CN2594953Y - Multifunctional button - Google Patents
Multifunctional button Download PDFInfo
- Publication number
- CN2594953Y CN2594953Y CN 02250336 CN02250336U CN2594953Y CN 2594953 Y CN2594953 Y CN 2594953Y CN 02250336 CN02250336 CN 02250336 CN 02250336 U CN02250336 U CN 02250336U CN 2594953 Y CN2594953 Y CN 2594953Y
- Authority
- CN
- China
- Prior art keywords
- key
- joint portion
- contact layer
- multifunction push
- cover plate
- 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 - Fee Related
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Abstract
The utility model relates to a multifunctional key, which comprises a plurality of key bodies and a contact layer, wherein, each key body is mutually independent, and the bottom of the key body is provided with chamber. The contact layer comprises a body and a plurality of combination parts which are corresponding to the key bodies, the top of the combination part is provided with a projection, the key body is arranged on the combination part, and the projection of the combination part is arranged in the chamber. When the utility model is arranged in a portable electronic device, a key cover plate is arranged on the utility model, and a circuit board is arranged under the utility model. With the key structure, the key bodies can not be mutually influenced at all, and therefore, the utility model can prevent misoperation.
Description
[technical field]
The utility model is the button that is used for portable electron device about a kind of, refers in particular to a kind of multifunction push key that is used for portable electronic equipment.
[background technology]
The keyboard of portable electron device such as personal digital assistant, mobile phone, beep-pager and calculator all comprises multidirectional or multifunction push key usually, and multidirectional or multifunction push key comprises that upper and lower both direction or upper and lower, left and right four direction are to realize the scroll-up/down demonstration of information on the display screen or moving of screen cursor more.Described multidirectional or multifunction push key mostly is the one design, and its middle part has been provided with the projection of leverage, and when pushing a direction, slightly perk electrically contacts thereby only form on the direction of being pushed other directions owing to protruding leverage.The button that No. the 00124301.2nd, Chinese patent application and United States Patent (USP) are disclosed for the 6th, 157, No. 323 is this type of multifunction push key.
Chinese patent application has disclosed another kind of multifunction push key 99110868.X number, at the above-mentioned multifunction push key middle part of upper and lower both direction that comprises one hole is set, ccontaining one relatively independent center button in the hole is provided with the assembly of tool pivot action and the multifunction push key upper/lower terminal can be pressed respectively in the both sides at multifunction push key middle part.Like this, just formed multifunction push key with three directions in upper, middle and lower.
This type of button can be user-friendly and can be reduced button and take up space, thereby has in the industry cycle obtained using widely.But owing to need to adopt the projection of tool leverage or pivot so that braking mutually between all directions of multifunction push key, and design is restricted.Around the button of center, design the multifunction push key of three or three above directions of tool when need, then be difficult to be provided with the projection or the pivot of tool leverage, and multifunction push key is an integral body, need to adopt the flexible made of tool more, even so, still be difficult to eliminate influencing each other between all directions button fully, and easily cause misoperation, the conductive contact of button bottom the conducting simultaneously and equipment that causes linking to each other with keyboard breaks down.
[summary of the invention]
The purpose of this utility model is to provide a kind of multifunction push key that prevents misoperation.
The purpose of this utility model is achieved in that the utility model multifunction push key comprises a plurality of key bodies and contact layer.Separate between each key body, its bottom is provided with chamber.Contact layer comprises body and a plurality of joint portions corresponding with key body, and the top, joint portion is provided with projection.Key body places on the joint portion, and the projection of joint portion is placed in its chamber.When multifunction push key was arranged at portable electron device, its top was provided with the key cover plate, and the bottom is provided with circuit board.
Compared with prior art, advantage of the present utility model is: adopt this press-key structure, multifunction push key in use because key body is separate, can influence each other fully between the key body, thereby can prevent misoperation.And this kind multifunction push key structure need not adopt projection or pivot, and is simple in structure, easily manufactured.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model multifunction push key.
Fig. 2 is the three-dimensional exploded view of another angle of the utility model multifunction push key.
Fig. 3 is the assembling stereogram of the utility model multifunction push key.
Fig. 4 is the assembling stereogram of another angle of the utility model multifunction push key.
Fig. 5 is the three-dimensional exploded view of another embodiment of the utility model multifunction push key.
[embodiment]
See also illustrated in figures 1 and 2, the utility model multifunction push key comprises center button 1, a plurality of separate key body 2 (being four in the present embodiment), elastic washer 3 and contact layer 4, and when described multifunction push key is installed on the portable electron device (not shown), be arranged on the key cover plate 5 of multifunction push key top and the circuit board 6 that contacts with the multifunction push key bottom.
Four key bodies 2 are separate, and shape is consistent usually, and it forms an annulus that encloses around center button 1 jointly.Key body 2 is the hollow cavity of bottom opening, and its internal cavities is separated into two parts chamber 24 by the cross wall 22 that is located at its middle part.The stopper slot 26 of perforation is further offered near the place, two ends in key body 2 bottoms.
The main body of contact layer 4 is a body 42, and contact layer 4 is provided with circular central platform 44, and its center is provided with center salient point 442.Be provided with a plurality of joint portions 46 and containing hole 48 between central platform 44 and the body 42.Joint portion 46 and containing hole 48 at interval, evenly be arranged into ring-type are trapped among around the central platform 44.Joint portion 46 is step-like, the segment thickness minimum that it is connected with central platform 44, and the stage portion of its thickness maximum is divided into two parts projection 464 by the translot 462 that is located at its middle part.The surface that the part that joint portion 46 is connected with body 42 exceeds body 42 forms a bulge loop 466.The basal surface of central platform 44 and joint portion 46 at grade, the basal surface of this plane and body 42 has certain distance and forms one and be recessed into the space.Be respectively equipped with contact point 49 in the center of central platform 44 basal surfaces and the position of the close central platform 44 of each joint portion 46 basal surfaces.Further be provided with a plurality of pin-and-holes 424 and boss containing hole 426 on the body 42.The contact layer of other buttons is an one on contact layer 4 and the portable electron device.
During assembling, the spacer ring body 32 of elastic washer 3 is nested with on the bulge loop 466 of contact layer 4 joint portions 46, two adjacent elastic arm 34 correspondences of close together are placed in the containing hole 48 of contact layer 4.Assemble one joint portion 46 of the corresponding respectively contact layer 4 of each key body 2, after in the chamber 24 of key body 2, splashing into viscose glue, be inserted in joint portion 46, two projections 464 of joint portion 46 are placed in respectively in two chambers 24 of key body 2 and with its bonding, and in the corresponding translot 462 that inserts joint portions 46 of the cross wall 22 of key body 2.The interference fit that also is connected chamber 24 and the projection 464 of joint portion 46 that can be by key body 2 of key body 2 and joint portion 46 realizes.Simultaneously, stopper slot 26 correspondences of key body 2 snap in the elastic arm 34 of elastic washer 3.Two stopper slots, the 26 corresponding a pair of elastic arms 34 of each key body 2.In the centre bore 12 of center button 1, splash into viscose glue, be placed on again on the central platform 44 of contact layer 4, center salient point 442 is inserted in the centre bores 12, and with its bonding, or utilize interference fit that the centre bore 12 of center button 1 is connected with center salient point 442.Multifunction push key part i.e. assembling finishes.
In the time of multifunction push key need being installed to portable electron device, the alignment pin on the key cover plate 5 58 is passed the pin-and-hole 424 of contact layer 4 and the dowel hole 66 of circuit board 6 in turn.Simultaneously, the positive stop lug boss 562 of key cover plate 5 also inserts in the boss containing hole 426 of contact layer 4.The thickness of the height of positive stop lug boss 562 and contact layer 4 is roughly the same, thereby after positive stop lug boss 562 passed the boss containing hole 426 of contact layer 4, its end face contacted with circuit board 6.Again screw 7 is passed circuit board 6 and insert in the screw hole 56 of key cover plate 5, splash into the fixing i.e. assembling of viscose glue bonding by glue-dropping hole 59 and finish.Multifunction push key after the assembling as shown in Figures 3 and 4.
When using the multifunction push key of portable electron device, a key body 2 that is exposed to key cover plate 5 outsides is depressed, joint portion 46 and a pair of elastic arm 34 corresponding with it also are pressed thereupon, and the contact point 49 of joint portion 46 correspondences is realized conducting with 62 contacts of corresponding contact chip.After being applied to the power disappearance on the key body 2, because the elastic force effect of elastic arm 34 recoveries self shape, and make key body 2 and joint portion 46 resiliences, conduct disconnection.
See also shown in Figure 5, in another embodiment, the utility model multifunction push key only comprises center button 1, a plurality of separate key body 2 and contact layer 4, and when described multifunction push key is installed on the portable electron device, be arranged on the key cover plate 5 of multifunction push key top and the circuit board 6 that contacts with the multifunction push key bottom.The structure of corresponding assembly is roughly the same among the structure of center button 1, key body 2 and contact layer 4 and first embodiment, the joint portion 46 of contact layer 4 and the certain elasticity of junction tool of body 42, center button 1 is fixed on the central platform 44 of contact layer 4 by bonding or interference fit, in the centre bore 12 that the center salient point 442 at central platform 44 centers holds as for center button 1 bottom.Key body 2 is fixed in corresponding joint portion 46 by bonding or interference fit, and the projection 464 of joint portion 46 is placed in the chamber 24 of key body 2 bottoms.When multifunction push key places portable electron device, by next key body 2, corresponding contact chip 62 contacts and realization electrical connection on the contact point 49 of contact layer 4 bottoms and the circuit board 6.After the power on the key body 2 of being applied to is removed,, be electrically connected to disconnect owing to the elastic reaction of the joint portion 46 of contact layer 4 and body 42 junctions makes joint portion 46 and key body 2 return to original position.Compared to first embodiment, elastic washer 3 can save, and directly provides recovery elastic force by contact layer 4.
Claims (10)
1. multifunction push key, comprise a plurality of key bodies and contact layer, contact layer comprises body and a plurality of joint portions that are connected with body, it is characterized in that: separate between described each key body, be provided with containing hole between the described joint portion, the certain elasticity of junction tool of body and joint portion, key body is individually fixed on the joint portion.
2. multifunction push key as claimed in claim 1 is characterized in that: described joint portion is arranged in ring-type.
3. multifunction push key as claimed in claim 2 is characterized in that: described key body is the hollow cavity of bottom opening, and its cavity is separated into two chambers by the cross wall that is located at its middle part.
4. multifunction push key as claimed in claim 3 is characterized in that: the joint portion of described contact layer is step-like, and the step middle part of its thickness maximum is provided with translot, and it is divided into two parts projection, and this projection is placed in the chamber of key body.
5. multifunction push key as claimed in claim 4 is characterized in that: the basal surface of the joint portion of described contact layer is recessed in the basal surface of body and forms recessed space, and its basal surface is provided with contact point.
6. the keyboard of a portable electron device, it places on the circuit board, comprise a plurality of key bodies and contact layer, contact layer comprises body and a plurality of joint portions that are connected with body, it is characterized in that: described multifunction push key further comprises a key cover plate, which is provided with keyhole, separate between described each key body, be provided with containing hole between the described joint portion, the certain elasticity of junction tool of body and joint portion, key body is individually fixed on the joint portion, and is exposed to the surface of key cover plate by keyhole.
7. the keyboard of portable electron device as claimed in claim 6, it is characterized in that: described joint portion is arranged in ring-type.
8. the keyboard of portable electron device as claimed in claim 7, it is characterized in that: described key body is the hollow cavity of bottom opening, its cavity is separated into two chambers by the cross wall that is located at its middle part.
9. the keyboard of portable electron device as claimed in claim 8, it is characterized in that: the joint portion of described contact layer is step-like, the step middle part of its thickness maximum is provided with translot, it is divided into two parts projection, this projection is placed in the chamber of key body, the basal surface of joint portion is recessed in the basal surface of body and forms recessed space, and its basal surface is provided with contact point.
10. the keyboard of portable electron device as claimed in claim 9, it is characterized in that: described circuit board is provided with a plurality of contact chips, screw and dowel hole, described key cover plate is provided with screw hole, the screw hole outside is provided with positioning boss, key cover plate bottom is provided with a plurality of alignment pins, key cover plate, contact layer and circuit board are located by alignment pin, are connected and fixed by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02250336 CN2594953Y (en) | 2002-12-14 | 2002-12-14 | Multifunctional button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02250336 CN2594953Y (en) | 2002-12-14 | 2002-12-14 | Multifunctional button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2594953Y true CN2594953Y (en) | 2003-12-24 |
Family
ID=33720579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02250336 Expired - Fee Related CN2594953Y (en) | 2002-12-14 | 2002-12-14 | Multifunctional button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2594953Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925094A (en) * | 2017-05-05 | 2018-11-30 | 东莞昭和电子有限公司 | Remote controler |
-
2002
- 2002-12-14 CN CN 02250336 patent/CN2594953Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108925094A (en) * | 2017-05-05 | 2018-11-30 | 东莞昭和电子有限公司 | Remote controler |
| CN108925094B (en) * | 2017-05-05 | 2020-06-16 | 东莞昭和电子有限公司 | Remote controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |