Novel waterproof lens

Abstract

The utility model relates to the technical field of waterproof lenses, in particular to a novel waterproof lens, which comprises a lens cone and a lens assembly arranged in the lens cone. One end of the lens cone is provided with a spacing ring. A threaded pressing ring is fixed at the other end of the lens cone; the threaded pressing ring tightly presses the lens assembly on the limiting ring; a first gap is formed between the bottom of the lens assembly and the limiting ring; a second gap is formed between the inner side wall of the threaded pressing ring and the top of the lens assembly; the first gap and the second gap are filled with sealing glue. When the sealing structure is used, the thread pressing ring and the lens barrel can be bonded together by the sealing glue to achieve an anti-loosening effect, so that the connection of the lens barrel, the thread pressing ring and the lens assembly is more stable, the anti-loosening effect is achieved, the sealing effect does not need to be judged according to the extrusion degree, and the sealing effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof lens technical field, especially a novel waterproof lens. BACKGROUND

[0002] Ordinary lens is easily affected by water. Water can drop on the lens surface, causing light refraction and scattering, which seriously affects the imaging quality, and makes the photographed picture appear fuzzy, light spot and other problems. Moreover, once water enters the lens interior, it can also damage the optical elements, electronic elements and mechanical structure of the lens, shorten the service life of the lens, and increase the maintenance cost.

[0003] The waterproof lens is sealed by a sealing member to the gap between the lens and the lens barrel. The existing waterproof lens sealing ring is sealed by extruding the sealing ring structure profile through the compression ring. In order to achieve a certain waterproof effect, the extrusion degree needs to meet the requirements. However, the extrusion degree is difficult to judge, so the waterproof effect of the waterproof lens cannot be guaranteed. UTILITY MODEL CONTENT

[0004] The utility model aims at the defects and deficiencies of the prior art, and provides a novel waterproof lens.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] The novel waterproof lens comprises a lens barrel and a lens assembly arranged in the lens barrel.

[0007] One end of the lens barrel is provided with a limiting ring, and the other end of the lens barrel is fixed with a threaded compression ring.

[0008] A first gap is arranged between the bottom of the lens assembly and the limiting ring, and a second gap is arranged between the inner side wall of the threaded compression ring and the top of the lens assembly.

[0009] Further, the outer side surface of the threaded compression ring is provided with an external thread, the inner side wall of the lens barrel is provided with an internal thread matched with the external thread, and the external thread is threadedly connected to the internal thread.

[0010] Further, the lens assembly is composed of multiple lenses, the outer side walls of the lenses are tightly abutted against the lens barrel, and a spacer is arranged between adjacent lenses and between the lenses and the threaded compression ring.

[0011] The adjacent lenses are tightly abutted against the upper and lower ends of the spacer, and the topmost spacer is tightly fixed on the lenses by the threaded compression ring.

[0012] Further, the lens away from one end of the limiting ring is a first lens; the first lens top surface and the first lens side wall are provided with a first lens chamfer surface; the spacer between the lens and the threaded compression ring is a first spacer; the first lens chamfer surface is sleeved with a sealing ring; the first spacer is compressed on the sealing ring; the sealing ring is sealed between the first lens chamfer surface and the inner side wall of the lens barrel; and the first spacer is compressed on the first lens.

[0013] Further, the inner side surface of the threaded compression ring and the threaded compression ring end surface close to the limiting ring are provided with a compression ring inner chamfer surface; and the gap between the compression ring inner chamfer surface and the first lens chamfer surface is a second gap.

[0014] Further, the outer side surface of the threaded compression ring and the threaded compression ring end surface away from the limiting ring are provided with a compression ring outer chamfer surface; and the compression ring outer chamfer surface and the inner side wall of the lens barrel are filled with sealing glue.

[0015] Further, the lens close to the limiting ring is a second lens; the second lens side surface and the second lens surface close to the limiting ring are provided with a second lens chamfer surface; the limiting ring and the lens barrel side wall are provided with a lens barrel inner chamfer surface; and the gap between the lens barrel inner chamfer surface and the second lens chamfer surface is the first gap.

[0016] After the above structure is adopted, the threaded compression ring locks and fixes the lens assembly on the lens barrel, the gaps between the front and rear ends of the lens assembly and the sealing lens barrel are all sealed by the sealing glue, the sealing glue can bond the threaded compression ring and the lens barrel together to prevent loosening, the connection between the lens barrel and the threaded compression ring and the lens assembly is more stable, the effect of preventing loosening is achieved, the sealing effect is guaranteed without needing to be judged by the extrusion degree. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2 is Figure 1 the A part enlarged view in the figure;

[0019] Figure 3 is Figure 1 the B part enlarged view in the figure;

[0020] Figure 4 is a cross-sectional view of the threaded compression ring;

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, lens barrel; 101, limiting ring; 10101, lens barrel inner chamfer surface; 2, lens;

[0023] 201, first lens chamfer surface; 202, second lens chamfer surface; 3, spacer ring; 4, sealing glue;

[0024] 5, threaded pressing ring; 501, inner chamfer surface of pressing ring; 502, outer chamfer surface of spacer ring; 6, sealing ring. DETAILED DESCRIPTION

[0025] The utility model makes further explanation in connection with the drawings.

[0026] As Figures 1 to 4 The utility model discloses a novel waterproof lens, including lens barrel 1 and setting in the lens barrel 1 inside lens assembly,

[0027] One end of the lens barrel 1 is provided with a limiting ring 101, and the other end of the lens barrel 1 is fixed with a threaded pressing ring 5.

[0028] A first gap is arranged between the bottom of the lens assembly and the limiting ring 101, and a second gap is arranged between the inner side wall of the threaded pressing ring 5 and the top of the lens assembly.

[0029] The sealing glue 4 has no essential difference from the prior art, so it is not described in detail. The outer side wall of the threaded pressing ring 5 is provided with external threads, the inner side wall of the lens barrel 1 is provided with internal threads, and the external threads of the threaded pressing ring 5 are threadedly connected to the internal threads of the lens barrel 1. The threaded pressing ring 5 locks and fixes the lens assembly on the lens barrel 1, and the gaps between the front and rear ends of the lens assembly and the sealing lens barrel 1 are sealed by the sealing glue 4. The sealing glue can bond the threaded pressing ring 5 and the lens barrel 1 together to prevent loosening, making the connection between the lens barrel 1, the threaded pressing ring 5 and the lens assembly more stable, preventing loosening, and ensuring the sealing effect without the need to judge the sealing effect by the degree of extrusion.

[0030] As a preferred mode of the utility model, the outer side surface of the threaded pressing ring 5 is provided with external threads, the inner side wall of the lens barrel 1 is provided with internal threads matching the external threads, and the external threads are threadedly connected to the internal threads.

[0031] The lens barrel 1 and the threaded pressing ring 5 are fixed by thread connection, which is convenient for assembly.

[0032] As a preferred mode of the utility model, the lens assembly is composed of multiple lenses 2, the outer side walls of the lenses 2 are tightly pressed against the lens barrel 1, and spacer rings 3 are arranged between adjacent lenses 2 and between the lenses 2 and the threaded pressing ring 5.

[0033] The adjacent lenses 2 are tightly pressed against the upper and lower ends of the spacer rings 3, and the threaded pressing ring 5 tightly fixes the topmost spacer ring 3 on the lenses 2.

[0034] The outer circle diameter of the lens 2 matches the diameter of the lens at the position of the lens barrel 1, the adjacent lenses are positioned by the spacer ring 3, the lens 2 is coaxial and is stably positioned in the lens barrel 1.

[0035] As a preferred mode of the utility model, one of the lenses 2 away from the limiting ring 101 is a first lens; a first lens chamfer surface 201 is arranged between the top surface of the first lens and the side wall of the first lens; the spacer ring 3 between the lens 2 and the threaded pressing ring 5 is a first spacer ring; a sealing ring 6 is sleeved on the first lens chamfer surface 201; the first spacer ring is pressed on the sealing ring 6; the sealing ring 6 is sealed between the first lens chamfer surface 201 and the inner side wall of the lens barrel 1; the first spacer ring is pressed on the first lens; the first spacer ring is pressed on the first lens at the same time, and the sealing ring 6 is extruded and deformed, forming a seal between the lens barrel 1 and the lens 2, enhancing the sealing effect of the first lens and the lens barrel 1.

[0036] As a preferred mode of the utility model, a pressing ring inner chamfer surface 501 is arranged between the inner side surface of the threaded pressing ring 5 and the end surface of the threaded pressing ring 5 close to the limiting ring 101; the gap between the pressing ring inner chamfer surface 501 and the first lens chamfer surface 201 is a second gap;

[0037] The pressing ring inner chamfer surface 501 and the first lens chamfer surface 201 form a structure with a "<" shape in cross section, which prolongs the length of the sealing glue 4, so that the bonding capacity of the sealing glue 4 is increased.

[0038] As a preferred mode of the utility model, a pressing ring outer chamfer surface 502 is arranged between the outer side surface of the threaded pressing ring 5 and the end surface of the threaded pressing ring 5 away from the limiting ring 101; the sealing glue 4 is filled between the pressing ring outer chamfer surface 502 and the inner side wall of the lens barrel 1; after the pressing ring outer chamfer surface 502 is arranged, an annular gap is formed between the pressing ring outer chamfer surface 502 and the inner side wall of the lens barrel 1 for filling the sealing glue 4, so that the outer side wall of the threaded pressing ring 5 and the inner side wall of the lens barrel 1 are sealed.

[0039] As a preferred mode of the utility model, one of the lenses 2 close to the limiting ring 101 is a second lens; a second lens chamfer surface 202 is arranged between the side surface of the second lens and the surface of the limiting ring 101 to which the second lens is attached; a lens barrel inner chamfer surface 10101 is arranged between the limiting ring 101 and the side wall of the lens barrel 1; the gap between the lens barrel inner chamfer surface 10101 and the second lens chamfer surface 202 is the first gap; the sealing glue between the lens barrel inner chamfer surface 10101 and the second lens chamfer surface 202 forms a sealing structure between the lens 2 and the lens barrel inner chamfer surface 10101, which can ensure that the lens 2 can be attached to the limiting ring 101; and it is ensured that the lens assembly can be pressed in the lens barrel 1.

[0040] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A novel waterproof lens, comprising a lens barrel (1) and a lens assembly disposed inside the lens barrel (1); Its features are: One end of the lens barrel (1) is provided with a limiting ring (101); the other end of the lens barrel (1) is fixed with a threaded pressure ring (5); the threaded pressure ring (5) presses the lens assembly onto the limiting ring (101); A first gap is provided between the bottom of the lens assembly and the limiting ring (101); a second gap is provided between the inner wall of the threaded pressure ring (5) and the top of the lens assembly; both the first gap and the second gap are filled with sealant (4).

2. The novel waterproof lens according to claim 1, characterized in that: The outer surface of the threaded pressure ring (5) is provided with an external thread; the inner wall of the lens barrel (1) is provided with an internal thread that matches the external thread; the external thread is threaded onto the internal thread.

3. The novel waterproof lens according to claim 1, characterized in that: The lens assembly consists of multiple lenses (2); the outer walls of the lenses (2) are all pressed against the lens barrel (1); spacers (3) are provided between adjacent lenses (2) and between the lenses (2) and the threaded pressure ring (5). The adjacent lenses (2) are pressed against the upper and lower ends of the spacer (3); the threaded pressure ring (5) presses and fixes the topmost spacer (3) onto the lens (2).

4. A novel waterproof lens according to claim 3, characterized in that: A lens (2) at the end away from the limiting ring (101) is the first lens; a chamfered surface (201) is provided between the top surface of the first lens and the side wall of the first lens; a spacer (3) between the lens (2) and the threaded pressure ring (5) is the first spacer; a sealing ring (6) is fitted on the chamfered surface (201) of the first lens; the first spacer is pressed on the sealing ring (6); the sealing ring (6) is sealed between the chamfered surface (201) of the first lens and the inner side wall of the lens barrel (1); the first spacer is pressed on the first lens.

5. A novel waterproof lens according to claim 4, characterized in that: An inner chamfered surface (501) is provided between the inner surface of the threaded pressure ring (5) and the end face of the threaded pressure ring (5) near the limiting ring (101); the gap between the inner chamfered surface (501) of the pressure ring and the chamfered surface (201) of the first lens is the second gap.

6. A novel waterproof lens according to claim 4, characterized in that: An outer chamfered surface (502) is provided between the outer surface of the threaded pressure ring (5) and the end face of the threaded pressure ring (5) away from the limiting ring (101); the outer chamfered surface (502) of the pressure ring and the inner wall of the lens barrel (1) are filled with sealant (4).

7. A novel waterproof lens according to claim 1, characterized in that: A lens (2) near the limiting ring (101) is a second lens; a chamfered surface (202) of the second lens is provided between the side surface of the second lens and the surface of the limiting ring (101); an inner chamfered surface (10101) of the lens barrel is provided between the limiting ring (101) and the side wall of the lens barrel (1); the gap between the inner chamfered surface (10101) of the lens barrel and the chamfered surface (202) of the second lens is the first gap.

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