CN105390308B - A kind of key switch of the metal plate scissor support of flexible hook position limiting structure - Google Patents
A kind of key switch of the metal plate scissor support of flexible hook position limiting structure Download PDFInfo
- Publication number
- CN105390308B CN105390308B CN201510539448.5A CN201510539448A CN105390308B CN 105390308 B CN105390308 B CN 105390308B CN 201510539448 A CN201510539448 A CN 201510539448A CN 105390308 B CN105390308 B CN 105390308B
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- China
- Prior art keywords
- key
- metal plate
- keycap
- scissor
- lug boss
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
- H01H13/22—Driving mechanisms acting with snap action
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- Push-Button Switches (AREA)
Abstract
The key switch of the metal plate scissor support of the cantilever spring hook position limiting structure of one kind of the invention, it is characterized in that: the scissor supports 16 punch formings on metal plate；The scissor support 16 forms flexible metal plate elastic cantilever 20, and the scissor support 16 has stamping forming scissors disconnecting prevention structure；Key positive stop lug boss 45 is provided on keycap 1, the scissor support 16 mutually supported is cooperated by the limit of the key positive stop lug boss 45 of scissors disconnecting prevention structure and keycap 1, and key is prevented to deviate from or keycap 1 is limited in limes superiors position；The key switch of the metal scissor leg structure can be widely applied to computer keyboard, palmtop computer, all kinds of embedded keyboards and carrying out and stroke the key switch of operation.Scissors foot-supporting structures intensity and the rigidity of structure greatly improve, and metal scissor realizes miniaturization that is ultralight, ultra-thin and further realizing key apparatus.
Description
Prioity claim:
The claims in the present invention 1, on 06 15th, 2,015 2, the 7--9 requirement Shens submitted to China national intellectual property evidence
It please the claim 42~46 of number application for a patent for invention for being 2015103291395 and the priority of corresponding embodiment；
The claims in the present invention 1 plus claim 10 require submit to China national intellectual property evidence on 04 05th, 2015
Application No. is the claim 1 of 2015101574277 application for a patent for invention and the priority of corresponding embodiment；
The claims in the present invention 3, claim 1 plus claim 10 require September in 2014 21 days to China national knowledge
Application No. is the excellent of the claim 49 of 2014104821017 application for a patent for invention and corresponding embodiment according to submitting for property right
First weigh；
The claims in the present invention 4, claim 1 plus claim 10 require September in 2014 01 day to State Intellectual property right
According to submitting, application No. is the preferential of the claim 49 of 2014104403675 application for a patent for invention and corresponding embodiment
Power；
The claims in the present invention 5 plus claim 6 require submit to China national intellectual property evidence on 08 30th, 2014
Application No. is the claim 49 of 2014104362497 application for a patent for invention and the priority of corresponding embodiment.
Technical field
The present invention relates to the key switch for the operation that stroke, in particular to the input dress as electronic instrument is loaded in
The key switch in keyboard set.The invention further relates to the keyboards for being equipped with multiple this key switch.
Background technique
It is slim in the portable electronic devices such as laptop type or palmtop computer being assemblied in, i.e. low clearance type
In keyboard, it is desirable that carry out the low level of the key switch of beating operation, and improve its operability i.e. good hand touch --- --.
Under normal circumstances, can the key switch used in low clearance type keyboard be equipped with: support plate is (for example, sheet metal or key
The lower raft of disk)；Keycap square on the supporting plate is set；Mutually link and be mounted on the top of support plate towards vertical direction
Guide and support a pair of of plastics scissors foot part of keycap；The switch of the contact portion of elevating movement opening and closing circuit corresponding to keycap
Mechanism.Pass through a pair of of plastics scissors foot partIt is mutually in step linkage, keycap can relative to support plate, towards substantially perpendicular direction
The posture of support plate is remained parallel to, while carrying out elevating movement.The operating characteristic of stroking of key switch will receive the key
The path increment of the lifting action of cap, the rigidity of plastics scissors foot part, plastics scissors foot part and keycap fit clearance and companion
With the influence of the operating characteristic of stroking of feeling of stroking so-called in lifting action.
Thin plastic X support construction is generallyd use in the portable electronic devices such as existing notebook type or palmtop computer
Device, the bond structure device referring to the existing keyboard of Fig. 1, Fig. 2 include that keycap 1, reset element are elastomer 11, have the switch of switch
Circuit 12, has the scissor support 16(scissor support 16 of upper and lower auxiliary section by by right scissor at the support plate 15 for having auxiliary section
4 and left scissor 8 form), scissor support 16 by upper and lower auxiliary section respectively with the auxiliary section of keycap 1, support plate 15 rotation
Or be slidably connected, it is made up of from the side in the scissor support 16 of X shape installation the transmitting of the mutual power of near middle same
Linkage supporting structure is walked, to ensure that keycap 1 is parallel to 15 elevating movement of support plate.
Wherein the auxiliary section of support plate 15 is made of supporting plate rotation section 13 and supporting plate sliding part 14, and scissor supports 16(equal
By plastics-production) be made of right scissor 4 and left scissor 8, scissor support 16 auxiliary section up and down respectively by down hinge 9,
Rotation section 10 on lower slide-bar 7 and scissors, sliding part 6 is constituted on scissors, synchronizes support construction by the maincenter on right scissor 4
Axis 5 is hingedly constituted with the outline border pivot hole on the left scissor 8 of plastics.
Maincenter on left scissor 8 made of middle pivot 5 of this device on the right scissor 4 made of plastics and plastics
Hole is hinged, down hinge 9 and lower slide-bar 7 respectively in support plate 15 supporting plate rotation section 13 and supporting plate sliding part 14 match in rotation
It closes, be slidably matched.On scissors on rotation section 10 and scissors sliding part 6 respectively on keycap 1 keycap sliding part 3 and keycap turn
Dynamic portion 2 is in be slidably matched, be rotatably assorted.Plastics X support structure apparatus is formed, and by being in circular arch shape action component -- rubber bullet
Circle 11 jacks up keycap 1 upwards, and the linkage portion of left scissor 8 and right scissor 4 is by being located at scissor arm near middle
Middle pivot 5 and pivot hole 5c is rotatably assorted composition；What left scissor 8, right scissor 4 were connect with keycap 1 and support plate 15 respectively
Sliding part 6 on rotation section 10, lower slide-bar 7 and scissors on scissors of the interconnecting piece by being respectively distributed to scissor arm upper end or lower end,
Down hinge 9 is constituted.
Wherein rubber bullet circle 11 is fixed on 12 upper surface of switching circuitry of switch and the indent following table with keycap 1
Face is corresponding, has the switching circuitry 12 of switch to be fixed on the upper surface of support plate 15, the supporting plate rotation section in support plate 15
13 and supporting plate sliding part 14 pass through and have corresponding through hole on the switching circuitry 12 of switch, and be located at the switching circuitry 12 for having switch
Above upper surface nearby, the lower end that the scissor being made of the left scissor 8 of plastics, the right scissor 4 of plastics supports respectively with support
Supporting plate rotation section 13 and supporting plate sliding part 14 on plate 15 rotate, are slidably connected, and the upper end is slided with the keycap on keycap 1 respectively
Portion 3 and keycap sliding part 3 are rotating, are slidably matched.
The elasticity of plastics position limiting structure of existing plastics keycap 1 there are the problem of:
From keyboard be born since, be respectively provided with elasticity of plastics position limiting structure on the keycap 1 of keyboard of notebook computer, referring to fig. 2 -- 1 to
Fig. 2 -- 5, keycap 1 install when, first keycap sliding part 3 is mounted on scissors on sliding part 6, rotates keycap still further below, is being pressed
During entering, the short and thick elasticity of plastics position limiting structure of the two panels of keycap rotation section 2 about needs to generate the deformation of unilateral 0.15mm --- about
6 degree of rotation is generated, the width B1 of the short and thick elasticity of plastics position limiting structure of two panels is about 0.7mm, and length H1 is about 1.6mm, B1/
H1=0.4375, since plastics are plastic materials, short and thick elasticity of plastics position limiting structure poor flexibility, intensity is low, the interference of limit
Measure small, keyboard of notebook computer becomes thin in addition, the short and thick elasticity of plastics position limiting structure of the two panels of keycap rotation section 2 (H1 size)
The design of 1 low clearance of keycap is limited, simultaneously, because the influence of injection defect, the short and thick modeling of the two panels of keycap rotation section 2
The mold of material elastic spacing structure need to tiltedly pull out the elasticity of plastics position limiting structure that the such as structure cause the two panels of keycap rotation section 2 short and thick
Bad rate is higher for factory.
1, for the keycap 1 of keyboard of notebook computer after factory, the problem that falls off is very prominent, and keyboard of notebook computer falls key and switch touching
Point failure problem is the big anxious open problems of current keyboard of notebook computer most outstanding two.
2, the elasticity of plastics position limiting structure of the keycap 1 of keyboard of notebook computer has the influence of injection defect,
3, the matching allowance of the short and thick elasticity of plastics position limiting structure of the keycap 1 of keyboard of notebook computer is unilateral 0.15mm,
When the matching allowance is too small, easily there is key phenomenon；When the matching allowance is excessive, easily there is keycap rotation section 2
The short and thick elasticity of plastics position limiting structure fracture failure of two panels and the hidden danger for burying fracture failure.
4, the short and thick elasticity of plastics position limiting structure poor flexibility of two panels, intensity are low.
5, punching precision of the injection molding precision lower than thin plate, the structure moulding tolerance 0.08mm of precise injection molding -- small size,
The punching precision 0.026mm of linear dimension punching press --- thin plate, 0.5 degree of the pressing and bending precision of thin plate.
6, keycap is thinned, certainly will shorten -- short and thick elasticity of plastics position limiting structure, short and thick elasticity of plastics position limiting structure contracting
It is short, short and thick elasticity of plastics position limiting structure elastic force lower limit is caused, the further low level design of keycap is limited.
Summary of the invention
It is an object of the invention to: in view of the above problems, the present invention provides a kind of eliminate on plastics keycap 1
Elastic spacing structure makes plastics keycap 1 become full rigidity structure, and by elastic spacing structure setting in thin sheet of metal scissor
On, it thoroughly solves the hard nut to crack that existing keyboard of notebook computer falls key, makes the high yield rate, prolonged of the keycap of key switch
It is durable, make that the elastic spacing structural elasticity of the thin sheet of metal scissor of key switch is good, intensity is high, durable..
The technical scheme of the present invention is realized as follows: including keycap, reset element, the switching circuitry for having switch, having and match
The support plate in conjunction portion, have upper and lower auxiliary section scissor support, scissor support by upper and lower auxiliary section respectively with keycap, support
The auxiliary section of plate rotates or is slidably connected, and scissor, which is supported, constitutes synchronous interaction support construction by the transmitting of mutual power,
Make elevating movement to ensure that keycap is parallel to support plate, it is characterized in that: scissor support 16 strikes out on metal plate
Type；The scissor support 16 forms flexible metal plate elastic arm 20；The scissor support 16 has stamping forming cut
Knife disconnecting prevention structure；Key positive stop lug boss 37 is provided on keycap 1；The scissor support 16 mutually supported is by scissors anticreep
The key positive stop lug boss 37 of structure and keycap 1, which limits, to be cooperated, and key is prevented to deviate from or keycap 1 is limited in limes superiors position；
When the keycap is installed, the auxiliary section of keycap 1 or key positive stop lug boss 37 make metal plate elastic arm 20 generate flexible deformation,
Scissors disconnecting prevention structure crosses the limit adapted space that key positive stop lug boss 37 enters keycap 1, under the reset force effect of reset element,
Scissors disconnecting prevention structure is crushed on key positive stop lug boss 37.
Further, when keycap is installed, the upper end of scissor support 16 concave bottom surface 35 or keycap along the key of keycap 1
Concave and convex platform 34 or key positive stop lug boss 37 in key in 1 key in concave bottom surface 35, ecto-entad slips into from inside to outside or
The auxiliary section of keycap 1, the auxiliary section of keycap 1 or key positive stop lug boss 37 make metal plate elastic arm 20 generate flexible deformation, scissors anticreep
Structure crosses the limit adapted space that key positive stop lug boss 37 enters keycap 1.
Further, the scissor supports 16 punch formings on metal plate；The scissor support 16 is oriented
The flexible metal plate elastic arm 20 of upper extension, the cantilever end of the metal plate elastic arm 20 have stamping forming scissors anticreep knot
Structure；Key positive stop lug boss 37 is provided on the bottom surface of concave bottom surface 35 in the key of keycap 1；The scissor support 16 mutually supported
It is limited and is cooperated by the key end spacing auxiliary section 36 of scissors disconnecting prevention structure and keycap 1, keycap 1 is limited in limes superiors position.
Further, the scissor supports 16 punch formings on relatively thin metal plate, the scissor support
There is the flexible metal plate elastic arm 20 upwardly extended in 16 end face, and the cantilever end of the metal plate elastic arm 20 has stamping forming
Scissors disconnecting prevention structure, the scissors disconnecting prevention structure have metal plate limiting block 21, and the metal plate limiting block 21 is located at the scissor branch
Near the upper end of support 16；Key positive stop lug boss 37 is provided on the bottom surface of concave bottom surface 35 in the key of keycap 1, is limited in the key
The outside set key end spacing auxiliary section 36 of boss 37 crouches in the inside set key of the key positive stop lug boss 37 and installs guide part
38；The scissor support 16 mutually supported is matched by metal plate limiting block 21 and the limit of key end spacing auxiliary section 36 of keycap 1
It closes, keycap 1 is limited in limes superiors position.
Further, thering is the cantilever downward through plate face to lack between the upper auxiliary section of the same scissor support 16
Mouth through hole 20a, has the metal plate elastic arm 20 upwardly extended in the bottom of cantilever notch through hole 20a, in metal plate elastic arm 20
Cantilever end have be folded upward at metal plate formation metal plate limiting block 21；Between two left auxiliary sections of keycap 1 and two right sides are matched
Key positive stop lug boss 37 is respectively arranged in key between conjunction portion on the bottom surface of concave bottom surface 35, in the outside of the key positive stop lug boss 37
It is respectively provided with key end spacing auxiliary section 36；The key positive stop lug boss 37 is by key end spacing auxiliary section 36, sleeping installation 38 structure of guide part of key
At the scissor support 16 mutually supported is matched by metal plate limiting block 21 and the limit of key end spacing auxiliary section 36 of keycap 1
It closes, keycap 1 is limited in limes superiors position.
Further, the metal plate elastic arm 20 bends downward extension.
Further, between the left and right end face of the metal plate scissor support, and supported close to the metal plate scissor
Cantilever notch through hole 20a through metal plate scissor support plate face is arranged at 16 tops, in the left end of cantilever notch through hole 20a
The metal plate elastic arm 20 that the oriented other end in face or right side extends.
Further, the metal plate elastic arm 20 and the plate face of scissor support 16 extend at angle, the metal plate
For golden elastic arm 20 in cantilever-shaped, the cantilever end of the metal plate elastic arm 20 is formed with metal plate limiting block 21.
Further, the keycap 1 has rigid key positive stop lug boss 37, key positive stop lug boss 37 is with the limit of key end
Portion 36 erects installation guide part composition in the key for erectting shape；When installation, end and the key of metal plate elastic arm 20 are erect installation and are led
It interacts to portion, metal plate elastic arm 20 generates flexible deformation, and metal plate limiting block 21 is crossed key positive stop lug boss 37, resetted
Under the reset force effect of element, metal plate limiting block 21 is crushed in the key end spacing auxiliary section 36 of the key positive stop lug boss 37 of keycap 1,
Keycap 1 is limited in limes superiors position at this time.
Further, the keycap 1 has rigid key positive stop lug boss 37, key positive stop lug boss 37 is with the limit of key end
Portion 36, the sleeping installation guide part 38 of the key for lying down shape are constituted, and the key positive stop lug boss 37 is located at the interior concave bottom surface of keycap；When installation,
The sleeping installation guide part 38 of the scissors disconnecting prevention structure and key of the cantilever end of metal plate elastic arm 20 interacts, and metal plate elastic arm 20 produces
Raw flexible deformation, the metal plate limiting block 21 for constituting scissors disconnecting prevention structure crosses key positive stop lug boss 37, in the reset of reset element
Under power effect, metal plate limiting block 21 is crushed in the key end spacing auxiliary section 36 of the key positive stop lug boss 37 of keycap 1, at this time keycap 1
It is limited in limes superiors position.
The positive effect of the present invention is:
1, keycap 1 becomes non-maintaining full rigidity structure, significantly reduces the factory fraction defective of keycap 1, and thoroughly solve
Existing keyboard of notebook computer using when fall the hard nut to crack of key.
2, the elastic spacing structural elasticity of thin sheet of metal scissor is good, intensity is high, can increasing the magnitude of interference of limit, (maximum can
Up to 0.5mm), make the limit of keycap and thin sheet of metal scissor cooperation high reliablity.
3, the elastic spacing structure of thin sheet of metal scissor is without injection defect.
4, the elastic spacing structure of thin sheet of metal scissor is not in the hidden danger of fracture failure deformation failure.
5, the low level design of keycap can be further realized.
The key switch of the metal scissor leg structure can be widely applied to computer keyboard, palmtop computer, all kinds of embedding
Enter formula keyboard and carrying out to stroke the key switch of operation.Scissors foot-supporting structures intensity and the rigidity of structure greatly improve, metal
Scissor realizes miniaturization that is ultralight, ultra-thin and further realizing key apparatus.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the composite structural diagram of the existing plastics scissor support structure apparatus an of keycap；
Fig. 2 is the annexation figure of the existing plastics scissor support structure apparatus an of keycap；
Fig. 2-1 is the installation process figure of an existing keycap；
Fig. 2-2 is the installation process figure of an existing keycap；
Fig. 2-3 is the installation process figure of an existing keycap；
Fig. 2-4 is the installation process figure of an existing keycap；
Fig. 2-5 is the installation process figure of an existing keycap；
Fig. 3 is a kind of perspective view of the interior scissor of width bending edges；
Fig. 4 is a kind of perspective view of the outer scissor of width bending edges；
Fig. 5 is the assembling stereogram of Fig. 3, Fig. 4；
Fig. 6 is the perspective view of rigid key cap of the invention；
Fig. 7 is the main view of Fig. 6；
Fig. 8 is the B-B cross-sectional view of the key installation process of Fig. 7；
Fig. 9 is the A-A cross-sectional view of the key installation process of Fig. 7；
Figure 10 is the B-B cross-sectional view of the key installation process of Fig. 7；
Figure 11 is the A-A cross-sectional view of the key installation process of Fig. 7；
Figure 12 is the B-B cross-sectional view of the key installation process of Fig. 7；
Figure 13 is the A-A cross-sectional view of the key installation process of Fig. 7；
Figure 14 is the B-B cross-sectional view of the key installation process of Fig. 7；
Figure 15 is the A-A cross-sectional view of the key installation process of Fig. 7；
Figure 16 is the B-B cross-sectional view of the key installation process of Fig. 7；
Figure 17 is the A-A cross-sectional view of the key installation process of Fig. 7；
A kind of perspective view of interior scissor of Figure 18；
A kind of perspective view of outer scissor of Figure 19；
Figure 20 is the perspective view of rigid key cap of the invention；
Figure 21 is assembling stereogram of the invention；
Figure 22 is cross-sectional view of the invention；
Figure 23 is the outer scissor of thin sheet of metal that metal plate elastic arm 20 of the invention extends to the left；
Figure 24 is scissor in thin sheet of metal that metal plate elastic arm 20 of the invention extends to the left；
Figure 25 is the outer scissor of thin sheet of metal of metal plate elastic arm 20 of the invention；
Figure 26 is scissor in the thin sheet of metal of metal plate elastic arm 20 of the invention；
Figure 27 is scissor outside thin sheet of metal that metal plate elastic arm 20 of the invention extends to from left to right；
Figure 28 is scissor in thin sheet of metal that metal plate elastic arm 20 of the invention extends to from left to right；
Figure 29 is the rigid key cap of the thin sheet of metal scissor of Figure 28 Figure 29；
Figure 30 is assembling stereogram of the invention；
Figure 31 is the assembling stereogram that Figure 30 is mounted with rigid key cap；
Figure 32 is main view of the invention；
Figure 33 is Figure 32 top view；
Figure 34 is Figure 32 cross-sectional view；
Figure 35 is scissor outside thin sheet of metal that metal plate elastic arm 20 of the invention extends to from left to right；
Figure 36 is scissor in thin sheet of metal that metal plate elastic arm 20 of the invention extends to from left to right；
Figure 37 is the assembling stereogram of metal scissor of the invention；
Figure 38 is the assembling stereogram of metal scissor of the invention；
Figure 39 is the eight type scissor of thin sheet of metal that a kind of metal plate elastic arm 20 of the invention upwardly extends；
Figure 40 is a kind of rigid key cap of the invention；
Figure 41 is a kind of assembling stereogram of the invention；
Figure 42 is main view of the invention；
Figure 43 is that the interior scissor of Figure 42 is in the cross-sectional view of limes superiors position；
Figure 44 is that the interior scissor of Figure 42 is in the cross-sectional view of limes superiors position；
Figure 45 is that the interior scissor of Figure 42 is in the cross-sectional view of limes superiors position；
Figure 46 is that the interior scissor of Figure 43 is in the cross-sectional view of limit inferior position；
Figure 47 is that the interior scissor of Figure 44 is in the cross-sectional view of limit inferior position；
Figure 48 is that the interior scissor of Figure 45 is in the cross-sectional view of limit inferior position.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1
Such as Fig. 3 --- shown in Figure 48, the key of the metal plate scissor support of the flexible hook position limiting structure of one kind of the invention is opened
Closing device includes keycap, reset element, the switching circuitry for having switch, the support plate for having auxiliary section, the scissors for having upper and lower auxiliary section
Foot support, scissor support are rotated or are slidably connected with the auxiliary section of keycap, support plate respectively by upper and lower auxiliary section, scissor
Support constitutes synchronous interaction support construction by the transmitting of mutual power, makees lifting fortune to ensure that keycap is parallel to support plate
Dynamic, the scissor supports 16 punch formings on metal plate；The scissor support 16 forms flexible metal plate bullet
Property arm 20；The scissor support 16 has stamping forming scissors disconnecting prevention structure；
Key positive stop lug boss 37 is provided on keycap 1；The scissor support 16 mutually supported is by scissors anticreep knot
The key positive stop lug boss 37 of structure and keycap 1, which limits, to be cooperated, and key is prevented to deviate from or keycap 1 is limited in limes superiors position.
16 punch formings on relatively thin metal plate, the scissor support are supported referring to Fig. 3, Fig. 4, the scissor
There is the flexible metal plate elastic arm 20 upwardly extended in 16 end face, and the cantilever end of the metal plate elastic arm 20 has stamping forming
Scissors disconnecting prevention structure, the scissors disconnecting prevention structure have metal plate limiting block 21, and the metal plate limiting block 21 is located at the scissor branch
Near the upper end of support 16.
Have referring to scissor 31 outside scissor 28 in Fig. 3, Fig. 4, metal, metal and hangs down with the length direction of scissor arm 23
Straight width bending edges 24, the scissors lower plane 17 of the outer scissor 31 of scissor 28, metal in metal, plane 19 is logical on scissors
The connection of width bending edges is crossed, scissors lower plane 17 is respectively positioned below the outer scissor 31 of scissor 28, metal in metal, on scissors
Plane 19 is respectively positioned on outer 31 top of scissor of scissor 28, metal in metal.
Scissor support 16 is made of scissor 31 outside scissor 28 in metal, metal, supports 16 in the same scissor
Upper auxiliary section between have (i.e. in metal between the upper auxiliary section of scissor 28, between the upper auxiliary section of the outer scissor 31 of metal)
Downward through the cantilever notch through hole 20a of plate face, there is the metal plate upwardly extended in the bottom end face of cantilever notch through hole 20a
Elastic arm 20 has the metal plate limiting block 21 for being folded upward at metal plate formation in the cantilever end of metal plate elastic arm 20；The metal plate elasticity
Arm 20 bends downward extension.
The upper auxiliary section of the scissor support 16 is independently arranged with metal plate elastic arm 20.
Have in being upwardly extended from scissors lower plane 17 to portion referring to the left and right sides of scissor 28 in Fig. 3, metal and cuts
Extend plate face 25, inside cuts extension plate face 25 and be located at by scissor arm 23, cutting the end for extending the cantilever end of plate face 25 inside has end
Portion supports auxiliary section 18, and the end support auxiliary section 18 of the present embodiment is the interior angle cut and extend the end of cantilever end of plate face 25
Portion.
Referring to fig. 4, the inside of the outer scissor 31 of metal has upwardly extended from scissors lower plane 17 to portion in cut extension
Plate face 25 is inside cut extension plate face 25 and is located at by scissor arm 23, and cutting the end for extending the cantilever end of plate face 25 inside has end branch
Support auxiliary section 30.
Do not indicated with keycap 1(figure respectively referring to scissor 31 outside scissor 28 in Fig. 5, metal, metal), support plate 15
It rotates or is slidably connected；In metal scissor 28 end support auxiliary section 18, scissor arm 23 lower face respectively with metal
The lower face of the scissor arm 23 of outer scissor 31, the mutually support of end support auxiliary section 30 form the transmitting structure of mutual power
At synchronous interaction support construction, make elevating movement (non-table in the switching circuitry figure of switch to ensure that keycap is parallel to support plate
Show), reset element is made of flexible elastic element, can be also made of magnetic element, and the present embodiment is preferable using elasticity
Rubber bullet circle 11 is used as reset element.
Referring to Fig. 6, Fig. 8, Fig. 9, between two auxiliary sections on the left side of keycap 1 and between two auxiliary sections on the right
The near middle of concave bottom surface 35 is respectively arranged with rigid key positive stop lug boss 37 in key, equal in the outside of the key positive stop lug boss 37
Set key end spacing auxiliary section 36；The key positive stop lug boss 37 is made of key end spacing auxiliary section 36, the sleeping installation guide part 38 of key,
Key positive stop lug boss installation guide part is made of the sleeping installation guide part 38 of key, the sleeping installation guide part 38 of key can be plane, cambered surface.
The bottom of concave bottom surface 35 in key between two auxiliary sections on the left side of keycap 1 and between two auxiliary sections on the right
Concave and convex platform 34 in the key in tee T is respectively arranged on face, in concave and convex platform 34 in the key of L font, the portion 3 that is slidably matched of keycap 1
It is made of the key boss indent convex shoulder 32 in key in concave and convex platform 34, back-off cambered surface 33, the opening in the portion 3 that is slidably matched of keycap 1 is equal
It is directed toward the middle part of keycap 1, when supporting 16 upper ends to bend scissor, the portion 3 that is slidably matched of keycap 1 is by concave bottom surface in key
35, back-off cambered surface 33 is constituted.
Referring to Fig. 8 -- Figure 13, keycap installation when, scissor support 16 upper end along the key of keycap 1 concave bottom surface 35 or
Concave and convex platform 34 in the key of keycap 1 slips into the auxiliary section of keycap 1, the auxiliary section of keycap 1 or key positive stop lug boss from inside to outside
37 make metal plate elastic arm 20 generate flexible deformation, and scissors disconnecting prevention structure crosses the limit cooperation that key positive stop lug boss 37 enters keycap 1
Space, under the reset force effect of reset element, scissors disconnecting prevention structure is crushed on key positive stop lug boss 37.
The keycap 1 has key positive stop lug boss 37, and key positive stop lug boss 37 is by being in the key end spacing auxiliary section 36 for erectting shape, putting down
The sleeping installation guide part 38 of the key of sleeping shape is constituted, and the key positive stop lug boss 37 is located at the interior concave bottom surface of keycap；When installation, metal plate bullet
Property arm 20 cantilever end and the sleeping installation guide part 38 of key interact, metal plate elastic arm 20 generates flexible deformation, metal plate limit
Gear 21 crosses key positive stop lug boss 37, and under the reset force effect of reset element, metal plate limiting block 21 is crushed on the key limit of keycap 1
In the key end spacing auxiliary section 36 of position boss 37, keycap 1 is limited in limes superiors position at this time.
When referring to Fig. 7, Fig. 8, Fig. 9, keycap installation, it will match in the entrance alignment scissor support 16 of the auxiliary section of keycap
Conjunction portion, the mounting height H of scissor support 16 supported, it should be ensured that L > L1 moves in parallel downwards keycap, scissor support
34 surface of concave and convex platform is moved to the opening in the portion 3 that is slidably matched of keycap 1 along key from inside to outside for 16 upper end.
Referring to Figure 10, Figure 11, when the upper auxiliary section of scissor support 16, (the present embodiment is the upper plate of scissor support 16
Face, scissor support 16 lower face) enter back-off cambered surface 33 with after the open space of key boss indent convex shoulder 32, metal plate is elastic
The upper end of the metal plate limiting block 21 of the cantilever end of arm 20 gradually starts to connect with the sleeping installation guide part 38 of the key of key positive stop lug boss 37
Touching.
Referring to Figure 12, Figure 13, continue to move in parallel keycap downwards, the upper end of scissor support 16 continues to slide from inside to outside
Dynamic, the upper end of the metal plate limiting block 21 of scissor support 16 is moved along the sleeping installation guide part 38 of key, scissor support 16
Lower face along back-off cambered surface 33 move (the present embodiment, keycap 1 be slidably matched portion 3 by key boss indent convex shoulder 32, back-off cambered surface
33 are constituted), in the case where the portion 3 that is slidably matched of keycap 1, the sleeping installation guide part 38 of key act on, metal plate elastic arm 20 is made to generate elastic change
Shape.
Key positive stop lug boss 37 is crossed into key referring to Figure 14, Figure 15, the scissors disconnecting prevention structure being made of metal plate limiting block 21
The limit adapted space of cap 1, the limit adapted space of keycap 1 is located at 36 outside of key end spacing auxiliary section, in reset element (in figure
Do not indicate) reset force effect under, metal plate limiting block 21 is crushed in the key end spacing auxiliary section 36 on key positive stop lug boss 37, this
When keycap 1 be in limes superiors position, the scissor support 16 mutually supported is limited by the key end of metal plate limiting block 21 and keycap 1
The limit cooperation of position auxiliary section 36, is limited in limes superiors position for keycap 1.
Magnitude of interference maximum is limited up to 0.5mm referring to Figure 15, metal plate limiting block 21 and key end spacing auxiliary section 36.
When being pressed down in use referring to Figure 16, Figure 17, keycap 1 each zero (when keycap 1 is in below limes superiors position)
The positional relationship of part.
The present invention provides a kind of elastic spacing structure eliminated on plastics keycap 1, and plastics keycap 1 is made to become full rigidity knot
Structure, and by elastic spacing structure setting on thin sheet of metal scissor, thoroughly solve the eldest child that existing keyboard of notebook computer falls key
Difficult problem, makes the high yield rate, durable of the keycap of key switch, and make the thin sheet of metal scissor of key switch
Elastic spacing structural elasticity is good, intensity is high, durable..
1, keycap becomes non-maintaining full rigidity structure, significantly reduces keycap factory fraction defective, and thoroughly solve existing
Have keyboard of notebook computer using when fall the hard nut to crack of key.
2, the elastic spacing structural elasticity of thin sheet of metal scissor is good, intensity is high, can increasing the magnitude of interference of limit, (maximum can
Up to 0.5mm), make the limit of keycap and thin sheet of metal scissor cooperation high reliablity.
3, the elastic spacing structure of thin sheet of metal scissor is without injection defect.
4, the elastic spacing structure of thin sheet of metal scissor is not in the hidden danger of fracture failure deformation failure.
5, the low level design of keycap can be further realized.Scissors foot-supporting structures intensity and the rigidity of structure substantially mention
Height, metal scissor realize miniaturization that is ultralight, ultra-thin and further realizing key apparatus.
Embodiment 2
It is located at the outside of plane 19 on scissors referring to the scissors lower plane 17 of scissor 28 in Figure 18, Figure 19, the metal,
The scissors lower plane 17 of the outer scissor 31 of the metal is located at the inside and downside of plane 19 on scissors, puts down under the scissors
Plane 19 is connected by length bending edges 41 on face 17, scissors, length direction of the length bending edges 41 along scissor arm 23.
The interior scissors support portion 18 and scissor arm 23 for being located at 19 outside of plane on scissors of scissor 28 in the metal
Length direction it is vertical, the outer scissor 31 of the metal has end face to extend plate face 43, and the end face extends the cantilever end of plate face 43
End face is vertical with the length direction of scissor arm 23.
Have on the ora terminalis of the middle part through hole of plane 19 on the scissors of scissor 28 in the outer scissor 31 of the metal, metal
Interior reinforcement flange 42.
Referring to the cantilever of the elastic spacing hook 20 of scissor 31 outside scissor 28 in Figure 18, Figure 19, the metal, metal
End is formed with the arc surface to raise upward, scissors disconnecting prevention structure is constituted by the arc surface to raise upward, in the circular arc to raise upward
39 are kept off after being respectively formed metal plate limiting block 21, metal plate limit on face, metal plate limiting block 21 can be cambered surface, arc surface, plane, bullet
Property limit hook 20 be scissor support 16 plate faces a part.
If Figure 20, the key positive stop lug boss 37 are located in key in concave bottom surface 35, key positive stop lug boss 37 is by the key for erectting shape
It holds spacing auxiliary section 36, constituted in the sleeping installation guide part 38 of the key for lying down shape.The sleeping installation guide part 38 of key is inclined-plane, the sleeping installation of key
Guide part 38 can be plane, cambered surface, key positive stop lug boss 37 corner.
The position corresponding with 37 position of key positive stop lug boss of concave bottom surface 35 is additionally provided with key limit such as Figure 21, Figure 22, in key
After keep off 44, the displacement of 44 limitation scissors disconnecting prevention structures being displaced outwardly is kept off after key limit.
It is ensured that: the space after key limit between gear 44 and key positive stop lug boss 37 can accommodate the metal plate limiting block in arcuation
21,39 are kept off after metal plate limit.The limit magnitude of interference of key positive stop lug boss 37 and metal plate limiting block 21 is about 0.35mm -0.5mm.
The cambered surface of gear 44 and the cambered surface of key end spacing auxiliary section 36 are concentric circles, elastic spacing such as Figure 22, after key limit
When the arc surface concentric of the cantilever end forming of hook 20 to raise upward, the auxiliary section of keycap is rotation cooperating portion 2, elasticity limit
The cambered surface of the scissors disconnecting prevention structure of position hook 20 is matched with the cambered surface of gear 44, the rotation of the cambered surface of key end spacing auxiliary section 36 after key limit
It closes.
Remaining is same with embodiment 1.
Embodiment 3
Between the left and right end face supported such as Figure 23, Figure 24, Figure 25, Figure 26, the metal plate scissor, and close to the metal plate
Nearby there is the cantilever notch through hole 20a through metal plate scissor support plate face in wusheng clematis herb foot support upper surface, in cantilever notch
The metal plate elastic arm 20 that the oriented other end in the left side or right side of through hole 20a extends.
If Figure 23, Figure 24, metal plate elastic arm 20 are in cantilever Shi, scissors disconnecting prevention structure is located at 20 cantilever end of metal plate elastic arm.
The left and right end face that the metal plate scissor as described in being rigidly connected Figure 25, Figure 26, metal plate elastic arm 20 supports, scissors anticreep
Structure is located on metal plate elastic arm 20, but it is best for being located in the middle part of metal plate elastic arm 20 with scissors disconnecting prevention structure.
Scissors disconnecting prevention structure is made of gear 39 after metal plate limiting block 21, metal plate limit, and metal plate limiting block 21 and metal plate limit
39 round and smooth connections are kept off afterwards.
Remaining is same with embodiment 2.
Embodiment 3
Between the left and right end face supported such as Figure 27, Figure 28, the metal plate scissor, and close to the metal plate scissor branch
Cantilever notch through hole 20a through metal plate scissor support plate face is arranged at support top, in the left end of cantilever notch through hole 20a
The metal plate elastic arm 20 that the oriented other end in face or right side extends, the cantilever end of the metal plate elastic arm 20 are formed with metal plate
Limiting block 21, metal plate limiting block 21 can be the plate face of the cantilever end of metal plate elastic arm 20, can be the outstanding of metal plate elastic arm 20
The plate face upwardly extended at arm end, can also be the bending plate face of the cantilever end of metal plate elastic arm 20, and the present embodiment is limited using metal plate
Position gear 21 is the plate face of the cantilever end of metal plate elastic arm 20 upwardly extended.
The metal plate elastic arm 20 is bent downward, and the plate face of the metal plate elastic arm 20 and scissor support 16 is at folder
Angle extends；The metal plate elastic arm 20 and the angle of scissor support 16 are institute between 90 degree ± 0 degree to 90 degree ± 20 degree
Stating metal plate elastic arm 20 is two, but can also be one by metal plate elastic arm 20, but be best with two.
If Figure 29, Figure 31, the keycap 1 have key positive stop lug boss 37, key positive stop lug boss 37 in the key end for erectting shape by limiting
Auxiliary section 36, in erectting shapeKey setting installation guide surface 45 composition, Key is erect installation guide surface 46 and is constituted, byKey is erect
Installation guide surface 45, Key erects installation guide surface 46 and constitutes key setting installation guide part, whereinKey erects installation guide surface 45
It can be plane, cambered surface, Key, which erects installation guide surface 46, can be plane, cambered surface,Key erect installation guide surface 45 with Key
Installation guide part is erect to be smoothly connected,Key setting installation guide surface 45, Key erect installation guide surface 46 can respectively on two faces,
Also combinable on the same face, key erects installation guide part and is located at 37 two sides of key positive stop lug boss.
Such as Figure 29 --- when Figure 34, installation, the end of metal plate elastic arm 20 and key erect installation guide part interaction,
Metal plate elastic arm 20 generates flexible deformation, and metal plate limiting block 21 crosses key positive stop lug boss 37, in the reset masterpiece of reset element
Under, metal plate limiting block 21 is crushed in the key end spacing auxiliary section 36 of the key positive stop lug boss 37 of keycap 1, and keycap 1 is limited at this time
System is in limes superiors position.
Remaining is same with embodiment 2.
Embodiment 4
Such as Figure 35 --- metal plate elastic arm 20 is folded upward at as described in Figure 38, and metal plate elastic arm 20 is located at scissor support
Above 16 plate face, the plate face of the cantilever end of the metal plate elastic arm 20 constitutes metal plate limiting block 21.
The metal plate elastic arm 20 is some that the scissor supports 16 plate faces, the cantilever of the metal plate elastic arm 20
End is formed with metal plate limiting block 21.
Remaining is same with embodiment 3.
Embodiment 5
It is located at the metal plate elastic arm with scissor support 16 referring to the scissors disconnecting prevention structure of Figure 39, scissor support 16
In the plate face of the corresponding scissor support 16 of 20 cantilever end position.Scissors disconnecting prevention structure is by the metal plate on scissors upper end bending arc 47
Golden limiting block 21 is constituted, and wherein metal plate limiting block 21 is located in scissor support 16, and metal plate limiting block 21 is the bending of scissors upper end
A part of arc 47.The scissors upper end bending arc 47 is located at 23 upper end of scissor arm of the left and right sides of scissor support 16
On arm；The cantilever end of described two scissors upper end bending arcs 47, which each extends over to be formed, extends plate face 19a, scissors upper end bending
Arc 47 extends plate face 19a in 23 upper end bending and molding of scissor arm.The metal plate elastic arm 20 is that 23 plate face of scissor arm is prolonged
It stretches to be formed, metal plate elastic arm 20 is a part of 23 plate face of scissor arm, the metal plate elastic arm 20 and 23 plate face of scissor arm
It may be at same plane, same plane can also be not at, but be best to be in same plane.
Referring to fig. 40, in the key of keycap 1 near middle of 35 left and right ends of concave bottom surface form it is symmetrical above and below in just
Two key T-type boss 50 of vertical T-type, two cantilever ends of key T-type boss 50 have back-off convex shoulder arc 33a.In two key T-type boss
50 inside forms concave and convex platform 34 in key, and there are two two key circular arcs that lower cancave cambered surface is constituted for the forming of concave and convex platform 34 in key
Concave and convex platform 34 in key is divided into three sections by mating surface 51, key circular arc mating surface 51, and concave and convex platform 34 constitutes key limit convex in three paragraph keys
Platform 37, after installing keycap, the circular arc of two 51 left and right sides of key circular arc mating surface plays a part of to limit keycap.
It is plate (being best with straight plate face) referring to Figure 39, Figure 40, Figure 41, the flexible metal plate elastic arm 20,
Two metal plate elastic arms 20 are located at 16 left and right sides of scissor support, the metal plate elastic arm lower face 48 of two metal plate elastic arms 20
Cooperate with the back-off convex shoulder arc 33a of key T-type boss 50, described two scissors upper end bending arcs 47 are rotatably assorted with key cooperation arc 51
Or thin tail sheep cooperation, the left and right scissor leg structure of scissor support 16 is identical, the extension plate face of one of scissor support 16
Upper face, the extension board of the extension plate face 19a of the end of 19a, the upper face for extending plate face 19a and another scissor support 16
The end of face 19a mutually supports, and scissor support 16 is slidably matched with the switching circuitry of switch 12 or support plate 15 respectively.
1-- Figure 48, the two paragraph keys circular arc mating surface 51 can be concentric, the two paragraph keys circular arc cooperation referring to fig. 4
Face 51 is also possible to not concentric, and when two paragraph key 51 not concentrics of circular arc mating surface, two paragraph key circular arc mating surfaces 51 can also be
Plane, scissor support 16 are displacement cooperation with keycap, and two paragraph key circular arc mating surfaces 51 play the cooperation of limitation scissor support 16
Portion moves in or out.With one heart, two paragraph key circular arc mating surfaces 51 are round for two paragraph key circular arc mating surfaces 51 of the circular arc of the present embodiment
Slip is a complete circle.
It is ensured that back-off auxiliary section 33a is located near the center of circle of key circular arc mating surface 51, it is best for being theoretically located at the center of circle.
Referring to fig. 45, Figure 48, the flexible metal plate elastic arm lower face 48 are located at the circle of scissors upper end bending arc 47
Near the heart, when being rotatably assorted with keycap, the circular trace of scissors upper end bending arc 47 is located at metal plate elastic arm lower face 48
It is best on the center of circle (after the 16 completion installation of keycap and scissor support, it is ensured that metal plate elastic arm lower face 48 is located at key circular arc and matches
The center of circle in conjunction face 51).
Referring to fig. 4 when 1-- Figure 48, keycap installation, keycap is moved down, and the upper end of scissor support 16 is along keycap 1
Concave and convex platform 34(key positive stop lug boss 37 in key in key in concave bottom surface 35) surface, equal ecto-entad slips into matching for keycap 1
Conjunction portion, i.e. metal plate elastic arm 20 enter the space between back-off convex shoulder arc 33a and the surface of key positive stop lug boss 37, continue to make keycap
It moves down, scissor support 16 and the angle of support baseboard 15 gradually become smaller, the auxiliary section of metal plate elastic arm 20 and keycap 1
The surface of (back-off convex shoulder arc 33a), key positive stop lug boss 37 makes metal plate elastic arm 20 generate flexible deformation, until scissors disconnecting prevention structure into
Enter the limit adapted space of the key circular arc mating surface 51 of keycap 1.
The auxiliary section of keycap 1 is made of key circular arc mating surface 51, back-off convex shoulder arc 33a, by the two of key circular arc mating surface 51
Section arc keeps off 44 after respectively constituting key end spacing auxiliary section 36, key limit.
Remaining is same with embodiment 1.
Claims (10)
1. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure, including keycap, reset element, have
The switching circuitry of switch, has the scissor of upper and lower auxiliary section to support at the support plate for having auxiliary section, and scissor support by matching up and down
Conjunction portion rotates or is slidably connected with the auxiliary section of keycap, support plate respectively, and scissor supports the transmitting structure by mutual power
At synchronous interaction support construction, make elevating movement to ensure that keycap is parallel to support plate, it is characterized in that:
The scissor supports (16) punch forming on metal plate；
The scissor support (16) forms flexible metal plate elastic arm (20), and the scissor support (16) strikes out
The scissors disconnecting prevention structure of type；
It is provided on keycap (1) key positive stop lug boss (37), the scissor support (16) mutually supported passes through scissors anticreep
The key positive stop lug boss (37) of structure and keycap (1), which limits, to be cooperated, and key is prevented to deviate from or keycap (1) is limited in limes superiors position；
When the keycap is installed, the auxiliary section of keycap (1) or key positive stop lug boss (37) make metal plate elastic arm (20) to generate elasticity change
Shape, scissors disconnecting prevention structure crosses the limit adapted space that key positive stop lug boss (37) enter keycap (1), in the reset force of reset element
Under effect, scissors disconnecting prevention structure is crushed on key positive stop lug boss (37).
2. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as described in claim 1, special
Sign is: when keycap is installed, scissor supports the upper end of (16) key of concave bottom surface (35) or keycap (1) along the key of keycap (1)
Concave and convex platform 34 or key positive stop lug boss (37) in key on interior concave bottom surface (35), ecto-entad slips into key from inside to outside or
The auxiliary section of cap (1), the auxiliary section of keycap (1) or key positive stop lug boss (37) make metal plate elastic arm (20) to generate flexible deformation, cut
Knife disconnecting prevention structure crosses the limit adapted space that key positive stop lug boss (37) enter keycap (1).
3. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as claimed in claim 1 or 2,
Be characterized in: the scissor supports (16) punch forming on metal plate；Scissor support (16), which has, to be upwardly extended
The cantilever end of flexible metal plate elastic arm (20), the metal plate elastic arm (20) has stamping forming scissors disconnecting prevention structure；?
Key positive stop lug boss (37) are provided on the bottom surface of concave bottom surface (35) in the key of keycap (1)；The scissor support mutually supported
(16) it is limited and is cooperated by the key end spacing auxiliary section (36) of scissors disconnecting prevention structure and keycap (1), keycap (1) is limited in upper pole
Limit.
4. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as claimed in claim 1 or 2,
Be characterized in: the scissor supports (16) punch forming on relatively thin metal plate, the end face of the scissor support (16)
There is the flexible metal plate elastic arm (20) upwardly extended, the cantilever end of the metal plate elastic arm (20) has stamping forming scissors
Disconnecting prevention structure, the scissors disconnecting prevention structure have metal plate limiting block (21), and the metal plate limiting block (21) is located at the scissor branch
Near the upper end for supportting (16)；Key positive stop lug boss (37) are provided on the bottom surface of concave bottom surface (35) in the key of keycap (1), in institute
The outside set key end spacing auxiliary section (36) for stating key positive stop lug boss (37), in the inside set key of the key positive stop lug boss (37)
Sleeping installation guide part (38)；The scissor support (16) mutually supported passes through the key of metal plate limiting block (21) and keycap (1)
Spacing auxiliary section (36) limit cooperation is held, keycap (1) is limited in limes superiors position.
5. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as claimed in claim 1 or 2,
It is characterized in: has the cantilever notch through hole downward through plate face between the upper auxiliary section of the same scissor support (16)
(20a) has the metal plate elastic arm (20) upwardly extended in the bottom of cantilever notch through hole (20a), in metal plate elastic arm (20)
Cantilever end have be folded upward at metal plate formation metal plate limiting block (21)；Between two left auxiliary sections of keycap (1) and two
Key positive stop lug boss (37) are respectively arranged on the bottom surface of concave bottom surface (35) in key between right auxiliary section, in the key positive stop lug boss
(37) key end spacing auxiliary section (36) is respectively provided on the outside of；The key positive stop lug boss (37) is by key end spacing auxiliary section (36), key
Sleeping installation guide part (38) is constituted, and the scissor support (16) mutually supported passes through metal plate limiting block (21) and keycap (1)
Key end spacing auxiliary section (36) limit cooperation, keycap (1) is limited in limes superiors position.
6. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as claimed in claim 4, special
Sign is: the metal plate elastic arm (20) bends downward extension from the top metal plate plane of scissor support (16).
7. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as described in claim 1, special
Sign is: between the left and right end face of the metal plate scissor support, and having close to metal plate scissor support (16) top and runs through
The cantilever notch through hole (20a) of metal plate scissor support plate face, left side or right end in cantilever notch through hole (20a)
The metal plate elastic arm (20) that the oriented other end in face extends.
8. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as claimed in claim 7, special
Sign is: the metal plate elastic arm (20) and the plate face of scissor support (16) extend at angle, the metal plate elastic arm
(20) in cantilever-shaped, the cantilever end of the metal plate elastic arm (20) is formed with metal plate limiting block (21).
9. a kind of key switch of the metal plate scissor support of flexible hook position limiting structure as described in claims 1 or 2 or 7 or 8
Device, it is characterized in that: the keycap (1) has rigid key positive stop lug boss (37), key positive stop lug boss (37) is with the limit of key end
Portion (36) erects installation guide part composition in the key for erectting shape；When installation, the end of metal plate elastic arm (20) and key are erect and are pacified
Guide part interaction is filled, metal plate elastic arm (20) generates flexible deformation, and metal plate limiting block (21) crosses key positive stop lug boss
(37), under the reset force effect of reset element, metal plate limiting block (21) is crushed on the key positive stop lug boss (37) of keycap (1)
In key end spacing auxiliary section (36), keycap (1) is limited in limes superiors position at this time.
10. a kind of key switch dress of the metal plate scissor support of flexible hook position limiting structure as described in claims 1 or 2 or 7
It sets, it is characterized in that: the keycap (1) has rigid key positive stop lug boss (37), key positive stop lug boss (37) is by key end spacing auxiliary section
(36), sleeping installation guide part (38) of key for lying down shape is constituted, and the key positive stop lug boss (37) is located at the interior concave bottom surface of keycap；Installation
When, sleeping installation guide part (38) interaction of the scissors disconnecting prevention structure and key of the cantilever end of metal plate elastic arm (20), metal plate bullet
Property arm (20) generate flexible deformation, constitute scissors disconnecting prevention structure metal plate limiting block (21) cross key positive stop lug boss (37),
Under the reset force effect of reset element, metal plate limiting block (21) is crushed on the key end limit of the key positive stop lug boss (37) of keycap (1)
On auxiliary section (36), keycap (1) is limited in limes superiors position at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539448.5A CN105390308B (en) | 2014-08-30 | 2015-08-30 | A kind of key switch of the metal plate scissor support of flexible hook position limiting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014104362497 | 2014-08-30 | ||
| CN201410436249 | 2014-08-30 | ||
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| CN2014104403675 | 2014-09-01 | ||
| CN2014104821017 | 2014-09-21 | ||
| CN201410482101 | 2014-09-21 | ||
| CN201510157427 | 2015-04-05 | ||
| CN2015101574277 | 2015-04-05 | ||
| CN2015103291395 | 2015-06-15 | ||
| CN201510329139 | 2015-06-15 | ||
| CN201510539448.5A CN105390308B (en) | 2014-08-30 | 2015-08-30 | A kind of key switch of the metal plate scissor support of flexible hook position limiting structure |
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| CN105390308A CN105390308A (en) | 2016-03-09 |
| CN105390308B true CN105390308B (en) | 2019-02-05 |
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| CN105679585B (en) * | 2016-03-16 | 2017-10-03 | 苏州达方电子有限公司 | Button |
| CN110622270B (en) * | 2017-09-15 | 2021-06-29 | 陈�峰 | Key device supported by thin scissors and method for mounting scissors foot supports and keycaps of key device |
| CN107978468B (en) * | 2018-01-17 | 2019-05-31 | 精元电脑股份有限公司 | Double see-saw type supporting mechanisms and slimming keyboard |
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|---|---|---|---|---|
| CN102856088A (en) * | 2011-06-30 | 2013-01-02 | 陈�峰 | Sheet metal rigid link structure |
| CN103177892A (en) * | 2013-02-18 | 2013-06-26 | 苏州达方电子有限公司 | Key and keyboard with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW527558B (en) * | 2001-05-10 | 2003-04-11 | Darfon Electronics Corp | Key punch apparatus and installation method |
| WO2013139277A1 (en) * | 2012-03-22 | 2013-09-26 | Chen Feng | Method for installing key structure apparatus and key structure apparatus installed using the method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856088A (en) * | 2011-06-30 | 2013-01-02 | 陈�峰 | Sheet metal rigid link structure |
| CN103177892A (en) * | 2013-02-18 | 2013-06-26 | 苏州达方电子有限公司 | Key and keyboard with same |
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