CN100530469C - Key and input device comprising same - Google Patents
Key and input device comprising same Download PDFInfo
- Publication number
- CN100530469C CN100530469C CNB2006100025606A CN200610002560A CN100530469C CN 100530469 C CN100530469 C CN 100530469C CN B2006100025606 A CNB2006100025606 A CN B2006100025606A CN 200610002560 A CN200610002560 A CN 200610002560A CN 100530469 C CN100530469 C CN 100530469C
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- China
- Prior art keywords
- keycap
- lever arm
- button
- input unit
- kink
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- 238000000465 moulding Methods 0.000 claims description 8
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
A key for pressing and conducting a circuit comprises a lower end face of a key cap and a bent part of a movable arm; the pivoting part of the movable arm is pivoted in a pivoting hole of a bottom plate; the bending part has a shape surrounding at least two adjacent edges of the lower end surface of the keycap to form a supporting surface for supporting the keycap; when any point on the upper side of the keycap is pressed downwards, the pressure can be supported by the bending part of the movable arm and drives the keycap to move downwards, so that the keycap cannot incline towards the pressed side. The key has simple structure and easy assembly, can reduce the precision requirement during manufacturing, and can save the manufacturing cost.
Description
Technical field
The input unit of the relevant electronic installation of the present invention has the larger area button in the especially relevant input unit.
Background technology
United States Patent (USP) U.S.6,318,695, disclose a kind of notebook computer button (Notebook computerkey), the lower end that comprises a keycap (Key hat) is respectively in conjunction with a bracing frame (Supporting frame) and an Elastic Contact moving member (Elastic touch moving piece); The lower end of bracing frame is in conjunction with printed circuit board (PCB).After the Elastic Contact moving member is pushed by keycap, can be out of shape its upper end is moved downwards, make its inner current-carrying part contact print circuit board and turning circuit.
No. the 232398th, TaiWan, China patent of invention discloses a kind of press-key structure, is arranged at a housing, and this housing has at least one opening.Press-key structure comprises at least one button portion; Button portion comprises a first, reaches a second portion.System of first is fixedly arranged on housing, and second portion covers opening.One bracing frame is positioned at opening, and is linked to housing, and faces mutually with this second portion.One switch element is arranged in this housing.When the user brought pressure to bear on bracing frame, this bracing frame touched this switch element.
See also shown in Figure 1.The general button 50 that does not have bracing frame, especially has the larger area press section, when user's finger 60 not by being pressed in the position of press section 51 corresponding to the top of the movable part 521 of switch element 52, and when being pressed in a side of press section 51, is fulcrum with making press section 51 with the movable part 521 of switch element 52, tilt downwards in the place that is pressed, and the amount of movement that the movable part 521 that reduces switch element 52 is down pushed, and possibly can't be reached the function of switch.In order to overcome this problem, a plurality of switch elements 52 are set below press section 51 possibly, make press section 51 more can be under situation about tilting push switch unit 52.Another kind overcomes the method that press section 51 tilts, and ties up to its bracing frame that below disposes as above-mentioned United States Patent (USP) disclosed.But the complex structure of bracing frame, the cost that can increase design and make.
Summary of the invention
In order to make the structure of the known large tracts of land button of improvement, and the present invention is proposed.
Main purpose of the present invention, the input unit that is to provide a kind of button and comprises this button, assembling simple in structure is easy, can save manufacturing cost.
Another object of the present invention, the input unit that is to provide a kind of button and comprises this button can simplify structure, reduces the precision requirement when making.
Button of the present invention for pushing turning circuit, comprising: a keycap;
One lever arm, the one end has a kink, and its other end is to a lateral buckling one articulated section; One object has the articulated section;
Wherein the lower surface of this keycap is in conjunction with the kink of this lever arm; The articulated section of this lever arm and the articulated section of this object are articulated; This kink has the moulding around lower surface at least two adjacent edges of this keycap, and constitutes the supporting surface of this keycap of support; When any point of the top of this keycap was subjected to downwards pressure, this pressure can be supported by the kink of this lever arm, and drove this keycap and down move in the orientation, made this keycap can be toward the lopsidedness that be pressed.The assembling simple in structure of button is easy, can reduce the precision requirement when making, and can save manufacturing cost.
Other purposes of the present invention, effect see also drawings and Examples, are described in detail as follows.
Description of drawings
Schematic diagram when Fig. 1 is pressed for known button with big press section.
Fig. 2 is incorporated into the schematic diagram of notebook computer for button module of the present invention.
Fig. 3 is the schematic diagram of input unit embodiment of the present invention.
Fig. 4 A is the schematic diagram that the keycap of the button of the embodiment of the invention is raised state.
Fig. 4 B, 4C be respectively the present invention in addition the keycap of the button of two embodiment raise the schematic diagram of state.
Fig. 5 is the user mode schematic diagram of button of the present invention.
Embodiment
See also shown in Fig. 2,3.Button of the present invention and comprise the embodiment of the input unit of this button is button 21 and this touch module 20 of the Trackpad module 20 of a notebook computer 10.Trackpad module 20 of the present invention, comprise a button 21,22 and a touch area 23, its function is identical with general touch module, utilizes moving of vernier in the screen 11 of touch area 23 Operational Note type computers 10 for the user, utilizes button 21, button 22 output signals.
See also shown in Fig. 3,4A, 4B, the 4C, 5.Button 21 of the present invention comprises a keycap 211 and a lever arm 24.The lower surface of keycap 211 has many conjunctions 212.Conjunction 212 can be has at least one jig arm person.One end of lever arm 24 has the kink 241 to the vertical bending of a side, shown in Fig. 4 A; Lever arm 24 ', 24 that also can be shown in Fig. 4 B, 4C " an end have kink 241 ', 241 to a lateral buckling one suitable angle ".The other end of lever arm 24 has to the articulated section 242 of the vertical bending of a side, shown in Fig. 4 A; Lever arm 24 ', 24 that also can be shown in Fig. 4 B, 4C " an end have articulated section 242 ', 242 to a lateral buckling one suitable angle ".The kink 241 of many conjunctions 212 combining movement arms 24 of the lower surface of keycap 211; The articulated section 242 of lever arm 24 and an object, articulated section (a for example pivoted hole) as a base plate 30 is articulated, for example articulated section 242 is articulated in the pivoted hole 31 of base plate 30, and wherein base plate 30 is positioned at the below of lever arm 24, and base plate 30 can be a hard circuit board or flexible circuit board.The kink 241 of lever arm 24 has the moulding around at least two adjacent edges in lower surface of keycap 211, and for example the kink shown in Fig. 4 A 241 has the moulding of three adjacent edges in lower surface that are surrounded on keycap 211, constitutes the supporting surface 243 of a support keycap 211; Perhaps shown in Fig. 4 B lever arm 24 ' kink 241 ' have three adjacent edges in lower surface that are surrounded on keycap 211 ' and be " V " and moulding, also can constitute a supporting surface 243 ' that supports keycap 211 '; Perhaps lever arm 24 shown in Fig. 4 C " kink 241 " have be surrounded on keycap 211 " two adjacent edges in lower surface be " L " and moulding, also can constitute one and support keycap 211 " supporting surface 243 ".One switch element 25 places the below of keycap 211.In the present embodiment, switch element 25 is hollow cones of being made by elastomeric material, and its inner upper end has current-carrying part 251, as shown in Figure 5.The current-carrying part 251 of switch element 25 inner upper end can also can be the conducting strip that conductive material is made for the formed film of conductivity graphite, or a conductive rubber film; Wherein the conductive rubber film is that high molecular polymer by rubber is mixed with electrically conductive particles to make and forms.
The present invention utilizes the kink 241 of lever arm 24 to be bent to form the particular design that a supporting surface 243 is supported in the lower end of keycap 211, the user pushes any position of keycap 211 upper ends, all can drive kink 241 moves toward the below, and then make keycap 211 whole moving down, push switch unit 25, make the current-carrying part 252 of its inner current-carrying part 251 its belows of contact, and form the action of turning circuit.
The present invention utilizes the kink 241 of lever arm 24 to be incorporated into the lower end of keycap 211, make the bottom of keycap 211 obtain to support, during downwards pressure of the finger 40 that is subjected to the user when any point of keycap 211 tops, this pressure can be supported by the kink 241 of lever arm 24, and drive kink 241 down moves in the orientation, because the bottom of keycap 211 is subjected to the support of kink 214, so can be not that fulcrum tilts the side direction below that is pressed with switch element 25, and be whole mobile downwards, so situation of can oriented lopsidedness and switch element 25 can't effectively be pushed, therefore do not need a plurality of switch elements 25 to be set in large-area button below, or baroque bracing frame is set, and the convenient appropriate location that switch element is arranged at keycap 211 belows.
The present invention compares with known bracing frame as long as a lever arm 24 can be reached the function that keycap 211 whole bottom surface levels are pressed down, and significantly simplified structure can reduce the requirement of the precision when making, and installs easily, saves manufacturing cost.
Button of the present invention is applicable to the input unit with large-area button, for example the large-scale button of button in the Trackpad module of notebook computer or general keyboard, game machine etc.
The above record only for utilizing the embodiment of the technology of the present invention content, anyly is familiar with modification, the variation that present technique field person uses the present invention to do, and all belongs to the claim that the present invention advocates, discloses and be not limited to embodiment.
Claims (19)
1. a button is used to push and turning circuit, comprising:
One keycap;
One lever arm, the one end has a kink, and its other end is to a lateral buckling one articulated section;
One object has the articulated section;
Wherein, the lower surface of this keycap is in conjunction with the kink of this lever arm; The articulated section of this lever arm and the articulated section of this object are articulated; This kink has the moulding around at least two adjacent edges in lower surface of this keycap, and constitutes the supporting surface of this keycap of support; When any point of the top of this keycap was subjected to downwards pressure, this pressure can be supported by the kink of this lever arm, and drove this keycap and down move in the orientation, made this keycap can be toward the lopsidedness that be pressed.
2. button as claimed in claim 1 is characterized in that the lower surface of this keycap has a plurality of conjunctions, and these conjunctions are in conjunction with the kink of this lever arm.
3. button as claimed in claim 2 is characterized in that these conjunctions respectively have at least one jig arm.
4. button as claimed in claim 1 is characterized in that, comprises that further a switch element places the below of this keycap.
5. button as claimed in claim 4 is characterized in that, this switch element is a hollow cone of being made by elastomeric material, and the upper end of its inside has current-carrying part.
6. button as claimed in claim 1 is characterized in that, this kink has the moulding around at least three adjacent edges in lower surface of this keycap.
7. button as claimed in claim 1 is characterized in that, the articulated section system of this lever arm is orthogonal with the other end of this lever arm.
8. button as claimed in claim 1 is characterized in that, this object is a base plate, and this base plate places the below of this lever arm.
9. button as claimed in claim 8 is characterized in that, the articulated section of this base plate is a pivoted hole, and the articulated section of this lever arm is articulated in this pivoted hole.
10. an input unit for transmitting control signal to an electronic installation, comprises at least one button as claimed in claim 1.
11. input unit as claimed in claim 10 is characterized in that, this input unit is the Trackpad module of a notebook computer.
12. input unit as claimed in claim 10 is characterized in that, the lower surface of this keycap has a plurality of conjunctions, and these conjunctions are in conjunction with the kink of this lever arm.
13. input unit as claimed in claim 10 is characterized in that, these conjunctions respectively have at least one jig arm.
14. input unit as claimed in claim 10 is characterized in that, comprises that further a switch element places the below of this keycap.
15. input unit as claimed in claim 14 is characterized in that, this switch element is a hollow cone of being made by elastomeric material, and the upper end of its inside has current-carrying part.
16. input unit as claimed in claim 10 is characterized in that, this kink has the moulding around at least three adjacent edges in lower surface of this keycap.
17. input unit as claimed in claim 10 is characterized in that, the articulated section of this lever arm and the other end of this lever arm are orthogonal.
18. input unit as claimed in claim 10 is characterized in that, this object is a base plate, and this base plate places the below of this lever arm.
19. input unit as claimed in claim 18 is characterized in that, the articulated section of this base plate is a pivoted hole, and the articulated section of this lever arm is articulated in this pivoted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100025606A CN100530469C (en) | 2006-01-09 | 2006-01-09 | Key and input device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100025606A CN100530469C (en) | 2006-01-09 | 2006-01-09 | Key and input device comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101000832A CN101000832A (en) | 2007-07-18 |
| CN100530469C true CN100530469C (en) | 2009-08-19 |
Family
ID=38692750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100025606A Active CN100530469C (en) | 2006-01-09 | 2006-01-09 | Key and input device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100530469C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI486818B (en) * | 2012-05-25 | 2015-06-01 | Wistron Corp | Input device and electronic apparatus having the same |
| CN106527819A (en) * | 2016-12-20 | 2017-03-22 | 合肥联宝信息技术有限公司 | Touch mechanism and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668358A (en) * | 1994-07-05 | 1997-09-16 | Ultimate Rechnology Corporation | Reconfigurable keyboard |
| US5823325A (en) * | 1997-08-01 | 1998-10-20 | Lin; San-Feng | Keyswitch assembly for a multiple-width key |
| US6100482A (en) * | 1998-06-18 | 2000-08-08 | Matsushita Electric Industrial Co., Ltd. | Pushbutton switch and input device using the same |
| US6239391B1 (en) * | 1999-04-06 | 2001-05-29 | Alps Electric Co., Ltd. | Keyboard assembly having highly waterproof key switches |
-
2006
- 2006-01-09 CN CNB2006100025606A patent/CN100530469C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668358A (en) * | 1994-07-05 | 1997-09-16 | Ultimate Rechnology Corporation | Reconfigurable keyboard |
| US5823325A (en) * | 1997-08-01 | 1998-10-20 | Lin; San-Feng | Keyswitch assembly for a multiple-width key |
| US6100482A (en) * | 1998-06-18 | 2000-08-08 | Matsushita Electric Industrial Co., Ltd. | Pushbutton switch and input device using the same |
| US6239391B1 (en) * | 1999-04-06 | 2001-05-29 | Alps Electric Co., Ltd. | Keyboard assembly having highly waterproof key switches |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101000832A (en) | 2007-07-18 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |