31914results about "Valve housings" patented technology

In some implementations, an apparatus includes a curved portion of a storage tank having an exterior surface, having an interior surface and having a defect, the apparatus also includes a steel patch positioned over the curved portion of a storage tank, a plurality of studs and nuts positioned near an outer perimeter of the steel patch, in which the plurality of studs being friction welded to the exterior surface of the curved portion of a storage tank.

The invention provides a reflux valve supporting remote monitoring of the Internet of Things. The reflux valve comprises a valve body provided with a fluid inlet, a fluid outlet and an internal flow channel, and an electric actuating mechanism is configured for controlling the opening degree of the valve; a microprocessor and a memory are arranged in the control unit, and the control unit processes data of the sensor, calculates a fluid density correction coefficient and a pressure correction coefficient, corrects original flow data collected by the flow sensor and generates an actual flow value; the control unit further identifies the current fluid type and adaptively adjusts the countercurrent detection threshold value of the upstream and downstream pressure difference based on the relationship between the flow and the pressure data; when the pressure difference exceeds the adjusted threshold value, the electric executing mechanism executes emergency turn-off operation; meanwhile, a wireless communication unit is arranged, real-time data transmission is supported, control parameters issued by external monitoring equipment are received, and intelligent control and remote management are achieved; the intelligence and the operation efficiency of the reflux valve can be effectively improved, and the reflux valve is suitable for safety protection and operation optimization under the complex fluid working condition.

In one instance, a dynamic slab gate valve includes a valve body having a through-bore formed therethrough; a round gate cavity formed within the valve body and orthogonal to and bisecting the though-bore; and at least two retrofit slabs located within the round gate cavity. The retrofit slabs form a slab gate cavity having two parallel planar sides. A slab gate is disposed within the slab gate cavity. In another instance, a method for retrofitting a round gate valve includes the steps of removing a round gate from a round gate cavity of the round gate valve; installing a plurality of retrofit slabs within the round gate cavity to form a slab gate cavity; and installing a slab gate within the slab gate cavity. Other instances include seat assemblies and dynamic skirt assemblies.

The invention discloses a triboelectric type self-sensing piezoelectric micro valve and a flow monitoring method. Self-sensing flow monitoring can be achieved. The triboelectric self-sensing piezoelectric micro valve comprises a shell, a piezoelectric vibrator and a friction sensing unit, the shell is provided with a liquid inlet and a liquid outlet, the piezoelectric vibrator and the friction sensing unit are arranged in the shell, and the piezoelectric vibrator is arranged at the liquid inlet; the friction sensing unit comprises a first power generation unit and a second power generation unit which are oppositely arranged, the first power generation unit is fixedly connected to the inner wall of the shell, the second power generation unit is fixedly connected to the piezoelectric vibrator, and the piezoelectric vibrator is used for driving the second power generation unit to make contact with or be away from the first power generation unit; the piezoelectric vibrator deforms under the action of the driving voltage to open the liquid inlet, and enables the second power generation unit to be in contact with the first power generation unit to generate a first electric signal; or, the piezoelectric vibrator deforms to close the liquid inlet under the control of the driving voltage, and enables the second power generation unit to be far away from the first power generation unit to generate a second electric signal.

In one instance, a dynamic slab gate valve includes a valve body having a through-bore formed therethrough; a round gate cavity formed within the valve body and orthogonal to and bisecting the though-bore; and at least two retrofit slabs located within the round gate cavity. The retrofit slabs form a slab gate cavity having two parallel planar sides. A slab gate is disposed within the slab gate cavity. In another instance, a method for retrofitting a round gate valve includes the steps of removing a round gate from a round gate cavity of the round gate valve; installing a plurality of retrofit slabs within the round gate cavity to form a slab gate cavity; and installing a slab gate within the slab gate cavity. Other instances include seat assemblies and dynamic skirt assemblies.

The invention provides a rigidity valve which comprises fixed iron, a valve element and a valve seat. The valve core is sleeved in the fixed iron and the valve seat; the valve element can move in the axial direction relative to the fixed iron and the valve seat so as to selectively open or close a valve port in the valve seat. The stress areas of the upper surface and the lower surface of the valve element are equal, so that the upward gas pressure and the downward gas pressure borne by the valve element are equal. Through the configuration, the operation comfort and the response speed of the rigidity valve are improved, meanwhile, the sealing performance is improved, and the sealing stability is improved.

Embodiments include a choke system that passes enlarged debris despite having a relatively small diameter for an input port of the choke system. Embodiments also include systems to prevent dislodging of a choke seat when backpressure is supplied to the choke system. Embodiments also include sealing systems to prevent fluid leaks around the choke seat of the choke system.

A cooling module includes a manifold to which a valve configured to control flow of a fluid is attached and in which a fluid flow path configured to allow the fluid to flow therethrough is formed. The manifold includes a foreign matter reservoir having a flow path cross-sectional area larger than a flow path cross-sectional area of the fluid flow path and storing a foreign matter flowing through the fluid flow path. The foreign matter reservoir is connected to at least one of an inflow port configured to allow the fluid to flow therethrough into the valve and an outflow port configured to allow the fluid to flow therethrough out of the valve.

A sanitary fitting (1) having a fitting housing (2) in which a valve (5) is disposed, an outflow pipe (11) in which an outflow piece (13) is disposed and which is connected to the fitting housing (2), and an outflow hose (15) which fluidically connects the outflow piece (13) to the valve (5). The outflow pipe (11) is designed to be pivotable relative to the fitting housing (2); the outflow hose (15) has, at a location spaced apart from both its ends, a fixed deflection (16); and the fitting housing (2) has a duct (17) in which the outflow hose (15) is routed and in which the outflow hose (15) is rotatable about an axis running along a pivot axis of the outflow pipe (11).

The utility model relates to a thermostatic controller for controlling water temperature, which is characterized by comprising a valve seat, and a cold water inlet flow channel, a hot water inlet flow channel, a first valve core mounting cavity, a second valve core mounting cavity, a cold water outflow channel, a hot water outflow channel, a water mixing cavity, a third valve core mounting cavity and a mixed water outflow channel are arranged in the valve seat; a first movable valve plate of the first flow adjusting valve core is driven by a first motor; the second flow regulating valve core is mounted in the second valve core mounting cavity, and a second movable valve plate of the second flow regulating valve core is driven by a second motor; the cold water outflow channel is communicated with a cold water inlet of the balance valve element, the hot water outflow channel is communicated with a hot water inlet of the balance valve element, and a cold water outlet and a hot water outlet of the balance valve element are both communicated with the water mixing cavity. The flow of cold water and hot water is adjusted by balancing movement of the piston in the valve element, and the problem that the fluctuation range of the water yield is enlarged due to the water pressure difference is effectively solved.

The invention provides a pneumatic operated directional valve and an energy-saving hydraulic station with the pneumatic operated directional valve. The pneumatic control valve comprises a pneumatic control valve shell and a pneumatic control valve element. The pneumatic control valve element is arranged in the pneumatic control valve shell in the length direction of the pneumatic control valve shell in a sliding mode. The pneumatic control valve shell is provided with an air inlet P, a first air outlet A, a second air outlet B, an exhaust port R, a pneumatic control loading port Y1 and a pneumatic control unloading port Y2. After the forward sliding side of the pneumatic control valve element is unloaded through the pneumatic control unloading port Y2, the air inlet P injects air into the reverse sliding side of the pneumatic control valve element, and the pneumatic control valve element can slide in the pneumatic control valve shell in the forward direction. The pneumatic control loading port Y1 and the pneumatic control unloading port Y2 are used for loading and unloading the forward sliding side of the pneumatic control valve element correspondingly, the stability and continuity of reverse sliding of the pneumatic control valve element can be achieved through loading, the forward sliding resistance of the pneumatic control valve element can be reduced through unloading, and therefore the pneumatic control valve element is prevented from being clamped and stopped in the reversing process, and the reversing efficiency of the pneumatic control valve element is improved. And the situation that the pneumatic control valve element stops at the middle position is avoided.

The invention discloses a double-side water inlet and outlet independent salt path control valve and an operation method thereof.The double-side water inlet and outlet independent salt path control valve comprises a control valve body, a control valve flow channel switching assembly and a salt path switching assembly, and a grating inner cavity communicating with a softening tank is formed in the control valve body; the water inlet channel and the water outlet channel are both communicated with the grille inner cavity and located in the same straight line direction, the siphon installation channel is communicated with the grille inner cavity, the siphon installation channel is communicated with the salt suction channel through a salt valve assembly installation channel, a pulse booster pump is arranged on the water inlet channel, and the pulse pump is started during back washing and front washing. Based on the cooperative arrangement of the control valve body, the control valve flow channel switching assembly and the salt path switching assembly, the control valve can be conveniently operated, and the working states of purification, backwashing, salt absorption or water supplement of the softening machine can be flexibly switched; and the pulse pump is started during backwashing and conventional washing, so that the pressure of the water inlet is increased, the backwashing and conventional washing time is shortened, the backwashing and conventional washing effects are enhanced, and wastewater discharge is reduced.

The invention discloses a buffer type nuclear power stop valve suitable for a high-pressure environment, and relates to the technical field of nuclear power stop valves, the side face of a valve body is fixedly connected with a connecting component, and one end of the valve body is fixedly connected with a cleaning component. By means of the structure, the screen plate filters impurities in fluid, the impurities mixed with the fluid are prevented from entering the valve body and scratching the side face of the valve body, meanwhile, the fluid impacts and enters the valve body through the screen plate, the fluid impacts the screen plate, and therefore the fluid is prevented from entering the valve body. The mesh plate drives the ejection mechanism to be far away from the mesh plate through the telescopic rod, meanwhile, through impact force of fluid to the mesh plate, part of impact force is absorbed, impact of the fluid to the valve clack during opening is relieved, and an effective buffering effect can be provided in a high-pressure environment.

The invention discloses a diaphragm valve, which comprises a valve main body, a valve core and a diaphragm, an upper housing; a diaphragm assembly; a pushing assembly; the diaphragm assembly comprises a first diaphragm and a second diaphragm which are arranged in a stacked mode, the second diaphragm is arranged on the side, away from the valve seat, of the first diaphragm, and the outer edges of the first diaphragm and the second diaphragm are clamped between the valve body and the upper shell. According to the invention, the first diaphragm and the second diaphragm are stacked, and the diaphragm assembly is arranged into a structure with double layers of diaphragms, so that the overall strength of the diaphragm assembly can be ensured under the condition of reducing the thickness of each diaphragm, the two diaphragms are softer by reducing the thickness of each diaphragm, and the deformation quantity of a single diaphragm can be increased; the first diaphragm with the large deformation quantity can control the flow of liquid flowing through the valve seat by changing the deformation quantity, and the first diaphragm can be tightly attached to the valve seat through sufficient deformation when the valve seat is closed, so that the sealing effect between the first diaphragm and the valve seat is guaranteed.

The invention relates to the technical field of ball valves, and discloses a corrosion-resistant anti-scouring ball valve which comprises a valve body, an anti-scouring mechanism is arranged on the left side in the valve body, and a flowing mechanism is arranged at the top of the valve body. According to the corrosion-resistant and anti-scouring ball valve, through the arranged anti-scouring mechanism, under the elastic potential energy of a spring, impact force of water flow can be effectively buffered, so that damage to the interior of the valve body caused by excessive impact force of the water flow can be avoided, the anti-scouring effect is achieved, the service life of the ball valve is prolonged, and the service life of the ball valve is prolonged. The inner wall of the valve body is coated with epoxy paint, the purpose of corrosion resistance can be achieved, and through the arranged flowing mechanism, when the ball rotates to enable an inlet and an outlet of a pipeline to be spherical surfaces, the ball valve is in a closed state, and fluid is cut off; and when the ball channel is aligned with the inner diameter of the pipeline, the ball valve is in an open state, the fluid circulates, and the operation is convenient and fast.

The invention relates to the technical field of valves, in particular to a convenient-to-install industrial regulating valve which comprises a regulating valve body, butt flanges are welded to the outer walls of the two ends of the regulating valve body, a plurality of butt holes which are circumferentially distributed at equal intervals are formed in the outer wall of each butt flange, and a fixing sleeve is welded to the outer wall of the regulating valve body; and a plurality of mounting holes which are circumferentially distributed at equal intervals are formed in the outer wall of the fixing sleeve. By means of the positioning mechanism, alignment of butt flanges can be completed only by rotating the pipeline or rotating the adjusting valve body to enable the fastening bolt to be inserted into the bolt hole in the pipeline, operation is easy and fast, the working efficiency is greatly improved, by means of the arranged fastening sleeve, a worm only needs to be rotated to drive the worm gear ring to rotate, and therefore alignment of the butt flanges can be completed. Therefore, the fastening sleeve drives the fastening bolt to rotate, the fastening bolt and the fastening nut are tightened, the bolt does not need to be inserted manually, operation is easy, and the working efficiency is greatly improved.

The present disclosure discloses a valve with dual ball valves, including two ball valves arranged side by side and clamped with each other, wherein each ball valve includes a valve body, a ball body, a valve rod and a handle, clamping structures are respectively and correspondingly arranged on one surfaces of the two valve bodies abutting against each other, and each ball valve further includes a limiting seat, a first anti-misoperation device and a second anti-misoperation device. The first anti-misoperation devices ensure that the handles can be rotated freely only when the two ball valves are in a clamped state. The second anti-misoperation devices ensure that the handles can only be rotated when external force is applied to the handles. Misoperation on the valve is prevented through triple protection.

The dustproof valve comprises a valve device, a shutter protecting cover is connected to the front portion of the valve device, a rear connecting dust collecting frame is connected to the rear portion of the valve device, a valve shell is arranged in the valve device, a driving device is installed on the outer wall of the valve shell, even number of valve inner guide blocks are installed in the valve shell, and valve bodies are arranged between the even number of valve inner guide blocks. When the valve body is opened, the valve body is driven by the driving device, so that the valve body is reset to a 90-degree horizontal ventilation state after being opened and closed by 135 degrees, a sliding frame connected with an ejector rod is jacked by a lower top sealing plate on a side sliding rail by the same degree and then is reset synchronously, a dust screen in a dust screen winding drum is stretched in the jacking and resetting process, and the dust screen is prevented from being blocked. According to the dust-proof net, the net body is matched with the cleaning assembly to form brushing, dust adhering to the surface of the net body falls into the collecting box to be collected under brushing, then dust cleaning work on the dust-proof net is completed under the condition that the dust-proof net is not disassembled, and the normal operation state of the air volume and the ventilation system in the long-time use state is ensured.

The invention belongs to the technical field of fluid control, and relates to a rotary flow distribution adjusting device and method for aviation. Comprising an inlet shell, an annular impeller, a torsion spring, a valve element, a magnetic damper and an outlet shell. The flow distribution adjusting device is arranged at the pipeline branch position of a liquid pipe network branch system, fluid flows through the annular impeller, the annular impeller generates torsional force to drive the valve element to rotate to change the overflowing sections of the two outlets, continuous adjustment of the flow distribution proportion of different branches is achieved, and the larger the fluid flow speed is, the larger the stress of the annular impeller is. And the valve core is driven to select a larger angle to correspond to different outlet flow distribution conditions. According to the flow distribution adjusting device, the complexity of an adjusting system can be reduced, the flow resistance caused by flow distribution adjustment is reduced, and then the energy consumption of a power source in a liquid system is reduced.

A hydraulic valve includes two ports, a chamber within the valve housing which, in operation, is at least partially filled with a hydraulic fluid, and a fluid switch within the chamber. The fluid switch is movable between at least a first position and a second position. In the first position, the ports are fluidly coupled to each other. In the second position, the ports are fluidly isolated from each other. An external surface of the fluid switch is separated from an internal surface of the chamber by a first micro-gap. Another external surface of the fluid switch is separated from another internal surface of the chamber by a second micro-gap. The first micro-gap and the second micro-gap are fluidly coupled to the chamber, and each have a respective size of less than about five micrometers.

The present application relates to a kind of water diversion valve and the cleaning machine of application have the water diversion valve, water diversion valve includes shell, fixed seat, movable column, drive assembly, shell has first water outlet, second water outlet, water diversion cavity is vertically arranged with the partition plate that it can be separated into corresponding first cavity of first water outlet and corresponding second cavity of second water outlet, the bottom of partition plate is provided with the opening that can be connected with first cavity and second cavity;The top of movable column is provided with the sealing plug that can be closed second water outlet when it rises to the top of second cavity, and the opening is closed when it falls to the bottom of second cavity.This application water diversion cavity of water diversion valve is directly connected with the water outlet of cleaning machine, improves the sealing performance of junction;The sealing plug of the present application is opened and closed alternately to first water outlet and second water outlet by movable column lifting, realizes the independent, absolute sealing of first water outlet and second water outlet, improves the sealing property and reliability under water diversion state, is conducive to improving water diversion effect.

A fluid valve, in particular for a motor vehicle and / or a temperature control system, having a housing and a valve body disposed in the housing so as to be rotatable about a rotation axis. The housing has a first port and a third port disposed on opposite side of a normal plane in relation to the rotation axis and a second port which is radially spaced apart from the rotation axis and in the direction of the rotation axis is disposed between the first and the third port. The valve body in at least one rotary position connects at least two ports of the housing to one another, and in at least one other rotary position does not connect the two ports to one another.

The utility model relates to the field of electromagnetic valves, and discloses a mute electromagnetic valve. The mute electromagnetic valve comprises a framework provided with a cavity, a coil is arranged on the peripheral wall of the framework, a movable iron core and a static iron core are coaxially arranged in the cavity, a mute pad is arranged at the end, facing the movable iron core, of the static iron core in a sleeved mode, a protruding ring is arranged at the end, facing the movable iron core, of the mute pad, and when the movable iron core and the static iron core attract each other, the movable iron core and the static iron core attract each other. Through the design that the annular end face of the convex ring abuts against the end face of the movable iron core, the impact contact area generated when the movable iron core and the static iron core are attracted is reduced, and the impact noise generated when the movable iron core and the static iron core are attracted can be effectively reduced.

The invention discloses a pressure regulating solenoid valve, which relates to the technical field of solenoid valves, and comprises a valve body, the top of the valve body is provided with a valve seat, the valve seat is internally provided with a cavity, and through the arrangement of a first pressurizing hole, a second pressurizing hole, a flow dividing hole, a first flow dividing pipeline, a second flow dividing pipeline, a first pressurizing cavity and a second pressurizing cavity, the pressure regulating solenoid valve is formed. During use, when unstable high water pressure flows into the valve body, the high water pressure pushes the inner barrel upwards, then the inner barrel moves upwards to drive the flow dividing holes to move upwards, the flow dividing holes are driven to be sequentially in butt joint with the first pressurizing hole and the second pressurizing hole respectively, and then water is divided into the first flow dividing pipeline and the second flow dividing pipeline; then water flows into the first pressurizing cavity or the second pressurizing cavity, then water pressure is dispersed, then the water flowing into the first pressurizing cavity or the second pressurizing cavity downwards compresses the first spring to cause deformation shortening, and meanwhile, a stretched second spring is matched, so that when the water pressure upwards jacks the sleeve and the inner cylinder, buffering protection on the sleeve and the inner cylinder is enhanced.

The invention provides a pipeline double-seal stop valve structure, which belongs to the technical field of stop valves, and comprises a valve body and a screw rod arranged on the valve body, and the upper end of the valve body is provided with a sealing port. Compared with conventional single-side sealing, the two valve clacks are arranged at the upper end and the lower end of the sealing opening, the sealing performance of the valve can be remarkably improved through double-side double sealing, it is ensured that media do not leak, and when the valve is in a closed state, sealing of the upper valve clack and the lower valve clack can more effectively prevent the media from leaking; the other valve clack can provide additional sealing protection, meanwhile, under the high-pressure environment, the sealing structures of the upper valve clack and the lower valve clack can provide higher mechanical strength, the overall sealing effect of the valve is improved, meanwhile, connection between a cavity between the upper valve clack and the lower valve clack and the outside is effectively blocked through the arrangement of the sealing air bag, and therefore the sealing effect of the valve is improved. Pseudo connection between the upper valve clack and the lower valve clack is achieved, the sealing area is increased, the pressure borne by the valve clacks is reduced, and then the sealing effect is improved.

A weir-type diaphragm valve operable to selectively enable liquid flow between two pipelines while directing a portion of the flowing liquid to an external pipeline. The valve comprising a valve body, comprising a diaphragm chamber with a concave weir having an upper surface with a bottom vertex, and an alarm port for enabling liquid communication between said diaphragm chamber and an exterior of the valve body to which the external pipeline is to be connected.

The invention discloses a flow and pressure regulating valve with a buffering effect, and relates to the technical field of flow and pressure regulating valves. Comprising a valve body, a mouse cage, a leakage detection assembly, an adjusting assembly and a filtering assembly, impurities in a medium are filtered through a filtering net on a filtering fan blade, the filtering fan blade is driven to rotate through flowing of the medium to generate centrifugal force, and the impurities are thrown out through the centrifugal force; and the filtered impurities are blocked and guided by the guide strips on the filtering fan blades, so that the impurities are thrown into the collecting tank along the guide strips, and the magnetic rings in the collecting tank adsorb and separate metal chips in the impurities, so that the purposes of filtering, collecting and separating the impurities are achieved. Leakage media are collected through the leakage cavity, the floating plate drives the contact on the supporting piece to extrude the piezoelectric ceramic in the elastic film under the action of buoyancy, buoyancy is generated through the leakage media, then the buoyancy is converted into displacement of the supporting piece, finally, the displacement is converted into an electric signal, and therefore the purpose of leakage detection is achieved.

The invention discloses a special working condition corrosion-resistant valve and relates to the technical field of valves, the special working condition corrosion-resistant valve comprises a valve body, a valve rod, a butterfly plate and a transmission device, and a valve seat containing cavity is defined by a limiting ring and a valve seat gland in the valve body on one side of the butterfly plate; a valve seat which can only slide in the axial direction of the valve body slides in the valve seat containing cavity in a sealed mode, and the whole valve seat is completely contained in the valve seat containing cavity. A metal sealing ring is fixedly installed on the outer periphery of the butterfly plate, and a valve seat sealing face matched with the metal sealing ring in a sealing mode is arranged on the inner side of the valve seat. And an elastic element is arranged between the valve seat and the valve seat gland. According to the three-eccentric butterfly valve, through the collaborative design of the three-eccentric structure, the hidden valve seat, the L-shaped fluid channel and the self-adaptive plugging assembly, the advantages of the three-eccentric butterfly valve are reserved, the defect of exposed design of a traditional valve seat is overcome through structural innovation, and it is ensured that the valve is accurate in action and reliable in sealing in the opening and closing process; and the sealing structure is particularly suitable for special working conditions with strict requirements on sealing performance and service life.