Dustproof and moistureproof sealing structure for vehicle-mounted lens

By using a ring-shaped drying box filled with silica gel desiccant and a multi-layer sealing structure in the vehicle-mounted lens, the problem of poor dust and moisture protection in the vehicle-mounted lens was solved, achieving good sealing performance and image quality.

CN223808618UActive Publication Date: 2026-01-16NANYANG XINHE OPTICS CO LTD
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Patent Information

Application Number
CN202520233045.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-01-16
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Existing vehicle-mounted lenses are susceptible to dust and moisture during use, leading to a decline in image quality. Existing dustproof and moisture-proof structures have limited sealing effectiveness.

Method used

The lens uses a ring-shaped drying box filled with silica gel desiccant. The silica gel desiccant can be replaced through a hinged lid, bracket, pressure plate, and spring design. Combined with a multi-layer sealing structure of sealing rings and gaskets, it ensures the lens is dustproof and moisture-proof.

Benefits of technology

It effectively absorbs moisture, reduces the entry of dust and moisture, ensures the image quality of the lens, facilitates the replacement of silica gel desiccant, and improves the sealing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223808618U_ABST
Patent Text Reader

Abstract

The dustproof and moistureproof sealing structure comprises a vehicle-mounted lens barrel, an inner side of a front end of the vehicle-mounted lens barrel is provided with an annular groove 1, a bolt in the annular groove 1 is provided with a sealing cover, and an inner side of the sealing cover is clamped with a lens barrel moistureproof structure. According to the utility model, through the installation of the moistureproof structure of the lens barrel, the silica gel drying agent filled in the annular drying box can absorb moisture, so that the influence of leakage or residual moisture in the lens barrel on vehicle-mounted lens imaging is reduced, and the arranged box cover is connected with the annular drying box in a hinged manner. A support, a pressing plate and a spring are arranged, fastening of the box cover can be relieved in a rotating mode, then the silica gel drying agent can be replaced, a third sealing ring can be embedded into a sealing groove when the box cover is closed, and the sealing effect of the box cover is ideal; and the first sealing ring, the second sealing ring and the sealing gasket can reduce entering of dust and moisture.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical equipment technical field, concretely is a kind of vehicle-mounted lens dustproof and moistureproof sealing structure. BACKGROUND

[0002] The existing vehicle-mounted lens is susceptible to dust, moisture and other external environment during use, resulting in a decline in imaging quality. The existing technology seals through a dustproof and moistureproof structure, but the sealing effect is general and limited.

[0003] The prior art discloses an infrared lens assembly with a detachable sealing structure, which comprises an outer lens barrel, a front end cover and a rear end cover are threadedly connected to the two ends of the outer lens barrel, a limiting block is symmetrically fixed and installed at one end of the outer lens barrel, an inner lens barrel is arranged in the outer lens barrel, and the spring has good impact resistance and facilitates the disassembly of the inner lens barrel. The sealed lens assembly has good sealing performance and prevents dust from entering the inner wall of the lens.

[0004] The above technical solution seals by arranging a sealing rubber strip on the inner side of the front end cover. The structure is simple, and the leakage and residual moisture in the outer lens barrel can affect the use of the lens and further affect the imaging quality of the vehicle-mounted lens. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a vehicle-mounted lens dustproof and moistureproof sealing structure to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vehicle-mounted lens dustproof and moistureproof sealing structure, comprising a vehicle-mounted lens barrel, an annular groove one is formed in the inner side of the front end of the vehicle-mounted lens barrel, a sealing cover is arranged in the annular groove one by bolts, and a lens barrel moistureproof structure is connected to the inner side of the sealing cover.

[0007] The lens barrel moistureproof structure comprises an annular drying box, air holes are arranged in the inner side of the annular drying box, a box cover is hingedly connected to one side of the upper end of the annular drying box, a bracket is rotatably connected to the inner side of the annular drying box, the bracket is arranged opposite to the hinge connection between the box cover, springs are arranged on the front and rear sides of the upper end of the bracket, a pressing plate is arranged at the bottom side of the spring, and the pressing plate is rotatably fastened to the box cover.

[0008] In the above technical solution, the silica gel desiccant filled in the annular drying box can absorb moisture, the box cover and the annular drying box are connected by hinging, and the bracket, the pressing plate and the spring can be released from the fastening of the box cover by rotating, so that the silica gel desiccant can be replaced.

[0009] As a further preferred of the technical solution, the outer side of the vehicle-mounted lens barrel is provided with an external thread groove, and the side close to the external thread groove of the vehicle-mounted lens barrel is provided with a sealing gasket.

[0010] In the above technical solution, the sealing gasket is arranged to ensure that the vehicle-mounted lens barrel is tightly connected after being screwed.

[0011] As a further preferred of the technical solution, the bottom side of the sealing cover is fixedly connected with an annular mounting plate, the bottom side and the outer wall of the annular mounting plate are provided with a sealing ring one, the outer side of the sealing ring one is in contact with the annular groove one, and the annular mounting plate and the sealing ring one are connected with the vehicle-mounted lens barrel through bolts.

[0012] In the above technical solution, the sealing ring one is arranged to ensure that the annular mounting plate is tightly combined with the annular groove one, so that the entry of dust and moisture is reduced.

[0013] As a further preferred of the technical solution, the inner wall of the sealing cover is provided with an annular groove two on one side, the annular groove two is embedded with a sealing ring two, the inner side of the sealing ring two is coated with a glue layer, and a lens is bonded on the sealing ring two.

[0014] In the above technical solution, the lens is connected through the sealing ring two and the glue layer, has good sealing performance, and the entry of dust and moisture is reduced.

[0015] As a further preferred of the technical solution, the annular drying box is provided with a plug hole at both ends, a plug rod is inserted into the plug hole, the plug rod penetrates through the sealing cover, and the outer side of the plug rod is connected with the outer surface of the sealing cover through screws.

[0016] In the above technical solution, the plug rod is inserted into the plug hole, so that when the silica gel desiccant is replaced, the annular drying box is released from the limiting, and the annular drying box is disassembled from the sealing cover for replacement.

[0017] As a further preferred of the technical solution, the outer side edge of the box cover is provided with a sealing ring three, the outer side edge of the annular drying box is provided with a sealing groove, and the sealing ring three is arranged on the inner side of the sealing groove.

[0018] In the above technical solution, the sealing ring three is arranged to be embedded in the sealing groove when the box cover is closed, so that the sealing effect of the box cover is ideal.

[0019] As a further preferred of the technical solution, the annular drying box is filled with silica gel desiccant.

[0020] The utility model provides a vehicle-mounted lens dustproof and moistureproof sealing structure, has the following beneficial effects:

[0021] (1) The utility model discloses a lens barrel moistureproof structure is installed, and the silica gel drier filled in annular drying box can absorb moisture, thereby reducing the influence of the moisture leakage or residual in the lens barrel on the vehicle-mounted lens imaging, the box cover and annular drying box are connected through the hinged mode, and the support, pressing plate and spring can be used to remove the fastening of the box cover in the rotating mode, thereby making the silica gel drier replaceable, and the sealing ring three can be embedded in the sealing groove when closing the box cover, so that the box cover sealing effect is ideal.

[0022] (2) The utility model discloses a sealing cover is connected with the vehicle-mounted lens barrel through the annular mounting plate, and the sealing ring one is set, and the close adhesion is ensured, and the lens is connected through the sealing ring two and the glue layer, is made of the elastic silica gel material, has good sealing performance, and the sealing gasket can be further sealed after the vehicle-mounted lens barrel threaded connection, and the sealing ring one, the sealing ring two and the sealing gasket can reduce the entry of dust and moisture. DRAWINGS

[0023] Figure 1 It is the whole structure schematic view of the utility model;

[0024] Figure 2 It is the structure schematic view of the sealing cover inside of the utility model;

[0025] Figure 3 It is the structure schematic view of the lens barrel moistureproof structure of the utility model;

[0026] Figure 4 It is the structure schematic view of the box cover and annular drying box connection of the utility model;

[0027] In the drawing: 1, vehicle-mounted lens barrel;11, outer thread groove;12, annular groove one;13, sealing gasket;2, sealing cover;21, annular mounting plate;22, sealing ring one;23, annular groove two;24, sealing ring two;25, glue layer;26, lens;3, lens barrel moistureproof structure;31, annular drying box;32, jack;33, air hole;34, insertion rod;311, box cover;312, support;313, pressing plate;314, spring;315, sealing groove;316, sealing ring three. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model.

[0029] The utility model provides technical scheme: such as Figure 1 And Figure 2As shown, in this embodiment, a kind of vehicle-mounted lens dustproof and moistureproof sealing structure, including vehicle-mounted lens barrel 1, annular groove one 12 is set in the inside of vehicle-mounted lens barrel 1 front end, vehicle-mounted lens barrel 1 outside is provided with outer thread groove 11, vehicle-mounted lens barrel 1 is close to the side of outer thread groove 11 is provided with sealing pad 13, bolt is provided with sealing cover 2 in annular groove one 12, sealing cover 2 inside is clamped with lens barrel moistureproof structure 3.

[0030] As Figure 2 Sealing cover 2 bottom side is fixedly connected with annular mounting plate 21, annular mounting plate 21 bottom side and outer wall are provided with sealing ring one 22, sealing ring one 22 outside is in contact with annular groove one 12, annular mounting plate 21 and sealing ring one 22 are connected with vehicle-mounted lens barrel 1 by bolt, annular groove two 23 is set in the inner wall of sealing cover 2 one side, annular groove two 23 is embedded with sealing ring two 24, sealing ring two 24 inside is daubed with glue layer 25, sealing ring two 24 is bonded with lens 26, the sealing cover 2 that is set is connected with vehicle-mounted lens barrel 1 by annular mounting plate 21, it is convenient to disassemble, and the sealing ring one 22 that is set ensures close fitting, the lens 26 that is set is connected by sealing ring two 24 and glue layer 25, adopt the elastic silica gel material, with good sealing performance, the sealing pad 13 that is set can be further sealed after the threaded connection of vehicle-mounted lens barrel 1, the sealing ring one 22, sealing ring two 24 and sealing pad 13 that are set can reduce the entry of dust and humidity.

[0031] As Figure 3 And Figure 4As shown, the lens barrel moisture-proof structure 3 includes an annular drying box 31 filled with silica gel desiccant, the main function of which is to absorb or adsorb moisture in the surrounding environment, prevent moisture, reduce humidity, and prevent mold and bacteria from growing. It is widely used in various moisture-proof occasions, such as food, medicine, electronic equipment, etc. The inner side of the annular drying box 31 is arranged with air holes 33, and the upper end of the annular drying box 31 is hinged with a box cover 311. The inner side of the annular drying box 31 is rotatably connected with a support 312, which is arranged opposite to the hinge of the box cover 311. The upper end of the support 312 is provided with springs 314 on the front and back sides, and the bottom side of the spring 314 is provided with a pressing plate 313. The pressing plate 313 is rotatably fastened to the box cover 311. The two ends of the annular drying box 31 are provided with insertion holes 32, and the insertion holes 32 are inserted with insertion rods 34. The insertion rods 34 pass through the sealing cover 2, and the outer side of the insertion rod 34 is connected with the outer surface of the sealing cover 2 through screws. The insertion rod 34 and the insertion hole 32 are inserted, which can release the limitation of the annular drying box 31 when replacing the silica gel desiccant, so that it can be disassembled from the sealing cover 2, and then the replacement is facilitated. The outer side of the box cover 311 is provided with a sealing ring three 316, and the outer side of the annular drying box 31 is provided with a sealing groove 315. The sealing ring three 316 is arranged in the sealing groove 315. By installing the lens barrel moisture-proof structure 3, the silica gel desiccant filled in the annular drying box 31 can absorb moisture, thereby reducing the influence of the leaked or residual moisture in the lens barrel on the vehicle-mounted lens imaging. The box cover 311 and the annular drying box 31 are connected by hinging, and the support 312, the pressing plate 313 and the spring 314 can be released by rotating the box cover 311, so that the silica gel desiccant can be replaced. The sealing ring three 316 can be embedded in the sealing groove 315 when the box cover 311 is closed, so that the sealing effect of the box cover 311 is ideal.

[0032] The utility model provides a kind of vehicle-mounted lens dustproof and moistureproof sealing structure, specific working principle is as follows: the lens 26 is connected with annular groove two 23 by sealing ring two 24 and glue layer 25, annular mounting plate 21 is attached with annular groove one 12 by sealing ring one 22, with good sealing performance, reduce the entry of dust and moisture;Silica gel desiccant filled in the annular drying box 31 is absorbed by 33 the leaked or residual moisture in sealing cover 2, if subsequent silica gel desiccant needs to be replaced, the bolt around annular mounting plate 21 can be first disassembled to be away from vehicle-mounted lens barrel 1, then the screw outside insertion rod 34 is disassembled, and insertion rod 34 is extracted from insertion hole 32, the limitation of annular drying box 31 can be released, user can rotate support 312, so that pressing plate 313 is away from box cover 311, box cover 311 can be opened, and the silica gel desiccant in it is replaced, and after replacement, it can continue to be used.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle-mounted lens dustproof and moistureproof sealing structure, comprising a vehicle-mounted lens barrel (1), characterized in that: The inner side of the front end of the vehicle-mounted lens barrel (1) is provided with an annular groove one (12), a sealing cover (2) is arranged in the annular groove one (12) through bolts, and the inner side of the sealing cover (2) is clamped with a lens barrel moisture-proof structure (3). The lens barrel moisture-proof structure (3) comprises an annular drying box (31), a plurality of air holes (33) are arranged on the inner side of the annular drying box (31), a box cover (311) is hinged on one side of the upper end of the annular drying box (31), a support (312) is rotatably connected to the inner side of the annular drying box (31), the support (312) is arranged opposite to the hinge of the box cover (311), springs (314) are arranged on the upper end of the support (312), a pressing plate (313) is arranged at the bottom of the spring (314), and the pressing plate (313) is rotatably fastened on the box cover (311).

2. The dust and moisture proof sealing structure for a vehicle lens according to claim 1, characterized in that: The outer side of the vehicle-mounted lens barrel (1) is provided with an external thread groove (11), and the side close to the external thread groove (11) of the vehicle-mounted lens barrel (1) is provided with a sealing gasket (13).

3. The dustproof and moistureproof sealing structure for a vehicle-mounted lens according to claim 1, characterized in that: The bottom side of the sealing cover (2) is fixedly connected with an annular mounting plate (21), the bottom side and the outer wall of the annular mounting plate (21) are provided with a sealing ring one (22), the outer side of the sealing ring one (22) is in contact with the annular groove one (12), and the annular mounting plate (21) and the sealing ring one (22) are connected with the vehicle-mounted lens barrel (1) through bolts.

4. The dustproof and moistureproof sealing structure for a vehicle lens according to claim 1, characterized in that: The inner wall of the sealing cover (2) is provided with an annular groove two (23) on one side, the annular groove two (23) is embedded with a sealing ring two (24), the inner side of the sealing ring two (24) is coated with a glue layer (25), and the sealing ring two (24) is bonded with a lens (26).

5. The dustproof and moistureproof sealing structure for a vehicle lens according to claim 1, characterized in that: The annular drying box (31) is provided with a jack (32) at both ends, the jack (32) is inserted with a plug rod (34), the plug rod (34) penetrates through the sealing cover (2), and the outer side of the plug rod (34) is connected with the outer surface of the sealing cover (2) through screws.

6. The dust and moisture proof sealing structure for a lens on a vehicle according to claim 1, characterized in that: The outer side edge of the box cover (311) is provided with a sealing ring three (316), the outer side edge of the annular drying box (31) is provided with a sealing groove (315), and the sealing ring three (316) is arranged in the inner side of the sealing groove (315).

7. The dustproof and moistureproof sealing structure for a vehicle lens according to claim 1, characterized in that: The annular drying box (31) is filled with silica gel desiccant.

Citation Information

Patent Citations

  • An infrared lens assembly with a detachable sealing structure

    CN218824883U