1853results about "Valve members for absorbing fluid energy" patented technology

The invention relates to the technical field of pressure valves, and provides a high-back-pressure pneumatic valve for a semiconductor chemical system and an assembling method of the high-back-pressure pneumatic valve. The high-back-pressure pneumatic valve comprises an air cylinder assembly, a diaphragm and a valve seat. The cylinder assembly is provided with a cylinder upper cover and a cylinder body which are connected through a rotary lock catch structure, and the piston is assembled on the cylinder body. The diaphragm is provided with a sealing diaphragm part and a valve element integrally arranged in the center, the sealing diaphragm part is provided with a pressure-bearing protrusion and a sealing hook, and the pressure-bearing protrusion provides a back pressure counteracting area accounting for 25%-50% of the flexible area of the diaphragm. A valve port and a flow channel are formed in the valve seat, a mounting hole aligned with the valve port is formed in the valve seat, a sealing clamping groove is formed in the mounting hole, and the sealing clamping groove and the sealing hook are matched to form a sealing interface. The valve element table body is arranged at the valve port and driven by the air cylinder assembly to seal or break away from the valve port. According to the invention, high-back-pressure fluid impact can be effectively balanced, and the assembly efficiency and the maintenance convenience are greatly improved.

The utility model relates to the field of fuel gas pressure regulation, in particular to a double-layer noise reduction valve cage and a regulating valve, which comprises an inner-layer valve cage, a plurality of first noise reduction holes, a second-layer valve cage and a third-layer valve cage, the outer-layer valve cage is arranged outside the inner-layer valve cage in a sleeving manner and fixedly connected with the inner-layer valve cage, and a plurality of second silencing holes which are arranged according to a second rule are formed in the outer-layer valve cage; and the inner-layer valve cage and the outer-layer valve cage are coaxially arranged. According to the utility model, the inner-layer valve cage is used for preliminarily dispersing pressure waves and noise of fluid through the plurality of first silencing holes arranged according to the first rule, the outer-layer valve cage is used for further absorbing and scattering residual noise generated by the inner-layer fluid through the second silencing holes, and the inner-layer valve cage and the outer-layer valve cage are coaxially arranged; the additional flow resistance generated when fluid penetrates through different layers can be reduced, and meanwhile the continuity of a flow channel is guaranteed. Under the conditions of high pressure difference and large flow, noise of the regulating valve is effectively reduced, it is ensured that the noise level does not exceed 85 decibels, and the requirements of specific application occasions are met.

The invention belongs to the technical field of exhaust valves, and particularly relates to a composite exhaust valve with an integrated buffering and filtering assembly, which comprises a shell, a supporting block is fixedly arranged at one end of the shell, an air inlet head is fixedly arranged on the supporting block, a cavity is formed in the supporting block, a concave groove is formed in the cavity, and a sealing strip is arranged at the top of the concave groove. Cylinders are connected to the bottom of the concave groove in an array mode, a connecting rod is fixedly arranged at the bottom of the concave groove, a bottom plate is fixedly connected to the bottom end of the connecting rod, and a buffering mechanism is arranged in the cavity. According to the composite exhaust valve with the integrated buffering and filtering assembly, by arranging the filter cylinder and the baffle, efficient buffering and filtering treatment can be conducted on conveyed air pressure, stable operation of pneumatic equipment is guaranteed, the conveyed air pressure enters the cavity after being filtered through the filter cylinder, impurities such as particles in an air source can be effectively intercepted, and the effective circulation section of compressed air can be changed by adjusting the angle of the baffle; the narrower the circulation space is, the slower the airflow speed is, throttling buffering is achieved, and the working stability of the exhaust valve is guaranteed.

The invention provides a low-torque hydraulic balance ball valve, which relates to the technical field of valves, and comprises a valve body, a circular cavity is arranged in the valve body, a rotating shaft is arranged on the valve body in a penetrating manner, a valve core is arranged in the circular cavity, the rotating shaft is connected with the valve core, the valve body is also provided with a connecting channel, and the inlet end of the valve body is connected with the circular cavity through the connecting channel in a penetrating manner; a connecting hole is formed in the valve element, the valve element is communicated with the circular cavity through the connecting hole, a driving rod is arranged in the connecting channel, a stable sealing device is further arranged in the valve body, the driving rod is used for driving the stable sealing device, and the stable sealing device is used for enhancing the sealing effect of the rotating shaft and the circular cavity. The stable sealing device is arranged, the sealing action and the hydraulic balance process are synchronously carried out, an additional power source is not needed, the sealing effect of the rotating shaft and the circular cavity is synchronously enhanced in the hydraulic balance process, and dual optimization of torque reduction and leakage prevention is achieved.

The invention discloses a double-acting pressure reduction diaphragm type pressure flow amplifier in the field of industrial flow control. The double-acting pressure reduction diaphragm type pressure flow amplifier comprises a machine body, a double-diaphragm assembly, a valve core and two air paths. Compressed air of the two air paths is from different sources, the cross sectional areas of the two air paths are adjusted by moving the valve core through the double-diaphragm assembly, the output proportion of the compressed air of the two paths can be adjusted, and therefore the purpose of changing the pressure intensity and the flow is achieved. The pressure is reduced by the following measures: two independent pressure reducing devices are arranged; and the output air is introduced into the double-diaphragm assembly, and a part of pressure intensity of the adjusted air is counteracted. The purpose of adjusting the pressure intensity and the flow of output air is achieved through linear reciprocating motion of the double-diaphragm assembly, various measures are adopted to reduce the pressure intensity of the adjusted air, and the application scene is wider.

The pressure reducing valve with the flow adjusting mechanism comprises a valve body, the two sides of the valve body are fixedly connected with a water inlet pipe and a water outlet pipe through side plates respectively, the middle of an inner cavity of the valve body is fixedly connected with a partition plate, the upper surface of the valve body is fixedly connected with a valve deck, and the top of an inner cavity of the valve deck is in threaded connection with the upper end of a valve rod through a threaded connection hole. The lower end of the valve rod is fixedly connected with one end of a main spring, the other end of the main spring is fixedly connected with a buffer plate, and the lower surface of the movable plate is fixedly connected with a valve block. The position, opposite to the valve block, of the surface of the partition plate is correspondingly provided with an adjusting opening. Through cooperation of the partition plate, the movable plate, the valve block, the valve rod, the buffer plate, the pressure dividing plate, the buffer cylinder, the main spring and the positioning rod, the pressure reducing valve can flexibly adjust the flow of fluid, the pressure reducing effect of the pressure reducing valve can be enhanced in an auxiliary mode, and the impact force of the fluid is reduced.

The invention discloses a slow-closing check valve and relates to the technical field of valves, the slow-closing check valve comprises a valve body and an opening and closing mechanism, the valve body is provided with an inner cavity, the two ends of the inner cavity are open, and the inner cavity comprises a rotating cavity in the middle and two channels on the two sides; the opening and closing mechanism comprises a main valve clack and an auxiliary valve clack, the main valve clack is rotationally arranged above one side of the rotating cavity and opens or closes the channel in a rotating and swinging mode, a liquid passing opening is formed in the main valve clack, and the auxiliary valve clack is rotationally arranged above the liquid passing opening and opens or closes the liquid passing opening in a rotating and swinging mode; rotation between the auxiliary valve clack and the main valve clack has a damping effect. The valve has the advantages that the water hammer effect is effectively relieved, sequential closing of the main and auxiliary valve clacks is achieved, and the safety of a pipeline system is improved.

The utility model relates to the technical field of electrically-driven pumps, in particular to a valve and a gas control device, which comprise a bottom plate with a bottom plate hole part, a cover plate with a gas outlet hole part, a valve plate with a valve plate hole part and a support plate with a gas release channel, the bottom plate, the support plate and the cover plate are sequentially stacked, a cavity is arranged in the center of the support plate, and the gas release channel is arranged in the cavity. A valve chamber is formed, the valve plate is arranged in the valve chamber, the air release channel is formed in the periphery of the supporting plate and communicated with the valve chamber, the bottom plate hole part, the cover plate air outlet hole part and the valve plate hole part are oppositely arranged, the bottom plate hole part is annular, and a valve plate hole part blocking plate opposite to the valve plate hole part is formed in the middle area of the bottom plate hole part. According to the valve and the gas control device, gas leakage is conducted through the lateral gap, the gas leakage area is greatly increased, the gas leakage speed is increased, the valve and the gas control device are more suitable for wrist type and arm type sphygmomanometers and massage instrument products so as to meet better user experience, meanwhile, the failure risk caused by blockage due to entering of impurities can be reduced, and therefore the reliability of the products is improved.

The present application relates to pipeline system damping and noise reduction technical field, provide a kind of active noise cancellation pressure relief valve, comprising: valve body, with the liquid inlet cavity and pressure relief cavity being communicated are formed;Bypass pipe, with liquid inlet cavity is communicated;Piezoelectric actuator and pressure relief component, pressure relief component includes adjusting piece, pressure relief elastic piece and pressure relief valve core, pressure relief valve core and pressure relief elastic piece are set in pressure relief cavity, adjusting piece is movably arranged on valve body, piezoelectric actuator is arranged on adjusting piece, pressure relief elastic piece is pressed between piezoelectric actuator and pressure relief valve core;Piezoelectric actuator is configured to drive pressure relief elastic piece, to eliminate the transient noise caused by pulsating pressure when pressure relief valve core moves.The active noise cancellation pressure relief valve provided by the present application introduces active noise cancellation technology into the active noise cancellation pressure relief valve pulsating noise control by arranging piezoelectric actuator, can be adjusted by pressure relief elastic piece The force exerted on the pressure relief valve core can eliminate the transient noise caused by pulsating pressure when the pressure relief valve core moves.

The invention relates to the technical field of hydraulic valves, and discloses an integrated safety hydraulic control one-way valve integrated with a tail beam telescopic cylinder, which comprises a valve body, a through main channel arranged in the valve body and a valve core assembly arranged in the main channel, the valve core assembly comprises a joint valve sleeve, a valve core spring, a valve core, a valve seat, a liquid inlet valve sleeve, an ejector rod spring and an ejector rod, the valve seat is arranged between the connector valve sleeve and the liquid inlet valve sleeve, the valve element is arranged in an inner cavity of the connector valve sleeve in a sliding mode, and the ejector rod is arranged on the axis extension line of the valve element. The valve element is of a primary-secondary valve structure and comprises a main valve element and a pilot valve element coaxially arranged in the main valve element, an axial guide inner cavity is formed in the center of the interior of the main valve element and comprises a damping cavity and a conical surface plugging cavity, and a pilot valve channel is formed in the wall of the damping cavity. The problem that a valve element of a traditional hydraulic control one-way valve rapidly moves at the hydraulic control opening moment to generate severe mechanical impact is solved, and the service life of a valve set is prolonged.

The utility model relates to the technical field of regulating valves, and discloses a self-operated high-pressure-difference regulating valve which comprises a pipeline assembly and a buffer assembly installed in the pipeline assembly, the pipeline assembly is fixedly installed on the two sides of a valve assembly, a transmission assembly is fixedly installed on the valve assembly, a feedback assembly is fixedly installed on the transmission assembly, and when equipment operates, the buffer assembly is fixedly installed on the pipeline assembly. Water flow passes through the water pipe and flows into the valve assembly, in the process, the liquid baffle is driven by high pressure to rotate and deviate inwards along the rotating rod, meanwhile, the liquid baffle is driven to rebound to the original position under the rebound effect of the rebound spring, part abrasion caused by a water hammer is avoided, meanwhile, liquid pressure is conducted to an inner cavity of the piston cylinder through the communicating pipe, and the valve element and the valve rod are driven to be pressed downwards; in the downward pressing process, the through hole in the communicating position of the through groove and the valve element is gradually reduced, and therefore flowing hydraulic pressure is adjusted more smoothly and stably.

The utility model provides an electromagnetic valve which comprises a valve body assembly, a first valve element and a second valve element. The first core iron assembly is fixedly connected with the valve body assembly; the second core iron assembly is movably arranged in the valve cavity; the piston assembly is movably arranged in the valve cavity and located on the side, away from the second core iron assembly, of the first core iron assembly, and the piston assembly is provided with a second valve port; the valve needle assembly is movably arranged in the valve cavity and is connected with the second core iron assembly; when the electromagnetic valve is in a power-on state, the first core iron assembly and the second core iron assembly attract each other. One end of the valve needle assembly closes the second valve port, and the other end of the valve needle assembly abuts against the second core iron assembly. The piston assembly closes the first valve port; and a gap H is formed between the second core iron assembly and the first core iron assembly. According to the technical scheme, the problem that noise is generated due to collision when the second core iron assembly and the first core iron assembly of the electromagnetic valve are attracted in the prior art can be solved.

The application provides a valve module and an electromagnetic valve, wherein the valve module comprises: a valve assembly, the valve assembly having a first accommodating cavity, a piston cavity and a pilot valve port; a moving iron core movably arranged in the first accommodating cavity, the moving iron core having a valve needle total cavity; a piston assembly for opening and closing the pilot valve port; the piston assembly having a through piston channel, one end of the piston channel being a pressure relief port and the other end of the piston channel being in communication with the pilot valve port; a return spring arranged in the first accommodating cavity, the return spring exerting elastic force on the moving iron core; a small valve needle arranged in the valve needle total cavity; wherein in a state in which the pilot valve port is closed, the moving iron core can abut against the piston assembly, and the small valve needle closes the pressure relief port. The application ensures that the elastic force of the return spring can act on the piston assembly through the moving iron core, and thus the electromagnetic valve switch is reliable. The application avoids that the elastic force of the return spring directly produces a large impact on the pressure relief port, and ensures the sealing of the pressure relief port in long-term use.

The application provides a two-position five-way pneumatic reversing valve, and relates to the technical field of hydraulic control valves.The valve body is provided with a first air outlet hole, an air hole and a second air outlet hole from left to right on the lower side, and the inner cavity of the valve body is provided with a valve core.The left end of the valve body is provided with a front baffle, and the right side of the valve body is provided with a piston assembly, which is in contact with the right end surface of the valve core.The valve body is provided with a first annular protrusion, a second annular protrusion, a third annular protrusion, a fourth annular protrusion and a fifth annular protrusion corresponding to each hole.The outer side of the air hole is provided with a plug A, and the air hole is connected with the piston assembly through a pipeline arranged in the valve body.The pipeline is internally provided with a plug B.The electromagnetic structure of the application is integrated, and the parts have better coaxiality during production and assembly, effectively ensuring the service life of the product and the extremely low product failure rate.Compared with the existing split structure, the application has higher electromagnetic conversion efficiency and can effectively reduce the power consumption of the product.

The invention relates to the technical field of cone valve multi-mode air supply-energy dissipation cooperative cavitation reduction devices and control methods, and discloses a fluid control device named'cone valve multi-mode air supply-energy dissipation cooperative cavitation reduction devices and control methods'. The conical valve aims to solve the problems that an existing conical valve is serious in cavitation under the working condition of high pressure difference, air supply and energy dissipation functions are separated, and response lags. The device is characterized by comprising three stages of energy dissipation perforated pipes which are arranged at the outlet end of a valve body in a gradient mode, negative pressure injection air supply pipes which are symmetrically arranged outside a flow guide cover and flow guide fins which are welded to the inner wall of a cone, and the three stages of energy dissipation perforated pipes, the negative pressure injection air supply pipes and the flow guide fins cooperate to achieve pressure gradient pressure relief, self-adaptive air supply and flow state stability; the control method dynamically adjusts the air supply intensity based on the opening degree, the pressure difference and the vibration signal. According to the technical scheme, cavitation inception and collapse impact are remarkably restrained, vibration noise is reduced, the service life of the valve is prolonged, an external air source is not needed, the system pressure drop is controllable, and the system is suitable for ultrahigh pressure difference and large-flow hydroelectric working conditions.

The invention relates to the technical field of gas safety valves, and discloses a novel gas safety valve which comprises a pipeline, a safety valve body is arranged on one side of the top of the pipeline, a positioning ring is fixedly installed at one end of the pipeline, a filtering structure is slidably connected into the positioning ring, and a connecting ring is fixedly installed on the surface of the other end of the pipeline. Positioning plates are fixedly mounted at the four corners of the surface of the connecting ring, threaded grooves are formed in the middles of the surfaces of the positioning plates, positioning rods are in threaded connection with the interiors of the threaded grooves, a mounting frame is fixedly mounted in the middle of the top of the pipeline, and a plurality of pressure relief assemblies are arranged in the mounting frame. According to the pipeline, when the pipeline conveys gas, the filtering structure in the positioning ring can filter the gas, after the gas is filtered, the filtering structure can be conveniently disassembled and cleaned by personnel, the efficiency of filtering foreign matters in the gas is improved, the filtering structure can be recycled, and the replacement cost is saved.

The embodiment of the utility model provides an electronic expansion valve assembly and an electronic expansion valve assembly, and relates to the field of valves, and the electronic expansion valve assembly comprises a valve seat, a valve port, a valve needle body and an anti-rotation piece. The valve port is provided with at least one flowing channel and fixed to the valve seat. The valve needle body is slidably matched with the valve port in the extension direction of the preset axis so as to block or conduct the flow channel; the anti-rotation piece is installed on the valve port and the valve needle body at the same time so as to limit the valve needle body to rotate around the preset axis relative to the valve port. According to the structural design of the expansion valve, abrasion of the valve needle body and the valve port can be reduced, and noise is lowered.

The application discloses a ball valve with a wear detection function, and relates to the technical field of ball valves.The ball valve comprises a ball valve body and a controller, the two ends of the ball valve body are respectively provided with an inlet pipe and an outlet pipe, an installation pipe is arranged in the inlet pipe, a plurality of water hammer eliminating assemblies and a plurality of absorbing assemblies are arranged between the installation pipes, an adjusting assembly is arranged above the ball valve body, a blocking ball is arranged in the ball valve body, the blocking ball is in transmission connection with the adjusting assembly, and a pressurizing assembly and a detection assembly are arranged at the output end of the ball valve body.In the process of use, the ball valve can increase the flow rate of water flow in the normal use stage, can disturb the water flow in the rapid closing state, and can reduce the influence of the water hammer effect on the ball valve body, and the device can also detect the blocking property of the ball valve body indirectly under the condition of detecting the flow rate through the detection assembly, thereby prolonging the service life of the ball valve.

The invention provides a water chilling unit which comprises a compressor and a condenser, an outlet of the compressor communicates with an inlet of the condenser through a compressor outlet pipeline, and a check valve with a magnet is further arranged in a discharging pipeline. When the water chilling unit normally operates, the check valve is kept at the maximum opening degree through the magnets with attracted heteropoles, and when the water chilling unit stops operating, closing of the check valve is buffered through the magnets with repulsive homopoles.

The invention discloses a rotary direct-drive type flow and pressure composite servo valve which comprises a valve sleeve and a valve element rotationally arranged in the valve sleeve, and the valve element is connected with a driving mechanism. A working oil hole communicated with the actuating cylinder is formed in the cylinder wall of the valve sleeve; pressure control holes and flow control grooves are formed in the cylindrical face of the valve element in the circumferential direction at intervals. By driving the valve element to rotate, the working oil hole and the pressure control hole can be selectively overlapped to achieve pressure control or the working oil hole and the flow control groove can be selectively overlapped to achieve flow control, and therefore switching between a pressure control mode and a flow control mode is achieved on the same servo valve. Pressure and flow control functions are integrated, a rotary direct-drive structure is adopted, tiny structures such as a spring tube are omitted, and the problems of abnormal noise such as squeal and high-frequency vibration are avoided.

The utility model relates to the technical field of valves, in particular to a water flow regulating valve which comprises a valve body, an inner cavity is formed in the valve body, a water outlet pipe communicated with the inner cavity of the valve body is arranged on the valve body, and a first through hole and a second through hole are formed in the top surface and the bottom surface of the valve body respectively in a penetrating mode. The first through hole and the second through hole are coaxially formed, a water inlet pipe is coaxially fixed at the second through hole, the inner end of the water inlet pipe is sealed, a plurality of water outlet holes are formed in the water inlet pipe in the inner cavity in a penetrating mode in the circumferential direction, a movable pipe is coaxially fixed in the first through hole, and the inner end of the movable pipe extends into the inner cavity and is arranged on the water inlet pipe in a sleeving mode; the movable pipe is in transmission connection with a driving mechanism. By controlling the up-and-down moving distance of the movable pipe, the number of the water outlet holes in the water inlet pipe shielded by the movable pipe can be controlled, so that the water outlet amount of the water inlet pipe through the water outlet holes is controlled, the water outlet flow of the water outlet pipe is adjusted, and more accurate flow control is achieved.

The invention discloses a slow-start pneumatic switch valve device for trichlorosilane feeding, and belongs to the technical field of material preparation process valves. Comprising a switch valve and a pneumatic actuator, linear motion of a piston rod is converted into rotation fine adjustment through a swing arm rotation compensation mechanism, a solid / microgroove sealing ring and a sliding cavity wall are always kept on a theoretical contact line, abrasion microgaps are automatically compensated, zero-clearance sliding in the whole life cycle is achieved, and manual clearance adjustment is avoided; the solid sealing ring adopts surface-surface contact, so that the unit pressure is reduced by more than 50%, and the wear rate is obviously reduced; the omega-shaped groove of the microgroove sealing ring converts solid particles (10-50 microns Si) into groove edge elastic sealing, and the wear rate is reduced by 40% again; a sealing surface is provided with a uniform oil film, the dynamic and static friction coefficient difference is reduced, crawling / jumping in a 0-20% opening low-speed stage is eliminated, true slow starting is achieved, the water hammer effect during trichlorosilane feeding is avoided, the sealing surface is provided with the uniform oil film, the dynamic and static friction coefficient difference is reduced, and crawling / jumping in the 0-20% opening low-speed stage is eliminated.

The invention discloses a valve assembly and a spaceflight propulsion system with the valve assembly, the valve assembly comprises a valve body, a valve core assembly and a reset piece, a mounting cavity, an inlet flow channel and an outlet flow channel are formed in the valve body, the inlet flow channel and the outlet flow channel are respectively communicated with the mounting cavity, and an inlet and an outlet which are respectively communicated with the inlet flow channel and the outlet flow channel are formed in the valve body; the valve element assembly is movably arranged in the mounting cavity, and the valve element assembly moves under the action of liquid pressure of the inlet flow channel so as to selectively connect or disconnect the inlet flow channel and the outlet flow channel; the reset piece is arranged between the valve element assembly and the inner wall of the mounting cavity so as to drive the valve element assembly to reset. Wherein a balance cavity is further defined between the valve element assembly and the mounting cavity, and a throttling channel for communicating the inlet flow channel with the balance cavity is formed in the valve element assembly. According to the valve assembly, the throttling channel is arranged, so that the buffering effect on liquid impact is achieved, and the valve assembly shows excellent reliability and durability under the high-pressure and high-frequency working conditions of an aerospace propulsion system and the like.

A valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve assembly and the outside of the valve assembly, an outer sleeve longitudinally slidable in the tubular housing, and an inner sleeve longitudinally slidable in the outer sleeve. The outer and inner sleeves are slidable to various positions to prevent, allow or restrict flow through the ports. The valve assembly may include sealing assemblies that can withstand high temperatures, frangible plugs in the ports that can be sheared to open the ports, and / or a coupling member for coupling the inner and outer sleeve while the ports are being opened. The valve assembly may have ports configured in a manner that allows for sequential opening of the ports.

The invention relates to the technical field of flow guide assemblies, and discloses a stop valve flow guide assembly which comprises a valve seat and a flow guide ring, the flow guide ring is arranged in a valve seat water inlet pipeline and composed of a fixed ring body and a movable ring body, the fixed ring body is fixed to the inner wall of the valve seat water inlet pipeline, and the movable ring body is arranged on the fixed ring body and can freely rotate. Delta wing plates are arranged on the inner side wall face of the movable ring in a circumferential array mode, the plane of each delta wing plate is in a right triangle shape, the joint of each delta wing plate and the movable ring is in large-radius fillet transition, the front edge of each delta wing plate is sharp, and the rear edge of each delta wing plate is thin and sharp.

The utility model discloses a switching valve which comprises a valve seat, a piston assembly and an elastic assembly. The valve seat is provided with a valve cavity, and the valve cavity comprises a first valve cavity and a second valve cavity which are communicated; at least part of the piston assembly is movably arranged in the valve cavity, and the piston assembly comprises a piston rod, a first piston and a second piston; the first piston is connected to the piston rod and moves in the first valve cavity; the second piston is connected to the piston rod and moves in the second valve cavity; the elastic assembly is connected to the piston assembly, is located in the first valve cavity and is not located in the second valve cavity, and is used for enabling the piston assembly to be in a balanced state; wherein the balance state means that the piston assembly keeps still relative to the valve seat under the condition of no fluid impact.

The utility model relates to the technical field of pipeline valves, in particular to an intelligent electric ore pulp flow regulating valve which comprises a valve body and a valve plate, the valve body is composed of a transverse flow channel and a vertical valve plate installation channel, and the valve plate installation channel is arranged in the middle of the flow channel. The valve plate is driven by the electric device to ascend and descend in the valve plate installation channel to achieve flow adjustment in the flow channel, the electric device is fixed to the upper portion of the valve body, lining high-elasticity rubber is arranged in the flow channel of the valve body and the valve plate installation channel, and outer lining high-density rubber is arranged outside the valve plate. The intelligent electric ore pulp flow regulating valve is not limited by the flow direction of a medium, two-way medium circulation can be achieved, the electric device can control the valve plate in the valve to suspend, channel medium flow limitation is achieved, and the sealing effect can be achieved in the completely closed state.

The present application provides a water treatment machine for treating bathing water, which comprises a control valve, a water treatment device and a mixing valve, the control valve comprises a control valve body and a control valve core, wherein the control valve body forms a valve cavity, a cold water inlet, a cold water outlet, a hot water inlet, a hot water outlet, a soft water inlet, a first soft water outlet and a second soft water outlet, the water treatment device forms a water inlet and a water outlet, and the mixing valve forms a cold water flow channel, a hot water flow channel and a water supply flow channel, wherein the mixing valve is arranged to control the flow of water flowing through the cold water flow channel and the hot water flow channel to the water supply flow channel, and the water treatment machine for treating bathing water can control the flow of bathing water to the mixing valve and then to the filter core, so as to avoid the impact of water hammer on the mixing valve and the filter core of the water treatment machine for treating bathing water.

The invention discloses an adjustable buffer type inclined check valve, and relates to the technical field of check valves, when a medium flows in from an inlet end, close to one side of a protective appliance, of a valve body, pressure can jack up a connecting frame body to mount a valve pin shaft, the valve pin shaft drives a valve clack and the valve pin shaft to rotate upwards to open, a flow channel is completely smooth, and the medium passes through smoothly; when the inlet pressure is reduced or the outlet pressure is higher than the inlet pressure and has a backflow trend, the reverse pressure and the dead weight of the valve clack enable the valve clack to rapidly rotate downwards and be tightly attached to the valve seat block, sealing is formed, backflow is thoroughly blocked, a medium is prevented from being poured back to the upstream, and one-way flowing is stably kept. The fixing frame is matched with the valve seat block for inclined installation, the sealing effect between the valve seat block and the inner wall of the valve body is kept, an inclined installation structure is adopted, the opening and closing angle of the valve clack is small, the closing stroke is short, valve closing is faster, the sealing face is arranged in an inclined mode, the medium flow state is smoother, scouring is small, and sealing stress is even.

The pressure relief pipe comprises a first pressure relief pipe body and a second pressure relief pipe body, the end face of the outlet end of the first pressure relief pipe body is an inclined face, and the included angle between the end face of the outlet end of the first pressure relief pipe body and the axis of the first pressure relief pipe body is 45 degrees. The end face of the inlet end of the second pressure relief pipe is an inclined face, the included angle between the end face of the inlet end of the second pressure relief pipe and the axis of the second pressure relief pipe is 45 degrees, the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe are connected in a rotating fit mode, and a rotating positioning structure is arranged between the outlet end of the first pressure relief pipe and the inlet end of the second pressure relief pipe. The safety valve group comprises a ball valve, a check valve and a safety valve, a medium outlet of the ball valve is connected with a medium inlet of the check valve, one medium outlet of the check valve is connected with a medium inlet of the safety valve, and a pressure relief opening of the safety valve is connected with the pressure relief pipe. The pressure relief pipe can be converted between a straight pipe and a 90-degree right-angle bent pipe, and is suitable for installation and use of a safety valve group under the two conditions that an inlet of the water heater is horizontally and vertically downward.