CN205611058U - FPC's golden finger - Google Patents
FPC's golden finger Download PDFInfo
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- CN205611058U CN205611058U CN201521077121.2U CN201521077121U CN205611058U CN 205611058 U CN205611058 U CN 205611058U CN 201521077121 U CN201521077121 U CN 201521077121U CN 205611058 U CN205611058 U CN 205611058U
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- golden finger
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Abstract
The utility model provides a FPC's golden finger, including the parallel many golden finger pieces of arranging, the terminal width of golden finger piece is less than the width of golden finger piece body. The utility model discloses the structure of follow golden finger is produced and is sent out, has overcome the problem of the terminal perk of die -cut in -process golden finger, and the staff only need consider the supporting material and tear, realize compromising of the two, and compromise the area simultaneously reduce easy rupture problem when solving the perk problem, realized three's balance, furthermore, the utility model discloses a golden finger can not influence its normal plug function, has realized the promotion of FPC golden finger each item performance on the whole.
Description
Technical field
This utility model relates to FPC flexible PCB field, particularly relates to the golden finger of a kind of FPC.
Background technology
The flexible PCB FPC of plug-in type by being inserted at the Connector terminal of PCB by its golden finger, it is achieved soft
Property circuit board and printed circuit board (PCB) connection conducting, as it is shown in figure 1, golden finger is by many elongated rectangular shape golden finger sheet structures side by side
Becoming, the width of every golden finger sheet is the most all more than 0.5mm.In order to increase the intensity of golden finger sheet so that it is be not easily broken, with
Time coupling Connector socket, be required for its back side thicken one layer of respective thickness PI reinforcement；And increase the golden hands after reinforcement
Refer to that sheet will appear from two kinds of defects in die-cut operation, and typically can only be by selecting one to prevent the debugging of die cutting die
Protect, or the end accepting golden finger sheet tilts, and prevents supporting material from tearing；Accept supporting material tear, and prevent gold
Finger sheet end tilts, it is impossible to realize taking into account of the two.
Therefore, it is necessary to provide the golden finger of a kind of FPC, it is achieved solve the possibility of above-mentioned two defect simultaneously.
Utility model content
Technical problem to be solved in the utility model is: provide the golden finger of a kind of FPC, changing by golden finger structure
The end coming in effectively to prevent mould stamp process golden finger sheet tilts.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
The golden finger of a kind of FPC, including many golden finger sheets of parallel arranged, the width of described golden finger sheet end is less than
The width of golden finger sheet body.
Wherein, the dual-side in described golden finger leaf length direction is inwardly formed breach at the end of described golden finger sheet.
Wherein, described dual-side is inwardly formed breach at distance end 0.25-0.4mm.
Wherein, the width of described golden finger sheet end is 2:5 with the ratio of the width of golden finger sheet body.
Wherein, the width of described golden finger sheet end is 0.15-0.2mm；The width of described golden finger sheet body is 0.35-
0.7mm。
Wherein, the end of described golden finger sheet is convex.
Wherein, described golden finger sheet body includes protuberance and the connecting portion being connected with described protuberance；Described protuberance
And it is circular sliding slopes between connecting portion.
Wherein, a length of 2-6mm of described golden finger sheet body, width is 0.35-0.7mm；The protrusion of described protuberance
It is highly 0.2-0.4mm；The width of described protuberance is 0.15-0.2mm.
Wherein, it is the circular sliding slopes of 0.15-0.3mm by radius between described protuberance and connecting portion.
The beneficial effects of the utility model are: the terminal end width of FPC golden finger sheet of the present utility model is less than golden finger
The width of body, reduces the golden face area that golden finger sheet end contacts with die cutting die as far as possible, gold when reducing die-cut operation
The lifting surface area in the golden face of finger sheet end.Therefore, by golden finger end is effectively taken precautions against in the improvement of golden finger structure
Blanking process warps, the most only need to consider the problem that supporting material tears when Design of Dies, and then realize golden finger and do not rise
Stick up and do not tear taking into account of the two with supporting material.
Accompanying drawing explanation
Fig. 1 is the structural representation of the golden finger of the FPC of prior art；
Fig. 2 is the structural representation of the golden finger of FPC of the present utility model.
Label declaration:
1, end；2, golden finger sheet body；3, breach；4, convex；5, protuberance；6, connecting portion.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and join
Conjunction accompanying drawing is explained.
The design of this utility model most critical is: the width of golden finger sheet end, less than the width of golden finger body, subtracts
Few end lifting surface area when die-cut, is improved by structure and prevents end from warping.
Refer to Fig. 2, this utility model provides the golden finger of a kind of FPC, including many golden finger sheets of parallel arranged, institute
State the width width less than golden finger sheet body 2 of golden finger sheet end 1.
Seen from the above description, golden finger sheet end 1 of the present utility model reduces with the contact surface of die cutting die, it is achieved punching
The minimizing of golden finger sheet end 1 lifting surface area during cutting, it is possible to effectively prevent end 1 stress deformation.
Further, the dual-side in described golden finger leaf length direction is inwardly formed breach at the end of described golden finger sheet
3。
Seen from the above description, breach 3 can be formed by golden finger sheet dual-side respectively at end and realize end width
The minimizing of degree；The material of golden finger sheet can also be reduced simultaneously, reduce cost.
Further, described dual-side is inwardly formed breach 3 at distance end 0.25-0.4mm.
Seen from the above description, at distance end 0.25-0.4mm, reduce gold face area, can not only effectively prevent gold
Finger tips warps, but also the normal grafting not interfering with golden finger uses, it is achieved taking into account of the two.
Further, the width of described golden finger sheet end 1 is 2:5 with the ratio of the width of golden finger sheet body 2.
Further, the width of described golden finger sheet end 1 is 0.15-0.2mm；The width of described golden finger sheet body 2
For 0.35-0.7mm.
Seen from the above description, golden finger of the present utility model achieves width and the golden finger sheet of golden finger sheet end 1
The balance of both width of body 2, is unlikely to, owing to end crosses tapering and frangibility, to reach again punching course simultaneously and not warp
Purpose.
Further, the end of described golden finger sheet is convex 4.
Further, described golden finger sheet body includes protuberance 5 and the connecting portion 6 being connected with described protuberance 5；Described
It it is circular sliding slopes between protuberance 5 and connecting portion 6.
Further, a length of 2-6mm of described golden finger sheet body 2, width is 0.35-0.7mm；Described protuberance 5
Protrusion height be 0.2-0.4mm；The width of described protuberance 5 is 0.15-0.2mm.
Further, it is the circular sliding slopes of 0.15-0.3 by radius between described protuberance 5 and connecting portion 6.
Seen from the above description, golden finger sheet end is downwardly projecting structure；And the mistake between protuberance and connecting portion
Degree uses circular sliding slopes, it is achieved that junction, two positions naturally excessive, and raising bonding strength is allowed to be not easily broken；Meanwhile,
Use the golden finger sheet that above-mentioned specification is made, it is possible to play best anti-tilting effect, ensure that possessing of golden finger sheet simultaneously
Certain intensity.
Embodiment of the present utility model is:
Refer to Fig. 1, the present embodiment provides the golden finger of a kind of FPC, and the many golden finger sheets including parallel arranged are constituted,
End 1 width of every golden finger sheet is both less than the width of golden finger sheet body 2.
Optionally, the width of described golden finger sheet end 1 is 2:5 with the ratio of the width of golden finger sheet body 2, but does not limit
In this, choosing of this parameter is only to obtain optimal anti-tilting effect, takes into account the pliable problem after width reduces simultaneously.
Optionally, can be extended to away from abterminal end in terminad direction by the dual-side in golden finger leaf length direction
Face certain distance reduces to central axis constantly simultaneously, thus forms two breach 3 at end and realize subtracting of end 1 width
Little；3 need of the breach formed are capable of the reduction of golden finger sheet end 1 width, to breach 3 concrete shape with specification
Do not limit；Preferably, described breach 3 can be circular arc cutaway, and mutually symmetrical with.
Assume that a length of 2-6mm of described golden finger body 2, width L1 are 0.35-0.7mm；Then dual-side is at distance end
During end 0.25-0.4mm, the L3+L4 in i.e. Fig. 2, is preferably inwardly formed breach when L3+L4=0.5mm, to obtain best effective
Really.
Preferably, the width L2 of described golden finger sheet end 1 is 0.15-0.2mm, most preferably L2=0.2mm；Described gold hands
Refer to that the width L1 of sheet body 2 is 0.35-0.7mm, most preferably L1=0.7mm.
Preferably, can be downwardly projecting convex 4 by the end 1 of design golden finger sheet, concrete, described gold hands
Refer to that body 2 can be divided into protuberance 5 and connecting portion 6, be circular sliding slopes between described connecting portion 6 and protuberance 5, to realize strengthening
Connect；Concrete, can be by circular sliding slopes protuberance 5 that radius R is 0.15-0.3mm and connecting portion 6, preferably R=
The circular arc of 0.2mm；The protrusion height of described protuberance 5 is the L3 in 0.2-0.4mm, i.e. Fig. 2, best L3=0.3mm；Described convex
The width L2 going out portion 5 is 0.15-0.2mm, preferably L2=0.2mm.
The golden finger made by above-mentioned parameter specification, that tries one's best decreases what golden finger sheet end contacted with die cutting die
Gold face area, thus reduce golden finger end lifting surface area in die-cut operation；Therefore, the probability that golden finger end tilts is several
Can ignore, we just need not consider the problem that golden finger tilts when Design of Dies, only need to prevent golden finger supporting material
The problem of tear, it is achieved that end tilts problem and supporting material tears taking into account of problem, it is most important that, can guarantee that again
The normal inserting function of golden finger.
In sum, the golden finger of a kind of FPC that this utility model provides, not only overcome blanking process from structure
The problem that middle golden finger end tilts, staff only need to consider that supporting material tears, it is achieved that taking into account of the two；And solving
Certainly take into account area during tilting problem the most simultaneously and reduced frangibility problem, it is achieved that the balance of three；Further, this practicality is new
The golden finger of type can't affect it and plug function normally, achieves the lifting of FPC golden finger properties on the whole.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize the equivalents that this utility model description and accompanying drawing content are made, or be directly or indirectly used in relevant technology neck
Territory, is the most in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. the golden finger of a FPC, it is characterised in that include many golden finger sheets of parallel arranged, described golden finger sheet end
Width less than the width of golden finger sheet body；
The width of described golden finger sheet end is 2:5 with the ratio of the width of golden finger sheet body.
The golden finger of a kind of FPC the most as claimed in claim 1, it is characterised in that the both sides in described golden finger leaf length direction
While the end at described golden finger sheet is inwardly formed breach.
The golden finger of a kind of FPC the most as claimed in claim 2, it is characterised in that described dual-side is at distance end 0.25-
Breach it is inwardly formed at 0.4mm.
The golden finger of a kind of FPC the most as claimed in claim 1, it is characterised in that the width of described golden finger sheet end is
0.15-0.2mm；The width of described golden finger sheet body is 0.35-0.7mm.
The golden finger of a kind of FPC the most as claimed in claim 1, it is characterised in that the end of described golden finger sheet is convex.
The golden finger of a kind of FPC the most as claimed in claim 1, it is characterised in that described golden finger sheet body includes protuberance
And the connecting portion being connected with described protuberance；It it is circular sliding slopes between described protuberance and connecting portion.
The golden finger of a kind of FPC the most as claimed in claim 6, it is characterised in that a length of 2-of described golden finger sheet body
6mm, width is 0.35-0.7mm；The protrusion height of described protuberance is 0.2-0.4mm；The width of described protuberance is 0.15-
0.2mm。
The golden finger of a kind of FPC the most as claimed in claims 6 or 7, it is characterised in that logical between described protuberance and connecting portion
Cross the circular sliding slopes that radius is 0.15-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077121.2U CN205611058U (en) | 2015-12-21 | 2015-12-21 | FPC's golden finger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077121.2U CN205611058U (en) | 2015-12-21 | 2015-12-21 | FPC's golden finger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205611058U true CN205611058U (en) | 2016-09-28 |
Family
ID=56959898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521077121.2U Active CN205611058U (en) | 2015-12-21 | 2015-12-21 | FPC's golden finger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205611058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419364A (en) * | 2018-01-11 | 2018-08-17 | 郑州云海信息技术有限公司 | A kind of board method for manufacturing gold finger improving binding force |
| CN110576477A (en) * | 2019-09-27 | 2019-12-17 | 武汉华星光电技术有限公司 | Punching cutting die |
-
2015
- 2015-12-21 CN CN201521077121.2U patent/CN205611058U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419364A (en) * | 2018-01-11 | 2018-08-17 | 郑州云海信息技术有限公司 | A kind of board method for manufacturing gold finger improving binding force |
| CN110576477A (en) * | 2019-09-27 | 2019-12-17 | 武汉华星光电技术有限公司 | Punching cutting die |
| CN110576477B (en) * | 2019-09-27 | 2021-06-22 | 武汉华星光电技术有限公司 | Punching cutting die |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |