Ventilation device for pig shed

Abstract

The utility model discloses a ventilation device for a pig shed, which belongs to the technical field of ventilation and is technically characterized by comprising a mounting cylinder, a mounting frame is fixedly connected in the mounting cylinder, fan blades are arranged at the top of the mounting cylinder, a rotating shaft is fixedly connected in the fan blades, and the bottom end of the rotating shaft penetrates through the mounting frame and is fixedly connected with an upper connector. And a driving mechanism for driving the auxiliary fan blades to rotate is arranged at the bottom of the mounting frame. Air inlet and air exhaust are achieved through hot pressure caused by the indoor and outdoor temperature difference and air pressure caused by the external wind power effect, so that the requirement for ventilation in the pig shed is met, when no wind power exists outside and the rotating speed of the fan blades cannot meet the requirement for ventilation, the fan blades are driven by the driving mechanism to rotate, and ventilation is achieved through electric power. Therefore, the ventilation device achieves two working operation modes which are freely switched, energy is saved, and the ventilation requirement of the pig shed is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation, and in particular relates to a ventilation device for a pig shed. Background Art

[0002] In modern animal husbandry, pig sheds are important places for pig breeding. Their internal environmental conditions directly affect the health, growth rate and production efficiency of animals. Ventilation devices are one of the key factors in controlling the environmental quality in pig sheds. Their main function is to regulate the temperature and humidity in the shed, eliminate harmful gases and dust, keep the air fresh, and reduce the risk of pathogen breeding and transmission.

[0003] Traditional pig shed ventilation often uses natural ventilation or simple mechanical ventilation methods, such as fans, to achieve air exchange, but long-term operation will consume a lot of electricity and increase breeding costs. Utility Model Content

[0004] The utility model aims to provide a ventilation device for a pig shed to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ventilation device for a pig shed, comprising a mounting cylinder, a mounting frame fixedly connected to the interior of the mounting cylinder, a fan blade is provided on the top of the mounting cylinder, a rotating shaft is fixedly connected to the interior of the fan blade, and the bottom end of the rotating shaft passes through the mounting frame and is fixedly connected to an upper joint, and a driving mechanism for assisting the rotation of the fan blade is provided at the bottom of the mounting frame.

[0006] Preferably, the driving mechanism includes a slide, which is inserted into the bottom of the mounting frame, and the top of the slide is fixedly connected to a motor, one end of the motor output shaft is fixedly connected to a lower joint, and the lower joint and the upper joint are quickly connected via a snap-fit ​​mechanism, and the bottom outer wall of the mounting frame is fixedly connected to an electric push rod, and one end of the electric push rod passes through the mounting frame and is fixed to the slide.

[0007] Preferably, the engaging mechanism comprises a plurality of grooves and blocks, and the plurality of grooves and blocks are respectively arranged at the bottom end of the upper joint and the top end of the lower joint, and the plurality of grooves and blocks correspond to each other.

[0008] Preferably, a positioning pin is provided at the top and in the middle of the lower joint, and a positioning hole corresponding to the positioning pin is provided at the bottom of the upper joint.

[0009] Preferably, a mounting ring is fixedly connected to the circumferential outer wall of the mounting cylinder.

[0010] Preferably, a rotation speed sensor is provided inside the mounting cylinder, and the rotation speed sensor is connected to the rotating shaft.

[0011] Preferably, the bottom end of the mounting tube is detachably connected to a dust cover via screws.

[0012] Compared with the prior art, the beneficial effects of the utility model are: utilizing the thermal pressure caused by the temperature difference between indoor and outdoor and the wind pressure caused by the external wind to realize air intake and exhaust, thereby meeting the ventilation requirements in the pig shed, and since no electricity is needed, ventilation is achieved through natural airflow, which has the advantages of energy saving and environmental protection. When there is no wind outside and the rotation rate of the fan blades cannot meet the ventilation requirements, the electric push rod is started to extend the electric push rod to drive the slide to move upward, and the lower joint provided on the electric output shaft is engaged with the upper joint through the groove and the block, so that the motor rotates through the lower joint and the upper joint to transmit and make the rotating shaft drive the fan blades to rotate, and realize ventilation by using electricity, so that the ventilation device can realize two working operation modes and switch freely, which not only saves energy but also meets the ventilation requirements of the pig shed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front perspective view of the utility model;

[0014] Figure 2 It is a bottom stereogram of the utility model;

[0015] Figure 3 It is an internal diagram of the utility model;

[0016] Figure 4 It is a partial enlarged view of the utility model;

[0017] Figure 5 It is an enlarged view of part A of the present utility model.

[0018] In the figure: 1. mounting ring; 2. fan blade; 3. mounting cylinder; 4. dust cover; 5. rotating shaft; 6. mounting frame; 7. upper joint; 8. slide frame; 9. motor; 10. electric push rod; 11. groove; 12. positioning pin; 13. block; 14. lower joint. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 5The utility model provides a ventilation device for a pig shed, including a mounting tube 3, a mounting frame 6 is fixed inside the mounting tube 3 by bolts, a fan blade 2 is arranged on the top of the mounting tube 3, a rotating shaft 5 is fixed inside the fan blade 2 by bolts, and the bottom end of the rotating shaft 5 passes through the mounting frame 6 and is welded with an upper joint 7, and a driving mechanism for assisting the rotation of the fan blade 2 is arranged at the bottom of the mounting frame 6, and the heat pressure caused by the temperature difference between indoor and outdoor and the wind pressure caused by the external wind force are used to realize air intake and exhaust, so as to meet the ventilation requirements in the pig shed, and because no electricity is needed, ventilation is realized by natural airflow, which has the advantages of energy saving and environmental protection, when there is no wind outside and the rotation speed of the fan blade 2 does not meet the ventilation requirements, the fan blade 2 is driven to rotate by the driving mechanism and ventilation is realized by using electricity, so that the ventilation device realizes two working operation modes and can switch freely, which not only saves energy but also meets the ventilation requirements of the pig shed.

[0021] In this embodiment, the driving mechanism includes a slide 8, which is inserted into the bottom of the mounting frame 6. A motor 9 is fixed to the top of the slide 8 by bolts. A lower joint 14 is fixed to one end of the output shaft of the motor 9 by bolts. The lower joint 14 is quickly connected to the upper joint 7 by a clamping mechanism. An electric push rod 10 is fixed to the bottom outer wall of the mounting frame 6 by bolts, and one end of the electric push rod 10 passes through the mounting frame 6 and is fixed to the slide 8. The clamping mechanism includes a plurality of grooves 11 and a clamping block 13. The plurality of grooves 11 and the clamping block 13 are respectively arranged at the bottom end of the upper joint 7 and the top end of the lower joint 14, and the plurality of grooves 11 and the clamping block 13 correspond to each other. By starting the electric push rod 10, the electric push rod 10 is extended to drive the slide 8 to move upward, and the lower joint 14 set on the output shaft of the electric 9 is meshed with the upper joint 7 through the groove 11 and the clamping block 13, so that the motor rotates through the lower joint 14 and the upper joint 7 for transmission and the rotating shaft 5 drives the fan blade 2 to rotate, and ventilation is achieved.

[0022] In this embodiment, a positioning pin 12 is provided at the top and in the middle of the lower joint 14, and a positioning hole corresponding to the positioning pin 12 is provided at the bottom end of the upper joint 7, so that the lower joint 14 and the upper joint 7 can be pre-positioned through the positioning pin 12 and the corresponding positioning hole when they are engaged.

[0023] In this embodiment, a mounting ring 1 is fixed to the circumferential outer wall of the mounting cylinder 3 by bolts, thereby facilitating the installation of the mounting cylinder 3 so that it can be fixed on the inclined roof.

[0024] In this embodiment, a rotation speed sensor is provided inside the mounting tube 3, and the rotation speed sensor is connected to the rotating shaft 5, so that the rotation speed of the fan blade 2 can be easily determined by the rotation speed sensor, and then it can be determined whether the ventilation meets the requirements.

[0025] In this embodiment, the bottom end of the mounting tube 3 is detachably connected to a dust cover 4 via screws, thereby blocking dust and improving the use efficiency and life of the ventilation device.

[0026] The working principle and use process of the utility model: when in use, the heat pressure caused by the temperature difference between indoor and outdoor and the wind pressure caused by the external wind force are used to realize air intake and exhaust, so as to meet the ventilation requirements in the pig shed, and because no electricity is needed, ventilation is achieved through natural airflow, which has the advantages of energy saving and environmental protection. When there is no wind outside, when the rotation rate of the fan blade 2 cannot meet the ventilation requirements, the electric push rod 10 is started to extend the electric push rod 10 to drive the slide 8 to move upward, and the lower joint 14 set on the output shaft of the electric 9 is meshed with the upper joint 7 through the groove 11 and the block 13, so that the motor rotates through the lower joint 14 and the upper joint 7 to drive the rotating shaft 5 to drive the fan blade 2 to rotate, and realize ventilation by using electricity, so that the ventilation device realizes two working operation modes and can switch freely, which not only saves energy but also meets the ventilation requirements of the pig shed.

[0027] The electronic components and modules used in the content of this utility model can all be parts commonly used in the market that can realize the specific functions in this case, and the specific models and sizes can be selected and adjusted according to actual needs.

[0028] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A ventilation device for a pig shed, comprising a mounting cylinder (3), characterized in that: The interior of the installation tube (3) is fixedly connected to a mounting frame (6); a fan blade (2) is provided on the top of the installation tube (3); a rotating shaft (5) is fixedly connected to the interior of the fan blade (2); the bottom end of the rotating shaft (5) passes through the installation frame (6) and is fixedly connected to an upper joint (7); and a driving mechanism for assisting the rotation of the fan blade (2) is provided at the bottom of the installation frame (6).

2. A pig shed ventilation device according to claim 1, characterized in that: The driving mechanism comprises a slide (8), the slide (8) is inserted into the bottom of the mounting frame (6), the top of the slide (8) is fixedly connected to a motor (9), one end of the output shaft of the motor (9) is fixedly connected to a lower joint (14), the lower joint (14) and the upper joint (7) are quickly connected via a snap-fit ​​mechanism, the bottom outer wall of the mounting frame (6) is fixedly connected to an electric push rod (10), and one end of the electric push rod (10) passes through the mounting frame (6) and is fixed to the slide (8).

3. A ventilation device for a pig shed according to claim 2, characterized in that: The locking mechanism comprises a plurality of grooves (11) and a locking block (13), wherein the plurality of grooves (11) and the locking block (13) are respectively arranged at the bottom end of the upper joint (7) and the top end of the lower joint (14), and the plurality of grooves (11) and the locking block (13) correspond to each other.

4. A pig shed ventilation device according to claim 3, characterized in that: A positioning pin (12) is provided at the top and in the middle of the lower joint (14), and a positioning hole corresponding to the positioning pin (12) is provided at the bottom of the upper joint (7).

5. A pig shed ventilation device according to claim 1, characterized in that: A mounting ring (1) is fixedly connected to the circumferential outer wall of the mounting cylinder (3).

6. A pig shed ventilation device according to claim 1, characterized in that: A rotation speed sensor is arranged inside the installation cylinder (3), and the rotation speed sensor is connected to the rotating shaft (5).

7. A pig shed ventilation device according to claim 1, characterized in that: The bottom end of the installation cylinder (3) is detachably connected to a dust cover (4) via screws.

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