Electric butterfly valve, axial flow fan and breeding house

Abstract

The utility model discloses an electric butterfly valve, axial flow fan and breeding house, include: valve body, door board, actuating mechanism, door board hinged connection is in valve body, and actuating mechanism includes: driving part, rotary connector, connecting rod, fixed base, driving part is connected with rotary connector, and fixed base installs in door board, and connecting rod one end is hinged in rotary connector through ball head hinge structure, and the other end is hinged in fixed base through ball head hinge structure. Utilize ball head hinge structure to realize multidirectional flexible transmission, replaced the traditional complex gear or special connecting rod mechanism, make whole structure more simplified, and the commonality of parts is high, need not open mould to specific structure to thereby significantly reduced production manufacturing cost, simultaneously, this transmission mode cooperation driving part's control can realize the stepless regulation of door board opening, satisfy the accurate control demand of ventilation system to the air volume, avoided the problem that the environmental parameter fluctuation of traditional butterfly valve only can open or close completely caused.

Description

Technical Field

[0001] This utility model relates to the field of fan valve technology, and in particular to an electric butterfly valve and an axial flow fan. Background Technology

[0002] In the aquaculture industry, ventilation systems are core equipment for ensuring a healthy aquaculture environment. Axial flow fans are used in conjunction with butterfly valves to regulate airflow, ambient temperature, humidity, and the concentration of harmful gases.

[0003] At present, traditional butterfly valves mainly have the following technical defects and deficiencies: (1) The actuator drives the gear transmission mechanism or linkage transmission mechanism to realize the opening and closing control of the valve plate. This type of structure is complex and requires special parts to be made by mold for specific structures, resulting in high production and manufacturing costs. (2) Traditional butterfly valves can generally only realize the "fully open or fully closed" function, which leads to significant fluctuations in the environment of the breeding house, which is not conducive to the healthy growth of the breeding animals. Utility Model Content

[0004] This application provides an electric butterfly valve and an axial flow fan to solve the problems of high production cost and the fact that traditional butterfly valves can only be fully opened or fully closed.

[0005] The first aspect of this application provides an electric butterfly valve, comprising: Valve body; A door panel is hinged to the valve body and is used to control the opening and closing of the valve body; The actuator includes: a driving component, a rotating connector, a connecting rod, and a fixed base. The driving component and the rotating connector are connected to the valve body. The driving component has a driving end, which is connected to the rotating connector. The fixed base is installed on the door panel. One end of the connecting rod is hinged to the rotating connector via a ball joint hinge structure, and the other end is hinged to the fixed base via a ball joint hinge structure.

[0006] The beneficial effects of the above embodiments are as follows: the electric butterfly valve, through an actuator consisting of a drive component, a rotating connecting component, a connecting rod, and a fixed seat, utilizes a ball joint hinge structure to achieve multi-directional flexible transmission, replacing the traditional complex gear or dedicated linkage mechanism. This simplifies the overall structure, increases the versatility of parts, and eliminates the need for molds for specific structures, thereby significantly reducing manufacturing costs. Simultaneously, this transmission method, combined with the control of the drive component, enables stepless adjustment of the door opening, meeting the precise airflow control requirements of the ventilation system and avoiding the significant fluctuations in environmental parameters caused by traditional butterfly valves that can only be fully open or fully closed.

[0007] Based on the above embodiments, the embodiments of this application can be further improved as follows: In one embodiment of this application: there are two door panels, hinged to the uprights of the valve body, and the door panels are made of engineering plastic. The beneficial effect of the above embodiment is that it utilizes the high strength and excellent corrosion resistance of engineering plastics, solving the problem that traditional butterfly valve plates, which use carbon steel substrates and rely on anti-corrosion coatings, are prone to coating damage and peeling when exposed to corrosive media, environmental temperature fluctuations, and equipment mechanical vibrations over long periods, leading to substrate corrosion and reduced structural strength.

[0008] In one embodiment of this application: the rotating connector is a sheet metal bending structure. One end of the rotating connector is hinged to the valve body, the middle part is hinged to the drive component, and the other end extends to both sides with ear plates. The ear plates are used to connect the connecting rod. The advantages of this step are: the rotating connector is formed by sheet metal bending and has ear plates, which simplifies the processing technology, reduces material costs, and facilitates reliable connection with the ball joint hinge of the connecting rod, simplifying the assembly process.

[0009] In one embodiment of this application, the door panel surface is provided with a plurality of reinforcing ribs. The beneficial effect of this step is that providing reinforcing ribs on the door panel surface effectively enhances the structural rigidity and deformation resistance of the door panel, making it less prone to bending or damage when subjected to airflow pressure or frequent opening and closing, thus extending its service life.

[0010] In one embodiment of this application, sealing structures are provided between the door panel and the valve body, and between the door panels themselves. The beneficial effect of this step is that providing sealing structures between the door panel and the valve body, and between the door panels themselves, significantly improves the overall airtightness of the valve in the closed state.

[0011] In one embodiment of this application: the sealing structure includes a sealing strip, a raised edge disposed in the inner bore of the valve body, the end face of the raised edge facing the door panel serving as a sealing positioning surface, and the sealing strip surrounding the periphery of the door panel, the sealing strip contacting and sealing the sealing positioning surface. The beneficial effect of this step is that the sealing positioning surface formed by the raised edge of the valve body cooperates with the sealing strip surrounding the periphery of the door panel, achieving a reliable surface contact seal.

[0012] In one embodiment of this application, it further includes an auxiliary positioning mechanism disposed between the door panel and the valve body. When the door panel closes the valve body, the auxiliary positioning mechanism applies an external force to the door panel to move towards the valve body. The beneficial effect of this step is that the auxiliary positioning mechanism provides additional clamping force when the door panel is closed, ensuring that the sealing structure can be fully compacted, compensating for insufficient sealing pressure that may be caused by installation tolerances or long-term wear, and further improving the long-term reliability of the seal.

[0013] In one embodiment of this application: the auxiliary positioning mechanism includes a magnet and a magnetic suction element. The magnet is installed on the valve body, and the magnetic suction element is correspondingly installed on the door panel. The advantages of this step are: using a magnetic suction structure as the auxiliary positioning mechanism, automatic adsorption and locking are achieved using magnetic force, eliminating the need for additional complex mechanisms or power sources. The structure is simple, the operation is reliable, and the magnetic force helps the door panel close completely.

[0014] A second aspect of this application provides an axial flow fan, including the aforementioned electric butterfly valve.

[0015] A third aspect of this application provides a breeding shed, including the aforementioned axial flow fan. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0017] Figure 1 A schematic diagram of the electric butterfly valve in the open state; Figure 2 This is a schematic diagram of the actuator. Figure 3 Schematic diagram of the electric butterfly valve in the closed state; Figure 4 This is a structural diagram of the door panel.

[0018] Among them, 1 valve body, 101 column, 102 raised edge, 2 door panel, 201 reinforcing rib, 202 first sealing ring groove, 203 second sealing ring groove, 3 actuator, 301 driving component, 302 rotating connecting component, 303 connecting rod, 304 fixed seat, 4 sealing strip, 5 auxiliary positioning mechanism, 501 magnet, 502 magnetic suction component. Detailed Implementation

[0019] In this application, unless otherwise expressly specified and limited, the terminology used should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of different terms in this utility model according to the specific circumstances, and the scope of the specific meaning should be limited to achieving the function of this application.

[0020] In the description of this application, it should be understood that the directional terms or positional relationships described are based on the orientation or positional relationships shown in the accompanying drawings, or based on the orientation or positional relationships in actual use, and are only for the purpose of facilitating the description of the contents of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0021] Example 1 like Figure 1 , 2 As shown, an electric butterfly valve includes: a valve body 1, a door plate 2, and an actuator 3. The door plate 2 is hinged to the valve body 1 and is used to control the opening and closing of the valve body 1. The actuator 3 includes: a drive member 301, a rotating connector 302, a connecting rod 303, and a fixed seat 304. The drive member 301 and the rotating connector 302 are connected to the valve body 1. The drive member 301 has a drive end, which is connected to the rotating connector 302. The fixed seat 304 is installed on the door plate 2. One end of the connecting rod 303 is hinged to the rotating connector 302 through a ball joint hinge structure, and the other end is hinged to the fixed seat 304 through a ball joint hinge structure.

[0022] Specifically, such as Figure 3 As shown, the valve body 1 has a circular structure, and a column 101 is arranged in the inner hole of the valve body 1, which passes through the center of the inner hole.

[0023] Specifically, such as Figure 3 As shown, there are two door panels 2, each with a semi-circular structure. These two panels form a structure that matches the shape of the inner hole of the valve body 1. The door panels 2 are hinged to the column 101. The door panels 2 are made of engineering plastic. By utilizing the high strength and excellent corrosion resistance of engineering plastics, this design solves the problem of traditional butterfly valve plates, which use carbon steel substrates and rely on anti-corrosion coatings. In these cases, the coatings are easily damaged and peel off when exposed to corrosive media, subjected to environmental temperature fluctuations, and mechanical vibrations, leading to substrate corrosion and reduced structural strength.

[0024] Specifically, such as Figure 1 , 3 As shown, the actuator 3 is mounted on the column 101. The drive component 301 is a linear motor. The housing of the linear motor is hinged to the column 101, and the output end of the linear motor is hinged to the middle of the rotating connector 302.

[0025] Specifically, such as Figure 2As shown, the rotating connector 302 is a sheet metal bending structure. One end of the rotating connector 302 is hinged to the valve body 1, the middle part is hinged to the drive component 301, and the other end extends to both sides with ear plates, which are used to connect the connecting rod 303. The rotating connector 302 is formed by bending sheet metal and has ear plates, which simplifies the processing technology, reduces material costs, and facilitates a reliable connection with the ball joint hinge of the connecting rod 303, thus simplifying the assembly process.

[0026] Specifically, such as Figure 2 As shown, the connecting rod 303 is a ball-head connecting rod with ball heads at both ends. Both the lug plate and the fixed seat 304 are equipped with hinge seats. The ball heads are rotatably set in the hinge seats and together with the hinge seats form a ball-head hinge, thereby satisfying the rotation requirements of the connecting rod 303 during the operation of the drive component 301.

[0027] Specifically, such as Figure 4 As shown, the surface of the door panel 2 is provided with several reinforcing ribs 201. The reinforcing ribs 201 on the surface of the door panel 2 effectively enhance the structural rigidity and deformation resistance of the door panel 2, making it less prone to bending or damage when subjected to airflow pressure or frequent opening and closing, thus extending its service life.

[0028] Specifically, there are sealing structures between the door plate 2 and the valve body 1, and between the door plates 2 themselves. The presence of sealing structures between the door plate 2 and the valve body 1, and between the door plates 2 themselves, significantly improves the overall airtightness of the valve when it is closed.

[0029] Specifically, such as Figure 1 As shown, the sealing structure includes: a sealing strip 4; a raised edge 102 is arranged around the inner hole of the valve body 1; the end face of the raised edge 102 facing the door panel 2 is the sealing positioning surface; the sealing strip 4 is arranged around the periphery of the door panel 2; and the sealing strip 4 contacts and seals with the sealing positioning surface. The sealing positioning surface formed by the raised edge 102 of the valve body 1 cooperates with the sealing strip 4 surrounding the periphery of the door panel 2, achieving a reliable surface contact seal.

[0030] Specifically, such as Figure 4 As shown, the outer periphery of the semi-circular arc of the door panel 2 is provided with a first sealing ring groove 202. When the door panel 2 is closed, the opposite end faces of the two door panels 2 are provided with a second sealing ring groove 203. Both the first sealing ring groove 202 and the second sealing ring groove 203 are connected with sealing rings.

[0031] Specifically, such as Figure 1As shown, the electric butterfly valve also includes an auxiliary positioning mechanism 5, which is disposed between the door plate 2 and the valve body 1. When the door plate 2 closes the valve body 1, the auxiliary positioning mechanism 5 applies an external force to the door plate 2 in the direction of movement toward the valve body 1. The auxiliary positioning mechanism 5 provides additional clamping force when the door plate 2 is closed, ensuring that the sealing structure can be fully compacted. This compensates for insufficient sealing pressure that may be caused by installation tolerances or long-term wear, further improving the long-term reliability of the seal.

[0032] Specifically, the auxiliary positioning mechanism 5 is a magnetic structure, which is used to attach the door panel 2 to the valve body 1. By using a magnetic structure as the auxiliary positioning mechanism 5, automatic adsorption and locking are achieved using magnetic force. No additional complex mechanisms or power sources are required. The structure is simple, the operation is reliable, and the magnetic force helps the door panel 2 to close completely.

[0033] Specifically, such as Figure 1 As shown, the auxiliary positioning mechanism 5 includes a magnet 501 and a magnetic suction component 502. The magnet 501 is installed on the valve body 1, and the magnetic suction component 502 is correspondingly installed on the door panel 2. The magnetic suction structure is used as the auxiliary positioning mechanism 5, utilizing magnetic force to achieve automatic adsorption and locking. No additional complex mechanisms or power sources are required, resulting in a simple structure, reliable operation, and the magnetic force helps the door panel 2 close completely.

[0034] Specifically, such as Figure 1 As shown, the valve body 1 has multiple connecting plates fixed to its inner ring. The connecting plates are L-shaped. Magnets 501 are connected to the part of the connecting plates facing the door panel 2. The magnetic attractant 502 is an iron block and is fixed to the door panel 2. When the door panel 2 is closed, the magnetic attractant 502 is attracted by the magnet 501 as it gradually approaches the magnet 501, thereby generating a magnetic force between the door panel 2 and the valve body 1, which makes the door panel 2 more stably positioned on the valve body 1.

[0035] This type of electric butterfly valve uses a high-precision linear motor as its power source. The output end of the linear motor is connected to the rotating connector 302, which transmits linear power to the rotating connector 302. The rotating connector 302 rotates around its hinge point, converting the vertical linear power output by the linear motor into rotational torque, and then transmitting this torque to the universal ball joint hinge. The universal ball joint hinge utilizes its multi-directional rotation characteristics to change the direction of the rotational torque from the vertical plane to the horizontal plane. Subsequently, the horizontal torque is transmitted to the butterfly valve's door plate 2 through the actuator 303, driving the door plate 2 to rotate around the hinge axis, ultimately realizing the opening and closing action of the butterfly valve's door plate 2.

[0036] Example 2 An axial flow fan includes the electric butterfly valve disclosed in Embodiment 1.

[0037] Example 3 A breeding shed, including the axial flow fan disclosed in Example 2.

[0038] When this type of axial flow fan is used in a farm, the stepless adjustment method of its electric butterfly valve opening is as follows: Travel control: The intelligent controller collects environmental data such as temperature, humidity and concentration of harmful gases in the breeding house in real time, calculates the required ventilation volume according to the preset environmental control strategy, and converts the ventilation volume parameters into target travel control signals for the linear motor, which are then sent to the drive module of the linear motor.

[0039] Opening degree matching: The linear motor adjusts its output stroke according to the target stroke control signal. The change in the linear motor's stroke determines the rotation angle of the rotating connector 302, which in turn controls the rotation angle (i.e., opening degree) of the butterfly valve plate 2 through the power transmission chain, realizing arbitrary opening degree control of "not fully open / not fully closed", so that the ventilation volume is accurately matched with the calculated required ventilation volume.

[0040] Operating condition adaptation: Different opening degrees of electric butterfly valves correspond to different ventilation volumes. By adjusting the opening degree in real time, the ventilation system can dynamically adapt to changes in environmental parameters inside the breeding house, avoiding drastic fluctuations in ambient temperature and humidity caused by the traditional "fully open / fully closed" control mode, and ensuring a stable breeding environment. At the same time, adjusting the ventilation volume as needed can reduce the ineffective operation of the fan under low demand conditions, reduce energy consumption, and achieve energy-saving operation.

[0041] The above are merely embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. An electric butterfly valve, characterized in that, include: Valve body; A door panel is hinged to the valve body and is used to control the opening and closing of the valve body; The actuator includes: a driving component, a rotating connector, a connecting rod, and a fixed base. The driving component and the rotating connector are connected to the valve body. The driving component has a driving end, which is connected to the rotating connector. The fixed base is installed on the door panel. One end of the connecting rod is hinged to the rotating connector via a ball joint hinge structure, and the other end is hinged to the fixed base via a ball joint hinge structure.

2. The electric butterfly valve according to claim 1, characterized in that, The door panel consists of two pieces, which are hinged to the column on which the valve body is mounted. The door panel is made of engineering plastic.

3. The electric butterfly valve according to claim 2, characterized in that, The rotating connector is a sheet metal bending structure. One end of the rotating connector is hinged to the valve body, the middle part is hinged to the drive component, and the other end extends into ear plates on both sides. The ear plates are used to connect the connecting rod.

4. The electric butterfly valve according to claim 1, characterized in that, The door panel surface is provided with several reinforcing ribs.

5. The electric butterfly valve according to claim 1, characterized in that, There are sealing structures between the door panel and the valve body, and between the door panels themselves.

6. The electric butterfly valve according to claim 5, characterized in that, The sealing structure includes: a sealing strip; a raised edge is provided in the inner hole of the valve body; the end face of the raised edge facing the door panel is a sealing positioning surface; the sealing strip is arranged around the periphery of the door panel; and the sealing strip contacts and seals with the sealing positioning surface.

7. The electric butterfly valve according to claim 6, characterized in that, Also includes: An auxiliary positioning mechanism is disposed between the door panel and the valve body. When the door panel closes the valve body, the auxiliary positioning mechanism is used to apply an external force to the door panel to move in the direction of the valve body.

8. The electric butterfly valve according to claim 7, characterized in that, The auxiliary positioning mechanism includes a magnet and a magnetic suction component. The magnet is installed on the valve body, and the magnetic suction component is correspondingly installed on the door panel.

9. An axial flow fan, characterized in that, The electric butterfly valve includes any one of claims 1-8.

10. A type of livestock shed, characterized in that, Including the axial flow fan disclosed in claim 9.

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