Automatic exhaust valve device

Abstract

The present invention belongs to the technical field of exhaust valves, and discloses an automatic exhaust valve device, including a flange base, the flange base is connected with an inner valve shell, a spherical valve body, a stirring component, an elastic component and an outer valve cover, the inner valve shell is provided with an arc portion and an inner exhaust through hole, the spherical valve body is provided with a connecting portion, the elastic component includes a spring and a connecting block, the stirring component includes a stirring spindle, the stirring spindle is connected with a stirring blade and a connecting plate, the stirring spindle is provided with an exhaust side hole, the spherical valve body is provided with an exhaust channel, the exhaust channel includes a vertical channel and a horizontal channel, the horizontal channel includes a direct current chamber and at least two reflux chambers, and the side wall of the outer valve cover is provided with an outer exhaust through hole. The present invention uses a flange base to connect the exhaust valve device to a pipeline, the stirring component allows the gas mixed in the liquid to be more fully exposed, and the elastic component is connected to the spherical valve body so that it adjusts the connection frequency and connection area of ​​the exhaust channel according to the gas pressure in the pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of exhaust valves, in particular to an automatic exhaust valve device. Background Art

[0002] The hydraulic system mainly uses hydraulic oil to transfer energy, which requires the hydraulic oil to have good rigidity and continuity. If gas is mixed into the hydraulic oil, the rigidity and continuity of the hydraulic oil will be significantly reduced. The hydraulic system will produce vibration shock during operation, aggravating the wear of hydraulic components, resulting in a reduction in system service life and system reliability. The exhaust valve is one of the important components of the hydraulic system. It is generally installed at the highest point of the closed hydraulic system to exhaust the gas generated by the hydraulic system to ensure the service life and working reliability of the hydraulic system.

[0003] Existing exhaust valves include manual exhaust valves, mechanical automatic exhaust valves, and electronically controlled automatic exhaust valves. Among them, the manual exhaust valve cannot be opened automatically for exhaust, and requires the operator to manually open and close it. It requires manual intervention, has strong operation dependence, slow response speed, low operation convenience, and poor exhaust efficiency; the electronically controlled automatic exhaust valve is composed of a solenoid valve and a liquid level detection system. It uses detection elements such as photoelectric or sound waves to detect whether the liquid level has reached the exhaust liquid level, sends an exhaust enable signal to the controller, and the controller decides whether to exhaust and drive the exhaust solenoid valve to exhaust. It is composed of multiple / kinds of sensor components, and the control system is complex. It is affected by the detection accuracy, reliability and applicability (temperature, humidity, viscosity) of the sensor system, and the cost is high; the mechanical automatic exhaust valve mostly uses the difference in kinematic viscosity of liquid and gas to produce different pressure drops when flowing through the damping tube, and then controls the switch of the exhaust valve core to achieve the separation and discharge of part of the gas in the hydraulic system, but the existing mechanical automatic exhaust valve cannot make the gas mixed in the liquid more fully exposed, and the correlation between the exhaust speed and the air pressure in the system is poor. Summary of the invention

[0004] The present invention intends to provide an automatic exhaust valve device. After the exhaust valve device is connected to a pipeline by using a flange base, a stirring component is arranged on the inner side of the pipeline. The flow of liquid in the pipeline drives the stirring component to rotate, so that the gas mixed in the liquid is more fully exposed; the gas in the pipeline is discharged through the side hole of the stirring main shaft, the exhaust channel of the spherical valve body, the inner exhaust through hole of the inner valve shell and the outer exhaust through hole of the outer valve cover; the spherical valve body is connected by using an elastic component to adjust the connection frequency and connection area of ​​the exhaust channel according to the gas pressure in the pipeline; the problem that the existing mechanical automatic exhaust valve cannot expose the gas mixed in the liquid more fully and the exhaust speed has a poor correlation with the air pressure in the system is solved.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] An automatic exhaust valve device comprises a flange base connected to a pipeline, the flange base is connected to an inner valve shell, a spherical valve body, a stirring component, an elastic component and an outer valve cover, the inner valve shell is fixedly connected to the upper side of the flange base, the stirring component comprises a stirring spindle, the stirring spindle is rotatably connected to the flange base, the stirring spindle is fixedly connected to a plurality of stirring blades, the plurality of stirring blades are arranged on the outer side of the inner valve shell, the stirring spindle is rotatably connected to a connecting plate fixedly arranged on the inner side of the inner valve shell, the stirring spindle It is a cylinder with an opening on the upper side, and the stirring main shaft is provided with an exhaust side hole connected to the inner cavity; the spherical valve body is connected to the inner side of the inner valve shell through the elastic component, the spherical valve body is provided with an exhaust channel, and the exhaust side hole is connected to the exhaust channel; the inner valve shell is provided with an inner exhaust through hole, and the inner exhaust through hole is arranged on the upper side of the spherical valve body; the outer valve cover is sleeved on the outer side of the inner valve shell, the side wall of the outer valve cover is provided with an outer exhaust through hole, and the outer exhaust through hole and the inner exhaust through hole are intermittently staggered.

[0007] Furthermore, a positioning groove is provided on the upper surface of the flange base, and a protrusion matching with the positioning groove is provided on the lower side of the outer valve cover; the flange base and the outer valve cover are connected to the flange surface of the pipeline through fasteners.

[0008] Furthermore, the lower cavity of the inner valve shell is a cube, and the side length of the cube is equal to the diameter of the spherical valve body; the upper side of the inner valve shell is provided with an arc-shaped portion which is larger at the top and smaller at the bottom, and the inner side surface of the arc-shaped portion is tangent to the inner side surface of the cube, and the inner exhaust through hole is provided in the arc-shaped portion.

[0009] Furthermore, a connecting portion is provided on the upper side of the spherical valve body, and the elastic component is rotatably connected to the connecting portion.

[0010] Furthermore, the elastic component includes a spring and a connecting block, both ends of the spring are connected to the connecting blocks, and the spring is detachably connected to the connecting portion and the upper inner wall of the inner valve housing through the two connecting blocks.

[0011] Furthermore, the exhaust channel includes a vertical channel and several horizontal channels, and the several horizontal channels are connected to the upper end of the vertical channel; the vertical channel and the inner cavity of the stirring shaft are on the same central axis, and the several horizontal channels are evenly distributed with the center of the spherical valve body as the center.

[0012] Furthermore, the horizontal channel includes a direct current chamber and at least two reflux chambers, and the multiple reflux chambers are asymmetrically arranged on both sides of the direct current chamber, and the horizontal channel flows from the inside of the vertical channel to the outside side as a downstream flow, and the horizontal channel flows from the outside to the inside of the vertical channel as a countercurrent flow.

[0013] Furthermore, an arc-shaped groove is provided on the upper surface of the connecting plate, and when the elastic component is in a stationary state, the lower side of the spherical valve body is arranged on the inner side of the arc-shaped groove; the connecting plate is also provided with a vertical hole, and the vertical hole, the vertical channel and the inner cavity of the stirring main shaft are on the same central axis.

[0014] Furthermore, the exhaust side hole is arranged between the uppermost side surface of the stirring blade and the lower side surface of the flange base.

[0015] Furthermore, the stirring blades are worm gear blades with arc surfaces protruding outwards, there are three groups of stirring blades, and the three groups of stirring blades are spirally arranged along the axial direction of the stirring main shaft.

[0016] The principle and beneficial effects of the technical solution are:

[0017] 1. An automatic exhaust valve device provided by the present invention is connected to a pipeline by a flange base, the flange base is connected to an inner valve shell, a spherical valve body, a stirring component, an elastic component and an outer valve cover, and after the exhaust valve device is connected to the pipeline, the stirring blades of the stirring component are arranged on the inner side of the pipeline, and the flow of liquid in the pipeline will drive the stirring blades to rotate, stirring the liquid, so that the gas mixed in the liquid is more fully exposed, and the gas content in the liquid is reduced; the stirring main shaft is a cylinder with an opening on the upper side, and the stirring main shaft is provided with an exhaust side hole connected to the inner cavity, the spherical valve body is provided with an exhaust channel, and the exhaust side hole is connected to the exhaust channel, the inner valve shell is provided with an inner exhaust through hole, and the side wall of the outer valve cover is provided with an outer exhaust through hole, and the gas in the pipeline passes through the exhaust side hole, the inner wall of the stirring main shaft, and the outer wall of the outer valve cover. The air is discharged through the spherical valve body, the exhaust passage of the spherical valve body, the inner exhaust through hole of the inner valve shell and the outer exhaust through hole of the outer valve cover; wherein the spherical valve body is connected to the inner side of the inner valve shell by an elastic component, and the inner exhaust through hole is arranged on the upper side of the spherical valve body. When the gas pressure in the pipeline is relatively low, the spherical valve body is fixed under the action of the elastic component, and the gas is slowly discharged, and the stability of the entire exhaust device is good. When the gas pressure in the pipeline is relatively high, the spherical valve body overcomes the action of the elastic component and moves upward under the action of the air pressure, so that the connection area of ​​the exhaust passage of the spherical valve body is increased, the gas discharge is accelerated, and the exhaust efficiency is ensured. The outer valve cover is sleeved on the outer side of the inner valve shell, and the outer exhaust through hole and the inner exhaust through hole are intermittently arranged to reduce the amount and probability of external gas entering the inner side of the exhaust valve device.

[0018] 2. The automatic exhaust valve device provided by the present invention has a positioning groove on the upper surface of the flange base, and a protrusion matching the positioning groove is provided on the lower side of the outer valve cover, so that the relative position between the outer valve cover and the flange base is accurate and the connection stability is good; the flange base and the outer valve cover are connected to the flange surface of the pipeline through fasteners, so that the entire exhaust valve device is easy to disassemble and assemble;

[0019] 3. An automatic exhaust valve device provided by the present invention has a lower cavity of the inner valve shell as a cube, and the side length of the cube is equal to the diameter of the spherical valve body. The matching relationship between the inner valve shell and the spherical valve body is stable, and the opening and / or closing function of the exhaust channel opened by the spherical valve body is reliable; an arc portion with a larger upper portion and a smaller lower portion is provided on the upper side of the inner valve shell, and the inner side surface of the arc portion is tangent to the inner side surface of the cube, and the inner exhaust through hole is provided in the arc portion, so that when the spherical valve body restores to its initial state under the action of the elastic component, the movement of the spherical valve body is guided and limited, thereby ensuring the functionality of the entire exhaust valve device; a connecting portion is provided on the upper side of the spherical valve body, and the elastic component is rotatably connected to the connecting portion, thereby increasing the freedom of movement of the spherical valve body after being subjected to force; the elastic component is a spring with connecting blocks connected at both ends, and is detachably connected to the connecting portion and the upper inner wall of the inner valve shell, thereby facilitating the disassembly, assembly and replacement of the elastic component, and the air pressure that the entire device can adapt to can be adjusted by replacing springs with different elastic coefficients, thereby improving the interchangeability and economy of the entire device;

[0020] 4. An automatic exhaust valve device provided by the present invention has an exhaust channel configured as a vertical channel and a plurality of horizontal channels uniformly distributed with the center of the spherical valve body as the center of the circle. After the gas enters the plurality of horizontal channels through the vertical channel, as the air pressure increases, the gas in the horizontal channel drives the spherical valve body to rotate, so that different horizontal channels are periodically opened and / or closed, which can avoid the loss of the exhaust function of the exhaust valve device caused by the blockage of a certain channel, and can also improve the air pressure and uniformity of the exhaust gas, thereby improving the exhaust efficiency; a direct current chamber and at least two reflux chambers are arranged in the horizontal channel, and the plurality of reflux chambers are asymmetrically arranged on both sides of the direct current chamber, and the horizontal channel flows from the inside of the vertical channel to the outside side as a downstream flow, and flows from the outside to the inside of the vertical channel as a reverse flow; the gas in the pipeline passes through the exhaust side hole, the inner cavity of the stirring main shaft, the exhaust channel of the spherical valve body (vertical channel-water During the process of discharging from the horizontal channel, the inner exhaust through hole of the inner valve shell and the outer exhaust through hole of the outer valve cover, the gas is in the downstream direction, and the obstruction effect of the asymmetrically arranged reflux chamber on the gas is almost negligible; while during the process of the external gas entering the pipeline through the external exhaust through hole, the inner exhaust through hole of the inner valve shell, the exhaust channel of the spherical valve body (horizontal channel-vertical channel), the inner cavity of the stirring main shaft, and the exhaust side hole, the gas is in the reverse direction. After entering the direct current chamber of the horizontal channel, the gas is continuously dispersed into the reflux chamber. After hitting the inner wall, the gas in the reflux chamber is opposite to the initial flow direction, and "collides" with the inflowing gas, which greatly reduces and slows down the inflow of gas (the structural principle of the direct current chamber and the reflux chamber is consistent with the structural principle of the gas Tesla valve, and there is almost no resistance to the downstream gas, but there is a large resistance to the reverse flow gas), preventing the external gas from entering the pipeline;

[0021] 5. An automatic exhaust valve device provided by the present invention has an arc-shaped groove on the upper side of the connecting plate, and when the elastic component is in a stationary state, the lower side of the spherical valve body is arranged on the inner side of the arc-shaped groove to ensure the stability of the spherical valve body, and when the spherical valve body returns to its initial state under the action of the elastic component, the cooperation between the sphere and the groove facilitates the positioning of the sphere; the exhaust side hole is arranged between the uppermost side of the stirring blade and the lower side of the flange base to reduce the liquid in the pipeline from entering the inner side of the inner valve shell, thereby ensuring the patency of the exhaust passages of each component; the stirring blade is a worm wheel with an arc surface protruding outward, and three groups of stirring blades are arranged in an axial spiral along the stirring main shaft, so that when the stirring component rotates in the pipeline, a vortex is formed with the axial direction of the stirring main shaft as the axis center, which can reduce the liquid from entering the inner side of the exhaust valve device from the exhaust side hole, and the center of the vortex can also accumulate more gas to facilitate the discharge of gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 An exploded view of an automatic exhaust valve device of the present invention;

[0023] Figure 2 This is a structural schematic diagram of an automatic exhaust valve device connected to a pipeline according to the present invention;

[0024] Figure 3 It is a structural schematic diagram of an automatic exhaust valve device of the present invention after removing the outer valve cover;

[0025] Figure 4 This is a front view of an automatic exhaust valve device of the present invention with the outer valve cover removed;

[0026] Figure 5 for Figure 4 Sectional view of AA in the middle;

[0027] Figure 6 for Figure 4 Cross-sectional view of BB.

[0028] The names of the corresponding marks in the accompanying drawings are:

[0029] Flange base 1, positioning groove 11, inner valve shell 2, inner exhaust through hole 21, arc portion 22, spherical valve body 3, vertical channel 31, horizontal channel 32, connecting portion 33, stirring component 4, stirring main shaft 41, stirring blade 42, exhaust side hole 43, connecting plate 44, elastic component 5, connecting block 51, outer valve cover 6, outer exhaust through hole 61, fastener 7, pipeline 8, flange surface 81. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0031] like Figures 1 to 6 As shown, an automatic exhaust valve device includes a flange base 1 and an outer valve cover 6. A positioning groove 11 is provided on the upper surface of the flange base 1, and a protrusion matching the positioning groove 11 is provided on the lower side of the outer valve cover 6. The outer valve cover 6 is sleeved on the outer side of the inner valve shell 2. The flange base 1 and the outer valve cover 6 are connected to the flange surface 81 of the pipeline 8 through a fastener 7;

[0032] The flange base 1 is connected with an inner valve shell 2, a spherical valve body 3, a stirring component 4 and an elastic component 5. The inner valve shell 2 is fixedly connected to the upper side of the flange base 1. The lower cavity of the inner valve shell 2 is a cube, and the side length of the cube is equal to the diameter of the spherical valve body 3; an arc portion 22 with a larger upper portion and a smaller lower portion is provided on the upper side of the inner valve shell 2, and the inner side surface of the arc portion 22 is tangent to the inner side surface of the cube; the arc portion 22 is provided with an inner exhaust through hole 21, and the side wall of the outer valve cover 6 is provided with an outer exhaust through hole 61, and the outer exhaust through hole 61 and the inner exhaust through hole 21 are intermittently staggered; a connecting portion 33 is provided on the upper side of the spherical valve body 3, and the elastic component 5 includes a spring and a connecting block 51, both ends of the spring are connected to the connecting block 51, and the spring is detachably connected to the connecting portion 33 and the upper inner wall of the inner valve shell 2 through the connecting blocks 51 connected at both ends, and the connecting block 51 connected to the lower end of the spring is rotatably connected to the connecting portion 33;

[0033] The stirring assembly 4 includes a stirring main shaft 41, which is rotatably connected to the flange base 1. The stirring main shaft 41 is fixedly connected with three groups of stirring blades 42 arranged on the outside of the inner valve shell 2. The three groups of stirring blades 42 are all worm gears with arc surfaces protruding outward, and the three groups of stirring blades 42 are arranged along the axial spiral of the stirring main shaft 41; the stirring main shaft 41 is rotatably connected with a connecting plate 44 fixedly arranged on the inside of the inner valve shell 2, and the upper surface of the connecting plate 44 is provided with an arc-shaped groove. When the spring of the elastic component 5 is in a stationary state, the lower side of the spherical valve body 3 is arranged on the inner side of the arc-shaped groove; the stirring main shaft 41 is a cylinder with an opening on the upper side, and the stirring main shaft 41 is provided with an exhaust side hole 43 connected to the inner cavity, and the exhaust side hole 43 is arranged between the uppermost side of the stirring blade 42 and the lower side of the flange base 1;

[0034] The spherical valve body 3 is provided with an exhaust channel connected to the exhaust side hole 43, and the exhaust channel includes a vertical channel 31 and six horizontal channels 32. The six horizontal channels 32 are all connected to the upper end of the vertical channel 31, and the six horizontal channels 32 are evenly distributed with the center of the spherical valve body 3 as the center of the circle; the six horizontal channels 32 include a direct current chamber and at least two reflux chambers, and the multiple reflux chambers are asymmetrically arranged on both sides of the direct current chamber, and the horizontal channel 32 flows from the inside of the vertical channel 31 to the outside side as a downstream flow, and the horizontal channel 32 flows from the outside to the inside of the vertical channel 31 as a countercurrent flow, and the connecting plate 44 is provided with a vertical hole, and the vertical hole, the vertical channel 31 and the inner cavity of the stirring main shaft 41 are on the same central axis.

[0035] The specific implementation process is as follows:

[0036] When using the exhaust valve device, first select a spring with a suitable elastic coefficient to form an elastic component 5 according to the pressure in the pipeline 8, then snap the protrusion provided on the lower side of the outer valve cover 6 into the positioning groove 11 on the flange base 1, and then use the locking screw (the fastener 7 selected in this embodiment is a locking screw) to connect the outer valve cover 6 and the flange base 1 to the flange surface 81 of the pipeline 8, and the installation of the exhaust valve device is completed. The exhaust valve device can be used to realize automatic exhaust of the pipeline 8.

[0037] Among them, the upper surface of the flange base 1 is provided with a positioning groove 11, and the lower side of the outer valve cover 6 is provided with a protrusion that matches the positioning groove 11. When the outer valve cover 6 is connected to the flange base 1, the relative position of the two is accurate and the connection stability is good; the flange base 1 and the outer valve cover 6 are connected to the flange surface 81 of the pipeline 8 through the fastener 7, so that the disassembly and assembly of the entire exhaust valve device is convenient and quick;

[0038] After the exhaust valve device is connected to the pipeline 8, the stirring blade 42 of the stirring assembly 4 is arranged on the inner side of the pipeline 8, and the flow of liquid in the pipeline 8 drives the stirring blade 42 to rotate, stirring the liquid, so that the gas mixed in the liquid is more fully exposed, and the gas content in the liquid is reduced; the gas in the pipeline 8 is discharged in sequence through the exhaust side hole 43, the inner cavity of the stirring main shaft 41, the exhaust channel of the spherical valve body 3, the inner exhaust through hole 21 of the inner valve shell 2 and the outer exhaust through hole 61 of the outer valve cover 6; when the gas pressure in the pipeline 8 is relatively low, the spherical valve body 3 is fixed under the action of the spring, the gas is discharged slowly, and the stability of the entire exhaust device is good; when the gas pressure in the pipeline 8 is relatively high, the spherical valve body 3 overcomes the action of the spring and moves upward under the action of the air pressure, so that the connection area of ​​the exhaust channel of the spherical valve body 3 is increased, the gas discharge is accelerated, and the exhaust efficiency is ensured;

[0039] The lower cavity of the inner valve housing 2 is a cube with a side length equal to the diameter of the spherical valve body 3. The matching relationship between the inner valve housing 2 and the spherical valve body 3 is stable, and the opening and / or closing function of the exhaust passage opened by the spherical valve body 3 is reliable; an arc portion 22 is provided on the upper side of the inner valve housing 2. When the spherical valve body 3 returns to its initial state under the action of the spring, the arc portion 22 guides and limits the movement of the spherical valve body 3, thereby ensuring the functionality of the entire exhaust valve device;

[0040] The exhaust channel is configured as a vertical channel 31 and a plurality of horizontal channels 32 uniformly distributed with the center of the spherical valve body 3 as the center. After the gas enters the plurality of horizontal channels 32 through the vertical channel 31, as the air pressure increases, the gas in the horizontal channel 32 drives the spherical valve body 3 to rotate, so that different horizontal channels 32 are periodically opened and / or closed, which can avoid the loss of the exhaust function of the exhaust valve device caused by the blockage of a certain channel, and can also improve the air pressure and uniformity of the exhaust gas, thereby improving the exhaust efficiency. A direct current chamber and a reflux chamber are arranged in the horizontal channel 32. During the process of the gas in the pipeline 8 being discharged through the exhaust side hole 43, the inner cavity of the stirring main shaft 41, the exhaust channel (vertical channel 31-horizontal channel 32) of the spherical valve body 3, the inner exhaust through hole 21 of the inner valve shell 2 and the outer exhaust through hole 61 of the outer valve cover 6, the gas is downstream and the water The obstruction effect of the asymmetrically arranged reflux chamber of the flat channel 32 on the gas is almost negligible; and in the process of the external gas entering the pipeline 8 through the external exhaust through hole 61, the internal exhaust through hole 21 of the inner valve shell 2, the exhaust channel of the spherical valve body 3 (horizontal channel 32-vertical channel 31), the inner cavity of the stirring main shaft 41, and the exhaust side hole 43, the gas is countercurrent. After entering the direct current chamber of the horizontal channel 32, the gas is continuously dispersed into the reflux chamber. After the gas in the reflux chamber hits the inner wall, the flow direction is opposite, and it "collides" with the inflowing gas, which greatly reduces and slows down the inflow of gas and prevents the external gas from entering the pipeline 8; the external exhaust through hole 61 arranged on the outer valve cover 6 and the internal exhaust through hole 21 arranged on the inner valve shell 2 are intermittently arranged, which can also effectively reduce the amount and probability of external gas entering the inner side of the exhaust valve device;

[0041] When the elastic component 5 is in a stationary state, the lower side of the spherical valve body 3 is arranged on the inner side of the arc-shaped groove to ensure the stability of the spherical valve body 3. When the spherical valve body 3 returns to its initial state under the action of the elastic component 5, the cooperation between the sphere and the groove facilitates the positioning of the sphere; the exhaust side hole 43 is arranged between the uppermost side of the stirring blade 42 and the lower side of the flange base 1 to reduce the liquid in the pipeline 8 from entering the inner side of the inner valve shell 2, thereby ensuring the patency of the exhaust passages of each component; the stirring blade 42 is a worm wheel with an arc surface protruding outward, and three groups of stirring blades 42 are arranged along the axial spiral of the stirring main shaft 41. When the stirring component 4 rotates due to the flow of liquid in the pipeline 8, a vortex is formed with the axial direction of the stirring main shaft 41 as the axis, which can reduce the liquid from entering the inner side of the exhaust valve device from the exhaust side hole 43, and the blank space of the axis line of the vortex can also store more gas, which is convenient for the discharge of gas.

[0042] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An automatic exhaust valve device, comprising a flange base connected to a pipeline, characterized in that: The flange base is connected with an inner valve shell, a spherical valve body, a stirring component, an elastic component and an outer valve cover, the inner valve shell is fixedly connected to the upper side of the flange base, the stirring component includes a stirring main shaft, the stirring main shaft is rotatably connected to the flange base, the stirring main shaft is fixedly connected with a plurality of stirring blades, the plurality of stirring blades are arranged on the outer side of the inner valve shell, the stirring main shaft is rotatably connected with a connecting plate fixedly arranged on the inner side of the inner valve shell, the stirring main shaft is a cylinder with an upper opening, and the stirring main shaft is provided with an exhaust side hole connected with its inner cavity; the spherical valve body is connected to the inner side of the inner valve shell through the elastic component, the spherical valve body is provided with an exhaust channel, and the exhaust side hole is connected with the exhaust channel; the inner valve shell is provided with an inner exhaust through hole, and the inner exhaust through hole is arranged on the upper side of the spherical valve body; the outer valve cover is sleeved on the outer side of the inner valve shell, the side wall of the outer valve cover is provided with an outer exhaust through hole, and the outer exhaust through hole and the inner exhaust through hole are intermittently staggered; The exhaust side hole is arranged between the uppermost side of the stirring blade and the lower side of the flange base; the stirring blade is a worm wheel with an arc surface protruding outward, and there are three groups of stirring blades, and the three groups of stirring blades are arranged along the axial spiral of the stirring main shaft.

2. An automatic exhaust valve device according to claim 1, characterized in that: The upper surface of the flange base is provided with a positioning groove, and the lower side of the outer valve cover is provided with a protrusion that matches the positioning groove; the flange base and the outer valve cover are connected to the flange surface of the pipeline through fasteners.

3. The automatic exhaust valve device according to claim 1, characterized in that: The lower cavity of the inner valve shell is a cube, and the side length of the cube is equal to the diameter of the spherical valve body; the upper side of the inner valve shell is provided with an arc-shaped portion that is larger at the top and smaller at the bottom, and the inner side surface of the arc-shaped portion is tangent to the inner side surface of the cube, and the inner exhaust through hole is provided in the arc-shaped portion.

4. The automatic exhaust valve device according to claim 1, characterized in that: A connecting portion is provided on the upper side of the spherical valve body, and the elastic component is rotatably connected to the connecting portion.

5. An automatic exhaust valve device according to claim 4, characterized in that: The elastic component comprises a spring and a connecting block, both ends of the spring are connected to the connecting blocks, and the spring is detachably connected to the connecting portion and the upper inner wall of the inner valve housing through the two connecting blocks.

6. The automatic exhaust valve device according to claim 1, characterized in that: The exhaust channel includes a vertical channel and several horizontal channels, and the several horizontal channels are connected to the upper end of the vertical channel; the vertical channel and the inner cavity of the stirring main shaft are on the same central axis, and the several horizontal channels are evenly distributed with the center of the spherical valve body as the center.

7. An automatic exhaust valve device according to claim 6, characterized in that: The horizontal channel includes a direct current chamber and at least two reflux chambers, and the multiple reflux chambers are asymmetrically arranged on both sides of the direct current chamber. The horizontal channel flows from the inside of the vertical channel to the outside side in a forward flow, and flows from the outside to the inside of the vertical channel in a reverse flow.

8. An automatic exhaust valve device according to claim 6, characterized in that: An arc-shaped groove is provided on the upper surface of the connecting plate. When the elastic component is in a stationary state, the lower side of the spherical valve body is arranged on the inner side of the arc-shaped groove. The connecting plate is also provided with a vertical hole, and the vertical hole, the vertical channel and the inner cavity of the stirring main shaft are on the same central axis.

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