42results about How to "Open reliable" patented technology

The present invention discloses a vacuum door valve and a display panel vacuum baking device, which relate to the field of valve technology. A vacuum door valve provides stable support for the sealing plate by setting two piston rods, the second cylinder and the guide mechanism. The guide mechanism is designed to guide the movement direction of the sealing plate, so that the sealing plate can smoothly reciprocate under the drive of the second cylinder, avoiding the sealing plate from tilting when performing the back-and-forth reciprocating motion, ensuring a good sealing effect when the sealing plate seals the external sealing hole; a display panel vacuum baking device, which is equipped with a vacuum door valve with high-efficiency sealing performance, realizes reliable sealing and opening of the cavity a in the baking box, ensuring that the product can be baked in a sealed vacuum environment, thereby improving the baking quality of the product.

The invention belongs to the technical field of steam heating, and discloses a self-recovery liquid level control valve which comprises an end cover assembly, a valve body, a valve element assembly, a middle auxiliary plate and an air cylinder assembly, the air cylinder assembly is installed on the end cover assembly, an air cylinder piston rod is connected with a valve rod, and the air cylinder assembly does not participate in control under the normal condition. Liquid flows in from the valve inlet, the valve is initially in a closed state, the volume of the liquid is increased, the liquid level rises, buoyancy borne by the valve element is increased, and the valve element is opened when the buoyancy is larger than valve closing pressure. When the valve is opened, liquid is discharged from the outlet, the liquid level of the liquid is continuously reduced, the valve cannot be closed immediately when the liquid flows out, and the valve is closed until the liquid level is reduced to a certain height; an upper liquid level sensor and a lower liquid level sensor are installed in the valve, the valve is not closed when the liquid level is lower than a lower limit, the air cylinder forcibly closes the valve, the valve is not opened when the liquid level is higher than an upper limit, the air cylinder forcibly opens the valve, and opening and closing of the valve are fed back by a proximity switch on the air cylinder assembly.

The invention relates to a valve (1) having a valve stem and a closing member (3) arranged on the valve stem for closing a valve opening (4), the closing member (3) being displaceable between a closed position and a maximum open position by means of the valve stem only linearly in a direction parallel to a longitudinal extension of the valve stem, and having a valve drive (7) which drives the closing member (3) in the direction parallel to the longitudinal extension of the valve stem. The invention relates to a valve drive (7) having a manually actuatable handle (8), the valve drive (7) having a valve drive housing (9) and at least one lever pair (10), each lever pair (10) having a first lever (11) and a second lever (12).

This invention discloses an electronically controlled suspension cylinder, an electronically controlled suspension system, and engineering machinery. The electronically controlled suspension system includes two electronically controlled suspension cylinders, a central rotating body, and an accumulator. Each electronically controlled suspension cylinder includes an electromagnetic directional valve and a suspension cylinder. The valve port of the electromagnetic directional valve is connected to the oil port of the suspension cylinder via a pipeline. The electromagnetic coils of the electromagnetic directional valves of the two electronically controlled suspension cylinders are connected and then connected to the central rotating body. The oil ports at the top of the two electronically controlled suspension cylinders are connected, and an accumulator is installed on the connecting line. This invention associates the activation signal of the electronically controlled suspension system with the vehicle's travel signal. Whenever the vehicle is in motion, the electronically controlled suspension system activates. When activated, the two electronically controlled suspension cylinders and the accumulator are interconnected, providing a shock absorption effect. This invention uses the electromagnetic directional valve and the suspension cylinder in conjunction, eliminating the need for a hydraulically controlled check valve assembly. The suspension system activation is reliable, and there is no risk of instantaneous closure.

The utility model relates to the technical field of hairdressing supplies, and discloses a hair straightening structure with two sides capable of being stably opened and a hairdressing device.The hair straightening structure comprises a grab handle and a heating tube, the heating tube comprises a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate are both connected with the grab handle in a hinged mode; the driving mechanism is used for driving the second clamping plate and the first clamping plate to rotate and open at the same time and comprises a transmission arm component; when external force drives the first clamping plate to rotate and open, the first clamping plate simultaneously drives the second clamping plate to rotate and open through the transmission arm component. Through the arrangement of the transmission arm part, transmission between the first clamping plate and the second clamping plate is more reliable, the first clamping plate and the second clamping plate can be stably opened at the same time, the problem that the two clamping plates cannot be normally opened is avoided, and the use experience is good.

This invention discloses a crane winch descent energy recovery system and method, belonging to the field of hydraulic system control technology. It solves the problems of traditional gravitational potential energy recovery via accumulators, which result in throttling and heating, large accumulator size, pressure differential, and safety hazards. This recovery system includes a hydraulic pump, electric motor, battery, generator, engine, hydraulic motor, multi-way valve, flow control module, winch motor, and brake. The flow control module consists of a pressure compensation valve and a balance valve connected in series. During descent, the load drives the winch motor to reverse and output high-pressure oil, which drives the hydraulic motor to generate electricity and store it in the battery. During ascent, the battery powers the hydraulic pump, and the electrical energy can also be used for lighting and control systems. This invention replaces the accumulator with a battery, reducing size and extending pressure holding time; the flow control module ensures that the speed does not change with the load weight, but only with the current of the multi-way valve, improving the controllability of lifting speed.

The utility model belongs to the aquaculture technical field especially relates to a kind of filtering equipment for aquaculture circulating water, including circulating water filter cylinder, the water inlet and water outlet are respectively arranged in the upper and lower ends of circulating water filter cylinder, coarse filter screen and fine filter screen are sequentially arranged in the inside lower end of circulating water filter cylinder, the dismounting mouth is set up in the middle part of the front end of circulating water filter cylinder, supporting frame is installed in the middle part of circulating water filter cylinder, and the slow flow cylinder is placed on the supporting frame. By being provided with the dismounting mouth in the middle part of circulating water filter cylinder, and the slow flow cylinder that is attached to the inner wall of circulating water filter cylinder is installed in the dismounting mouth, the slow flow cylinder can be effectively prevented from tilting, the water flow is buffered and preliminary impurity separation is realized, and the impurities are intercepted in the collecting tank, then double sealing is formed by sealing plate and sealing sleeve, the airtightness during normal operation of equipment is ensured, and water leakage is effectively prevented.

This invention belongs to the field of check valve technology, specifically a float-type check valve, including a valve body, a mounting base, a float housing, and a hollow float. The float housing is rotatably assembled via a spherical seat on the mounting base. A ball bearing is provided between the spherical seat and the ball head of the float housing, allowing the float housing to automatically adjust its verticality when the valve body is tilted, maintaining its central axis perpendicular to the horizontal plane. The float housing has a through hole communicating with the inlet, a spherical cavity accommodating the float, and a through groove communicating with the outlet. A branch channel extending to the valve seat sealing surface is opened on the inner wall of the through hole, which can assist in pushing the float open during forward flow. A multi-stage staggered-hole throttling disc is provided on the inner side of the outlet end to reduce the reverse flow velocity. The float housing adopts a split plug-in structure. This invention solves the problems of poor sealing, difficulty in opening under low pressure, and susceptibility to water hammer in traditional float valves installed at tilted angles. It has advantages such as reliable sealing, sensitive response, and adaptability to complex installation environments.

The utility model discloses a mixer discharge port structure, specifically includes the open and close component for opening or closing the discharge port, open and close component includes two groups of moving plate, and one group of moving plate is provided with pipe socket and guide seat, and the other group of moving plate is provided with the shielding cover of sliding, wherein pipe socket is used for fixed pipe fitting, and guide seat is used for guiding the head end of pipe fitting to be inclined to the discharge port and extend into it. The utility model discloses the open and close component in the mixer discharge port structure is arranged, has realized reliable opening and closing operation to the discharge port, has prevented the splashing of cement mortar in the mixing process effectively, has avoided the environmental pollution of the site, has promoted the neatness of construction environment. Through the cooperation of pipe socket and guide seat, can firmly fix the water pipe at the discharge port, effectively prevent the water pipe from under the water pressure counter -thrust effect and take out, ensure the continuous stability of the water injection process.

The utility model discloses a stepped desilting building which comprises a hollow dam body with a U-shaped longitudinal section, a lifting device, a sand outlet and a plurality of desilting devices. The multiple desilting devices are arranged on the side wall, facing the reservoir, of the hollow dam body in the vertical direction, and the lengths, extending out of the side wall, of the multiple desilting devices are increased from top to bottom. The hoisting device is arranged at the dam crest and is connected with each desilting device; the sand outlet is formed in the wall, away from the reservoir, of the hollow dam body and communicates with the multiple sand discharging devices. According to the utility model, the lengths of the plurality of desilting devices extending out of the side wall are arranged in a stepped manner which is increased from top to bottom, and the adjacent desilting devices do not influence each other when the desilting devices are opened and closed by utilizing a hoisting device, so that the operation is more flexible when the desilting devices are opened according to the water level; sand flushing erosion to the datum plane can be reduced as much as possible according to the sand flushing requirement, water flow kinetic energy is fully utilized, and the water flow sand flushing efficiency is improved.

This utility model discloses a thrust reverser rocket plug structure for the execution compartment, including a plug shell, flat washers, spring washers, and screws. The mounting and positioning surface of the plug shell and the execution compartment is an elliptical plane, and the exposed surface is a cylindrical surface. Multiple countersunk holes for installing fastening screws are distributed along the edge of the shell. Each countersunk hole has a fixed bottom thickness and multiple radial through grooves evenly distributed around its central through hole. When installing the thrust reverser rocket plug on the execution compartment, first place the elliptical plane of the plug shell onto the corresponding mounting surface of the execution compartment, then insert the flat washer and spring washer into each countersunk hole in sequence, and finally tighten the connecting screws. This plug structure can simultaneously meet the requirements of the execution compartment for installing the thrust reverser rocket, ensuring that the thrust reverser rocket plug shell can reliably open during rocket operation and reliably seal under high-altitude, low-pressure conditions.

This utility model discloses an electric greenhouse film winding device, including a first winding support assembly and a second winding support assembly. The second winding support assembly includes a lower fixed mounting base, a U-shaped column fixed on the lower fixed mounting base with its opening facing away from the supporting arch frame, a strip groove opened in the U-shaped column in the longitudinal direction, a rack fixed in the U-shaped column in the longitudinal direction, a support shaft passing through the strip groove, a gear sleeved on the support shaft and meshing with the rack, a motor mounting plate slidably disposed on the side of the U-shaped column, a winding reduction motor fixed on the motor mounting plate and connected to the support shaft, a second traveling support roller and a third traveling support roller disposed on the inner side of the motor mounting plate, a first rolling bearing respectively sleeved on the second traveling support roller and the third traveling support roller, and a traveling wheel disposed on the first rolling bearing. The traveling wheel is placed inside the U-shaped column and rolls in the longitudinal direction.

The present invention discloses a Push-Pull locking structure for preventing accidental touch of welcoming guests, comprising a handle base, an outer handle structure movably connected to the handle base, and a Push-Pull opening structure for driving the outer handle structure to move in the handle base, and also comprising an anti-accidental touch component for locking the Push-Pull opening structure in an initial position, when the Push-Pull opening structure is in an initial position, the anti-accidental touch component comprises a locked state and a free state, when the anti-accidental touch component is in a locked state, the Push-Pull opening structure is in a position locked state; the anti-accidental touch component is electrically and / or mechanically linked to a car door lock mechanism. The present invention can prevent the handle from being opened by accidental touch by providing an anti-accidental touch component electrically and / or mechanically linked to a car door lock mechanism.

The present invention discloses a valve body mechanism with a valve cover that can be automatically ejected, which solves the problem of how to realize convenient manual intervention and reliable opening of the valve cover in an emergency. First, a valve cover ejection compression spring (8) is sleeved on the plug body of a cylindrical plug-shaped valve cover (6), and then a compression spring assembly annular process plate (9) is sleeved on the plug body of the cylindrical plug-shaped valve cover (6), and a compression spring assembly bolt (12) is screwed with a process plate connecting screw hole (10) on the compression spring assembly annular process plate (9), so that an L-shaped groove (13) on the outer circle of the inner end surface of the plug body of the cylindrical plug-shaped valve cover (6) is matched with an outer pin head of a movable pin (16) in a movable pin cylinder seat (14); the cylindrical plug-shaped valve cover (6) is rotated counterclockwise so that the outer pin head of the movable pin (16) is clamped to the arc-shaped horizontal section of the L-shaped groove (13), thereby completing the pin body limiting the cylindrical plug-shaped valve cover (6); the present invention is simple and fast to install and can be put in place in one go.

The invention relates to a pneumatic opening scheme for a transformer accident oil drain pipeline, which is composed of a pneumatic valve, a bursting disc assembly and a pneumatic control system. When a serious fault occurs in the transformer and the oil needs to be drained, the bursting disc is first opened through the pneumatic control system, and then the pneumatic valve is opened to achieve remote manual or electronic control of the transformer oil draining in a safe area. At the same time, the pneumatic control system can open the pneumatic valve provided on the flame-retardant gas pipeline to inject flame-retardant gas into the transformer to achieve fire prevention and fire extinguishing; at the same time, it can also realize oil storage cabinet interception and directional oil drainage; at the same time, it adds the necessary conditions of optical detection and pressure detection for determining transformer fault oil drainage and nitrogen injection. This scheme solves the problems that the existing equipment cannot safely drain oil when the transformer is in danger and the existing oil drainage and nitrogen injection system is unreliable to start.

The invention relates to a differential protection method and system for a transformer high-voltage side long-distance lead, and belongs to the technical field of power system relay protection. The method comprises the following steps: when a power grid system is disturbed, judging whether differential current starting elements on two sides of a line are connected with a voltage transformer or not; when the two sides are connected, the differential current starting element on one side with obvious voltage fault characteristics is automatically started, and the differential current starting element on one side with unobvious voltage fault characteristics is controlled to be started; when only one side is accessed and the voltage fault characteristic of the accessed side is obvious, the differential current starting element of the accessed side is automatically started, and the differential current starting element of the non-accessed side is controlled to be started; if the voltage fault characteristic of the accessed side is not obvious, the differential current starting elements at the two sides adopt the differential current criterion; and when the two sides are not connected, the differential current starting elements on the two sides adopt the differential current criterion. According to the invention, the differential current starting element can be started quickly and reliably.

The invention relates to a motor vehicle locking device, in particular a motor vehicle lock, preferably a motor vehicle cover lock. The locking device is equipped with locking mechanisms (1, 2) mainly comprising a bolt (1) and a pawl (2). Furthermore, a helical torsion spring (5) is provided for acting on the locking pin (3) which interacts with the locking mechanism (1, 2). According to the invention, the helical torsion spring (5) has a rectangular cross-section.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

The application discloses a kind of folding wing cruise vehicle mounting and launching device and launching method, device is by launching barrel, force frame, hanging point, separation ring, control device, buffer pad, torsion spring hinge, guide frame, hatch control steering gear, hatch and mounting rack composition;The mounting and launching device reduces the aerodynamic interference between the folding wing cruise vehicle launching process and carrying platform, greatly improves the launching safety.And the mounting and launching device has no pyrotechnics and deceleration parachute, simple mechanism, safe, reliable, low cost, can be reused repeatedly;At the same time, its working process is given, and the launching device is opened, the folding wing cruise vehicle is separated from the launching barrel, the separation ring is unlocked, the separation ring is separated from the cruise vehicle, the cruise vehicle folding wing is unlocked and unfolded, the cruise vehicle enters the flight state, the separation ring is recycled, and the hatch is closed. The launching separation process completes the launching of the cruise vehicle.

The invention relates to a component (28) having a water-binder mixture (2) comprising water and a hydraulic binder and a print head (1) for controlled output of the water-binder mixture, the print head having a supply channel (3) for supplying the water-binder mixture, an outlet (4) fluidically connectable to the supply channel and a valve (5), by means of which the outlet can be opened and closed in a controlled manner, whereby a predetermined dose (49) of the water-binder mixture can be output through the outlet, the outlet having a diameter (20) between 0.5 and 2.0 mm, preferably: the hydraulic binder is selected from the group consisting of Portland cement, calcium aluminate cement, calcium sulfoaluminate cement and mixtures thereof, and / or the water-binder mixture comprises at least one additive, preferably a flow agent. The invention also relates to the use of the component, a method for outputting a water-binder mixture by means of the component, a 3D printing device, and a method for manufacturing a 3D component by means of a 3D printing device.

This invention relates to the field of sampling equipment technology, specifically to an intelligent sampling device for wheat distillers' grains fermentation. The intelligent sampling device includes a multi-stage sampling rod and an outer shell. The multi-stage sampling rod is composed of multiple sampling rods, which are nested and connected sequentially and slide relative to each other. The outermost sampling rod is nested inside the outer shell. Each sampling rod has a protruding conical portion in the middle of its segment, which cooperates with the buoyancy of the fermentation liquid. Both the sampling rod and the inner wall of the outer shell have grooved portions. Multiple liquid sampling ports are evenly distributed circumferentially at the conical angle of the conical portion of each sampling rod. A door is installed at each liquid sampling port, and a guide block is provided on the door. The door slides in cooperation with the grooved portion of the previous sampling rod or the outer shell through the guide block. This invention avoids sample mixing, improves sampling efficiency and accuracy, facilitates operation, and ensures sample purity.

The invention discloses a coal bed gas particulate matter filtering device, and belongs to the field of coal bed gas, the filtering device comprises a box body, an air inlet pipe arranged at one end of the box body, an air outlet pipe arranged at the other end of the box body and communicated with the air inlet pipe, and a filter screen arranged in the air inlet pipe; a bent pipe communicated with the air inlet pipe and the air outlet pipe is arranged on the box body; the box body is provided with a purging structure used for purging pulverized coal particles adsorbed to the lower end of the filter screen. The blowing structure comprises an air collecting pipe inserted into the bent pipe, an air capturing pipe which is fixedly arranged at one end, close to the air inlet pipe, of the air collecting pipe and is used for capturing gas, a microporous aeration pipe which is arranged on the air inlet pipe and corresponds to the lower end of the filter screen, and connecting pipes which are arranged at two ends of the air collecting pipe and are communicated with the microporous aeration pipe. The pulverized coal particles at the lower end of the filter screen can be purged through the purging structure, the aggregation degree of the pulverized coal particles is reduced, the filtering efficiency is improved, frequent cleaning of the filter screen is reduced, and the service life of the filter screen is prolonged.

The invention discloses a disturbance suppression method and system for a power supply of a motor driving mechanism of a high-voltage circuit breaker to stabilize the power supply voltage of the motor driving mechanism in the high-voltage circuit breaker. A bus regulator is connected in parallel to a capacitor bank on the power supply side of the motor driving mechanism of the high-voltage circuit breaker, and a power supply bus regulator model of the motor driving mechanism of the high-voltage circuit breaker is established; based on the high-voltage circuit breaker motor driving mechanism power supply bus regulator model, constructing a state variable and solving a state equation; selecting a non-singular fast terminal sliding mode surface of the bus regulator according to the state equation, limiting parameters of the non-singular fast terminal sliding mode surface of the bus regulator by using a stability theorem, and eliminating voltage fluctuation of a power supply caused by loading and unloading of a motor driving mechanism of the high-voltage circuit breaker. Therefore, stable operation of the motor driving mechanism of the high-voltage circuit breaker is ensured, and reliable opening or closing operation of the high-voltage circuit breaker is realized.

The utility model discloses an execution cabin counter -thrust rocket plug, including plug shell, flat washer, spring washer and screw, the installation location surface of plug shell and execution cabin is an oval plane, and the exposed surface is a cylindrical surface, and there are multiple countersunk slot holes for installing fastening screw at the edge of shell, and the thickness of bottom slot hole is certain. When installing counter -thrust rocket plug on execution cabin, first, place oval plane of plug shell to corresponding installation surface of execution cabin, then put flat washer, spring washer in each countersunk slot hole in turn, and finally, tighten connecting screw. The plug of the utility model can meet the requirement of the execution cabin of installing counter -thrust rocket that the counter -thrust rocket plug shell can be reliably opened when counter -thrust rocket works and can be reliably sealed under high altitude low pressure condition.

The invention belongs to the technical field of sand prevention of underground operation machinery, and discloses a sliding sleeve opening and closing tool and application. The sliding sleeve opening and closing tool is structurally characterized in that an upper connector and a lower connector are in threaded connection through a set screw, a blocking sleeve is in threaded connection with the upper connector, and a bilateral gripper is provided with a groove through the blocking sleeve and a condom gland; a cylindrical spiral compression spring is placed in the groove, a condom is in threaded connection with the upper connector, a shear pin is in threaded connection with the upper connector, a groove is formed in the tail end of the upper connector, an O-shaped sealing ring is arranged in the groove, and sealing of the upper connector and the lower connector is guaranteed. The sliding sleeve can be reliably opened or closed; opening and closing of the sliding sleeve can be verified; the sheath can be opened or closed again by repeatedly lifting and placing the sliding sleeve switch tool when the sheath is opened or closed by mistake due to misoperation; the sliding sleeve is provided with a safety connector mechanism and can be forcibly released.

The invention relates to the technical field of valves, in particular to a power-level two-way hydraulic control main valve which comprises a main valve body, a valve sleeve is arranged in the main valve body, a valve element is arranged in the valve sleeve, the valve element is connected with a two-way hydraulic control device, the two-way hydraulic control device controls the valve element to act, the valve is controlled through high-pressure oil, and the valve is stable in state and good in anti-seismic effect. The action speed of the valve can be controlled, the valve is driven to act through high-pressure oil under the small driving power of the electromagnetic valve, then the driving force of the valve is increased, and the corresponding speed of the valve is increased.

The invention relates to a motor vehicle (100) having a traction battery module (10), the traction battery module having a tightly sealed module housing (20), in which at least one cell stack pair (600) is accommodated, each cell stack pair consisting of a left cell stack (60) and a right cell stack (60'). The traction battery module (10) is arranged on a vehicle floor (102) and extends symmetrically in a vehicle transverse direction (X) relative to a vehicle center (M). The traction battery module has a bottom wall (26) in a horizontal plane. In the module housing (20) located in the vehicle center (M) and relative to the vehicle transverse direction (X), a gas space (66) is formed between the left cell stack (60) and the right cell stack (66'), and the module bottom wall (26) has a venting element (30) in the region of the gas space (66) in the vehicle center.

The invention relates to an overpressure valve for the regulated discharge of an overpressure of a gas, in particular CO2, from a refrigerant circuit of a vehicle, comprising:-a valve body (1) having a gas inlet (11) and a gas outlet (12) and a flow channel (13) connecting the gas inlet (11) and the gas outlet (12); a sealing piston (2) which is arranged in the flow channel (13) so as to be movable in particular along the axis of the valve body (1) relative to a sealing surface (14), which is arranged on the valve body (1) and which is in particular of conical design, and which has a conical piston sealing surface (21), the piston sealing surface abuts against the sealing surface (14) in the closed state and closes the flow channel (13); an adjusting bolt (4) for adjusting the opening pressure, the adjusting bolt in the valve body (1) being arranged downstream of the sealing piston (2) in the flow channel (13); and-a spring (3), in particular a compression spring, which is arranged between the sealing piston (2) and the adjusting bolt (4) and which applies a closing force to the sealing piston (2) in order to bear against the sealing surface (14); and wherein the sealing piston (2), the valve body (1) and the spring (3) are designed in such a way that, when a defined pressure level at the gas inlet (11) is exceeded, the sealing piston (2) is displaced against the spring (3) in the opening direction and releases a passage cross-section for the gas and can be returned from an open state into a closed state when below the pressure level, wherein the piston sealing surface (21) has a piston angle (a) between 26 DEG and 35 DEG, in particular 26.5 DEG and 28.5 DEG, and wherein the sealing surface (14) of the valve body (1) has a body angle (beta) between 27 DEG and 38 DEG, in particular 30 DEG and 31 DEG, and wherein the ratio of the body angle (beta) to the piston angle (a) is 15 / 14 < = beta / alpha < = 124 / 108.

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.