CN212463612U - Circuit board structure and flexible circuit board - Google Patents
Circuit board structure and flexible circuit board Download PDFInfo
- Publication number
- CN212463612U CN212463612U CN202020991061.XU CN202020991061U CN212463612U CN 212463612 U CN212463612 U CN 212463612U CN 202020991061 U CN202020991061 U CN 202020991061U CN 212463612 U CN212463612 U CN 212463612U
- Authority
- CN
- China
- Prior art keywords
- area
- circuit board
- region
- board structure
- stiffening 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.)
- Active
Links
Images
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model belongs to the technical field of the circuit board, a circuit board structure and flexible line way board are disclosed. The circuit board structure includes: the circuit board body and the reinforcing plate; the circuit board body comprises a first area and a second area, the first area is a reinforcing area, the reinforcing plate is arranged on the first area, the second area is adjacent to the first area and is arranged at two ends of a butt joint, and the width of the first area is larger than that of the second area; wherein the stiffening plate is the same shape and size as the first region, so that the corner of the stiffening plate at the butt joint completely overlaps with the first region. The utility model provides a circuit board structure, turning can not directly receive concentrated point effort, but form line/face contact, can prevent effectively that the stiffening plate turning from breaking away from.
Description
Technical Field
The utility model belongs to the technical field of the circuit board, a circuit board structure and flexible line way board are related to.
Background
Flexible circuit boards, also known as "flexible boards," are printed circuits made from flexible, insulating substrates. Because of its flexibility, it is widely used in consumer electronics, but too much flexibility also affects its use, and usually a reinforcing plate is attached to the area to be welded or plugged to increase its rigidity.
In the prior art, for the arrangement of the reinforcing plate, heat capacity glue or pressure sensitive adhesive paper is generally used for being bonded on the flexible circuit board, and certain bonding force is ensured. In general, the reinforcing plate is generally designed at the end of the flexible wiring board, and the area of the portion to be reinforced with the flexible wiring board is large, but since the area of the reinforcing plate and the first region is large, after the reinforcing plate is attached, point contact directly with the corner portion of the reinforcing plate is easily formed, and peeling off under stress is easily caused.
Therefore, the design of the circuit board reinforcing structure in the prior art is not reasonable enough, and the reinforcing plate is easy to be stressed and peeled.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit board structure for solve the unreasonable problem that leads to the stiffening plate to break away from easily of circuit board reinforcement structural design among the prior art, circuit board structure includes: the circuit board body and the reinforcing plate;
the circuit board body comprises a first area and a second area, the first area is a reinforcing area, the reinforcing plate is arranged on the first area, the second area is adjacent to the first area and is arranged at two ends of a butt joint, and the width of the first area is larger than that of the second area;
wherein the stiffening plate is the same shape and size as the first region, so that the corner of the stiffening plate at the butt joint completely overlaps with the first region.
Preferably, an arc transition is arranged at the joint of the first region and the second region.
Preferably, the arcuate transition at the junction of the first region and the second region is a predetermined distance from the corner of the first region at the junction.
Preferably, the two sides of the reinforcing plate are respectively a front side and a back side, the front side is attached to the first area, and a chamfer or a fillet is arranged on the edge of the back side.
Preferably, two surfaces of the reinforcing plate are respectively a front surface and a back surface, the front surface is attached to the first region, and the side surface of the reinforcing plate inclines towards the center of the reinforcing plate in the direction from the front surface to the back surface.
An aspect of the utility model relates to a flexible line way board is provided with the utility model provides a circuit board structure.
The utility model provides a circuit board structure is through setting up first region and second region on the circuit board body, first region is as the reinforcement region, design into the width that all is greater than the second region with the width at its and the regional butt joint both ends of second region first region, thereby make the stiffening plate that sets up with first region shape size the same in first region, after laminating the setting with first region, its turning overlaps with first region is complete, the turning can not directly receive concentrated point effort, but form line/face contact, can prevent effectively that the stiffening plate turning from breaking away from.
Drawings
Fig. 1 is a schematic diagram of a circuit board structure provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a circuit board structure commonly used in the prior art provided in an embodiment of the present invention;
fig. 3 is a schematic diagram of another circuit board structure provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of a reinforcing plate provided in an embodiment of the present invention;
fig. 5 is a side view structural diagram of another reinforcing plate provided in the embodiment of the present invention.
In the drawings: 1. a circuit board body; 2. a reinforcing plate; A. a first region; B. a first region; C. the overlapping portion is not completely overlapped.
Detailed description of the preferred embodiments
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Examples
Example 1
As shown in fig. 1, a schematic diagram of a circuit board structure provided in an embodiment of the present invention includes: a circuit board body 1 and a reinforcing plate 2;
the circuit board body 1 comprises a first area A and a second area B, wherein the first area A is a reinforcing area, the reinforcing plate 2 is arranged on the first area A, the second area B is connected with the first area A, and the width of the first area A is larger than that of the second area B at two ends of a butt joint;
the shape and the size of the reinforcing plate 2 are the same as those of the first area A, so that the corner of the reinforcing plate 2 at the butt joint part completely overlaps with the first area A.
In the embodiment of the present invention, a fillet or a chamfer is usually set at the corner of the structure of the reinforcing plate 2 or the circuit board body 1, so as to avoid the situation of over sharp cutting or stress concentration at the corner, which belongs to the conventional setting, and there is no further limitation and description here.
For illustration, as shown in fig. 2, the embodiment of the present invention provides a schematic diagram of a circuit board structure commonly used in the prior art, wherein, in fig. 2, there is no obvious connection transition between the first area a and the second area B, and when the reinforcing plate 2 is arranged in the first area a, there is an incomplete overlapping part C between the reinforcing plate and the first area a, that is, the hatched portion in fig. 2, due to the presence of this portion, the reinforcing-plate 2 is disposed behind the first region a, and when the reinforcing-plate corner at the hatched portion C is subjected to a force, due to the combination of the incomplete overlapping of the reinforcing plate 2 with the first region a and the difference in height between the surface of the reinforcing plate 2 and the first region a, make the corner stress point concentrate on 2 corner upper ends of stiffening plate, make the stiffening plate corner formation point stress to this department concentrate easily to the stiffening plate perk at this department is peeled off.
The embodiment of the utility model provides a novel circuit board structure that provides in figure 1, wherein, at the both ends of butt joint department between first region A and second region B, first region A's width all is greater than second region B's width, thereby make and first region shape, stiffening plate 2 that the size is the same pastes after first region A, stiffening plate 2's corner part can overlap with first region A is complete, thereby when stiffening plate 2's corner is in the atress, its stress point does not produce and obviously shifts up, the place of atress becomes the side of stiffening plate 2 corner more easily, form the face atress, even because stiffening plate 2's corner overlaps with first region A is complete, first region A can share a part atress in the side of this department, effectual placing stiffening plate 2 corner perk is peeled off.
As shown in fig. 3, a schematic diagram of another circuit board structure provided in the embodiment of the present invention is different from the circuit board structure shown in fig. 1 in that an arc transition is provided at a joint of the first region a and the second region B. The arc transition can be a regular arc, namely, an arc transition, and also can be an irregular arc transition, and the stress concentration at the position can be avoided in an arc transition mode, so that the tearing at the butt joint position is avoided.
Specifically, the arc transition section at the joint of the first area a and the second area B is a predetermined distance away from the corner of the first area a at the joint, so as to avoid the problem in the prior art that the corner of the reinforcing plate 2 at the joint cannot completely overlap with the first area a.
In the embodiment of the present invention, the reinforcing plate is further improved, as shown in fig. 4, which is the structural schematic diagram of the reinforcing plate provided in the embodiment of the present invention. Wherein, two sides of the reinforcing plate 2 are respectively a front side and a back side, the front side is attached to the first area, and a chamfer or a fillet is arranged on the edge of the back side, which is only illustrated by setting a fillet in fig. 4, and other similar forms can be easily changed by those skilled in the art. The embodiment of the utility model provides an in through set up chamfer or fillet on the reverse side border of stiffening plate 2 to form the trend of a relative extrusion stiffening plate downwards in making 2 border atress of stiffening plate, help strengthening the subsides of stiffening plate tightly, also can suitably reduce stress concentration simultaneously, further prevent that the stiffening plate perk from peeling off.
Furthermore, the embodiment of the present invention provides another stiffening plate structure, as shown in fig. 5, which is the embodiment of the present invention provides another stiffening plate structure for side view. It is different from the aforementioned reinforcing plate in that the side surface of the reinforcing plate 2 is inclined toward the center of the reinforcing plate in the front-to-back direction. Similarly, it can also make 2 border of stiffening plate form a trend of extruding the stiffening plate downwards relatively when atress, helps strengthening the subsides of stiffening plate tightly, also can suitably reduce stress concentration simultaneously, further prevents that the stiffening plate perk from peeling off.
The utility model provides a circuit board structure is through setting up first region and second region on the circuit board body, first region is as the reinforcement region, design into the width that all is greater than the second region with the width at its and the regional butt joint both ends of second region first region, thereby make the stiffening plate that sets up with first region shape size the same in first region, after laminating the setting with first region, its turning overlaps with first region is complete, the turning can not directly receive concentrated point effort, but form line/face contact, can prevent effectively that the stiffening plate turning from breaking away from.
Example 2
The embodiment of the utility model provides an in still provide a flexible line way board, be provided with on this flexible line way board the embodiment of the utility model provides an in circuit board structure, through the setting of this circuit board structure, can make flexible line way board when carrying out the reinforcement, effectual assurance stiffening plate hug closely, avoid the especially regional perk of turning of stiffening plate to peel off.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A circuit board structure, comprising: the circuit board body and the reinforcing plate;
the circuit board body comprises a first area and a second area, the first area is a reinforcing area, the reinforcing plate is arranged on the first area, the second area is adjacent to the first area, and the width of the first area is larger than that of the second area at the butt joint of the second area and the first area;
wherein the stiffening plate is the same shape and size as the first region, so that the corner of the stiffening plate at the butt joint completely overlaps with the first region.
2. The circuit board structure of claim 1, wherein the first region and the second region are provided with an arcuate transition at the interface.
3. The circuit board structure of claim 2, wherein the arcuate transition at the interface of the first region and the second region is a predetermined distance from the corner of the first region at the interface.
4. The circuit board structure of claim 1, wherein the two sides of the stiffener are a front side and a back side, the front side is attached to the first region, and the edge of the back side is provided with a chamfer or a fillet.
5. The circuit board structure according to claim 1, wherein the two sides of the stiffener are a front side and a back side, the front side is attached to the first region, and the side of the stiffener is inclined toward the center of the stiffener in a direction from the front side to the back side.
6. A flexible wiring board characterized by being provided with the wiring board structure according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020991061.XU CN212463612U (en) | 2020-06-03 | 2020-06-03 | Circuit board structure and flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020991061.XU CN212463612U (en) | 2020-06-03 | 2020-06-03 | Circuit board structure and flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212463612U true CN212463612U (en) | 2021-02-02 |
Family
ID=74478683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020991061.XU Active CN212463612U (en) | 2020-06-03 | 2020-06-03 | Circuit board structure and flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212463612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225899A (en) * | 2021-04-28 | 2021-08-06 | 广州立景创新科技有限公司 | Electronic device |
-
2020
- 2020-06-03 CN CN202020991061.XU patent/CN212463612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225899A (en) * | 2021-04-28 | 2021-08-06 | 广州立景创新科技有限公司 | Electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212463612U (en) | Circuit board structure and flexible circuit board | |
| US20200099151A1 (en) | Fpc connector, touch-sensitive screen and lcd screen | |
| WO2017169858A1 (en) | Multilayer printed circuit board | |
| CN110049616A (en) | A kind of flexible circuit board | |
| CN113825304A (en) | Circuit board structure and display device | |
| CN218450658U (en) | Flexible circuit board with buffer structure | |
| CN210469912U (en) | FPC structure | |
| CN110335541B (en) | Display panel and display device | |
| CN108012408A (en) | A kind of flexible PCB yoke plate structure | |
| TWI550457B (en) | Touch panel and touch control module | |
| CN111007963A (en) | Flexible circuit board, touch sensing film, touch panel and display panel | |
| CN110809361A (en) | FPC board | |
| CN209821558U (en) | Backlight module | |
| CN210899816U (en) | FPC board and display device | |
| CN211979628U (en) | Flexible circuit board binding structure, touch screen and electronic device | |
| CN218951314U (en) | Protective film capable of preventing Metal Mesh from failing | |
| CN219437231U (en) | Multilayer rigid-flex board | |
| CN215991342U (en) | Circuit board for infrared image module | |
| CN216650096U (en) | Flexible circuit board and electronic equipment | |
| CN212992670U (en) | Flexible circuit board | |
| CN214042286U (en) | Conductive cloth applied to connection and conduction of FPC (Flexible printed Circuit) and IC (Integrated Circuit) of touch screen | |
| CN214228533U (en) | Rigid-flex board | |
| CN209804156U (en) | Anti-tear FPC display module | |
| CN113453421B (en) | Composite circuit board with magnetoelectric composite interface | |
| CN220382333U (en) | Concave-convex FPC-aluminum bar connection structure based on transition connection sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |