CN215011177U - Foldable flexible circuit board structure - Google Patents
Foldable flexible circuit board structure Download PDFInfo
- Publication number
- CN215011177U CN215011177U CN202120619340.8U CN202120619340U CN215011177U CN 215011177 U CN215011177 U CN 215011177U CN 202120619340 U CN202120619340 U CN 202120619340U CN 215011177 U CN215011177 U CN 215011177U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- board body
- extrusion
- board structure
- 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
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000003064 anti-oxidating effect Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 abstract description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000006708 antioxidants Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Images
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- Structure Of Printed Boards (AREA)
Abstract
The utility model discloses a collapsible flexible line way board structure, including the flexible line way board body, the flexible line way board body includes the base plate, the upper surface of base plate is provided with the welded plate, the mounting groove has been seted up to the inside of welded plate, the inside of mounting groove is provided with conductive contact, the inside of welded plate and the below that is located the mounting groove are provided with the fixed plate, the mounting hole has been seted up to the upper surface of flexible line way board body, the upper surface of flexible line way board body just fills up for the outside fixedly connected with protection that is located the mounting hole, the extrusion groove has been seted up to the inside that the protection was filled up. The utility model discloses, weld on the board through having seted up the mounting groove to the cooperation fixed plate, can avoid flexible line way board body folding back conductive contact and weld the board and take place to separate many times, thereby avoid the emergence of the condition of rosin joint or short circuit, thereby improved flexible line way board body life.
Description
Technical Field
The utility model relates to a flexible line way board technical field especially relates to a collapsible flexible line board structure.
Background
The FPC board is also called a flexible circuit board, which is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film as a base material. The high-density light-weight LED lamp has the characteristics of high wiring density, light weight, thin thickness and good bending property. The birth and development of FPC and PCB have promoted a new product of soft and hard combined board. Therefore, the flexible and rigid combined board is a circuit board with FPC and PCB characteristics formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like, and a binding area consisting of a plurality of golden conductive contact pieces arranged in order on the FPC board looks like a golden finger, so the circuit board is called as a golden finger in the industry.
But the conductive contact on the current flexible line way board all is the lug weld on welding the board, and the flexible line way board often is folded back, leads to conductive contact and welding the board to take place the separation easily to the condition of rosin joint or short circuit appears, influences the life of flexible line way board.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a foldable flexible circuit board structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a foldable flexible circuit board structure comprises a flexible circuit board body, wherein the flexible circuit board body comprises a substrate, a welding plate is arranged on the upper surface of the substrate, a mounting groove is formed in the welding plate, a conductive contact piece is arranged in the mounting groove, and a fixing plate is arranged in the welding plate and below the mounting groove;
the flexible printed circuit board comprises a flexible printed circuit board body and is characterized in that a mounting hole is formed in the upper surface of the flexible printed circuit board body, the outer side of the flexible printed circuit board body is fixedly connected with a protection pad, the protection pad is internally provided with an extrusion groove, the inner top of the extrusion groove is fixedly connected with an extrusion spring, and one end of the extrusion spring, far away from the inner top of the extrusion groove, is fixedly connected with the inner bottom of the extrusion groove.
As a further description of the above technical solution:
the upper surface of the welding plate is provided with an anti-oxidation coating, and the upper surface of the anti-oxidation coating is provided with a protective layer.
As a further description of the above technical solution:
the inside of inoxidizing coating has seted up the louvre, the quantity of louvre is provided with a plurality ofly.
As a further description of the above technical solution:
the lower surface of base plate is provided with the waterproof layer, the waterproof layer is kept away from one side of base plate and is provided with soft adhesive tape.
As a further description of the above technical solution:
the conductive contact piece is matched with the mounting groove and is fixedly connected with the mounting groove through soldering tin.
As a further description of the above technical solution:
the quantity of mounting groove is provided with a plurality ofly, the welded plate passes through glue with the base plate and fixes together.
As a further description of the above technical solution:
the quantity of mounting hole and protection pad all is provided with a plurality ofly to the mounting hole sets up with the protection pad one-to-one.
As a further description of the above technical solution:
the number of the extrusion springs is provided with a plurality of the extrusion springs, and the extrusion springs are uniformly distributed in the extrusion groove.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this collapsible flexible line way board structure is last through having seted up the mounting groove on the welding board to the cooperation fixed plate can avoid flexible line way board body folding back many times to take place the separation with the welding board, thereby avoids the emergence of the condition of rosin joint or short circuit, thereby has improved flexible line way board body life.
2. Compared with the prior art, this collapsible flexible line board structure, through setting up the protection pad, when preventing to use fastening bolt to install the flexible line board body, damages the flexible line board body to through the elasticity control protection pad extrusion flexible line board body that utilizes the spring, the not hard up condition appears after avoiding the flexible line board body to use for a long time.
Drawings
Fig. 1 is a top view of a foldable flexible circuit board structure proposed by the present invention;
fig. 2 is a cross-sectional view of a foldable flexible circuit board structure according to the present invention;
FIG. 3 is a schematic view of the structure A in FIG. 2 according to the present invention;
fig. 4 is the schematic diagram of the internal structure of the protection pad of the foldable flexible circuit board structure provided by the utility model.
Illustration of the drawings:
1. a flexible circuit board body; 11. a substrate; 12. welding the plate; 13. mounting grooves; 14. a conductive contact; 15. a fixing plate; 16. an oxidation resistant coating; 17. a protective layer; 18. heat dissipation holes; 19. a waterproof layer; 110. a soft adhesive tape; 2. mounting holes; 3. a protective pad; 31. extruding a groove; 32. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the utility model provides a pair of collapsible flexible line way board structure: the flexible circuit board comprises a flexible circuit board body 1, the flexible circuit board body 1 comprises a substrate 11, a welding plate 12 is arranged on the upper surface of the substrate 11 and used for welding electronic elements, the welding plate 12 and the substrate 11 are fixed together through glue, a mounting groove 13 is formed in the welding plate 12 and used for fixing a conductive contact piece 14, a conductive contact piece 14 is arranged in the mounting groove 13, the conductive contact piece 14 is matched with the mounting groove 13, the conductive contact piece 14 is fixedly connected with the mounting groove 13 through soldering tin, a fixing plate 15 is arranged in the welding plate 12 and below the mounting groove 13 and used for fixing the conductive contact piece 14 on the same plane through the arrangement of the fixing plate 15, and the conductive contact piece 14 is prevented from being separated from the welding plate 12 when the flexible circuit board body 1 is folded; the upper surface of the flexible circuit board body 1 is provided with a plurality of mounting holes 2, the flexible circuit board body 1 is fixed by using fixing bolts, the number of the mounting holes 2 and the number of the protective pads 3 are respectively provided with a plurality, the mounting holes 2 and the protective pads 3 are arranged in a one-to-one correspondence manner, the protective pads 3 are fixedly connected to the outer sides of the mounting holes 2 on the upper surface of the flexible circuit board body 1, so that when the flexible circuit board body 1 is fixed by fixing bolts, the flexible circuit board body 1 is damaged, the extrusion groove 31 is arranged inside the protection pad 3, the extrusion spring 32 is fixedly connected with the inner top of the extrusion groove 31, the protection pad 3 is controlled to extrude the flexible circuit board body 1 by utilizing the elasticity of the extrusion spring 32, so that the flexible circuit board body 1 is prevented from loosening after being used for a long time, and the extrusion spring 32 is far away from one end of the top in the extrusion groove 31 and fixedly connected with the inner bottom of the extrusion groove 31.
The upper surface of welded plate 12 is provided with anti-oxidant coating 16, anti-oxidant coating 16's upper surface is provided with inoxidizing coating 17, louvre 18 has been seted up to inoxidizing coating 17's inside, be used for the heat dissipation, the quantity of louvre 18 is provided with a plurality ofly, the lower surface of base plate 11 is provided with waterproof layer 19, one side that base plate 11 was kept away from to waterproof layer 19 is provided with soft adhesive tape 110, a flexible line way board body 1 after will folding resets, avoid appearing bursting apart and the rupture of structure, make flexible line way board body 1 damage unable use, the quantity of mounting groove 13 is provided with a plurality ofly, the quantity of extrusion spring 32 is provided with a plurality ofly, and evenly distributed is in the inside of extrusion groove 31.
The working principle is as follows: through welding conductive contact 14 in mounting groove 13, and the inside of welded plate 12 is provided with fixed plate 15, be convenient for fix conductive contact 14 at the coplanar, avoid flexible line way board body 1 conductive contact 14 and welded plate 12 to take place to separate when folding, fill up 3 through setting up the protection, prevent that fixing bolt is when fixed flexible line way board body 1, damage flexible line way board body 1, and fill up 3 extrusion flexible line way board bodies 1 through the elasticity control protection that utilizes extrusion spring 32, it is not hard up to appear after avoiding flexible line way board body 1 to use for a long time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.
Claims (8)
1. A foldable flexible circuit board structure, comprising a flexible circuit board body (1), the flexible circuit board body (1) comprising a substrate (11), characterized in that: a welding plate (12) is arranged on the upper surface of the base plate (11), a mounting groove (13) is formed in the welding plate (12), a conductive contact piece (14) is arranged in the mounting groove (13), and a fixing plate (15) is arranged in the welding plate (12) and below the mounting groove (13); mounting hole (2) have been seted up to the upper surface of flexible line way board body (1), the upper surface of flexible line way board body (1) just fills up (3) for the outside fixedly connected with protection that is located mounting hole (2), extrusion groove (31) have been seted up to the inside of protection pad (3), interior top fixedly connected with extrusion spring (32) of extrusion groove (31), the one end at top and the interior bottom fixed connection of extrusion groove (31) in extrusion groove (31) are kept away from in extrusion spring (32).
2. A foldable flexible circuit board structure according to claim 1, characterized in that: the upper surface of the welding plate (12) is provided with an anti-oxidation coating (16), and the upper surface of the anti-oxidation coating (16) is provided with a protective layer (17).
3. A foldable flexible circuit board structure according to claim 2, characterized in that: the protective layer (17) is internally provided with a plurality of heat dissipation holes (18), and the number of the heat dissipation holes (18) is multiple.
4. A foldable flexible circuit board structure according to claim 1, characterized in that: the lower surface of the base plate (11) is provided with a waterproof layer (19), and one side, away from the base plate (11), of the waterproof layer (19) is provided with a soft rubber strip (110).
5. A foldable flexible circuit board structure according to claim 1, characterized in that: the conductive contact piece (14) is matched with the mounting groove (13), and the conductive contact piece (14) is fixedly connected with the mounting groove (13) through soldering tin.
6. A foldable flexible circuit board structure according to claim 1, characterized in that: the number of the mounting grooves (13) is provided with a plurality of mounting grooves, and the welding plate (12) and the base plate (11) are fixed together through glue.
7. A foldable flexible circuit board structure according to claim 1, characterized in that: the number of the mounting holes (2) and the number of the protective pads (3) are provided with a plurality of mounting holes, and the mounting holes (2) and the protective pads (3) are arranged in a one-to-one correspondence mode.
8. A foldable flexible circuit board structure according to claim 1, characterized in that: the number of the extrusion springs (32) is provided with a plurality of extrusion springs, and the extrusion springs are uniformly distributed in the extrusion groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120619340.8U CN215011177U (en) | 2021-03-26 | 2021-03-26 | Foldable flexible circuit board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120619340.8U CN215011177U (en) | 2021-03-26 | 2021-03-26 | Foldable flexible circuit board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215011177U true CN215011177U (en) | 2021-12-03 |
Family
ID=79162833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120619340.8U Expired - Fee Related CN215011177U (en) | 2021-03-26 | 2021-03-26 | Foldable flexible circuit board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215011177U (en) |
-
2021
- 2021-03-26 CN CN202120619340.8U patent/CN215011177U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |