A shutter device with anti-theft function
Patent Information
- Application Number
- CN202522306664.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-10-31
AI Technical Summary
[0003]现有的防盗百叶窗在长期使用过程中,叶片表面容易积聚灰尘,由于目前多数百叶窗的叶片旋转角度较为固定,清洁操作受到限制,导致人员清理灰尘时操作不便,不仅增加了操作人员的工作负担,同时也降低了产品的实用性和用户体验;
[0015] This invention uses a drive motor to rotate a drive rod, which in turn rotates a drive assembly. The drive assembly can adjust the tilt angles of blade one and blade two, facilitating subsequent cleaning of blade one and blade two. The movable rod inside the guide plate and the cleaning brush constitute the cleaning assembly. By pulling the movable rod along the guide plate, the cleaning brush can wipe the blade surface, effectively removing dust and stains. The telescopic rod can be adjusted in length through the limiting hole and the limiting rod, allowing cleaning to be completed without the need for a ladder, reducing operational risks.
Smart Images

Figure CN224770101U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of venetian blind technology, and in particular to a venetian blind device with anti-theft function. Background Technology
[0002] The evolution of blinds is a chronicle of humanity's pursuit of light control. The earliest forms of blinds appeared in ancient Chinese architecture, employing a horizontal wooden slat structure to ensure ventilation while blocking direct sunlight. This design was subsequently introduced to Persia via trade routes and further developed in medieval Europe. During the Industrial Revolution in the 19th century, blinds began mass production, with materials expanding from traditional wood to new materials such as metal and plastic. Modern blinds have incorporated intelligent control technology, becoming an indispensable part of modern architecture.
[0003] During long-term use, dust easily accumulates on the surface of the slats of existing anti-theft louvers. Since the rotation angle of the slats of most louvers is relatively fixed, the cleaning operation is limited, making it inconvenient for personnel to clean the dust. This not only increases the workload of the operators, but also reduces the practicality of the product and the user experience.
[0004] Existing ordinary louvered windows generally have large gaps between the slats and low structural strength. Thieves can easily reach into the gaps between the slats from outdoors to pry them open or directly damage the loose slat structure, thereby reaching into the room to steal high-value items and causing direct economic losses to users. Utility Model Content
[0005] The purpose of this utility model is to address the shortcomings mentioned in the background art by proposing a louver device with anti-theft function.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A louver device with anti-theft function includes a fixed frame, a strip sleeve fixedly connected to the middle position inside the fixed frame, a drive motor fixedly installed at the top position in front of the fixed frame, a drive rod fixedly connected to the power output end of the drive motor, and a drive assembly fixedly installed behind the drive rod.
[0008] The drive assembly includes a drive wheel, a connecting rod 1 fixedly connected to the rear of the drive wheel, a drive wheel connected to the outer surface of the drive wheel via a transmission belt, and a connecting rod 2 fixedly connected to the rear of the drive wheel.
[0009] Preferably, a blade is fixedly connected to the rear of both connecting rod one and connecting rod two, and a connecting rod three is fixedly connected to the rear of blade one, with connecting rod three located inside the strip sleeve, and the rear of connecting rod three is fixedly connected to blade two.
[0010] Preferably, the front and rear sides of the left side of the fixed frame are fixedly connected to limit frames, and the interior of the two limit frames is slidably connected to a first protective plate. The upper and lower surfaces of the two first protective plates are provided with sliding grooves, and the two sliding grooves are movably connected to the sliders inside the two limit frames. The interior of the two first protective plates is movably connected to a second protective plate through a guide block.
[0011] Preferably, a push handle is fixedly connected to the left side of each of the two protective plates, and a buckle is fixedly connected to the inner side of each of the two push handles.
[0012] Preferably, a fixing plate is fixedly connected to the front and rear sides of the upper surface of the fixing frame, a guide plate is fixedly connected to the lower surface of the two fixing plates, a receiving frame is fixedly connected to the bottom position in front of the front guide plate, a movable rod is movably connected inside the two guide plates, and a cleaning brush is fixedly provided on the outer surface of the movable rod.
[0013] Preferably, a fixed ring is movably connected to the front of the movable rod, and a telescopic rod is fixedly connected to the lower surface of the fixed ring. A limit hole is formed on the outer surface of the telescopic rod, and a limit rod is inserted into the inside of the limit hole.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] This invention uses a drive motor to rotate a drive rod, which in turn rotates a drive assembly. The drive assembly can adjust the tilt angles of blade one and blade two, facilitating subsequent cleaning of blade one and blade two. The movable rod inside the guide plate and the cleaning brush constitute the cleaning assembly. By pulling the movable rod along the guide plate, the cleaning brush can wipe the blade surface, effectively removing dust and stains. The telescopic rod can be adjusted in length through the limiting hole and the limiting rod, allowing cleaning to be completed without the need for a ladder, reducing operational risks.
[0016] The limiting frame on the left side of the fixed frame, together with protective plate one and protective plate two, form the first anti-theft barrier. Protective plate one slides along the limiting frame, and protective plate two extends and retracts inside protective plate one through the guide block. When closed, it can completely cover the left opening of the louver. With the help of the buckle on the inside of the push handle, it can effectively prevent outsiders from entering the room by prying open the louver blades. Attached Figure Description
[0017] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.
[0018] Figure 1 This is a schematic diagram of the structure of a louver device with anti-theft function proposed in this utility model;
[0019] Figure 2 This is a cross-sectional view of the internal structure of the telescopic rod proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the fixed frame structure proposed in this utility model;
[0021] Figure 4 This is a schematic diagram of the drive component structure proposed in this utility model;
[0022] Figure 5 The present utility model proposes Figure 3 Enlarged view of the structure at point A in the middle.
[0023] In the diagram: 1. Fixed frame; 2. Strip sleeve; 3. Drive motor; 4. Drive rod; 5. Drive assembly; 6. Drive wheel; 7. Connecting rod one; 8. Transmission belt; 9. Transmission wheel; 10. Connecting rod two; 11. Blade one; 12. Connecting rod three; 13. Blade two; 14. Limiting frame; 15. Protective plate one; 16. Slide groove; 17. Protective plate two; 18. Hand push handle; 19. Buckle; 20. Fixed plate; 21. Guide plate; 22. Support frame; 23. Movable rod; 24. Cleaning brush; 25. Fixing ring; 26. Telescopic rod; 27. Limiting hole; 28. Limiting rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0025] Example 1
[0026] Reference Figure 1-5 A louver device with anti-theft function includes a fixed frame 1, a strip sleeve 2 fixedly connected to the middle position inside the fixed frame 1, a drive motor 3 fixedly installed at the top position in front of the fixed frame 1, a drive rod 4 fixedly connected to the power output end of the drive motor 3, and a drive assembly 5 fixedly installed behind the drive rod 4.
[0027] The drive assembly 5 includes a drive wheel 6, with a connecting rod 7 fixedly connected to the rear of the drive wheel 6. A transmission wheel 9 is connected to the outer surface of the drive wheel 6 via a transmission belt 8, and a connecting rod 10 is fixedly connected to the rear of the transmission wheel 9. The fixed frame 1 serves as the mounting base for the overall structure, and its internal strip sleeve 2 provides limiting support for the subsequent blade linkage components. When it is necessary to adjust the state of the louver blades, the drive motor 3 at the top front is activated. The motor transmits power to the drive rod 4 at the power output end, which further drives the drive assembly 5 to rotate. The drive assembly 5 serves as the core of power transmission. Power is distributed through the cooperation of the drive wheel 6 and the transmission wheel 9. The drive wheel 6 rotates under the drive rod 4, and at the same time, the transmission belt 8 on the outer surface drives the transmission wheel 9 to rotate synchronously. The drive wheel 6 transmits the rotational power to the corresponding blade structure through the connecting rod 7 at the rear, and the transmission wheel 9 transmits the rotational power to the corresponding blade structure through the connecting rod 10 at the rear, thus realizing the rotation of the blades and meeting the needs of opening, closing or adjusting the angle of the louvers. The strip sleeve 2 plays a stabilizing and guiding role in the blade linkage process to prevent the components from shifting.
[0028] Both connecting rod 7 and connecting rod 2 are fixedly connected to the rear of blade 11. Connecting rod 3 is fixedly connected to the rear of blade 11, and connecting rod 3 is located inside the strip sleeve 2. Connecting rod 3 is fixedly connected to blade 2 13. Connecting rod 7 and connecting rod 2 10 respectively receive the rotational power of drive wheel 6 and transmission wheel 9 in drive assembly 5. Blade 11, which is fixed to the rear of both, will rotate synchronously with the rotation of the connecting rod. At the same time, blade 11 is connected to blade 2 13 through connecting rod 3 12, so that the rotational power of blade 11 can be transmitted to blade 2 13, causing blade 2 13 to move synchronously. The strip sleeve 2, located inside the fixed frame 1, limits and guides the connecting rod 3 12 that passes through it, preventing the connecting rod 3 12 from deviating when it drives blade 2 13 to rotate. Finally, blade 11 and blade 2 13 rotate stably and synchronously, ensuring the smooth opening, closing or angle adjustment of the louver.
[0029] The front and rear sides of the left side of the fixed frame 1 are fixedly connected to the limit frame 14. The interior of the two limit frames 14 is slidably connected to the protective plate 15. The upper and lower surfaces of the two protective plates 15 are provided with the sliding groove 16, and the two sliding grooves 16 are movably connected to the slider inside the two limit frames 14. The interior of the two protective plates 15 is movably connected to the protective plate 2 17 through the guide block. The guide block plays a guiding role, allowing the protective plate 2 17 to flexibly extend and retract inside the protective plate 15. By sliding the protective plate 15 along the limit frame 14 and extending and retracting the protective plate 2 17 inside the protective plate 15, the overall coverage of the protective structure can be adjusted to achieve the anti-theft function and add an anti-theft barrier to the louver.
[0030] Handle 18 is fixedly connected to the left side of the two protective plates 17. Buckle 19 is fixedly connected to the inner side of the two handle 18. The handle 18 fixed to the left side of the protective plate 17 is the core operating component, providing a force point for the extension and retraction of the protective plate. By holding the handle 18, the operator can easily push the protective plate 17 to extend and retract within the protective plate 15, or drive the protective plate 15 to slide along the limiting frame 14, so as to realize the unfolding and retraction of the protective structure.
[0031] The buckle 19 fixed inside the push handle 18 serves as an anti-theft locking function. When the first protective plate 15 and the second protective plate 17 are unfolded to completely cover the louver protection area, pushing the push handle 18 can make the buckle 19 tightly engage with the edge of the fixed frame 1. The mechanical locking structure of the buckle 19 restricts the movement of the protective plate, preventing external personnel from easily pushing the protective plate open, thus forming a stable anti-theft barrier.
[0032] Fixed plates 20 are fixedly connected to the front and rear sides of the upper surface of the fixed frame 1. Guide plates 21 are fixedly connected to the lower surfaces of the two fixed plates 20. A support frame 22 is fixedly connected to the bottom position in front of the front guide plate 21. Movable rods 23 are movably connected inside the two guide plates 21. A cleaning brush 24 is fixedly installed on the outer surface of the movable rods 23. The fixed plates 20 on the front and rear sides of the upper surface of the fixed frame 1 provide the installation base for the cleaning structure. The guide plates 21 fixed on their lower surfaces and the movable rods 23 movably connected inside can slide along the guide plates 21. The guide plates 21 restrict the movement trajectory of the movable rods 23, ensuring that they can only slide smoothly along the blade arrangement direction and avoid deviation that affects the cleaning effect.
[0033] The cleaning brush 24 fixed on the outer surface of the movable rod 23 can fit against the surface of the louver blades during the sliding of the movable rod 23. The brush bristles remove dust and stains through contact friction with the blades. The support frame 22 at the bottom of the front guide plate 21 can support the movable rod 23 when the cleaning structure is not in use, realizing the storage and positioning of the cleaning components, which avoids taking up extra space and makes it convenient for the next use.
[0034] A fixed ring 25 is movably connected to the front of the movable rod 23. A telescopic rod 26 is fixedly connected to the lower surface of the fixed ring 25. A limit hole 27 is opened on the outer surface of the telescopic rod 26. A limit rod 28 is inserted into the inside of the limit hole 27. The fixed ring 25 movably connected to the front of the movable rod 23 serves as a connection, linking the telescopic rod 26 with the movable rod 23. The operator can indirectly drive the movable rod 23 to slide along the guide plate 21 by pushing or pulling the telescopic rod 26, without having to directly contact the movable rod 23, thus solving the problem of inconvenience in operation at high or long distances.
[0035] The telescopic rod 26 can be flexibly adjusted in length according to the operator's height and the height of the louvers. When adjusting, first pull out the limiting rod 28, stretch or retract the telescopic rod 26 to the appropriate length, and then insert the limiting rod 28 into the corresponding limiting hole 27 to fix the length of the telescopic rod 26. Through the coordinated operation of the fixing ring 25, the telescopic rod 26 length adjustment, and the limiting rod 28 locking, the cleaning operation in different scenarios is more labor-saving and flexible, further improving the practicality of the cleaning structure.
[0036] During long-term use, dust easily accumulates on the surface of the slats of existing anti-theft louvers. Since the rotation angle of the slats of most louvers is relatively fixed, the cleaning operation is limited, making it inconvenient for personnel to clean the dust. This not only increases the workload of the operators, but also reduces the practicality of the product and the user experience.
[0037] Existing ordinary louvers generally have large gaps between the slats and low structural strength. Thieves can easily reach into the gaps between the slats from outdoors to pry them open or directly damage the loose slat structure, thereby reaching into the room to steal high-value items and causing direct economic losses to users.
[0038] When the operator uses the device, they first start the drive motor 3. The motor drives the drive assembly 5 through the drive rod 4, and the drive wheel 6 rotates. The drive wheel 9 rotates synchronously through the transmission belt 8. The drive wheel 6 drives the blade 11 to rotate through the connecting rod 7 and the transmission wheel 9 through the connecting rod 2 10. The blade 11 then drives the blade 2 13 to rotate synchronously through the connecting rod 3 12. When the motor rotates, the blade 11 and the blade 2 13 rotate from being completely closed to being completely open, thus opening the window for ventilation. As the motor continues to rotate, the blade 11 and the blade 2 13 continue to rotate, rotating the outer side to the inner side, making it easier for the operator to clean both sides of the blade 11 and the blade 2 13.
[0039] The operator can hold the push handle 18 on the left side of the second protective plate 17 and push the second protective plate 17 inward along the guide block inside the first protective plate 15 until the second protective plate 17 completely covers the opening of the louver. Push the push handle 18 to make the buckle 19 on the inside engage and lock with the edge of the fixed frame 1. At this time, the first protective plate 15 and the second protective plate 17 form the first anti-theft barrier, and the tight closure of the first blade 11 and the second blade 13 forms the second barrier. This can prevent thieves from easily reaching into the room from outside to pry the blades by inserting tools into the gaps between the blades or directly destroying the loose blade structure to steal high-value items. When it is necessary to deactivate the anti-theft, release the buckle 19, hold the push handle 18 and retract the second protective plate 17 into the first protective plate 15 without affecting the normal opening and closing of the louver and its appearance.
[0040] Furthermore, the operator can remove the limiting rod 28 on the telescopic rod 26, stretch or retract the telescopic rod 26 to the appropriate height, and then insert the limiting rod 28 into the corresponding limiting hole 27 to fix the length of the telescopic rod 26. The telescopic rod 26 is connected to the movable rod 23 through the fixing ring 25. By holding the telescopic rod 26, the movable rod 23 can be slid along the guide plate 21. Holding the telescopic rod 26, the movable rod 23 can be pushed up and down along the guide plate 21. The cleaning brush 24 on the outer surface of the movable rod 23 is attached to the surface of blade 11 and blade 23 to wipe away dust and stains. After cleaning, the movable rod 23 is returned to the receiving frame 22 for easy use next time. Thus, the cleaning of blade 11 and blade 23 can be completed without the need for a ladder, reducing the operational risk.
[0041] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A shutter device with anti-theft function, comprising a fixed frame (1), characterized in that: A strip sleeve (2) is fixedly connected to the middle position inside the fixed frame (1), a drive motor (3) is fixedly installed at the top position in front of the fixed frame (1), a drive rod (4) is fixedly connected to the power output end of the drive motor (3), and a drive assembly (5) is fixedly installed behind the drive rod (4). The drive assembly (5) includes a drive wheel (6), a connecting rod (7) is fixedly connected to the rear of the drive wheel (6), and a transmission wheel (9) is connected to the outer surface of the drive wheel (6) via a transmission belt (8). A connecting rod (10) is fixedly connected to the rear of the transmission wheel (9).
2. The shutter device with the anti-theft function according to claim 1, characterized in that, Both connecting rod 1 (7) and connecting rod 2 (10) are fixedly connected to blade 1 (11), and connecting rod 3 (12) is fixedly connected to the rear of blade 1 (11). Connecting rod 3 (12) is located inside the strip sleeve (2), and connecting rod 3 (12) is fixedly connected to blade 2 (13) at the rear.
3. The shutter device with the anti-theft function according to claim 1, characterized in that, The front and rear sides of the left side of the fixed frame (1) are fixedly connected to the limit frame (14). The two limit frames (14) are slidably connected to the interior of the first protective plate (15). The upper and lower surfaces of the two first protective plates (15) are provided with sliding grooves (16), and the two sliding grooves (16) are movably connected to the sliders inside the two limit frames (14). The interior of the two first protective plates (15) is movably connected to the second protective plate (17) through guide blocks.
4. The louver device with anti-theft function according to claim 3, characterized in that, A push handle (18) is fixedly connected to the left side of the two protective plates (17), and a buckle (19) is fixedly connected to the inner side of the two push handles (18).
5. The louver device with anti-theft function according to claim 1, wherein, Fixed plates (20) are fixedly connected to the front and rear sides of the upper surface of the fixed frame (1). Guide plates (21) are fixedly connected to the lower surfaces of the two fixed plates (20). A support frame (22) is fixedly connected to the bottom position in front of the front guide plate (21). Movable rods (23) are movably connected inside the two guide plates (21). A cleaning brush (24) is fixedly installed on the outer surface of the movable rods (23).
6. The louver device with anti-theft function according to claim 5, characterized in that, A fixed ring (25) is movably connected to the front of the movable rod (23). A telescopic rod (26) is fixedly connected to the lower surface of the fixed ring (25). A limit hole (27) is opened on the outer surface of the telescopic rod (26). A limit rod (28) is inserted into the inside of the limit hole (27).