Polarized lens for driving recorder

By designing a polarizer in a driving recorder, using the space between the lens mold and the card slot and the position of the butt buckle, the combination of the mounting ring and the polarizer main body, the problem of strong sunlight affecting the shooting effect is solved, and the effect of reducing the intensity of the sunlight and avoiding exposure is achieved.

CN119767121APending Publication Date: 2025-04-04CHENGDU SHANLING ZHENGTU TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510146717.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

When traditional dash recorders are exposed to strong sunlight, the lens is affected, resulting in poor shooting results.

Method used

A polarizer for a driving recorder is designed. By forming a space between the lens module and the slot, and the butt buckle is snapped in this position, the installation ring is installed before the driving recorder body, and the polarizer body is used to filter the sunlight.

Benefits of technology

Effectively reduce the intensity of sunlight, avoid exposure of shooting effects, and improve the shooting effect of the lens.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119767121A_ABST
    Figure CN119767121A_ABST
Patent Text Reader

Abstract

The present invention discloses a polarizer for a driving recorder, comprising a driving recorder body, a mounting slot is provided at the front end of the driving recorder body, a card slot is provided on the inner wall of the mounting slot, a lens module is installed on the inner side of the mounting slot, a lens is installed on the front end of the lens module, and a docking buckle is installed on the inner side of the card slot. The polarizer for a driving recorder described in the present invention forms a space between the lens module and the card slot by adopting a lens module with a slightly smaller diameter, and then the docking buckle is clamped between the lens module and the card slot, so as to facilitate the installation of the mounting ring in front of the driving recorder body, and by screwing the positioning screws to move several groups of card heads toward the axis point of the mounting ring, the polarizer body is confined in the inner side of the mounting ring, and then when the lens module is shooting, the polarizer body filters the sunlight to reduce the intensity of the sunlight, thereby avoiding exposure of the shooting effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of driving recorders, and in particular to a polarizing filter for driving recorders. Background Art

[0002] With the advancement of science and technology, the improvement of people's quality of life, the demand for vehicles is also increasing, and driving safety is gradually becoming a concern for people. After installing a driving recorder on a vehicle, it can record the video images and sounds of the entire driving process of the car, which can provide evidence for traffic accidents; Traditional dash cams have some disadvantages. When a dash cam is in use, the camera inside the dash cam needs to record in real time. However, the camera will be affected by the environment, causing strong sunlight to shine on the lens, which in turn affects the authenticity of the captured objects, resulting in poor video effects. Summary of the invention

[0003] The main purpose of the present invention is to provide a polarizing filter for a driving recorder, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is: A polarizing lens for a driving recorder comprises a driving recorder body, a mounting groove is provided at the front end of the driving recorder body, a clamping groove is provided on the inner wall of the mounting groove, a lens module is installed on the inner side of the mounting groove, a lens is installed on the front end of the lens module, a docking buckle is installed on the inner side of the clamping groove, a mounting ring is fixedly connected to the front end of the docking buckle, and the lens module adopts a product with a slightly smaller diameter.

[0005] Preferably, the diameter of the card slot is larger than the diameter of the installation slot, and the shape of the docking buckle is circular.

[0006] Preferably, the mounting ring corresponds to the lens.

[0007] Preferably, a movable groove is provided inside the mounting ring, a shrink ring is slidably connected to the inner side of the movable groove, a clamp is fixedly connected to the inner wall of the shrink ring, and a polarizer body is placed inside the mounting ring.

[0008] Preferably, a limit ring is placed on the inner side of the mounting ring close to the front side of the polarizer body, the upper end of the mounting ring is fixedly connected to a mounting seat, and the internal thread of the mounting seat is connected to a positioning screw.

[0009] Preferably, there are several groups of the chucks, several groups of the chucks are distributed on the inner side of the movable groove, several groups of the chucks are in contact with the limiting ring, and the axes of the mounting ring, the docking buckle, the polarizer body and the limiting ring are located at the same point.

[0010] Preferably, the positioning screw extends to the interior of the mounting ring, and the positioning screw is threadedly connected to the mounting ring.

[0011] Preferably, the lower end of the positioning screw is in contact with the outer side of the shrink ring, the number of the mounting seat and the positioning screw are both six, and the main body material of the polarizer body is glass.

[0012] Compared with the prior art, the present invention has the following beneficial effects: By adopting a lens module with a slightly smaller diameter, a space is formed between the lens module and the card slot, and then the docking buckle is clamped between the lens module and the card slot, the purpose of facilitating the installation of the mounting ring in front of the driving recorder body can be achieved. By turning the positioning screws, several groups of clamp heads are moved toward the axis point of the mounting ring, so that the polarizer body is confined to the inner side of the mounting ring. Then, when the lens module is shooting, the polarizer body filters the sunlight, thereby reducing the intensity of the sunlight and avoiding exposure of the shooting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure schematic diagram of a polarizing lens for a driving recorder of the present invention; Figure 2 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 1 ; Figure 3 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 2 ; Figure 4 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 3 ; Figure 5 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 4 ; Figure 6 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 5 ; Figure 7 The partial structure of a polarizing lens for a driving recorder of the present invention is shown in FIG. Figure 6 .

[0014] In the figure: 1. Driving recorder body; 2. Mounting slot; 3. Card slot; 4. Lens module; 5. Lens; 6. Mounting ring; 7. Docking buckle; 8. Movable slot; 9. Shrink ring; 10. Card head; 11. Polarizer body; 12. Limiting ring; 13. Mounting seat; 14. Positioning screw. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0016] like Figure 1-7 As shown, a polarizing filter for a driving recorder includes a driving recorder body 1, a mounting groove 2 is provided at the front end of the driving recorder body 1, a card slot 3 is provided on the inner wall of the mounting groove 2, a lens module 4 is installed on the inner side of the mounting groove 2, a lens 5 is installed on the front end of the lens module 4, a docking buckle 7 is installed on the inner side of the card slot 3, a mounting ring 6 is fixedly connected to the front end of the docking buckle 7, and the lens module 4 adopts a product with a slightly smaller diameter.

[0017] In this embodiment, the diameter of the card slot 3 is larger than the diameter of the mounting slot 2 , the shape of the docking buckle 7 is annular, and the mounting ring 6 corresponds to the lens 5 .

[0018] Specifically, the lens 5 is installed at the front end of the lens module 4, and the lens module 4 is installed in the mounting groove 2. The lens module 4 used needs to be slightly smaller in diameter so that a space is formed between the lens module 4 and the card slot 3. Then the docking buckle 7 is clamped between the lens module 4 and the card slot 3, and the mounting ring 6 is installed in front of the driving recorder body 1.

[0019] In this embodiment, a movable groove 8 is provided inside the mounting ring 6, and a shrink ring 9 is slidably connected to the inner side of the movable groove 8, and a clamp 10 is fixedly connected to the inner wall of the shrink ring 9, a polarizer body 11 is placed on the inner side of the mounting ring 6, and a limit ring 12 is placed on the inner side of the mounting ring 6 near the front side of the polarizer body 11, a mounting seat 13 is fixedly connected to the upper end of the mounting ring 6, and a positioning screw 14 is connected to the inner thread of the mounting seat 13. There are several groups of clamps 10, and several groups of clamps 10 are distributed on the inner side of the movable groove 8, and several groups of clamps 10 are in contact with the limiting ring 12. The axes of the mounting ring 6, the docking buckle 7, the polarizer body 11, and the limiting ring 12 are located at the same point, the positioning screw 14 extends to the inside of the mounting ring 6, and the positioning screw 14 is threadedly connected to the mounting ring 6, and the lower end of the positioning screw 14 is in contact with the outer side of the shrink ring 9. There are six groups of mounting seats 13 and positioning screws 14, and the main material of the polarizer body 11 is glass.

[0020] Specifically, the polarizer body 11 is placed inside the mounting ring 6, and then the limiting ring 12 is placed inside the mounting ring 6 close to the polarizer body 11, and then the positioning screw 14 is screwed into the inside of the mounting seat 13, and the positioning screw 14 passes through the mounting ring 6 and contacts the shrinking ring 9, so that the mounting seat 13 squeezes the shrinking ring 9 to compress it toward the axis point of the mounting ring 6, so that the shrinking ring 9 drives several groups of clamping heads 10 to move toward the axis point of the mounting ring 6, and then several groups of clamping heads 10 clamp the limiting ring 12 at the front end of the polarizer body 11, so that the polarizer body 11 is confined to the inner side of the mounting ring 6, and then the polarizer body 11 is located in front of the lens 5, and when the lens module 4 passes through the lens 5 for shooting, it needs to pass through the polarizer. The main body 11 is used for shooting, so that the polarizer main body 11 filters the sunlight, thereby reducing the intensity of the sunlight, thereby avoiding exposure to the shooting effect. By adopting a lens module 4 with a slightly smaller diameter, a space is formed between the lens module 4 and the card slot 3, and then the docking buckle 7 is clamped between the lens module 4 and the card slot 3, it is possible to facilitate the installation of the mounting ring 6 in front of the driving recorder main body 1, and by turning the positioning screw 14, a plurality of groups of clamping heads 10 are moved toward the axis point of the mounting ring 6, so that the polarizer main body 11 is confined to the inner side of the mounting ring 6, and then when the lens module 4 is shooting, the polarizer main body 11 filters the sunlight, thereby reducing the intensity of the sunlight, thereby avoiding exposure to the shooting effect.

[0021] Working principle: When in use, first, the outer shell of the driving recorder body 1 is cast, and the installation groove 2 and the card slot 3 need to be reserved, and the diameter of the card slot 3 is slightly larger than the diameter of the installation groove 2, and then the lens 5 is installed at the front end of the lens module 4, and the lens module 4 is installed in the installation groove 2. The lens module 4 used needs to be slightly smaller in diameter, so that a space is formed between the lens module 4 and the card slot 3, and then the docking buckle 7 is clamped between the lens module 4 and the card slot 3, and the mounting ring 6 is installed. In front of the driving recorder body 1, the polarizer body 11 is placed inside the mounting ring 6, and then the limiting ring 12 is placed inside the mounting ring 6 close to the polarizer body 11, and then the positioning screw 14 is screwed into the inside of the mounting seat 13, and the positioning screw 14 passes through the mounting ring 6 and contacts the shrink ring 9, so that the mounting seat 13 squeezes the shrink ring 9 toward the axis point of the mounting ring 6, so that the shrink ring 9 drives the plurality of groups of clamps 10 to move toward the axis point of the mounting ring 6, thereby making the plurality of groups The clamping head 10 clamps the limiting ring 12 on the front end of the polarizer body 11, so that the polarizer body 11 is confined to the inner side of the mounting ring 6. At this time, the polarizer body 11 is located in front of the lens 5. When the lens module 4 passes through the lens 5 for shooting, it is necessary to shoot through the polarizer body 11, so that the polarizer body 11 filters the sunlight, thereby reducing the intensity of the sunlight, thereby avoiding exposure of the shooting effect. By adopting a lens module 4 with a slightly smaller diameter, a space is formed between the lens module 4 and the clamping slot 3, and then the docking buckle 7 is clamped between the lens module 4 and the clamping slot 3, the purpose of facilitating the installation of the mounting ring 6 in front of the driving recorder body 1 can be achieved. By screwing the positioning screw 14, several groups of clamping heads 10 are moved toward the axis point of the mounting ring 6, so that the polarizer body 11 is confined to the inner side of the mounting ring 6, and then when the lens module 4 is shooting, the polarizer body 11 filters the sunlight, thereby reducing the intensity of the sunlight, thereby avoiding exposure of the shooting effect.

[0022] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A polarizing lens for a driving recorder, comprising a driving recorder body (1), characterized in that: The front end of the driving recorder body (1) is provided with a mounting groove (2), the inner wall of the mounting groove (2) is provided with a clamping groove (3), a lens module (4) is installed on the inner side of the mounting groove (2), a lens (5) is installed on the front end of the lens module (4), a docking buckle (7) is installed on the inner side of the clamping groove (3), a mounting ring (6) is fixedly connected to the front end of the docking buckle (7), and the lens module (4) is a product with a slightly smaller diameter.

2. The polarizing filter for a driving recorder according to claim 1, characterized in that: The diameter of the clamping groove (3) is greater than the diameter of the mounting groove (2), and the shape of the docking buckle (7) is annular.

3. The polarizing filter for a driving recorder according to claim 1, characterized in that: The mounting ring (6) corresponds to the lens (5).

4. The polarizing lens for a driving recorder according to claim 1, characterized in that: A movable groove (8) is provided inside the mounting ring (6), a shrink ring (9) is slidably connected to the inside of the movable groove (8), a clamp (10) is fixedly connected to the inner wall of the shrink ring (9), and a polarizer body (11) is placed inside the mounting ring (6).

5. The polarizing lens for a driving recorder according to claim 4, characterized in that: A limit ring (12) is placed on the inner side of the mounting ring (6) close to the front side of the polarizer body (11); the upper end of the mounting ring (6) is fixedly connected to a mounting seat (13); and the internal thread of the mounting seat (13) is connected to a positioning screw (14).

6. The polarizing lens for a driving recorder according to claim 5, characterized in that: The number of the clamping heads (10) is several groups, and the several groups of the clamping heads (10) are distributed on the inner side of the movable groove (8). The several groups of the clamping heads (10) are in contact with the limiting ring (12), and the axes of the mounting ring (6), the docking buckle (7), the polarizer body (11), and the limiting ring (12) are located at the same point.

7. The polarizing lens for a driving recorder according to claim 5, characterized in that: The positioning screw (14) extends to the interior of the mounting ring (6), and the positioning screw (14) and the mounting ring (6) are threadedly connected.

8. The polarizing lens for a driving recorder according to claim 5, characterized in that: The lower end of the positioning screw (14) contacts the outer side of the shrink ring (9), the number of the mounting seat (13) and the positioning screw (14) are both six, and the main body material of the polarizer body (11) is glass.