Ventilation device for poultry house

Abstract

The utility model discloses a poultry house ventilation device, and relates to the technical field of poultry house ventilation, the poultry house ventilation device comprises a fan assembly, a mounting shell is arranged outside the fan assembly, the front end and the rear end of each of the two sides of the fan assembly are welded with fixing plates, and the fixing plates are welded to the mounting shell. The fan assembly is fixed to the inner wall of the mounting shell in a threaded mode through a fixing plate external connection fastener, four limiting baffles are arranged on the inner wall, close to a rear end opening, of the mounting shell, mounting plates are arranged at the corners of the upper surface and the lower surface of the mounting shell correspondingly, and the mounting plates and the mounting shell are fixed in a welded mode; according to the scheme, the problems that when an existing negative pressure fan for ventilation and air exchange of a poultry house is damaged and overhauled, the whole needs to be disassembled, the whole is installed in a wall body, disassembly and reinstallation are inconvenient, the negative pressure fan is prone to being damaged by friction with the wall body, and the negative pressure fan is unstable during secondary fixing are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation and air exchange for poultry houses, in particular to a ventilation and air exchange device for poultry houses. Background Art

[0002] A negative pressure fan utilizes the cooling principle of air convection and negative pressure ventilation. It is a machine that naturally inhales fresh air through the opposite door or window of the installation location and quickly forces the stuffy gas in the room to be discharged outdoors. It can improve any poor ventilation problem. Poultry houses are often ventilated with negative pressure fans; for example, the Chinese patent with announcement number CN208734580U (a new type of negative pressure fan): comprises a negative pressure fan body, a shell is provided on the outside of the negative pressure fan body, a protective net is provided on the front of the negative pressure fan body, a bracket is provided in the middle of the protective net, both ends of the bracket are fixedly connected to the inner wall of the shell, an inner shell is provided inside the negative pressure fan body, a fan chamber is provided in the middle of the inner shell, a fixing block is provided in the middle of the fan chamber, a screw is provided in the middle of the bracket, the fixing block is fixedly connected to the bracket by the screw, and a fan blade is fixedly connected to the back of the fixing block. The utility model purifies the air through the HEPA filter and the activated carbon layer in the purification device, thereby improving the indoor air quality and achieving the effect of improving the air quality. The negative pressure fan has a simple structure and the energy consumption of the negative pressure fan is reduced. The fan blades are driven to rotate by a motor, thereby effectively solving the problems of complex structure and high energy consumption of the negative pressure fan.

[0003] However, when the existing negative pressure fan for ventilation of poultry houses is damaged and repaired, it is necessary to disassemble the entire body, and the entire body is installed in the wall, which is inconvenient to disassemble and reinstall, and it is also easy to be damaged by friction with the wall, resulting in instability during the secondary fixation; therefore, it does not meet the existing needs. In this regard, we propose a poultry house ventilation device. Utility Model Content

[0004] The utility model aims to provide a poultry house ventilation device to solve the problem that the existing negative pressure fan for ventilation of poultry houses proposed in the above background technology needs to be disassembled as a whole when it is damaged for repair, and the whole is installed in the wall, which is inconvenient to disassemble and reinstall, and is easy to be damaged by friction with the wall, resulting in instability during secondary fixing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a poultry house ventilation device, comprising: a fan assembly, a mounting shell is arranged on the outside of the fan assembly, fixing plates are welded on the front and rear ends of both sides of the fan assembly, and the fan assembly is threadedly fixed to the inner wall of the mounting shell by external fasteners of the fixing plate, and a limit baffle is arranged on the inner wall of the mounting shell near the rear end opening, and four limit baffles are arranged.

[0006] Preferably, mounting plates are provided at the corners of the upper and lower surfaces of the mounting shell, and the mounting plates are fixed to the mounting shell by welding.

[0007] Preferably, the fan assembly includes a blade groove and a central axis located at the center of the blade groove, a blade sleeve is arranged outside the central axis, the blade sleeve is rotatably connected to the central axis via a ball bearing, and blades are welded to the outer wall of the blade sleeve.

[0008] Preferably, the front end of the central axis is externally connected to a fastener threadedly fixed to a positioning frame, both ends of the positioning frame are provided with fixing bolts, and the positioning frame is threadedly fixed to the fan assembly through the fixing bolts.

[0009] Preferably, a connecting seat is provided at the front end of the fan blade cover, a variable frequency motor is installed in a corner groove at the lower end of one side of the fan assembly, and the connecting seat is connected to the output end of the variable frequency motor through a timing belt.

[0010] Preferably, a protective net is provided at the front end of the mounting shell, the protective net is threadedly connected to the mounting shell via fixing screws, and a protective leaf is provided at the rear end of the mounting shell.

[0011] Preferably, the fan assembly moves forward and backward along the interior of the mounting shell, and the deepest distance that the fan assembly penetrates into the mounting shell is when it contacts the limit baffle.

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

[0013] The utility model provides a mounting shell outside the fan assembly, and the fan assembly and the mounting shell form a negative pressure fan. The fan assembly is inserted into the mounting shell until the rear surface of the fan assembly contacts the limit baffle, and the fan assembly is fixed to the inner wall of the mounting shell by fasteners external to the fixing plate, so that the fan assembly is fixed to the mounting shell. When disassembly for cleaning and maintenance is required, the protective net is first disassembled, and then the fan assembly is disassembled, and there is no need to disassemble the mounting shell, thereby improving the convenience of disassembly, avoiding the phenomenon of unstable secondary fixation caused by friction between the disassembled mounting shell and the wall, and there is no need to punch holes in the wall for a second time, thereby improving the convenience, and solving the problem that the existing negative pressure fan for ventilation and air exchange in poultry houses needs to be disassembled as a whole when it is damaged for maintenance, and the whole is installed in the wall, which is inconvenient to disassemble and then install, and is also easy to be damaged by friction with the wall, resulting in instability during secondary fixation.

[0014] By setting a limit baffle on the inner wall of the installation shell near the rear end opening, the fan assembly is inserted into the installation shell until the rear surface of the fan assembly contacts the limit baffle. When disassembling the fan assembly, it can only be disassembled in the direction of the protective net. The direction of the protective blade is limited by the limit baffle, which avoids disassembly of the fan assembly from the poultry house, thereby improving safety and anti-theft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

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

[0017] Figure 3 This is a schematic diagram of the overall front view structure of the utility model with the protective net removed;

[0018] Figure 4 This is a schematic diagram of the overall rear view structure of the utility model without the protective leaf;

[0019] In the figure: 1. Fan assembly; 2. Mounting shell; 3. Protective net; 4. Fixing screws; 5. Mounting plate; 6. Protective blade; 7. Blade slot; 8. Blade; 9. Blade cover; 10. Connecting seat; 11. Center axis; 12. Positioning frame; 13. Fixing bolt; 14. Frequency conversion motor; 15. Timing belt; 16. Fixing plate; 17. Limit baffle; 18. Ball bearing. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a poultry house ventilation device, comprising: a fan assembly 1, a mounting shell 2 is arranged outside the fan assembly 1, fixing plates 16 are welded at the front and rear ends of both sides of the fan assembly 1, and the fan assembly 1 is threadedly fixed to the inner wall of the mounting shell 2 through external fasteners of the fixing plate 16, a limit baffle 17 is arranged on the inner wall of the mounting shell 2 near the rear end opening, and four limit baffles 17 are arranged, and mounting plates 5 are arranged at the corners of the upper and lower surfaces of the mounting shell 2, and the mounting plates 5 are welded and fixed to the mounting shell 2.

[0022] Insert the fan assembly 1 into the installation shell 2 until the rear surface of the fan assembly 1 contacts the limit baffle 17. The fan assembly 1 is fixed to the inner wall of the installation shell 2 through the external fasteners of the fixing plate 16, so that the fan assembly 1 is fixed to the installation shell 2. When it needs to be disassembled for cleaning and maintenance, the protective net 3 is first removed, and then the fan assembly 1 is removed. There is no need to disassemble the installation shell 2, which improves the convenience of disassembly, avoids the phenomenon of secondary fixation instability caused by the friction between the installation shell 2 and the wall, and does not need to punch holes in the wall for the second time, which improves convenience. Moreover, it can only be disassembled in the direction of the protective net 3, and the protective leaf 6 is limited by the limit baffle 17, so that the fan assembly 1 is avoided from being disassembled from the poultry house, thereby improving safety and anti-theft.

[0023] See also Figure 2 , 3 The fan assembly 1 includes a blade slot 7 and a central axis 11 located at the center of the blade slot 7. A blade sleeve 9 is arranged outside the central axis 11. The blade sleeve 9 is rotatably connected to the central axis 11 through a ball bearing 18. The outer wall of the blade sleeve 9 is welded with a blade 8. The front end of the central axis 11 is externally connected to a fastener threadedly fixed to a positioning frame 12. Both ends of the positioning frame 12 are provided with fixing bolts 13, and the positioning frame 12 is threadedly fixed to the fan assembly 1 through the fixing bolts 13. A connecting seat 10 is arranged at the front end of the blade sleeve 9. The fan A variable frequency motor 14 is installed in the corner groove at the lower end of one side of the component 1, and the connecting seat 10 is connected to the output end of the variable frequency motor 14 through a timing belt 15. When the variable frequency motor 14 is started, the connecting seat 10 is connected to the output end of the variable frequency motor 14 through the timing belt 15, so that the connecting seat 10 can rotate. The connecting seat 10 is fixed to the fan blade cover 9, thereby realizing the rotation of the fan blade cover 9. The fan blade cover 9 rotates with the central axis 11 through the ball bearing 18, thereby realizing the rotation of the fan blade 8, thereby ventilating the inside of the poultry house.

[0024] See also Figure 1 , 2 A protective net 3 is provided at the front end of the mounting shell 2, and the protective net 3 is threadedly connected to the mounting shell 2 through a fixing screw 4. A protective leaf 6 is provided at the rear end of the mounting shell 2. The protective net 3 and the protective leaf 6 provide protection for the front and rear of the fan assembly 1, preventing people from touching the fan blades 8 and improving safety.

[0025] See also Figure 4 The fan assembly 1 moves forward and backward along the inside of the mounting shell 2, and the deepest distance that the fan assembly 1 penetrates into the mounting shell 2 is when it contacts the limit baffle 17. It can only be disassembled in the direction of the protective net 3. The protective leaf 6 is limited by the limit baffle 17 to avoid disassembly of the fan assembly 1 from the poultry house, thereby improving safety and anti-theft performance.

[0026] Working principle: When in use, insert the fan assembly 1 into the installation shell 2 until the rear surface of the fan assembly 1 contacts the limit baffle 17, and the fan assembly 1 is threadedly fixed to the inner wall of the installation shell 2 through the external fasteners of the fixing plate 16 to achieve the fixation of the fan assembly 1 and the installation shell 2. After fixation, the positioning frame 12 is threadedly fixed to the fan assembly 1 through the fixing bolts 13, and the front end of the center axis 11 is threadedly fixed to the positioning frame 12 with the external fasteners, so that the center axis 11 is supported and fixed by the positioning frame 12, and the front and rear sides of the fan assembly 1 are protected by the protective net 3 and the protective blades 6 to prevent people from touching the fan blades 8 and improve safety. The installation shell 2 is fixed to the wall of the poultry house through the external fasteners of the mounting plate 5. When in use, start the frequency conversion motor 14, connect the seat 10 and The output end of the variable frequency motor 14 is connected through a timing belt 15 to realize the rotation of the connecting seat 10, and the connecting seat 10 is fixed to the fan blade cover 9, thereby realizing the rotation of the fan blade cover 9, and the fan blade cover 9 rotates with the central axis 11 through the ball bearing 18, so that the fan blade 8 rotates, thereby ventilating the inside of the poultry house. When it needs to be disassembled for cleaning and maintenance, the protective net 3 is first disassembled, and then the fan assembly 1 is disassembled. There is no need to disassemble the installation shell 2, which improves the convenience of disassembly, avoids the phenomenon of secondary fixation instability caused by the friction between the installation shell 2 and the wall, and does not need to punch holes in the wall for the second time, which improves convenience, and can only be disassembled in the direction of the protective net 3, and the protective blade 6 is limited by the limit baffle 17, so as to avoid disassembling the fan assembly 1 from the poultry house, thereby improving safety and anti-theft.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A poultry house ventilation device, comprising a fan assembly (1), characterized in that: The fan assembly (1) is provided with a mounting shell (2) on the outside, and fixing plates (16) are welded to the front and rear ends of both sides of the fan assembly (1), and the fan assembly (1) is threadedly fixed to the inner wall of the mounting shell (2) via external fasteners of the fixing plates (16), and a limit baffle (17) is provided on the inner wall of the mounting shell (2) near the rear end opening, and four limit baffles (17) are provided.

2. A poultry house ventilation device according to claim 1, characterized in that: Mounting plates (5) are provided at the corners of the upper and lower surfaces of the mounting shell (2), and the mounting plates (5) are fixed to the mounting shell (2) by welding.

3. A poultry house ventilation device according to claim 1, characterized in that: The fan assembly (1) comprises a blade slot (7) and a central shaft (11) located at the center of the blade slot (7); a blade sleeve (9) is arranged outside the central shaft (11); the blade sleeve (9) is rotatably connected to the central shaft (11) via a ball bearing (18); and blades (8) are welded to the outer wall of the blade sleeve (9).

4. A poultry house ventilation device according to claim 3, characterized in that: The front end of the central shaft (11) is externally connected to a fastener threadedly fixed to a positioning frame (12), both ends of the positioning frame (12) are provided with fixing bolts (13), and the positioning frame (12) is threadedly fixed to the fan assembly (1) via the fixing bolts (13).

5. A poultry house ventilation device according to claim 3, characterized in that: A connecting seat (10) is provided at the front end of the fan blade cover (9), a variable frequency motor (14) is installed in a corner groove at the lower end of one side of the fan assembly (1), and the connecting seat (10) is connected to the output end of the variable frequency motor (14) via a timing belt (15).

6. A poultry house ventilation device according to claim 1, characterized in that: A protective net (3) is provided at the front end of the installation shell (2); the protective net (3) is threadedly connected to the installation shell (2) via fixing screws (4); and a protective leaf (6) is provided at the rear end of the installation shell (2).

7. A poultry house ventilation device according to claim 1, characterized in that: The fan assembly (1) moves forward and backward along the interior of the mounting shell (2), and the fan assembly (1) penetrates deep into the mounting shell (2) to a depth where it contacts the limit baffle (17).

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