A structure for improving the crushing of ultra-thin mobile phone lens P1 plastic lens

Abstract

The invention relates to the technical field of mobile phone lenses, and discloses a structure for improving the crushing of an ultra-thin mobile phone lens P1 plastic lens. The structure comprises a lens barrel and a lens group, wherein the lens group comprises a P1 lens, a P2 lens and a P3 lens, wherein the P1 lens and the P2 lens are respectively assembled with the lens barrel through a first supporting portion and a second supporting portion, the P3 lens is arranged at the outermost side of the lens barrel, a spacer is arranged between the P1 lens and the P2 lens, a rubber ring is arranged between the P2 lens and the P3 lens, and both the P1 lens and the P2 lens are interference-fitted with the lens barrel; the notch clearance between the P1 lens and the lens barrel positioning surface is J, the edge fillet of the P1 lens is R, the edge thickness of the P1 lens is BH1, the P1 lens and the lens barrel are supported by H1, the lens barrel chamfer is C1, the outer diameter of the P1 lens is D1, the outer diameter of the P2 lens is D2, the difference between BH1 and H1 is not less than 0.136 and not more than 0.175, the lens barrel chamfer C1 is not more than 38°, and the difference between D2 and D1 is not less than 0.11. Compared with the prior art, the rate of crush defects of the P1 lens after assembly is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of mobile phone lenses, and in particular to a structure for improving the crushing of a plastic lens of an ultra-thin mobile phone lens P1. Background Art

[0002] High-definition mobile phone imaging lens is an external device used to assist mobile phone photography. Generally, high-definition mobile phone imaging lenses are clip structures. The high-definition mobile phone imaging lens is directly installed on the mobile phone lens position by opening the clip, and then fixed in the mobile phone lens position by the clamping force of the clip. The high-definition mobile phone imaging lens is provided with a lens mounting hole. The existence of the lens mounting hole allows the high-definition mobile phone lens to replace lenses with different functions. As the market continues to reduce the TTL of the lens, thinning of lenses has become the mainstream; however, if the thinned lens is improperly designed during the assembly process, there will be more and more abnormal problems of ultra-thin plastic lens assembly crushing; in order to reduce damage and improve performance yield, it has become a top priority to prevent thin lenses from being crushed starting from structural design.

[0003] Therefore, in order to solve the above problems, providing a structure for improving the crushing of the plastic lens of the ultra-thin mobile phone lens P1 is an issue that needs to be urgently addressed by those skilled in the art. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a structure for improving the crushing of the ultra-thin mobile phone lens P1 plastic lens, which effectively solves the above-mentioned problems, optimizes the P1 lens structure, and reduces the crushing defect rate of the P1 lens after assembly.

[0005] The present invention provides the following technical solution: a structure for improving the crushing of the P1 plastic lens of an ultra-thin mobile phone lens, mainly composed of a lens barrel with a receiving space and a lens group received in the receiving space, the lens group at least includes a P1 lens, a P2 lens and a P3 lens, the P1 lens includes a first main body for imaging and a first supporting portion extending outward from the outer periphery of the first main body, the P2 lens includes a second main body for imaging and a second supporting portion extending outward from the outer periphery of the first main body, the P1 lens and the P2 lens are respectively assembled with the lens barrel through the first supporting portion and the second supporting portion, the P3 lens is assembled at the outermost side of the lens barrel, the P 1 lens is directly assembled on the positioning surface of the lens barrel, a spacer is provided between the P1 lens and the P2 lens, a rubber ring is provided between the P2 lens and the P3 lens, and both the P1 lens and the P2 lens are interference fit with the lens barrel; the notch clearance between the positioning surface of the P1 lens and the lens barrel is J, the edge radius of the P1 lens is R, the edge thickness of the P1 lens is BH1, the bearing between the P1 lens and the lens barrel is H1, the chamfer of the lens barrel is C1, the outer diameter of the P1 lens is D1, the outer diameter of the P2 lens is D2, the difference between BH1 and H1 is not less than 0.136 and not more than 0.175, the chamfer C1 of the lens barrel is not more than 38°, and the difference between D2 and D1 is not less than 0.11.

[0006] Preferably, in the above-mentioned structure for improving the crushing damage of the plastic lens of the ultra-thin mobile phone lens P1, the cut clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is not less than 0.136 and not more than 0.175, the barrel chamfer C1 is not more than 38°, and the difference between D2 and D1 is not less than 0.11, the crushing damage of the P1 lens after assembly is greatly reduced.

[0007] Preferably, in the above-mentioned structure for improving the crushing of the plastic lens of the ultra-thin mobile phone lens P1, the cut clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is 0.136, the barrel chamfer C1 is 38°, the difference between D2 and D1 is 0.11, and the P1 lens crushing defect rate is 0.009%.

[0008] Preferably, in the above-mentioned structure for improving the crush damage of the ultra-thin mobile phone lens P1 plastic lens, the cut-out avoidance is that after the P1 lens is assembled with the positioning surface of the lens barrel, the maximum distance between the P1 lens and the positioning surface is 0.015, and H1 is the horizontal length of the interference fit contact surface between the P1 lens and the side wall of the lens barrel.

[0009] It can be seen from the above technical solutions that, compared with the prior art, the present invention optimizes the structure of the previous P1 lens, improves the compression resistance of the lens, greatly reduces the compression defect rate of the P1 lens after assembly, reduces labor costs, and saves raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the present invention;

[0012] Figure 2 A schematic diagram of the present invention is shown.

[0013] In the picture: 1. lens barrel; 2. lens group; 3. P1 lens; 4. P2 lens; 5. P3 lens; 6. spacer; 7. rubber ring. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-2 A structure for improving the crushing of the plastic lens of the ultra-thin mobile phone lens P1, mainly composed of a lens barrel 1 with a receiving space and a lens group 2 received in the receiving space, the lens group 2 at least includes a P1 lens 3, a P2 lens 4 and a P3 lens 5, the P1 lens 3 includes a first main body for imaging and a first supporting portion extending outward from the outer periphery of the first main body, the P2 lens 4 includes a second main body for imaging and a second supporting portion extending outward from the outer periphery of the first main body, the P1 lens 3 and the P2 lens 4 are respectively assembled with the lens barrel 1 through the first supporting portion and the second supporting portion, the P3 lens 5 is assembled at the outermost side of the lens barrel 1, and the P1 lens 3 is directly assembled on the lens barrel 1. On the positioning surface of the lens barrel 1, a spacer ring 6 is provided between the P1 lens 3 and the P2 lens 4, a rubber ring 7 is provided between the P2 lens 4 and the P3 lens 5, and the P1 lens 3 and the P2 lens 4 are both interference fit with the lens barrel 1; the notch clearance of the positioning surface of the P1 lens 3 and the lens barrel 1 is J, the edge radius of the P1 lens 3 is R, the edge thickness of the P1 lens 3 is BH1, the bearing of the P1 lens 3 and the lens barrel 1 is H1, the chamfer of the lens barrel 1 is C1, the outer diameter of the P1 lens 3 is D1, the outer diameter of the P2 lens 4 is D2, the difference between BH1 and H1 is not less than 0.136 and not more than 0.175, the chamfer C1 of the lens barrel 1 is not more than 38°, and the difference between D2 and D1 is not less than 0.11.

[0016] Preferably, in the above-mentioned structure for improving the crushing damage of the plastic lens of the ultra-thin mobile phone lens P1, the cut clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is not less than 0.136 and not more than 0.175, the chamfer C1 of the lens barrel 1 is not more than 38°, and the difference between D2 and D1 is not less than 0.11, the crushing damage of the P1 lens 3 after assembly is greatly reduced.

[0017] Preferably, in the above-mentioned structure for improving the crushing damage of the plastic lens of the ultra-thin mobile phone lens P1, the cut clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is 0.136, the chamfer C1 of the lens barrel 1 is 38°, the difference between D2 and D1 is 0.11, and the crushing defect rate of P1 lens 3 is 0.009%.

[0018] Preferably, in the above-mentioned structure for improving the crush damage of the plastic lens of the ultra-thin mobile phone lens P1, the cut-out avoidance is that after the P1 lens 3 is assembled with the positioning surface of the lens barrel 1, the maximum distance between the P1 lens 3 and the positioning surface is 0.015, and H1 is the horizontal length of the interference fit contact surface between the P1 lens 3 and the side wall of the lens barrel 1.

[0019] According to the above, the present invention is provided with two groups of comparative embodiments:

[0020] (1) When the notch clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is 0.115, the chamfer C1 of the lens barrel 1 is 48°, and the difference between D2 and D1 is 0.1, the P1 lens 3 crushing defect rate is measured to be 3.70%;

[0021] (2) When the notch clearance J is 0.015, the edge radius R is 0.05, the difference between BH1 and H1 is 0.136, the chamfer C1 of the lens barrel 1 is 38°, and the difference between D2 and D1 is 0.11, the P1 lens 3 crushing defect rate is measured to be 0.009%;

[0022] In summary, the P1 lens 3 meets the requirements of notch avoidance J of 0.015, edge radius R of 0.05, the difference between BH1 and H1 (i.e. BH1-H1) of not less than 0.136 and not greater than 0.175, the chamfer C1 of the lens barrel 1 of not greater than 38°, the difference between D2 and D1 (D2-D1) of not less than 0.11, and the crush defect rate of the P1 lens 3 is greatly reduced after assembly, from 3.70% before structural optimization to 0.009% after optimization.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A structure for improving the crushing of the P1 plastic lens of an ultra-thin mobile phone lens, mainly composed of a lens barrel with a receiving space and a lens group received in the receiving space, the lens group at least includes a P1 plastic lens, a P2 lens and a P3 lens, the P1 plastic lens includes a first main body for imaging and a first supporting portion extending outward from the periphery of the first main body, the P2 lens includes a second main body for imaging and a second supporting portion extending outward from the periphery of the second main body, the P1 plastic lens and the P2 lens are respectively assembled with the lens barrel through the first supporting portion and the second supporting portion, the P3 lens is assembled at the outermost side of the lens barrel, and is characterized in that: The P1 plastic lens is directly assembled on the positioning surface of the lens barrel, a spacer is provided between the P1 plastic lens and the P2 lens, a rubber ring is provided between the P2 lens and the P3 lens, and both the P1 plastic lens and the P2 lens are interference fit with the lens barrel; the cut clearance between the P1 plastic lens and the positioning surface of the lens barrel is J=0.015, and the cut clearance J is the maximum distance between the P1 plastic lens and the positioning surface of the lens barrel after the P1 plastic lens is assembled with the positioning surface of the lens barrel; The edge radius of the P1 plastic lens is R=0.

05. The edge thickness of the P1 plastic lens is BH1, and the bearing distance between the P1 plastic lens and the lens barrel is H1, wherein the bearing distance H1 is the horizontal length of the interference fit contact surface between the P1 plastic lens and the side wall of the lens barrel; The chamfer of the lens barrel is C1, the outer diameter of the P1 plastic lens is D1, the outer diameter of the P2 lens is D2, the difference between BH1 and H1 is not less than 0.136 and not greater than 0.175, the chamfer C1 of the lens barrel is not greater than 38°, and the difference between D2 and D1 is not less than 0.11.

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