CN110120315A - Key - Google Patents
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- Publication number
- CN110120315A CN110120315A CN201910503901.5A CN201910503901A CN110120315A CN 110120315 A CN110120315 A CN 110120315A CN 201910503901 A CN201910503901 A CN 201910503901A CN 110120315 A CN110120315 A CN 110120315A
- Authority
- CN
- China
- Prior art keywords
- corner
- pedestal
- key
- elastic slice
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims abstract description 61
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims description 31
- 241000239290 Araneae Species 0.000 claims description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- 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
- H01H13/14—Operating parts, e.g. push-button
-
- 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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/36—Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
-
- 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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/64—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button switches
Landscapes
- Push-Button Switches (AREA)
- Switches With Compound Operations (AREA)
Abstract
The present invention relates to a kind of keys, including pedestal, and equipped with the pin to output signal, the upper surface of pedestal is equipped with the middle part switch be connected with pin and corner switches, and the quantity of corner switches is four and is uniformly distributed in the surrounding that middle part switchs；Middle part elastic slice on pedestal, the center of middle part elastic slice heave upwards and are located at the top of middle part switch；Film on pedestal corresponds to four corners on film and switchs to be formed there are four metal feeler, and metal feeler is located at the top of corresponding corner switches；And structure is pressed with what the edge of pedestal was connect, press the top that structure is located at middle part elastic slice and film.When user's flicking presses the corner of structure, corresponding metal feeler is contacted with corner switches and turning circuit；When user's flicking presses the side of structure, two adjacent metal feelers of the side contact simultaneously with corresponding two corner switches and turning circuit；User again by structure is pressed when, middle part elastic slice center and middle part switch contact and turning circuit.
Description
Technical field
The present invention relates to input equipment technical fields, refer in particular to a kind of key.
Background technique
For current input equipment, comprehensive navigation is realized in order to simulate the function mode of mouse on the control panel,
Mostly use touch screen scheme, including capacitor induction type and resistive touch screen.Its defect is that area is larger, at high cost, is easily scratched.
And existing navigation keys are mostly 3 to (upper and lower, confirmation) or five-way (upper and lower, left and right, confirmation) function button,
It is architectural limitation, single direction selection can only be done, and cannot continuously select, therefore mouse cannot be simulated and do comprehensive navigation.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide a kind of key, can solve it is existing navigation by
Key cannot simulate the problem of mouse does comprehensive navigation.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of keys, comprising:
Pedestal, the pedestal are equipped with the pin to output signal, and the upper surface of the pedestal is equipped with and the pin
The middle part of connection switchs and corner switches, and the quantity of the corner switches is four and is uniformly distributed in the four of the middle part switch
Week；
The center of middle part elastic slice on the pedestal, the middle part elastic slice, which heaves upwards and is located at the middle part, opens
The top of pass；
Film on the pedestal, corresponding four corner switches form that there are four metals to touch on the film
Angle, the metal feeler are located at the top of corresponding corner switches；And
What is connect with the edge of the pedestal presses structure, and the structure of pressing is located at the middle part elastic slice and the film
Top；
By press it is described press structure to push the center of the middle part elastic slice, make middle part elastic slice center and institute
It states middle part switch contact and corresponding circuit is connected；
By pressing the position pressed in structure above the metal feeler, to push corresponding metal touching
Angle contacts the metal feeler with corresponding corner switches and corresponding circuit is connected；
By pressing the position pressed in structure between two adjacent metal feelers, to push corresponding
Two metal feelers make two metal feelers contact with corresponding two corner switches simultaneously and corresponding circuit is connected.
The invention has the advantages that using the elastic slice at middle part and being located on four equally distributed metal feelers and bottom plate
Simultaneously corresponding circuit is connected in corresponding switch contact, to generate output signal, realizes the control in eight directions, and then realize
Simulate the comprehensive navigation of mouse.
Key of the present invention further improvement lies in that, further include be set to the film and four feet pressed between structure
Elastic slice, the four feet elastic slice include the spider being located above the middle part elastic slice and are connected to the spider and correspond to four
The extended leg that metal feeler extends, correspond on the spider middle part switch be formed in the middle part of contact block, and the extended leg
The upper correspondence corner switches are formed with corner contact block；
Press it is described press structure when, the middle part contact block pushes the center of the middle part elastic slice, makes the middle part bullet
Simultaneously corresponding circuit is connected in piece center and the middle part switch contact；It is located at the metal feeler in structure pressing described press
When the position of top, the corner contact block pushes corresponding metal feeler, connects the metal feeler with corresponding corner switches
It touches and corresponding circuit is connected.
Key of the present invention further improvement lies in that, the swells heaved upwards is formed on the extended leg, it is described to press
It moves the structurally corresponding swells and is formed with recessed portion to lower recess, be located at the metal in structure pressing described press
When position above feeler, the recessed portion pushes corresponding swells, to make corresponding extended leg move down, so that right
The corner contact block answered pushes corresponding metal feeler.
Key of the present invention further improvement lies in that, the swells is located at the corner contact block close to the spider
Side.
Key of the present invention further improvement lies in that, it is described press structure include the connecting bracket for being fixed on the pedestal,
The keycap and the reed between the connecting bracket and keycap being buckled on the connecting bracket, the reed are bullet
Property part, support the keycap to be formed with gap between the keycap and the connecting bracket by the reed.
Key of the present invention further improvement lies in that, the two sides of the connecting bracket are equipped with the shackle member being turned over downwards, institute
The two sides for stating base bottom correspond to the shackle member and are formed with card slot, are arranged in the card slot by the shackle member and make institute
Connecting bracket is stated to fix with the pedestal.
Key of the present invention further improvement lies in that, the two sides of the keycap are equipped with the clamping piece being turned over downwards, the company
The two sides for connecing bracket correspond to the clamping piece equipped with connection sheet, by the clamping piece be resisted against the lower surface of the connection sheet from
And limit the upward movement of the keycap.
Key of the present invention further improvement lies in that, be formed with positive stop strip between two corners on the pedestal, institute
The corner for stating film is limited between two adjacent positive stop strips.
Key of the present invention further improvement lies in that, the gold that four metal feelers on the film are located at middle part by one
Belong to ring connection.
Key of the present invention further improvement lies in that, on the pedestal correspond to the becket be formed with annular groove,
And the corresponding metal feeler is formed with corner groove, the corner switches are located in the corner groove.
Detailed description of the invention
Fig. 1 is the detonation configuration figure of key of the present invention.
Fig. 2 is the structural schematic diagram of four foot elastic slices in key of the present invention.
Fig. 3 is the structural schematic diagram of film in key of the present invention.
Fig. 4 is the structural schematic diagram of pedestal in key of the present invention.
Fig. 5 is the structural schematic diagram of keycap in key of the present invention.
Fig. 6 is the structural schematic diagram of reed in key of the present invention.
Fig. 7 is the structural schematic diagram of connecting bracket in key of the present invention.
Fig. 8 is the sectional view of key of the present invention.
Fig. 9 is side view when pressing the side of key of the present invention.
Figure 10 is sectional view when pressing the side of key of the present invention.
Figure 11 is oblique sectional view when pressing the corner of key of the present invention.
Figure 12 is the top view of key of the present invention.
Figure 13 is the schematic diagram of circuit in key of the present invention.
Description of symbols:
11- pedestal；111- annular groove；The corner 112- groove；113- annular protrusion；114- central slot；The corner 115-
Switch；116- pin；117- positive stop strip；118- card slot；119- edge contact；Switch in the middle part of 110-；
Elastic slice in the middle part of 21-；
22- film；221- metal feeler；222- becket；
Tetra- foot elastic slice of 23-；231- spider；Contact block in the middle part of 232-；233- extended leg；The corner 234- contact block；235- heaves
Portion；
30- presses structure；31- connecting bracket；311- connection sheet；312- shackle member；313- bending segment；314- convex sheet；
316- empty slot；
32- keycap；321- is clamped piece；322- recessed portion；
33- reed；331- outline border；The protrusion 332-；333- connection strap；334- support bar；The gap 335-.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to fig. 1, the present invention provides a kind of keys, can be used as the Navigational button of operation panel, remote controler etc..With body
The small, shaped flat of product, the features such as manufacturing using SMT technique, solving existing navigation keys can not achieve eight to operation, because
And the mobile problem of mouse omnidirection cannot be simulated.Key of the present invention is illustrated with reference to the accompanying drawing.
As shown in Figure 1, key of the present invention includes a pedestal 11, middle part elastic slice 21 and film 22, position on pedestal
Four foot elastic slices 23 on film and on four foot elastic slices and what edge was buckled in pedestal presses structure 30.
Wherein, in conjunction with shown in Fig. 1 to Fig. 4, pedestal 11 is equipped with the pin 116 to output signal, the quantity of pin 116
It is eight, wherein four pins are convexly equipped in the side of pedestal 11, four additional pin is then convexly equipped in the opposite other side.Pedestal 11
Be formed in the middle part of upper surface one for installation middle part elastic slice 21 circular central slot 114, the center of the central slot 114 is set
Have middle part switch 110, which connects with corresponding pin 116, and the edge of central slot 114 set there are two it is mutual
The edge contact 119 being connected, the edge contact 119 are connected with corresponding pin 116, and during two edge contacts 119 are set to
The opposite two sides of portion's groove 114.The four corners of 11 upper surface of pedestal are also formed with corner groove 112, each corner groove 112
A corner switches 115 are inside equipped with, four corners switch 115 is connected with corresponding pin 116.And four corners groove 112
It is connected to by an annular groove 111, which is located at the periphery of central slot 114, and annular groove 111 and middle part are recessed
Slot 114 is separated out by an annular protrusion 113, and the upper surface of the annular protrusion 113 forms metal contact piece, and annular protrusion 113
Height is higher than corner switches 115.Preferably, corner switches 115 are set to one end in corner groove 112 far from annular groove.It is excellent
Selection of land, pedestal 11 are plastic coated metal structure, internal to form circuit, and its surface is except annular protrusion 113, corner switches 115, pipe
It is non-conductive plastic surface outside foot 116, edge contact 119 and middle part switch 110.
Middle part elastic slice 21 is a circular sheet metal, which is placed in central slot 111, and middle part elastic slice 21
Center heave and be located at the surface of middle part switch 110 upwards, and the edge of middle part elastic slice 21 is then resisted against annular protrusion 113
Side, annular protrusion 113 plays the position-limiting action to middle part elastic slice 21.And the edge of middle part elastic slice 21 and two edge contacts
The edge of 119 contact middle part elastic slices is contacted with two edge contacts 119 so that corresponding circuit is normally closed at this, so that user is pressing
Under when pressing structure 30 and applying downward power to the center of middle part elastic slice 21, the center of middle part elastic slice 21 and middle part switch 110
Contact, i.e., using the closure middle part switch 110 of middle part elastic slice 21 of metal to which corresponding circuit be connected.
Film 22 is flexible structure, is adhered on pedestal 11 and is supported by annular protrusion 113, four angles of film 22
Portion is equipped with metal feeler 221, and the becket 222 that four metal feelers 221 are located at middle part by one is connected.The becket
222 overlap with the metal contact piece on annular protrusion 113 so that corresponding circuit keeps normally closed at this, and becket 222 and pedestal
Annular groove 111 on 11 is corresponding, and annular groove 111 provides the space deformed for becket 222, and four metal feelers
221 is corresponding with the four corners groove 112 on pedestal 11, and the end of metal feeler 221 is located at corresponding corner switches 115
Surface.User press press structure 30 and downward power applied to the metal feeler 221 of film when, the metal feeler
221 end contacts with corresponding corner switches 115 and corresponding circuit is connected.
Four foot elastic slices 23 are located at film 22 and press between structure 30, play the role of power transmission, convenient for user press by
Make correctly to close the switch when dynamic structure to input correctly instruction.Four foot elastic slices 23 include being located at right above middle part elastic slice 21
Spider 231 and be connected to the extended leg 233 that spider 231 and corresponding four metal feelers 221 extend.Preferably, four feet
Elastic slice 23 is sheet metal, and four extended legs 233 are upturned to prevent maloperation.
Corresponding middle part switch 110 is formed with middle part contact block 232 on spider 231, which is with certain thickness
The disc-shaped structure of degree, middle part contact block 232 not only protrude from the upper surface of spider 231, also protrude from the following table of spider 231
Face.User press press structure 30 when, press the upper surface that structure 30 pushes the middle part contact block 231, make in the middle part of contact block 231
Lower surface forces in the center of middle part elastic slice 21 through the center of film 22 flexible, and then the center for pushing middle part elastic slice 21 makes
It contacts with middle part switch 110 and corresponding circuit is connected.
Corner switches 115 are corresponded on extended leg 233 and are formed with corner contact block 234, which is located at corresponding angle
The surface of portion's switch 115, and corner contact block 234 is chondritic, not only protrudes from the upper surface of extended leg 233, it is also convex
For the lower surface of extended leg 233.Preferably, being also formed with the swells 235 heaved upwards, the swells on extended leg 233
235 are located at corresponding corner contact block 234 close to the side of spider 231, and extended leg 233 is downward when due to pushing extended leg 233
Movement be the equal of rotation using spider as axis, therefore the corner contact block 234 close to extended leg end move down away from
With a distance from being moved down greater than swells 235.When pressing the position pressed and be located above metal feeler 221 in structure 30,
It presses structure 30 and pushes corresponding swells 235, to make corresponding extended leg 233 move down, so that corresponding corner is touched
Block 234 pushes corresponding metal feeler 221, and then contacts metal feeler 221 with corresponding corner switches 115 and correspondence is connected
Circuit.
Preferably, the middle part contact block 231 of four foot elastic slices 23 and the thickness of corner contact block 234 meet when user's flicking presses knot
It can make that corner contact block 234 pushes metal feeler 221 when structure 30 (force size be preferably 0.5N) and middle part contact block 231 does not push
The center of film 22, and when user can be such that corner contact block 234 pushes by when pressing structure 30 (force size is preferably 2N) again
Middle part contact block 231 is set to push the center of film 22 while metal feeler 221.
Positive stop strip 117, glue are formed with preferably, being located between two corners (i.e. four sides of pedestal 11) on pedestal 11
The corner of piece 22 and the corner of four foot elastic slices 23 are limited between two adjacent positive stop strips 17.
In conjunction with shown in Fig. 1, Fig. 4 to Figure 11, pressing structure 30 includes being fixed on connecting bracket 31, the company of being buckled in of pedestal 11
The keycap 32 on bracket and the reed between connecting bracket 31 and keycap 32 33 are connect, reed 33 is elastic component, is passed through
Reed 33 supports keycap 32 to be formed with gap between keycap 32 and connecting bracket 31.
The two sides of connecting bracket 31 are equipped with the shackle member 312 that is turned over downwards, and every side of connecting bracket 31 sets that there are two cards
Fitting 312, there are spacing between two shackle members 312, two shackle members 312 are fixed on company by a vertical bending segment 313
Connect the corresponding side of bracket 31, the thickness for being highly adaptable to pedestal 11 of the bending segment 313.The corresponding card in the two sides of 11 bottom of pedestal
Fitting 312 is formed with card slot 118, is arranged in card slot 118 by shackle member 312 and makes connecting bracket 31 and pedestal 11 fixed.
And the center of connecting bracket 31 offers empty slot 316, the shape of the empty slot 316 is adapted to the shape of four foot elastic slices, so that four
The swells 235 of foot elastic slice is located in the empty slot 316, and drum pressure is directly descended in the lower surface of keycap 32 when then to press keycap 32
Play portion 235.Preferably, four sides of empty slot 316 are formed with the convex sheet 314 to limit four foot elastic slices 23, make four foot bullets
Piece 23 is smaller with the mobile range on vertical direction in the horizontal direction.
Keycap 32 is an integral structure, so that user is when pressing keycap 32, entire keycap 32 moves down or to force
Point inclination.The two sides of keycap 32 are equipped with the clamping piece 321 being turned over downwards, and the corresponding clamping piece 321 in the two sides of connecting bracket 31 is equipped with
Connection sheet 311, it is upward to limit keycap 32 by the horizontal part of clamping piece 321 to be resisted against the lower surface of connection sheet 311
It is mobile.Preferably, corresponding to swells 235 on keycap 32 is formed with recessed portion 322 to lower recess, which is V-arrangement knot
Structure pushes swells 235 convenient for keycap, but also the power (preferably 0.5N) that user only needs application very light can make corner switches
Closure.
Reed 33 includes one being placed in outline border 331 on connecting bracket 31 and positioned at the protrusion 332 at 331 center of outline border, convex
The side in portion 332 is connected to the inside of outline border 331 by connection strap 333, which is obliquely installed, so that protrusion 332
Height is higher than the height of outline border 331, and the quantity of connection strap 333 is preferably two.
Preferably, protrusion 332 is additionally provided with inclined support bar 334 far from the side of connection strap 333, the support bar 334
The inside of end and outline border 331 is installed with gap 335, so as to user presses keycap 32 and when pushing protrusion 332, connection strap 33 and
The tilt angle of support bar 334 becomes smaller, and moves down protrusion 332 and generates restoring force.The setting of reed 33 is so that user solves
After the power for pressing keycap 32, keycap 32 pops up under the action of 33 restoring force of reed, until the clamping of keycap two sides
Piece 321 is resisted against the lower surface of connection sheet 311.
When user applies heavier power (preferably 2N) in keycap 32, the lower surface at 32 center of keycap pushes protrusion 332,
Protrusion 332 further pushes the middle part contact block 232 of four foot elastic slices 23, and the middle part at the center and pedestal 11 that make middle part elastic slice 21 switchs
110 contacts.
Refering to shown in Fig. 8 to Figure 11, when user presses the corner of keycap 32, the recessed portion 322 of keycap pushes four foot bullets
The swells 235 of piece so that the extended leg 233 of four foot elastic slices moves down, then make corner contact block 234 move down and under
The end of the metal feeler 221 of moulding piece makes the end of metal feeler 221 contact and lead with the corner switches 151 on pedestal 11
Lead to corresponding circuit.
When user presses the side of keycap 32, the metal feeler 221 in two corners adjacent with the side simultaneously with it is right
The corner switches 151 answered contact and corresponding circuit are connected.
When user relatively heavily presses keycap 32, under the center of keycap 32 protrusion 332 of making leaf spring 33, so that protrusion 332
The middle part contact block 232 for moving down and pushing four foot elastic slices then makes middle part contact block 232 move down and push in film
Portion and the center of middle part elastic slice 21 make the center of middle part elastic slice 21 contact with the middle part switch 110 on pedestal 11 and correspondence is connected
Circuit.
Key of the invention is as follows by the function that above structure can be realized:
As shown in figure 12, the point of application on key of the invention can be roughly divided into middle part S, upside u, downside d, left side l, the right side
Side r, lower left corner A, upper left corner B, upper right corner C and lower right corner D, the left side of key are from top to bottom equipped with pin 1, pin 2, pin
3, pin 4, and right side is from top to bottom equipped with pin 5, pin 6, pin 7, pin 8.
Lower left corner A, upper left corner B, upper right corner C and lower right corner D are corresponded in key of the invention known to above-mentioned structure
Four corners position equipped with four corners switch, four corners switch connect respectively with pin 4, pin 1, pin 5 and pin 8
It is logical, and the metal contact piece on annular protrusion and pin 2 and pin 7 are connected, when metal feeler is contacted with corner switches, Tu13Zhong
Corresponding corner switches are closed and are connected corresponding circuit, then obtain output signal: when pressing at the A of the lower left corner, 2 He of pin
Pin 7 and pin 4 are connected；When pressing at the B of the upper left corner, pin 2 and pin 7 and pin 1 are connected；When pressing at the C of the upper right corner,
Pin 2 and pin 7 and pin 5 are connected；When pressing at the D of the upper right corner, pin 2 and pin 7 and pin 8 are connected.
In addition, pin 2 and pin 7 are also turned on pin 1 and pin 5 when pressing at the u of upside；It is pressing at the d of downside
When, pin 2 and pin 7 are also turned on pin 4 and pin 8；When pressing the left side place l, pin 2 and pin 7 and pin 4 and manage
Foot 1 is also turned on；When pressing at the d of downside, pin 2 and pin 7 are also turned on pin 5 and pin 8.
The position of corresponding middle part S is equipped with corner switches, corner switches and pin 3 in key of the invention and pin 6 is connected,
And edge contact and pin 2 and pin 7 are connected, and when relatively heavily pressing middle part S, the center of middle part elastic slice and middle part switch contact
And middle part is closed the switch, pin 2 and pin 7 are connected with pin 3 and pin 6, obtain output signal.
Table 1
In conjunction with shown in Figure 12, Figure 13 and upper list 1, in user's flicking key, dynamics is not enough to push middle part elastic slice,
It switchs and disconnects at S in Figure 12, the signal exported at this time is used for direction selection, and can determine whether out that user exerts a force according to the pin of connection
In the position of key.And in user's key again, the center that dynamics is enough to push middle part elastic slice connects it with middle part switch
Touching, so that middle part be made to close the switch, the signal exported at this time is used to determine the target currently selected, and can according to the pin of connection
Judge that user forces in the position of key.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of key characterized by comprising
Pedestal, the pedestal are equipped with the pin to output signal, and the upper surface of the pedestal is equipped with to be connect with the pin
Middle part switch and corner switches, the quantity of the corner switches be four and be uniformly distributed in the surrounding of the middle part switch；
It heaves upwards and is located at middle part switch in the center of middle part elastic slice on the pedestal, the middle part elastic slice
Top；
Film on the pedestal, corresponding four corner switches are formed there are four metal feeler on the film,
The metal feeler is located at the top of corresponding corner switches；And
What is connect with the edge of the pedestal presses structure, and the structure of pressing is located at the upper of the middle part elastic slice and the film
Side；
By press it is described press structure to push the center of the middle part elastic slice, make middle part elastic slice center and it is described in
Simultaneously corresponding circuit is connected in portion's switch contact；
By pressing the position pressed in structure above the metal feeler, so that corresponding metal feeler is pushed,
It contacts the metal feeler with corresponding corner switches and corresponding circuit is connected；
By pressing the position pressed in structure between two adjacent metal feelers, to push corresponding two
Metal feeler makes two metal feelers contact with corresponding two corner switches simultaneously and corresponding circuit is connected.
2. key as described in claim 1, which is characterized in that further include set on the film and described pressing between structure
Four foot elastic slices, the four feet elastic slice include the spider being located above the middle part elastic slice and are connected to the spider and correspondence
The extended leg that four metal feelers extend, correspond on the spider middle part switch be formed in the middle part of contact block, and described prolong
It stretches and corresponds to the corner switches on foot and be formed with corner contact block；
Press it is described press structure when, the middle part contact block pushes the center of the middle part elastic slice, makes in the middle part elastic slice
Simultaneously corresponding circuit is connected in the heart and the middle part switch contact；It is located above the metal feeler in structure pressing described press
Position when, the corner contact block pushes corresponding metal feeler, contacts the metal feeler simultaneously with corresponding corner switches
Corresponding circuit is connected.
3. key as claimed in claim 2, which is characterized in that be formed with the swells heaved upwards, institute on the extended leg
State and press the structurally corresponding swells and be formed with recessed portion to lower recess, pressing it is described press be located in structure it is described
When position above metal feeler, the recessed portion pushes corresponding swells to be made so that corresponding extended leg be made to move down
It obtains corresponding corner contact block and pushes corresponding metal feeler.
4. key as claimed in claim 3, which is characterized in that the swells is located at the corner contact block close to the center
The side of disk.
5. key as described in claim 1, which is characterized in that the structure of pressing includes being fixed on the connection branch of the pedestal
Frame, the keycap being buckled on the connecting bracket and the reed between the connecting bracket and keycap, the reed
For elastic component, the keycap is supported to be formed with gap between the keycap and the connecting bracket by the reed.
6. key as claimed in claim 5, which is characterized in that the two sides of the connecting bracket are equipped with the clamping being turned over downwards
Part, the two sides of the base bottom correspond to the shackle member and are formed with card slot, are arranged in the card slot by the shackle member
So that the connecting bracket is fixed with the pedestal.
7. key as claimed in claim 5, which is characterized in that the two sides of the keycap are equipped with the clamping piece being turned over downwards, institute
The two sides for stating connecting bracket correspond to the clamping piece equipped with connection sheet, and the following table of the connection sheet is resisted against by the clamping piece
Face is to limit the upward movement of the keycap.
8. key as described in claim 1, which is characterized in that be formed with limit between two corners on the pedestal
Item, the corner of the film are limited between two adjacent positive stop strips.
9. key as described in claim 1, which is characterized in that four metal feelers on the film are located at middle part by one
Becket connection.
10. key as claimed in claim 9, which is characterized in that correspond to the becket on the pedestal and be formed with annular
Groove, and the corresponding metal feeler is formed with corner groove, the corner switches are located in the corner groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110120315B (en) | 2023-12-29 |
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