CN220023717U - Ventilation mechanism for green house - Google Patents

Abstract

The utility model relates to the technical field of agricultural greenhouses and discloses a ventilation mechanism for the agricultural greenhouses, which comprises a greenhouse body, wherein a ventilation pipe is arranged on one side wall of the greenhouse body, a rotating shaft is connected to one side inner wall of the ventilation pipe through a bearing, a guide plate and a gear are arranged on the side wall of the rotating shaft, the gear is positioned on one side of the guide plate, an electric push rod is arranged on one side inner wall of the ventilation pipe, the output end of the electric push rod is connected with a connecting block, one end of the connecting block is provided with a rack, the rack is connected with the gear in a meshed manner, a limiting block is arranged on one side inner wall of the ventilation pipe, the rack is slidably clamped on one side wall of the limiting block, a square hole is formed in the outer wall of the top of the ventilation pipe, one end of the rack extends to the inside of the square hole, a fixing plate is arranged on one side inner wall of the ventilation pipe, the wind direction can be adjusted while the greenhouse is rapidly ventilated, the air circulation effect inside the greenhouse can be effectively improved, and the mechanism also has a certain heat preservation function, and high practicability.

Description

Ventilation mechanism for green house

Technical Field

The utility model relates to the technical field of agricultural greenhouses, in particular to a ventilation mechanism for an agricultural greenhouse.

Background

When carrying out farming, because the big-arch shelter has advantages such as coverage area is big, the space is big, the thermal effect is better, can effectively protect crops to shorten the growth cycle of crops, by wide application in farming, the big-arch shelter is when using, in order to increase the inside ventilation effect of big-arch shelter, improves the inside oxygen content of big-arch shelter, can adopt the fan to ventilate the inside of big-arch shelter generally.

The existing ventilating mechanism for the agricultural greenhouse is fixed in general structure, so that the direction and the position of air flow are fixed, the air circulation effect inside the greenhouse is poor, and the ventilating mechanism lacks a filtering device, so that insects can easily enter the greenhouse to damage crops.

Disclosure of Invention

The utility model aims to provide a ventilation mechanism for an agricultural greenhouse, which aims to solve the problems that the ventilation mechanism for the agricultural greenhouse is fixed in general structure, the direction and the position of air flow are fixed, the air circulation effect in the greenhouse is poor, and the ventilation mechanism is lack of a filtering device, so that insects easily enter the greenhouse to damage crops.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ventilation mechanism for green house, includes the canopy body, be provided with the ventilation pipe on the lateral wall of the canopy body, be connected with the axis of rotation through the bearing on one side inner wall of ventilation pipe, be provided with deflector and gear on the axis of rotation lateral wall, the gear is located one side of deflector, install electric putter on one side inner wall of ventilation pipe, electric putter's output is connected with the connecting block, the one end of connecting block is provided with the rack, the rack with the meshing is connected between the gear, install the stopper on one side inner wall of ventilation pipe, rack slip joint is in on one lateral wall of stopper, square hole has been seted up on the top outer wall of ventilation pipe, the one end of rack extends to the inside of square hole, be provided with the fixed plate on one side inner wall of ventilation pipe, install the motor on the side wall of fixed plate, the flabellum is installed to the output of motor.

As the preferable scheme, sliding joint has the filter frame on the one side inner wall of ventilation pipe, be provided with the filter screen on the one side wall of filter frame, install the handle on the one side wall of filter frame.

Preferably, a rain-proof plate is arranged on the outer wall of one side of the ventilation pipe.

As a preferable scheme, a switch is arranged on the outer wall of one side of the ventilation pipe, a controller is arranged on the inner wall of one side of the ventilation pipe, the switch is electrically connected with the controller, the controller is electrically connected with the electric push rod, and the controller is electrically connected with the motor.

Preferably, a temperature sensor is installed on a side wall of the flashing, and the temperature sensor is electrically connected with the controller.

Preferably, a baffle is arranged on the inner wall of the bottom of the ventilation pipe.

Preferably, a filling block is arranged on the inner wall of one side of the ventilation pipe, and the filling block is positioned on two sides of the gear.

The utility model has the technical effects and advantages that:

1. through the canopy body, ventilation pipe, axis of rotation, deflector, gear, electric putter, connecting block, rack, stopper, square hole, fixed plate, motor and flabellum that set up, can also adjust the wind direction when carrying out quick ventilation to the big-arch shelter, can effectively improve the inside air circulation effect of big-arch shelter, this mechanism still has certain heat preservation function moreover, and the practicality is stronger.

2. Through the filter frame, filter screen and the handle that set up, can filter the insect and prevent that it from entering into the inside damage crop of big-arch shelter through this mechanism, conveniently dismantle and clear up the filter screen simultaneously, facilitate promotion uses.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an enlarged view of the structure of fig. 1 a in accordance with the present utility model.

Fig. 3 is a cross-sectional view of the overall structure of the present utility model.

Fig. 4 is an enlarged view of the structure at B in fig. 3 according to the present utility model.

In the figure: 1. a shed body; 2. a ventilation pipe; 3. a rotating shaft; 4. a guide plate; 5. a gear; 6. an electric push rod; 7. a connecting block; 8. a rack; 9. a limiting block; 10. square holes; 11. a fixing plate; 12. a motor; 13. a fan blade; 14. a filter frame; 15. a filter screen; 16. a handle; 17. a flashing; 18. a switch; 19. a controller; 20. a temperature sensor; 21. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a ventilation mechanism for an agricultural greenhouse as shown in figures 1-4, which comprises a greenhouse body 1, wherein a ventilation pipe 2 is arranged on one side wall of the greenhouse body 1, a rotating shaft 3 is connected to one side inner wall of the ventilation pipe 2 through a bearing, a guide plate 4 and a gear 5 are arranged on the side wall of the rotating shaft 3, the gear 5 is positioned on one side of the guide plate 4, an electric push rod 6 is arranged on one side inner wall of the ventilation pipe 2, the output end of the electric push rod 6 is connected with a connecting block 7, one end of the connecting block 7 is provided with a rack 8, the rack 8 is in meshed connection with the gear 5, a limit block 9 is arranged on one side inner wall of the ventilation pipe 2, the rack 8 is in sliding clamping connection with one side wall of the limit block 9, a square hole 10 is formed in the outer wall of the top of the ventilation pipe 2, one end of the rack 8 extends into the square hole 10, a fixed plate 11 is arranged on one side inner wall of the ventilation pipe 2, a motor 12 is arranged on one side wall of the fixed plate 11, and a fan blade 13 is arranged at the output end of the motor 12;

the switch 18 is installed on the outer wall of one side of ventilation pipe 2, install the controller 19 on the inner wall of one side of ventilation pipe 2, electric connection between switch 18 and the controller 19, electric connection between controller 19 and the electric putter 6, electric connection between controller 19 and the motor 12, install temperature sensor 20 on the side wall of flashing 17, electric connection between temperature sensor 20 and the controller 19, be provided with the filler on the inner wall of one side of ventilation pipe 2, the filler is located the both sides of gear 5, press the switch 18 at first and start electric putter 6 and motor 12 through controller 19, electric putter 6 carries out reciprocating extension shrink and drives rack 8 through connecting block 7 and move, rack 8 drives axis of rotation 3 and deflector 4 through gear 5 and carries out reciprocating rotation, simultaneously motor 12 drives flabellum 13 and rotates, deflector 4 carries out the direction regulating to the wind that flabellum 13 produced, when temperature sensor 20 detects outside temperature lower, make electric putter 6 get back to the initial position through controller 19 control shut motor 12, it prevents that the inside temperature of big-arch shelter is too low to pause the air flow, can also adjust wind direction when can carry out quick ventilation to the big-arch shelter, can improve the inside effect can also improve the big-arch shelter, and the inside air flow has certain practicality is strong effect, moreover, the thermal insulation mechanism is practical.

In this embodiment, sliding joint has filter frame 14 on the inner wall of one side of ventilation pipe 2, be provided with filter screen 15 on the lateral wall of filter frame 14, install handle 16 on the lateral wall of filter frame 14, when this mechanism normally works, filter screen 15 can prevent outside insect and large granule impurity to enter into the big-arch shelter inside through this mechanism, when filter screen 15 needs to clear up, can pull out filter frame 14 and filter screen 15 through handle 16, clear up filter screen 15, can filter the insect and prevent that it from entering into the inside damage crop of big-arch shelter through this mechanism, the while is convenient to dismantle and clear up filter screen 15, facilitate promotion and use.

In this embodiment, be provided with flashing 17 on the outer wall of one side of ventilation pipe 2, be provided with baffle 21 on the bottom inner wall of ventilation pipe 2, can prevent that the rainwater from entering into in this mechanism, cause the damage to the consumer.

The working principle of the utility model is as follows: the utility model relates to a ventilation mechanism for an agricultural greenhouse, which is characterized in that a switch 18 is pressed down, an electric push rod 6 and a motor 12 are started through a controller 19, the electric push rod 6 is reciprocated to extend and retract, a rack 8 is driven to move through a connecting block 7, the rack 8 drives a rotating shaft 3 and a guide plate 4 to reciprocate through a gear 5, meanwhile, the motor 12 drives a fan blade 13 to rotate, the guide plate 4 adjusts the direction of wind generated by the fan blade 13, when a temperature sensor 20 detects that the external temperature is lower, the motor 12 is controlled to be closed through the controller 19, the electric push rod 6 returns to an initial position, ventilation is stopped, the temperature in the greenhouse is prevented from being too low, when the mechanism works normally, a filter screen 15 can prevent external insects and large-particle impurities from entering the greenhouse through the mechanism, and when the filter screen 15 needs to be cleaned, the filter frame 14 and the filter screen 15 can be pulled out through a handle 16, and the filter screen 15 can be cleaned.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a ventilation mechanism for green house, includes the canopy body (1), its characterized in that: be provided with ventilation pipe (2) on the lateral wall of canopy body (1), be connected with axis of rotation (3) through the bearing on one side inner wall of ventilation pipe (2), be provided with deflector (4) and gear (5) on axis of rotation (3) lateral wall, gear (5) are located one side of deflector (4), install electric putter (6) on one side inner wall of ventilation pipe (2), the output of electric putter (6) is connected with connecting block (7), the one end of connecting block (7) is provided with rack (8), rack (8) with meshing between gear (5) is connected, install stopper (9) on one side inner wall of ventilation pipe (2), rack (8) sliding joint is in on one side wall of stopper (9), square hole (10) have been seted up on the top outer wall of ventilation pipe (2), the one end of rack (8) extends to the inside of square hole (10), be provided with fixed plate (11) on one side inner wall of ventilation pipe (2), the output of fixed plate (11) motor (12) is installed on one side wall (12).

2. The ventilation mechanism for agricultural greenhouses according to claim 1, wherein: the filter is characterized in that a filter frame (14) is connected to the inner wall of one side of the ventilation pipe (2) in a sliding clamping mode, a filter screen (15) is arranged on one side wall of the filter frame (14), and a handle (16) is arranged on one side wall of the filter frame (14).

3. The ventilation mechanism for agricultural greenhouses according to claim 1, wherein: a rain-proof plate (17) is arranged on the outer wall of one side of the ventilation pipe (2).

4. A ventilation mechanism for agricultural greenhouse according to claim 3, wherein: a switch (18) is arranged on the outer wall of one side of the ventilation pipe (2), a controller (19) is arranged on the inner wall of one side of the ventilation pipe (2), the switch (18) is electrically connected with the controller (19), the controller (19) is electrically connected with the electric push rod (6), and the controller (19) is electrically connected with the motor (12).

5. The ventilation mechanism for agricultural greenhouses according to claim 4, wherein: a temperature sensor (20) is arranged on one side wall of the flashing (17), and the temperature sensor (20) is electrically connected with the controller (19).

6. The ventilation mechanism for agricultural greenhouses according to claim 1, wherein: a baffle (21) is arranged on the inner wall of the bottom of the ventilation pipe (2).

7. The ventilation mechanism for agricultural greenhouses according to claim 1, wherein: and filling blocks are arranged on the inner wall of one side of the ventilation pipe (2), and the filling blocks are positioned on two sides of the gear (5).