CN1176479C - Lifting key device - Google Patents
Lifting key device Download PDFInfo
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- CN1176479C CN1176479C CNB011006013A CN01100601A CN1176479C CN 1176479 C CN1176479 C CN 1176479C CN B011006013 A CNB011006013 A CN B011006013A CN 01100601 A CN01100601 A CN 01100601A CN 1176479 C CN1176479 C CN 1176479C
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Abstract
The present invention relates to an elevation type key device which comprises a key top cover, a base board, a scissor device and a guide block, wherein the scissor device comprises two cross connecting rods, both ends of the scissor device are respectively connected with the base board and the key top cover, and the scissor device can cause the key top cover to move up and down by corresponding to the base board; the guide block is arranged on the base board in a moveable mode and can move between two positions. When the guide block moves from the second position to the first position, the second connecting rod is pressed by the guide block to cause the key top cover to be elevated down by corresponding to the base board; when the guide block moves from the first position to the second position, the second connecting rod is released by the guide block to cause the key top cover to be elevated up by corresponding to the base board. The key device is convenient for use and collection.
Description
The relevant a kind of keyboard of the present invention, particularly a kind of lifting key device that is used for computor-keyboard, it can be used for the notebook computer keyboard, mainly is to utilize a removable guide plate, the height of keyboard is reduced, so that be collecting state.
Existing notebook computer, button on its keyboard is normally constructed at a rubber with the shear-type key structure and is reached on the relevant touch-control circuit, its single button as shown in Figure 1, wherein button 1 is located on the substrate 10, including a button top cover 11 that directly knocks for the envoy and one can be for the scissors apparatus 12 of button top cover 11 liftings, this scissors apparatus 12 adopts the disymmetry connecting rod to be crossed as rotating scissors configuration, in the middle of two connecting rods of scissors apparatus 12 and button top cover 11 below form an accommodation space, provide the rubber elasticity body 13 of pushing restoring force for being provided with one, this rubber elasticity body 13 is generally hollow form, then is provided with relevant touch-control circuit (not shown) on the substrate 10 of portion or below within it.
In the following description, in the diagram for button 1 and symmetrical scissors apparatus 12, will only show the connecting rod that it is one-sided, and omit rubber elasticity body 13 and relevant touch-control circuit in the side-looking mode.
See also shown in Figure 2, it is the generalized section of an existing shear-type key structure, wherein, scissors apparatus 12 is erected at 10 of the bottom side 100 of button top cover 11 and substrates, this scissors apparatus 12 comprises a first connecting rod 121 and a second connecting rod 122, and first connecting rod 121 and second connecting rod 122 are articulated in a pivoting point 123 in its stage casing, form and intersect and relatively turnable scissor structure; At first connecting rod 121 is that 110 extended first flanges 1101 in bottom side with its first upper end 1211 and button top cover 11 form the pivot joint of rotating and cooperate, relative to first lower end 1212 of the first connecting rod 121 of first upper end 1211 then with substrate 10 on 101 formation of extended the 3rd flange slidably cooperate with the pivot slippage of rotating; Second connecting rod 122 is to form slidably with extended second flanges 1102 in 110 of its second upper end 1221 and button top cover 11 bottom sides to cooperate with the pivot slippage of rotating, and the pivot joint that 102 formation of extended the 4th flange are rotated on 1222 of second lower ends of the second connecting rod 122 of second upper end 1221 and substrate 10 cooperates.
As shown in Figure 2, in the existing shear-type key, first connecting rod 121 and the second connecting rod 122 that articulates form the scissor lowering or hoisting gear (that is scissors apparatus 12) of a balance, the force side is a button top cover 11, the two ends of each connecting rod (first connecting rod 121 or second connecting rod 122) then cooperate and slidably cooperate with the pivot slippage of rotating with the pivot joint of setting up thing (being button top cover 11 and substrate 10) formation rotation respectively, like this, can be when pressing keys, one side (side that contains first upper end 1211 and second lower end 1222) of scissors apparatus 12 is maintained on the same vertical line L, and another side (side that contains second upper end 1221 and first lower end 1212) is then carried out the oscilaltion of horizontal-shift by the enough and to spare stroke that is slidingly matched.
Because the development rapidly of electronic product now, electric equipment products all require short and small frivolous, be easy to carry, and notebook computer particularly, this kind keyboard just is far from suitable, and can make the notebook computer volume excessive not portable.
Main purpose of the present invention is to provide a kind of lifting key device that reduces keyboard thickness, but mainly is to utilize one to move horizontally guide plate and make the button vertical lift.
Another object of the present invention is to provide a kind of lifting key device that when computer does not use, can be in collecting state.
For achieving the above object, the present invention takes following technical measures:
A kind of lifting key device of the present invention comprises:
A button top cover;
A substrate;
A scissors apparatus, it comprises two connecting rods, and two connecting rods are crossed as rotating scissors configuration, and the two ends of scissors apparatus connect substrate and button top cover respectively; Scissors apparatus can allow the relative substrate of button top cover to move up and down;
Also comprise a guide block;
This guide block movably is arranged on the substrate, and can move between a primary importance and a second place;
When guide block by the second place when primary importance moves, guide block compressing second connecting rod makes the button top cover descend with respect to substrate, when guide block was shifted to the second place by primary importance, guide block discharged second connecting rod, makes the button top cover be the rising shape with respect to substrate.
Wherein, also comprise an elastomer, it is arranged between described substrate and the button top cover, and when described guide block discharged described second connecting rod, elastomeric elastic force can make the button top cover be the rising shape with respect to substrate.
Wherein, also comprise a guide plate that is located on the described substrate, described guide block is arranged on the guide plate, and guide plate also can move horizontally with respect to substrate, moves between the described primary importance and the second place to drive guide block.
Wherein, also comprise a guide plate that is located under the described substrate, described guide block is arranged on the guide plate, the corresponding position of substrate is provided with an opening, guide block is worn by this opening and is projected upwards in substrate, guide plate also can move horizontally with respect to substrate, moves between the described primary importance and the second place to drive guide block.
Wherein, the corresponding described substrate in the lower end of described second connecting rod forms to rotate to articulate and cooperates, the upper end of second connecting rod connects described button top cover, when guide block by the second place when primary importance moves, guide block compressing second connecting rod, making second connecting rod is the rotating shaft rotation with its lower end, makes the second connecting rod upper end drive the button top cover downwards, and the button top cover is descended with respect to substrate.
A kind of liftable key board unit of the present invention comprises: a substrate, several button top covers, several scissors apparatus and a guide plate.
Several scissors apparatus comprise: one first scissors apparatus and one second scissors apparatus.First scissors apparatus comprises a first connecting rod and a second connecting rod, this two connecting rod is crossed as rotating scissors configuration, the first scissors apparatus two ends connect the substrate and the first button top cover respectively, utilize first scissors apparatus can allow the relative substrate of the first button top cover to move up and down.
Second scissors apparatus comprises a third connecting rod and one the 4th connecting rod, two connecting rods are crossed as rotating scissors configuration, the second scissors apparatus two ends connect the substrate and the second button top cover respectively, utilize second scissors apparatus can allow relative this substrate of the second button top cover to move up and down.
Guide plate is movably to be arranged on the substrate, and can between a primary importance and a second place, move, have one first guide block and one second guide block on the guide plate, when guide plate by the second place when primary importance moves, first guide block and second guide block are oppressed second connecting rod and the 4th connecting rod respectively, the first button top cover and the second button top cover are descended with respect to substrate, when guide plate is shifted to the second place by primary importance, first guide block and second guide block discharge second connecting rod and the 4th connecting rod respectively, make this first button top cover and the second button top cover to rise with respect to substrate.
Reaching embodiment in conjunction with the accompanying drawings is described in detail as follows architectural feature of the present invention:
The simple declaration of accompanying drawing:
Fig. 1: a kind of schematic perspective view of existing shear-type key;
Fig. 2: the cutaway view of existing shear-type key;
Fig. 3: the three-dimensional exploded view of lifting key device embodiment of the present invention;
Fig. 4 A: the cutaway view the when guide plate among Fig. 3 is positioned at the second place;
Fig. 4 B: the cutaway view the when guide plate among Fig. 3 is positioned at primary importance;
Fig. 5: the three-dimensional exploded view of another embodiment of lifting key device of the present invention;
Fig. 6: the operate condition schematic diagram of another embodiment of lifting key device of the present invention.
See also shown in Fig. 3,4, it is the three-dimensional exploded view of lifting key device embodiment of the present invention; Wherein, button 1 comprises: a substrate 10 which is provided with a trip 103 and at least one runners 104; A soft circuit board is located on the substrate 10, and soft circuit board is provided with respect to trip fluting 161 of trip 103 and with respect at least one runners fluting 162 of runners 104; One sheet elastic layer is provided with a bowl-shape elastomer 13, correspond to a trip opening of trip and a runners opening of corresponding runners 104; In the present embodiment, runners 104 and runners fluting 162 are respectively two, and the runners opening can be inserted two runners 104 simultaneously; A guide plate 14 is provided with at least one guide block 141 and a fluting 144, is provided with two limit stop 146 in the fluting 144; A button top cover 11 that supplies the user of service directly to knock; One can be for the scissors apparatus 12 of button top cover 11 liftings; In the present invention, the trip 103 on the substrate 10 and two runners 104 pass the corresponding opening of soft circuit board and sheet elastic layer and protrude in the fluting 144 of guide plate 14.Scissors apparatus 12 is a linkage, have two connecting rods 121 and 122 altogether, so connecting 11 with four ends (two first upper end 1211 with two second upper ends 1221) with the button top cover altogether is connected, in addition three ends (first lower end 1212 with two second lower ends 1222) are connected with the trip 103 and the runners 104 of substrate 10, and the dual side-edge conflict limit stop 146 of first lower end 1212, to avoid guide plate 14 and sheet elastic layer to separate, utilize scissors apparatus 12 can allow button top cover 11 relative substrates 10 to do the oscilaltion campaign, but on the implementation, also wantonly two continuous common ends can be separated into the end of two symmetries, or the end of wantonly two symmetries is connected to form a common end, for example, two second lower ends 1222 are connected to become a common lower end, this type of deformation utilization, known by haveing the knack of this type of operator, this no longer superfluous chatting.
In the middle of two connecting rods of scissors apparatus 12, the below of button top cover 11 forms an accommodation space, is provided with for bowl-shape elastomer 13, and this bowl-shape elastomer is generally hollow form, thereunder be provided with soft circuit board and press down the generation corresponding signal for bowl-shape elastomer, this does not repeat them here for prior art.
See also Fig. 4 A and Fig. 4 B, it is respectively the cutaway view of Fig. 3 when this guide plate is positioned at the second place and primary importance, scissors apparatus 12 is erected between the bottom side 110 and substrate 10 of button top cover 11, it comprises a first connecting rod 121 and a second connecting rod 122, first connecting rod 121 and a pivoting point 123 formation cross-like of second connecting rod 122 with its stage casing, and can relatively rotate; At first connecting rod 121 is that 110 extended first flanges 1101 in bottom side with its first upper end 1211 and button top cover 11 form rotating pivot joints and cooperate, and extended trip 103 formation slidably cooperate with the pivot slippage of rotating on 1212 of first lower ends of first upper end 1211 and substrate 10; Second connecting rod 122 is to form slidably with extended second flanges 1102 in 110 of its second upper end 1221 and button top cover 11 bottom sides to cooperate with the pivot slippage of rotating, and the pivot joint that extended runners 104 formation are rotated on second lower end 1222 of second upper end 1221 and substrate 10 cooperates.
Button in the liftable key device of the present invention, first connecting rod 121 and the second connecting rod 122 that articulates form the scissor lowering or hoisting gear (that is scissors apparatus 12) of balances, the force side is a button top cover 11, the two ends of each connecting rod (first connecting rod 121 or second connecting rod 122) then respectively with set up the rotating pivot joint of thing (and button top cover 11 and substrate 10) formation and cooperate, and slidably cooperate with the pivot slippage of rotating, like this, can be when the button pressing operation, one side (side that contains first upper end 1211 and second lower end 1222) of scissors apparatus 12 is maintained on the same vertical line L, and another side (side that contains second upper end 1221 and first lower end 1212) is then carried out the oscilaltion of horizontal-shift by the stroke that is slidingly matched.
Wherein, between substrate 10 and button top cover 11, be provided with a guide plate 14, this guide plate 14 has several fluting 144 (see figure 5)s that are provided with predetermined arrangement mode, the edge of fluting 144 is provided with at least one guide block 141, guide block 141 is between substrate 10 and pivoting point 123, and correspond to second connecting rod 122, this scissors apparatus 12 passes fluting 144 and extends to these button top cover 11 directions, guide plate 14 can be done parallel moving with respect to substrate 10, when guide plate 14 moves, guide block 141 utilizes and the guide plate 14 perpendicular side covers that are connected 1412, makes the guide block 141 that is the inverted L shape structure move along with moving of guide plate 14.
When wherein this guide plate 14 moves horizontally on substrate 10, promptly move to the situation of Fig. 4 B by its Fig. 4 A, the loam cake 1411 that parallels with guide plate 14 in the guide block 141 is to contact second connecting rod 122 gradually with a horizontal movement, because loam cake 1411 transmits the horizontal applied force that impels horizontal movement fully, so promptly oppress second connecting rod 122 behind the loam cake 1411 contact second connecting rods 122,10 extended runners 104 of second lower end 1222 of second company brave 122 and substrate form to rotate to articulate and cooperate, second lower end 1222 becomes a rotating shaft, make second connecting rod 122 approach substrate 10 around this rotating shaft, second upper end 1221 of its second connecting rod 122 forms slidably with button top cover 11 and is slidingly matched with the commentaries on classics of rotating, move mutually with second flange 1102, drive button top cover 11, button top cover 11 is descended with respect to substrate 10.Because guide block 141 is to second connecting rod 122 application of forces with horizontal movement, so when second connecting rod 122 trends towards level more, the horizontal component of the horizontal applied force that its loam cake 1411 is transmitted can make second connecting rod 122 can absorb the horizontal component that loam cake 1411 is transmitted more, can reach guide plate 14 and can move horizontally with the less application of force.
When moving to the process of Fig. 4 A by its Fig. 4 B, guide block 141 is in the state that discharges second connecting rod 122, scissors apparatus 12 breaks away from the effect of horizontal direction power at this moment, so the elastic force that 11 of button top covers are made progress by rubber elasticity body 13 (as Fig. 3) can make button top cover 11 rise with respect to substrate 10.
In the present embodiment, key device also comprises at least one actuating portion 15, actuating portion 15 has one first support 151, second support 152 and a flexible member 153, first end 1511 of first support 151 is articulated on the substrate 10, and first end 1521 of second support 152 is articulated on the guide plate 14; Second end 1512 of first support 151 is connected with second end 1522 of second support 152, one end of flexible member 153 is arranged on an appropriate location of actuating portion 15, the other end is connected on the substrate 10, when forcing in actuating portion 15, flexible member 153 is subjected to force compresses, actuating portion 15 is a fixed point with first end 1511 of first support 151 that is connected substrate 10, first end 1521 of second support 152 is moved to horizontal direction by application of force effect, guide plate 14 is moved to primary importance by the second place, when the application of force removes, flexible member 153 recovers elastic force actuating portion 15 is upwards pushed up, guide plate 14 is moved to the second place by primary importance, do conversion to finish shown in Fig. 4 A and Fig. 4 B state.
Shown in Fig. 5,6, another embodiment of its expression lifting key device of the present invention; Wherein, guide plate 14 is located at the below (as shown in Figure 5) of substrate 10, guide block 141 is arranged on the guide plate 14, substrate 10 is provided with an opening 145 on corresponding position, guide block 141 passes opening 145 and projects upwards in substrate 10, when guide plate 14 moved, guide block 141 utilized and the guide plate 14 perpendicular side covers that are connected 1412, made guide block 141 oppress or discharge the connecting rod of scissors apparatus 12 along with moving of guide plate 14.
When guide plate 14 carried out horizontal direction mobile, guide block 141 moved with guide plate 14 and oppresses second connecting rod 122, and button top cover 11 is descended with respect to substrate 10, when guide block 141 discharges second connecting rods 122, button top cover 11 can be risen with respect to substrate 10.
Among the present invention, aforesaid substrate 10 is single platy structures, but when practice, substrate 10 also can constitute the substrate 10 of combined type, promptly can plate stacked, insert and put or otherwise constitute press-key structure scissors apparatus set up pedestal, for example, at United States Patent (USP) the 5th, 463, No. 195 and the 5th, in 399, No. 822 patents, the formation of its substrate is promptly adopted to add to put with stacked mode and is made.
In above stated specification of the present invention, the liftable key device is to set up on the jockey of second connecting rod 122 and substrate 10, but it also can be set up liftable key device of the present invention on the jockey of first connecting rod 121 and substrate 10 through suitable adjustment; And this type of the personnel that have the knack of this type of technology that are adjusted into can implement easily according to above stated specification of the present invention, so the class adjustment does not exceed protection scope of the present invention.
As shown in Figure 6, it is for the operate condition schematic diagram of another embodiment of lifting key device of the present invention; Wherein, this notebook computer has a body portion 2 and one and can be pivoted by pivoting device 4, and cover screen section 3 in the body portion 2, key board unit is arranged in the body portion 2, body portion 2 is provided with at least one actuating portion 15, actuating portion 15 interlocks make guide plate 14 can move in horizontal direction with respect to substrate 10 in guide plate 14.
Actuating portion 15 has one first support 151, one second support 152 and a flexible member 153, screen section 3 has a touch part 31, when screen section 3 and body portion 2 are in one when covering state (solid line position), touch part 31 compressing actuating portions 15 make flexible member 153 be subjected to force compresses, actuating portion 15 is a fixed point with first support 151 that is connected in substrate 10, second support 152 is moved to horizontal direction by application of force effect, guide plate 14 is moved to primary importance 142 by the second place 143, make button be in a button free height state than low level, to utilize the height reduction of button, reach the purpose that lowers body portion height; And screen section 3 pivots when starting (dotted line position) in body portion 2, actuating portion 15 is left in touch part 31, flexible member 153 recovers elastic force actuating portion 15 is upwards pushed up, guide plate 14 is moved to the second place 143 by primary importance 142, make button be in the button free height state of a high bit, like this, make notebook computer when utilization, can have outstanding keyboard.
In aforesaid structure, touch part 31 is that the mode with briquetting constitutes, and among other embodiment, 31 of its touch parts can constitute a cam structure that is located in the screen section 3, when this cam starts in the screen section 3 of notebook computer, can will make button reach a higher button free height state; Certainly, in utilization of the present invention, its touch part 31 multiple similar structure of can deriving, this type of distortion is to have the knack of this type of operator to know, so this no longer superfluous chatting.
Compared with prior art, the present invention has following effect:
In sum, liftable key device provided by the present invention, but utilize a guide plate that can move horizontally to make the button vertical lift, and it also can make the keyboard of notebook computer can have different keyboard height, form a user mode and a collecting state, easy to use and collection.
Foregoing is to utilize embodiment that technical characterictic of the present invention is described, is not to be used to limit protection scope of the present invention, even there is the people to change slightly on the basis of the present invention's design, must belong in protection scope of the present invention.
Claims (15)
1. lifting key device comprises:
A button top cover;
A substrate;
A scissors apparatus, it comprises two connecting rods, and two connecting rods are crossed as rotating scissors configuration, and the two ends of scissors apparatus connect substrate and button top cover respectively; Scissors apparatus can allow the relative substrate of button top cover to move up and down;
It is characterized in that, also comprise a guide block, an elastomer and a guide plate that is located on the described substrate; Wherein
This guide block movably is arranged on the substrate, and can move between a primary importance and a second place; When guide block by the second place when primary importance moves, guide block compressing second connecting rod makes the button top cover descend with respect to substrate, when guide block was shifted to the second place by primary importance, guide block discharged second connecting rod, makes the button top cover be the rising shape with respect to substrate;
This elastomer is arranged between described substrate and the button top cover, and when described guide block discharged described second connecting rod, elastomeric elastic force can make the button top cover be the rising shape with respect to substrate;
Described guide block is arranged on the guide plate, and guide plate also can move horizontally with respect to substrate, moves between the described primary importance and the second place to drive guide block.
2. lifting key device comprises:
A button top cover;
A substrate;
A scissors apparatus, it comprises two connecting rods, and two connecting rods are crossed as rotating scissors configuration, and the two ends of scissors apparatus connect substrate and button top cover respectively; Scissors apparatus can allow the relative substrate of button top cover to move up and down;
It is characterized in that, also comprise a guide block, an elastomer and a guide plate that is located under the described substrate; Wherein
This guide block movably is arranged on the substrate, and can move between a primary importance and a second place; When guide block by the second place when primary importance moves, guide block compressing second connecting rod makes the button top cover descend with respect to substrate, when guide block was shifted to the second place by primary importance, guide block discharged second connecting rod, makes the button top cover be the rising shape with respect to substrate;
This elastomer is arranged between described substrate and the button top cover, and when described guide block discharged described second connecting rod, elastomeric elastic force can make the button top cover be the rising shape with respect to substrate;
Described guide block is arranged on the guide plate, and the corresponding position of substrate is provided with an opening, and guide block is worn by this opening and projected upwards in substrate, and guide plate also can move horizontally with respect to substrate, moves between the described primary importance and the second place to drive guide block.
3. lifting key device as claimed in claim 1 or 2, it is characterized in that, the corresponding described substrate in the lower end of described second connecting rod forms to rotate to articulate and cooperates, the upper end of second connecting rod connects described button top cover, when guide block by the second place when primary importance moves, guide block compressing second connecting rod, making second connecting rod is the rotating shaft rotation with its lower end, make the second connecting rod upper end drive the button top cover downwards, the button top cover is descended with respect to substrate.
4. liftable key board unit comprises:
A substrate;
One first button top cover;
One first scissors apparatus, first scissors apparatus comprises two connecting rods, two connecting rods are crossed as rotating scissors configuration, and the two ends of first scissors apparatus connect the substrate and the first button top cover respectively, utilize first scissors apparatus can allow relative this substrate of the first button top cover to move up and down;
One second button top cover; One second scissors apparatus, second scissors apparatus comprises a third connecting rod and one the 4th connecting rod, this two connecting rod is crossed as rotating scissors configuration, the two ends of second scissors apparatus are connected to the substrate and the second button top cover, utilize second scissors apparatus can allow the relative substrate of the second button top cover to move up and down;
It is characterized in that, also comprise: a guide plate and two elastomers;
This guide plate movably is arranged on the substrate, and can move between a primary importance and a second place, has two guide blocks on this guide plate; When guide plate by the second place when primary importance moves, first guide block and second guide block are oppressed second connecting rod and the 4th connecting rod respectively, and the first button top cover and the second button top cover are descended with respect to substrate; When guide plate was shifted to the second place by primary importance, first guide block and second guide block discharged second connecting rod and the 4th connecting rod respectively, and the first button top cover and the second button top cover can be risen with respect to substrate;
Described two elastomers are separately positioned between described substrate and described first and second button top cover, when described first and second guide block discharges described second connecting rod and the 4th connecting rod respectively, utilize two elastomeric elastic force, first and second button top cover is risen with respect to substrate.
5. key board unit as claimed in claim 4 is characterized in that described guide plate is located on the described substrate.
6. key board unit as claimed in claim 4 is characterized in that, described guide plate is located under the described substrate, and guide block is arranged on the guide plate, and the corresponding position of substrate is provided with an opening, and guide block is then worn by opening and projected upwards in substrate.
7. key board unit as claimed in claim 4 is characterized in that, also comprises at least one actuating portion, and actuating portion has two supports and a flexible member; First end of first support is articulated in described substrate, and first end of second support is articulated in described guide plate, and second end of first support is connected with second end of second support, and an end of flexible member is arranged at an appropriate location of actuating portion, other end butt substrate;
When user's towing tension during in actuating portion, flexible member is subjected to force compresses, actuating portion is a fixed point with first end of first support that is connected in substrate, first end of second support is moved by application of force effect along continuous straight runs, guide plate is moved to primary importance by the described second place, when the application of force removed, the recovery elastic force of flexible member upwards pushed up actuating portion, and guide plate is moved to the second place by primary importance.
8. key board unit as claimed in claim 4 is characterized in that, described second is connected described substrate respectively with the lower end of the 4th connecting rod, forms the pivot joint of rotating and cooperates, and its upper end connects described first and second button top cover respectively; When described guide plate by the described second place when primary importance moves, described first and second guide block is oppressed second connecting rod and the 4th connecting rod respectively with moving of guide plate, make that the second and the 4th connecting rod is the rotating shaft rotation with its lower end respectively, and the upper end that makes the second and the 4th connecting rod drives first and second button top cover respectively downwards, and then first and second button top cover is descended with respect to substrate.
9. key board unit as claimed in claim 4, it is characterized in that described guide plate has at least two limit stop, limit stop extend to described first with the lower end of third connecting rod, utilize connecting rod lower end conflict limit stop, on described substrate, move with horizontal direction with the restriction guide plate.
10. notebook computer key board unit, notebook computer has a body portion and the screen section that can pivot and cover on the body, and key board unit is arranged in the body portion, comprising:
A substrate;
One first button top cover;
One first scissors apparatus, this first scissors apparatus comprises two connecting rods, two connecting rods are crossed as rotating scissors configuration, and the first scissors apparatus two ends connect the substrate and the first button top cover respectively, utilize first scissors apparatus can allow the relative substrate of the first button top cover to move up and down;
One second button top cover;
One second scissors apparatus, second scissors apparatus comprises a third connecting rod and one the 4th connecting rod, two connecting rods are crossed as rotating scissors configuration, the two ends of second scissors apparatus are connected to the substrate and the second button top cover, utilize second scissors apparatus can allow the relative substrate of the second button top cover to move up and down;
A guide plate, guide plate movably is arranged on the substrate, and can between a primary importance and a second place, move, have one first guide block and one second guide block on the guide plate, when guide plate by the second place when primary importance moves, first guide block and second guide block are oppressed second connecting rod and the 4th connecting rod respectively, the first button top cover and the second button top cover are descended with respect to substrate, when guide plate is shifted to the second place by primary importance, first guide block and second guide block discharge second connecting rod and the 4th connecting rod respectively, and the first button top cover and the second button top cover can be risen with respect to substrate;
At least one actuating portion, actuating portion interlock makes guide plate do moving of horizontal direction with respect to substrate in guide plate;
Wherein also comprise two elastomers, described two elastomers are separately positioned between described substrate and described first and second button top cover, when described first and second guide block discharges second connecting rod and the 4th connecting rod respectively, utilize two elastomeric elastic force, first and second button top cover is risen with respect to substrate.
11. notebook computer key board unit as claimed in claim 10 is characterized in that described guide plate is located on described substrate.
12. notebook computer key board unit as claimed in claim 10 is characterized in that, described guide plate is located under the described substrate, and guide block is arranged on the guide plate, and the opposite position of substrate is provided with an opening, and guide block is worn by opening and projected upwards in substrate.
13. notebook computer key board unit as claimed in claim 10, it is characterized in that, described second is connected described substrate respectively with the lower end of the 4th connecting rod, forming the pivot joint of rotating cooperates, its upper end connects described first and second button top cover respectively, when guide plate by the described second place when primary importance moves, described first and second guide block is oppressed second connecting rod and the 4th connecting rod respectively with moving of guide plate, making the second and the 4th connecting rod is the rotating shaft rotation with its lower end respectively, make the second and the 4th small end drive first and second button top cover respectively downwards, and then first and second button top cover is descended with respect to substrate.
14. notebook computer key board unit as claimed in claim 10, it is characterized in that, described actuating portion has two supports and a flexible member, first end of first support articulates substrate, first end of second support articulates guide plate, second end of first support is connected with second end of second support, and an end of flexible member is arranged on an appropriate location of actuating portion, other end butt substrate; Screen section has a touch part, when described screen section and described body portion are in when covering state, touch part compressing actuating portion makes flexible member be subjected to force compresses, actuating portion is a fixed point with first end of first support that is connected in substrate, first end of second support is moved to horizontal direction by application of force effect, guide plate is moved to primary importance by the described second place, when screen section pivots in body portion when starting, actuating portion is left in the touch part, flexible member recovers elastic force actuating portion is upwards pushed up, and guide plate is moved to the second place by primary importance.
15. notebook computer key board unit as claimed in claim 10, it is characterized in that, described guide plate has at least two limit stop, limit stop extend to described first with the lower end of third connecting rod, utilize connecting rod lower end conflict limit stop, can limit guide plate and on described substrate, move with the horizontal movement direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011006013A CN1176479C (en) | 2001-01-09 | 2001-01-09 | Lifting key device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011006013A CN1176479C (en) | 2001-01-09 | 2001-01-09 | Lifting key device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1363941A CN1363941A (en) | 2002-08-14 |
| CN1176479C true CN1176479C (en) | 2004-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011006013A Expired - Lifetime CN1176479C (en) | 2001-01-09 | 2001-01-09 | Lifting key device |
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| Country | Link |
|---|---|
| CN (1) | CN1176479C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI649773B (en) * | 2018-06-26 | 2019-02-01 | 達方電子股份有限公司 | Pivot mechanism and height adjusting mechanism for changing modes of a retractable keyboard |
Families Citing this family (11)
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| CN101609758B (en) * | 2008-06-16 | 2011-10-12 | 达方电子股份有限公司 | Push-button structure |
| CN104517768B (en) * | 2013-09-30 | 2017-07-18 | 致伸科技股份有限公司 | Press-key structure with scissor connecting element |
| CN105336531B (en) * | 2014-08-08 | 2019-04-26 | 联想(北京)有限公司 | A kind of input unit and portable electronic device |
| CN104201025B (en) * | 2014-08-12 | 2016-05-11 | 苏州达方电子有限公司 | Press-key structure |
| CN109314007B (en) * | 2015-04-02 | 2020-07-24 | 陈�峰 | Key switch device adopting ultrathin and ultra-small metal scissor legs |
| TWI601172B (en) * | 2016-03-25 | 2017-10-01 | 致伸科技股份有限公司 | Keyboard |
| CN107369586A (en) * | 2016-05-13 | 2017-11-21 | 致伸科技股份有限公司 | Press-key structure |
| TWI623956B (en) * | 2016-06-08 | 2018-05-11 | 致伸科技股份有限公司 | Key structure |
| CN107516607A (en) * | 2016-06-15 | 2017-12-26 | 致伸科技股份有限公司 | Press-key structure |
| CN108206112B (en) * | 2016-12-16 | 2021-04-20 | 华为机器有限公司 | Key assembly, keyboard and mobile terminal |
| CN111601488B (en) * | 2020-06-03 | 2021-05-11 | 江苏爱仕特电子科技有限公司 | Turnover mechanism and self-opening and self-closing massage chair control box |
-
2001
- 2001-01-09 CN CNB011006013A patent/CN1176479C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI649773B (en) * | 2018-06-26 | 2019-02-01 | 達方電子股份有限公司 | Pivot mechanism and height adjusting mechanism for changing modes of a retractable keyboard |
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| Publication number | Publication date |
|---|---|
| CN1363941A (en) | 2002-08-14 |
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