A blind angle adjusting device

CN224849826UActive Publication Date: 2026-10-13WAREMA SHADING SYST EQUIP (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202522483901.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-24
Publication Date
2026-10-13
Estimated Expiration
2035-11-24

AI Technical Summary

Technical Problem

[0003]目前,市场上绝大多数的百叶帘角度调节装置,只能实现多个叶片同时进行角度调节,难以对单个叶片进行单独调节,多个叶片同时调节就难以实现对特定区域隐私的针对性保护,易导致在靠近他人视线的特定区域隐私暴露,而其他安全区域却因整体调节过度遮挡,影响室内采光与通风效果

Benefits of technology

(1)本实用新型通过单个调节组件能够实现对每片副叶片的独立角度控制,可根据不同区域的采光、通风及隐私需求进行调节,解决了传统百叶帘多叶片同步调节导致的功能冲突问题,且通过阻尼轴承的顺滑转动与定位特性,确保了调节过程的流畅性与角度固定的稳定性,避免了角度偏移,整体提升了百叶帘的使用灵活性、功能性与维护便捷性;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of louver blind, specifically disclose a louver blind angle adjusting device. The utility model discloses the one side of mounting bracket is equipped with a plurality of main vane, the inside of a plurality of main vane all is equipped with single adjusting component, and every single adjusting component all includes side vane and two side leaves, and every side vane is located between corresponding two side leaves respectively, and every side vane realizes single angle adjustment through single rotation, and through single adjusting component can realize the independent angle control of every piece side vane, can adjust according to the lighting, ventilation and privacy demand of different area, solved the functional conflict problem that traditional louver blind multi -vane synchronous regulation led, and through the smooth rotation and positioning characteristics of damper bearing, ensured the fluency of the adjustment process and the stability of angle fixed, avoided the angle excursion, overall promoted the use flexibility, functionality and maintenance convenience of louver blind.
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Description

Technical Field

[0001] This application relates to the field of Venetian blind technology, and more specifically, to a Venetian blind angle adjustment device. Background Technology

[0002] In the field of modern architectural decoration, Venetian blinds, as a sunshade and light-regulating product that combines aesthetics and practicality, are widely used in various spaces such as residences, offices, and commercial venues. Venetian blinds consist of numerous slats; by adjusting the angle of the slats, the amount of light entering the room can be flexibly controlled to meet people's needs for light intensity and direction at different times and in different usage scenarios. At the same time, Venetian blinds can also protect indoor privacy to a certain extent, and their diverse materials, colors, and styles add more choices to the decorative style of interior spaces.

[0003] Currently, most Venetian blind angle adjustment devices on the market can only adjust the angle of multiple blades at the same time, making it difficult to adjust a single blade individually. Adjusting multiple blades at the same time makes it difficult to provide targeted protection for privacy in specific areas, which can easily lead to privacy exposure in specific areas that are close to others' line of sight, while other safe areas are excessively blocked due to overall adjustment, affecting indoor lighting and ventilation. Utility Model Content

[0004] To address the aforementioned problems, this application provides a Venetian blind angle adjustment device.

[0005] The venetian blind angle adjustment device provided in this application adopts the following technical solution: A Venetian blind angle adjustment device includes a mounting frame, with multiple main blades on one side of the mounting frame, and each of the multiple main blades having a single adjustment component inside. Each individual adjustment component includes a secondary blade and two side blades. Each secondary blade is located between the corresponding two side blades, and each secondary blade can achieve a single angle adjustment by rotating individually.

[0006] Furthermore, each side blade is fixedly connected to a fixing strip on the side closest to the corresponding sub-blade, and a fixing ring is fixedly connected to one side of each fixing strip.

[0007] Furthermore, each secondary blade has threaded posts on both sides, and each fixing ring has a threaded groove on one side, with each threaded post threadedly connected to the corresponding threaded groove.

[0008] Furthermore, a drive ring is fixedly connected to one side of the outer wall of each threaded post, and the outer wall of each drive ring is provided with raised patterns.

[0009] Furthermore, each drive ring has a fixed post on one side, and each fixed post is rotatably connected to the corresponding drive ring through a damping bearing.

[0010] The above technical solution enables independent angle control of each sub-blade through a single adjustment component, which can be adjusted according to the lighting, ventilation and privacy needs of different areas.

[0011] Furthermore, each fixed column is fixedly connected to one side of a mounting column, and each secondary blade has mounting grooves on both sides.

[0012] Furthermore, each mounting post is inserted into its corresponding mounting slot with an interference fit.

[0013] Furthermore, each mounting post and mounting slot is square in shape.

[0014] The above technical solution allows for easy deep cleaning of individual sub-blades to maintain their cleanliness by disassembling the sub-blades. It also facilitates the individual replacement of damaged blades without replacing the entire venetian blind, significantly reducing maintenance costs.

[0015] In summary, this application includes at least one of the following beneficial technical effects: (1) This utility model can achieve independent angle control of each sub-blade through a single adjustment component. It can be adjusted according to the lighting, ventilation and privacy needs of different areas, which solves the functional conflict problem caused by the synchronous adjustment of multiple blades in traditional Venetian blinds. Furthermore, through the smooth rotation and positioning characteristics of the damping bearing, the smoothness of the adjustment process and the stability of the angle fixation are ensured, avoiding angle deviation. Overall, it improves the flexibility, functionality and ease of maintenance of Venetian blinds. (2) With the detachable secondary blades, the operator can easily complete the disassembly and assembly without the aid of any tools, simply by pinching the textured drive ring. This simplifies the maintenance process and avoids scratching damage to the parts by tools. The detachable nature of the threaded connection allows the secondary blades to be quickly removed from between the side blades, making it convenient to perform deep cleaning of individual secondary blades to keep them clean. It also makes it easy to replace damaged blades individually without replacing the entire blind, which greatly reduces maintenance costs. At the same time, users can change the secondary blades of different materials and colors according to their needs or decorative style, which improves the product's personalization and adaptability, and further enhances the practicality and service life of the blind. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the side blades and auxiliary blades of this utility model; Figure 3 This is a schematic diagram of the overall structure of the connection between the side blade and the auxiliary blade of this utility model. Figure 4 This is a schematic diagram of the connection structure between the side blades and auxiliary blades of this utility model; Figure 5 This is a schematic diagram of the overall structure of the drive ring and square column of this utility model; Figure 6 This is a schematic diagram of the overall structure of the square slot of this utility model.

[0017] Explanation of reference numerals in the attached drawings: 1. Mounting bracket; 2. Main blade; 3. Secondary blade; 4. Fixing strip; 5. Fixing ring; 6. Fixing post; 7. Threaded post; 8. Drive ring; 9. Mounting post; 10. Mounting groove; 11. Threaded groove; 12. Side blade. Detailed Implementation

[0018] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0019] Reference Figures 1-6 A Venetian blind angle adjustment device includes a mounting frame 1, with multiple main blades 2 on one side of the mounting frame 1, and each of the multiple main blades 2 having a single adjustment component inside. Each individual adjustment component includes a secondary blade 3 and two side blades 12. Each secondary blade 3 is located between the corresponding two side blades 12. Each secondary blade 3 achieves a single angle adjustment by rotating individually.

[0020] Reference Figures 1-6 Each side blade 12 is fixedly connected to a fixing strip 4 on the side near the corresponding sub-blade 3. Each fixing strip 4 is fixedly connected to a fixing ring 5 on one side. Each sub-blade 3 has threaded posts 7 on both sides. Each fixing ring 5 has a threaded groove 11 on one side. Each threaded post 7 is threadedly connected to the corresponding threaded groove 11. Each threaded post 7 is fixedly connected to a driving ring 8 on one side of its outer wall. Each driving ring 8 has raised textures on its outer wall. Each driving ring 8 has a fixing post 6 on one side. Each fixing post 6 is rotatably connected to the corresponding driving ring 8 through a damping bearing. Each fixing post 6 is fixedly connected to a mounting post 9 on one side. Each sub-blade 3 has a mounting groove 10 on both sides. Each mounting post 9 is inserted into the corresponding mounting groove 10 with an interference fit. Each mounting post 9 and mounting groove 10 is square in shape.

[0021] The overall drive mechanism of the Venetian blind is the existing manual Venetian blind drive mechanism, which is to achieve overall lifting and lowering through a pull rope assembly set on one side of the mounting frame 1. One end of the pull rope is connected to the transmission mechanism at the top of the main blade 2, and the other end extends to the operating height. Pulling the pull rope can drive all the main blades 2 to rise or fall synchronously along the mounting frame 1, realizing the overall opening and closing of the Venetian blind. At the same time, it is equipped with a steering device or an independent angle adjustment rope. By rotating the steering device or pulling the adjustment rope, all the main blades 2 can be driven to rotate synchronously to meet the overall angle adjustment needs. This complements the independent adjustment function of the individual auxiliary blades 3, taking into account both the overall ease of operation and the precision of local adjustment (the drive component inside the mounting frame 1 is existing technology and is not shown in the figure).

[0022] The angle of a single auxiliary blade 3 can be adjusted using a single adjustment component, and it is easy to disassemble. The specific operation is as follows: First, the operator pinches any edge of the auxiliary blade 3 with their fingers and applies rotational force in the direction to be adjusted (e.g., clockwise or counterclockwise). Because the mounting grooves 10 on both sides of the auxiliary blade 3 and the mounting post 9 have a square interference fit, this fit structure completely restricts the relative rotation between them, allowing the rotational force to be directly transmitted to the mounting post 9, thereby driving the fixed post 6, which is fixedly connected to the mounting post 9, to rotate synchronously. At this time, the fixed post 6 rotates around the damping bearing connected to the drive ring 8, while the drive ring 8, due to its connection with the threaded post 7... The threaded column 7 and the threaded groove 11 of the fixed ring 5 are locked (without rotation adjustment), so the drive ring 8 remains stationary throughout the process. During this process, the damping bearing plays a key role. It can ensure the smoothness of the rotation of the fixed column 6 and avoid jamming. It can also provide stable resistance through its own damping characteristics, so that the secondary blade 3 can be positioned immediately after rotating to any angle without shifting due to its own weight or slight vibration. Furthermore, the square interference fit between the mounting column 9 and the mounting groove 10 ensures the precise transmission of force and avoids free rotation during adjustment. Ultimately, it achieves precise individual angle control of the secondary blade 3 within the range of 0°-180°.

[0023] Each sub-blade 3 can be independently adjusted using a single adjustment component, allowing for adjustments based on the lighting, ventilation, and privacy needs of different areas. For example, sub-blades 3 in specific areas near the outside view can be adjusted to a closed state to ensure privacy, while maintaining appropriate angles for sub-blades 3 in other areas to ensure lighting and ventilation. This solves the functional conflict problem caused by the synchronous adjustment of multiple blades in traditional Venetian blinds. Furthermore, the smooth rotation and positioning characteristics of the damping bearing ensure the smoothness of the adjustment process and the stability of the angle fixation, avoiding angle deviation. At the same time, the square interference fit mounting column 9 and mounting groove 10 ensure the accuracy of force transmission and prevent free rotation, thus improving the overall flexibility, functionality, and ease of maintenance of the Venetian blinds.

[0024] When disassembling the auxiliary blade 3, the specific operation method is as follows: First, the operator pinches the raised texture on the outer wall of the drive ring 8 with their fingers. The raised texture greatly increases the friction between the hand and the drive ring 8, preventing slippage when applying force and facilitating efficient force application. Then, the operator rotates the drive ring 8 in the direction of thread loosening (e.g., counterclockwise). Since the drive ring 8 and the threaded post 7 are fixedly connected, the rotation of the drive ring 8 will directly drive the threaded post 7 to rotate synchronously. At this time, the threaded post 7 and the threaded groove 11 of the fixed ring 5 undergo relative helical motion. As the rotation continues, the threaded post 7 gradually unscrews out of the threaded groove 11. The threaded connection is gradually released. When the threaded post 7 is completely disengaged from the threaded groove 11, the core connection structure between the two sides of the auxiliary blade 3 and the side blade 12 is broken. At the same time, the interference fit between the mounting groove 10 of the auxiliary blade 3 and the mounting post 9 is also naturally separated as the threaded post 7 is disengaged. At this time, the auxiliary blade 3 can be completely removed from between the two side blades 12 by gently pulling it. The entire disassembly process does not require any tools. The combination of the detachability of the threaded connection and the convenience of the convex drive simplifies the operation and avoids damage to the parts by tools, making it convenient to clean, replace or maintain the auxiliary blade 3 in the future.

[0025] By disassembling the secondary blades 3, operators can easily complete the disassembly and assembly without any tools, simply by pinching the textured drive ring 8. This simplifies the maintenance process, avoids scratching damage to the components by tools, and the removable nature of the threaded connection allows the secondary blades 3 to be quickly removed from between the side blades 12. This facilitates deep cleaning of individual secondary blades 3 to maintain cleanliness and also makes it easy to replace damaged blades individually without replacing the entire Venetian blind, significantly reducing maintenance costs. At the same time, users can replace the secondary blades 3 with different materials and colors according to their usage needs or decorative style, improving the product's personalization and adaptability, and further enhancing the practicality and service life of the Venetian blinds.

[0026] By using the square mounting post 9, when the damping bearing experiences problems such as rotational jamming or positioning failure, the threaded post 7, drive ring 8, fixed post 6, and mounting post 9 can be easily replaced as a whole. This eliminates the need for complex step-by-step disassembly operations, reduces maintenance time, and avoids the scrapping of the entire product due to the failure of small local components. This significantly reduces the time and economic costs of later maintenance, while ensuring that the venetian blind can quickly restore its normal adjustment function and extend its overall service life.

[0027] Working principle: After the entire device is fixed by the mounting bracket 1, when it is necessary to adjust the angle of a single auxiliary blade 3, the operator directly pinches the edge of the auxiliary blade 3 to apply rotational force. With the help of the square interference fit between the auxiliary blade 3 and the mounting column 9, the rotational force is accurately transmitted to the fixed column 6, causing the fixed column 6 to rotate around the damping bearing connected to the drive ring 8 (the drive ring 8 is stationary because the threaded column 7 and the threaded groove 11 of the fixed ring 5 are locked). The damping bearing ensures smooth rotation and instant positioning, ultimately achieving individual precise angle adjustment of the auxiliary blade 3 from 0° to 180°. When it is necessary to clean or replace the auxiliary blade 3 or repair the damping bearing, first pinch the outer wall of the drive ring 8 and rotate it in the direction of thread loosening, so that the threaded post 7 can be screwed out from the threaded groove 11 of the fixed ring 5, thus disconnecting the auxiliary blade 3 from the side blade 12. Then pull the auxiliary blade 3 to separate its mounting groove 10 from the mounting post 9, and the auxiliary blade 3 can be removed. If the damping bearing fails, the entire assembly consisting of threaded post 7, drive ring 8, fixed post 6, and mounting post 9 can be replaced directly. After replacement, reassembly will restore the normal adjustment function of the device. No complicated tools are required throughout the process, which balances adjustment accuracy and maintenance convenience.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A Venetian blind angle adjustment device, comprising a mounting bracket (1), characterized in that, The mounting frame (1) has multiple main blades (2) on one side, and each of the multiple main blades (2) has a single adjustment component inside; Each individual adjustment component includes a sub-blade (3) and two side blades (12), each of the sub-blades (3) being located between the corresponding two side blades (12), and each sub-blade (3) achieving a single angle adjustment by rotating individually.

2. The Venetian blind angle adjustment device according to claim 1, characterized in that: Each of the side blades (12) is fixedly connected to a fixing strip (4) on the side near the corresponding sub-blade (3), and each of the fixing strips (4) is fixedly connected to a fixing ring (5) on one side.

3. The Venetian blind angle adjustment device according to claim 2, characterized in that: Each of the sub-blades (3) is provided with threaded posts (7) on both sides, and each of the fixed rings (5) is provided with a threaded groove (11) on one side. Each of the threaded posts (7) is threadedly connected to the corresponding threaded groove (11).

4. The Venetian blind angle adjustment device according to claim 3, characterized in that: Each of the threaded posts (7) has a drive ring (8) fixedly connected to one side of its outer wall, and each of the drive rings (8) has raised patterns on its outer wall.

5. The Venetian blind angle adjustment device according to claim 4, characterized in that: Each of the drive rings (8) is provided with a fixed post (6) on one side, and each fixed post (6) is rotatably connected to the corresponding drive ring (8) through a damping bearing.

6. The Venetian blind angle adjustment device according to claim 5, characterized in that: Each of the fixed columns (6) is fixedly connected to one side of a mounting column (9), and each of the auxiliary blades (3) is provided with mounting grooves (10) on both sides.

7. The Venetian blind angle adjustment device according to claim 6, characterized in that: Each of the mounting posts (9) is inserted into the corresponding mounting slot (10) with an interference fit.

8. The Venetian blind angle adjustment device according to claim 6, characterized in that: Each of the mounting posts (9) and mounting slots (10) is square in shape.