CN217721584U

CN217721584U - Anti rigid-flex circuit board that rolls over

Info

Publication number: CN217721584U
Application number: CN202221636334.4U
Authority: CN
Inventors: 陈晚祖
Original assignee: Shenzhen Hehong Electronic Technology Co ltd
Current assignee: Shenzhen Hehong Electronic Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-11-01
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses an anti-bending rigid-flex circuit board, which belongs to the technical field of circuit boards, and aims at the problems that when the rigid-flex circuit board is installed, the precession degree of adjusting bolts at two sides of the circuit board is difficult to control, the pressing force at two sides of the circuit board is easy to be different, and the replacement of an insulating rubber pad is inconvenient, the circuit board comprises a mounting plate and a circuit board body, two opposite side edges of the circuit board body are respectively fixed with an ear plate, a portable pressing mechanism is arranged on the mounting plate, the portable pressing mechanism comprises a support plate and a transmission rod, one corresponding surface of the two support plates is respectively provided with a buckling part, and two ends of the transmission rod are respectively provided with a synchronous touch part; the utility model discloses a withhold the setting of part and synchronous touch force part, make things convenient for the installation of circuit board body promptly, can guarantee the atress degree at circuit board body both ends again, improve the steadiness of circuit board body when using.

Description

Anti rigid-flex circuit board that rolls over

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to anti rigid-flex circuit board that rolls over.

Background

The circuit board is the provider of the electronic component electric connection, its development has been had for more than 100 years of history, its design is mainly the territory design, the main advantage to adopt the circuit board is that the mistake of greatly reducing the routing and assembling, the rigid-flex circuit board is made up of rigid line board, flexible line board and rigid line board, this kind of circuit board, the designer of the rigid-flex circuit board can utilize single assembly to replace the composite printed circuit board that is connected by a plurality of connectors, many cables and ribbon cables, the performance is stronger, the stability is higher too.

Patent publication number is CN 215581893U's a high heat dissipation multilayer rigid-flex printed circuit board among the prior art, and above-mentioned patent can improve the bulk strength of circuit board body through setting up first curing board and second curing board, avoids the circuit board body to take place to damage in the dismouting in-process, influences the use, nevertheless still exists following not enoughly in the in-service use:

(1) above-mentioned patent is through twisting reverse adjusting bolt to control pressing plate's lift makes the clamp plate offset with the fixed otic placode of circuit board side, realizes the fixed effect of circuit board, although fixed effect is obvious, nevertheless needs the manual work to twist reverse adjusting bolt in circuit board both sides one by one among the actual operation, not only the operation is hard, reduces and dismantles the effect, and the precession degree of difficult control bolt when twisting in addition leads to the dynamics of compressing tightly of circuit board both sides to differ easily, and then influences the steadiness of circuit board when using.

(2) Although utilize the setting of insulating rubber pad in the above-mentioned patent, can avoid the clamp plate to the otic placode pressure too big, cause the damage of otic placode, nevertheless be fixed connection between actual well insulating rubber pad and the clamp plate, the hardening appears when using for a long time in insulating rubber pad of being not convenient for, in time changes the operation, reduces the in-service use effect.

Therefore, an anti-bending rigid-flex circuit board is needed, and the problems that when the rigid-flex circuit board exists in the prior art is installed, the screwing degree of adjusting bolts on two sides of the circuit board is difficult to control, the pressing force on two sides of the circuit board is different easily, and the insulating rubber pads are not convenient to replace are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti rigid-flex circuit board that rolls over to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-bending rigid-flex circuit board comprises a mounting plate and a circuit board body horizontally arranged above the mounting plate, wherein ear plates are fixed on two opposite side edges of the circuit board body, and a portable pressing mechanism is arranged on the mounting plate;

the portable hold-down mechanism includes that two symmetries vertical fixation are in backup pad and level on the mounting panel top surface set up in the transfer line of circuit board body below, two all be provided with the withholding part in the corresponding one side of backup pad, the both ends of transfer line all are provided with the synchronous power of touching part.

What need explain in the scheme is that withhold spare including laminate in on the otic placode one side and with backup pad lateral wall vertical fixation's the seat of accepting, the operation groove has been seted up on the top of backup pad, the activity of operation inslot is provided with the trace, the one end of trace is provided with the resilience subassembly, the other end of trace crosses the operation groove and is fixed with the clamp plate, can dismantle on the clamp plate be provided with the rubber pad that the otic placode another side offseted.

It should be further noted that the synchronous touch component includes a winding drum tightly sleeved on the rod body of the transmission rod and a cord wound on the drum body of the winding drum, a rotation supplying groove is formed on one surface of the support plate facing the transmission rod, the transmission rod penetrates into the rotation supplying groove and is rotatably connected with the innermost inner wall of the rotation supplying groove, the winding drum is movably arranged in the rotation supplying groove, and the tail end of the cord vertically penetrates upwards into the rotation supplying groove and is fixedly connected with the linkage rod.

It should be further noted that a rocker is transversely penetrated through one of the supporting plates, the rocker penetrates into the rotation supply groove and is fixedly connected with one end of the transmission rod, and a rocking handle is fixed at the tail end of the rocker.

As a preferred embodiment, a locking rod penetrates through the other support plate and is fixedly connected with the other end of the transmission rod, a disc is fixedly connected to the tail end of the locking rod, a screw rod is vertically arranged above the disc, a nut seat fixed with the other support plate is connected to the rod body of the screw rod in a threaded manner, and a threaded hole matched with the screw rod is formed in the periphery of the disc in a surrounding manner.

As a preferred embodiment, the rebounding assembly includes a movable barrel rotatably disposed between inner walls of two sides of the operating groove, a rotating rod horizontally disposed in an inner cavity of the movable barrel, and a torsion spring sleeved on a rod body of the rotating rod, two ends of the rotating rod are respectively fixed to inner walls of two sides of the operating groove, a barrel wall of the movable barrel is fixed to the linkage rod, one end of the torsion spring is fixed to an inner wall of the movable barrel, and the other end of the torsion spring is fixed to a rod body of the rotating rod.

As a preferred embodiment, a fixed block is fixed on the rubber pad, a jack matched with the fixed block is formed in the pressing plate, a movable groove communicated with the jack is formed in the inner wall of the pressing plate in a horizontal manner, an inserting rod is arranged in the movable groove in a sliding manner, one end of the inserting rod transversely penetrates through the fixed block, and the other end of the inserting rod penetrates out of the pressing plate.

As a preferred embodiment, a return spring is sleeved on the rod body of the insertion rod positioned in the movable groove, one end of the return spring is fixed to the innermost inner wall of the return spring, a compression ring is fixed to the other end of the return spring, and the compression ring is tightly sleeved on the rod body of the insertion rod.

Compared with the prior art, the utility model provides a pair of anti rigid-flex circuit board that rolls over includes following beneficial effect at least:

(1) Through the setting of withholding part and synchronous touch power part, when the installation circuit board body, only need simply make the transfer line rotation, withholding part in two backup pads can alright move fast under the effect of synchronous touch power part, then compress tightly circuit board body both ends in step, make things convenient for the installation of circuit board body promptly, can guarantee the atress degree at circuit board body both ends again, improve the steadiness of circuit board body when using.

(2) Through the setting of inserted bar, outwards pull the inserted bar in the clamp plate outside, remove the inserted bar from the fixed block inside completely, can relieve the locking effect to fixed block and rubber pad, be of value to the rubber pad when serious sclerosis appears in long-term use, make things convenient for the dismantlement of rubber pad to change, guarantee the clamp plate when the secondary uses, to otic placode clamping force buffering effect.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of the internal structure of the pressing plate of the present invention.

In the figure: 1. mounting a plate; 2. a circuit board body; 3. a support plate; 4. a bearing seat; 5. an ear plate; 6. an operation tank; 7. pressing a plate; 8. a rubber pad; 9. a linkage rod; 10. a movable barrel; 11. a rotation supply rod; 12. a torsion spring; 13. a transmission rod; 14. a supply and rotation groove; 15. winding the roll; 16. a cord; 17. a locking lever; 18. a nut seat; 19. a screw; 20. a fixed block; 21. a movable groove; 22. a rod is inserted; 23. a compression ring; 24. a return spring; 25. a rocker.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides an anti-bending rigid-flex circuit board, which comprises a mounting plate 1 and a circuit board body 2 horizontally arranged above the mounting plate 1, wherein two opposite side edges of the circuit board body 2 are respectively fixed with an ear plate 5, and the mounting plate 1 is provided with a portable pressing mechanism for synchronously fixing two ends of the circuit board body 2;

the portable hold-down mechanism comprises two supporting plates 3 which are symmetrically and vertically fixed on the top surface of the mounting plate 1 and a transmission rod 13 which is horizontally arranged below the circuit board body 2, wherein the two corresponding supporting plates 3 are provided with a buckling part for pressing the ear plate 5, and the two ends of the transmission rod 13 are provided with synchronous touch force parts for driving the buckling part to operate.

Through the setting of withholding part and synchronous touch force part, when installation circuit board body 2, only need simply make the 13 rotations of transfer line, withhold the part on two backup pads 3 can alright move fast under the effect of synchronous touch force part, then compress tightly 2 both ends of circuit board body in step, make things convenient for the installation of circuit board body 2 promptly, can guarantee the atress degree at 2 both ends of circuit board body again, improve the steadiness of circuit board body 2 when using.

Further as shown in fig. 1, fig. 2 and fig. 3, it is worth specifically explaining that the pressing part includes a bearing seat 4 attached to one side of the ear plate 5 and vertically fixed to a side wall of the supporting plate 3, an operation groove 6 is formed at the top end of the supporting plate 3, a linkage rod 9 is movably arranged in the operation groove 6, a rebound component is arranged at one end of the linkage rod 9, the other end of the linkage rod 9 transversely penetrates through the operation groove 6 and is fixed with a pressing plate 7, and a rubber pad 8 abutting against the other side of the ear plate 5 is detachably arranged on the pressing plate 7.

The synchronous touch force component comprises a winding drum 15 fixedly sleeved on the shaft body of a transmission rod 13 and a rope 16 wound on the drum body of the winding drum 15, a rotating groove 14 is formed in one surface, facing the transmission rod 13, of a supporting plate 3, the transmission rod 13 penetrates into the rotating groove 14 and is connected with the innermost inner wall of the rotating groove 14 in a rotating mode, the winding drum 15 is movably arranged in the rotating groove 14, and the tail end of the rope 16 vertically penetrates upwards into the rotating groove 6 and is fixedly connected with a linkage rod 9.

Through the arrangement of the winding drum 15, the thread rope 16, the linkage rod 9, the pressing plate 7 and the rubber pad 8, when the transmission rod 13 rotates, the end part of the transmission rod 13 synchronously drives the winding drum 15 to rotate together to wind the thread rope 16 in the rotation supplying groove 14, so that the thread rope 16 forms downward pulling force on the linkage rod 9, the linkage rod 9 can drive the pressing plate 7 to turn downwards and buckle on the upper surface of the lug plate 5, and the rubber pad 8 can be used for contacting with the lug plate 5 in advance in the process of turning downwards of the pressing plate 7, buffering the pressing force of the pressing plate 7 on the lug plate 5, and preventing the lug plate 5 from being damaged due to excessive pressure.

Further as shown in fig. 2, it is worth concretely explaining that a rocker 25 is transversely penetrated on one of the supporting plates 3, the rocker 25 penetrates into the rotation supply slot 14 and is fixedly connected with one end of the transmission rod 13, and a rocking handle is fixed on the tail end of the rocker 25.

Through the arrangement of the rocker 25, the rocker handle on the rocker 25 is rocked, so that the transmission rod 13 can be rotated.

Further as shown in fig. 3, it is worth concretely explaining that the rebounding component includes a movable cylinder 10 rotatably disposed between the inner walls of the two sides of the operation groove 6, a rotation supply rod 11 horizontally disposed in the inner cavity of the movable cylinder 10, and a torsion spring 12 sleeved on the rod body of the rotation supply rod 11, two ends of the rotation supply rod 11 are respectively fixed with the inner walls of the two sides of the operation groove 6, the cylinder wall of the movable cylinder 10 is fixed with the linkage rod 9, one end of the torsion spring 12 is fixed with the inner wall of the movable cylinder 10, and the other end of the torsion spring 12 is fixed with the rod body of the rotation supply rod 11.

Through torsion spring 12's setting, rotate at transfer line 13, make the in-process of trace 9 upset downwards, trace 9 can hold in the same time move movable section of thick bamboo 10 and rotate on supplying commentaries on classics 11 poles of the staff, then twist torsion spring 12, make torsion spring 12 deformation, utilize torsion spring 12's resilience force, can twist the back to transfer line 13 in the release, even make trace 9 under torsion spring 12 torsional force effect that resets, reverse activity by oneself, make clamp plate 7 no longer suppress 5 upper surfaces of otic placode, relieve the fixed effect to otic placode 5 by oneself.

Further as shown in fig. 2 and fig. 3, it is worth concretely explaining that a locking rod 17 penetrates through the other support plate 3, the locking rod 17 penetrates into the rotation supply groove 14 and is fixedly connected with the other end of the transmission rod 13, a disc is fixedly connected to the tail end of the locking rod 17, a screw rod 19 is vertically arranged above the disc, a nut seat 18 fixed to the other support plate 3 is connected to the rod body of the screw rod 19 in a threaded manner, and a threaded hole matched with the screw rod 19 is formed in the circumference of the disc in a surrounding manner.

Through the setting of check lock lever 17, disc and screw rod 19, wait to accomplish the torsion of transfer line 13 for when clamp plate 7 compresses tightly otic placode 5, twist screw rod 19 downwards promptly, make screw rod 19 insert one of them threaded hole in the disc surface, alright effectively through the mode of locking check lock lever 17, brake transfer line 13, make trace 9 can keep firm under torsion spring 12 resilience force and cotton rope 16 traction force effect, convenient to use.

Further as shown in fig. 4, it is worth specifically explaining that a fixed block 20 is fixed on the rubber pad 8, an insertion hole matched with the fixed block 20 is formed in the pressing plate 7, a movable groove 21 communicated with the insertion hole is horizontally arranged in the inner wall of the pressing plate 7, an insertion rod 22 is slidably arranged in the movable groove 21, one end of the insertion rod 22 penetrates through the fixed block 20, and the other end of the insertion rod 22 penetrates through the pressing plate 7.

Through the arrangement of the inserting rod 22, the inserting rod 22 is outwards pulled out of the outer side of the pressing plate 7, the inserting rod 22 is completely removed from the inside of the fixing block 20, the locking effect on the fixing block 20 and the rubber pad 8 can be relieved, the rubber pad 8 is beneficial to being detached and replaced when severe hardening occurs in the long-term use process, and the pressing force buffering effect on the ear plate 5 is ensured when the pressing plate 7 is used for the second time.

The scheme has the following working processes: when the circuit board body 2 is installed, the circuit board body 2 can be manually placed on the installation plate 1 horizontally in advance, so that the lug plates 5 on the circuit board body 2 are supported by the bearing seats 4, then the crank on the winding drum 15 is rotated, the transmission rod 13 rotates between the two support plates 3, the winding drums 15 at the two ends of the transmission rod 13 can synchronously wind the cotton ropes 16 in the moving process of the transmission rod 13, downward traction force is synchronously formed on the linkage rods 9 on the two support plates 3, then the linkage rods 9 are forced to drive the pressing plate 7 and the rubber pads 8 to turn downwards, so that the rubber pads 8 are buckled and pressed on the upper surfaces of the lug plates 5, the fixing effect on the two ends of the circuit board body 2 is synchronously implemented, the compression degree on the lug plates 5 at the two ends of the circuit board body 2 is balanced, and the stability of the circuit board body 2 in the use process is guaranteed;

in the process that the linkage rod 9 is turned downwards, the linkage rod 9 can simultaneously drive the movable cylinder 10 to move on the rod body of the rotating rod 11, then the torsion spring 12 is twisted, so that the torsion spring 12 is deformed, when the rubber pad 8 is completely pressed on the upper surface of the lug plate 5, the screw rod 19 is twisted downwards, so that the screw rod 19 is inserted into one threaded hole in the disc under the threaded structure, the transmission rod 13 is locked, the reverse rebounding action of the elastic force of the torsion spring 12 on the linkage rod 9 is counteracted, and the pressing state of the pressing plate 7 on the lug plate 5 is maintained;

conversely, when the circuit board body 2 needs to be disassembled, the screw rod 19 only needs to be reversely twisted, so that the screw rod 19 is removed from the threaded hole of the disc, the locking effect on the transmission rod 13 is released, the linkage rod 9 can drive the pressing plate 7 and the rubber pad 8 to reversely reset and rotate under the action of the resilience force of the torsion spring 12, even if the rubber pad 8 does not press the lug plate 5 any more, the fixing effect is released at the two ends of the circuit board body 2 synchronously, and the circuit board body 2 is convenient to disassemble;

in addition, if the rubber pad 8 is seriously hardened in the long-term use process, namely the inserting rod 22 is pulled outwards from the outer side of the pressing plate 7, the inserting rod 22 is contracted towards the inner side of the movable groove 21 until the inserting rod 22 is completely removed from the inside of the fixed block 20, the locking effect on the fixed block 20 and the rubber pad 8 can be released, the rubber pad 8 is convenient to detach and replace, and the pressing force on the lug plate 5 is effectively weakened when the pressing plate 7 is used for the second time, so that the lug plate 5 is prevented from being excessively stressed and damaged.

According to the working process, the following steps are carried out: through the arrangement of the rocker 25, the transmission rod 13 is convenient to rotate, through the arrangement of the winding drum 15, the cord 16, the linkage rod 9, the pressing plate 7 and the rubber pad 8, when the transmission rod 13 rotates, the winding drum 15 at the end part of the transmission rod 13 winds the cord 16 together, the linkage rod 9 is pulled down, the pressing plate 7 is enabled to turn downwards and be buckled on the upper surface of the lug plate 5, the rubber pad 8 is utilized, the pressing force of the pressing plate 7 on the lug plate 5 is buffered, so that the lug plate 5 is prevented from being damaged due to excessive pressure, through the arrangement of the torsion spring 12, the resilience force of the torsion spring 12 is utilized, after the torsion of the transmission rod 13 is released, even if the linkage rod 9 is inserted into one of the threaded holes in the surface of the disc, the transmission rod 13 can be automatically and reversely moved, the fixing effect on the lug plate 5 is relieved, through the arrangement of the locking rod 17, the disc and the screw rod 19, the torsion of the transmission rod 13 is completed, the screw rod 19 is twisted downwards, so that the screw rod 19 is inserted into one of the threaded hole in the surface of the disc, the screw rod 19, the linkage rod 9 can be effectively braked, so that the pressing plate can be stably kept, the rubber pad 8 can be conveniently replaced when the pressing plate 7 is seriously hardened in the long-time, and the pressing force of the pressing plate 5 is ensured, and the pressing force is ensured.

Further as shown in fig. 4, it is worth specifically describing that a return spring 24 is sleeved on a shaft of the insert rod 22 located in the movable groove 21, one end of the return spring 24 is fixed to an innermost inner wall of the return spring 24, a pressing ring 23 is fixed to the other end of the return spring 24, and the pressing ring 23 is tightly sleeved on the shaft of the insert rod 22.

Through clamp ring 23 and reset spring 24's setting, during outside pull inserted bar 22, inserted bar 22 just drives clamp ring 23 and slides and compress reset spring 24 in activity groove 21 inboard for reset spring 24 deformation utilizes reset spring 24's resilience force then, can release the pulling back to inserted bar 22 at the manual work, and the inserted bar 22 that resets by oneself, the secondary use of being convenient for.

To sum up: through the arrangement of the rocker 25, the transmission rod 13 is convenient to rotate, through the arrangement of the winding drum 15, the cord 16, the linkage rod 9, the pressing plate 7 and the rubber pad 8, when the transmission rod 13 rotates, the winding drum 15 at the end part of the transmission rod 13 winds up the cord 16 together, the linkage rod 9 is pulled down, the pressing plate 7 is enabled to turn downwards and be buckled on the upper surface of the lug plate 5, the rubber pad 8 is utilized to buffer the pressing force of the pressing plate 7 on the lug plate 5 so as to avoid damage caused by excessive pressure on the lug plate 5, through the arrangement of the torsion spring 12, the resilience force of the torsion spring 12 is utilized, after the transmission rod 13 is released to be twisted, even if the linkage rod 9 is inserted into one of the threaded holes of the surfaces of the disks under the reset torsion force of the torsion spring 12, the transmission rod 13 is automatically and reversely moved, the fixing effect on the lug plate 5 is released, through the arrangement of the locking rod 17, the disks and the threaded rods 19, the torsion of the transmission rod 13 is completed, the screw rod 19 is twisted downwards, so that the threaded hole can be inserted into the screw rod 19, the linkage rod 13 can be effectively braked, the linkage rod 9 can be stably kept, the rubber pad 8 is beneficial to being seriously hardened in the long-time, the replacement of the rubber pad 8 is convenient to be replaced, the rubber pad 7 is convenient to be manually, the secondary pressing plate 22 is convenient to be used, the pressing plate is convenient to be used, and the rubber pad 22 is convenient to be used, and the pressing plate is convenient to be used, and the secondary pressing plate 5 is convenient to be used, and the rubber pad 22 is convenient to be used, and the pressing plate is convenient to be used.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

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 anti-bending rigid-flex circuit board is characterized by comprising an installation plate (1) and a circuit board body (2) horizontally arranged above the installation plate (1), wherein lug plates (5) are fixed on two opposite side edges of the circuit board body (2), and a portable pressing mechanism is arranged on the installation plate (1);

portable hold-down mechanism includes two symmetry vertical fixation in backup pad (3) and level on mounting panel (1) top surface set up in transfer line (13) of circuit board body (2) below, two all be provided with the withhold part in the corresponding one side of backup pad (3), the both ends of transfer line (13) all are provided with synchronous touching power part.

2. An anti-bending rigid-flex circuit board according to claim 1, characterized in that: withhold the splenium spare including laminate in otic placode (5) one side on and with backup pad (3) lateral wall vertical fixation's socket (4), operation groove (6) have been seted up on the top of backup pad (3), operation groove (6) internalization is provided with trace (9), the one end of trace (9) is provided with the resilience subassembly, the other end of trace (9) crosses operation groove (6) are fixed with clamp plate (7), can dismantle on clamp plate (7) be provided with rubber pad (8) that otic placode (5) another side offseted.

3. An anti-bending rigid-flex circuit board according to claim 2, characterized in that: the synchronous touch force component comprises a winding drum (15) tightly sleeved on the shaft body of the transmission rod (13) and a wire rope (16) wound on the drum body of the winding drum (15), one surface of the support plate (3) opposite to the transmission rod (13) is provided with a rotating groove (14), the transmission rod (13) penetrates into the rotating groove (14) and is rotationally connected with the innermost inner wall of the rotating groove (14), the winding drum (15) is movably arranged in the rotating groove (14), and the tail end of the wire rope (16) vertically penetrates upwards into the rotating groove (6) and is fixedly connected with the linkage rod (9).

4. An anti-bending rigid-flex printed circuit board according to claim 3, characterized in that: a rocker (25) transversely penetrates through one of the supporting plates (3), the rocker (25) penetrates into the rotation supply groove (14) and is fixedly connected with one end of the transmission rod (13), and a rocking handle is fixed at the tail end of the rocker (25).

5. An anti-bending rigid-flex printed circuit board according to claim 3, characterized in that: wherein another last check lock pole (17) of having traversed of backup pad (3), check lock pole (17) penetrate supply in the rotary tank (14) and with the other end rigid coupling of transfer line (13), the end rigid coupling of check lock pole (17) has the disc, the vertical screw rod (19) that is provided with in top of disc, threaded connection has and wherein another on the pole body of screw rod (19) backup pad (3) looks fixed nut seat (18), encircle to open on the whole of disc be equipped with the screw hole of screw rod (19) looks adaptation.

6. The bending-resistant rigid-flexible combined circuit board according to claim 2, characterized in that: the rebounding component comprises a movable barrel (10) which is rotatably arranged between the inner walls of the two sides of the moving groove (6), a rotating rod (11) which is horizontally arranged in the inner cavity of the movable barrel (10) and a torsion spring (12) which is sleeved on the rod body of the rotating rod (11), wherein the two ends of the rotating rod (11) are respectively fixed with the inner walls of the two sides of the moving groove (6), the barrel wall of the movable barrel (10) is fixed with the linkage rod (9), one end of the torsion spring (12) is fixed with the inner wall of the movable barrel (10), and the other end of the torsion spring (12) is fixed with the rod body of the rotating rod (11).

7. The bending-resistant rigid-flexible combined circuit board according to claim 2, characterized in that: fixed block (20) are fixed on rubber pad (8), set up on clamp plate (7) with the jack of fixed block (20) looks adaptation, the horizontal split is equipped with in the inner wall of clamp plate (7) with activity groove (21) that the jack is linked together, it is provided with inserted bar (22) to slide in activity groove (21), the one end of inserted bar (22) traverses fixed block (20), inserted bar (22) other end is worn out clamp plate (7).

8. An anti-bending rigid-flex printed circuit board according to claim 7, characterized in that: a return spring (24) is sleeved on the rod body of the insert rod (22) positioned in the movable groove (21), one end of the return spring (24) is fixed with the innermost inner wall of the return spring (24), a compression ring (23) is fixed at the other end of the return spring (24), and the compression ring (23) is tightly sleeved on the rod body of the insert rod (22).