CN203554792U - Metal dome connecting finger and key structure using same - Google Patents
Metal dome connecting finger and key structure using same Download PDFInfo
- Publication number
- CN203554792U CN203554792U CN201320750972.3U CN201320750972U CN203554792U CN 203554792 U CN203554792 U CN 203554792U CN 201320750972 U CN201320750972 U CN 201320750972U CN 203554792 U CN203554792 U CN 203554792U
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- ring
- pad
- pot
- young sheet
- golden finger
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Abstract
The utility model relates to a metal dome connecting finger. The connecting finger is arranged on a PCB; the connecting finger is composed of a contact disc and a pad ring which are arranged from inside to outside; the pad ring is provided with at least two pads for welding; a spacer ring is arranged between the contact disc and the pad ring; the pads are in end-to-end connection with one another through a pad ring connecting line; the width of the pads is larger than that of the pad ring connecting line; the contact disc, the spacer ring and the pad ring are concentric rings or concentric polygon-shaped rings; the pad ring connecting line is a wired wire or copper foil; the pads are in welded connection with a metal dome; when the metal dome is pressed, the contact disc contacts with contacts of the metal dome, such that electric communication can be realized; and the spacer ring is not in electric communication the contact disc and the pad ring. According to the metal dome connecting finger of the utility model, a metal dome welding mode is adopted under a situation in which it is not proper to adopt PET with glue to install and link the metal dome to a product, and therefore, materials such as the PET with glue and production installation and linkage cost can be decreased, and an area occupied by the PCB can be reduced.
Description
Technical field
The utility model relates to a kind of pot of young sheet golden finger and applies its press-key structure.
Background technology
The young sheet of pot adopts ultra-thin and superhard stainless steel material to make, and is mainly used in the products such as thin film switch, microswitch, pcb board, printed substrate, rigid plate, have contact steadily, conduction is strong, resilience is stable, all several large advantages such as good of feel.
At present, the young sheet of pot is to arrange its position according to PAD (pad) position corresponding on wiring board, is all generally to adopt with the PET of glue them to fit together and aim at dress again and be linked on pcb board, so that rapid-assembling, accurately location.But some are had to the pcb board of specific (special) requirements, there is the situation that only needs the quantity young sheet of pot seldom, sometimes just as long as 1, even if need quantity more than 1, but distance is distant again, in this case, adopts with the PET of glue this or several pots of distant sons are fit together and aim at dress again and be linked on pcb board, obviously waste is with the PET of glue, and the efficiency of dress connection also can be very low.In addition, in the situation that needing only single pot son, or very limited in pcb board space in the situation that, PET with glue not only takies larger pcb board space (sometimes also large than the young area taking of pot itself), is be in fact also difficult to adopt frock or by hand the young dress of aiming at of pot be linked on pcb board.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, be that technical problem to be solved in the utility model is to provide a kind of pot of young sheet golden finger and applies its press-key structure, the young sheet of pot can not only be associated on PCB with welding manner dress, and reduced material and PCB area occupied, and improving production efficiency.
In order to solve the problems of the technologies described above, the technical solution of the utility model one is: a kind of pot of young sheet golden finger, described golden finger is arranged on pcb board, and described golden finger is comprised of tactile disk and pad ring from inside to outside, is provided with at least two pads for welding in described pad ring.
Preferably, between described tactile disk and pad ring, be provided with shading ring.
Preferably, between described pad, with pad ring line, join end to end.
Preferably, described pad width dimensions is wider than pad ring line.
Preferably, described tactile disk and pad ring are concentric annulus or concentric polygon ring.
Preferably, described tactile disk, shading ring and pad ring are concentric annulus or concentric polygon ring.
Preferably, described pad ring line is cabling or Copper Foil.
In order to solve the problems of the technologies described above, the technical solution of the utility model two is: a kind of press-key structure that adopts the described young sheet golden finger of pot without shading ring, described pad and the young sheet of pot are welded to connect, and when cooking young sheet, described tactile disk contacts formation electrical communication with a pot young sheet contact.
In order to solve the problems of the technologies described above, the technical solution of the utility model three is: a kind of press-key structure that adopts the described young sheet golden finger of pot with shading ring, described pad and the young sheet of pot are welded to connect, when cooking young sheet, described tactile disk contacts and forms electrical communication with pot young sheet contact, and described shading ring and tactile disk and pad ring are all without electrical communication.
Compared with prior art, the utlity model has following beneficial effect: the utility model less to the young sheet quantity required of pot, product space is limited, be difficult to or be not suitable for adopting PET with glue by the young situation about being linked on product on chip of pot, adopt the young welding manner of pot, effectively reduce the materials such as band glue PET and produce dress being unified into this, reducing PCB area occupied, promote the efficiency of producing dress connection.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is that in the utility model, pad is the golden finger structure schematic diagram with shading ring of 2.
Fig. 2 is that in the utility model, pad is the golden finger structure schematic diagram with shading ring of 3.
Fig. 3 is that in the utility model, pad is the golden finger structure schematic diagram with shading ring of 8.
Fig. 4 is that in the utility model, pad is the golden finger structure schematic diagram without shading ring of 2.
Fig. 5 is that in the utility model, pad is the golden finger structure schematic diagram without shading ring of 3.
Fig. 6 is that in the utility model, pad is the golden finger structure schematic diagram without shading ring of 8.
Fig. 7 is the press-key structure schematic diagram being connected with golden finger with shading ring in the utility model.
Fig. 8 is the press-key structure schematic diagram being connected with golden finger without shading ring in the utility model.
In figure: 1-golden finger, 10-tactile disk, 11-shading ring, 12-pad, 13-pad ring line, the young sheet of 2-pot, 3-PCB plate.
Embodiment
Embodiment mono-, as shown in Fig. 1 ~ 3, and a kind of pot of young sheet golden finger, described golden finger 1 is arranged on pcb board 3, and described golden finger 1 is comprised of tactile disk 10 and pad ring from inside to outside, is provided with at least two pads 12 for welding in described pad ring.
In the present embodiment, between described tactile disk 10 and pad ring, be provided with shading ring 11.
In the present embodiment, between described pad 12, with pad ring line 13, join end to end.
In the present embodiment, described pad 12 width dimensions are wider than pad ring line 13.
In the present embodiment, described tactile disk 10, shading ring 11 and pad ring are concentric annulus or concentric polygon ring.
In the present embodiment, described pad ring line 13 is cabling or Copper Foil.
A kind of press-key structure that adopts the young sheet golden finger of pot in embodiment mono-, as shown in Figure 7, described pad 12 and the young sheet 2 of pot are welded to connect, when cooking young sheet 2, described tactile disk 10 contacts and forms electrical communication with pot young sheet 2 contacts, and described shading ring 11 and tactile disk 10 and pad ring are all without electrical communication.
Embodiment bis-, as shown in Fig. 4 ~ 6, and a kind of pot of young sheet golden finger, described golden finger 1 is arranged on pcb board 3, and described golden finger 1 is comprised of tactile disk 10 and pad ring from inside to outside, is provided with at least two pads 12 for welding in described pad ring.
In the present embodiment, between described pad 12, with pad ring line 13, join end to end.
In the present embodiment, described pad 12 width dimensions are wider than pad ring line 13.
In the present embodiment, described tactile disk 10 and pad ring are concentric annulus or concentric polygon ring.
In the present embodiment, described pad ring line 13 is cabling or Copper Foil.
Adopt a press-key structure for the young sheet golden finger of pot in embodiment bis-, as shown in Figure 8, described pad 12 and the young sheet 2 of pot are welded to connect, and when cooking young sheet 2, described tactile disk 10 contacts formation electrical communication with pot young sheet 2 contacts.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (9)
1. the young sheet golden finger of pot, is characterized in that: described golden finger is arranged on pcb board, and described golden finger is comprised of tactile disk and pad ring from inside to outside, is provided with at least two pads for welding in described pad ring.
2. the young sheet golden finger of pot according to claim 1, is characterized in that: between described tactile disk and pad ring, be provided with shading ring.
3. the young sheet golden finger of pot according to claim 1 and 2, is characterized in that: between described pad, with pad ring line, join end to end.
4. the young sheet golden finger of pot according to claim 3, is characterized in that: described pad width dimensions is wider than pad ring line.
5. the young sheet golden finger of pot according to claim 1, is characterized in that: described tactile disk and pad ring are concentric annulus or concentric polygon ring.
6. the young sheet golden finger of pot according to claim 2, is characterized in that: described tactile disk, shading ring and pad ring are concentric annulus or concentric polygon ring.
7. the young sheet golden finger of pot according to claim 4, is characterized in that: described pad ring line is cabling or Copper Foil.
8. a press-key structure that adopts the young sheet golden finger of pot claimed in claim 1, is characterized in that: described pad and the young sheet of pot are welded to connect, and when cooking young sheet, described tactile disk contacts formation electrical communication with a pot young sheet contact.
9. a press-key structure that adopts the young sheet golden finger of pot claimed in claim 2, it is characterized in that: described pad and the young sheet of pot are welded to connect, when cooking young sheet, described tactile disk contact formation electrical communication with a pot young sheet contact, and described shading ring and tactile disk and pad ring are all without electrical communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750972.3U CN203554792U (en) | 2013-11-26 | 2013-11-26 | Metal dome connecting finger and key structure using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750972.3U CN203554792U (en) | 2013-11-26 | 2013-11-26 | Metal dome connecting finger and key structure using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554792U true CN203554792U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320750972.3U Withdrawn - After Issue CN203554792U (en) | 2013-11-26 | 2013-11-26 | Metal dome connecting finger and key structure using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607840A (en) * | 2013-11-26 | 2014-02-26 | 福建联迪商用设备有限公司 | Metal dome golden finger, key structure and metal dome assembling technology |
-
2013
- 2013-11-26 CN CN201320750972.3U patent/CN203554792U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607840A (en) * | 2013-11-26 | 2014-02-26 | 福建联迪商用设备有限公司 | Metal dome golden finger, key structure and metal dome assembling technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |