Windproof and rain-tight cover shutter convenient for adjusting air inlet rate
By designing the linkage mechanism and chamfered sealing structure of weather-tight cover blinds, the problem that ship blinds cannot adjust the air inlet volume is solved, and flexible adjustment and improvement of air inlet volume and sealing are achieved.
Patent Information
- Application Number
- CN202422543492.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-21
AI Technical Summary
The fan blades of existing round blinds for ships are fixed structures, which cannot easily adjust the air inlet volume, and lack sealing and functionality.
A weather-tight cover shutter is designed to adjust the angle of the fan blade through a linkage mechanism, including the second rotating shaft, fan blade, fixed column, fixed frame, connecting rod, movable ring, rotor and other components, so as to realize the synchronous rotation and angle adjustment of the fan blade, and combine it with the chamfered sealing structure to improve sealing performance.
It realizes flexible adjustment of the air inlet volume of the blind and improves the sealing ability, which has strong functionality and good sealing ability.
Smart Images

Figure CN223269886U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship accessories, in particular to a weathertight shutter that is convenient for adjusting the air intake. Background Art
[0002] Venetian blinds are a type of window that originated in China and are widely used in many places, such as houses or vehicles. They can ventilate and dissipate heat, provide light, and can also be used for ventilation in various cabins through natural ventilation and mechanical ventilation devices to ensure that the room is filled with fresh air. They are widely used in cabins or decks of various types of passenger ships, cargo ships and naval vessels.
[0003] In the prior art, the blades of circular shutters used on ships are generally fixed structures, and an external sealing cover is provided to close and seal the shutters when it is windy and rainy. Although the closing and sealing effects can be achieved, it is not convenient to adjust the air intake after the shutters are opened, and the functionality is insufficient. Therefore, we have introduced a wind and raintight cover shutter that is easy to adjust the air intake. Utility Model Content
[0004] The purpose of the utility model is to provide a weathertight shutter that is convenient for adjusting the air intake, which is convenient for adjusting the air intake of the shutter, has strong functionality and good sealing performance, so as to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A wind and rainproof shutter cover that is convenient for adjusting the air intake volume includes a fixed frame, a fixed column is fixedly provided in the middle of the fixed frame, the lower side of the circumferential wall of the fixed column is fixedly connected to the inner side wall of the fixed frame by a plurality of connecting rods, a plurality of evenly distributed fan blades are provided between the side wall of the fixed column and the inner wall of the fixed frame, the opposite ends of the plurality of fan blades are rotatably connected to the side wall of the fixed column through a first rotating shaft, the opposite ends of the plurality of fan blades are rotatably connected to the inner wall of the fixed frame through a second rotating shaft, the opposite ends of the plurality of second rotating shafts pass through the outside of the fixed frame, the outside of the fixed frame is rotatably provided with a movable ring located at the lower side of the second rotating shaft, and the movable ring is provided with a linkage mechanism.
[0007] Preferably, the linkage mechanism includes a plurality of guide rods, and the plurality of guide rods are fixedly arranged on the outer ring wall of the movable ring at the second rotating shaft. The outside of the plurality of guide rods is provided with a bar frame, and the upper end of the bar frame is fixedly connected to one end of the corresponding second rotating shaft. The outer wall of the fixed frame is located on the lower side of the movable ring and is fixed with a fixed ring.
[0008] Preferably, a threaded hole is provided on the outer ring wall of the movable ring, a screw rod is provided in the threaded hole, both ends of the screw rod extend to the outside of the threaded hole, and one end of the screw rod abuts against the fixed frame.
[0009] Preferably, one end of the screw away from the movable ring is fixedly connected to a rotating wheel.
[0010] Preferably, the circumferential wall of the rotating wheel is provided with anti-slip grooves.
[0011] Preferably, the upper end of the fan blade is chamfered.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] The wind and raintight shutter with easy adjustment of air intake is provided with a second rotating shaft, fan blades, a first rotating shaft, a fixed column, a fixed frame, a connecting rod, a fixed ring, a movable ring, a rotating wheel, a guide rod, a strip frame and a screw. The rotating wheel is rotated clockwise, and the rotating wheel drives one end of the screw to no longer abut against the fixed frame. The movable ring is rotated, and the movable ring drives multiple strip frames to move through the guide rod. The strip frames drive multiple second rotating shafts to rotate in the same direction, and the second rotating shafts drive multiple fan blades to rotate in the same direction. After adjusting to a suitable angle, the rotating wheel is rotated counterclockwise, and the rotating wheel drives the screw to abut against the fixed frame. At this time, the adjustment is completed. When the multiple fan blades are adjusted to the horizontal, the chamfers can facilitate the fan blades to abut against adjacent fan blades when closed, thereby improving the sealing performance and facilitating the adjustment of the air intake of the shutter. The functionality is strong and the sealing is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The present invention is a structural diagram of a weathertight shutter that is convenient for adjusting the air intake.
[0015] Figure 2 The figure is a side view of a weathertight shutter that is convenient for adjusting the air intake.
[0016] Figure 3 for Figure 1 An enlarged schematic diagram of part A in the figure.
[0017] In the figure: 1. second rotating shaft; 2. fan blade; 3. first rotating shaft; 4. fixed column; 5. fixed frame; 6. connecting rod; 7. fixed ring; 8. movable ring; 9. rotating wheel; 10. guide rod; 11. bar frame; 12. screw. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figures 1 to 3 , the utility model provides a technical solution:
[0020] A wind and raintight shutter cover for adjusting the air intake volume includes a fixed frame 5, a fixed column 4 is fixedly provided in the middle of the fixed frame 5, and the lower side of the circumferential wall of the fixed column 4 is fixedly connected to the inner wall of the fixed frame 5 by multiple connecting rods 6. A plurality of evenly distributed fan blades 2 are provided between the side wall of the fixed column 4 and the inner wall of the fixed frame 5, and the upper end of the fan blade 2 is provided with a chamfer, and a sealing strip is provided at the chamfer. The chamfer can facilitate the fan blade 2 to abut against the adjacent fan blade when closed, thereby improving the sealing. The opposite ends of the multiple fan blades 2 are rotatably connected to the side wall of the fixed column 4 through the first rotating shaft 3, and the opposite ends of the multiple fan blades 2 are rotatably connected to the inner wall of the fixed frame 5 through the second rotating shaft 1. The opposite ends of the multiple second rotating shafts 1 all pass through the outside of the fixed frame 5, and the outside of the fixed frame 5 is rotatably provided with a movable ring 8 located at the lower side of the second rotating shaft 1, and the movable ring 8 is provided with a linkage mechanism.
[0021] The linkage mechanism includes a plurality of guide rods 10, which are fixedly arranged on the outer ring wall of the movable ring 8 at the second rotating shaft 1. The outside of the plurality of guide rods 10 is provided with a strip frame 11, and the upper end of the strip frame 11 is fixedly connected to one end of the corresponding second rotating shaft 1. The outer wall of the fixed frame 5 is located at the lower side of the movable ring 8 and is fixed with a fixed ring 7.
[0022] A threaded hole is formed on the outer ring wall of the movable ring 8 , and a screw rod 12 is threadedly provided in the threaded hole. Both ends of the screw rod 12 extend to the outside of the threaded hole, and one end of the screw rod 12 abuts against the fixed frame 5 .
[0023] The end of the screw 12 away from the movable ring 8 is fixedly connected to the runner 9, which facilitates the rotation of the screw 12. The circumferential wall of the runner 9 is provided with anti-skid grooves, which improve the anti-skid effect of the side wall of the runner 9.
[0024] When adjusting the air intake, rotate the wheel 9 clockwise, and the wheel 9 drives one end of the screw 12 to no longer resist the fixed frame 5. Rotate the movable ring 8, and the movable ring 8 drives multiple bar frames 11 to move through the guide rod 10. The bar frames 11 drive multiple second shafts 1 to rotate in the same direction, and the second shafts 1 drive multiple fan blades 2 to rotate in the same direction. After adjusting to the appropriate angle, rotate the wheel 9 counterclockwise, and the wheel 9 drives the screw 12 to resist the fixed frame 5. At this time, the adjustment is completed. When the multiple fan blades 2 are adjusted to the horizontal, the chamfer can facilitate the fan blades 2 to resist the adjacent fan blades 2 when closed, thereby improving the sealing and facilitating the adjustment of the air intake of the blinds. It has strong functionality and good sealing.
[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A weathertight shutter for facilitating adjustment of air intake, comprising a fixing frame (5), characterized in that: A fixing column (4) is fixedly provided in the middle of the fixing frame (5), and the lower side of the circumferential wall of the fixing column (4) is fixedly connected to the inner side wall of the fixing frame (5) through a plurality of connecting rods (6). A plurality of evenly distributed fan blades (2) are provided between the side wall of the fixing column (4) and the inner wall of the fixing frame (5). The opposite ends of the plurality of fan blades (2) are rotatably connected to the side wall of the fixing column (4) through a first rotating shaft (3), and the opposite ends of the plurality of fan blades (2) are rotatably connected to the inner wall of the fixing frame (5) through a second rotating shaft (1). The opposite ends of the plurality of second rotating shafts (1) pass through the outside of the fixing frame (5), and a movable ring (8) is rotatably provided on the outside of the fixing frame (5) at the lower side of the second rotating shaft (1). A linkage mechanism is provided on the movable ring (8).
2. A weathertight shutter that facilitates adjustment of air intake according to claim 1, characterized in that: The linkage mechanism includes a plurality of guide rods (10), wherein the plurality of guide rods (10) are fixedly arranged on the outer ring wall of the movable ring (8) at the second rotating shaft (1), and the outer sides of the plurality of guide rods (10) are sleeved with a strip frame (11), and the upper end of the strip frame (11) is fixedly connected to one end of the corresponding second rotating shaft (1), and the outer side wall of the fixed frame (5) is located at the lower side of the movable ring (8) and is fixedly provided with a fixed ring (7).
3. The weathertight shutter with easy-to-adjust air intake according to claim 1, characterized in that: A threaded hole is provided on the outer ring wall of the movable ring (8), and a screw rod (12) is provided in the threaded hole. Both ends of the screw rod (12) extend to the outside of the threaded hole, and one end of the screw rod (12) abuts against the fixed frame (5).
4. A weathertight shutter that facilitates adjustment of air intake according to claim 3, characterized in that: One end of the screw rod (12) away from the movable ring (8) is fixedly connected to a rotating wheel (9).
5. A weathertight shutter that facilitates adjustment of air intake according to claim 4, characterized in that: The circumferential wall of the rotating wheel (9) is provided with anti-skid grooves.
6. The weathertight shutter for easily adjusting the air intake according to claim 1, characterized in that: The upper end of the fan blade (2) is provided with a chamfer.