Hollowed-out camera module

Abstract

The utility model relates to the field of camera modules, and particularly discloses a hollow camera module, which comprises a circuit board and a base, the bottom of the base is provided with a hollow groove with a downward opening, the hollow groove transversely penetrates through the side wall of the base, and the width of the outer wall of the base is equal to that of the circuit board. The hollow camera module provided by the utility model can further reduce the width.

Description

Technical Field

[0001] The utility model relates to the field of camera modules, in particular to a hollow camera module. Background Art

[0002] The camera module is a core component in current mobile phones. Its structure is mainly as shown in a mobile phone camera module disclosed in the patent application number CN202323560986.1, which includes a circuit board, a base, a voice coil motor and a lens. The circuit board is provided with a connection area; the base is provided on the connection area; the voice coil motor is installed on the base, and a mounting hole is provided on the voice coil motor; the lens is installed on the voice coil motor, and multiple glue dispensing steps are provided in the edge area of ​​the lens, and an anti-glue overflow structure is provided on the glue dispensing steps.

[0003] However, current requirements for mobile phone thickness are increasing, and this thickness is often closely related to the camera module's height, width, and other dimensions. During camera module manufacturing, the previous step before base installation involves soldering gold wires. Currently, these wires must be placed inside the base, requiring the base to be designed with a relatively large width to ensure that, after installation, the base's sidewalls lie outside the wires without pressing on them. Therefore, the base's minimum width is still limited by the wires and cannot be further reduced. Utility Model Content

[0004] The utility model aims to provide a hollow camera module to further reduce the width of the camera module.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: a hollow camera module, including a circuit board and a base, the bottom of the base is provided with a hollow groove with an opening facing downward, the hollow groove passes horizontally through the side wall of the base, and the width of the outer wall of the base is equal to the width of the circuit board.

[0006] The beneficial effects of this program are:

[0007] The position of the hollow groove in this solution is determined by the position of the gold wire. After the base is installed, the hollow groove is directly opposite the gold wire. In this solution, due to the provision of the hollow groove, the side walls of the base will not press on the gold wire after the base is installed. Therefore, when designing the width of the base, there is no need to place the side walls of the base outside the gold wire. The width of the base can be further reduced so that the side walls of the base are opposite the gold wire.

[0008] Since the width of the base is further reduced, reducing the width of the circuit board can also ensure that the circuit board provides sufficient installation space for the base in this solution, making the width of the entire camera module smaller.

[0009] Furthermore, the side walls of the base on both sides of the hollow groove form supporting legs, and the sides of the supporting legs facing the hollow groove are arc-shaped surfaces.

[0010] The benefits of this solution are as follows: the curved surface design facilitates stress release during heat treatment, preventing cracks, reducing deformation, and addressing stress concentration. Furthermore, the curved surface eliminates burrs near the base near the hollow slot, preventing injuries to the operator during installation.

[0011] Furthermore, two hollow grooves are provided, and the two hollow grooves are located on two opposite side walls of the base.

[0012] The beneficial effect of this solution is that the two hollow grooves can prevent the side walls on both sides of the base from pressing on the gold wire, so the side walls on both sides of the base can be set at a position facing the gold wire, thereby reducing the width of the base from both sides. Compared with reducing it from one side, the width of the base in this solution is smaller.

[0013] Furthermore, the thickness of the side wall where one of the hollow grooves is located is greater than the thickness of the side wall where the other hollow groove is located.

[0014] This solution has the following beneficial effects: the two sidewalls containing the hollowed-out grooves have different thicknesses. When placing the gold wire, the wire is placed closer to the thinner sidewall. This creates a larger gap between the sidewall and the wire, preventing the sidewall from pressing on the wire and causing adverse consequences. Compared to reducing the thickness of both sidewalls simultaneously, this solution maintains a relatively thicker sidewall, ensuring greater base strength.

[0015] Furthermore, a accommodating groove with an opening facing downward is provided in the base, and the depth of the accommodating groove is greater than the height of the hollow groove.

[0016] The beneficial effect of this solution is that: in this solution, the thickness of the upper part of the side wall provided with the hollow groove is relatively large, and still can maintain good strength.

[0017] Furthermore, an avoidance groove is vertically provided at the top corner of the accommodating groove, the cross section of the avoidance groove is arc-shaped, the avoidance groove smoothly transitions to one of the adjacent vertical side walls, and the horizontal projection of the avoidance groove is located on the inner side of the other adjacent vertical side wall.

[0018] The beneficial effect of this solution is that after the lens is installed, the design of the avoidance groove forms a gap between the lens and the side wall of the accommodating groove, making it easier to clamp the lens.

[0019] Furthermore, a rubber block is provided in the hollow groove, and the rubber block is fixed to the base and the circuit board at the same time.

[0020] This solution has the following beneficial effects: After the base is mounted on the circuit board, the glue block is formed by solidifying the glue squeezed into the hollow groove. This glue secures the base to the circuit board, preventing it from falling off. It also seals the hollow groove, preventing dust from entering the base and damaging the internal electronic components. Unlike the base, the glue block formed by solidified glue will not adversely affect the gold wires even if it comes into contact with them, thus not affecting the operation of the camera module. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a perspective view of Example 1 of the present utility model;

[0022] Figure 2 for Figure 1 A perspective view of the middle base;

[0023] Figure 3 for Figure 2 Bottom view of the middle base;

[0024] Figure 4 for Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0025] The following is further described in detail through specific implementation methods:

[0026] The reference numerals in the drawings of the specification include: circuit board 1 , base 2 , hollow groove 21 , accommodating groove 3 , and avoidance groove 31 .

[0027] Example

[0028] The embodiment is basically as follows Figure 1 and Figure 2 As shown, a hollow camera module includes a circuit board 1 and a base 2. The width of the base 2 is equal to the width of the circuit board 1. The base 2 is provided with a receiving groove 3 with an opening facing downwards. Please refer to Figure 3 As shown, the thickness of the front side wall of the receiving groove 3 is greater than the thickness of the rear side wall. Figure 1 and Figure 2 As shown, the front and rear side walls of the accommodating groove 3 are both provided with a hollow groove 21 with an opening facing downward. The hollow groove 21 horizontally passes through the side wall of the base 2, and the height of the top of the accommodating groove 3 is greater than the height of the top of the hollow groove 21.

[0029] The left and right side walls of the front hollow groove 21 and the front side walls of the base 2 are rounded to form arc-shaped surfaces, so that the left and right sides of the hollow groove 21 form supporting legs. A rubber block is provided in the hollow groove 21. After the base 2 contacts the circuit board 1, the rubber block in this embodiment squeezes glue into the hollow groove 21 and solidifies to form. Specifically, the glue in this embodiment adopts the existing glue used for dispensing camera modules. The rubber block fixes the base 2 to the circuit board 1, fixing the base 2. At the same time, the rubber block also seals the hollow groove 21 to prevent external dust and the like from entering the base 2.

[0030] Please refer to Figure 3 , the four top corners of the accommodating groove 3 are all provided with an avoidance groove 31, the avoidance groove 31 extends along the height direction of the accommodating groove 3, and the cross section of the avoidance groove 31 is an arc. Take the avoidance groove 31 on the upper right side of the accommodating groove 3 as an example, Figure 4 The upper part of the avoidance groove 31 smoothly transitions to the upper side wall of the accommodating groove 3, and the projection of the lower part along the right side wall of the accommodating groove 3 is located on the inner side of the right side wall, that is, the lower part of the avoidance groove 31 is recessed into the right side wall of the accommodating groove 3, so that when the lens is installed, the recessed position is convenient for clamping the lens.

[0031] In the camera module in this embodiment, the design of the hollow groove 21 prevents the side wall of the base 2 from pressing on the gold wire, so the width of the base 2 can be reduced so that the side wall of the base 2 is located directly above the gold wire. When the width of the base 2 is reduced, the required installation width is reduced, so the width of the circuit board 1 can also be reduced synchronously. Apart from this, the other structures of the camera module in this embodiment are the same as those in the prior art and will not be repeated in this embodiment.

[0032] The above description is merely an embodiment of the present invention, and the commonly known specific technical solutions and / or features of the solution are not described in detail here. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be considered as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed in this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A hollow camera module, comprising a circuit board and a base, characterized in that: The bottom of the base is provided with a hollow groove with an opening facing downwards. The hollow groove runs through the side wall of the base horizontally. The width of the outer wall of the base is equal to the width of the circuit board.

2. The hollow camera module according to claim 1, characterized in that: The side walls of the base on both sides of the hollow groove form supporting legs, and the sides of the supporting legs facing the hollow groove are arc-shaped surfaces.

3. The hollow camera module according to claim 1, characterized in that: There are two hollow grooves, and the two hollow grooves are located on two opposite side walls of the base.

4. The hollow camera module according to claim 3, characterized in that: The thickness of the side wall where one of the hollow grooves is located is greater than the thickness of the side wall where the other hollow groove is located.

5. The hollow camera module according to any one of claims 1 to 4, characterized in that: A accommodating groove with an opening facing downward is provided in the base, and the depth of the accommodating groove is greater than the height of the hollow groove.

6. The hollow camera module according to claim 5, characterized in that: An avoidance groove is vertically provided at the top corner of the accommodating groove. The cross section of the avoidance groove is arc-shaped. The avoidance groove smoothly transitions with one of the adjacent vertical side walls. The horizontal projection of the avoidance groove is located on the inner side of the other adjacent vertical side wall.

7. The hollow camera module according to claim 6, characterized in that: A rubber block is provided in the hollow groove, and the rubber block is fixed to the base and the circuit board at the same time.

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