CN2359794Y - Push-button switch device - Google Patents
Push-button switch device Download PDFInfo
- Publication number
- CN2359794Y CN2359794Y CN 98245703 CN98245703U CN2359794Y CN 2359794 Y CN2359794 Y CN 2359794Y CN 98245703 CN98245703 CN 98245703 CN 98245703 U CN98245703 U CN 98245703U CN 2359794 Y CN2359794 Y CN 2359794Y
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- CN
- China
- Prior art keywords
- key switch
- switch device
- support arm
- axostylus axostyle
- keycap
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- 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 push-key switch device, which comprises a basal plate, a key cap, a first connecting component, a second connecting component and an elastic component, wherein, the basal plate is provided with a first guiding seat and a first bearing seat; the key cap is provided with a second guiding seat and a second bearing seat; the first connecting component is provided with two first supporting arms, a first guiding rod and a first shaft rod, wherein, the first guiding rod and the first shaft rod are respectively arranged at both ends of the first supporting arms and are connected with the first guiding seat and the second bearing seat in a slideable mode and a rotatable mode; the second connecting component is provided with two second supporting arms, a second guiding rod and a second shaft rod, wherein, the second guiding rod is respectively arranged at one end of the second connecting component, the second shaft rod at the other end is extended at both sides to presents a T shape, and the second guiding rod and the second shaft rod are connected with the second guiding seat and the first bearing seat respectively in a slideable mode and a rotatable mode; the second supporting arms are pivoted with the first supporting arms; the elastic component is arranged between the basal plate and the key cap, and the elastic component causes the key cap to move from the second position to the first position by means of elasticity.
Description
The utility model relates to a kind of key switch device, forms the key switch device of an approximate T type shape axial region on particularly a kind of free end of the rod member at the open type arm element.
Fig. 1 is the diagram of expression Taiwan patent gazette No. 86200053 it " key switch with shearing arm element ".The U.S. Patent number of this patent case is 5,746,308 they " PUSH BUTTONSWITCH HAVING SCISSORS-TYPE ARM MEMBERS ".
Consult the exploded perspective view of above-mentioned existing key switch shown in Figure 1, first coupling member 17 among the figure is an open type arm element, have two protruding pin 174a, 174a on the free end of its first and second bogie side frame 171,171, wherein, protruding pin 174a, 174a protrude and are arranged on the outer surface of first and second bogie side frame 171,171, and protruding pin 174a, 174a are in order to the pivot on the surface 185 that is articulated in substrate 18 respectively. connect hole 183,183.Therefore, when carrying out to pressing action to button 11, because first coupling member 17 is a U type open type structural detail, under pivot joint mated condition only by protruding pin 174a, 174a and pivoted hole 183,183, because two protruding pin 174a, 174a be first and second bogie side frame 171,171 of monolateral support U type shape first coupling member 17 in the outside only, that is first and second bogie side frame 171,171 inboards of U type shape first coupling member 17 there is no support.Therefore first coupling member 17 is in articulating rotation process, just torsional deformation to the inside easily, and then make button 11 in moving process, produce the dancing (wobbling) of left and right inclination.
In view of this, the purpose of this utility model is to provide a kind of key switch device, and its every shortcoming that is directed to above-mentioned prior art proposes improvement.
The purpose of this utility model is achieved in that promptly provides a kind of key switch device, and it comprises: a substrate has at least one first guide bracket and 2 first bearings; One keycap moves between a primary importance of leaving described substrate and a second place, has at least one second guide bracket and at least one second bearing on the described keycap; One first coupling member, have 2 first support arms and be arranged at first guide rod and first axostylus axostyle at the described first support arm two ends respectively, and described first guide rod and first axostylus axostyle slidably reach rotary way respectively and be connected in described first guide bracket and second bearing; One second coupling member, have 2 second support arms and be arranged at second guide rod of described second support arm, one end, the other end of described second support arm is provided with second axostylus axostyle that extends the described second support arm both sides and be similar T type, and described second guide rod and second axostylus axostyle slidably reach rotary way respectively and are connected in described second guide bracket and first bearing, and described second support arm is articulated in described first support arm simultaneously; And an elastic component, be arranged between described substrate and the keycap, make described keycap move to primary importance by the described second place by elasticity.
The utility model also provides a kind of key switch device, and it comprises: a substrate has at least one first guide bracket and at least one first bearing; One keycap moves between a primary importance of leaving described substrate and a second place, has at least one second guide bracket and 2 second bearings on the described keycap; One first coupling member, have 2 first support arms and be arranged at first guide rod of described first support arm, one end, the other end of described first support arm is provided with first axostylus axostyle, described first axostylus axostyle is set to extend towards the both sides of described first support arm and is the structure of similar T type, and first guide rod of described first coupling member and first axostylus axostyle are connected in described first guide bracket and second bearing slidably to reach rotary way respectively; One second coupling member, have 2 second support arms and be arranged at second guide rod of described second support arm, one end, the other end of described second support arm is provided with second axostylus axostyle, and second guide rod of described second coupling member and second axostylus axostyle movably reach rotary way respectively and are connected in described second guide bracket and first bearing, and described second support arm is articulated in described first support arm simultaneously; And an elastic component, be arranged between described substrate and the keycap, make described keycap move to primary importance by the described second place by elasticity.
What is more, and second axostylus axostyle that has inwardly the second axle part that extends relatively and the 3rd axial region that extends outwardly also can be arranged on first coupling member and articulate with keycap and to link.
The advantage of the utility model device is, the axial region of one approximate T shape is set respectively on the free end of two rod members of the open type arm element in the keycap supporting device, increase the open type arm element of keycap supporting device and the contact area of substrate by axial region, make the open type arm element when articulating rotation, can quite stable and can not swing (wobbling), when the openend of open type arm element is articulated in the keycap bottom surface, the axial region structure of T shape also can be installed and be articulated in the keycap bottom surface, to increase the stability of keycap.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the three-dimensional exploded view of Taiwan patent gazette No. 86200053 it " key switch with scissor arm element ";
Fig. 2 is the three-dimensional exploded view of first embodiment of the utility model key switch device;
Fig. 3 is the stereogram of the keycap polycrystalline substance of the utility model key switch device;
Fig. 4 is that the keycap supporting device of the utility model key switch device is combined in the stereogram on the substrate;
Fig. 5 is that keycap of the present utility model is in the profile of a primary importance of leaving substrate;
Fig. 6 is that keycap of the present utility model is in the profile of a second place of leaving substrate;
Fig. 7 is the three-dimensional exploded view of second embodiment of the utility model key switch device;
Fig. 8 is the stereogram of the keycap polycrystalline substance of key switch device shown in Figure 7;
Fig. 9 is that the keycap supporting device of key switch device shown in Figure 7 is combined in the stereogram on the substrate.
Consult the exploded perspective view of first embodiment of the utility model key switch device shown in Figure 2, the bottom position of this key switch device 2 has a base plate 20, set element is respectively a keycap 21, a keycap supporting device 22, the bowl-shape elastic component 23 of a colloid, a substrate 24 and a switching device shifter 25 on base plate 20, wherein, this switching device shifter 25 is a circuit film.
As shown in Figure 2, the upper surface 240 of substrate 24 have two first bearings 243,243 of one first guide bracket 241 and space ', and first guide bracket 241 and two first bearings 243,243 ' between have one the perforation 242, this perforation 242 runs through substrate 24, by boring a hole 242 to hold bowl-shape elastic component 23.First guide bracket 241 forms the structure that is just like uncinus, and each first bearing 243,243 ' be made of two fixture block 243a, 243a ' with space and one 243b that cracks wherein, is cracked 243b between two fixture block 243a, 243a '.
Consult the polycrystalline substance of keycap 21 shown in Figure 3, be formed with on the bottom surface 211 of this keycap 21 a pair of second guide bracket 213,213 of space ' with a pair of second bearing 215,215 ', wherein, second guide bracket 213,213 ' for having the holder structure of U type shape grab, and two fixture block 215a, 215b that second bearing 215,215 ' be respectively has the space and the holder structure of 215a ', 215b ', and on the apparent surface between fixture block 215a and 215b, fixture block 215a ' and the 215b ', be formed with groove 215c, 215c ' respectively.This keycap 21 is connected on this keycap supporting device 22, carries out the reciprocating motion of finite displacement on substrate 24 by keycap supporting device 22.Fig. 5,6 represents that respectively keycap 21 carries out moving of finite displacement between a primary importance (Fig. 5) of leaving substrate 24 and a second place (Fig. 6).
This keycap supporting device 22 is arranged between keycap 21 and the substrate 24, it is made up of one first coupling member 27 and one second coupling member 29, wherein, articulate into a scissor connection rod set mutually between second coupling member 29 and first coupling member 27, as shown in Figure 5.
This second coupling member 29 is the open type member of an approximate U type shape, it has at interval and two second symmetrical support arms 291,291 ', and two second support arms 291,291 ' between connect by one second guide rod 293.On the both ends of the longitudinally of second guide rod 293, be formed with two axial region 293a, 293a ', in two second support arms 291,291 ' the centre position on be formed with respectively and articulate perforation 292a, 292a ', and two free end 291E in second coupling member 29,291E ' is provided with second axostylus axostyle, this second axostylus axostyle is for to be protruding with two columned second respectively on the second support arm dual-side, three axial region 294a, 294b and 294a ', the structure of 294b ', wherein, the second axle part 294a, 294a ' extends outwardly in the opposite direction in second support arm 291,291 ' the outside, and the 3rd axial region 294b, 294b ' then extends inwardly in mode respect to one another.Above-mentioned second and third axial region 294a, 294a ', 294b, 294b ' are the axostylus axostyle of concentric.
This first coupling member 27 is an annular enclosed type member, and it is by two first support arms 271,271 ' formed with one first axostylus axostyle 273, one first guide rod 275.Between first axostylus axostyle 273 and first guide rod 275 by two first support arms 271,271 ' be connected, wherein in two first support arms 271,271 ' mid point be provided with two axial region 272a, 272a ', two axial region 272a, 272a ' protrude from first support arm 271, the 271 ' outside side with symmetry and opposite bearing of trend, two axial region 272a, 272a ' in order to second support arm 291,291 that is articulated in second coupling member 29 respectively ' pivot joint perforation 292a, 292a ' in.So, first coupling member 27 and second coupling member 29 be just by axial region 272a, 272a ' and perforation 292a, 292a ' cooperating and articulate between mutually, and then form the scissor connection rod set that can rotate mutually as shown in Figure 4.
Scissor connection rod set after the combination has four coupling parts, that is, two axial region 293a (293a ') of (1) second coupling member 29; Second and third axial region 294a (294a ') of (2) second coupling members 29,294b (294b '); First axostylus axostyle 273 of (3) first coupling members 27; And first guide rod 275 of (4) first coupling members 27, these four coupling parts are connected to keycap 21 and substrate 24 respectively.Below just describe at the engagement relationship between each connecting portion and each the bearing portion.
Please consult Fig. 3,4 simultaneously, two axial region 293a, the 293a ' of second coupling member 29 slidably be connected in respectively second guide bracket 213,213 of keycap 21 ' on, and two axial region 294a, the 294a ' of second coupling member 29 with rotating mode be articulated in respectively first bearing 243,243 of substrate 24 ' on, be about to two axial region 294a, 294a ' respectively via first bearing 243,243 ' two fixture block 243a, 243a ' and the location is directed among the 243b that cracks.Because two axial region 294a, 294a ' are formed at two outer side edges of the end 291E of second support arm 291, and extend to the inside by two axial region 294b, 294b ' simultaneously, so can effectively increase the free end of second coupling member 29 and the contact area between the substrate 24, torsional deformation when preventing to move, the stability when on substrate 24, articulating rotation to improve second coupling member 29.
Shown in Fig. 5,6, when two second support arms 291,291 of second coupling member 29 ' on two second axostylus axostyle 294a, 294a ' when slipping in the 243b that cracks, 243b along the gap between two fixture block 243a, the 243a ', the 3rd axostylus axostyle 294b, 294b ' just hold among be positioned to crack 243b, the 243b simultaneously, and the second axostylus axostyle 294a (294a ') just is articulated on the 243b that cracks, the 243b interior sidewall surface with rotary way with the outer rim of the 3rd axostylus axostyle 294b (294b ').For the assembling of being more convenient for, the end face of two fixture block 243a, 243a ' also more can form to the inclined-plane of the inclination of cracking, and is beneficial to two second axostylus axostyle 294a, 294a ' and slips into the location.
Thus, contact area between second coupling member 29 and substrate 24 and the switching device shifter 25 just increases via the second axle part 294a (294a '), the 3rd axial region 294b (294b '), that is the support arm both sides of second coupling member, 29 openends are all supported to some extent, therefore when keycap 21 stressed upper and lower when mobile, two second support arms 291,291 ' just can stably move, and can not produce torsional deformation and cause the swing (wobbling) of keycap 21.
Similarly, the relation of the pivot joint between the second axle part 294a (294a ') of second coupling member 29 in the foregoing description, the 3rd axial region 294b (294b ') and the substrate 24 can be applied to first coupling member 37 and keycap 31 among second embodiment of the present utility model shown in Fig. 7,8,9 equally.
As shown in Figure 7, first coupling member 37 among second embodiment is a U type member, it comprise two second support arms 371,371 ' with one first guide rod 375, wherein, first guide rod, 375 connections, two second support arms 371,371 ', first guide rod 375 slidably is connected on first guide bracket 241, and two axial region 372a, 372a ' in order to second support arm 291,291 that is articulated in second coupling member 29 respectively ' pivot joint perforation 292a, 292a '.
Different is with first embodiment, first coupling member 37 is an open type supporting structure, its second support arm 371,371 ' two free end 371E, 371E ' be provided with second axostylus axostyle, this second axostylus axostyle is made up of relative outward extending the second axle part 374a of this second support arm (374a ') and the 3rd axial region 374b (374b ') that extends internally relatively.Relatively, protrusion formation two second bearings 315,315 on the bottom 311 of keycap 31 shown in Figure 8 ', each second bearing 315,315 ' respectively includes two guide block 315a, 315b and two guide block 315a ', 315b ', wherein, on the apparent surface between guide block 315a and 315b, guide block 315a ' and the 315b ', be formed with dimple 315c, 315c ' respectively.
Therefore, when second support arm 371,371 of first coupling member 37 ' on the second axle part 374a (374a '), the 3rd axial region 374b (374b ') when being articulated in keycap 31, its combination action is articulated in respectively on dimple 315c, the 315c ' for the second axle part 374a, 374a ' are imported via the cracking location between two guide blocks, and one of the 3rd axial region 374b, 374b ' outer rim side just is contacted with on the bottom 311 of keycap 31.Thus, when the user operates keycap 31, the supporting role that contacts by the bottom 311 of the 3rd axial region 374b, 374b ' and keycap 31, scissor connection rod set 22 is " when mobile; open type first coupling member 37 is just more firm; the situation that does not have any side direction torsional deformation takes place, and reduces the chance that produces the keycap swing.And if the assembling of being more convenient for, the end face of two guide block 315a, 315b (315a ', 315b ') also more can form to the inclined-plane of two fixture block intermediate, inclined, is beneficial to strengthen the effect that two the second axle part 374a, 374a ' slip into the location.
And if dimple 315c, 315c ' on the apparent surface between two guide block 315a and 315b, two guide block 315a ' and the 315b ' are not arranged at guide block and keycap junction, and when being arranged in the middle of the guide block, another then is set to supporting guide block to articulate the 3rd axial region 374b, 374b ', also can reach the effect that supports first coupling member 37, reduces the torsional deformation situation this moment.
Claims (20)
1. key switch device, it is characterized in that it comprises: a substrate has at least one first guide bracket and 2 first bearings; One keycap moves between a primary importance of leaving described substrate and a second place, has at least one second guide bracket and at least one second bearing on the described keycap; One first coupling member, have 2 first support arms and be arranged at first guide rod and first axostylus axostyle at the described first support arm two ends respectively, and described first guide rod and first axostylus axostyle slidably reach rotary way respectively and be connected in described first guide bracket and second bearing; One second coupling member, have 2 second support arms and be arranged at second guide rod of described second support arm, one end, the other end of described second support arm is provided with second axostylus axostyle that extends the described second support arm both sides and be similar T type, and described second guide rod and second axostylus axostyle slidably reach rotary way respectively and are connected in described second guide bracket and first bearing, and described second support arm is articulated in described first support arm simultaneously; And an elastic component, be arranged between described substrate and the keycap, make described keycap move to primary importance by the described second place by elasticity.
2. key switch device as claimed in claim 1 is characterized in that, described first bearing is made up of two fixture blocks.
3. key switch device as claimed in claim 2 is characterized in that, forms two inclined-planes on the end face of described two fixture blocks respectively, and described two inclined-planes are to the intermediate, inclined of described two fixture blocks.
4. key switch device as claimed in claim 3 is characterized in that, two fixture blocks of described first bearing form a line of rabbet joint down.
5. key switch device as claimed in claim 4 is characterized in that, an end of described at least second axostylus axostyle is articulated in the described line of rabbet joint.
6. key switch device as claimed in claim 1 is characterized in that described substrate has switching device shifter, and described switching device shifter switches by described elastic component.
7. key switch device as claimed in claim 6 is characterized in that, described switching device shifter is a circuit film.
8. key switch device as claimed in claim 7 is characterized in that, has the perforate that can hold described elastic component on the described substrate.
9. key switch device as claimed in claim 8 is characterized in that it more includes a base plate, and described switching device shifter is arranged between described substrate and the base plate.
10. key switch device as claimed in claim 1 is characterized in that described elastic component is made by colloidal materials.
11. a key switch device is characterized in that it comprises: a substrate has at least one first guide bracket and at least one first bearing; One keycap moves between a primary importance of leaving described substrate and a second place, has at least one second guide bracket and 2 second bearings on the described keycap; One first coupling member, have 2 first support arms and be arranged at first guide rod of described first support arm, one end, the other end of described first support arm is provided with first axostylus axostyle, described first axostylus axostyle is set to extend towards the both sides of described first support arm and is the structure of similar T type, and first guide rod of described first coupling member and first axostylus axostyle are connected in described first guide bracket and second bearing slidably to reach rotary way respectively; One second coupling member, have 2 second support arms and be arranged at second guide rod of described second support arm, one end, the other end of described second support arm is provided with second axostylus axostyle, and second guide rod of described second coupling member and second axostylus axostyle movably reach rotary way respectively and are connected in described second guide bracket and first bearing, and described second support arm is articulated in described first support arm simultaneously; And an elastic component, be arranged between described substrate and the keycap, make described keycap move to primary importance by the described second place by elasticity.
12. key switch device as claimed in claim 11 is characterized in that, described second bearing is made up of two fixture blocks.
13. key switch device as claimed in claim 12 is characterized in that, forms two inclined-planes on the end face of described two fixture blocks respectively, described two inclined-planes are to the intermediate, inclined of described two fixture blocks.
14. key switch device as claimed in claim 13 is characterized in that, forms a dimple in described two fixture blocks.
15. key switch device as claimed in claim 14 is characterized in that, an end of described first axostylus axostyle is articulated in the described dimple.
16. key switch device as claimed in claim 11 is characterized in that, described substrate has switching device shifter, and described switching device shifter switches by described elastic component.
17. key switch device as claimed in claim 16 is characterized in that, described switching device shifter is a circuit film.
18. key switch device as claimed in claim 17 is characterized in that, has the perforate that can hold described elastic component on the described substrate.
19. key switch device as claimed in claim 18 is characterized in that, it more includes a base plate, and described switching device shifter is arranged between described substrate and the base plate.
20. key switch device as claimed in claim 11 is characterized in that, described elastic component is made by colloidal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98245703 CN2359794Y (en) | 1998-11-03 | 1998-11-03 | Push-button switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98245703 CN2359794Y (en) | 1998-11-03 | 1998-11-03 | Push-button switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2359794Y true CN2359794Y (en) | 2000-01-19 |
Family
ID=33991364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98245703 Expired - Lifetime CN2359794Y (en) | 1998-11-03 | 1998-11-03 | Push-button switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2359794Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728487B (en) * | 2004-07-22 | 2010-08-04 | 哈曼贝克自动系统股份有限公司 | Controller device and car multimedia device |
-
1998
- 1998-11-03 CN CN 98245703 patent/CN2359794Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728487B (en) * | 2004-07-22 | 2010-08-04 | 哈曼贝克自动系统股份有限公司 | Controller device and car multimedia device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: BENQ ELECTRONS STOCK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Benq Corp. Patentee before: Benq Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |