CN209787547U

CN209787547U - Novel connection structure of flexible line way board

Info

Publication number: CN209787547U
Application number: CN201822221257.6U
Authority: CN
Inventors: 肖娜; 桂贤武; 廖金凤; 王秋香
Original assignee: Shenzhen Danyu Electronics Co Ltd
Current assignee: Shenzhen Danyu Electronics Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-12-13
Anticipated expiration: 2028-12-28

Abstract

The utility model relates to a flexible line way board technical field, in particular to novel connection structure of flexible line way board relates to flexible line way board technical field, including the FPC body, the inside of FPC body is equipped with coupling mechanism, connection structure includes through-hole, fixing base, fixed recess, welding block, cardboard, spring holder, expanding spring, clamp splice, recess, the through-hole has been seted up to the upper surface of FPC body, the interior diapire of FPC body and interior roof are all fixed even there is the fixing base, a side that FPC body inner wall was kept away from to the fixing base has seted up fixed recess, the interior diapire fixedly connected with welding block of fixed recess, the interior diapire of FPC body and interior roof are all fixed even there is the fixed block. In this way, this novel connection structure of flexible line way board, the face of weld through setting up the welding piece is the curved surface, has reached the area increase that enables the welding department, increases the area of contact of solder joint when implementing spot welding, has improved the stability of junction.

Description

Novel connection structure of flexible line way board

Technical Field

The utility model relates to a flexible line way board technical field specifically is a novel connection structure of flexible line way board.

background

The flexible circuit board is a unique solution for meeting the requirements of miniaturization and movement of electronic products, can be freely bent, wound and folded, can bear hundreds of thousands of dynamic bending without damaging a lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, thereby achieving the integration of component assembly and lead connection.

In the process of implementing the invention, the inventor of the invention finds that: at present, the flexible line way board can reduce electronic product's volume and weight greatly, be suitable for electronic product to high density, it is miniaturized, the needs of the development of high reliable direction, current flexible line way board, often use occasions such as flip cell-phone, need overturn many times when using, therefore it breaks or splits easily taking place in the department of buckling, or lead to the solder joint pine to take off, influence the normal operating of circuit, current flexible line way board, its connection structure is comparatively simple, owing to walk the line more, middle-section portion is stronger because of the rigidity, it opens circuit to lead to the circuit after buckling many times easily, therefore, it is necessary to design a flexible line way board's novel connection structure.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, the main object of the present invention is to provide a novel connection structure of a flexible printed circuit, which has the advantages of increasing the firmness of solder joints, improving the stability of circuits, and solving the problems of simple structure, easy loosening and loosening of solder joints, and influence on the normal operation of circuits.

In order to solve the technical problems, the embodiment of the utility model provides a novel connection structure of a flexible circuit board, which comprises a FPC body, wherein the FPC body is internally provided with a connection mechanism, the connection mechanism comprises a through hole, a fixed seat, a fixed groove, a welding block, a clamping plate, a spring seat, a telescopic spring, a clamping block and a groove, the upper surface of the FPC body is provided with the through hole, the inner bottom wall and the inner top wall of the FPC body are fixedly connected with the fixed seat, one side of the fixed seat, which is away from the inner wall of the FPC body, is provided with the fixed groove, the inner bottom wall of the fixed groove is fixedly connected with the welding block, the inner bottom wall and the inner top wall of the FPC body are fixedly connected with the fixed block, one side of the fixed block, which is away from the inner wall of the FPC body, is provided with the groove, one end of the telescopic spring, which is far away from the spring seat, is fixedly connected with a clamping block.

The utility model discloses a flexible printed circuit board, including FPC body, bottom fixedly connected with connecting seat, FPC body, upper surface fixedly connected with insulating layer, inoxidizing coating, heat-conducting layer, film and louvre, the bottom fixedly connected with connecting seat of FPC body, the crooked seam has been seted up to the surface of FPC body, the first copper sheet of surface fixedly connected with of FPC body, the inside of connecting seat is equipped with the reinforcement steel sheet, the inside of FPC body is equipped with the connecting wire, the upper surface fixedly connected with conducting layer of connecting wire, the upper surface fixedly connected with insulating layer of conducting layer, the upper surface of insulating layer is equipped with the inoxidizing coating, the one end that the connecting seat was kept away from to the FPC body.

Optionally, the bottom surface of connecting wire is equipped with the heat-conducting layer, the thickness of heat-conducting layer is less than the thickness of connecting wire, through setting up the heat-conducting layer, has reached the heat that sends when the circular telegram that makes the FPC body and has given off fast, has improved work efficiency, improves the security of using the product.

Optionally, the bottom surface of the heat conduction layer is fixedly connected with the bottom sheet, the bottom surface of the bottom sheet is provided with the heat dissipation holes, the protection effect on the heat conduction layer is achieved by arranging the bottom sheet, the safety of the FPC body is improved, the heat dissipated by the heat conduction layer is quickly discharged to the outside by arranging the heat dissipation holes, and the heat dissipation effect is improved.

optionally, the face of weld of welding piece is the curved surface, the interior diapire and the interior roof of FPC body are all fixed even there is the cardboard, and the face of weld through setting up the welding piece is the curved surface, has reached the area increase that enables the splice, increases the area of contact of solder joint when implementing spot welding, has improved the stability of junction, through setting up the cardboard, has reached and to have made at FPC body junction looks junction more firm, places the not hard up of splice, has improved the stability of flexible line way board.

Optionally, the upper surface of FPC body fixedly connected with limiting plate, the limiting plate meets the department with the through-hole, through setting up the limiting plate, has reached the effect that can fixed through-hole, has prevented that the through-hole from breaking, has improved the security of FPC body.

Optionally, the second copper sheet is fixedly connected to the inside of the connecting seat and located at the bending position inside the connecting seat, and the second copper sheet is arranged, so that the circuit board is prevented from being broken or fractured at the bending position easily, the toughness of the FPC body is improved, and the service life of the FPC body is prolonged.

in the embodiment of the invention: 1. this novel connection structure of flexible line way board, through setting up the heat-conducting layer, the heat that sends when the circular telegram of having reached messenger's FPC body is given off fast, the work efficiency is improved, the security of using the product is improved, through setting up the film, the guard action to its heat-conducting layer has been reachd, the security of FPC body has been improved, through setting up the louvre, the heat that has reached to make the heat-conducting layer give off is arranged outside fast, the radiating effect is improved, through setting up the limiting plate, the effect that can fixing hole has been reached, the through-hole has been prevented from breaking, the security of FPC body has been improved.

2. This novel connection structure of flexible line way board, the face of weld through setting up the welding piece is the curved surface, reached and enabled the area increase of splice, increase the area of contact of solder joint when implementing spot welding, the stability of junction has been improved, through setting up the cardboard, it is more firm to have reached to make at FPC body looks junction, place the not hard up of splice, the stability of flexible line way board has been improved, through setting up the second copper sheet, prevented that the circuit board from taking place to break or split in the department of buckling easily, the toughness of FPC body has been improved, FPC body life has been improved.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a cross-sectional view of the FPC body elevation of the present invention;

fig. 2 is a cross-sectional view of a top view of the FPC body of the present invention;

Fig. 3 is a cross-sectional view of a side view of the FPC body of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.

In the figure: the flexible printed circuit board comprises a flexible printed circuit board (FPC) body 1, a connecting mechanism 2, a through hole 201, a fixed seat 202, a fixed groove 203, a welding block 204, a clamping plate 205, a fixed block 206, a spring seat 207, a telescopic spring 208, a clamping block 209, a groove 210, a connecting wire 3, a limiting plate 4, an auxiliary mechanism 5, a first copper sheet 501, a bending seam 502, a connecting seat 503, a reinforcing steel sheet 504, a second copper sheet 505, a conducting layer 506, an insulating layer 507, a protective layer 508, a heat conducting layer 509, a bottom sheet 510, a heat dissipation hole 511 and.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-5, the utility model provides a technical solution: a novel connecting structure of a flexible circuit board comprises an FPC body 1, wherein the inner bottom wall and the inner top wall of the FPC body 1 are fixedly connected with a clamping plate 205, the connecting part of the FPC body 1 can be firmer by arranging the clamping plate 205, the looseness of the welding part is placed, the stability of the flexible circuit board is improved, the upper surface of the FPC body 1 is fixedly connected with a limiting plate 4, the connecting part of the limiting plate 4 and a through hole 201 is connected, the effect of fixing the through hole 201 is achieved by arranging the limiting plate 4, the through hole 201 is prevented from being broken, the safety of the FPC body 1 is improved, a connecting mechanism 2 is arranged inside the FPC body 1, the connecting mechanism 2 comprises the through hole 201, a fixing seat 202, a fixing groove 203, a welding block 204, the clamping plate 205, a spring seat 207, a telescopic spring 208, a clamping block 209 and a groove 210, the upper surface of the FPC body 1 is provided with the through hole 201, the inner bottom wall and, fixing base 202 keeps away from a side of FPC body 1 inner wall and has seted up fixed recess 203, the interior diapire fixedly connected with welding block 204 of fixed recess 203, the faying of welding block 204 is the curved surface, the faying through setting up welding block 204 is the curved surface, the area increase that enables the welding department has been reached, increase the area of contact of solder joint when implementing spot welding, the stability of junction has been improved, FPC body 1's interior diapire and interior roof all fixedly connected with fixed block 206, a side that FPC body 1 inner wall was kept away from to fixed block 206 is seted up flutedly 210, the interior diapire fixedly connected with spring holder 207 of recess 210, one side fixedly connected with expanding spring 208 of diapire in the recess 210 is kept away from to spring holder 207, expanding spring 208 keeps away from the one end fixedly connected with clamp splice 209 of.

An auxiliary mechanism 5 is arranged inside the FPC body 1, the auxiliary mechanism 5 comprises a first copper sheet 501, a bending seam 502, a connecting seat 503, a reinforced steel sheet 504, a conducting layer 506, an insulating layer 507, a protective layer 508, a heat conduction layer 509, a bottom sheet 510 and a heat dissipation hole 511, the bottom end of the FPC body 1 is fixedly connected with the connecting seat 503, the inside of the connecting seat 503 is fixedly connected with a second copper sheet 505, the second copper sheet 505 is positioned at the bending position inside the connecting seat 503, the circuit board is prevented from being easily broken or fractured at the bending position by arranging the second copper sheet 505, the toughness of the FPC body 1 is improved, the service life of the FPC body 1 is prolonged, the bending seam 502 is arranged on the outer surface of the FPC body 1, the first copper sheet 501 is fixedly connected on the outer surface of the FPC body 1, the reinforced steel sheet 504 is arranged inside the connecting seat 503, the connecting wire, the thickness of heat-conducting layer 509 is less than connecting wire 3's thickness, through setting up heat-conducting layer 509, reached and made FPC body 1 the heat that sends when the circular telegram obtain giving off fast, work efficiency is improved, the security of product is used in the improvement, heat-conducting layer 509's bottom surface fixedly connected with film 510, louvre 511 has been seted up to film 510's bottom surface, through setting up film 510, the guard action to its heat-conducting layer 509 has been reached, FPC body 1's security has been improved, through setting up louvre 511, the heat that makes heat-conducting layer 509 give off is arranged outside fast, the radiating effect has been improved, connecting wire 3's last fixed surface is connected with conducting layer 506, the last fixed surface of conducting layer 506 is connected with insulating layer 507, the upper surface of insulating layer 507 is equipped with inoxidizing coating 508, connecting hole.

During the use, at first implement spot welding through welding piece 204, the curved surface part point of welding piece 204 is full, and it is firm to improve the welding, then connect through connect the via hole 6, then clamp splice 209 rebound compression expanding spring 208 in the time of connecting, expanding spring 208 exerts pressure downwards after the connection is accomplished makes the junction more firm, and when FPC body 1 is crooked, crooked seam 502 can reduce the tensile force that the bending brought and place the damage of FPC body 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a novel connection structure of flexible line way board, includes FPC body (1), its characterized in that: the FPC comprises an FPC body (1), wherein a connecting mechanism (2) is arranged inside the FPC body (1), the connecting mechanism (2) comprises a through hole (201), a fixing seat (202), a fixing groove (203), a welding block (204), a clamping plate (205), a spring seat (207), a telescopic spring (208), a clamping block (209) and a groove (210), the through hole (201) is formed in the upper surface of the FPC body (1), the fixing seat (202) is fixedly connected to the inner bottom wall and the inner top wall of the FPC body (1), the fixing groove (203) is formed in one side face, away from the inner wall of the FPC body (1), of the fixing seat (202), the welding block (204) is fixedly connected to the inner bottom wall of the fixing groove (203), the fixing block (206) is fixedly connected to the inner bottom wall and the inner top wall of the FPC body (1), and the groove (210) is formed in, a spring seat (207) is fixedly connected to the inner bottom wall of the groove (210), a telescopic spring (208) is fixedly connected to one surface, far away from the inner bottom wall of the groove (210), of the spring seat (207), and a clamping block (209) is fixedly connected to one end, far away from the spring seat (207), of the telescopic spring (208);

The FPC comprises an FPC body (1), wherein an auxiliary mechanism (5) is arranged inside the FPC body (1), the auxiliary mechanism (5) comprises a first copper sheet (501), a bending seam (502), a connecting seat (503), a reinforcing steel sheet (504), a conductive layer (506), an insulating layer (507), a protective layer (508), a heat conduction layer (509), a bottom sheet (510) and heat dissipation holes (511), the bottom end of the FPC body (1) is fixedly connected with the connecting seat (503), the outer surface of the FPC body (1) is provided with the bending seam (502), the outer surface of the FPC body (1) is fixedly connected with the first copper sheet (501), the reinforcing steel sheet (504) is arranged inside the connecting seat (503), a connecting wire (3) is arranged inside the FPC body (1), the upper surface of the connecting wire (3) is fixedly connected with the conductive layer (506), and the upper surface of the conductive layer, the upper surface of insulating layer (507) is equipped with inoxidizing coating (508), connecting hole (6) have been seted up to FPC body (1) one end of keeping away from connecting seat (503).

2. The novel connection structure of a flexible wiring board according to claim 1, characterized in that: the bottom surface of connecting wire (3) is equipped with heat-conducting layer (509), the thickness of heat-conducting layer (509) is less than the thickness of connecting wire (3).

3. The novel connection structure of a flexible wiring board according to claim 2, characterized in that: the bottom surface of the heat conduction layer (509) is fixedly connected with a bottom sheet (510), and the bottom surface of the bottom sheet (510) is provided with heat dissipation holes (511).

4. The novel connection structure of a flexible wiring board according to claim 1, characterized in that: the welding face of welding piece (204) is the curved surface, the interior diapire and the interior roof of FPC body (1) all fixed connection have cardboard (205).

5. The novel connection structure of a flexible wiring board according to claim 1, characterized in that: the upper surface of FPC body (1) is fixedly connected with limiting plate (4), limiting plate (4) and through-hole (201) department of meeting.

6. the novel connection structure of a flexible wiring board according to claim 1, characterized in that: the inside of the connecting seat (503) is fixedly connected with a second copper sheet (505), and the second copper sheet (505) is positioned at the bent position inside the connecting seat (503).