Novel door hinge type shutter return air inlet

By introducing a movable scraper sleeve and limit groove structure into the louver return air outlet, the motor drive drives the scraper sleeve to move outside the fan blade, solving the problem of cumbersome dust accumulation and cleaning and maintenance of the traditional return air outlet, and achieving efficient cleaning and structural protection.

CN222597985UActive Publication Date: 2025-03-11JIANGSU LIFENG AIR CONDITIONING TECH CO LTD
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Patent Information

Application Number
CN202421341108.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-11
Estimated Expiration
2034-06-12

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Abstract

The utility model discloses a novel door hinge type shutter return air inlet which comprises a frame, a plurality of rotating rods are installed on the inner side of the frame in a rotating mode, fan blades are fixedly installed on the outer sides of the rotating rods, gears are fixedly installed on the outer sides of the rotating rods, and a driving assembly used for driving the gears to rotate is installed on the inner side of the frame. A guide column is fixedly installed on the inner side of the frame, a movable plate is slidably installed on the outer side of the guide column, a limiting plate is installed on the bottom face of the movable plate, a movable scraping sleeve is slidably installed on the outer side of the fan blade, a limiting groove is formed in the surface of the movable scraping sleeve, and the limiting plate penetrates through the limiting groove. An adjusting assembly used for driving the moving plate to move is installed on one side of the frame. The adjusting assembly drives the movable scraping sleeve to move on the outer side of the fan blade and scrapes dust attached to the surface of the fan blade, so that the dust falls off or is concentrated on the side face of the movable scraping sleeve, and unified cleaning is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of louver return air vents, in particular to a novel door hinge type louver return air vent. Background Art

[0002] In the ventilation system, the return air vent is an important component, and its design directly affects the indoor air circulation quality and the operating efficiency of the system.

[0003] During long-term use, dust easily accumulates on the surface of the fan blades of traditional return air vents, affecting the ventilation effect. When cleaning and maintaining, the return air vent usually needs to be disassembled, which is a cumbersome cleaning process and easily damages the return air vent structure, reducing the service life of the return air vent. Directly wiping the fan blades has the problem of large cleaning area and low cleaning efficiency. For this reason, we propose a new door-hinged shutter return air vent. Utility Model Content

[0004] The purpose of the utility model is to provide a novel door hinge type shutter return air outlet to solve the problems raised by the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a novel door hinge type shutter return air outlet, comprising a frame, a plurality of rotating rods are rotatably mounted on the inner side of the frame, a fan blade is fixedly mounted on the outer side of the rotating rod, a gear is fixedly mounted on the outer side of the rotating rod, and a driving assembly for driving the plurality of gears to rotate is installed on the inner side of the frame;

[0006] A guide column is fixedly installed on the inner side of the frame, a movable plate is slidably installed on the outer side of the guide column, a limiting plate is installed on the bottom surface of the movable plate, a movable scraper sleeve is slidably installed on the outer side of the fan blade, a limiting groove is provided on the surface of the movable scraper sleeve, the limiting plate passes through the limiting groove, and an adjustment component for driving the movable plate to move is installed on one side of the frame.

[0007] Preferably, the driving assembly includes an electric push rod, an outer rod of the electric push rod is fixedly mounted on the inner side of the frame, an L-shaped connecting plate is fixedly mounted on one end of the inner rod of the electric push rod, a plurality of ruler bars are fixedly mounted on the outer side of the L-shaped connecting plate, and the ruler bars are meshed with adjacent gears.

[0008] Preferably, the ruler bars correspond to the positions of the gears one by one.

[0009] Preferably, the adjustment assembly includes a motor, the motor is mounted on the inner side of the frame, a threaded rod is fixedly mounted on the output end of the motor, the thread of the threaded rod passes through the movable plate, and one end of the threaded rod away from the motor is rotatably mounted on the inner side of the frame.

[0010] Preferably, the motor is fixed on the inner side of the frame by bolts.

[0011] Preferably, the width of the limiting groove matches the width of the limiting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. For the new door hinge type shutter return air vent, turn on the switch of the motor to drive the threaded rod to rotate, thereby driving the movable plate to slide on the outside of the guide column, and the movable plate drives the limit plate to move. The limit plate passes through the inside of the limit groove on the surface of the movable scraper sleeve, thereby driving the movable scraper sleeve to move on the outside of the fan blade, scraping some of the dust attached to the outside of the fan blade to fall off directly, and the other part of the dust is concentrated on the side of the movable scraper sleeve, so that the user can quickly clean the concentrated dust with high cleaning efficiency.

[0014] 2. When the new door hinge type shutter return air vent is used, the switch of the electric push rod is turned on to drive the L-shaped connecting plate to move, and the L-shaped connecting plate drives the ruler to move, thereby driving the gear to rotate through the meshing action, and the gear drives the rotating rod and the fan blade to rotate, thereby changing the rotation angle of the fan blade. It is easy to adjust and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the rear structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the movable scraper sleeve of the utility model;

[0018] Figure 4 This is a schematic diagram of the enlarged structure of A of the utility model;

[0019] Figure 5 It is a schematic diagram of the enlarged structure of B of the utility model.

[0020] In the figure: 1. frame; 2. rotating rod; 3. fan blade; 4. gear; 5. electric push rod; 6. L-shaped connecting plate; 7. ruler; 8. guide column; 9. moving plate; 10. limit plate; 11. motor; 12. threaded rod; 13. movable scraper sleeve; 14. limit groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figure 1-5 As shown, the utility model provides a novel door hinge type shutter return air outlet, comprising a frame 1, a plurality of rotating rods 2 are rotatably mounted on the inner side of the frame 1, a fan blade 3 is fixedly mounted on the outer side of the rotating rod 2, a gear 4 is fixedly mounted on the outer side of the rotating rod 2, and a driving assembly for driving the plurality of gears 4 to rotate is mounted on the inner side of the frame 1;

[0024] A guide column 8 is fixedly installed on the inner side of the frame 1, a movable plate 9 is slidably installed on the outer side of the guide column 8, a limit plate 10 is installed on the bottom surface of the movable plate 9, a movable scraper sleeve 13 is slidably installed on the outer side of the fan blade 3, a limit groove 14 is provided on the surface of the movable scraper sleeve 13, the limit plate 10 passes through the limit groove 14, and an adjustment component for driving the movable plate 9 to move is installed on one side of the frame 1.

[0025] Specifically, the movable scraper sleeve 13 is driven to move outside the fan blade 3 through the adjustment component, and the dust attached to the surface of the fan blade 3 is scraped, so that the dust falls off or is concentrated on the side of the movable scraper sleeve 13, which is convenient for unified cleaning.

[0026] Wherein: the driving assembly includes an electric push rod 5, the outer rod of the electric push rod 5 is fixedly installed on the inner side of the frame 1, an L-shaped connecting plate 6 is fixedly installed on one end of the inner rod of the electric push rod 5, and a plurality of ruler bars 7 are fixedly installed on the outer side of the L-shaped connecting plate 6. The ruler bars 7 are meshed with adjacent gears 4, and the positions of the ruler bars 7 and the gears 4 correspond one to one. When the switch of the electric push rod 5 is turned on, the L-shaped connecting plate 6 and the ruler bars 7 are driven to move, thereby driving the gear 4 to rotate.

[0027] Wherein: the adjustment component includes a motor 11, the motor 11 is installed on the inner side of the frame 1, a threaded rod 12 is fixedly installed on the output end of the motor 11, the thread of the threaded rod 12 passes through the movable plate 9, the end of the threaded rod 12 away from the motor 11 is rotatably installed on the inner side of the frame 1, and the motor 11 is fixed on the inner side of the frame 1 by bolts. When the switch of the motor 11 is turned on, the threaded rod 12 is driven to rotate, thereby driving the movable plate 9 to slide on the outer side of the guide column 8.

[0028] The width of the limiting groove 14 matches the width of the limiting plate 10 , and the limiting plate 10 just passes through the limiting groove 14 , so as to facilitate the movement of the movable scraper sleeve 13 .

[0029] Working principle: The utility model is a new type of door hinge type shutter return air vent. When in use, by turning on the switch of the electric push rod 5, the L-shaped connecting plate 6 is driven to move, and the L-shaped connecting plate 6 drives the ruler 7 to move, thereby driving the gear 4 to rotate through meshing action, and the gear 4 drives the rotating rod 2 and the fan blade 3 to rotate, thereby changing the rotation angle of the fan blade 3;

[0030] Turn on the switch of the motor 11, drive the threaded rod 12 to rotate, thereby drive the movable plate 9 to slide outside the guide column 8, the movable plate 9 drives the limit plate 10 to move, the limit plate 10 passes through the inside of the limit groove 14 on the surface of the movable scraper sleeve 13, thereby driving the movable scraper sleeve 13 to move outside the fan blade 3, scraping part of the dust attached to the outside of the fan blade 3 directly off, and the other part of the dust is concentrated on the side of the movable scraper sleeve 13, so that the user can quickly clean the concentrated dust;

[0031] It is worth noting that when the fan blades 3 rotate, they can drive the movable scraper sleeve 13 to rotate synchronously, and the limiting plate 10 will not leave the limiting groove 14 on the surface of the movable scraper sleeve 13, so that in most angles of the fan blades 3, the movable limiting plate 10 can drive the movable scraper sleeve 13 to move normally.

[0032] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel door hinge type shutter air return vent, comprising a frame (1), characterized in that: A plurality of rotating rods (2) are rotatably mounted on the inner side of the frame (1), a fan blade (3) is fixedly mounted on the outer side of the rotating rod (2), a gear (4) is fixedly mounted on the outer side of the rotating rod (2), and a driving assembly for driving the plurality of gears (4) to rotate is mounted on the inner side of the frame (1); A guide column (8) is fixedly mounted on the inner side of the frame (1), a movable plate (9) is slidably mounted on the outer side of the guide column (8), a limit plate (10) is mounted on the bottom surface of the movable plate (9), a movable scraper sleeve (13) is slidably mounted on the outer side of the fan blade (3), a limit groove (14) is provided on the surface of the movable scraper sleeve (13), the limit plate (10) passes through the limit groove (14), and an adjustment component for driving the movable plate (9) to move is mounted on one side of the frame (1).

2. A novel door hinge type shutter return air vent according to claim 1, characterized in that: The driving assembly comprises an electric push rod (5), an outer rod of the electric push rod (5) is fixedly mounted on the inner side of the frame (1), an L-shaped connecting plate (6) is fixedly mounted on one end of the inner rod of the electric push rod (5), a plurality of ruler bars (7) are fixedly mounted on the outer side of the L-shaped connecting plate (6), and the ruler bars (7) are meshed with adjacent gears (4).

3. A novel door hinge type shutter return air vent according to claim 2, characterized in that: The positions of the ruler (7) and the gear (4) correspond one to one.

4. The novel door hinge type shutter return air vent according to claim 1 is characterized in that: The adjustment assembly comprises a motor (11), the motor (11) is mounted on the inner side of the frame (1), a threaded rod (12) is fixedly mounted on the output end of the motor (11), the thread of the threaded rod (12) passes through the movable plate (9), and one end of the threaded rod (12) away from the motor (11) is rotatably mounted on the inner side of the frame (1).

5. The novel door hinge type shutter return air vent according to claim 4 is characterized in that: The motor (11) is fixedly mounted on the inner side of the frame (1) by means of bolts.

6. The novel door hinge type shutter return air vent according to claim 1, characterized in that: The width of the limiting groove (14) matches the width of the limiting plate (10).

Citation Information

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