Bending-resistant mobile phone flexible circuit board

Abstract

The utility model relates to the technical field of mobile phone circuit boards, in particular to a bending-resistant mobile phone flexible circuit board, which comprises a circuit board and bolt grooves, the upper end of a base in the circuit board is adhered to the lower end of a flexible board, the lower end of the base is adhered to the upper end of a bending-resistant layer, and the four sides of the circuit board are hollow to form the bolt grooves. According to the utility model, the base can have certain toughness through the flexible plate, so that the base can be bent, the base can have certain folding resistance through the folding-resistant layer, so that the circuit board can resist pressure in the bending process, and the circuit board can gradually return to the original position through the flexible recovery layer after being bent. And the circuit board is not easy to crack after being bent through the folding-crack-resistant layer.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone circuit boards, in particular to a mobile phone flexible circuit board that is resistant to bending. Background Art

[0002] Mobile phone, whose full name is mobile phone or wireless phone, is usually called mobile phone. It was originally just a communication tool. In the early days, it was also commonly known as "big brother". It is a portable telephone terminal that can be used in a wide range. It was first developed from the battlefield mobile phone manufactured by Bell Laboratories in the United States in 1940. In 1958, Soviet engineer Leonid Kupriyanovich invented the ЛК-1 mobile phone. In 1973, American Motorola engineer Martin Cooper invented the world's first commercial mobile phone.

[0003] However, some existing mobile phone circuit boards are multi-layer film structures, which can easily cause the circuits inside the circuit board to be misaligned during the bending process, causing the circuits in the multi-layer film to leak out, resulting in the circuit losing protection and causing the circuits to short-circuit during operation, causing economic losses.

[0004] Therefore, in order to solve the above problems, a mobile phone flexible circuit board with good bending resistance is proposed. Utility Model Content

[0005] The utility model aims to provide a flexible circuit board for mobile phones that is resistant to bending, so as to solve the problem in the prior art mentioned in the background art that the circuits inside the multi-layer film leak out, causing the circuits to lose protection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending-resistant mobile phone flexible circuit board, comprising: a circuit board and a bolt slot, the upper end of the base in the circuit board is bonded to the lower end of the flexible board, the lower end of the base is bonded to the upper end of the folding-resistant layer, and the four sides of the circuit board are hollow to form bolt slots.

[0007] Preferably, the lower end of the flexible board in the circuit board is bonded to the upper end of the base, and the lower end of the base is bonded to the upper end of the folding-resistant layer.

[0008] Preferably, the lower end of the folding-resistant layer is bonded to the upper end of the circuit connection layer, and the lower end of the circuit connection layer is bonded to the upper end of the flexible recovery layer.

[0009] Preferably, the lower end of the flexible recovery layer is bonded to the upper end of the folding and cracking resistant layer, and the lower end of the folding and cracking resistant layer is bonded to the upper end of the base.

[0010] Preferably, the first insertion hole in the bolt groove formed by hollowing out the four sides of the circuit board is hollowed out at the triangle of the circuit board.

[0011] Preferably, one side of the circuit board is hollowed out to form a second plug hole, and the interior of the upper end of the circuit board is hollowed out to form a camera hole.

[0012] Preferably, a circular hole is hollowed out on one side of the center of the upper end of the circuit board to form a third plug hole, and a side edge of the third plug hole is hollowed out to form a groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model can make the base have a certain toughness through the flexible board so that the base can be bent, the folding-resistant layer can make the base have a certain folding resistance so that the circuit board can be more resistant to pressure during the bending process, the flexible recovery layer can make the circuit board gradually return to its original position after bending, and the folding and cracking-resistant layer can prevent the circuit board from cracking easily after bending.

[0014] 1. The utility model is provided with a flexible board, a base, a folding-resistant layer, a circuit connection layer, a flexible recovery layer, a folding-resistant layer and a base. The flexible board can make the circuit board have a certain flexibility, the folding-resistant layer can make the circuit board have a certain bending resistance effect, the flexible recovery layer can make the circuit board recover to its original position after being bent, and the folding-resistant layer can prevent the circuit board from being easily broken when being bent.

[0015] 2. The utility model is provided with a first jack, a second jack, a camera hole, a third jack and a groove. The circuit board can be installed inside the mobile phone through the first jack, the second jack and the third jack, and the camera can be installed in the middle of the circuit board through the camera hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic side cross-sectional view of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 This is a schematic front view of the structure of the fracture-resistant layer of the utility model;

[0019] Figure 4 It is a schematic front view of the structure of the flexible board of the utility model.

[0020] In the figure: 1. Circuit board; 101. Flexible board; 102. Base; 103. Folding-resistant layer; 104. Circuit connection layer; 105. Flexible recovery layer; 106. Folding-resistant layer; 107. Base; 2. Bolt slot; 201. First socket; 202. Second socket; 203. Camera hole; 204. Third socket; 205. Groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , an embodiment provided by the utility model:

[0023] A bending-resistant mobile phone flexible circuit board comprises: a circuit board 1 and a bolt slot 2, wherein the upper end of a base 102 in the circuit board 1 is bonded to the lower end of a flexible board 101, the lower end of the base 102 is bonded to the upper end of a folding-resistant layer 103, and the four sides of the circuit board 1 are hollow to form the bolt slot 2.

[0024] Furthermore, the lower end of the flexible board 101 in the circuit board 1 is bonded to the upper end of the base 102, and the lower end of the base 102 is bonded to the upper end of the folding-resistant layer 103. The bonding of the lower end of the flexible board 101 and the base 102 is used to make the base 102 have a certain toughness during the bending process so that the circuit board 1 is not easy to break.

[0025] Furthermore, the lower end of the folding-resistant layer 103 is bonded to the upper end of the circuit connection layer 104, and the lower end of the circuit connection layer 104 is bonded to the upper end of the flexible recovery layer 105. The folding-resistant layer 103 enables the circuit board 1 to have a certain folding resistance so that the circuit board 1 is more resistant to pressure during the bending process.

[0026] Furthermore, the lower end of the flexible recovery layer 105 is bonded to the upper end of the anti-breaking layer 106 , and the lower end of the anti-breaking layer 106 is bonded to the upper end of the base 107 . The flexible recovery layer 105 is used to enable the circuit board 1 to recover to its original position after being bent.

[0027] Furthermore, the first plug hole 201 in the bolt groove 2 formed by the four hollow sides of the circuit board 1 is hollow at the triangle of the circuit board 1. The first plug hole 201 is hollow at the triangle of the circuit board 1 so that the circuit board 1 can be installed inside the mobile phone.

[0028] Furthermore, one side of the circuit board 1 is hollowed out to form a second jack 202, and the upper end of the circuit board 1 is hollowed out to form a camera hole 203. The second jack 202 is used to enable the circuit board 1 to be inserted into the mobile phone housing, and the camera hole 203 is used to place the camera.

[0029] Furthermore, a circular hole is hollowed out on one side of the center of the upper end of the circuit board 1 to form a third socket 204, and a side of the third socket 204 is hollowed out to form a groove 205. The third socket 204 is used to connect to the mobile phone housing so that the circuit board 1 can be installed inside the mobile phone housing.

[0030] Working principle: When in use, first align the circuit board 1 with the holes inside the mobile phone shell, and insert the first hole 201, the second hole 202 and the third hole 204 on the four sides of the circuit board 1 into the mobile phone shell and fix them with bolts so that the circuit board 1 will not fall off from the inside of the mobile phone shell. Place the camera inside the camera hole 203 and weld the camera to the four sides of the camera hole 203. After the upper end of the circuit board 1 is welded to form the electronic parts that need to be installed, cover the circuit board 1 with the other half of the mobile phone shell and connect them with bolts to complete the assembly of the mobile phone.

[0031] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A mobile phone flexible circuit board that is resistant to bending, comprising: A circuit board (1) and a bolt slot (2), characterized in that the upper end of a base (102) in the circuit board (1) is bonded to the lower end of a flexible board (101), the lower end of the base (102) is bonded to the upper end of a folding-resistant layer (103), and the four sides of the circuit board (1) are hollow to form a bolt slot (2).

2. The bending-resistant mobile phone flexible circuit board according to claim 1, characterized in that: The lower end of the flexible board (101) in the circuit board (1) is bonded to the upper end of the base (102), and the lower end of the base (102) is bonded to the upper end of the folding-resistant layer (103).

3. The bending-resistant mobile phone flexible circuit board according to claim 2, characterized in that: The lower end of the folding-resistant layer (103) is bonded to the upper end of the circuit connection layer (104), and the lower end of the circuit connection layer (104) is bonded to the upper end of the flexible recovery layer (105).

4. The bending-resistant mobile phone flexible circuit board according to claim 3, characterized in that: The lower end of the flexible recovery layer (105) is bonded to the upper end of the folding and cracking resistant layer (106), and the lower end of the folding and cracking resistant layer (106) is bonded to the upper end of the base (107).

5. The bending-resistant mobile phone flexible circuit board according to claim 1, characterized in that: The first insertion hole (201) in the bolt groove (2) formed by hollowing out the four sides of the circuit board (1) is hollowed out at a triangle of the circuit board (1).

6. The bending-resistant mobile phone flexible circuit board according to claim 5, characterized in that: One side of the circuit board (1) is hollowed out to form a second plug hole (202), and the interior of the upper end of the circuit board (1) is hollowed out to form a camera hole (203).

7. The bending-resistant mobile phone flexible circuit board according to claim 6, characterized in that: A circular hole on one side of the center of the upper end of the circuit board (1) is hollowed out to form a third plug hole (204), and a side edge of the third plug hole (204) is hollowed out to form a groove (205).

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