Automatic ventilation system for rack and pinion skylights in solar greenhouses

Abstract

This utility model provides an automatic ventilation device for a rack and pinion skylight in a solar greenhouse, belonging to the technical field of automatic skylight ventilation devices. It includes: a frame, with multiple round rods fixedly connected to its inner cavity. Greenhouse film one and greenhouse film two are laid on the multiple round rods and the frame. A movable plate is fixedly connected to the lower end of greenhouse film two, and a flipping plate is fixedly connected below the movable plate. The bottom of the flipping plate is movably connected to an adjacent round rod, and two arc-shaped racks are movably mounted on the flipping plate. A drive motor drives two gears on a drive shaft to rotate, and the two gears respectively drive the corresponding arc-shaped racks to move. The two arc-shaped racks lift the flipping plate, causing the flipping plate to push the movable plate in an arc-shaped motion. The movable plate drives the sealing strip and greenhouse film two to move synchronously, opening a ventilation area above the frame to achieve the purpose of ventilation. The operation is convenient, and the sealing strip ensures a good seal during subsequent resetting.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic ventilation equipment for skylights, specifically an automatic ventilation equipment for rack and pinion skylights in solar greenhouses. Background Technology

[0002] Currently, the main type of ventilation equipment for solar greenhouses is the roll-up ventilation system. This type of equipment mainly consists of a roll-up shaft, a geared motor, a fixed hinge device, and a telescopic guide. The motor drives the roll-up shaft to rotate, thus rolling up or lowering the film and controlling the size of the ventilation opening. While relatively simple to operate, it also has several drawbacks. First, due to the excessive length of the roll-up shaft, repeated operation can lead to poor sealing and incomplete closure of the ventilation opening. Second, after prolonged operation, the flatness of the greenhouse film at the ventilation opening is affected, making it prone to rainwater accumulation. Combined with poor sealing, rainwater can drip into the greenhouse, affecting crop growth and manual operation.

[0003] The pull-rope ventilation device also controls the opening of the vents by a roller, and the power is manually controlled by the roller. This ventilation method is prone to uneven pulling force during operation, or the greenhouse film being caught on the greenhouse steel frame, which can easily tear the greenhouse film. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an automatic ventilation device for rack and pinion skylights in solar greenhouses.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic ventilation device for a solar greenhouse with a rack and pinion skylight, comprising: a frame, wherein multiple round rods are fixedly connected to the inner cavity of the frame, and a first greenhouse film and a second greenhouse film are laid together on the multiple round rods and the frame, a movable plate is fixedly connected to the lower end of the second greenhouse film, a flipping plate is fixedly connected below the movable plate, the bottom of the flipping plate is movably connected to an adjacent round rod, and two arc-shaped racks are movably installed on the flipping plate, the bottom of the two arc-shaped racks both extend to the bottom of the frame, and gears are meshed on the outer sides of the two arc-shaped racks, a drive shaft is fixedly connected through the two gears, and a motor is fixedly connected to one end of the drive shaft.

[0008] Preferably, a fixing seat is fixedly connected to the outer wall of the motor, and the fixing seat is fixedly connected to the bottom of the frame.

[0009] Preferably, a support block is rotatably connected to the end of the drive shaft away from the motor, and the support block is fixedly connected to the bottom of the shed.

[0010] Preferably, a movable sleeve is fixedly connected to the bottom of the flip plate, and the movable sleeve is rotatably connected to the outer wall of the adjacent round rod.

[0011] Preferably, a hinge is installed between the flip plate and the arc-shaped rack.

[0012] Preferably, a limiting plate is fixedly connected to the outer wall of each of the two arc-shaped racks, a limiting groove is formed on the outer wall of the limiting plate, a limiting rod is slidably connected to the inner cavity of the limiting groove, and one end of the limiting rod is fixedly connected to the inner wall of the frame.

[0013] Preferably, the arc-shaped rack is arc-shaped and concentric with the movable sleeve.

[0014] Preferably, a sealing strip is fixedly installed on the outer wall of the movable plate.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides an automatic ventilation device for rack and pinion skylights in solar greenhouses, which has the following beneficial effects:

[0017] This automatic ventilation device for a solar greenhouse rack and pinion skylight uses a drive motor to rotate two gears on the drive shaft. The two gears drive the corresponding arc-shaped racks to move, and the two arc-shaped racks lift up the flipping plate, causing the flipping plate to push the movable plate in an arc-shaped motion. The movable plate drives the sealing strip and the greenhouse film to move synchronously, opening a ventilation area above the greenhouse frame to achieve the purpose of ventilation. It is easy to operate, and the sealing strip ensures a good seal when the greenhouse is reset. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the present invention from one angle at the top;

[0019] Figure 2 This is a structural schematic diagram of the present invention from another angle at the top;

[0020] Figure 3 This is a structural schematic diagram of the present invention from a bottom view.

[0021] Figure 4 This is a schematic diagram showing the connection of components such as gears and arc-shaped racks of this utility model.

[0022] In the diagram: 1. Shed frame; 2. Shed film one; 3. Shed film two; 4. Movable plate; 5. Sealing strip; 6. Flip-over plate; 7. Movable sleeve; 8. Hinge; 9. Arc rack; 10. Gear; 11. Drive shaft; 12. Motor; 13. Fixed base; 14. Limiting plate; 15. Limiting groove; 16. Limiting rod; 17. Round rod; 18. Support block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4 An automatic ventilation device for a rack and pinion skylight in a solar greenhouse is provided in an embodiment of the present invention. It includes: a frame 1, with multiple round rods 17 fixedly connected to the inner cavity of the frame 1. Greenhouse film 1 (2) and greenhouse film 2 (3) are laid together on the multiple round rods 17 and the frame 1. A movable plate 4 is fixedly connected to the lower end of greenhouse film 2 (3). A flipping plate 6 is fixedly connected below the movable plate 4. The bottom of the flipping plate 6 is movably connected to the adjacent round rods 17, and two arc-shaped racks 9 are movably installed on the flipping plate 6. The bottom of both arc-shaped racks 9 extends to the bottom of the frame 1, and gears 10 mesh on the outer sides of both arc-shaped racks 9. A drive shaft 11 is fixedly connected through both gears 10, and a motor 12 is fixedly connected to one end of the drive shaft 11.

[0025] Specifically, when ventilation is needed, the motor 12 can be driven to rotate the drive shaft 11. The drive shaft 11 drives the two gears 10 to rotate synchronously. The two gears 10 drive the two arc racks 9 to slide synchronously. The two arc racks 9 push the corresponding flip plate 6 to move. The flip plate 6 pushes the movable plate 4 to move. The movable plate 4 drives the second greenhouse film 3 to move. At this time, the space between the first greenhouse film 2 and the second greenhouse film 3 gradually expands. After expanding to a certain size, the motor 12 is turned off.

[0026] In particular, the end of the second type of greenhouse film is left with an extra 50 centimeters, which solves the problem of poor sealing of the vents and rain leakage.

[0027] In this embodiment, as Figure 3 As shown; a fixed base 13 is fixedly connected to the outer wall of the motor 12, and the fixed base 13 is fixedly connected to the bottom of the frame 1.

[0028] Specifically, the fixed base 13 is used to achieve a fixed connection between the motor 12 and the frame 1, thereby ensuring the stable performance of the motor 12 during subsequent operation.

[0029] In this embodiment, as Figure 3 As shown; the end of the drive shaft 11 away from the motor 12 is rotatably connected to a support block 18, and the support block 18 is fixedly connected to the bottom of the frame 1.

[0030] Specifically, the support block 18 provides support to the end of the drive shaft 11, improving the stability of the drive shaft 11 and gear 10, and preventing the gear 10 from disengaging from the arc rack 9.

[0031] In this embodiment, as Figures 3-4 As shown; the bottom of the flip plate 6 is fixedly connected to a movable sleeve 7, which is rotatably connected to the outer wall of the adjacent round rod 17.

[0032] Specifically, the rotating connection between the flip plate 6 and the round rod 17 is achieved through the movable sleeve 7, ensuring that the flip plate 6 can move in an arc around the round rod 17, lifting the greenhouse film 3 to form a skylight for ventilation.

[0033] In this embodiment, as Figures 1-4 As shown; a hinge 8 is installed between the flip plate 6 and the arc-shaped rack 9.

[0034] Specifically, the hinge 8 enables the movable connection between the flip plate 6 and the arc-shaped rack 9, so that the arc-shaped rack 9 can smoothly push the flip plate 6 to move when it moves.

[0035] In this embodiment, as Figures 1-4 As shown; both arc-shaped racks 9 are fixedly connected to limit plates 14 on their outer walls, and limit grooves 15 are opened on the outer walls of the limit plates 14. Limit rods 16 are slidably connected to the inner cavity of the limit grooves 15, and one end of the limit rods 16 is fixedly connected to the inner wall of the frame 1.

[0036] Specifically, by using the cooperation of the limiting groove 15 and the limiting rod 16, the arc-shaped rack 9 is limited to an arc-shaped motion trajectory to ensure that the arc-shaped rack 9 will not derail from the gear 10.

[0037] In this embodiment, as Figures 1-4 As shown; the arc-shaped rack 9 is arranged in an arc shape, and the arc-shaped rack 9 and the movable sleeve 7 are concentrically arranged.

[0038] Specifically, this setting prevents motion interference when the arc-shaped rack 9 drives the flip plate 6 to make an arc-shaped movement.

[0039] In this embodiment, as Figures 1-4 As shown; a sealing strip 5 is fixedly installed on the outer wall of the movable plate 4.

[0040] Specifically, the sealing strip 5 ensures a good seal between greenhouse film 1 2 and greenhouse film 2 3.

[0041] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0042] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0043] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. Automatic ventilation device for a sunroof of a sun greenhouse, characterized in that, The device includes a frame (1), with multiple round rods (17) fixedly connected to the inner cavity of the frame (1). The multiple round rods (17) and the frame (1) are covered with a first film (2) and a second film (3). A movable plate (4) is fixedly connected to the lower end of the second film (3). A flipping plate (6) is fixedly connected to the lower part of the movable plate (4). The bottom of the flipping plate (6) is movably connected to the adjacent round rods (17). Two arc-shaped racks (9) are movably installed on the flipping plate (6). The bottom of the two arc-shaped racks (9) extends to the bottom of the frame (1). Gears (10) mesh on the outer sides of the two arc-shaped racks (9). A drive shaft (11) is fixedly connected through the two gears (10). A motor (12) is fixedly connected to one end of the drive shaft (11).

2. The sun greenhouse rack window automatic venting apparatus according to claim 1, characterized in that, A fixed seat (13) is fixedly connected to the outer wall of the motor (12), and the fixed seat (13) is fixedly connected to the bottom of the frame (1).

3. The sunlight greenhouse rack window automatic venting apparatus according to claim 1, characterized in that, The end of the drive shaft (11) away from the motor (12) is rotatably connected to a support block (18), and the support block (18) is fixedly connected to the bottom of the frame (1).

4. The sunlight greenhouse rack window automatic venting apparatus according to claim 1, characterized in that, The bottom of the flip plate (6) is fixedly connected to a movable sleeve (7), which is rotatably connected to the outer wall of the adjacent round rod (17).

5. The sun greenhouse rack window automatic venting apparatus according to claim 1, wherein, A hinge (8) is installed between the flip plate (6) and the arc-shaped rack (9).

6. The automatic window opening device for a sun greenhouse slotted window according to claim 1, characterized in that, Limiting plates (14) are fixedly connected to the outer walls of the two arc-shaped racks (9). Limiting grooves (15) are opened on the outer walls of the limiting plates (14). Limiting rods (16) are slidably connected to the inner cavity of the limiting grooves (15). One end of the limiting rods (16) is fixedly connected to the inner wall of the frame (1).

7. The sunlight greenhouse rack window automatic venting apparatus according to claim 4, characterized in that, The arc-shaped rack (9) is arc-shaped and is concentric with the movable sleeve (7).

8. The automatic window opening device for a sun greenhouse according to claim 1, characterized in that, A sealing strip (5) is fixedly installed on the outer wall of the movable plate (4).

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