CN210579755U

CN210579755U - Sectional type flexible line way board for cell-phone

Info

Publication number: CN210579755U
Application number: CN201921785443.0U
Authority: CN
Inventors: 周南
Original assignee: Fuzhou Guangxun Chip Technology Co Ltd
Current assignee: Fuzhou Guangxun Chip Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-19
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to the technical field of flexible circuit boards, and discloses a sectional type flexible circuit board for a mobile phone, which solves the problems that when two flexible circuit boards are welded in the using process of a general sectional type flexible circuit board, the two flexible circuit boards do not have a positioning function, are easy to generate deviation, and have poor heat dissipation performance, and comprises two fixed plates, wherein flexible board bodies are arranged between the two fixed plates at equal intervals; the utility model discloses, through the cooperation use of cross recess, reference column, locating hole and bonding piece etc. that set up, can accomplish the location preparation to the flexbile plate joint, the elastic pressing plate of the both sides side of lid can carry out the pressfitting to the flexbile plate body simultaneously, avoids the welding department to take place the phenomenon of splitting; through the cooperation use of the heat conduction silicone grease layer that sets up, waterproof layer and louvre etc. can accelerate giving off of this internal heat of flexbile plate, then give off the external world through the louvre to improve the heat dispersion of flexible line way board.

Description

Sectional type flexible line way board for cell-phone

Technical Field

The utility model belongs to the technical field of the flexible line way board, specifically be a sectional type flexible line way board for cell-phone.

Background

Flexible circuit boards, also known as "flexible boards," are printed circuits made of flexible insulating substrates; flexible circuits provide excellent electrical performance, can meet design requirements for smaller and higher density mounting, and also help reduce assembly processes and enhance reliability; the flexible circuit board is the only solution to meet the requirements of miniaturization and movement of electronic products; the flexible circuit board can be freely bent, wound and folded, can bear millions of dynamic bending without damaging the lead, can be randomly arranged according to the space layout requirement, and needs to be used in a sectional type flexible circuit board in a mobile phone.

However, in the use process of a general sectional type flexible printed circuit board, when two flexible printed circuit boards are welded, the two flexible printed circuit boards do not have a positioning function, deviation is easy to generate, and the heat dissipation performance of the two flexible printed circuit boards is poor.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a sectional type flexible line way board for cell-phone, the effectual general sectional type flexible line way board of having solved is at the in-process that uses, and two flexible line way boards do not have locate function when welding, produce the deviation easily, and the relatively poor problem of heat dispersion of its self.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sectional type flexible line way board for cell-phone, includes two fixed plates, installs the equidistance between two fixed plates and installs the flexbile plate body, and the flexbile plate that links as an organic whole connects, every is all installed at the both ends of every flexbile plate body the mounting groove has been seted up to the impartial distance in inside of fixed plate, and the cross recess has been seted up to mounting groove inside, and one side of mounting groove articulates there is the lid, and the equal fixed mounting in both sides of lid has the reference column, and the center.

Preferably, the flexible board body comprises a substrate, the top end of the substrate is fixedly connected with the bottom end of the copper foil layer, the top end of the copper foil layer is fixedly connected with the bottom end of the heat-conducting silicone grease layer, and the waterproof layer is installed at the top end of the heat-conducting silicone grease layer.

Preferably, the middle parts of the two sides of the cover body are respectively provided with an elastic pressing plate, and the two elastic pressing plates and one flexible plate joint are correspondingly arranged.

Preferably, the flexible board joints are arranged inside the corresponding cross-shaped grooves, and the sizes of the flexible board joints and the cross-shaped grooves are matched.

Preferably, both sides of the flexible plate joint are provided with positioning holes, and the positioning holes are arranged corresponding to the corresponding positioning columns.

Preferably, the outer wall of each cover body is equidistantly provided with heat dissipation holes, and the heat dissipation holes are rectangular.

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

1) during operation, through the matched use of the cross-shaped groove, the positioning column, the positioning hole, the bonding block and the like, when the external flexible plate body needs to be welded, the positioning hole on the flexible plate joint of the external flexible plate is firstly clamped with the corresponding positioning column, then the bonding block is used for bonding, so that the movement of the flexible plate joint is avoided, the positioning preparation of the flexible plate joint is completed, meanwhile, the elastic pressing plates on two sides of the cover body can press the flexible plate body, and the fracture phenomenon at the welding position is avoided;

2) the heat dissipation device comprises a flexible circuit board, a heat conduction silicone grease layer, a waterproof layer, heat dissipation holes and the like, wherein the heat conduction silicone grease layer, the waterproof layer, the heat dissipation holes and the like are arranged in the flexible circuit board.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic structural view of the flexible board body of the present invention;

in the figure: 1. a fixing plate; 2. mounting grooves; 3. a cross-shaped groove; 4. a cover body; 5. a positioning column; 6. bonding blocks; 7. an elastic pressure plate; 8. a flexible board joint; 9. a flexible board body; 10. Positioning holes; 11. heat dissipation holes; 12. a substrate; 13. a copper foil layer; 14. a thermally conductive silicone layer; 15. And a waterproof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Embodiment one, given by fig. 1-3, the utility model discloses a two fixed plates 1, install the equidistance between two fixed plates 1 and install flexbile plate body 9, even flexbile plate joint 8 as an organic whole is all installed at the both ends of every flexbile plate body 9, be convenient for weld with external flexbile plate joint 8, mounting groove 2 has been seted up to the impartial distance in inside of every fixed plate 1, cross recess 3 has been seted up to mounting groove 2 inside, mounting groove 2 one side articulates there is lid 4, the equal fixed mounting in both sides of lid 4 has reference column 5, be convenient for fix a position external flexbile plate joint 8, bonding piece 6 is installed to the center department of lid 4, can fix external flexbile plate joint 8.

In the second embodiment, on the basis of the first embodiment, the flexible board body 9 includes the substrate 12, the top end of the substrate 12 is fixedly connected to the bottom end of the copper foil layer 13, the top end of the copper foil layer 13 is fixedly connected to the bottom end of the heat conductive silicone layer 14, and the waterproof layer 15 is installed on the top end of the heat conductive silicone layer 14, so that the flexible board has good heat conductive and insulating properties.

Third embodiment, on the basis of first embodiment, the middle part of 4 avris of lid all is installed flexible clamp plate 7, and two flexible clamp plates 7 correspond the setting with a flexile plate joint 8, can fix flexile plate joint 8, avoid its junction to take place to rock the phenomenon.

In the fourth embodiment, on the basis of the first embodiment, the flexible board joints 8 are installed inside the corresponding cross-shaped grooves 3, and the sizes of the flexible board joints and the cross-shaped grooves are matched, so that the flexible board joints 8 can be installed conveniently.

Fifth, on the basis of the first embodiment, the two sides of the flexible board joint 8 are provided with positioning holes 10, and the positioning holes 10 are arranged corresponding to the corresponding positioning columns 5, so as to position the flexible board joint 8 conveniently.

Sixth, on the basis of the first embodiment, the heat dissipation holes 11 are equidistantly formed in the outer wall of each cover 4, and the heat dissipation holes 11 are rectangular in shape, so that a good heat dissipation effect can be achieved.

The working principle is as follows: when the welding fixture works, firstly, through the matched use of the cross-shaped groove 3, the positioning column 5, the positioning hole 10, the bonding block 6 and the like, when the external flexible board body 9 needs to be welded, firstly, the positioning hole 10 on the flexible board joint 8 of the external flexible board is clamped with the corresponding positioning column 5, then, the bonding block 6 is used for bonding, the movement of the flexible board joint is avoided, the positioning preparation of the flexible board joint 8 is completed, then, the flexible board joint 8 in the cross-shaped groove 3 is welded, then, the cover body 4 is covered, so that the welding of the flexible board body 9 is completed, meanwhile, the elastic pressing plates 7 on two sides of the cover body 4 can press the flexible board body 9, the fracture phenomenon of the welding position is avoided, through the matched use of the arranged heat conduction silicone layer 14, the waterproof layer 15, the heat dissipation holes 11 and the like, the dissipation of the heat in the flexible board body 9, and then emitted to the outside through the heat radiation holes 11, thereby improving the heat radiation performance of the 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 sectional type flexible line way board for cell-phone, includes two fixed plates (1), its characterized in that: install equidistance between two fixed plates (1) and install flexible board body (9), the both ends of every flexible board body (9) are all installed and are linked flexbile plate joint (8) as an organic whole, every mounting groove (2) have been seted up to the equal equidistance in inside of fixed plate (1), and cross recess (3) have been seted up to mounting groove (2) inside, and mounting groove (2) one side articulates there is lid (4), and the equal fixed mounting in both sides of lid (4) has reference column (5), and the center department of lid (4) installs bonding piece (6).

2. The segmented flexible circuit board of claim 1, wherein: the flexible board body (9) comprises a substrate (12), the top end of the substrate (12) is fixedly connected with the bottom end of a copper foil layer (13), the top end of the copper foil layer (13) is fixedly connected with the bottom end of a heat-conducting silicone grease layer (14), and a waterproof layer (15) is installed on the top end of the heat-conducting silicone grease layer (14).

3. The segmented flexible circuit board of claim 1, wherein: the middle parts of two sides of the cover body (4) are respectively provided with an elastic pressing plate (7), and the two elastic pressing plates (7) are arranged corresponding to one flexible plate joint (8).

4. The segmented flexible circuit board of claim 1, wherein: the flexible plate joint (8) is arranged inside the corresponding cross-shaped groove (3), and the sizes of the flexible plate joint and the cross-shaped groove are matched.

5. The segmented flexible circuit board of claim 1, wherein: positioning holes (10) are formed in the two sides of the flexible plate joint (8), and the positioning holes (10) are arranged corresponding to the corresponding positioning columns (5).

6. The segmented flexible circuit board of claim 1, wherein: radiating holes (11) are formed in the outer wall of each cover body (4) at equal intervals, and the radiating holes (11) are rectangular.