CN216600297U - FPC welded structure - Google Patents
FPC welded structure Download PDFInfo
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- CN216600297U CN216600297U CN202122054156.6U CN202122054156U CN216600297U CN 216600297 U CN216600297 U CN 216600297U CN 202122054156 U CN202122054156 U CN 202122054156U CN 216600297 U CN216600297 U CN 216600297U
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Abstract
The utility model discloses a FPC welding structure, comprising a fixed seat, a welding head and an elastic component; the welding head is arranged on one side of the fixed seat; the elastic assembly is arranged on one side, close to the fixing seat, of the welding head, one end of the elastic assembly and one end of the welding head are located on the same plane, due to the fact that the elastic assembly has an elastic stroke, when the FPC and the PCB are welded, the welding head is in contact with a welding area of the FPC and the PCB, the elastic assembly enables the elastic assembly to provide force with the elastic stroke for one bending position of the FPC, sufficient allowance can be reserved for the bending position of the FPC, the bending allowance of the bending position of the FPC during welding is guaranteed, and the risk of breakage of the FPC is reduced.
Description
Technical Field
The utility model relates to the technical field of welding, in particular to a FPC welding structure.
Background
In the prior art, a Flexible Printed Circuit (FPC) is bent and then soldered to a Printed Circuit Board (PCB) by manual soldering or machine soldering; wherein, the stability of the manual welding product is low, and the labor cost is too high, so the manual welding is gradually eliminated; the most common method today is machine soldering, as shown in fig. 1, where the FPC1 is attached to the holder 3, the PCB2 is fastened to the holder 3, the PCB land 4 is pasted with solder paste, and the FPC land 5 is soldered to the PCB land 4 by the soldering tip 6.
As shown in fig. 2, the FPC1 is always pulled during the soldering process, and when the PCB2 and the fixing base 3 shake, the bending margin at the bending position 7 suddenly decreases or the bending margin disappears, which may not ensure the strength at the bending position 7 of the FPC1, thereby breaking the FPC.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided is an FPC welding structure which can reduce the risk of FPC fracture.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a FPC welding structure comprises a fixed seat, a welding head and an elastic component;
the welding head is arranged on one side of the fixed seat;
the elastic assembly is arranged on one side, close to the fixed seat, of the welding head, and one end of the elastic assembly and one end of the welding head are located on the same plane.
Further, the elastic component comprises a pre-pressing block, a fixing block and a spring;
the pre-pressing block is arranged on one side of the welding head, and one end of the pre-pressing block and one end of the welding head are positioned on the same plane;
the spring is arranged at the other end of the pre-pressing block;
the fixed block is arranged at one end, far away from the pre-pressing block, of the spring.
Further, the number of the springs includes a plurality;
the springs are arranged at the other end of the pre-pressing block at equal intervals.
Further, the other end of the pre-pressing block is provided with a first groove matched with the spring;
the fixed block is provided with a second groove matched with the spring;
the two ends of the spring are respectively arranged in the first groove and the second groove.
Further, the number of the pre-pressing blocks comprises a plurality;
the pre-pressing block is also arranged on the other side of the welding head opposite to the one side;
the prepressing blocks are respectively arranged on the one side and the other side of the welding head.
Further, the device also comprises a fastening block;
the fastening block is provided with a third groove matched with the other end of the welding head, and the fastening block is provided with a through hole matched with the prepressing block;
the other end of the welding head is arranged in the third groove, and the other end of the pre-pressing block penetrates through the through hole.
Further, the device also comprises a screw;
a first screw hole is formed in the position, corresponding to the third groove, of the welding head;
a second screw hole is formed in the position, corresponding to the first screw hole, of the fastening block;
the screw is arranged in the first screw hole and the second screw hole.
The utility model has the beneficial effects that: set up the bonding tool in one side of fixing base, elastic component sets up in the one side that the bonding tool is close to the fixing base, and elastic component's one end and the one end of bonding tool are in the coplanar, because elastic component has the elastic stroke, when welding FPC and PCB, the bonding tool contacts with FPC and PCB's weld zone, make elastic component give FPC's the dynamics that has the elastic stroke of bending position one, so that FPC's the position of bending can remain sufficient surplus, thereby guaranteed the FPC and bent the surplus of bending of position when the welding, FPC cracked risk has been reduced.
Drawings
FIG. 1 is a schematic exploded view of a prior art FPC bonding structure;
FIG. 2 is a side view of a prior art FPC soldering structure;
FIG. 3 is a schematic illustration showing a disassembled FPC soldering structure according to an embodiment of the present invention;
FIG. 4 is a side view of an FPC bonding structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of an elastic member of an FPC bonding structure according to an embodiment of the present invention;
FIG. 6 is a side view of the spring assembly of an FPC soldering configuration according to an embodiment of the present invention;
FIG. 7 is a side view of the overall structure of an FPC soldering structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a fastening block of an FPC soldering structure according to an embodiment of the present invention;
description of reference numerals:
1. FPC; 2. a PCB; 3. a fixed seat; 4. a PCB pad; 5. an FPC pad; 6. a welding head; 7. bending position; 8. an elastic component; 81. pre-briquetting; 82. a fixed block; 83. a spring; 9. a first groove; 10. a first groove; 11. a fastening block; 12. a third groove; 13. a through hole; 14. a screw; 15. a first screw hole; 16. a second screw hole.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, an FPC welding structure includes a fixing base, a welding head, and an elastic assembly;
the welding head is arranged on one side of the fixed seat;
the elastic assembly is arranged on one side, close to the fixed seat, of the welding head, and one end of the elastic assembly and one end of the welding head are located on the same plane.
From the above description, the beneficial effects of the present invention are: set up the bonding tool in one side of fixing base, elastic component sets up in the one side that the bonding tool is close to the fixing base, and elastic component's one end and the one end of bonding tool are in the coplanar, because elastic component has the elastic stroke, when welding FPC and PCB, the bonding tool contacts with FPC and PCB's weld zone, make elastic component give FPC's the dynamics that has the elastic stroke of bending position one, so that FPC's the position of bending can remain sufficient surplus, thereby guaranteed the FPC and bent the surplus of bending of position when the welding, FPC cracked risk has been reduced.
Further, the elastic component comprises a pre-pressing block, a fixing block and a spring;
the pre-pressing block is arranged on one side of the welding head, and one end of the pre-pressing block and one end of the welding head are positioned on the same plane;
the spring is arranged at the other end of the pre-pressing block;
the fixed block is arranged at one end, far away from the pre-pressing block, of the spring.
According to the description, the elastic assembly comprises the prepressing block, the fixing block and the spring, the fixing block can fix the spring between the fixing block and the prepressing block, the prepressing block has an elastic stroke, and in the welding process, the prepressing block can give a force with the elastic stroke to the bending position of the FPC.
Further, the number of the springs includes a plurality;
the springs are arranged at the other end of the pre-pressing block at equal intervals.
As can be seen from the above description, the stability of the elastic performance of the elastic assembly is ensured by providing a plurality of springs.
Further, the other end of the pre-pressing block is provided with a first groove matched with the spring;
the fixed block is provided with a second groove matched with the spring;
the two ends of the spring are respectively arranged in the first groove and the second groove.
Known from the above description, through at the pre-compaction piece setting with the first recess of spring adaptation, be equipped with at the fixed block with the second recess of spring adaptation for the spring can be fixed better between fixed block and pre-compaction piece through the recess, has guaranteed this elastic component's structural stability.
Further, the number of the pre-pressing blocks comprises a plurality;
the pre-pressing block is also arranged on the other side of the welding head opposite to the one side;
the prepressing blocks are respectively arranged on one side and the other side of the welding head.
According to the description, the prepressing blocks can be arranged in one elastic assembly and are respectively arranged on the two sides of the welding head, and when the elastic assembly applies force to the FPC with the elastic stroke, the stress area can be more balanced.
Further, the device also comprises a fastening block;
the fastening block is provided with a third groove matched with the other end of the welding head, and the fastening block is provided with a through hole matched with the prepressing block;
the other end of the welding head is arranged in the third groove, and the other end of the pre-pressing block penetrates through the through hole.
From the above description, through setting up the fastening piece, and this fastening piece be equipped with the recess of bonding tool other end adaptation to and with the through-hole of pre-compaction piece adaptation, utilize the fastening piece can be in the same place elastic component and bonding tool better fixed to make welded structure have higher reliability.
Further, the device also comprises a screw;
a first screw hole is formed in the position, corresponding to the third groove, of the welding head;
a second screw hole is formed in the position, corresponding to the first screw hole, of the fastening block;
the screw is arranged in the first screw hole and the second screw hole.
As can be seen from the above description, the welding head is fixed to the fastening block by screws, which further enhances the connection strength between the welding head and the fastening block.
The FPC soldering structure can be applied to soldering between an FPC (Flexible Printed Circuit Board) and a PCB (Printed Circuit Board), and the following description will be given by way of specific embodiments:
example one
Referring to fig. 3-5, the FPC welding structure of the present embodiment includes a fixing base 3, a welding head 6, and an elastic component 8;
the welding head 6 is arranged on one side of the fixed seat 3;
the elastic component 8 is arranged on one side of the welding head 6 close to the fixed seat 3, and one end of the elastic component 8 and one end of the welding head 6 are in the same plane;
in an alternative embodiment, as shown in fig. 5, the number of the elastic assemblies 8 is 1, and 1 elastic assembly 8 is disposed on one side of the welding head 6 close to the fixed seat 3;
in another alternative embodiment, the number of the elastic assemblies 8 is 2, and 2 elastic assemblies 8 are arranged on one side of the welding head 6 close to the fixed seat 3 at intervals;
specifically, as shown in fig. 3, the elastic component 8 includes a pre-pressing block 81, a fixing block 82 and a spring 83;
the pre-pressing block 81 is arranged at the one side of the welding head 6, and one end of the pre-pressing block 81 and the one end of the welding head 6 are in the same plane;
the spring 83 is arranged at the other end of the pre-pressing block 81;
the fixing block 82 is disposed at one end of the spring 83 far away from the pre-pressing block 81.
Example two
Referring to fig. 3 and 5-8, the difference between the present embodiment and the first embodiment is that the specific structure of the elastic component and the fastening block is defined:
as shown in fig. 3, the number of the springs 83 includes a plurality;
a plurality of springs 83 are provided at equal intervals at the other end of the pre-pressing block 81;
in an alternative embodiment, the number of the springs 83 is 2, and 2 springs 83 are arranged at equal intervals at the other end of the pre-pressing block 81;
as shown in fig. 5 and 6, the other end of the pre-pressing block 81 is provided with a first groove 9 adapted to the spring 83;
the fixed block 82 is provided with a second groove 10 matched with the spring 83;
both ends of the spring 83 are respectively disposed in the first groove 9 and the second groove 10.
Specifically, as shown in fig. 5, the number of the pre-pressing blocks 81 includes a plurality;
the pre-pressing block 81 is also arranged on the other side of the welding head 6 opposite to the one side;
the plurality of pre-pressing blocks 81 are respectively arranged on the one side and the other side of the welding head 6;
in an alternative embodiment, as shown in fig. 3 and 5, the number of the pre-pressing blocks 81 is 2, 2 pre-pressing blocks 81 are respectively arranged on the one side and the other side of the welding head 6, and since the number of the pre-pressing blocks 81 is 2, the number of the springs 83 is 4;
specifically, as shown in fig. 7 and 8, the fastening device further comprises a fastening block 11;
the fastening block 11 is provided with a third groove 12 matched with the other end of the welding head 6, and the fastening block 11 is provided with a through hole 13 matched with the pre-pressing block 81;
the other end of the welding head 6 is arranged in the third groove 12, and the other end of the pre-pressing block 81 penetrates through the through hole 13;
wherein, as shown in fig. 3, the welding head 6 is shaped like a "T";
in an alternative embodiment, as shown in fig. 7, the number of the fastening blocks 11 is 2, and 2 fastening blocks 11 are respectively arranged on two arms at the other end of the T-shaped welding head 6 through the third groove 12;
specifically, as shown in fig. 7 and 8, the device further comprises a screw 14;
a first screw hole 15 is formed in the position, corresponding to the third groove 12, of the welding head 6;
a second screw hole 16 is formed in the fastening block 11 at a position corresponding to the first screw hole 15;
the screw 14 is disposed in the first screw hole 15 and the second screw hole 16.
In summary, the FPC welding structure provided by the present invention includes a fixing base, a welding head, and an elastic component; the welding head is arranged on one side of the fixed seat; the elastic assembly is arranged on one side, close to the fixed seat, of the welding head, and one end of the elastic assembly and one end of the welding head are located on the same plane; the elastic component comprises a prepressing block, a fixed block and a spring; the pre-pressing block is arranged on one side of the welding head, and one end of the pre-pressing block and one end of the welding head are positioned on the same plane; the spring is arranged at the other end of the pre-pressing block; the fixing block is arranged at one end, far away from the prepressing block, of the spring, and the fixing block can fix the spring between the fixing block and the prepressing block, so that the prepressing block has an elastic stroke, and the prepressing block can provide a force with the elastic stroke for the bending position of the FPC in the welding process; the number of the springs can be multiple, so that the stability of the elastic performance of the elastic assembly is guaranteed, the number of the pre-pressing blocks can also be multiple, the pre-pressing blocks are respectively arranged on two sides of the welding head, and when the elastic assembly applies force to the FPC with elastic stroke, the stress area can be more balanced; in addition, still include the fastening piece, through setting up the fastening piece, and this fastening piece is equipped with the recess with the adaptation of the bonding tool other end, and with the through-hole of pre-compaction piece adaptation, utilize the fastening piece can be in the same place elastic component and bonding tool better fixed, thereby make welded structure have higher reliability, when welding FPC and PCB, the bonding pad contact of bonding tool and FPC and PCB, make elastic component for FPC bend the dynamics that has the elasticity stroke of position one, so that FPC's the position of bending can remain sufficient surplus, thereby the surplus of bending of FPC position when the welding has been guaranteed, the cracked risk of FPC has been reduced, the welding quality has been improved, the quality of product has been guaranteed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A FPC welding structure is characterized by comprising a fixed seat, a welding head and an elastic component;
the welding head is arranged on one side of the fixed seat;
the elastic assembly is arranged on one side, close to the fixed seat, of the welding head, and one end of the elastic assembly and one end of the welding head are located on the same plane.
2. The FPC bonding structure of claim 1, wherein the elastic member includes a pre-press block, a fixing block, and a spring;
the pre-pressing block is arranged on one side of the welding head, and one end of the pre-pressing block and one end of the welding head are positioned on the same plane;
the spring is arranged at the other end of the pre-pressing block;
the fixed block is arranged at one end, far away from the pre-pressing block, of the spring.
3. An FPC soldering structure according to claim 2, wherein said number of springs includes a plurality;
the springs are arranged at the other end of the pre-pressing block at equal intervals.
4. The FPC welding structure according to claim 2, wherein the other end of the pre-pressing block is provided with a first groove adapted to the spring;
the fixed block is provided with a second groove matched with the spring;
the two ends of the spring are respectively arranged in the first groove and the second groove.
5. The FPC bonding structure according to claim 2, wherein the number of the pre-press blocks includes a plurality;
the pre-pressing block is also arranged on the other side of the welding head opposite to the one side;
the prepressing blocks are respectively arranged on one side and the other side of the welding head.
6. The FPC soldering structure according to claim 2, further comprising a fastening block;
the fastening block is provided with a third groove matched with the other end of the welding head, and the fastening block is provided with a through hole matched with the prepressing block;
the other end of the welding head is arranged in the third groove, and the other end of the pre-pressing block penetrates through the through hole.
7. The FPC soldering structure according to claim 6, further comprising a screw;
a first screw hole is formed in the position, corresponding to the third groove, of the welding head;
a second screw hole is formed in the position, corresponding to the first screw hole, of the fastening block;
the screw is arranged in the first screw hole and the second screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122054156.6U CN216600297U (en) | 2021-08-27 | 2021-08-27 | FPC welded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122054156.6U CN216600297U (en) | 2021-08-27 | 2021-08-27 | FPC welded structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216600297U true CN216600297U (en) | 2022-05-24 |
Family
ID=81637881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122054156.6U Active CN216600297U (en) | 2021-08-27 | 2021-08-27 | FPC welded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216600297U (en) |
-
2021
- 2021-08-27 CN CN202122054156.6U patent/CN216600297U/en active Active
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