CN216252963U

CN216252963U - Flexible-rigid combined board for camera module of smart phone

Info

Publication number: CN216252963U
Application number: CN202122843445.4U
Authority: CN
Inventors: 明万均
Original assignee: Shenzhen Aite Hongfa Electronics Co ltd
Current assignee: Shenzhen Aite Hongfa Electronics Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-08
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a flexible-rigid combined board for a camera module of a smart phone, which comprises a hard board assembly and a flexible board, wherein the hard board assembly comprises a hard board A and a hard board B, square grooves are formed in opposite surfaces of the hard board A and the hard board B, grooves are formed in inner walls of the square grooves, the flexible board is inserted into the two groups of square grooves, protruding blocks are fixedly connected to the upper side surface and the lower side surface of the flexible board, and circuit layers are distributed on the upper side of the flexible board. Through placing the flexonics board at first in hardboard B's upside, then place hardboard A in the upside, through heat conduction silica gel and sealed glue carry out bonding fastening after, and then can make hardboard A and hardboard B have anti cracked characteristic with the combination department of flexonics board, increase its life, through setting up fillet, protective layer, heat-resistant layer and enhancement layer, thereby can protect it at the in-process of bending to the flexonics board, avoid breaking when the installation camera module.

Description

Flexible-rigid combined board for camera module of smart phone

Technical Field

The utility model relates to the field of mobile phone camera modules, in particular to a flexible-rigid combined board of a smart phone camera module.

Background

The birth and development of the FPC and the PCB urge a new product of a rigid-flex board, so that the rigid-flex board is a circuit board with FPC and PCB characteristics formed by combining a flexible circuit board and a rigid circuit board through processes such as pressing and the like according to related process requirements;

however, after the existing soft and hard combination board is provided with the smart phone camera module, bending needs to be performed, and the soft and hard combination part is prone to fracture or cracking during bending.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the soft and hard combination board of the camera module of the smart phone, through the matching between the groove and the bump, the friction force and the adhesion characteristic can be increased through the adhesion of the sealant, so that the connection between the hard board A and the hard board B and the flexible board is tighter, and the possibility of fracture during bending is reduced.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a smart mobile phone camera module rigid-flex board, includes hardboard subassembly and flexonics board, the hardboard subassembly includes hardboard A and hardboard B, hardboard A, the square groove has all been seted up with hardboard B's opposite face to hardboard A, the inner wall in square groove has all been seted up flutedly, the flexonics board is inserted and is established the inside in two sets of square grooves, the equal fixedly connected with lug of the upper and lower both sides face of flexonics board, the circuit layer has been arranged to the upside of flexonics board.

As a preferable technical scheme of the utility model, the hard board A and the hard board B are bonded and fastened through heat-conducting silica gel.

As a preferred technical scheme of the utility model, the lugs are distributed in a linear equidistant manner, and the lugs are in one-to-one correspondence with the grooves.

As a preferable technical scheme of the utility model, the contact surfaces of the flexible plate and the square groove and the contact surfaces of the bump and the groove are bonded and fastened through sealant.

In a preferred embodiment of the present invention, the bending contact position between the hard plate a and the hard plate B and the flexible plate is provided with a rounded corner.

As a preferable technical solution of the present invention, a protective layer is provided inside the flexible board, a heat-resistant layer is provided below the protective layer, and a reinforcing layer is provided below the heat-resistant layer.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the flexible board is firstly placed on the upper side of the hard board B, then the hard board A is placed on the upper side, and after the hard board A and the hard board B are bonded and fastened through the heat-conducting silica gel and the sealant, the joint of the hard board A, the hard board B and the flexible board can have the characteristic of fracture resistance, and the service life of the flexible board is prolonged;

2. through setting up fillet, protective layer, heat-resistant layer and enhancement layer to can protect it at the in-process of bending to the flexonics board, avoid breaking occur when the installation camera module.

Drawings

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

FIG. 2 is a diagram of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic diagram of a partial hierarchy according to the present invention.

Wherein: 1. a hard board assembly; 101. a hard board A; 102. a hard board B; 103. a groove; 2. a flexible board; 201. a bump; 202. a protective layer; 203. a heat-resistant layer; 204. a reinforcing layer; 3. and a circuit layer.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the utility model provides a smart phone camera module rigid-flex board, which comprises a hard board assembly 1 and a flexible board 2, wherein the hard board assembly 1 comprises a hard board a101 and a hard board B102, the hard board a101, opposite surfaces of the hard board a101 and the hard board B102 are both provided with square grooves, inner walls of the square grooves are both provided with grooves 103, the flexible board 2 is inserted into the two groups of square grooves, upper and lower side surfaces of the flexible board 2 are both fixedly connected with bumps 201, and a circuit layer 3 is arranged on the upper side of the flexible board 2.

Through the matching between the groove 103 and the bump 201, the friction force and the adhesive property can be further increased through the adhesion of the sealant, so that the connection of the joints of the hard board A101 and the hard board B102 and the flexible board 2 is tighter, and the possibility of fracture during bending is reduced.

In other embodiments, the hard board a101 and the hard board B102 are bonded and fastened by a heat conductive silica gel, and the high heat silica gel has excellent moisture resistance, shock resistance, corona resistance, electric leakage resistance and chemical medium resistance, and functions as a heat transfer medium.

In other embodiments, the protrusions 201 are linearly and equidistantly distributed, and the protrusions 201 correspond to the grooves 103 one by one, so that the protrusions 201 and the grooves 103 can be correspondingly attached, the friction resistance is increased, and the fracture resistance of the joint of the hard board a101 and the hard board B102 and the flexible board 2 is increased.

In other embodiments, the flexible board 2 is bonded and fastened with the contact surface of the square groove and the contact surfaces of the bump 201 and the groove 103 through sealant, so that the hard board a101, the hard board B102 and the flexible board 2 can be connected more tightly, the sealant can be selected to isolate the external influence on the joint, and the possibility of fracture or cracking is reduced.

In other embodiments, the bending contact positions of the hard board a101, the hard board B102 and the flexible board 2 are provided with round corners, so that the flexible board 2 can be protected during bending, and the possibility of damage is reduced.

In other embodiments, the protective layer 202 is disposed inside the flexible board 2, the heat-resistant layer 203 is disposed on the lower side of the protective layer 202, and the reinforcing layer 204 is disposed on the lower side of the heat-resistant layer 203, so that the flexible board 2 can be further protected, the possibility of damage is reduced, and the service life is prolonged.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a smart mobile phone camera module rigid-flex board, includes hardboard subassembly (1) and flexonics board (2), its characterized in that: hardboard subassembly (1) includes hardboard A (101) and hardboard B (102), hardboard A (101), the square groove has all been seted up with the opposite face of hardboard B (102) hardboard A (101), the inner wall in square groove has all been seted up flutedly (103), flexonics board (2) are inserted and are established the inside in two sets of square grooves, the equal fixedly connected with lug (201) of the upper and lower both sides face of flexonics board (2), circuit layer (3) have been arranged to the upside of flexonics board (2).

2. The smart phone camera module rigid-flex board of claim 1, characterized in that: the hard board A (101) and the hard board B (102) are bonded and fastened through heat-conducting silica gel.

3. The smart phone camera module rigid-flex board of claim 1, characterized in that: the lugs (201) are distributed in a linear equidistant mode, and the lugs (201) correspond to the grooves (103) one by one.

4. The smart phone camera module rigid-flex board of claim 1, characterized in that: the contact surfaces of the flexible plate (2) and the square groove and the contact surfaces of the bump (201) and the groove (103) are bonded and fastened through sealant.

5. The smart phone camera module rigid-flex board of claim 1, characterized in that: and the bending contact positions of the hard board A (101), the hard board B (102) and the flexible board (2) are provided with round corners.

6. The smart phone camera module rigid-flex board of claim 1, characterized in that: a protective layer (202) is arranged inside the flexible board (2), a heat-resistant layer (203) is arranged on the lower side of the protective layer (202), and a reinforcing layer (204) is arranged on the lower side of the heat-resistant layer (203).