CN2423647Y - Key switch device - Google Patents
Key switch device Download PDFInfo
- Publication number
- CN2423647Y CN2423647Y CN 00206971 CN00206971U CN2423647Y CN 2423647 Y CN2423647 Y CN 2423647Y CN 00206971 CN00206971 CN 00206971 CN 00206971 U CN00206971 U CN 00206971U CN 2423647 Y CN2423647 Y CN 2423647Y
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- CN
- China
- Prior art keywords
- scissor linkage
- connecting elements
- elastic component
- key switch
- bearing
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a key switch device, comprising a base plate, a circuit device, a shear connecting rod mechanism, an elastic component and a key cap, wherein, the shear connecting rod mechanism is arranged among the key cap, the base plate and the circuit device. The elastic component is arranged on the shear connecting rod mechanism, and the switch triggering and recovery can be couducted by the connecting rod mechanism. The shear connecting rod mechanism comprises a guide part, and the elastic component is provided with a resilience part and a triggering part. The resilience part limits the shear connecting rod mechanism to move between the first and second positions, and the shear connecting rod mechanism can be recovered from the first position to the second position by the resilience part. The triggering part is apart from a switching unit in an established distance, and the switching unit can be triggered by the triggering part.
Description
The utility model relates to a kind of key switch device, particularly relates to a kind of key switch device with scissor linkage.
In the structure of present key switch device, the move mode of its scissor linkage is to reach the purpose that restPoses by the distortion of adopting bowl-shape (dome) elastic component that rubber makes mostly, and this structure easily causes circuit turn-on not reach really bad sense of touch to occur.
The purpose of this utility model is to provide a kind of key switch device, and it has improved the elastic component structure, and it comprises resilient portion and triggering portion, and scissor linkage is more easily restPosed, and can positively trigger switch unit.
The utility model is achieved in that promptly provides a kind of key switch device, comprises a substrate; One circuit arrangement; One scissor linkage; One elastic component; One keycap, wherein, described substrate includes one first bearing and one first guide bracket; Described circuit arrangement is arranged on the described substrate, and described circuit arrangement includes at least one switch unit; Described scissor linkage is arranged on the described substrate to carry out moving between a primary importance and the second place, one first connecting elements and one second connecting elements that described scissor linkage includes a guidance part, articulates mutually, wherein, described first connecting elements has one first connecting portion and one second connecting portion, have one the 3rd connecting portion and one the 4th connecting portion in described second connecting elements, described first connecting portion is connected in described first bearing, and described the 3rd connecting portion is connected in described first guide bracket; Described elastic component is arranged on the described scissor linkage, described elastic component has one described scissor linkage is returned to the resilient portion and of described primary importance in order to trigger the triggering portion of described switch unit from the described second place, described keycap is arranged on the described scissor linkage, described keycap includes one second bearing and one the 3rd bearing, described second connecting portion is in order to be connected in described second bearing, and described the 4th connecting portion is in order to be connected in described the 3rd bearing; When described keycap through stressed when described circuit arrangement moves, described scissor linkage moves to the described second place from described primary importance, and described resilient portion is subjected to the compressing of described scissor linkage simultaneously and produces distortion, and described guidance part promotes described triggering portion and touch described switch unit when the described second place.
The advantage of the utility model device is that it adopts novel elastic component, and in use, sense of touch is good, conducts really, and is reliable, rational in infrastructure.
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:
Figure 1A is the three-dimensional combination figure of the key switch device 2-1 among the utility model first embodiment;
Figure 1B is the exploded perspective view of Figure 1A;
Fig. 2 is the internal structure stereogram of the keycap 21 of Figure 1B;
Fig. 3 is that the scissor linkage 22 among Figure 1B is arranged at the stereogram on the substrate 24;
Fig. 4 A is the end view of the key switch device 2-1 of Figure 1A;
Fig. 4 B is the plane Z1 in Figure 1A, the cutaway view of key switch device 2-1 that direction N1 carries out, and wherein, the axle center a-a of scissor linkage 22 is positioned at a primary importance I;
Fig. 4 C is positioned at a second place II for the axle center a-a of the key switch device 2-1 in Fig. 4 B;
Fig. 5 A is the three-dimensional combination figure of the key switch device 2-2 among the utility model second embodiment;
Fig. 5 B is the exploded perspective view of Fig. 5 A;
Fig. 6 is the end view of the key switch device 2-1 of Fig. 5 B;
Fig. 7 A is the end view of the key switch device 2-3 among the utility model the 3rd embodiment;
Fig. 7 B is the end view of another key switch device 2-4 among the utility model the 3rd embodiment.
For ease of clearly demonstrating, the single push-button structure that only lists in each embodiment of the present utility model in the key switch device proposes explanation.
See also Figure 1A and Figure 1B, Figure 1A represents that Figure 1B represents the exploded perspective view according to Figure 1A according to the three-dimensional combination figure of the key switch device 2-1 among the utility model first embodiment.
Shown in Figure 1B, the utility model key switch device 2-1 from bottom to top includes following element: a keycap 21, one scissor linkage 22, an elastic component 23, a circuit arrangement 24, a substrate 25 and a base plate 26.Below just describe at the structure of each element and mutual annexation thereof from bottom to top.
(a) base plate 26:
(b) substrate 25:
(c) circuit arrangement 24:
(d) keycap 21:
See also Fig. 2, its expression is according to the internal structure stereogram of the keycap among Figure 1B 21.Be formed with on the bottom surface 211 of keycap 21 a pair of second bearing 213,213 of space ' with a pair of the 3rd bearing 215,215 ', wherein, second guide bracket 213,213 ' for having the holder structure of U type shape grab, the 3rd bearing 215,215 ' be respectively two fixture block 215a, 215b with space and the holder structure that fixture block 215a ', 215b ' are constituted, and on the opposite face of two fixture block 215a, 215b and 215a ', 215b ', be formed with two groove 215c and 215c '.
(e) scissor linkage 22:
Scissor linkage 22 is combined by one first connecting elements 27 and one second connecting elements 29, wherein, first and second connecting elements 27,29 is the annular component of an approximate O type, articulates axle center a-a and pivot joint mutually with interleaved mode (being connected to first connecting elements 27 in second connecting elements 29) along one between this first and second connecting elements 27,29.
The structure of first connecting elements 27 can be divided into four parts: 271,272,273,274 integrated continuous annular members of rod member, wherein, rod member 271,272 connects rod member 273,274 simultaneously.Be formed with axis hole 273h, 274h respectively on the rod member 273,274, and on the both ends of rod member 273,274, be formed with symmetrical two axial region 273a, 274a respectively.Be formed with symmetrical two axial region 272a, 272a ' on the both ends of rod member 272 respectively.
The structure of second connecting elements 29 can be divided into five parts: 291,292,293,294,295 integrated members of rod member, wherein, rod member 291,292,295 connects rod member 293,294 simultaneously.Be formed with symmetrical axial region 293a, 294a on the rod member 293,294 respectively, and protrusion is formed with a guidance part 295P on rod member 295.
When carrying out making up between first and second connecting elements 27,29, be matched with axis hole 273h, 274h on first connecting elements, 27 rod members 273,274 respectively by axial region 293a, 294a on the rod member 293,294 of second connecting elements 29, so just finish the connection between first and second connecting elements 27,29, can carry out along axle center a-a mutually between this first and second connecting elements 27,29 as the swing as the scissors.
See also Fig. 3, Fig. 3 represents to be arranged on stereogram on the substrate 24 according to scissor linkage 22 among Figure 1B.
With regard to the annexation between scissor linkage 22 and the substrate 25, two first bearings, 251,251, the three connecting portions (rod member 291) that first connecting portion (two axial region 273a, 274a) is articulated in substrate 25 respectively movably are arranged at first guide bracket 252; With regard to the annexation between scissor linkage 22 and the keycap 21, second connecting portion (two axial region 272a, 272a ') be articulated in second bearing 213,213 ', the 4th connecting portion (rod member 292 of second connecting elements 29) be articulated in the 3rd bearing 215,215 ', this rod member 292 is sticked between fixture block 215a, 215b and fixture block 215a ', the 215b '.
Under the supporting role of two first bearings 215,251 and first guide bracket 252, scissor linkage 22 just can be at move (Fig. 4 C) that carries out on the substrate 25 between a primary importance I (Fig. 4 A, Fig. 4 B) and the second place II, and this first and second position I, II are benchmark with axle center a-a relative reference in the relative altitude of substrate 25.
(e) elastic component 23
See also Figure 1B, elastic component 23 is made the metal clips of type in being, this elastic component 23 includes a triggering portion 230, a first end 231, a second end 232 and a resilient portion 234, wherein, triggering portion 230 and resilient portion 234 are respectively by two of the impact style gained cantilever structure that hole 230H, 234H form that cracks, this triggering portion 230 switches in order to the switch unit 240 for circuit arrangement 24, and this resilient portion 234 is used to limit scissor linkage and moves between first, second position.
Below just explanation is proposed at the action relationships between scissor linkage 22, elastic component 23 and the circuit arrangement 24.
Please consult Fig. 3 again, and consult Fig. 4 A, Fig. 4 B and Fig. 4 C simultaneously.
Fig. 4 A is the end view of expression according to the key switch device 2-1 of Figure 1A, the plane Z1 that Fig. 4 B is expression in Figure 1A, the cutaway view of key switch device 2-1 that direction N1 carries out.Wherein, the axle center a-a of scissor linkage 22 is positioned at a primary importance I, and Fig. 4 C represents that the axle center a-a of the key switch device 2-1 in Fig. 4 B is positioned at a second place II.
Shown in Fig. 3 and Fig. 4 B, when elastic component 23 is combined in scissor linkage 22, this elastic component 23 is by its first and second end 231,232 and be cross-placed on respectively on the rod member 291 of rod member 271, second connecting elements 29 of first connecting elements 27, resilient portion 234 by elastic component 23 arch type shapes compresses and is contacted with on the rod member 295, so make the plan position approach, a-a place, axle center of scissor linkage 22 remain in the primary importance I shown in Fig. 3, Fig. 4 A and Fig. 4 B, and triggering portion 231 with a set distance W at a distance of in switch unit 240.
Shown in Fig. 4 C, when keycap 21 through stressed and when circuit arrangement 24 moves, keycap 21 promotes scissor linkage 22 and makes plan position approach, a-a place, its axle center move to second place II from the primary importance I, this moment, the resilient portion 234 of elastic component 23 produced distortion via the rod member 295 downward compressings of scissor linkage 22, and the guidance part 295P on rod member 295 promotes triggering portion 230 and also touches switch unit 240, makes that so the electrical connection between designed each switch unit 240 is able to conducting on the circuit arrangement 24.
In addition, after finishing the program that triggering portion 230 touches switch unit 240, just removable at the active force that keycap 21 outsides are applied, stored strength promoted first and second connecting elements 27,29 when the resilient portion 234 of pressurized just was out of shape by it at this moment, so made the plan position approach, a-a place, axle center of scissor linkage 22 return to the primary importance I from second place II once again.
See also Fig. 5 A and Fig. 5 B, Fig. 5 A represents that Fig. 5 B represents the exploded perspective view according to Fig. 5 A according to the three-dimensional combination figure of the key switch device 2-2 among the utility model second embodiment.
Be with the first embodiment difference, the key switch device 2-2 of present embodiment adopts two elastic components 33 of equity mutually, 33 ' reach first, two position I, the purpose that moves back and forth between the II, and set up a rod member 276 in first connecting elements 27 in the scissor linkage 22 in first embodiment and become one the 3rd connecting elements 27 ', set up a rod member 296 in second connecting elements 29 in scissor linkage 22 and become one the 4th connecting elements 29 ', the 3rd, four connecting elementss 27 ', 29 ' formed another scissor linkage 22 '.
Other is same as first element of implementing and structure adopts identical symbol, does not repeat them here.
Shown in Fig. 5 B, two elastic components 33,33 ' by the approximate V-type shape member of metal spring leaf institute moulding, each elastic component 33,33 ' include a first 331 and a second portion 332 has relative bent type hook portion 331C, 332C respectively on the terminal part position of this first and second part 331,332.
See also Fig. 6, Fig. 6 represents the schematic side view according to the key switch device 2-2 of Fig. 5 B.As shown in Figure 6, elastic component 33 by its bent type hook portion 331C, 332C bridge respectively be positioned the 4th connecting elements 29 ' rod member 292, the 3rd connecting elements 27 ' rod member 276, elastic component 33 ' by its bent type hook portion 331C, 332C bridge respectively be positioned the 3rd connecting elements 27 ' rod member 271, the 4th connecting elements 29 ' rod member 296.
When keycap 21 through stressed and when circuit arrangement 24 moves, keycap 21 promotes scissor linkage 22 and makes plan position approach, a-a place, its axle center is to move to second place II from the primary importance I, this moment two elastic components 33,33 ' via scissor linkage 22 ' the 3rd, four connecting elementss 27 ', 29 ' compressing and produce distortion, guidance part 295P ' promotion triggering portion 230 on the rod member 295 and touch switch unit 240 (Fig. 4 B that is same as among first embodiment is described), make that so the electrical connection between designed each switch unit 240 is able to conducting on the circuit arrangement 24, and after finishing the program that triggering portion 230 touches switch unit 240, just removable at the active force that keycap 21 outsides are applied, this moment pressurized two elastic components 33,33 ' just stored strength when being out of shape by it promote the 3rd, four connecting elementss 27 ', 29 ', so make scissor linkage 22 ' plan position approach, a-a place, axle center return to the primary importance I from second place II once again.
In this special instruction, among this embodiment, if only be provided with two elastic components 33,33 ' in any one the time, can reach purpose of the present invention too.
Fig. 7 A and Fig. 7 B represent according to two key switch device 2-3 among the utility model the 3rd embodiment, the end view of 2-4.
Be with the first embodiment difference, the elastic component that key switch device 2-3, the 2-4 of present embodiment adopted is with spring 43,53, setting by this spring 43,53 is to reach the purpose that moves back and forth between first and second position I, II, other is same as first element of implementing and structure adopts identical symbol, does not repeat them here.
Shown in Fig. 7 A, spring 43 is a Wound-rotor type spring, two terminal parts of this spring 43 are fixed on first and second connecting elements 27,29 in position A, B respectively, and this position A, B are on the interior sidewall surface of first and second connecting elements 27,29 between axle center a-a and the keycap 21.
Shown in Fig. 7 B, another spring 53 is a Wound-rotor type spring, two terminal parts of this spring 53 C of putting on the throne respectively, D and be fixed on second, one connecting elements 29,27, this position C, D are on the interior sidewall surface of second, one connecting elements 29,27 between axle center a-a and the circuit arrangement 24.
When keycap 21 through stressed and when circuit arrangement 24 moves, keycap 21 promotes scissor linkage 22 and makes plan position approach, a-a place, its axle center move to second place II from the primary importance I, this moment spring 43 (Fig. 7 A), spring 53 (Fig. 7 B) is passing through first of scissor linkage 22, two connecting elementss 27,29 rotate and are stretched along axle center a-a, the guidance part 295P (shown in Fig. 4 B) of rod member 295 touches switch unit 240 simultaneously, make that so the electrical connection between designed each switch unit 240 is able to conducting on the circuit arrangement 24, and after the active force that keycap 21 outsides are applied removes, this moment, the spring 43 (Fig. 7 A) or the spring 53 (Fig. 7 B) of tension just restPosed down first, two connecting elementss 27,29 along axle center a-a rotation, so makes the plan position approach, a-a place, axle center of scissor linkage 22 return to the primary importance I from second place II once again.
In addition, the guidance part 295P on the rod member 295 of second connecting elements 29 in the various embodiments described above (or the 4th connecting elements 29 ' rod member 295 ' on guidance part 295P ＇) can be arranged at first connecting elements 27 (or the 3rd connecting elements 27 ').
Claims (4)
1. a key switch device comprises a substrate; One circuit arrangement; One scissor linkage; One elastic component; One keycap is characterized in that, described substrate includes one first bearing and one first guide bracket; Described circuit arrangement is arranged on the described substrate, and described circuit arrangement includes at least one switch unit; Described scissor linkage is arranged on the described substrate to carry out moving between a primary importance and the second place, one first connecting elements and one second connecting elements that described scissor linkage includes a guidance part, articulates mutually, wherein, described first connecting elements has one first connecting portion and one second connecting portion, have one the 3rd connecting portion and one the 4th connecting portion in described second connecting elements, described first connecting portion is connected in described first bearing, and described the 3rd connecting portion is connected in described first guide bracket; Described elastic component is arranged on the described scissor linkage, described elastic component has one described scissor linkage is returned to the resilient portion and of described primary importance in order to trigger the triggering portion of described switch unit from the described second place, described keycap is arranged on the described scissor linkage, described keycap includes one second bearing and one the 3rd bearing, described second connecting portion is in order to be connected in described second bearing, and described the 4th connecting portion is in order to be connected in described the 3rd bearing; When described keycap through stressed when described circuit arrangement moves, described scissor linkage moves to the described second place from described primary importance, and described resilient portion is subjected to the compressing of described scissor linkage simultaneously and produces distortion, and described guidance part promotes described triggering portion and touch described switch unit when the described second place.
2. key switch device as claimed in claim 1 is characterized in that, described elastic component is arranged at described first and second connecting elements.
3. key switch device as claimed in claim 2 is characterized in that, described elastic component is a metal clips, and described resilient portion, described triggering portion are shaped in one-body molded mode.
4. as claim 1 or 2 or 3 described key switch devices, it is characterized in that described guidance part protrudes and is arranged on described second connecting elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00206971 CN2423647Y (en) | 2000-04-25 | 2000-04-25 | Key switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00206971 CN2423647Y (en) | 2000-04-25 | 2000-04-25 | Key switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2423647Y true CN2423647Y (en) | 2001-03-14 |
Family
ID=33574761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00206971 Expired - Lifetime CN2423647Y (en) | 2000-04-25 | 2000-04-25 | Key switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2423647Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437861C (en) * | 2005-08-26 | 2008-11-26 | 达方电子股份有限公司 | Push-button structure, push-button supporting structure and its producing method |
| CN101609758B (en) * | 2008-06-16 | 2011-10-12 | 达方电子股份有限公司 | Push-button structure |
| CN102364653A (en) * | 2011-09-26 | 2012-02-29 | 苏州达方电子有限公司 | Key and keyboard thereof |
| CN106229172A (en) * | 2016-03-25 | 2016-12-14 | 苏州达方电子有限公司 | Button and keyboard thereof |
| CN106913366A (en) * | 2011-06-27 | 2017-07-04 | 内布拉斯加大学评议会 | Tracing system and Computer Aided Surgery method that instrument is carried |
| CN108109866A (en) * | 2016-11-25 | 2018-06-01 | 博西华电器（江苏）有限公司 | The elastic support of button and the household electrical appliance with the elastic support |
| TWI644338B (en) * | 2017-06-12 | 2018-12-11 | 光寶電子（廣州）有限公司 | Keyboard, key module, supporter activating module and method of manufacturing the supporter activating module |
| US10607794B2 (en) | 2017-06-12 | 2020-03-31 | Lite-On Electronics (Guangzhou) Limited | Keyboard, key module, movable switch mechanism and method for manufacturing movable switch mechanism |
| US11923159B2 (en) | 2021-12-16 | 2024-03-05 | Darfon Electronics Corp. | Keyswitch structure and keycap support mechanism thereof |
-
2000
- 2000-04-25 CN CN 00206971 patent/CN2423647Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437861C (en) * | 2005-08-26 | 2008-11-26 | 达方电子股份有限公司 | Push-button structure, push-button supporting structure and its producing method |
| CN101609758B (en) * | 2008-06-16 | 2011-10-12 | 达方电子股份有限公司 | Push-button structure |
| CN106913366A (en) * | 2011-06-27 | 2017-07-04 | 内布拉斯加大学评议会 | Tracing system and Computer Aided Surgery method that instrument is carried |
| CN102364653A (en) * | 2011-09-26 | 2012-02-29 | 苏州达方电子有限公司 | Key and keyboard thereof |
| CN106229172A (en) * | 2016-03-25 | 2016-12-14 | 苏州达方电子有限公司 | Button and keyboard thereof |
| CN106229172B (en) * | 2016-03-25 | 2018-07-06 | 苏州达方电子有限公司 | Button and its keyboard |
| CN108109866A (en) * | 2016-11-25 | 2018-06-01 | 博西华电器（江苏）有限公司 | The elastic support of button and the household electrical appliance with the elastic support |
| TWI644338B (en) * | 2017-06-12 | 2018-12-11 | 光寶電子（廣州）有限公司 | Keyboard, key module, supporter activating module and method of manufacturing the supporter activating module |
| US10607794B2 (en) | 2017-06-12 | 2020-03-31 | Lite-On Electronics (Guangzhou) Limited | Keyboard, key module, movable switch mechanism and method for manufacturing movable switch mechanism |
| US11923159B2 (en) | 2021-12-16 | 2024-03-05 | Darfon Electronics Corp. | Keyswitch structure and keycap support mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010314 |