382results 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.

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 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 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.

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 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 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 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.

The invention discloses a self-adaptive steady flow and instantaneous high-pressure protection hose valve and a hose packaging container. The self-adaptive steady flow and instantaneous high-pressure protection hose valve comprises a valve body and a valve cavity, wherein the valve cavity is communicated with a liquid inlet and a liquid outlet; an elastic response assembly in the valve cavity divides the valve cavity into a low-pressure side and a high-pressure side. When the low-pressure side pressure is lower than or equal to a first threshold value, the liquid inlet is sealed; when the pressure of the low-pressure side is higher than a first threshold value, a fluid main channel from the liquid inlet to the liquid outlet through the valve cavity is opened; the flow limiting structure is arranged on the high-pressure side and communicates with the liquid outlet; when the pressure of the low-pressure side rises to a second threshold value, the low-pressure side deforms to make contact with the flow limiting structure to seal the fluid main channel, and the liquid outlet communicates with the valve cavity through a constant micro-channel formed in the flow limiting structure. By arranging the elastic response assembly and the flow limiting structure which can be self-adaptively deformed according to the internal pressure to adjust the sectional area of the main channel and can be switched to the constant micro-channel at high pressure, the problems of unstable discharge flow of the hose and explosive liquid discharge at instantaneous high pressure are solved, and reliable one-way sealing is realized at the same time.

A control valve (1) for selectively regulating a fluid flow from one of two sources, comprising a housing with a first inlet (11), a second inlet (12), and an outlet, a flow selection element (55) rotatable around a centre axis (A) to bring the first inlet (11) or the second inlet (12) is in fluid communication with the outlet, said flow selection element (55) comprising a flow passage (51) comprising an axial section (51a) extending a distance along the centre axis (A) for the flow passage to be connectable at a first axial position (T1) to selectively one of the inlets (11; 12) and to be connectable to the outlet at a second axial position (T2), and a differential pressure regulator (100) arranged in the housing at an axial end of the control valve (1) and comprising a throttle member (106) axially movable along the centre axis (A).

Hydraulic manifold The invention relates to a hydraulic manifold (1) for fluidly connecting at least two series of reservoirs (2-5) comprising at least one filling inlet (6) and at least one drawing outlet (7), a filling pipe (8), a drawing pipe (9) and as many branch pipes (10, 14) as there are series of reservoirs (2-5), a branch pipe (10, 14), comprising, at its inlet, a connection to the filling pipe (8), via an upstream non-return valve (11, 15), and at its outlet, a connection to the drawing pipe (9) via a downstream non-return valve (12, 16). Figure for the abstract: Figure 1

Systems and methods for controlling valve actuators are provided. The system includes an interface circuit in electrical communication with a wiring connection from a pool / spa control system, and a processor in communication with the interface circuit. The interface circuit extracts a plurality of encoded bits transmitted to the interface circuit from the pool / spa control system over the wiring connection. The plurality of encoded bits could include Manchester-encoded bits that are encoded by the pool / spa control system by altering signals transmitted to the interface circuit over the wiring connection. The processor receives the plurality of encoded bits from the interface circuit and processes the plurality of encoded bits into a control command for controlling operation of the valve actuator. When a valid control command has been generated, the processor executes the control command to operate the valve actuator in accordance with the control command.

A method of disinfecting a fluid system having a reservoir containing a first fluid and a flow path in fluid communication with the reservoir, wherein the first fluid is selectively released from the reservoir to the flow path. A receptacle containing a second fluid, which comprises a disinfectant, is fluidly connected to the fluid system, the internal pressure of the receptacle is higher than the pressure in the flow path. The disinfectant may comprise a peroxide. The fluid system is configured such that the second fluid is retained in the receptacle when the first fluid is not released from the reservoir, and such that the second fluid is drawn into the fluid system from the receptacle when the first fluid is released from the reservoir. The receptacle is fluidly connected to the fluid system via a non-return valve 3. The system may be a plumbing system with the flow path defined by pipes 8 connecting the reservoir 9 to a shower 4, a sink 5, and a toilet with a cistern 6. Flushing the toilet releases water from the cistern into the flow path, generating a pressure differential which activates disinfectant flow from the receptacle 2 into the pipes.

The utility model provides a wine outlet faucet, and belongs to the technical field of beverage drinking equipment. The problems that an existing wine outlet faucet is prone to causing wine waste and troublesome to operate are solved. The wine outlet faucet comprises an air inlet pipe, a wine outlet pipe and a connecting assembly, the air inlet pipe and the wine outlet pipe are arranged side by side to form a valve body of the wine outlet faucet, one end of the valve body is bent downwards to enable the valve body to be in an L shape, the downwards-bent portion of the valve body forms a valve mouth portion of the valve body, and the other end of the valve body is connected with the connecting assembly. An air inlet of the air inlet pipe and a wine outlet of the wine outlet pipe are both located on the valve mouth part, a first valve element installation hole and a second valve element installation hole are formed in the bent position of the valve body, an air inlet valve element capable of blocking the air inlet pipe is arranged in the first valve element installation hole, and a wine outlet valve element capable of blocking the wine outlet pipe is arranged in the second valve element installation hole. The wine outlet faucet is more convenient to operate, and waste of wine can be avoided.

The utility model discloses an automatic reset lever remote manual regulating valve. The problem that a conventional adjusting valve does not have a reset function is mainly solved. The check valve is characterized by further comprising a support (4) installed on the valve body. The handle (41) is rotatably connected with the support, the valve rod is connected with the handle, and the tail end of the valve rod is used for manual operation rotation; the ejector rod (5) is movably mounted on the bracket; the elastic piece (51) is installed on the support and exerts force to enable the ejector rod to abut against the end of the valve rod so that the valve element can be in a closed state. According to the long-distance manual regulating valve with the automatic reset lever, the valve rod is automatically reset through the elastic piece, the regulating valve can be further operated in a longer distance by arranging the chain, and operation is safe and reliable.

The present invention discloses an outlet valve structure of an air storage gun, comprising a valve body with a cavity inside, an air inlet channel and an air outlet channel connected to the cavity, a valve core, and an elastic reset mechanism. The valve core is slidably connected to the valve body and includes a sealing portion that separates the air outlet channel from the cavity by contacting the inner wall of the cavity. High-pressure gas enters the cavity through the air inlet channel, comprising a fixed seat provided with a sliding cavity, the valve core is sealed and slidably connected to the sliding cavity, the valve core and the sliding cavity cooperate to form a first sealing area, when the valve core is in an initial position, its sealing portion contacts the inner wall of the cavity to form a second sealing area, high-pressure gas enters the cavity through the air inlet channel, and a high-pressure area is formed in the first sealing area and the second sealing area, and the other side of the first sealing area and the other side of the second sealing area are both normal pressure areas connected to the outside. The present invention provides an outlet valve structure of an air storage gun that can adjust the valve opening force and is easy to operate.

An apparatus includes a frac pump. The apparatus also includes a lubricating system, the lubricating system in fluid connection with the frac pump, the lubricating system including a lubricating oil tank and a lubricating oil pump in fluidic connection with the lubricating oil tank. The lubricating system also includes a directional valve, wherein the directional valve in fluidic connection to the lubricating oil pump and the frac pump and a sequence valve, the sequence valve in fluidic connection to the directional valve and the lubricating oil tank.