CN211481598U

CN211481598U - PCB rigid-flex board

Info

Publication number: CN211481598U
Application number: CN201922343334.XU
Authority: CN
Inventors: 雷雨霜
Original assignee: Individual
Current assignee: Hubei Supersonic Electronics Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-11
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a PCB rigid-flex PCB, including first rigidity PCB board, flexible FPC board and second rigidity PCB board, be connected with flexible FPC board through the lamination between first rigidity PCB board and the second rigidity PCB board, first sleeve pipe and second sleeve pipe have been cup jointed with first rigidity PCB board and second rigidity PCB board junction respectively in flexible FPC board both ends, first sleeve pipe is through first fixed plate bolt fastening on first rigidity PCB board, the second sleeve pipe is through second fixed plate bolt fastening on second rigidity PCB board. The utility model discloses in, be provided with between first sleeve pipe and the second sleeve pipe and be connected with the connecting band, the setting of connecting band can carry out the interval with first rigidity PCB board and second rigidity PCB board and prescribe a limit to for at the in-process that uses, when can not adjusting because of first rigidity PCB board and second rigidity PCB board interval, cause flexible FPC board to receive to drag the damage, further improved stability and the life that flexible FPC board used.

Description

PCB rigid-flex board

Technical Field

The utility model relates to a PCB board technical field especially relates to a PCB rigid-flex board.

Background

The birth and development of FPC and PCB have promoted a new product of soft and hard combined board. Therefore, the rigid-flex circuit board is a circuit board with FPC characteristic and PCB characteristic 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. Firstly, drawing the circuit and the appearance of the flexible combined board according to the requirement by an electronic engineer, then sending the flexible combined board to a factory capable of producing the flexible combined board, processing and planning related files by a CAM engineer, then arranging the FPC production line to produce the required FPC and PCB production line to produce the PCB, after the two types of flexible boards and the rigid board are discharged, seamlessly laminating the FPC and the PCB by a laminating machine according to the planning requirement of the electronic engineer, and finally producing the flexible combined board through a series of detail links.

Present PCB soft or hard combined plate connects flexible FPC board between two rigidity PCB boards, and the interval lacks limit structure between two rigidity PCB boards at that time, easily when adjusting because the interval between two rigidity PCB boards, causes flexible FPC board to produce and drags the damage, and secondly flexible FPC board also lacks protective structure with two rigidity PCB board junctions, leads to its stability of connecting lower, so can not satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a PCB rigid-flex board.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a PCB rigid-flex printed circuit board comprises a first rigid PCB, a flexible FPC board and a second rigid PCB;

a flexible FPC board is connected between the first rigid PCB board and the second rigid PCB board through lamination, a first sleeve and a second sleeve are sleeved at the joint of the two ends of the flexible FPC board and the first rigid PCB board and the second rigid PCB board respectively, the first sleeve is fixed on the first rigid PCB board through a first fixing plate bolt, and the second sleeve is fixed on the second rigid PCB board through a second fixing plate bolt;

the top of the first sleeve is provided with a first connecting seat, the top of the second sleeve is provided with a second connecting seat, and a connecting band is connected between the first connecting seat and the second connecting seat.

Preferably, the first sleeve and the second sleeve are both rectangular frame structures with openings at two ends, and a plurality of strip-shaped grooves with equal intervals are formed in the upper surface and the lower surface of the first sleeve and the second sleeve.

Preferably, the upper surfaces of the first sleeve and the second sleeve are provided with glue pouring holes.

Preferably, the length of the connection band is less than that of the flexible FPC board.

Preferably, equal threaded connection has fixing bolt on first fixed plate and the second fixed plate, fixing bolt is provided with eight altogether, and eight fixing bolt divide into two sets ofly, and four symmetric distribution of every group are in four corners of first fixed plate and second fixed plate upper surface.

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

in the utility model, the flexible and rigid PCB board is provided with a first sleeve and a second sleeve at the joints of the two ends of the flexible FPC board and the first rigid PCB board and the second rigid PCB board respectively, the first sleeve and the second sleeve are fixed on the first rigid PCB board and the second rigid PCB board respectively, through the glue filling holes arranged on the first sleeve and the second sleeve, the heat conducting silica gel can be filled in, the two ends of the flexible FPC board are fixedly bonded with the first sleeve and the second sleeve, thereby the joints of the two ends of the flexible FPC board and the first rigid PCB board and the second rigid PCB board can be limited by the arrangement of the first sleeve and the second sleeve, the phenomena of bending exercise and pulling of the two ends of the flexible FPC board and the joints of the first rigid PCB board and the second rigid PCB board respectively are prevented, the stability of the two ends of the flexible FPC board being connected with the first rigid PCB board and the second rigid PCB board respectively is ensured, a connecting belt is arranged between the first sleeve and the second sleeve, the setting of connecting band can carry out the interval with first rigidity PCB board and second rigidity PCB board and prescribe a limit to for in the in-process of using, when can not adjusting because of first rigidity PCB board and second rigidity PCB board interval, cause flexible FPC board to receive to drag the damage, further improved the stability and the life that flexible FPC board used.

Drawings

Fig. 1 is a schematic structural view of a PCB rigid-flex board provided by the present invention;

fig. 2 is a schematic structural diagram of a first sleeve of a PCB rigid-flex board according to the present invention;

fig. 3 is a schematic cross-sectional structure view of a first sleeve of a PCB rigid-flex board according to the present invention.

Illustration of the drawings:

1. a first rigid PCB board; 2. a flexible FPC board; 3. a second rigid PCB board; 4. a first fixing plate; 5. a first sleeve; 6. a first connecting seat; 7. a connecting belt; 8. a second connecting seat; 9. a second sleeve; 10. a second fixing plate; 11. fixing the bolt; 12. a strip-shaped groove; 13. and (6) filling glue holes.

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; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

The first embodiment is as follows: referring to fig. 1-3, a PCB rigid-flex board includes a first rigid PCB 1, a flexible FPC 2, and a second rigid PCB 3;

a flexible FPC board 2 is connected between the first rigid PCB board 1 and the second rigid PCB board 3 through lamination, a first sleeve 5 and a second sleeve 9 are sleeved at the joint of the two ends of the flexible FPC board 2 and the first rigid PCB board 1 and the second rigid PCB board 3 respectively, the first sleeve 5 is fixed on the first rigid PCB board 1 through a first fixing plate 4 by bolts, and the second sleeve 9 is fixed on the second rigid PCB board 3 through a second fixing plate 10 by bolts;

the top of the first sleeve 5 is provided with a first connecting seat 6, the top of the second sleeve 9 is provided with a second connecting seat 8, and a connecting belt 7 is connected between the first connecting seat 6 and the second connecting seat 8.

First sleeve pipe 5 and second sleeve pipe 9 are rectangular frame both ends open type structure, all set up the bar groove 12 that a plurality of interval equals on first sleeve pipe 5 and the 9 upper surface of second sleeve pipe and the lower surface, first sleeve pipe 5 and second sleeve pipe 9 are heat conduction metal material and make, in the use, the heat that 2 work of flexible FPC board produced can give off on first sleeve pipe 5 and the second sleeve pipe 9, then give off in the air, seting up of bar groove 12, a contact area for improving first sleeve pipe 5 and second sleeve pipe 9 utensil air.

Example two: referring to fig. 2 and 3, the upper surfaces of the first sleeve 5 and the second sleeve 9 are provided with glue filling holes 13, and the glue filling holes 13 are used for filling glue into the first sleeve 5 and the second sleeve 9, so that the first sleeve 5 and the second sleeve 9 can be fixedly bonded with the flexible FPC board 2.

Example three: referring to fig. 1, the length of the connecting band 7 is less than the length of the flexible FPC board 2, and the arrangement of the connecting band 7 can limit the distance between the first rigid PCB 1 and the second rigid PCB 3, so that in the using process, the flexible FPC board 2 is not damaged by pulling due to the adjustment of the distance between the first rigid PCB 1 and the second rigid PCB 3, and the use stability and the service life of the flexible FPC board 2 are further improved.

Example four: referring to fig. 1 and 2, the first fixing plate 4 and the second fixing plate 10 are all in threaded connection with fixing bolts 11, the number of the fixing bolts 11 is eight, the eight fixing bolts 11 are divided into two groups, four corners of each group are symmetrically distributed on the upper surfaces of the first fixing plate 4 and the second fixing plate 10, and the fixing bolts 11 are respectively fixed by bolts between the first fixing plate 4 and the second fixing plate 10 and between the first rigid PCB plate 1 and the second rigid PCB plate 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A PCB rigid-flex PCB is characterized by comprising a first rigid PCB (1), a flexible FPC (2) and a second rigid PCB (3);

a flexible FPC board (2) is connected between the first rigid PCB board (1) and the second rigid PCB board (3) through lamination, a first sleeve (5) and a second sleeve (9) are sleeved at the joint of the two ends of the flexible FPC board (2) and the first rigid PCB board (1) and the second rigid PCB board (3) respectively, the first sleeve (5) is fixed on the first rigid PCB board (1) through a first fixing plate (4) by bolts, and the second sleeve (9) is fixed on the second rigid PCB board (3) through a second fixing plate (10) by bolts;

the top of first sleeve pipe (5) is provided with first connecting seat (6), the top of second sleeve pipe (9) is provided with second connecting seat (8), be connected with connecting band (7) between first connecting seat (6) and second connecting seat (8).

2. The PCB rigid-flex board according to claim 1, wherein the first sleeve (5) and the second sleeve (9) are both rectangular frame structures with two open ends, and a plurality of strip-shaped grooves (12) with equal intervals are formed in the upper surface and the lower surface of the first sleeve (5) and the second sleeve (9).

3. The PCB rigid-flex board of claim 1, wherein the upper surfaces of the first sleeve (5) and the second sleeve (9) are provided with glue filling holes (13).

4. A PCB rigid-flex PCB as recited in claim 1, wherein the length of the connecting band (7) is less than the length of the flexible FPC board (2).

5. The PCB rigid-flexible printed circuit board according to claim 1, wherein the first fixing plate (4) and the second fixing plate (10) are both screwed with eight fixing bolts (11), and the eight fixing bolts (11) are divided into two groups, and each group of four fixing bolts is symmetrically distributed at four corners of the upper surfaces of the first fixing plate (4) and the second fixing plate (10).