CN212752723U

CN212752723U - FPC flexible circuit board

Info

Publication number: CN212752723U
Application number: CN202021389050.0U
Authority: CN
Inventors: 卢灿新; 卢志平
Original assignee: Shenzhen Hong'an Electronic Technology Co ltd
Current assignee: Shenzhen Hong'an Electronic Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-19
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a FPC flexible circuit board, which comprises a first substrate, a copper foil and a second substrate, wherein the second substrate is fixedly arranged on one side of the first substrate, the copper foil is arranged between the first substrate and the second substrate, the two ends of the copper foil are respectively and fixedly connected with the first substrate and the second substrate, a soft rod is arranged on the surface of the center of the copper foil, a meshing mechanism which can be meshed and fixed to realize self-locking is arranged at the center of the soft rod, two rotating mechanisms which can drive the copper foil to be rolled through rotation are symmetrically fixed at the two ends of the soft rod, the rotating mechanism is in transmission connection with the meshing mechanism, the FPC flexible circuit board can roll the copper foil under the matching action of the meshing mechanism and the rotating mechanism, the whole circuit board is convenient to be protected, the aim of convenient disassembly is realized under the action of the rotating mechanism, and the use and the installation of the circuit board are not influenced, compared with the prior art, the protection of the flexible circuit board is enhanced.

Description

FPC flexible circuit board

Technical Field

The utility model relates to a FPC flexible circuit board technical field specifically is a FPC flexible circuit board.

Background

The flexible circuit board, also called as flexible circuit board, it is light in weight, thin, can be freely crooked folding excellent characteristic and is favored, but domestic quality detection related to FPC still mainly relies on artifical visual inspection, with high costs and inefficiency, and along with the rapid development of electronics industry, the circuit board design more and more tends to high accuracy, high densification, traditional manual detection method has been unable to satisfy the production demand, FPC defect automated inspection becomes the inevitable trend of industrial development.

After the existing FPC flexible circuit board is produced and processed, the surface of the flexible circuit board may be damaged in the transportation process due to poor fixation, and therefore, the FPC flexible circuit board is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make things convenient for the rolling and when the installation convenient dismantlement can not influence the FPC flexible circuit board that uses to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a FPC flexible circuit board, includes first base plate, copper foil and second base plate, the fixed second base plate that is equipped with in first base plate one side, and be equipped with the copper foil between first base plate and the second base plate, the both ends of copper foil are respectively in first base plate and second base plate fixed connection, the copper foil center is equipped with soft pole on the surface, soft pole center department is equipped with the fixed engagement mechanism who realizes the auto-lock that can mesh, soft pole both ends symmetry is fixed with two accessible and rotates the slewing mechanism who drives the copper foil rolling, slewing mechanism is connected for the transmission with engagement mechanism.

Preferably, one side of the first substrate, which is far away from the copper foil, is fixed with a thread gluing, one side of the second substrate, which is far away from the copper foil, is fixed with a gluing plate, the thread gluing and the gluing plate are bonded, the two sides of the first substrate are fixed with upper clamping plates, the two sides of the second substrate are fixed with lower clamping plates, and the upper clamping plates and the lower clamping plates are in sliding clamping connection.

Preferably, the meshing mechanism includes rubber thread sleeve pipe and threaded rod, rubber thread sleeve pipe is fixed on the copper foil central surface, soft pole and rubber thread sleeve pipe are for sliding peg graft, the fixed threaded rod that has cup jointed on the soft pole central surface, and threaded rod and rubber thread sleeve pipe are connected for the meshing.

Preferably, the rotating mechanism comprises a threaded head and a threaded knob, the threaded head is fixed at two ends of the soft rod far away from the engaging mechanism, and the threaded knob is engaged and connected to the surface of the threaded head.

Preferably, a protective layer is fixed on one side of the first substrate, which is far away from the upper clamping plate, and one side of the second substrate, which is far away from the lower clamping plate.

Preferably, the diameter of the threaded head of the rotating mechanism is smaller than the diameter of the threaded rod of the engaging mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when needing to fold first base plate and second base plate, fold butt joint first base plate and second base plate, bond thread gluing and gluing tablet, and realize the protection and the joint stability of first base plate and second base plate under the wedging joint effect of last cardboard with lower cardboard, insert the soft pole in the rubber thread sleeve, until the threaded rod meshes with the rubber thread sleeve, at this moment because the engaging force is greater than the coiling power, consequently in the process of rotating the soft pole, can realize the coiling to the copper foil in both sides, when installing the circuit board, can manually rotate the screw knob, it is the meshing that the screw knob breaks away from the thread head, at this moment through rotating the soft pole, make the threaded rod break away from the meshing of rubber thread sleeve, thereby can take out the soft pole, avoid producing the inconvenience when installing the circuit board, this kind of FPC flexible circuit board, can realize the coiling to the copper foil under the mating action of engaging mechanism and slewing mechanism, the protection of the whole circuit board is facilitated, the purpose of convenient disassembly is achieved under the action of the rotating mechanism, the use and installation of the circuit board are not affected, and the protection of the flexible circuit board is enhanced compared with the prior art.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection between the rotating mechanism and the engaging mechanism of the present invention;

fig. 3 is a schematic view of a clamping structure of the first substrate and the second substrate of the present invention;

fig. 4 is a schematic structural view of the engaging mechanism of the present invention;

fig. 5 is a schematic view of the rotating mechanism of the present invention.

In the figure: 1. a first substrate; 11. sticking a thread; 12. sticking the cards; 13. an upper clamping plate; 14. a lower clamping plate; 15. a protective layer; 2. copper foil; 3. a soft rod; 4. a rotating mechanism; 41. a screw head; 42. a threaded knob; 5. an engagement mechanism; 51. a rubber threaded bushing; 52. a threaded rod; 6. a second substrate.

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.

Referring to fig. 1, a Flexible Printed Circuit (FPC) shown in the figure includes a first substrate 1, a copper foil 2 and a second substrate 6, the second substrate 6 is fixedly disposed on one side of the first substrate 1, the copper foil 2 is disposed between the first substrate 1 and the second substrate 6, two ends of the copper foil 2 are respectively fixedly connected to the first substrate 1 and the second substrate 6, and the copper foil 2: the method is basically divided into two types of electrolytic copper and rolled copper, wherein the first substrate 1 and the second substrate 6 are copper foil 2 substrates.

Referring to fig. 1 and 2, a soft rod 3 is arranged on the surface of the center of the copper foil 2, an engaging mechanism 5 which can be engaged and fixed to realize self-locking is arranged at the center of the soft rod 3, two rotating mechanisms 4 which can drive the copper foil 2 to be rolled through rotation are symmetrically fixed at two ends of the soft rod 3, the rotating mechanisms 4 are in transmission connection with the engaging mechanism 5, the copper foil 2 can be rolled under the matching action of the engaging mechanism 5 and the rotating mechanisms 4, the whole circuit board is protected conveniently, the purpose of convenient disassembly is realized under the action of the rotating mechanism 4, and the use and installation of the circuit board are not affected.

Referring to fig. 3, a sticky buckle 11 is fixed on one side of the first substrate 1, which is far away from the copper foil 2, a sticky card 12 is fixed on one side of the second substrate 6, which is far away from the copper foil 2, the sticky buckle 11 is adhered to the sticky card 12, an upper card 13 is fixed on two sides of the first substrate 1, a lower card 14 is fixed on two sides of the second substrate 6, the upper card 13 and the lower card 14 are in sliding clamping connection, when the first substrate 1 and the second substrate 6 need to be folded, the first substrate 1 and the second substrate 6 are folded and butted, the sticky buckle 11 is adhered to the sticky card 12, and under the effect of wedging clamping connection of the upper card 13 and the lower card 14, protection and clamping stability of the first substrate 1 and the second substrate 6 are realized.

Referring to fig. 2 and 4, the engaging mechanism 5 includes a rubber threaded sleeve 51 and a threaded rod 52, the rubber threaded sleeve 51 is fixed on the central surface of the copper foil 2, the soft rod 3 is slidably inserted into the rubber threaded sleeve 51, the threaded rod 52 is fixedly sleeved on the central surface of the soft rod 3, the threaded rod 52 is engaged with the rubber threaded sleeve 51, the soft rod 3 is inserted into the rubber threaded sleeve 51 until the threaded rod 52 is engaged with the rubber threaded sleeve 51, and at this time, since the engaging force is greater than the winding force, the copper foils 2 on both sides can be wound up in the process of rotating the soft rod 3.

Referring to fig. 2 and 5, the rotating mechanism 4 includes a screw head 41 and a screw knob 42, the screw head 41 is fixed at two ends of the soft rod 3 far from the engaging mechanism 5, the screw knob 42 is engaged and connected to the surface of the screw head 41, the screw knob 42 is rotated to the bottom of the screw head 41, the soft rod 3 can be driven to rotate, when the circuit board is mounted, the screw knob 42 can be manually rotated, the screw knob 42 is disengaged from the engagement of the screw head 41, and at this time, the screw rod 52 is disengaged from the engagement of the rubber threaded sleeve 51 by rotating the soft rod 3, so that the soft rod 3 can be drawn out, and inconvenience caused when the circuit board is mounted is avoided.

Referring to fig. 3, a protective layer 15 is fixed on both the side of the first substrate 1 away from the upper card 13 and the side of the second substrate 6 away from the lower card 14, the protective layer 15 forms a circuit base layer for an insulating film, and the copper foil 2 is bonded to the insulating layer by an adhesive, and in a multilayer design, it is bonded to an inner layer.

Referring to fig. 2, the diameter of the threaded head 41 of the rotating mechanism 4 is smaller than the diameter of the threaded rod 52 of the engaging mechanism 5, so as to facilitate the insertion of the soft rod 3.

In the scheme, when the first substrate 1 and the second substrate 6 need to be folded, the first substrate 1 and the second substrate 6 are folded and butted, the thread gluing 11 and the gluing card 12 are bonded, the first substrate 1 and the second substrate 6 are protected and clamped stably under the wedge-engaging and clamping action of the upper clamping plate 13 and the lower clamping plate 14, the soft rod 3 is inserted into the rubber threaded sleeve 51 until the threaded rod 52 is engaged with the rubber threaded sleeve 51, at the moment, the engaging force is greater than the coiling force, so that the copper foils 2 on two sides can be coiled in the process of rotating the soft rod 3, when a circuit board is installed, the threaded knob 42 can be manually rotated and disengaged from the threaded head 41, at the moment, the threaded rod 52 is disengaged from the engagement of the rubber threaded sleeve 51 by rotating the soft rod 3, so that the soft rod 3 can be drawn out, inconvenience caused when the circuit board is installed is avoided, and the FPC flexible circuit board is provided, can realize the rolling to copper foil 2 under the mating reaction of meshing mechanism 5 and slewing mechanism 4, be convenient for protect whole circuit board, under slewing mechanism 4's effect, realized the purpose of convenient dismantlement, do not influence the use and the installation of circuit board, for current technique, strengthened the protection to flexible circuit board.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a FPC flexible circuit board, includes first base plate (1), copper foil (2) and second base plate (6), first base plate (1) one side is fixed to be equipped with second base plate (6), and is equipped with copper foil (2) between first base plate (1) and second base plate (6), the both ends of copper foil (2) are respectively in first base plate (1) and second base plate (6) fixed connection, its characterized in that: copper foil (2) central point is equipped with soft pole (3) on the surface, soft pole (3) center department is equipped with meshing fixed engagement mechanism (5) that realize the auto-lock, soft pole (3) both ends symmetry is fixed with two accessible and rotates slewing mechanism (4) that drive copper foil (2) rolling, slewing mechanism (4) are connected for the transmission with engagement mechanism (5).

2. An FPC flexible circuit board according to claim 1, characterized in that: one side that copper foil (2) were kept away from in first base plate (1) is fixed with thread gluing (11), one side that copper foil (2) were kept away from in second base plate (6) is fixed with glues tablet (12), and thread gluing (11) with glue tablet (12) and be the bonding, first base plate (1) both sides are fixed with last cardboard (13), and second base plate (6) both sides are fixed with down the cardboard, it is the slip joint with lower cardboard (14) to go up cardboard (13).

3. An FPC flexible circuit board according to claim 1, characterized in that: engagement mechanism (5) include rubber thread sleeve pipe (51) and threaded rod (52), rubber thread sleeve pipe (51) are fixed on copper foil (2) central surface, soft pole (3) are pegged graft for sliding with rubber thread sleeve pipe (51), soft pole (3) central surface is fixed and is cup jointed threaded rod (52), and threaded rod (52) are connected for the meshing with rubber thread sleeve pipe (51).

4. An FPC flexible circuit board according to claim 1, characterized in that: the rotating mechanism (4) comprises a thread head (41) and a thread knob (42), the thread head (41) is fixed at two ends of the soft rod (3) far away from the meshing mechanism (5), and the thread head (41) is meshed with the thread knob (42) on the surface.

5. An FPC flexible circuit board according to claim 1, characterized in that: and protective layers (15) are fixed on one sides of the first substrate (1) far away from the upper clamping plate (13) and one sides of the second substrate (6) far away from the lower clamping plate (14).

6. An FPC flexible circuit board according to claim 1, characterized in that: the diameter of the thread head (41) of the rotating mechanism (4) is smaller than that of the threaded rod (52) of the meshing mechanism (5).