CN203503524U - Multi-dome plate FPC key apparatus - Google Patents
Multi-dome plate FPC key apparatus Download PDFInfo
- Publication number
- CN203503524U CN203503524U CN201320656262.4U CN201320656262U CN203503524U CN 203503524 U CN203503524 U CN 203503524U CN 201320656262 U CN201320656262 U CN 201320656262U CN 203503524 U CN203503524 U CN 203503524U
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- CN
- China
- Prior art keywords
- dome sheet
- dome
- fpc
- substrate
- air
- 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
Links
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000009966 trimming Methods 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Images
Abstract
The utility model, which belongs to the field of the electronic product key technology, especially relates to a multi-dome plate flexible printed circuit (FPC) key apparatus comprising an FPC board, a substrate, at least two dome plates and a key film. The FPC board is electrically connected with a terminal electronic product. The substrate covers on side of the FPC board and is fixedly connected with the FPC board; and an air guiding slot is arranged in the substrate. The at least two dome plates are arranged at the air guiding slot; installation holes for accommodating the dome plates are arranged in positions, corresponding to the dome plates, of the substrate; and the dome plates are contacted with the FPC board. The key film covers above the substrate and the dome plates and is connected with the substrate and the dome plates by a fastening way. When the apparatus is used, because all the dome plates are packaged in one key film and are arranged at the same air guiding slot, the air flow that is caused by pressing any dome plate circulates in the same air guiding slot, so that the pressing hand feeling can be ensured to be consistent. Therefore, a problem that the pressing handing feelings are not consistent because the amounts of air packaged in different air guiding slots are different can be solved.
Description
Technical field
The utility model belongs to electronic product key technical field, relates in particular to a kind of FPC key device of many dome sheet.
Background technology
FPC (Flexible Printed Circuit) flexible electric circuit board claims again flexible circuit board, take mylar or polyimides as base material, by being etched in form on Copper Foil that circuit makes a kind of, there is height reliability, the printed circuit of excellent flexibility, there is the good characteristics such as volume is little, lightweight, height flexibility, the FPC button made from FPC, can be suitable for the structural design of various electronic products, applies more and more extensive.Correct use FPC button designs, and can dwindle greatly the PCB area of terminal electronic product, reduces the cost of electronic product, simultaneously also for structure provides larger design space and freedom.
During the FPC key assembling of common many dome sheet, multiselect designs with circular dome sheet, dome sheet, it is metal clips conducting film, also claim a pot young sheet conducting film (Metal dome array), it be a PET who comprises metal clips with the thin slice of glue, according to PAD (pad) position corresponding on wiring board, arrange the position of each metal clips, dome sheet is used on the wiring boards such as PCB or FPC and uses as switch, is a sense of touch type switch between user and instrument.Dome sheet adjacent or close together shares an air air slot, distant dome sheet is separately with an air air slot, or FPC button as shown in Figure 1, a corresponding air air slot 11a of dome sheet 10a, the problem that such design exists is: in different air air slots, the air capacity of encapsulation is different, there will be the inconsistent phenomenon of handfeel of keys, so just need reprocess, in the middle of invisible, increase production cost, in Zhongdao consumer's hand, also can cause bad user to experience.
Utility model content
The purpose of this utility model is to provide a kind of FPC key device of many dome sheet, is intended to solve the inconsistent problem of handfeel of keys causing because of the air capacity difference encapsulating in different air air slots.
The utility model is achieved in that a kind of FPC key device of many dome sheet, and the FPC key device of described many dome sheet comprises: for the FPC wiring board being electrically connected to terminal electronic product; Lid is located in described FPC wiring board one side and the substrate being fixedly connected with it, and described substrate is provided with an air air slot; Be arranged at least two dome sheets on described air air slot, the described substrate place that described in each, dome sheet is corresponding is provided with the installing hole that holds described dome sheet, and described dome sheet contacts with described FPC wiring board; The button film that covers described substrate and described dome sheet top, described button film and described substrate, dome sheet are fastenedly connected.
As a kind of improvement, described air air slot is the elongate slots arranging along described substrate length direction; Described dome sheet is arranged at intervals with a plurality of, arranges successively along the length direction of described elongate slots.
As a kind of improvement, described air air slot is the endless groove being rectangle; Described dome sheet is arranged at intervals with a plurality of, arranges successively along described endless groove.
As a kind of improvement, between two relative edges of described rectangular endless groove, be connected with connectivity slot; A plurality of described dome sheets are disposed on described rectangular endless groove and described connectivity slot.
As a kind of improvement, described air air slot comprises the endless groove of at least two nested settings, between every two adjacent described endless grooves, is connected with some connectivity slots; A plurality of described dome sheets are disposed on described endless groove and described connectivity slot.
As a kind of improvement, described air air slot comprises at least two endless grooves that are arranged side by side, and between every two adjacent described endless grooves, is connected with connectivity slot; A plurality of described dome sheets are disposed on described endless groove and described connectivity slot.
As a kind of improvement, described dome sheet is the young chip architecture of pot of two opposite sides trimming.
As a kind of improvement, the opposite side of described FPC wiring board is provided with stiffener.
Owing to having adopted technique scheme, while using the FPC key device of many dome sheet that the utility model provides, because all dome sheets are encapsulated in a button film, all dome sheets are arranged on same air air slot, the air-flow of pressing any one dome sheet generation is all to circulate in same air air slot, thereby it is consistent to guarantee to press feel, has solved the inconsistent problem of handfeel of keys that the air capacity difference because encapsulating in different air air slots causes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the FPC key device of existing many dome sheet;
Fig. 2 is the structural representation of FPC key device of many dome sheet of the utility model the first embodiment;
Fig. 3 is the FPC key device structural representation that the utility model the first embodiment does not fill dome sheet;
Fig. 4 is along the cutaway view of A-A line in Fig. 2;
Fig. 5 is the partial enlarged drawing at B place in Fig. 4;
Fig. 6 is the structural representation of FPC key device of many dome sheet of the utility model the second embodiment;
Fig. 7 is the FPC key device structural representation that the utility model the second embodiment does not fill dome sheet;
Fig. 8 is the structural representation of FPC key device of many dome sheet of the utility model the 3rd embodiment;
Fig. 9 is the structural representation of FPC key device of many dome sheet of the utility model the 4th embodiment;
Figure 10 is the structural representation of FPC key device of many dome sheet of the utility model the 5th embodiment;
Figure 11 is the structural representation of FPC key device of many dome sheet of the utility model the 6th embodiment;
Wherein, 10a, dome sheet, 10b, dome sheet, 10c, dome sheet, 11a, air air slot, 11b, air air slot, 11c, air air slot, 11d, air air slot, 11e, air air slot, 12, FPC wiring board, 13, substrate, 14, button film, 15, stiffener, 16a, connectivity slot, 16b, connectivity slot, 16c, connectivity slot, 17a, installing hole, 17b, installing hole, 18a, endless groove, 18b, endless groove, 18c, endless groove.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The first embodiment
From Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the FPC key device of this many dome sheet comprises: for the FPC wiring board 12 being electrically connected to terminal electronic product, in the present embodiment, FPC wiring board 12 can be by plug connector and the socket connection of terminal electronic product, can be also directly to receive on terminal electronic product; Lid is located in FPC wiring board 12 1 sides and the substrate 13 being fixedly connected with it, and this substrate 13 is provided with air air slot 11b, and this air air slot 11b is the elongate slots arranging along substrate 13 length directions; Be arranged at least two dome sheet 10b on air air slot 11b, substrate 13 places that each dome sheet 10b is corresponding are provided with the installing hole 17a that holds dome sheet 10b, and dome sheet 10b contacts with FPC wiring board 12, and in the present embodiment, dome sheet 10b is set to four; The button film 14 that covers substrate 13 and dome sheet 10b top, this button film 14 is fastenedly connected with substrate 13, dome sheet 10b, and in the present embodiment, button film 14 is layer of transparent gummed paper, and dome sheet 10b and FPC wiring board 12 is bonding.
Because all dome sheet 10b are encapsulated in a gummed paper, all dome sheet 10b are arranged on same air air slot 11b, the air-flow producing while pressing any one dome sheet 10b is all to circulate in same air air slot 11b, thereby it is consistent to guarantee to press feel.
In the present embodiment, as shown in Figure 3, installing hole 17a is rounded, and corresponding dome sheet 10b is the rounded young sheet of pot.
In the present embodiment, on the opposite side of FPC wiring board 12, be provided with stiffener 15, can strengthen the rigidity of FPC wiring board 12.
The second embodiment
From Fig. 6, Fig. 7, this embodiment and the first embodiment are basic identical, and its difference is:
This dome sheet 10b is the young chip architecture of pot of two opposite sides trimming, and corresponding installing hole 17b also needs to be set to the circular hole of both sides trimming.
The 3rd embodiment
As shown in Figure 8, this embodiment and the second embodiment are basic identical, and its difference is:
This air air slot 11c comprises: OBL endless groove 18a; Dome sheet 10b is two, is separately positioned on the two relative limits of endless groove 18a.
In the present embodiment, this dome sheet 10b is the young chip architecture of pot of two opposite sides trimming.
The 4th embodiment
As shown in Figure 9, this embodiment and the 3rd embodiment are basic identical, and its difference is:
The air air slot 11c of this ring-type comprises: OBL endless groove 18a, and two connectivity slot 16a that are communicated with endless groove 18a two relative edges; Dome sheet 10b is set to four, two dome sheet 10b are arranged on the relative both sides of endless groove 18a, all the other two dome sheet 10b are separately positioned on two connectivity slot 16a, connectivity slot 16a is set to two in the present embodiment, can certainly be set to three, four or more according to actual conditions.
The 5th embodiment
As shown in Figure 10, this embodiment and the 4th embodiment are basic identical, and its difference is:
This air air slot 11d comprises: the endless groove 18b of two nested settings, between two adjacent endless groove 18b, be connected with four connectivity slot 16b, and certainly endless groove 18b also can be set to three, four etc. according to actual conditions; Dome sheet 10c is set to eight, and four dome sheet 10c are arranged on the intersection of endless groove 18b and four connectivity slot 16b of outer ring, remains the intersection that four dome sheet 10c are arranged on endless groove 18b and four connectivity slot 16b of inner ring.
In the present embodiment, this dome sheet 10c is the young chip architecture of OBL pot, and corresponding installing hole is also done the adjustment adapting to, and is also set to rectangle.This dome sheet 10c's is to be made by four limit trimmings by circular structure, can certainly when making, directly make OBL.
The 6th embodiment
As shown in Figure 11, this embodiment and the 5th embodiment are basic identical, and its difference is:
This air air slot 11e comprises: three endless groove 18c that are arranged side by side, between every two adjacent endless groove 18c, be connected with a connectivity slot 16c, and the quantity of connectivity slot 16c also can be set to a plurality of certainly; Dome sheet 10c is set to 12, is respectively evenly equipped with four dome sheet 10c on each endless groove 18c.
The FPC key device of many dome sheet that the utility model provides comprises: for the FPC wiring board being electrically connected to terminal electronic product; Lid is located in FPC wiring board one side and the substrate being fixedly connected with it, and this substrate is provided with an air air slot; Be arranged at least two dome sheets on air air slot, the substrate place that each dome sheet is corresponding is provided with the installing hole that holds dome sheet, and dome sheet contacts with FPC wiring board; The button film that covers substrate and dome sheet top, this button film and substrate, dome sheet are fastenedly connected; While using the FPC key device of this many dome sheet, because all dome sheets are encapsulated in a button film, all dome sheets are arranged on same air air slot, the air-flow producing while pressing any one dome sheet is all to circulate in same air air slot, thereby it is consistent to guarantee to press feel, and the air capacity difference having solved because encapsulating in different air air slots causes the inconsistent problem of handfeel of keys.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. a FPC key device for the sheet of dome more than, is characterized in that, the FPC key device of described many dome sheet comprises: for the FPC wiring board being electrically connected to terminal electronic product; Lid is located in described FPC wiring board one side and the substrate being fixedly connected with it, and described substrate is provided with an air air slot; Be arranged at least two dome sheets on described air air slot, the described substrate place that described in each, dome sheet is corresponding is provided with the installing hole that holds described dome sheet, and described dome sheet contacts with described FPC wiring board; The button film that covers described substrate and described dome sheet top, described button film and described substrate, dome sheet are fastenedly connected.
2. the FPC key device of many dome sheet according to claim 1, is characterized in that, described air air slot is the elongate slots arranging along described substrate length direction; Described dome sheet is arranged at intervals with a plurality of, arranges successively along the length direction of described elongate slots.
3. the FPC key device of many dome sheet according to claim 1, is characterized in that, described air air slot is the endless groove being rectangle; Described dome sheet is arranged at intervals with a plurality of, arranges successively along described endless groove.
4. the FPC key device of many dome sheet according to claim 3, is characterized in that, between two relative edges of described rectangular endless groove, is connected with connectivity slot; A plurality of described dome sheets are disposed on described rectangular endless groove and described connectivity slot.
5. the FPC key device of many dome sheet according to claim 1, is characterized in that, described air air slot comprises the endless groove of at least two nested settings, between every two adjacent described endless grooves, is connected with some connectivity slots; A plurality of described dome sheets are disposed on described endless groove and described connectivity slot.
6. the FPC key device of many dome sheet according to claim 1, is characterized in that, described air air slot comprises at least two endless grooves that are arranged side by side, and between every two adjacent described endless grooves, is connected with connectivity slot; A plurality of described dome sheets are disposed on described endless groove and described connectivity slot.
7. the FPC key device of many dome sheet according to claim 1, is characterized in that, described dome sheet is the young chip architecture of pot of two opposite sides trimming.
8. according to the FPC key device of the many dome sheet described in claim 1 to 7 any one, it is characterized in that, the opposite side of described FPC wiring board is provided with stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656262.4U CN203503524U (en) | 2013-10-23 | 2013-10-23 | Multi-dome plate FPC key apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656262.4U CN203503524U (en) | 2013-10-23 | 2013-10-23 | Multi-dome plate FPC key apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203503524U true CN203503524U (en) | 2014-03-26 |
Family
ID=50334483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656262.4U Expired - Lifetime CN203503524U (en) | 2013-10-23 | 2013-10-23 | Multi-dome plate FPC key apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203503524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531388A (en) * | 2013-10-23 | 2014-01-22 | 青岛歌尔声学科技有限公司 | FPC (flexible printed circuit) key device provided with multiple dome sheets |
-
2013
- 2013-10-23 CN CN201320656262.4U patent/CN203503524U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531388A (en) * | 2013-10-23 | 2014-01-22 | 青岛歌尔声学科技有限公司 | FPC (flexible printed circuit) key device provided with multiple dome sheets |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |