Photographic dimming device

By introducing a combination of helical and bevel gears into the dimming device, and using a motor drive to achieve stable rotation and angle adjustment of the device, the problem of shaking caused by unstable handheld operation is solved, thus improving the photographic effect.

CN223537541UActive Publication Date: 2025-11-11SHANDONG SHILIN CULTURE MEDIA CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422783159.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-11-11
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The staff member's handheld dimming device was not steady enough during the photo shoot, causing it to shake and affecting the photo quality.

Method used

The dimming device adopts a combination structure of main body and helical gear and bevel gear. The helical gear is driven by motor to rotate, so as to realize the angle adjustment of main body and U-shaped frame. Combined with L-shaped bracket and fixed frame to fix position, the device is stable.

Benefits of technology

It achieves stable rotation and angle adjustment of the dimming device, improves the photographic effect, and reduces the impact of hand-held shaking.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223537541U_ABST
    Figure CN223537541U_ABST
Patent Text Reader

Abstract

The utility model discloses a dimming device for photography, which relates to the technical field of photographic equipment and comprises a dimming device main body, a sliding block is fixedly connected to the bottom of the dimming device main body, a first rotating shaft is movably connected to the sliding block, a U-shaped frame is movably connected to the first rotating shaft, a first bevel gear is fixedly connected to the first rotating shaft, and a second bevel gear is fixedly connected to the second bevel gear. The first bevel gear is movably connected with a second bevel gear, the second bevel gear is fixedly connected with a first bevel gear, the U-shaped frame is fixedly connected with a second bevel gear, the first bevel gear is movably connected with a fourth bevel gear, and the second bevel gear is movably connected with a third bevel gear. According to the utility model, through the combination between the dimming device main body and the first bevel gear, the rotation effect of the first bevel gear is achieved, so that the effect that the first bevel gear rotates to drive the dimming device main body to rotate is achieved, and through the combination between the U-shaped frame and the second bevel gear, the rotation effect of the second bevel gear is achieved; and therefore, the effect of rotating the U-shaped frame is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of photographic equipment technology, specifically a lighting adjustment device for photography. Background Technology

[0002] Photography is an art and technique that uses cameras and light-sensitive materials (or digital sensors) to capture and interpret images of the real world. It involves composition, lighting, tonal values ​​(or color tones) and other stylistic techniques to express the subject and create artistically impactful photographs. Photography is not only a tool for recording reality, but also a medium for expressing the photographer's creativity and emotions.

[0003] In photography, lighting devices are mainly used to control and shape light to achieve the desired visual effect. Lighting devices can help photographers adjust the intensity, direction, hardness, and distribution of light, thereby affecting the exposure, contrast, three-dimensionality, and color performance of a photograph.

[0004] In existing technologies, photographers need to hand-hold a lighting device to provide suitable light to meet the photographer's requirements. However, hand-held lighting devices are not stable enough, and if the staff holds them for too long, they will shake, which will affect the photographer's shooting results. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a lighting adjustment device for photography, so as to solve the technical problem that the staff needs to hand-hold the lighting adjustment device to provide suitable light to meet the photographer's shooting requirements. However, the hand-held lighting adjustment device is not stable enough, and the staff will shake it if they hold it for too long, which will affect the photographer's shooting effect.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a light-adjusting device for photography, comprising a main body of the light-adjusting device, a slider fixedly connected to the bottom of the main body of the light-adjusting device, a first rotating shaft movably connected to the slider, a U-shaped frame movably connected to the first rotating shaft, a first bevel gear fixedly connected to the first rotating shaft, a second bevel gear movably connected to the first bevel gear, a first helical gear fixedly connected to the second bevel gear, a second helical gear fixedly connected to the U-shaped frame, a fourth helical gear movably connected to the first helical gear, and a third helical gear movably connected to the second helical gear.

[0007] By adopting the above technical solution, the combination between the main body of the dimming device and the first helical gear achieves the function of rotating the first helical gear, thereby achieving the effect of rotating the main body of the dimming device. Specifically, the second motor drives the fourth helical gear to rotate, the fourth helical gear meshes with the first helical gear to make the first helical gear rotate, the first helical gear drives the second rotating shaft to rotate, and then the second bevel gear fixedly connected to the second rotating shaft rotates. The second bevel gear meshes with the first bevel gear to rotate, and the first bevel gear drives the first rotating shaft to rotate, thereby driving the main body of the dimming device to rotate by an angle. The combination between the U-shaped frame and the second helical gear achieves the function of rotating the second helical gear, thereby achieving the effect of rotating the U-shaped frame. Specifically, the first motor drives the third helical gear to rotate, the third helical gear meshes with the second helical gear to rotate, the second helical gear drives the third rotating shaft to rotate, and then drives the U-shaped frame fixedly connected to the third rotating shaft to rotate, so that the main body of the dimming device rotates to adjust the angle.

[0008] Furthermore, the second bevel gear is fixedly connected to a second rotating shaft, and the bottom of the second rotating shaft is fixedly connected to a first helical gear.

[0009] By adopting the above technical solution, the rotation of the first helical gear drives the rotation of the second shaft, and the rotation of the second shaft drives the rotation of the second bevel gear.

[0010] Furthermore, a third rotating shaft is fixedly connected to the bottom end of the U-shaped frame, and a second helical gear is fixedly connected to the third rotating shaft.

[0011] By adopting the above technical solution, the rotation of the second helical gear drives the rotation of the third shaft, and the rotation of the third shaft drives the rotation of the U-shaped frame.

[0012] Furthermore, a fixed frame is movably connected to the outer side of the third rotating shaft, and L-shaped brackets are fixedly connected to both sides of the fixed frame.

[0013] By adopting the above technical solution, the position of the fixing bracket is fixed by the L-shaped bracket, and the third rotating shaft is fixed by the fixing bracket.

[0014] Furthermore, the third helical gear is fixedly connected to a fourth rotating shaft, one end of which is fixedly connected to a first motor, and the first motor is fixedly connected to a first motor bracket.

[0015] By adopting the above technical solution, the position of the first motor is fixed by the first motor bracket, the first motor drives the fourth rotating shaft to rotate, and the fourth rotating shaft drives the third helical gear to rotate.

[0016] Furthermore, the fourth helical gear is fixedly connected to a fifth rotating shaft, one end of the fifth rotating shaft is fixedly connected to a second motor, and the second motor is fixedly connected to a second motor bracket.

[0017] By adopting the above technical solution, the position of the second motor is fixed by the second motor bracket, and the second motor drives the fifth rotating shaft to rotate, and the rotation of the fifth rotating shaft drives the fourth helical gear to rotate.

[0018] Furthermore, both the fourth and fifth rotating shafts are movably connected to a bracket at one end, and the two sets of brackets are fixedly connected to the L-shaped brackets on both sides of the fixed frame, with a base plate fixedly connected to the bottom of the L-shaped bracket.

[0019] By adopting the above technical solution, the positions of the fourth and fifth rotating shafts are fixed by a bracket.

[0020] In summary, this utility model has the following beneficial effects: Through the combination of the main body of the dimming device and the first helical gear, the first helical gear rotates, thus driving the main body of the dimming device to rotate. Specifically, the second motor drives the fourth helical gear to rotate, and the fourth helical gear meshes with the first helical gear, causing the first helical gear to rotate. The first helical gear drives the second rotating shaft to rotate, which in turn drives the second bevel gear fixedly connected to the second rotating shaft to rotate. The second bevel gear meshes with the first bevel gear, and the first bevel gear drives the first rotating shaft to rotate, thereby causing the main body of the dimming device to rotate by an angle. Through the combination of the U-shaped frame and the second helical gear, the second helical gear rotates, thus achieving the effect of rotating the U-shaped frame. Specifically, the first motor drives the third helical gear to rotate, and the third helical gear meshes with the second helical gear. The second helical gear drives the third rotating shaft to rotate, which in turn drives the U-shaped frame fixedly connected to the third rotating shaft to rotate, causing the main body of the dimming device to rotate and adjust its angle. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the third rotating shaft part of this utility model;

[0023] Figure 3 This is a schematic diagram of the second rotating shaft part of this utility model;

[0024] Figure 4 This is a schematic diagram of the first helical gear part of the present invention;

[0025] Figure 5 This is a schematic diagram of the main structure of the dimming device of this utility model.

[0026] In the diagram: 1. Main body of the dimming device; 2. Slider; 3. First rotating shaft; 4. U-shaped frame; 5. First bevel gear; 6. Second bevel gear; 7. Second rotating shaft; 8. First helical gear; 9. Third rotating shaft; 10. Second helical gear; 11. Fixing frame; 12. Third helical gear; 13. Fourth rotating shaft; 14. First motor; 15. Support; 16. First motor support; 17. Fourth helical gear; 18. Fifth rotating shaft; 19. Second motor; 20. Second motor support; 21. Base plate. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] The embodiments of this utility model will be described below based on its overall structure.

[0029] A photographic dimming device, such as Figure 1-5 As shown, the device includes a dimming device body 1. A slider 2 is fixedly connected to the bottom of the dimming device body 1. A first rotating shaft 3 is movably connected to the slider 2. A U-shaped frame 4 is movably connected to the first rotating shaft 3. A third rotating shaft 9 is fixedly connected to the bottom of the U-shaped frame 4. A second helical gear 10 is fixedly connected to the third rotating shaft 9. A first bevel gear 5 is fixedly connected to the first rotating shaft 3. A second bevel gear 6 is movably connected to the first bevel gear 5. A second rotating shaft 7 is fixedly connected to the second rotating shaft 7. A first helical gear 8 is fixedly connected to the bottom of the second rotating shaft 7. The second helical gear 10 is fixedly connected to the U-shaped frame 4. A fourth helical gear 17 is movably connected to the first helical gear 8. A third helical gear 12 is movably connected to the second helical gear 1. Through the interaction between the dimming device body 1 and the first helical gear 8, the first helical gear 8 rotates, thereby driving the dimming device body 1 to rotate. Specifically, the second motor 19 drives the fourth helical gear 17 to rotate. The fourth helical gear 17 meshes with the first helical gear 8, causing the first helical gear 8 to rotate. The first helical gear 8 drives the second rotating shaft 7 to rotate, which in turn drives the second bevel gear 6, which is fixedly connected to the second rotating shaft 7, to rotate. The second bevel gear 6 meshes with the first bevel gear 5 and rotates. The first bevel gear 5 drives the first rotating shaft 3 to rotate, which in turn drives the main body 1 of the dimming device to rotate by an angle. Through the interaction between the U-shaped frame 4 and the second helical gear 10, the rotation of the second helical gear 10 is achieved, thus achieving the effect of rotating the U-shaped frame 4. Specifically, the first motor 14 drives the third helical gear 12 to rotate. The third helical gear 12 meshes with the second helical gear 10 and rotates. The second helical gear 10 drives the third rotating shaft 9 to rotate, which in turn drives the U-shaped frame 4, which is fixedly connected to the third rotating shaft 9, to rotate, causing the main body 1 of the dimming device to rotate and adjust the angle.

[0030] Please see Figure 1 and Figure 2 The third rotating shaft 9 is movably connected to a fixed frame 11 on its outer side, and L-shaped brackets are fixedly connected to both sides of the fixed frame 11. By setting the above structure, the position of the fixed frame 11 is fixed by the L-shaped brackets, and the third rotating shaft 9 is fixed by the fixed frame 11.

[0031] Please see Figure 1 and Figure 4 The third helical gear 12 is fixedly connected to the fourth rotating shaft 13. One end of the fourth rotating shaft 13 is fixedly connected to the first motor 14. The first motor 14 is fixedly connected to the first motor bracket 16. By setting the above structure, the position of the first motor 14 is fixed by the first motor bracket 16. The first motor 14 drives the fourth rotating shaft 13 to rotate, and the fourth rotating shaft 13 drives the third helical gear 12 to rotate.

[0032] Please see Figure 1 The fourth helical gear 17 is fixedly connected to the fifth rotating shaft 18. One end of the fifth rotating shaft 18 is fixedly connected to the second motor 19. The second motor 19 is fixedly connected to the second motor bracket 20. By setting the above structure, the second motor 19 is fixed in position by the second motor bracket 20. The second motor 19 drives the fifth rotating shaft 18 to rotate, and the rotation of the fifth rotating shaft 18 drives the fourth helical gear 17 to rotate.

[0033] Please see Figure 1 The fourth rotating shaft 13 and the fifth rotating shaft 18 are each movably connected to a bracket 15 at one end, and the two sets of brackets 15 are fixedly connected to the L-shaped brackets on both sides of the fixed frame 11. The bottom of the L-shaped bracket is fixedly connected to a base plate 21. By setting the above structure, the present invention fixes the position of the fourth rotating shaft 13 and the fifth rotating shaft 18 by the brackets 15.

[0034] The working principle of this utility model is as follows: When in use, the base plate 21 is fixedly connected to the tripod, the tripod is placed in the designated position, the angle of the main body 1 of the light-adjusting device is adjusted according to the photographer's requirements, the second motor 19 is started, the second motor 19 drives the fifth rotating shaft 18 to rotate, the fifth rotating shaft 18 drives the fourth helical gear 17 fixedly connected to it to rotate, the fourth helical gear 17 meshes with the first helical gear 8 to rotate, the first helical gear 8 drives the second rotating shaft 7 to rotate, the second rotating shaft 7 drives the second bevel gear 6 to rotate, the second bevel gear 6 meshes with the first bevel gear 5 to rotate, the first bevel gear 5 drives the first rotating shaft 3 to rotate, the first bevel gear 3 drives the main body 1 of the light-adjusting device to rotate, so that the angle of the main body 1 of the light-adjusting device is rotated to the designated position;

[0035] Next, the first motor 14 is started, which drives the third rotating shaft 13 to rotate. The third rotating shaft 13 drives the third helical gear 12, which is fixedly connected to it, to rotate. The third helical gear 12 meshes with the second helical gear 10 and rotates. The second helical gear 10 drives the third rotating shaft 9 to rotate. The rotation of the third rotating shaft 9 drives the U-shaped frame 4 to rotate. The U-shaped frame 4 drives the main body 1 of the dimming device to rotate. When the main body 1 of the dimming device rotates to the designated position, the first motor 14 is turned off, so that the position of the main body 1 of the dimming device is fixed.

[0036] When changing positions to take photos, repeat the above operations to adjust the position of the main body 1 of the dimming device, and cooperate with the photographer to take the photos.

[0037] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A photographic dimming device, comprising a dimming device body (1), characterized in that: The main body (1) of the dimming device is fixedly connected to a slider (2) at the bottom. The slider (2) is movably connected to a first rotating shaft (3). The first rotating shaft (3) is movably connected to a U-shaped frame (4). The first rotating shaft (3) is fixedly connected to a first bevel gear (5). The first bevel gear (5) is movably connected to a second bevel gear (6). The second bevel gear (6) is fixedly connected to a first helical gear (8). The U-shaped frame (4) is fixedly connected to a second helical gear (10). The first helical gear (8) is movably connected to a fourth helical gear (17). The second helical gear (10) is movably connected to a third helical gear (12).

2. The photographic dimming device according to claim 1, characterized in that: The second bevel gear (6) is fixedly connected to the second rotating shaft (7), and the bottom of the second rotating shaft (7) is fixedly connected to the first helical gear (8).

3. The photographic dimming device according to claim 1, characterized in that: The bottom end of the U-shaped frame (4) is fixedly connected to a third rotating shaft (9), and the third rotating shaft (9) is fixedly connected to a second helical gear (10).

4. The photographic dimming device according to claim 3, characterized in that: The third rotating shaft (9) is movably connected to a fixed frame (11) on its outer side, and L-shaped brackets are fixedly connected to both sides of the fixed frame (11).

5. The photographic dimming device according to claim 1, characterized in that: The third helical gear (12) is fixedly connected to the fourth rotating shaft (13), and one end of the fourth rotating shaft (13) is fixedly connected to the first motor (14), and the first motor (14) is fixedly connected to the first motor bracket (16).

6. The photographic dimming device according to claim 1, characterized in that: The fourth helical gear (17) is fixedly connected to the fifth rotating shaft (18), and one end of the fifth rotating shaft (18) is fixedly connected to the second motor (19), and the second motor (19) is fixedly connected to the second motor bracket (20).

7. The photographic dimming device according to claim 5, characterized in that: The fourth rotating shaft (13) and the fifth rotating shaft (18) are each movably connected to a bracket (15) at one end, and the two sets of brackets (15) are fixedly connected to the L-shaped brackets on both sides of the fixed frame (11), and the bottom of the L-shaped bracket is fixedly connected to a base plate (21).