515results about "Fluid-delivery valves" patented technology

The utility model discloses an automatic closing valve for gas pipeline leakage and a self-closing valve thereof, and relates to the technical field of structural design of gas self-closing valves. According to the gas pipeline leakage automatic shut-off valve, a vent hole is formed in the middle of a shell, a leather film is connected to the edge of one side of the shell in a sealed mode, a connecting structure is arranged on the edge of the shell, a gas inlet is formed between the connecting structure and the leather film, and the connecting structure is connected with the inner wall of a gas pipeline in a sealed mode. According to the self-closing valve, a timer is arranged on a valve body, a closing device is arranged at the gas inlet end of the valve body, and a gas pipeline leakage automatic closing valve is arranged at the gas outlet end of the valve body. The problem that in the prior art, automatic closing of the gas pipeline can not be achieved when leakage happens to the gas pipeline, and use safety of gas is affected is solved. According to the gas pipeline leakage automatic closing valve and the self-closing valve thereof, when gas leakage occurs, the gas pipeline leakage automatic closing valve can be automatically closed. And through the closing device of the self-closing valve, the action of the closing valve is further ensured, and the effectiveness of leakage closing is ensured.

The invention relates to a mechanical double-trigger self-closing valve, and relates to the technical field of self-closing valves, the mechanical double-trigger self-closing valve comprises a valve body, an air inlet and an air outlet are formed in the valve body, a mounting frame is fixedly arranged in the air inlet, a flow hole is formed in the mounting frame in a penetrating mode, and a sliding rod is transversely arranged on the mounting frame in a sliding mode; a valve block and a fixed magnet are fixedly arranged on the sliding rod; a guide frame is fixedly arranged in the valve body, a movable block capable of sliding downwards is arranged on the guide frame, and a first attraction magnet and a first repulsion magnet are arranged on the movable block; a movable rod is vertically arranged on the top of the valve body in a sliding mode, and a leather film fixed to the movable rod is further arranged in the valve body. An adjusting groove is formed in the movable rod, a lifting magnet is arranged in the adjusting groove in a sliding mode, and the lifting magnet attracts the movable block. The self-closing valve has the effects that the reliability of the self-closing valve in the off state is improved, the misoperation risk is reduced, and the gas path can be directly cut off conveniently in the normal state of the internal pressure of the gas path.

The utility model belongs to the technical field of valves, and particularly discloses an electromagnetic valve, a gas valve and gas equipment. The electromagnetic valve comprises an electromagnetic driving mechanism, a movable shaft assembly, a valve element assembly, a pressing piece, a pressing reset piece and a timing trigger piece. The pressing piece is arranged on the shell in a sliding mode and matched with the second end of the movable shaft assembly, the pressing piece can actuate the movable shaft assembly to slide to the adsorption position from the separation position when being pressed to the first position from the initial position, a conductive structure is arranged on the pressing piece, and the movable shaft assembly in the adsorption position can magnetically adsorb the valve element assembly to move to the opening position. The electromagnetic driving mechanism can drive the valve element assembly to move to the closing position in the power-on state. And the timing trigger piece is electrically conducted with the conductive structure when the pressing piece reaches the first position, so that the timing trigger circuit is conducted. According to the gas valve timing device, timing closing of the electromagnetic valve and the gas valve can be achieved through a simple and reliable structure, repeated timing can be carried out, and the use safety, reliability and convenience of the gas valve and gas equipment are improved.

The invention relates to a delay faucet control method and system, an intelligent terminal and a storage medium, and relates to the field of faucet technology.The delay faucet control method comprises the steps that starting trigger information of a delay faucet is obtained; controlling a preset water outlet device to obtain starting stress parameter information according to the starting trigger information; determining water outlet parameter information of the delay faucet according to the starting stress parameter information and preset stress water outlet relation information; and controlling the delayed faucet to discharge water according to the water discharge parameter information. The time-delay faucet has the effect that the use convenience of the time-delay faucet is improved.

A pool cycling valve with a valve body, a ratchet assembly, and a bottom plate. The valve body has an inlet port and a plurality of outlet ports. The ratchet assembly is rotatably coupled to the valve body and has a ratchet arm extending away from the ratchet assembly. When in a closed position, the ratchet assembly is configured to interfere with a stream of water. When in a open position, the ratchet assembly is rotated from the closed position by a predetermined angle. The bottom plate has an outlet port aperture aligned with one of the outlet ports and a ratchet tooth operably aligned with the ratchet arm. When the ratchet assembly rotates from the open position to the closed position, the ratchet assembly aligns the outlet port aperture with a different outlet port.

Various embodiments are generally directed to devices, systems, and methods for controlling the flow of fluids in endoscopic systems, such as endoscopic ultrasound (EUS) enabled endoscopes. Some embodiments are particularly directed to valve sets and / or valve interface mechanisms for controlling air, water, and / or suction flow through a valve well for an endoscopic system. Several embodiments are directed to user interface mechanisms and techniques for enabling an operator to interact with and control endoscope valves. Many embodiments are directed to mechanisms and techniques for translating interface input motion into valve control motions. In one or more embodiments, the valve sets and / or valve interface mechanisms may be disposable.

The utility model relates to the technical field of valves, and discloses an automatic water replenishing valve. The automatic water replenishing valve comprises a valve body assembly, a valve element assembly and a connecting assembly. The valve body assembly is provided with a water inlet runner, a water outlet runner and a sealing opening capable of communicating the water inlet runner with the water outlet runner. The valve element assembly is movably arranged in the valve body assembly in a penetrating mode and can selectively open or block the sealing opening. The connecting assembly comprises a mounting part and a limiting part, one end of the mounting part is hermetically connected to an inlet of the water inlet runner, the other end of the mounting part is connected with an external water supply port, and the limiting part is configured to limit the mounting part to move in the axis direction of the mounting part. According to the automatic water replenishing valve, looseness of the mounting piece and the water inlet of the automatic water replenishing valve can be avoided, the use reliability of the automatic water replenishing valve is improved, and packaging and mounting can be facilitated.

The water inlet anti-splashing structure comprises a water inlet valve body, a water inlet and a water outlet, the water inlet and the water outlet are formed in the water inlet valve body, a vertical water outlet channel is arranged at the output end of the water outlet, and a blocking sliding block capable of moving left and right to be adjusted is arranged in the right side of the water inlet valve body. A blocking piston is arranged on the side, close to the water outlet, of the blocking sliding block, the blocking sliding block is driven by a floating ball swing mechanism, a splash-proof cover is installed outside the right side of the water inlet valve body and comprises a cover body, and the upper portion of the right side of the cover body extends downwards to form an upper water baffle. The upper portions of the front edge and the rear edge of the splash-proof cover extend towards the middle of the splash-proof cover to form side water baffles. The device is simple in structure and reasonable in design, and by arranging the splash-proof cover, part of water is effectively prevented from being splashed to a centrifugal fan in the air cooler from the side edge of the water inlet valve when water enters the water inlet valve, and operation of the air cooler is affected.

The utility model discloses a ventilation pipeline pulling closing mechanism which comprises a closing executing mechanism, a first pulling device and a second pulling device, the first pulling device and the second pulling device play a pulling role, and the driving end of the closing executing mechanism is connected with the second pulling device in a pulling mode. An exhaust hole is formed in the side portion of a cylinder of the closing execution mechanism, one end of a closing execution rod is fixedly connected with a second pulling device, and the closing execution rod drives the cover shell to cover the exhaust hole or be away from the exhaust hole. The problems that in the prior art, due to the fact that the whole valve is complex in structure, the valve cannot be smoothly closed, and the closing effect of the valve is easily affected are solved. The ventilation pipeline pulling closing mechanism is reasonable in overall structural design, and adsorption force can be transmitted through the magnet. And the closing execution structure can push the ventilation pipeline to execute the closing and sealing effects.

A lubricant distribution system for supplying lubricant. The system includes a reservoir for lubricant and a pump assembly for pumping the lubricant. The pump assembly includes a crank case having a crank assembly that is insertable into and removable from a housing of the crank case without disassembly of the crank assembly, to provide ease of assembly and disassembly of the crank case. The system also includes a shut-off valve stopping the refilling of the reservoir with lubricant. The shut-off valve includes a blocker for preventing the flow of lubricant to the reservoir and an actuation surface for positioning the blocker to prevent the flow of lubricant. For overfill protection, the actuation surface is movable relative to the blocker. The system also includes a mount with a one-way valve mounted thereto. The one-way valve is removable from the mount for easy replacement or cleaning of the one-way valve.

The invention relates to the technical field of faucet structures, and discloses a double-outlet water-saving faucet which comprises a tap water pipe, one end of the tap water pipe is connected with a primary filtering barrel, and the primary filtering barrel is used for filtering and collecting some solid particles in water; the top of the primary filtering barrel is connected with a water outlet pipe, and a water-saving mechanism is arranged at one end of the front surface of the water outlet pipe and used for automatically closing and cutting off water flow; an ultrafiltration membrane is arranged in the water outlet pipe and used for filtering bacteria, viruses and heavy metal, when the ball valve is in a closed state and the through hole in the valve element and the through hole in the valve shell are in a communicated state, tap water is squeezed out due to the pressure of the tap water, impurities intercepted on the surface of the ultrafiltration membrane can be washed away when the tap water passes through the ultrafiltration membrane, and therefore the water quality is improved. The problem that the filtering efficiency of an ultrafiltration membrane is reduced and the water yield of purified water is reduced due to blockage caused by too many intercepted impurities is solved.

The invention provides a water outlet device which comprises a variable cavity and a water outlet cavity which are arranged in the water outlet device, and the variable cavity is communicated with the water outlet cavity; the volume of the variable cavity is not equal in the water supply state and the water stop state, a piston is arranged in the water outlet device, and the piston is connected with the inner wall of the water outlet device in a sealed mode to form the variable cavity. When water is introduced, the piston moves in the direction in which the volume of the variable chamber is reduced, so that the volume of the variable chamber is reduced; when the water is closed, the piston moves towards the volume increasing direction of the variable cavity, so that the volume of the variable cavity is increased, a negative pressure cavity is formed, and residual water in the water outlet cavity is sucked into the variable cavity.

The utility model relates to the technical field of valves, and discloses an automatic water replenishing valve. The automatic water replenishing valve comprises a valve body assembly, a valve element assembly and a water replenishing driving assembly, the valve body assembly is provided with a water inlet flow channel, a water outlet flow channel and a sealing opening capable of communicating the water inlet flow channel with the water outlet flow channel, and the valve body assembly is further provided with a first mounting opening communicating with the water outlet flow channel and a second mounting opening communicating with the water inlet flow channel; the water supplementing driving assembly is installed at the first installation opening, the valve element assembly comprises a valve rod and a blocking one-way valve, the blocking one-way valve is installed at the second installation opening, one end of the valve rod is connected with the output end of the water supplementing driving assembly, and the other end of the valve rod penetrates through the sealing opening and abuts against a one-way valve element of the blocking one-way valve; the water supplementing driving assembly can drive the one-way valve element to move in the direction away from the sealing opening through the valve rod so as to communicate the water inlet runner with the water outlet runner. The automatic water replenishing valve is simple in structure, convenient to assemble and good in reliability.

The utility model discloses an automatic opening and closing valve for high-pressure pile washing of a self-elevating ocean platform, and relates to the technical field of ocean engineering equipment. According to the self-elevating ocean platform high-pressure pile washing automatic opening and closing valve and method, through the arrangement of a threaded guide rod, a reset spring, a plunger and a stepped blind hole, when pressure water is not introduced, the reset spring pushes the plunger to move, a water outlet hole is blocked, the situation that the valve body is blocked by sludge is avoided, a water guide channel and a cavity are formed under the arrangement of an L-shaped limiting part and an assembling groove, and the valve body is opened and closed. After pressure water is introduced, the pressure water extrudes the plunger through the water guide channel and the cavity, the reset spring is compressed, communication of the water guide hole, the water inlet hole and the water outlet hole is achieved, flowing out of the pressure water is facilitated, the purpose of automatically opening the valve body is achieved, and when the pressure water is not injected any more, the reset spring is reset, and automatic closing of the valve body is achieved. And the problem that the pile shoe end washing pile pipe is easily blocked by sludge is effectively solved.

A pool filling apparatus has a housing with a housing interior surrounded by an exterior surface. A water inlet port and a water outlet port are each disposed on the exterior surface for receiving and discharging water, respectively. A vertically adjustable sensor is coupled to the housing for sensing a water height of the pool and is configurable into a position vertically below the housing. A flow regulation subsystem is disposed within the housing interior and includes a conduit disposed between the water inlet port and the water outlet port, and a valve disposed in-line with the conduit between the water inlet port and water outlet port. The valve is electrically coupled to the sensor such that the sensor is configured to send a signal to the valve to change the valve from an open state to a closed state thereby preventing the water outlet port from discharging water.

The present disclosure relates to a quick fill device for use with a valve assembly, and related methods of filling a pressure vessel. A valve assembly that can be secured to a pressure vessel includes a vessel, a fill valve, and an overfill valve. A preferred example of the device includes a body, a valve trigger pin, a vent trigger pin, and a handle. A valve engagement end of the body can be releasably secured within the vessel. At this point, moving the handle to an open position causes the valve trigger pin to force the fill valve to an open configuration, and causes the vent trigger pin to force the overfill valve to a fluid venting configuration. A rigid fill tube is in fluid supply communication with a fuel supply port of the body. The fill tube and the handle can be elongate, and extend in a common direction.

The present disclosure relates to an improved digital control valve (DCV) system (100), featuring a piston-type design with a stepped piston and dual piston seals for precise flow rate control and enhanced batch accuracy under fluctuating upstream pressure (P1) conditions The piston (302) is hydraulically balanced to ensure smooth operation and reliable batch filling. The disclosure provides an Auto Tune Valve (ATV) (200) in place of conventional manually operated needle valves, offering tamper-proof, automated tuning based on line pressure by dynamically varying internal orifice size, thereby eliminating manual adjustment efforts. The improved DCV system is designed to addresses the challenge of closing the valve during electrical or mechanical failures, ensuring safety and environmental protection during batch filling operations. Two distinct dampening mechanisms are employed to mitigate sudden ramping up or down during pressure fluctuations, reducing vibration, noise, and stress on components, thereby enhancing reliability and service life. The improved DCV system ensures efficient, automated operation under varying conditions, delivering consistent safety and performance.

A lubricant distribution system for supplying lubricant. The system includes a reservoir for lubricant and a pump assembly for pumping the lubricant. The pump assembly includes a crank case having a crank assembly that is insertable into and removable from a housing of the crank case without disassembly of the crank assembly, to provide ease of assembly and disassembly of the crank case. The system also includes a shut-off valve stopping the refilling of the reservoir with lubricant. The shut-off valve includes a blocker for preventing the flow of lubricant to the reservoir and an actuation surface for positioning the blocker to prevent the flow of lubricant. For overfill protection, the actuation surface is movable relative to the blocker. The system also includes a mount with a one-way valve mounted thereto. The one-way valve is removable from the mount for easy replacement or cleaning of the one-way valve.

A coupled valve assembly comprises two valves disposed within separate housings and connected with a common coupling, such that a single actuator causes rotation of the valve stems within both valves. The two valves are configured 90 degrees out of phase with each other, such that the actuator will cause one valve to open at the same time it causes the other valve to close. The coupled valve assembly may be used to selectively divert the flow of production fluids from a wellbore to either a production header or a test header within a production manifold.

A swing rod type time-delay faucet comprises a faucet shell, a mixing valve element, a push rod, a swing rod mechanism, a damper, a reset assembly, a handle and the like, the push rod is arranged on the faucet shell in an up-down moving mode, and a swing rod of the swing rod mechanism turns over around the middle portion. The delay closing function and the cold and hot water mixing adjusting function are successfully integrated, a user can adjust the cold and hot water mixing proportion by rotating the handle leftwards and rightwards in the lifting state, the requirement for different water temperatures is met, water can be discharged by pressing the handle downwards, and the reset assembly and the damper are used for achieving the synergistic effect. After the handle is released, the delayed closing function of the mixed water outlet is achieved, frequent replacement like a traditional faucet is not needed, and the faucet is suitable for various use scenes. Due to the fact that the handle is in linkage with the valve block module and the push rod, operation such as water temperature adjustment, water outlet control and delayed closing triggering can be completed only through one handle, the operation difficulty of a user is lowered, and using convenience is improved.

The invention provides a normally open type delay timing switch valve and a gas stove, and relates to the technical field of gas stove parts, the normally open type delay timing switch valve comprises a mechanical delay timing device and a valve device, the mechanical delay timing device comprises an elastic force storage mechanism, a gear transmission mechanism and an escapement mechanism, and the elastic force storage mechanism is connected with the escapement mechanism through the gear transmission mechanism; the valve device comprises a valve body mechanism and a valve element mechanism, and the valve element mechanism is rotatably arranged in the valve body mechanism and can connect and disconnect an internal flow channel of the valve body mechanism. The valve core mechanism is connected with the elastic force storage mechanism; slow rotation of the valve element mechanism is achieved by slowly releasing potential energy of the elastic force storage mechanism, so that delayed timing on-off of a flow channel in the valve body mechanism is achieved, the delayed timing on-off effect is remarkable, potential safety hazards can be effectively reduced, the use safety and reliability of the gas stove are improved, a mechanical delayed timing structure is adopted, and the safety of the gas stove is improved. The device has the advantages of high environmental applicability, practicability, durability, convenience in operation, convenience in later maintenance and the like.

The invention relates to the technical field of fuel gas safety control, and particularly discloses an intelligent fuel gas self-closing valve for real-time operation state monitoring, the intelligent fuel gas self-closing valve comprises a state monitoring system, the state monitoring system comprises a gas pressure waveform of a fuel gas channel in a gas supply recovery stage, a rising stage of the gas pressure waveform is subjected to parameter gradient analysis, and the rising stage of the gas pressure waveform is subjected to parameter gradient analysis; establishing an impact characteristic matrix; constructing a diaphragm-airflow coupling dynamic model, and judging whether the diaphragm has a water hammer impact risk or not; if yes, the minimum diaphragm effective impact force is extracted, and a real-time damping opening degree instruction is output; controlling a multi-stage flow channel based on the damping opening instruction, carrying out fluid kinetic energy vortex dissipation analysis on the flow channel, and judging whether a deformation analysis signal is triggered or not; and if triggering, performing material deformation analysis on the diaphragm to obtain a theoretical deviation of the diaphragm, positioning a dissipation flow weak link of the flow channel, and establishing a dynamic correction model for the dissipation weak link to adjust the distribution of the flow passage area of the flow channel.

An extensible tubing (1) and a method of facilitating transfer of fluid between a fluid sup-plying device and a fluid receiving device, the extensible tubing (1) configured for connection to the fluid supplying device and for receiving a fluid therefrom, wherein the extensi-ble tubing (1) comprises: a housing (102) having a first end portion (104) and a second end portion (106); a core (120) arranged inside the housing (102) and secured thereto; a pipe (110) arranged be-tween the housing (102) and the core (120), the pipe (110) being axially movable be-tween a retracted position wherein a seal (112) prevents fluid from passing between the core (120) and the pipe (110), and an extended position wherein the seal (112) does not prevent fluid from passing between the core (120) and the pipe (110); and a piston (114) and a biasing means (116) for urging the pipe (110) towards its retracted position.

The utility model discloses a gas safety self -closing valve with protection function, including self -closing valve body, the top of self -closing valve body is provided with the nu, one side of self -closing valve body is provided with internal thread interface, the other side of self -closing valve body is installed ball core valve, and one side of ball core valve is provided with external thread interface. The utility model discloses be provided with baffle, transparent protective cover, reservation groove, dog, buckle and recess, realized to gas safety self -closing valve protection, reservation groove and buckle's distribution, facilitate baffle and self -closing valve body assembly together, and dog and recess's distribution, facilitate the transparent protective cover fixed above baffle, the top of self -closing valve body and ball core valve is shielded to it and is protected, blocks the oil fume, the stain adhesion on the outside of self -closing valve body and ball core valve top, avoids font and nu gap to be covered, thereby makes gas safety self -closing valve have protection function.

The utility model relates to the technical field of high-pressure cleaning of sewage pump pits, in particular to an improved full-automatic backwashing valve which comprises a valve body, a valve body cavity is arranged in the valve body, a water outlet and a water inlet are arranged on the left side and the right side of the upper portion of the valve body respectively, an elbow is installed at the water outlet of the valve body, and a water inlet connector is installed at the water inlet of the valve body. An upper valve cover is installed at the bottom end of the valve body, a lower valve cover is installed at the bottom end of the upper valve cover, an oil cavity is formed between the upper valve cover and the lower valve cover, an upper rubber diaphragm is installed at the bottom in a valve body cavity, a floating ball is arranged on the upper rubber diaphragm, a lower rubber diaphragm is installed at the bottom in the oil cavity, an adjusting screw is installed on the upper valve cover, and a flow channel is arranged in the upper valve cover and the adjusting screw. The valve body cavity is communicated with the oil cavity through a flow channel; the flow channel is arranged below the upper rubber diaphragm; compared with the prior art, the device is novel and simple in structure and reasonable in design, and the problem that the operation cost is greatly increased due to the fact that a traditional structure needs to be shut down for necessary cleaning or maintenance can be solved.

The invention provides a valve capable of being automatically opened and closed in a multi-way setting mode, and the valve comprises an input module which is used for obtaining input setting data; the set data comprises time data, and the number of the set data is multiple; the processing module is used for receiving the set data and performing judgment processing in combination with clock data read in real time so as to judge whether the corresponding time is reached or not; if yes, generating a corresponding control signal; the execution module is used for being controlled by the control signal and acting so as to realize automatic opening and closing of the valve; the method has the beneficial effects that the multi-path setting is realized by utilizing the fact that the setting data comprises the time data, and the number of the setting data is multiple groups; then judging whether the corresponding time is reached or not; if yes, a corresponding control signal is generated to enable the execution module to act, so that automatic opening and closing of the valve are achieved; therefore, the situation that control of an existing valve mostly depends on control signals of external equipment or manual operation is avoided, and automatic opening and closing of the valve are supported based on setting of the valve.

The utility model discloses an automatic delayed cleaning faucet which comprises a connecting cylinder, a water inlet is formed in the bottom of the left side of the connecting cylinder, a water outlet pipe is communicated with the top of the right side of the connecting cylinder, a supporting rod is fixedly connected to the bottom of an inner cavity of the connecting cylinder, and a limiting groove is formed in the surface of the supporting rod. The surface of the supporting rod is sleeved with a spring, the bottom of the spring is fixedly connected with the bottom of an inner cavity of the connecting cylinder, the top of the spring is fixedly connected with a first plugging block, the axis of the top of the first plugging block is fixedly connected with a connecting rod, and the top of the surface of the connecting rod is fixedly connected with a second plugging block. And the top of the connecting rod penetrates through the top of the connecting cylinder and is fixedly connected with a button. By adopting the equipment, water can be discharged after a period of time is delayed after the equipment is pressed by a user, so that the waste of water resources can be reduced, and great convenience is brought to daily use.

The invention discloses a water-saving valve and relates to the technical field of water-saving valves, the water-saving valve comprises a water pipe, a valve rod and a part bin, the water pipe comprises a water inlet pipe and a water drainage pipe, and a water drainage water wheel is arranged in the water drainage pipe; the valve rod is inserted into the water passing pipe and located between the water inlet pipe and the water drainage pipe. In the direction perpendicular to the water passing pipe, the valve rod is sequentially provided with a blocking block and at least one water passing hole; a first reset assembly is arranged in the part bin and comprises a transmission screw fixedly connected with the drainage water wheel and a lifting gear meshed with the transmission screw, one end of the lifting gear is fixedly connected with the valve rod, and the other end of the lifting gear is connected with the part bin through a first elastic piece. When the valve rod is pressed down, the water pipe is communicated, water flow in the drainage pipe pushes the drainage water wheel to rotate, and the valve rod extrudes the first elastic piece; when the valve rod is loosened, the lifting gear and the first elastic piece jointly push the valve rod to ascend and reset, and the water passing pipe is cut off. The water-saving valve is sensitive and reliable in action, water flow waste is avoided, and the water-saving effect is good.