CN211959670U - Folding flexible circuit board - Google Patents

Abstract

The utility model discloses a foldable flexible line way board, including the fixed frame of first rigid line way board, the fixed frame of second rigid line way board, first U type and the fixed frame of second U type, first rigid line way board block sets up the inside at first U type fixed frame, the rigid line way board block of second sets up the inside at second U type fixed frame, first rigid line way board and the rigid line way board of second pass through flexible line way board and connect, flexible line way board's bilateral symmetry is equipped with the fixed plate, two the fixed plate is connected through two connecting plates, two movable cavities have been seted up in the fixed plate. A foldable flexible line way board, only need press two pressing plates and be close to mutually, can adjust the angle between first rigid line way board and the rigid line way board of second, loosen pressing down to the pressing plate, can be so that the angle between first rigid line way board and the rigid line way board of second is fixed, operating procedure is simple convenient, has improved the convenience.

Description

Folding flexible circuit board

Technical Field

The utility model relates to a circuit board technical field, in particular to foldable flexible line way board.

Background

The name of the circuit board is: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, aluminum substrates, high frequency boards, thick copper boards, impedance boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, and the like. The circuit board enables the circuit to be miniaturized and visualized, plays an important role in the batch production of fixed circuits and the optimization of the layout of electric appliances, however, the search finds that a small-sized folding circuit is disclosed in the Chinese patent with the publication number of CN210042397U, four nuts need to be rotated each time the angle between the first rigid circuit board and the second rigid circuit board is adjusted, the nuts need to be screwed by means of tools when the angle between the first rigid circuit board and the second rigid circuit board is fixed, and the operation steps are complicated.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a foldable flexible printed circuit board, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a folding flexible circuit board comprises a first rigid circuit board, a second rigid circuit board, a first U-shaped fixing frame and a second U-shaped fixing frame, wherein the first rigid circuit board is clamped and arranged inside the first U-shaped fixing frame, the second rigid circuit board is clamped and arranged inside the second U-shaped fixing frame, the first rigid circuit board and the second rigid circuit board are connected through a flexible circuit board, fixing plates are symmetrically arranged on two sides of the flexible circuit board and connected through two connecting plates, two movable chambers are arranged in the fixing plates, gear grooves are formed in the inner walls of the movable chambers, which are far away from the flexible circuit board, gears are arranged in the gear grooves, the gears are matched with the gear grooves, a driving assembly is arranged on one side of the gears, which is far away from the movable chambers, and first through holes are formed in the inner walls of the movable chambers, which are far away from the gear grooves, be equipped with fixed pipe in the first through-hole, wherein two the one end of fixed pipe respectively with the both sides fixed connection of the fixed frame of first U type, two in addition the one end of fixed pipe respectively with the both sides fixed connection of the fixed frame of second U type, be equipped with reset assembly between fixed pipe and the gear, a plurality of mounting holes have all been seted up to one side of the fixed frame of first U type and the fixed frame of second U type.

Preferably, the drive assembly is including seting up the second through-hole in gear groove one side inner wall, be equipped with first activity post in the second through-hole, one side that flexible line way board was kept away from to the fixed plate is equipped with the pressing board, the one end of first activity post and the limiting plate fixed connection who is located the gear groove, adjacent two the one end and the pressing board fixed connection of first activity post.

Preferably, one side of the limit plate is in contact with one side of the gear.

Preferably, the subassembly that resets is including setting up the second movable column in the fixed tube, the one end of second movable column and one side fixed connection of gear, the outside cover of fixed tube is equipped with the spring, two spouts have been seted up to the inner wall of fixed tube, be equipped with the slider in the spout, one side and the second movable column fixed connection of slider.

Preferably, the one end and the gear fixed connection of spring, wherein two the one end of spring respectively with the both sides fixed connection of the fixed frame of second U type, two in addition the one end of spring respectively with the both sides fixed connection of the fixed frame of first U type.

Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation that sets up fixed plate, connecting plate, activity cavity, first through-hole, gear groove, gear, fixed pipe, drive assembly and reset assembly, only need press two pressing plates and be close to mutually, can adjust the angle between first rigid circuit board and the rigid circuit board of second, loosen the pressing down to the pressing plate, can make the angle between first rigid circuit board and the rigid circuit board of second fixed, operating procedure is simple convenient, has improved the convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of a foldable flexible printed circuit of the present invention;

fig. 2 is a schematic structural diagram of a foldable flexible printed circuit driving assembly according to the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a first hard circuit board; 2. a second hard wiring board; 3. a first U-shaped fixing frame; 4. a second U-shaped fixing frame; 5. a flexible circuit board; 6. a fixing plate; 7. a connecting plate; 8. a movable chamber; 9. a first through hole; 10. a gear groove; 11. a gear; 12. a second through hole; 13. a first movable column; 14. a limiting plate; 15. a pressing plate; 16. a fixed tube; 17. a spring; 18. a second movable column; 19. a chute; 20. a slider; 21. and (7) installing holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-3, a foldable flexible circuit board comprises a first rigid circuit board 1, a second rigid circuit board 2, a first U-shaped fixing frame 3 and a second U-shaped fixing frame 4, wherein the first rigid circuit board 1 is clamped inside the first U-shaped fixing frame 3, the second rigid circuit board 2 is clamped inside the second U-shaped fixing frame 4, the first rigid circuit board 1 and the second rigid circuit board 2 are connected through a flexible circuit board 5, two fixing plates 6 are symmetrically arranged on two sides of the flexible circuit board 5, the two fixing plates 6 are connected through two connecting plates 7, two movable chambers 8 are arranged in the fixing plates 6, a gear groove 10 is arranged on the inner wall of one side of each movable chamber 8 away from the flexible circuit board 5, a gear 11 is arranged in the gear groove 10, the gear 11 is matched with the gear groove 10, and a driving assembly is arranged on one side of the gear 11 away from the, a first through hole 9 is formed in the inner wall of one side of the movable cavity 8, which is far away from the gear groove 10, fixed tubes 16 are arranged in the first through hole 9, one ends of the two fixed tubes 16 are respectively and fixedly connected with two sides of the first U-shaped fixed frame 3, one ends of the other two fixed tubes 16 are respectively and fixedly connected with two sides of the second U-shaped fixed frame 4, a reset assembly is arranged between the fixed tubes 16 and the gear 11, and a plurality of mounting holes 21 are formed in one sides of the first U-shaped fixed frame 3 and the second U-shaped fixed frame 4;

the driving assembly comprises a second through hole 12 formed in the inner wall of one side of the gear groove 10, a first movable column 13 is arranged in the second through hole 12, a pressing plate 15 is arranged on one side, away from the flexible circuit board 5, of the fixed plate 6, one end of each first movable column 13 is fixedly connected with a limiting plate 14 located in the gear groove 10, and one end of each two adjacent first movable columns 13 is fixedly connected with the pressing plate 15; one side of the limit plate 14 is in contact with one side of the gear 11; the reset assembly comprises a second movable column 18 arranged in the fixed tube 16, one end of the second movable column 18 is fixedly connected with one side of the gear 11, a spring 17 is sleeved outside the fixed tube 16, two sliding grooves 19 are formed in the inner wall of the fixed tube 16, a sliding block 20 is arranged in each sliding groove 19, and one side of each sliding block 20 is fixedly connected with the second movable column 18; one end of each spring 17 is fixedly connected with the gear 11, one end of each spring 17 is fixedly connected with two sides of the second U-shaped fixing frame 4, and one end of each spring 17 is fixedly connected with two sides of the first U-shaped fixing frame 3.

It should be noted that, when the foldable flexible circuit board of the present invention is used, only two pressing plates 15 are required to be pressed to approach each other, the first movable column 13 drives the limiting plate 14 to move, the limiting plate 14 drives the gear 11 to separate from the gear groove 10, so that the gear 11 enters the movable cavity 8, the limitation on the position of the gear 11 is removed, the second movable column 18 moves in the fixed tube 16, the spring 17 is in a compressed state, the first rigid circuit board 1 and the second rigid circuit board 2 are driven to rotate relative to the fixed plate 6, the fixed tube 16 drives the second movable column 18 to rotate through the slider 20, the gear 11 rotates in the movable cavity 8, the angle between the first rigid circuit board 1 and the second rigid circuit board 2 can be adjusted, only the pressing of the pressing plates 15 is required to be released, and the spring 17 drives the gear 11 to be clamped into the gear groove 10, through the cooperation of gear 11 and gear groove 10 for gear 11 is fixed relative to fixed plate 6 position, and then fixed pipe 16 is unable rotatory, thereby makes the angle between first rigid circuit board 1 and the second rigid circuit board 2 fixed, and operating procedure is simple convenient, has improved the convenience.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a foldable flexible line way board, includes the fixed frame (4) of first rigid line way board (1), second rigid line way board (2), the fixed frame (3) of first U type and second U type, first rigid line way board (1) block sets up the inside at the fixed frame (3) of first U type, the inside at the fixed frame (4) of second U type is set up to second rigid line way board (2) block, first rigid line way board (1) and second rigid line way board (2) are connected through flexible line way board (5), its characterized in that: the flexible printed circuit board (5) is provided with fixing plates (6) in bilateral symmetry, the two fixing plates (6) are connected through two connecting plates (7), two movable chambers (8) are arranged in the fixing plates (6), one side inner wall of each movable chamber (8), far away from the flexible printed circuit board (5), is provided with a gear groove (10), gears (11) are arranged in the gear grooves (10), the gears (11) are matched with the gear grooves (10), one side of each gear (11), far away from the movable chamber (8), is provided with a driving assembly, one side inner wall of each movable chamber (8), far away from the gear grooves (10), is provided with a first through hole (9), a fixing pipe (16) is arranged in each first through hole (9), one end of each fixing pipe (16) is fixedly connected with two sides of a first U-shaped fixing frame (3), and one end of each fixing pipe (16) is fixedly connected with two sides of a second U-shaped fixing frame (4), be equipped with reset assembly between fixed pipe (16) and gear (11), a plurality of mounting holes (21) have all been seted up to one side of the fixed frame of first U type (3) and the fixed frame of second U type (4).

2. The folding flexible wiring board of claim 1, wherein: drive assembly is including offering second through-hole (12) in gear groove (10) one side inner wall, be equipped with first activity post (13) in second through-hole (12), one side that flexible line way board (5) were kept away from in fixed plate (6) is equipped with and presses clamp plate (15), the one end of first activity post (13) and limiting plate (14) fixed connection who is located gear groove (10), adjacent two the one end of first activity post (13) and press clamp plate (15) fixed connection.

3. The folding flexible wiring board of claim 2, wherein: one side of the limiting plate (14) is in contact with one side of the gear (11).

4. The folding flexible wiring board of claim 1, wherein: the reset assembly comprises a second movable column (18) arranged in a fixed pipe (16), one end of the second movable column (18) is fixedly connected with one side of a gear (11), a spring (17) is sleeved outside the fixed pipe (16), two sliding grooves (19) are formed in the inner wall of the fixed pipe (16), a sliding block (20) is arranged in each sliding groove (19), and one side of each sliding block (20) is fixedly connected with the second movable column (18).

5. The foldable flexible wiring board of claim 4, wherein: one end of the spring (17) is fixedly connected with the gear (11), wherein the one end of the spring (17) is respectively fixedly connected with the two sides of the second U-shaped fixing frame (4), and the other two ends of the spring (17) are respectively fixedly connected with the two sides of the first U-shaped fixing frame (3).

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