Dustproof cover structure for lens

Abstract

The present invention relates to a dustproof cover structure for a lens, which comprises: a dustproof base, which is provided with a central hole and comprises a first surface and a second surface; an inner connecting rod, which is rotatably arranged on the first surface of the dustproof base and is provided with a positioning column which extends from the first surface to the outside of the second surface of the dustproof base and can rotate along with the inner connecting rod; an outer connecting rod, which is rotatably sleeved outside the inner connecting rod and is provided with a blade closing action source; a blade, which is rotatably connected with the second surface of the dustproof base and is connected with the positioning column of the inner connecting rod; and a blade closing elastic component, which is connected between the inner connecting rod and the outer connecting rod and is used for driving the inner connecting rod to rotate in the rotating process of the outer connecting rod so as to close the blade. The dustproof cover structure is provided with the two connecting rods, the inner connecting rods is directly connected to two pieces of blades, and the two pieces of the blades are driven and closed by the same blade closing spring, thus the problem that the blades cannot be completely closed due to different blade closing forces in the prior art is overcome.

Description

technical field [0001] The invention relates to a lens assembly, more specifically, to a lens dustproof cover structure. Background technique [0002] At present, many image capture devices, such as mobile phone lenses, small cameras, and thin cameras, are equipped with a built-in dust cover (barrier) structure. When the camera lens is stored, the two blades of the dust cover structure are closed, thereby Cover the lens to prevent dust from falling. [0003] Such as Figure 1-4 As shown, the existing dustproof cover structure usually includes an annular dustproof base 1 with a central hole 2 for allowing light to pass through and enter the lens. The dustproof base 1 includes a first surface 3 and a second surface 4 . On the first surface 3 of the dustproof base 1 , there is provided a concentric annular connecting rod 5 , and two arc-shaped holes 6 penetrating from the first surface 3 to the second surface 4 and opposite to each other. On the ring-shaped connecting rod 5 ...

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a lens dust cover structure that can overcome the closing force of the blades in view of the defect that the closing force of the two blades may be different in the prior art structure, resulting in incomplete closure. different questions

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