21 results about "Mechanical valve" patented technology

The utility model relates to an overhung strong on-off hollow gas-proof feedback pump and relates to the technical field of oil pumping pumps, comprising upper and lower pump cylinders arranged side by side from top to bottom, the upper and lower pump cylinders being connected through a sand-set gas-proof coupling, the inner diameter of the sand-set gas-proof coupling being greater than the inner diameters of the upper and lower pump cylinders, a flexible plunger assembly being arranged to reciprocate together between the upper and lower pump cylinders, the lower end of the flexible plunger assembly being connected to a forced mechanical valve group, the lower end of the lower pump cylinder being connected to a bottom pump cylinder, and the oil inlet of the forced mechanical valve group being fixedly connected to a plunger tube that is slidingly constrained in the bottom pump cylinder. The utility model solves the problems of the conventional oil pumping pump, i.e., the oil pumping pump is prone to gas locking during the up and down strokes, which results in a small oil output or even no oil output, seriously affecting the normal operation of the oil well, and the problems of the existing rod column, i.e., the friction between the thick oil and the oil pumping rod is large, the oil pumping rod is subjected to a large force, and the risk of the oil pumping rod being broken off is increased.

The utility model discloses an electrolytic cell of built -in mechanical type automatic valve, and the inside of open end plate forms the horizontal passage of horizontal distribution, is provided with to the both ends of horizontal passage through open end plate, and one end of horizontal passage is purging gas import, and the other end of horizontal passage is hydrogen export, and the both sides of open end plate still respectively downwards have opened first longitudinal channel and second longitudinal channel, and open end plate is close to the central position longitudinal distribution and has the pilot pressure channel, and the pilot pressure channel is through open end plate distribution up and down, and the one end of horizontal passage close to purging gas import is equipped with check valve, and the pilot pressure channel is equipped with the on -off valve. Advantageous effects are: realize the hydrogen gas that electrolytic cell works produces from the both ends of electrolytic chamber and flows out simultaneously, realize the purging when electrolytic cell stops, and purging gas flows into from one end of electrolytic chamber, and flows out from the other end, and the switching of two kinds of modes is automatic, and does not depend on electrical control equipment, realizes by mechanical valve, and the reliability is high, and simple to use.

The application provides a track type three-leaflet mechanical valve. The track type three-leaflet mechanical valve comprises a ring-shaped support and valve leaves, the ring-shaped support is a hollow columnar structure, the valve leaves comprise trailing edges and leading edges connected to the ring-shaped support; the valve leaves are three, the three valve leaves are sequentially and spacedly arranged along the circumference on the inner wall of the ring-shaped support, the inner wall of the ring-shaped support is provided with movement tracks matched with the valve leaves, the movement tracks accommodate and receive the leading edges of the valve leaves; the inner wall of the ring-shaped support is provided with a partition body between adjacent valve leaves, the partition body separates the valve leaves and supports the end portions of the valve leaves. The application optimizes the structure, improves the fluid dynamics performance, reduces the interference to blood flow, optimizes the blood flow performance, enhances self-cleaning, and reduces the thrombosis risk.

The present application relates to the technical field of cocktail mixing machine, and particularly relates to a stirring mechanism of a cocktail mixing machine. The stirring mechanism comprises: a stirring cup with an open top, a mounting box at the bottom of the stirring cup, wherein the bottom of the stirring cup is provided with a stirring paddle, the mounting box is provided with a driving device for driving the stirring paddle, the side of the bottom of the stirring cup away from the stirring paddle is provided with a discharging channel, and the discharging channel is communicated with a wine outlet pipeline arranged in the mounting box. The stirring mechanism further comprises: a mechanical valve assembly for opening or closing the discharging channel. When the operating rod is rotated under external force, the operating rod is pushed to move upward along the axial direction of the transmission rod, the transmission rod drives the first sealing plug to move away from the entrance of the discharging channel, so that the liquid in the stirring cup enters the wine outlet pipeline through the discharging channel. When the external force is removed, the transmission rod moves downward along the axial direction under the action of the elastic reset member, and drives the first sealing plug to close the entrance of the discharging channel.

1. The name of the design product: filling machine (mechanical valve). 2. The use of the design product: for mechanical valve gravity filling of low viscosity materials such as water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application relates to the dust collecting and storing technical field and discloses a negative pressure powder collecting device with a storing function, which comprises a feeding pipe, a mechanical valve is fixedly installed on the outer surface of the feeding pipe, and a feeding cylinder is fixedly communicated with the bottom end of the feeding pipe. The negative pressure powder collecting device with the storing function is provided with components such as the mechanical valve, the storing cylinder and the pneumatic valve, the mechanical valve is always opened during production, the pneumatic valve is opened during powder collecting, powder flows into a PE bag through a discharging pipe, the pneumatic valve is closed when the PE bag needs to be replaced, the powder stays in the storing cylinder, the storing cylinder has a certain depth, the probability of negative pressure extraction of the powder is reduced, the pneumatic valve is opened after the PE bag is replaced, the temporarily stored powder falls into a new PE bag, the mechanical valve and the pneumatic valve are closed after production, the dry paste powder can be effectively collected and stored in the storing cylinder, non-stop continuous operation is realized, the operation convenience is improved, and the system leakage is reduced due to the double valve sealing.

This invention discloses a fatigue-resistant MEMS microvalve based on discrete pulse drive, belonging to the field of microelectromechanical systems (MEMS) technology. The microvalve includes a microchannel, a bistable mechanical valve core, and a discrete pulse drive unit. The bistable mechanical valve core has only two stable mechanical positions: fully open and fully closed. The discrete pulse drive unit receives a single discrete voltage pulse to drive the valve core to complete the state switching. This invention has zero power consumption when there is no pulse input. The valve core relies on its physical structure for self-locking, eliminating continuous stress and static power consumption, significantly improving fatigue life. It is suitable for aerospace engines, medical microfluidics, and industrial pneumatic systems.

The present application relates to oxygen valve technical field, the present application discloses a three mouth valve, including the connecting stabilizing portion, the connecting stabilizing portion is successively provided with the air inlet and the stabilizing chamber along the direction of movement of the bottle gas, the lower portion of the connecting stabilizing portion is provided with a plurality of with the connecting stabilizing portion as center annular distribution's air supply unit, a plurality of air supply unit is fixedly connected, the air supply unit is provided with the gas distribution warehouse, the gas distribution warehouse is successively provided with the gas control workpiece, the piston sheet, the bottom air inlet assembly, the mechanical valve from top to bottom in;With double airway cooperation, gas passes through the lower top gas pipeline and enters the bottom air inlet assembly, two gas all comes from the stabilizing chamber, the upper and lower end of piston sheet is affected by the relative force of gas, and the mechanical valve is deformed, and the negative pressure demand of the mechanical valve is reduced.The mechanical valve deformation force of the technical scheme is greater, but the negative pressure demand of the deformation is small.

A mechanical valve, a valve assembly, and a drinking water device. The mechanical valve (100) comprises a valve body (101), a first sealing ring (102), a valve stem (103), a pressing assembly (104), and a spring (105). The valve body (101) is provided with a communication port (101C) that connects a water intake cavity (101A) to a water discharge cavity (101B). The valve body (101) comprises a mounting part (101a) located in the water intake cavity (101A). The first sealing ring (102) is connected to the mounting part (101a) and is arranged around the communication port (101C). The valve stem (103) is movably arranged on the valve body (101), and part of the valve stem (103) located in the water intake cavity (101A) has a sealing surface (103A) facing the first sealing ring (102). The pressing assembly (104) drives the valve stem (103) to move in the axial direction thereof and switch to a first state or a second state. The spring (105) is provided in the water intake cavity (101A). The two ends of the spring (105) abut against the valve stem (103) and a cavity wall of the water intake cavity (101A), respectively, and provide a pushing force acting on the valve stem (103) and in the axial direction of the valve stem (103) toward the pressing assembly (104). Said mechanical valve structure simplifies the structure of a mechanical valve and improves the ease of operation while achieving effective water flow control.

The utility model provides a kind of electromagnetic valve based on solid-state elastic card refrigeration, belong to electromagnetic valve technical field, including valve main body, connecting pipe group and switching execution component. First chamber and second chamber are sequentially communicated in valve main body inside;Connecting pipe group includes first pipeline, second pipeline and third pipeline, the side wall of second chamber is communicated to first pipeline, the side wall of first chamber is communicated to second pipeline, and one end of third pipeline is communicated to second chamber away from first chamber direction;Switching execution component includes electromagnetic drive part and stem, one end of stem is inserted into second chamber and is connected with plugging part, and the other end of stem is provided with elastic member. The utility model provides a kind of electromagnetic valve based on solid-state elastic card refrigeration, when power on, magnetic attraction stem overcomes elastic force to move and realize that first pipeline is communicated with third pipeline, when power off, elastic member pushes stem to move and realize that first pipeline is communicated with second pipeline. This electromagnetic valve can replace mechanical valve, ensure switching its function, and assembly is simple, not easy to wear.

The present application relates to the technical field of medical equipment, in particular to a kind of artificial implant mechanical heart valve bionic experiment dynamic simulation device, including simulation frame, closed shell, environmental control component, pump liquid mechanism and detection mechanism, the simulation frame is fixed, closed shell is installed in the simulation frame, environmental control component is installed in the closed shell, environmental control component is used to adjust temperature humidity and other indexes in closed shell, to simulate the human environment under different conditions in sequence;The pump liquid mechanism is installed in the closed shell, and the pump liquid mechanism is used to simulate the blood flow of human body and then cooperate with detection mechanism to detect mechanical heart valve;The detection mechanism is installed in one side of the pump liquid mechanism, and the detection mechanism is used to fix mechanical valve and cooperate with pump liquid mechanism to detect artificial heart valve.

The utility model provides a kind of solenoid valve structure, belong to solenoid valve technical field, including valve main body, connecting pipe group and switching execution component. First chamber and second chamber are sequentially communicated in valve main body inside;Connecting pipe group includes first pipeline, second pipeline and third pipeline, the side wall of second chamber is communicated to first pipeline, the side wall of first chamber is communicated to second pipeline, and one end of third pipeline is communicated to second chamber away from first chamber direction;Switching execution component includes electromagnetic drive part and stem, one end of stem is inserted into second chamber and is connected with plugging block, its end face has elastic part, and the other end of stem is provided with elastic member. The solenoid valve structure provided by the utility model, when power on, magnetic attraction stem overcomes elastic force to move and realize that first pipeline is communicated with third pipeline, when power off, elastic member pushes stem to move and realize that first pipeline is communicated with second pipeline. The solenoid valve can replace mechanical valve, ensure switching function, and assembly is simple and not easy to wear.

This invention relates to the field of gas supply control technology and discloses a mechanical valve group for variable differential pressure gas supply, including pneumatic control valve I, pneumatic control valve II, pneumatic control valve III, and a pneumatic ball valve, as well as three self-relief pressure reducing valves. The pneumatic ball valve is connected upstream and downstream to a product gas pipe and a user gas pipe with a pressure of 1.0 MPa, respectively. The three self-relief pressure reducing valves are connected to the gas station using 1.2 MPa argon gas as the control gas source, and after pressure reduction, they form pressure reducing valve I, pressure reducing valve II, and pressure reducing valve III. By using a two-position three-way pneumatic control valve, self-relief pressure reducing valve, and pneumatic ball valve, the entire device uses only pneumatic components, without any electrical equipment, eliminating the need to upgrade the explosion-proof rating of the site, significantly reducing the cost of explosion-proof modification for hazardous environments such as oxygen stations, achieving a zero-electricity design, excellent explosion-proof performance, and pure mechanical pneumatic control, unaffected by electromagnetic interference, voltage fluctuations, power outages, etc., and can operate stably for a long time.

The utility model discloses a mechanical valve mould with end overflow groove wears and inserts structure, including the mechanical valve body and mechanical valve block of opposite setting, the lower surface middle part position of mechanical valve block is equipped with the aluminium liquid channel, the upper surface middle part position fixed connection of mechanical valve body has the overflow groove pair and inserts the sealing aluminium block of being suitable for aluminium liquid channel, the overflow groove pair and inserts the sealing aluminium block and inserts in aluminium liquid channel, and the both sides of overflow groove pair and insert sealing aluminium block and the both inside of aluminium liquid channel are closely combined arrangement to the parting surface connection place sealed that aluminium liquid channel and mechanical valve body and mechanical valve block form. The utility model discloses a mechanical valve mould's internal cavity place is provided with the overflow groove pair and inserts the sealing aluminium block, makes it can insert in the aluminium liquid channel inside of cavity, prevents the mechanical valve mould from producing parting surface deformation and causing the problem of aluminium liquid overflow or spatter when working along with temperature rise, guarantees the continuity of mechanical valve mould in production operation.

This utility model discloses a mechanical valve core faucet with electronic intelligent linkage function, belonging to the field of bathroom equipment technology. It includes a mechanical valve core, a faucet body, a water outlet pipe, and an electronic control module. The mechanical valve core is fixed to a valve core base by a nut, and the valve core base has a notch for a connecting wire to pass through. The water outlet pipe is engaged with a friction ring in a through hole in the faucet body, and the protrusion of the water outlet pipe cooperates with the notch in the faucet body to form a 130° rotation limiting structure. This utility model faucet retains the traditional mechanical valve core's functions of controlling water flow and adjusting water temperature, and uses an electronic control module to display the water temperature digitally or by light. It can also be linked with smart sinks, basins, garbage disposers, and other devices. It combines the reliability of traditional faucets with intelligent functions, meeting users' needs for precise water use and device linkage. It has a compact structure and excellent waterproof performance.

The utility model discloses a pump -storage power station mechanical valve auxiliary operation device, including the wheel disc of mechanical valve, its characterized in that: the wheel disc outside place has the mounting piece, the mounting piece one end has the connecting piece of hinged, the connecting piece inboard slidingly connected has the handle bar, be equipped with the lock catch assembly between handle bar and connecting piece, the mounting piece inboard is equipped with drive assembly, and drive assembly bottom is equipped with two clamping assemblies, the lock catch assembly includes the limiting portion fixed in handle bar one end and located connecting piece inboard, the limiting portion is in and is equipped with fixed groove, be equipped with pull rod in fixed groove, pull rod outside is equipped with the spring, the spring is located between the fixed groove and the anti -drop board top, the utility model discloses the distance between handle bar and connecting piece is adjusted according to construction environment and operating torque, and improve the convenience and stability of telescopic distance between handle bar and connecting piece.

The utility model discloses a kind of pantograph ascending pantograph ultra-high limit detection devices, belong to pantograph detection technical field, for pantograph ascension detection, pantograph includes base, lifting arm, bow head and pantograph lowering detection gas path, the upper arm part of lifting arm is connected bow head, the lower arm part of lifting arm is connected base by center pivot, after the leakage of pantograph lowering detection gas path detection, it will trigger pantograph lowering action, ultra-high limit detection device includes trigger mechanism and detection mechanism, the trigger mechanism is fixed in one end of the center pivot and follows the center pivot rotation, detection mechanism is located in the trigger mechanism side and is connected with the base, the trigger mechanism after rotation and the detection mechanism abut, the detection mechanism is equipped with mechanical valve, the mechanical valve is connected with pantograph lowering detection gas path by hose. The utility model can prevent pantograph scraping accident caused by pantograph ascending too high, simultaneously as redundancy protection, can realize pantograph lowering action when height mechanical limit fails.

This utility model relates to the field of efficient oilfield exploitation technology, and in particular to a mechanically controlled plunger pump valve. The mechanically controlled plunger pump valve includes a hollow mechanical valve core (361), which is hollow in the middle and closed at the top and bottom. It includes two sets of ports in the middle, namely a first port (362) and a second port (363). The diameter of the part where the first port (362) and the second port (363) are located is smaller than the diameter of the two ends and the middle of the hollow mechanical valve core (361). The first port (362) and the second port (363) are connected to the middle of the hollow mechanical valve core (361).

This utility model relates to the field of medical device technology, specifically to a plastic tube insertion device, including a connector clamping cylinder, a plastic tube clamping cylinder, a propulsion cylinder, an upper connector clamping block, a lower connector clamping block, an upper plastic tube clamping block, a lower plastic tube clamping block, a foot switch, a mechanical valve, and a trigger block. The connector and plastic tube are pre-inserted and placed on the lower connector clamping block, with one end of the plastic tube resting on the lower plastic tube clamping block. Pressing the foot switch controls the connector clamping cylinder to move, driving the upper connector clamping block closer to the lower connector clamping block. Simultaneously, the foot switch moves the trigger block towards the mechanical valve, acting on the valve's deflection switch. The mechanical valve then controls the propulsion cylinder's push rod to extend, causing the lower plastic tube clamping block to move towards the lower connector clamping block, thus completing the insertion of the plastic tube and connector. Compared to traditional manual assembly methods, this significantly reduces assembly labor intensity.

This invention provides a mechanical valve for the feed inlet of a converter hopper, comprising a valve body, a valve plate, a valve shaft, and a swing arm. The valve body has a flared inlet, larger than the outlet of the unloading chute of the unloading trolley. The outlet of the unloading chute is equipped with a fan-shaped cover. The valve body has a square outlet. The valve plate includes a pipe and a steel plate, with the heavier end of the steel plate located in the upper part of the valve body. The valve shaft and the swing arm are connected by a key. The swing arm includes a roller, a bearing seat, and a panel. The roller is fixed between two panels by a pin. This technical solution can reduce dust emissions during the unloading process and prevent dust from escaping from inside the hopper and contaminating the platform.