A ventilation adjustment device for aquaculture farm

Abstract

This utility model discloses a ventilation outlet adjustment device for aquaculture farms, relating to the field of aquaculture farm ventilation technology. It includes a ventilation pipe, a spherical rotary joint, an adjustment port, a connecting pipe, and a baffle plate. One end of the connecting pipe is provided with a spherical sealing end cap. The spherical rotary joint is rotatably disposed within the spherical sealing end cap. The ventilation pipe is fixedly connected to the spherical rotary joint and communicates with the connecting pipe. The adjustment port is opened on the wall of the connecting pipe and the spherical sealing end cap. The ventilation pipe passes through the adjustment port and rotates within the range defined by the adjustment port around the rotation axis of the spherical rotary joint to adjust the angle between the connecting pipe and the ventilation pipe. The baffle plate is fixedly connected to the edge of the spherical rotary joint and rotates with it. This ventilation outlet adjustment device for aquaculture farms can adjust the ventilation effect by adjusting the angle between the ventilation pipe and the connecting pipe, while preventing rainwater from entering.

Description

Technical Field

[0001] This utility model relates to the field of ventilation technology for livestock farms, specifically a ventilation outlet adjustment device for livestock farms. Background Technology

[0002] Livestock farms require side-wall ventilation ducts combined with negative pressure ventilation from fans to ensure livestock growth. In actual farming, large-scale farms often need ventilation volumes of several thousand cubic meters per minute to maintain air quality. However, during windy weather with high external wind pressure, traditional straight-duct ventilation openings can easily cause cold air to backflow, leading to a sudden drop in indoor temperature. During rain, rainwater can easily seep in, soaking the bedding and potentially causing damp ground, promoting bacterial growth, and seriously affecting the health of livestock.

[0003] Therefore, existing ventilation ducts are mostly L-shaped with downward-facing openings, which can block gas and rainwater from entering to some extent. However, in practical applications, the L-shape causes a 90° turn in the ventilation path, which increases the ventilation resistance coefficient, leading to increased fan energy consumption and reduced ventilation volume. Furthermore, the fixed opening area of ​​traditional L-shaped ventilation ducts makes it difficult to quickly expel the large amounts of heat and harmful gases generated by livestock metabolism during the high temperatures of summer; and in winter, it is also difficult to reduce ventilation volume according to actual needs to avoid excessive heat loss.

[0004] Therefore, it is necessary to propose a ventilation adjustment device for aquaculture farms to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved The purpose of this invention is to provide a ventilation outlet adjustment device for aquaculture farms, so as to solve the problem mentioned in the background art that existing ventilation pipes cannot be adjusted as needed.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a ventilation outlet adjustment device for aquaculture farms, comprising: A connecting pipe, one end of which is provided with a spherical sealing end cap; A spherical rotary joint, wherein the spherical rotary joint is rotatably disposed within a spherical sealing end cap; A ventilation duct, wherein the ventilation duct is fixedly connected to a spherical rotary joint and communicates with a connecting pipe; An adjustment port is provided on the wall of the connecting pipe and the spherical sealing end cap. The ventilation pipe passes through the adjustment port and rotates within the range defined by the adjustment port around the rotation axis of the spherical rotary joint to adjust the angle between the connecting pipe and the ventilation pipe. A wind deflector, which is fixedly connected to the edge of a spherical rotary joint and rotates with it; When the ventilation pipe is rotated to the position of the adjustment port at one end of the spherical sealing end cap, the baffle plate seals the part of the adjustment port that is not occupied by the ventilation pipe. When the ventilation duct is rotated to the position of the adjustment port at one end of the connecting duct, the baffle plate extends into the interior of the connecting duct and partially covers its cross-section.

[0007] Preferably, the inner wall of the spherical sealing end cap fits against the outer wall of the spherical rotary joint.

[0008] Preferably, when the ventilation pipe is rotated to the point where the adjustment port is located at one end of the connecting pipe, the spherical rotary joint seals the portion of the adjustment port not occupied by the ventilation pipe.

[0009] Preferably, both sides of the spherical rotary joint are fixedly connected to a rotating shaft, and the spherical rotary joint is rotatably connected to the spherical sealing end cap through the rotating shaft.

[0010] Preferably, the outer side of the spherical rotary joint is provided with multiple limiting grooves arranged in a circumferential array around the rotating shaft, and the inner side of the spherical sealing end cap is provided with a protrusion that matches the limiting groove.

[0011] Preferably, the angle between the ventilation pipe and the connecting pipe is less than 180°.

[0012] Preferably, a flange is fixedly connected to the outside of the connecting pipe.

[0013] (III) Beneficial Effects Compared with the prior art, this utility model provides a ventilation outlet adjustment device for aquaculture farms, which has the following beneficial effects: 1. The ventilation adjustment device for this farm has a rotatable ventilation pipe at one end of the connecting pipe. By increasing the angle between the ventilation pipe and the connecting pipe, the wind resistance can be reduced and the ventilation effect can be enhanced. When the ambient wind speed is high, the airflow can be prevented from entering by reducing the angle between the ventilation pipe and the connecting pipe. At the same time, the cross-section of the connecting pipe can be adjusted by the wind baffle to regulate the ventilation effect.

[0014] 2. The ventilation outlet adjustment device of this breeding farm sets the angle between the ventilation pipe and the connecting pipe to less than 180°, so that the ventilation pipe is tilted downward, thereby preventing rainwater from entering the connecting pipe. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional schematic diagram of the structure of this utility model in use; Figure 3 This is a schematic cross-sectional view of the structure of this utility model in use. Figure 4This is a three-dimensional schematic diagram of the spherical rotary joint of this utility model.

[0016] In the diagram: 1. Spherical sealing end cap; 2. Ventilation pipe; 3. Spherical rotary joint; 4. Adjustment port; 5. Connecting pipe; 6. Baffle plate; 8. Limiting groove; 9. Flange; 10. Rotary shaft. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-4 As shown, a ventilation opening adjustment device for a livestock farm includes a ventilation pipe 2, a spherical rotary joint 3, an adjustment port 4, a connecting pipe 5, and a baffle plate 6. One end of the connecting pipe 5 is provided with a spherical sealing end cap 1. The spherical rotary joint 3 is rotatably disposed inside the spherical sealing end cap 1. The ventilation pipe 2 is fixedly connected to the spherical rotary joint 3 and communicates with the connecting pipe 5. The adjustment port 4 is opened on the pipe wall of the connecting pipe 5 and the spherical sealing end cap 1. The ventilation pipe 2 passes through the adjustment port 4 and rotates around the rotation axis of the spherical rotary joint 3 within the range defined by the adjustment port 4 to adjust the angle between the connecting pipe 5 and the ventilation pipe 2. The baffle plate 6 is fixedly connected to the edge of the spherical rotary joint 3 and rotates with it. When the ventilation pipe 2 rotates to the point where the adjustment port 4 is located at one end of the spherical sealing end cap 1, the baffle plate 6 seals the part of the adjustment port 4 that is not occupied by the ventilation pipe 2. When the ventilation pipe 2 rotates to the point where the adjustment port 4 is located at one end of the connecting pipe 5, the baffle plate 6 extends into the interior of the connecting pipe 5 and partially covers its cross-section.

[0019] When using it, fix it to the ventilation opening on the side wall of the farm. During ventilation, its position should be as follows: Figure 2 As shown, rotating the ventilation pipe 2 until the adjusting port 4 is located at one end of the spherical sealing end cap 1 increases the angle between the ventilation pipe 2 and the connecting pipe 5, reducing wind resistance. Airflow enters the farm through the ventilation pipe 2 and connecting pipe 5 to enhance ventilation. When the wind speed is high and it is necessary to prevent wind from entering through the ventilation port, the state is as follows: Figure 3 As shown, the ventilation pipe 2 is rotated so that the adjusting port 4 is located at one end of the connecting pipe 5, so that the ventilation pipe 2 faces the ground to reduce wind entry. The wind deflector 6 reduces the ventilation cross-section of the connecting pipe 5, thereby improving the wind-blocking effect. The inner wall of the spherical sealing end cap 1 fits against the outer wall of the spherical rotary joint 3. When the ventilation pipe 2 is rotated so that the adjusting port 4 is located at one end of the connecting pipe 5, the spherical rotary joint 3 seals the portion of the adjusting port 4 not occupied by the ventilation pipe 2.

[0020] In some embodiments, a rotating shaft 10 is fixedly connected to both sides of the spherical rotary joint 3. A limiting hole for limiting the rotation of the rotating shaft 10 is provided on the connecting pipe 5. The spherical rotary joint 3 is rotatably connected to the spherical sealing end cap 1 via the rotating shaft 10. The rotation axis of the spherical rotary joint 3 is collinear with the center of the spherical sealing end cap 1, ensuring that the inner wall of the spherical sealing end cap 1 is always in contact with the outer wall of the spherical rotary joint 3.

[0021] To fix the angle of the ventilation duct 2, multiple limiting grooves 8 are arranged in a circumferential array around the axis 10 on the outer side of the spherical rotary joint 3. A protrusion adapted to the limiting groove 8 is provided on the inner side of the spherical sealing end cap 1. Specifically, there are two limiting grooves 8. When the ventilation duct 2 rotates to one end of the adjustment port 4, the protrusion falls into one limiting groove 8; when the ventilation duct 2 rotates to the other end of the adjustment port 4, the protrusion falls into the other limiting groove 8. The cooperation of the limiting grooves 8 and the protrusion limits the rotation angle of the ventilation duct 2. When the ventilation duct 2 rotates, the spherical sealing end cap 1 undergoes elastic deformation, causing the protrusion to disengage from the limiting groove 8.

[0022] To prevent rainwater intrusion, the angle between the ventilation pipe 2 and the connecting pipe 5 is set to less than 180°. When the ventilation pipe 2 is rotated to the position of the adjusting port 4 at one end of the spherical sealing end cap 1, the ventilation pipe 2 tilts downwards, thereby preventing rainwater from entering the connecting pipe 5 through the ventilation pipe 2.

[0023] To facilitate the connection and fixation of the connecting pipe 5, a flange 9 is fixedly connected to the outside of the connecting pipe 5.

[0024] 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, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ventilation vent adjustment device for a livestock farm, characterized in that, include: Connecting pipe (5), one end of which is provided with a spherical sealing end cap (1); A spherical rotary joint (3) is rotatably disposed inside a spherical sealing end cap (1); Ventilation pipe (2), which is fixedly connected to a spherical rotary joint (3) and communicates with a connecting pipe (5); Adjustment port (4), the adjustment port (4) is opened on the pipe wall of the connecting pipe (5) and the spherical sealing end cap (1), the ventilation pipe (2) passes through the adjustment port (4), the ventilation pipe (2) rotates around the rotation axis of the spherical rotary joint (3) within the range defined by the adjustment port (4) to adjust the angle between the connecting pipe (5) and the ventilation pipe (2); A baffle plate (6) is fixedly connected to the edge of a spherical rotary joint (3) and rotates with it; when the ventilation pipe (2) rotates to the point where the adjustment port (4) is located at one end of the spherical sealing end cap (1), the baffle plate (6) seals the part of the adjustment port (4) not occupied by the ventilation pipe (2); when the ventilation pipe (2) rotates to the point where the adjustment port (4) is located at one end of the connecting pipe (5), the baffle plate (6) extends into the interior of the connecting pipe (5) and partially covers its cross-section.

2. The ventilation vent adjustment device for a livestock farm according to claim 1, characterized in that: The inner wall of the spherical sealing end cap (1) fits against the outer wall of the spherical rotary joint (3).

3. The ventilation outlet adjustment device for a livestock farm according to claim 1, characterized in that: When the ventilation pipe (2) is rotated to the position of the adjustment port (4) at one end of the connecting pipe (5), the spherical rotary joint (3) seals the part of the adjustment port (4) that is not occupied by the ventilation pipe (2).

4. The ventilation vent adjustment device for a livestock farm according to claim 1, characterized in that: Both sides of the spherical rotary joint (3) are fixedly connected with rotating shafts (10), and the spherical rotary joint (3) is rotatably connected to the spherical sealing end cap (1) through the rotating shafts (10).

5. A ventilation outlet adjustment device for a livestock farm according to claim 1, characterized in that: The outer side of the spherical rotary joint (3) is provided with multiple limiting grooves (8) arranged in a circular array around the axis (10), and the inner side of the spherical sealing end cap (1) is provided with protrusions that are compatible with the limiting grooves (8).

6. The ventilation vent adjustment device for a livestock farm according to claim 1, characterized in that: The angle between the ventilation pipe (2) and the connecting pipe (5) is less than 180°.

7. The ventilation vent adjustment device for a livestock farm according to claim 1, characterized in that: A flange (9) is fixedly connected to the outside of the connecting pipe (5).

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