to a keyboard with drainage function, at least comprising a press key, an elastic body layer, a circuit board layer, a chassis and a sealing layer, the utility model is characterized in that at least one drain hole is arranged on the chassis, a drainage space is formed between the circuit board layer and the chassis by a separation device, the drainage space is communicated with the drain hole, the liquid, which is carelessly dumped to the keyboard, is eliminated through the drainage space and the drain hole, thus, the liquid, which is flowed into the keyboard through the press key, is rapidly discharged out of the keyboard by the drain hole through the drainage space, and the liquid can not be stored in the keyboard. Therefore, the utility model has the advantages that the operating function of the keyboard can be maintained.

Description

Keyboard with drain function

Technical field

The utility model relates to a kind of keyboard, particularly a kind of keyboard with drain function.

Background technology

General notebook computer 10 mainly comprises modules such as display screen 20, keyboard 30 and pedestal 40 as shown in Figure 1, and wherein: aforementioned display screen 20 and pedestal 40 are that the mat hinge means links one; Aforementioned keyboard 30 is to be arranged on the aforementioned pedestal 40; Aforementioned pedestal 40 inside are to hold the motherboard that surface mount has electronic components such as CPU, and this motherboard is the below that is positioned at aforementioned keyboard 30.

To shown in Figure 6, aforementioned keyboard 30 comprises: a plurality of buttons 31 as Fig. 2; Be positioned at aforementioned a plurality of button 31 belows, and the elastomer layer 33 of the fixing aforementioned a plurality of buttons 31 of carrying; Be positioned at the board layer 34 of aforementioned elastomer layer 33 belows; Be positioned at aforementioned circuit flaggy 34 belows and be used for fixing the chassis 35 of aforementioned elastomer layer 33 and board layer 34, be formed with flange 37 around this chassis 35; Reach, be attached to the sealant 38 of 35 belows, aforementioned chassis.

A plurality of holes 36 (referring to Fig. 4) that form with impact style that distributing, aforementioned chassis 35, and also form snapping, the fixing required lug (scheming not show) of aforementioned keys 31, elastomer layer 33 and board layer 34 during punching press in the lump.Aforementioned elastomer layer 33 and board layer 34 also are respectively equipped with the hole with the hole 36 corresponding to the chassis, pass with snapping, fixedly button 31, elastomer layer 33 and board layer 34 and be combined into one for aforementioned chassis 35 set lugs.Aforementioned chassis 35 also is provided with a plurality of bolts (figure do not show) in order to keyboard 30 be locked on the pedestal 40 and keep certain intervals with motherboard in the pedestal.

Aforementioned chassis 35 of carrying button 31, elastomer layer 33, board layer 34 must be made with hard, strong material especially because of the acting force that is subjected to the user to operate pressing keys 31, and metal for example is to prevent keyboard 30 flexural deformations; And the material that sealant 38 is selected for use must be fluid-tight thin slice material especially, as the usefulness of waterproof.

Because the formation of aforementioned keyboard 30 is to belong to known technology, does not repeat them here its thin portion structure.

Notebook computer 10 (please refer to Fig. 1) has compact property easy to carry, acquisition expenses thereby than being high in the desktop PC.When preventing this computer of user's Operational Note, accidentally liquid such as beverage are knocked over and sprinkle the notebook computer that damages costliness into keyboard 30, known keyboard 30 be provided with aforementioned sealant 38 in the chassis 35 lower surface, make keyboard 30 constitute a water proof type keyboard, its purpose promptly by the hole 36 on sealant 38 sealing chassis 35 with watertightness with stop sprinkle into liquid, liquid is stayed on the chassis 35 and can not flow to the motherboard of below by the hole 36 on chassis 35, to guarantee the motherboard damage of can not soaking, keep the operability of notebook computer.

Yet, though aforementioned chassis 35 because of be provided with flange 37 can accept sprinkle accidentally into liquid, the amount of accepting is limited after all.In the time of in too much liquid sprinkles into keyboard 30, liquid will overflow outside flange 37 and flow to the motherboard of keyboard 30 belows, cause the motherboard immersion to damage, can't operate.Both just the amount of accepting on the chassis 35 allow Fan Tunei, but this sprinkle into liquid can't put the pedestal mode to incline and it is poured out (when putting, liquid still can drip to motherboard) because of inclining, can only shut down and wait for that liquid evaporates dissipation in the spontaneous evaporation mode, very expend time in.

Known water proof type keyboard 30 only has water-proof function and does not have drain function, and its structural design obviously has disappearance and remains to be improved.

Summary of the invention

Technical problem to be solved in the utility model is the above-mentioned deficiency at prior art, and a kind of keyboard with drain function is being provided, this keyboard can be discharged the liquid that is poured into keyboard accidentally rapidly outside keyboard, avoid aforementioned liquids to lodge in the keyboard, to keep the operating function of keyboard.

Above-mentioned technical matters of the present utility model is realized by following technical scheme.

A kind of keyboard with drain function comprises: a plurality of buttons: the elastomer layer that is positioned at aforementioned a plurality of buttons below; Be positioned at the board layer of aforementioned elastomer layer below; Be positioned at aforementioned circuit flaggy below, be used for fixing the chassis of aforementioned keys, elastomer layer and board layer, it is characterized in that:

This chassis is provided with at least one osculum; And

Be provided with separating device between aforementioned circuit flaggy and chassis, this separating device of mat forms drainage space between aforementioned circuit flaggy and chassis, and this drainage space is the osculum in aforementioned chassis of communicating.

Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

Aforementioned separating device is the lower surface that forms and be distributed in the aforementioned circuit flaggy, and butt the upper surface on chassis.

Aforementioned separating device is the upper surface that forms and be distributed in aforementioned chassis, and butt the lower surface of board layer.

Aforementioned separating device is the upper surface that forms and be distributed in aforementioned circuit flaggy lower surface and aforementioned chassis respectively, and the escapement of aforementioned circuit flaggy is that separating device that butt the upper surface on chassis and aforementioned chassis is that the lower surface that butt board layer forms interconnected.

Aforementioned osculum is provided with the flange of downward extension.

Aforementioned keyboard is to settle in the inclination mode.

Below, aforementioned chassis is to stick together sealant is arranged.

The utlity model has the keyboard of drain function, mat drainage space and osculum are got rid of the liquid that is poured into keyboard accidentally, make and discharge outside keyboard by osculum rapidly through drainage space via the liquid of button inflow, avoid aforementioned liquids to lodge in the keyboard, to keep the operating function of keyboard.

The utility model compared with prior art, its advantage is:

Keyboard of the present utility model has drain function because of being provided with separating device to form drainage space and to be provided with the osculum that communicates, and can get rid of the liquid that sprinkles into keyboard, to keep the normal operation of computer, effectively improves the disappearance of known keyboard.

Aforementioned purpose of the present utility model, feature will be enumerated specific embodiment and being described in detail in conjunction with the accompanying drawings, and what only need to understand is, following accompanying drawing and for embodiment, just as explanation but not at restriction or shrinkage limit the utility model.

Description of drawings

Fig. 1 shows each deployed condition stereographic map of notebook computer.

Fig. 2 is the stereographic map that shows the known keyboard that is used in Fig. 1 notebook computer.

Fig. 3 is the vertical view of displayed map 2 keyboards.

Fig. 4 is the upward view of displayed map 2 keyboards.

Fig. 5 is the sectional structure chart of displayed map 3A-A.

Fig. 6 is displayed map 5 cut-away section amplification assumption diagrams.

Fig. 7 is the vertical view that shows the keyboard that the utlity model has drain function.

Fig. 8 is the upward view of displayed map 7 keyboards.

Fig. 9 is a displayed map 7B-B cut-away section amplification assumption diagram, demonstrates drainage space of the present utility model and osculum among the figure.

Figure 10 shows an embodiment again who forms Fig. 9 drainage space.

Figure 11 shows another embodiment that forms Fig. 9 drainage space.

Figure 12 shows the synoptic diagram that keyboard of the present utility model is settled with the angle of inclination with Fig. 7 C-C profile direction.

Embodiment

Please, the utlity model has the keyboard 50 of drain function, comprise at least: a plurality of buttons 31 referring to Fig. 7 to Fig. 9; Be positioned at aforementioned a plurality of button 31 belows, and the elastomer layer 33 of the fixing aforementioned a plurality of buttons 31 of carrying; Be positioned at the board layer 34 of aforementioned elastomer layer 33 belows; Be positioned at aforementioned circuit flaggy 34 belows, and be used for fixing the chassis 35 of aforementioned keys 31, elastomer layer 33 and board layer 34, be formed with flange 37 around this chassis 35; Reach, be attached to the sealant 38 of 35 belows, aforementioned chassis.Aforementioned formation all is same as given key dish 30.

The keyboard 50 that the utlity model has drain function is characterised in that: aforementioned chassis 35 is provided with at least one osculum 70, and the lower surface of aforementioned circuit flaggy 34 is formed with a plurality of separating devices 80, each separating device 80 equal butt the upper surface on chassis 35, form a drainage space 60 by the setting of separating device 80 at

board layer

34 and 35 on chassis, aforementioned drainage space 60 and aforementioned osculum 70 are for communicating.Aforementioned chassis 35 is because of being provided with osculum 70, and then sealant 38 promptly need not seal this hole, is very easily to understand.

When the computer operator knocks liquid such as beverage over when sprinkling into keyboard 50 accidentally, liquid flow to drainage space 60 via the fixing hole of space, elastomer layer 33 and board layer 34 snappings of 31 of buttons, afterwards again by osculum 70 flow to osculum 70 belows guide groove (figure do not show, be located in the pedestal 40), discharge outside the pedestal 40 with the liquid that will be poured into keyboard 50, avoid aforementioned liquids to lodge in the keyboard 50, to keep the operating function of keyboard 50.

Aforementioned drainage space 60 is located at 35 on board layer 34 and chassis, is that material because of board layer 34 is that the material on plastic cement and chassis 35 is a metal, and two material dampings little (friction factor is little) can not blocked liquid flow, could get rid of liquid rapidly.Is rubber as for elastomer layer 33 because of village's matter, and friction factor is little, can block liquid flow, so drainage space should not be located at 34 of elastomer layer 33 and board layers; But the lower surface of elastomer layer 33 reduces its friction factor if impose surface treatment, then still is fit to drainage space 60 is located at 34 of elastomer layer 33 and board layers.

Aforementioned separating device 80 is in one-body molded mode, and for example mode of printing is formed at the lower surface of board layer 34 and constitutes protruding granularly, uses the lower surface that causes board layer 34 and the distance between 35 upper surfaces of chassis to form drainage space 60.Through experiment, afore-mentioned distance is that 0.04mm promptly is enough to make liquid to circulate in this space.Aforementioned separating device 80 preferablies are four corners being located at button 31 lower positions.

Shown in second specific embodiment of Figure 10 the utility model separating device, separating device 81 is the upper surfaces that form and be distributed in aforementioned chassis 35, this separating device 81 is lower surfaces that butt board layer 34, forms drainage space 60 at

board layer

34 and 35 on chassis by this.Aforementioned separating device 81 is in one-body molded mode, and for example impact style is formed at the upper surface on chassis 35 and constitutes protruding granular.Aforementioned separating device 81 preferablies are four corners being located at button 31 lower positions.

Shown in the 3rd specific embodiment of Figure 11 the utility model separating device, be to form separating device 80 and 35 upper surfaces formation separating device 81 on the chassis at board layer 34 lower surfaces, separating device 80,81 submission mispairing are put, and so still have the drain function of Fig. 9 and each embodiment of Figure 10.

Aforesaid drain function in the broadest sense, the thing of being got rid of is not limited to water, the tea of liquid beverage, cola, coffee, carbonated drink or other ink or the like are not had a nocuity, corrosive liquids and all can such as.

Figure 12 with the θ angle that favours surface level 90 was for example once further demonstrating the keyboard 50 that the utlity model has drain function, was placed in pedestal 40 synoptic diagram of (figure does not show), by settling keyboard 50 in the inclination mode, more can obtain excellent drainage effect.

Certainly, the draining of osculum 70 for the benefit of is smooth and easy, and this osculum 70 can form the flange of downward extension in the lump when impact briquetting.

Claims

1, a kind of keyboard with drain function comprises: a plurality of buttons: the elastomer layer that is positioned at aforementioned a plurality of buttons below; Be positioned at the board layer of aforementioned elastomer layer below; Be positioned at aforementioned circuit flaggy below, be used for fixing the chassis of aforementioned keys, elastomer layer and board layer, it is characterized in that:

This chassis is provided with at least one osculum; And

2, according to the described keyboard with drain function of claim 1, it is characterized in that: aforementioned separating device is the lower surface that forms and be distributed in the aforementioned circuit flaggy, and butt the upper surface on chassis.

3, according to the described keyboard with drain function of claim 1, it is characterized in that: aforementioned separating device is the upper surface that forms and be distributed in aforementioned chassis, and butt the lower surface of board layer.

4, according to the described keyboard of claim 1 with drain function, it is characterized in that: aforementioned separating device is the upper surface that forms and be distributed in aforementioned circuit flaggy lower surface and aforementioned chassis respectively, and the escapement of aforementioned circuit flaggy is that separating device that butt the upper surface on chassis and aforementioned chassis is that the lower surface that butt board layer forms interconnected.

5, according to the described keyboard with drain function of claim 1, it is characterized in that: aforementioned osculum is provided with the flange of downward extension.

6, according to the described keyboard with drain function of claim 1, it is characterized in that: aforementioned keyboard is to settle in the inclination mode.

7, according to the described keyboard with drain function of claim 1, it is characterized in that: below, aforementioned chassis is sticked together sealant is arranged.