96 results about "Stopcock" patented technology

The utility model discloses a high-pressure protection structure for pipeline safety management, which is arranged at the butt joint position of a conveying main pipe and comprises a housing component sleeved on the conveying main pipe and an active pressure relief component capable of switching the communication state of the housing component and the conveying main pipe according to the pressure in the conveying main pipe, the active pressure relief assembly comprises a pressure relief pipe communicated with the main conveying pipe, the pressure relief pipe is sequentially divided into a liquid inlet section, a transition section and a liquid outlet section in the length direction, the liquid inlet section is located in the main conveying pipe, a plugging cock is arranged in the liquid inlet section and the transition section in a penetrating mode, and the communication state between the liquid inlet section and the liquid outlet section is switched through the plugging cock; when the pressure in the conveying main pipe fluctuates greatly, liquid in the conveying main pipe is discharged through the pressure relief pipe, so that pressure relief is achieved, normal operation of the water supply and drainage system is guaranteed, safety and stability caused by pressure over-limit leakage are avoided, and safety management of the water supply and drainage system is facilitated.

A universal cap for both male and female connections includes configuration of structural elements allowing the cap to be opened at either end. Optionally, an inner wall feature allows each end of a cap structure to function as its own cap, or perform a separate capping function. For example, should one end of the cap structure be in use, and the other end of the cap structure be open to air, the end of the cap structure in use, or performing the capping function, is not compromised. Optionally, dual ended cap structure includes features designed to maintain the pressure in a closed system, for both the male and female luer lock ends.

A medical stopcock having a body with a central, cylindrical hub surrounding an axis and a plurality of ports extending radially outward from the hub; a rotatable hub having a housing, a manifold shaft, and an arm; and an indexing feature comprising at least one spring-loaded element configured to provide engagement with at least a portion of the rotatable hub and an upper surface of at least one of the plurality of ports of the body. Related systems, devices, and methods are provided.

The invention provides a micro-plastic filling permeation immersion type interface coupling reaction experiment device which comprises a rectangular frame, a reaction column cylinder, a T-shaped strip and an iron convex block, a piston rod is movably arranged in the reaction column cylinder, a material guide pipe is arranged at the upper end of the right side of the reaction column cylinder, and a micro plug valve is arranged at a liquid inlet in the lower end of the reaction column cylinder. Guide grooves are formed in the left side and the right side of the interior of the rectangular frame, a magnetic block is installed on the upper portion of the interior of the rectangular frame, a U-shaped iron frame is fixed to the upper end of the right side of an iron protruding block, and a positioning rod is installed at the right end of the lower portion of the U-shaped iron frame in a penetrating and sliding mode. And the reaction solution uniformly permeates through the filling layer by utilizing the negative pressure of the driving core, so that the full-domain immersion type full contact between the micro plastic particles and the reaction solution is realized.

The utility model relates to a plug valve which comprises a valve body, a lower valve seat is arranged on the portion, close to the right side, of an inner cavity of the valve body, an upper valve seat is arranged on the left side of the lower valve seat and located on the portion, close to the left side, of the inner cavity of the valve body, a first O-shaped ring and a check ring are arranged on the edge of the outer side of the lower valve seat, and a second O-shaped ring and a check ring are arranged on the edge of the outer side of the upper valve seat. A ball core is jointly arranged between the lower valve seat and the upper valve seat, a switch is arranged at the top of the ball core, and a plane bearing is arranged at the position, close to the bottom, of the edge of the outer side of the switch. A low-friction-resistance structure is adopted, the switching torque of the plug valve can be effectively reduced, and low-torque switching of the plug valve in the pressure bearing state is achieved; therefore, the ball valve can be rotated by 90 degrees by rotating the cross joint through a special handle, opening and closing are achieved, blowout accidents are prevented, and use is convenient and reliable.

This invention discloses a slow-release sealing device, comprising: an installation tube having an injection port and a reservoir cavity that communicate with each other; the installation tube being connected to a stopcock end to connect the injection port to an indwelling needle; a pressure valve disposed within the injection port; and a fluid-pushing assembly including a pusher component disposed in the reservoir cavity that performs piston-like movements, the pusher component having a protrusion and a puncture tip; wherein the puncture tip punctures the pressure valve to form a pressure cavity. The slow-release sealing device provided by this invention utilizes the pressure valve disposed within the injection port of the installation tube and the pusher component disposed within the reservoir cavity. The installation tube can be installed onto the stopcock end of the indwelling needle, at which point the injection port communicates with the indwelling needle. The reservoir cavity pre-stores sealing fluid, allowing the pusher component of the fluid-pushing assembly to slide along the reservoir cavity, causing the sealing fluid to gradually enter the indwelling needle from the injection port through the pressure valve, thereby achieving a sealing effect on the indwelling needle and overcoming the problem of blood clotting and clogging of the indwelling needle after limb activity.

This invention relates to a stopcock valve and a water-cooled air conditioner. The stopcock valve includes: a valve body having a fluid inlet and a fluid outlet; a valve core disposed within the valve body and rotatable between an open position and a closed position, the valve core including a first valve plate and a second valve plate, wherein in the closed position, the first valve plate closes the fluid inlet and the second valve plate closes the fluid outlet; and a scraping structure disposed on an opposing surface that slides in contact with the sealing surface of the second valve plate and is located on the rotation path of the second valve plate, and configured to scrape the sealing surface of the second valve plate during rotation of the valve core.

1. The name of the design product: the movable rod of water stop valve (HD-G2518). 2. The use of the design product: the design product is used for the movable rod of water stop valve. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application relates to a labor-saving thread port stop valve, belonging to the technical field of valves, which comprises a valve body with two open ends in the axial direction, a valve seat integrally connected to the middle part of the valve body, and a plunger movably installed in the valve body, a regulating seat is vertically connected to the middle part of the valve body, a hand wheel is rotationally connected to the top of the regulating seat, the hand wheel is screw-threadedly provided with a valve rod with one end connected to the plunger along the axis, the valve seat is provided with a through hole with a top end and a bottom end respectively communicated with the inlet and the outlet of the valve body, the plunger comprises a valve cover rotationally arranged at the bottom of the valve rod and an auger rotationally arranged at the other side of the valve cover, a plurality of fan-shaped pressure relief holes are arranged on the valve cover in the circumferential direction, sealing covers are rotationally arranged at the positions of the pressure relief holes, movable connecting assemblies are arranged between the sealing covers and the auger, and the valve body is provided with locking devices for rotationally limiting the sealing covers. The application can greatly reduce the resistance received by the plunger when the thread port stop valve is opened and closed, so that the opening and closing operation of the valve body is more labor-saving.

1. The name of the design product: the movable rod of water stop valve (HD-G2516). 2. The use of the design product: the design product is used for the movable rod of water stop valve. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: stop valve (water pipe joint). 2. The use of the design product: the design product is used for stop valve. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model provides a gas oven with a one-inlet two-outlet plug valve, which comprises an oven main body and a plurality of burners arranged on the oven main body, an air inlet pipe is arranged in the oven main body, a plug valve and a breather pipe are arranged between the air inlet pipe and the burners, and the plug valve and the breather pipe are communicated with the oven main body. The plug valve is arranged in the oven body and provided with a valve cavity, an air inlet, a first air outlet pipe and a second air outlet pipe, the air inlet is located at the bottom end of the valve cavity, and the first air outlet pipe and the second air outlet pipe are located on the upper portion of the valve cavity and arranged on the opposite sides of the valve cavity respectively. The first air outlet pipe and the second air outlet pipe are arranged on the upper portion of the valve cavity, air outlet of the first air outlet pipe or the second air outlet pipe is achieved by rotating the valve element, the structure of the gas oven valve body is simplified, production difficulty is reduced, production speed is increased, and production cost is reduced.

The utility model provides a gas valve and a gas stove, and belongs to the technical field of stoves. The gas valve comprises a valve body and a closer, the valve body comprises a gas inlet channel, an inner ring gas supply channel and an outer ring gas supply channel, the closer is arranged at the upstream of the inner ring gas supply channel and the outer ring gas supply channel, the gas valve further comprises a regulating valve, and the regulating valve is arranged at the upstream of the closer. The adjusting valve comprises a valve cavity and a valve element, a valve port is formed in the valve cavity, the air inlet channel and the closer are communicated through the valve port, a flow limiting hole is formed in the valve element, the two ends of the flow limiting hole penetrate through the valve element, and the valve element can move in the valve cavity so that the adjusting valve can be switched between a common state and a stir-frying state. In a common state, the valve element closes the valve port, and the air inlet channel is communicated with the closer through the flow limiting hole. In the stir-frying state, the valve element opens the valve port. The common state and the stir-frying state share one fuel gas passage, the fuel gas valve does not need to be additionally provided with an independent stir-frying passage, the original fuel gas passage can be modified, the modification is more convenient, and the modification cost is lower.

The utility model relates to the field of kitchen utensils, and particularly discloses a plug valve and a stove comprising the plug valve, and the plug valve is characterized in that a gas inlet channel, a valve port and a gas outlet channel which are communicated with one another are sequentially arranged in a valve body; the electromagnetic valve is arranged in the valve body and used for opening and closing the valve port; the flow adjusting part is provided with a central through hole communicated with the air inlet channel and the air outlet channel and is inserted into the valve port, the intercepting area of the central through hole is smaller than that of the valve port, and the flow adjusting part is made of a magnetic attraction material; the electromagnetic valve is arranged on one side of the valve port so as to attract the flow adjusting piece to be separated from the valve port. The stove comprises the plug valve. The flow regulating part is made of a magnetic material so as to be easily adsorbed by the electromagnetic valve, so that the flow regulating part leaves the valve port to increase the gas flow to enter the gas outlet channel, and the stove is switched from a common mode to a stir-frying mode; according to the plug valve, on the basis that the original structure of the cooker is not changed, switching of the cooker from a common mode to a stir-frying mode is achieved only by additionally arranging the flow adjusting piece.

The utility model provides a plug valve which belongs to the technical field of kitchen appliances, the plug valve comprises a valve body, a valve core, a valve rod and a delay mechanism, the valve body comprises a valve body, an outer ring air outlet assembly and an inner ring air outlet assembly, the valve core comprises a valve core cavity, an outer ring air outlet hole, an air inlet hole and an inner ring air outlet hole, and the outer ring air outlet hole, the air inlet hole and the inner ring air outlet hole are arranged from top to bottom. The outer ring air outlet assembly is provided with an outer ring channel and a stir-frying channel connected to the outer ring channel, and the inner ring air outlet assembly is provided with an inner ring channel; the air inlet hole is communicated with the outer ring air outlet hole to form a first air outlet channel communicated with the outer ring channel, and the air inlet hole is communicated with the inner ring air outlet hole to form a second air outlet channel communicated with the inner ring channel; the delay mechanism is inserted into the valve element cavity and can abut against the valve rod which is configured to be in a downward pressing state, and the delay mechanism can ascend and descend along with the valve rod so as to connect or disconnect the first air outlet channel and the outer ring channel. The gas outlet of the outer ring can be delayed, ignition deflagration is prevented, and the product safety performance and the user experience are effectively improved.

A plug valve comprises a valve body, a plug cock, a plug tile, a valve cover, a sealing ring, a hand wheel, a cap, an upper combined seal and a lower combined seal, the plug cock is arranged in the valve body, the plug tile is arranged between the plug cock and the valve body, the valve cover fixed to the valve body is arranged at the upper end of the plug cock, the sealing ring is arranged between the valve cover and the valve body, and the hand wheel fixed to the plug cock through the cap is arranged at the upper end of the valve cover. A lower combined seal is arranged between the lower end of the plug cock and the valve body, an upper combined seal is arranged between the upper end of the plug cock and the valve cover, a left groove and a right groove which are recessed into the cylindrical surface of the plug cock are respectively arranged on the plug cock, a left rotating clack is arranged in the left groove, and a right rotating clack is arranged in the right groove. The inner side faces of the left rotating petal and the right rotating petal and the groove bottom faces of the left groove and the right groove form corresponding supporting in a cylindrical spiral face mode respectively, a left inner clamping hook is arranged on one side of the left groove and corresponds to one side of the left rotating petal, a left outer clamping hook is arranged on one side of the right groove and corresponds to one side of the right rotating petal, and a right inner clamping hook is arranged on one side of the right groove and corresponds to one side of the right rotating petal and corresponds to one side of the right outer clamping hook.

An invasive blood pressure monitoring system has a blood pressure transducer, a plug valve for ventilating the blood pressure transducer, and a display for displaying the monitored blood pressure. The controller determines whether the plug valve is open or closed, and provides or updates the displayed information upon detecting that the plug valve is open.

1. The name of the design product: the movable rod of water stop valve (HD-G2522). 2. The use of the design product: the design product is used for the movable rod of water stop valve. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

1. The name of the design product: the movable rod of water stop valve (HD-G2520). 2. The use of the design product: the design product is used for the movable rod of water stop valve. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses a dust filtration chamber for civil air defense, which is used for civil air defense engineering and comprises a closed wall, a hot galvanizing pipe, a plug valve, an inclined micromanometer and a connecting hose, and the closed wall is used for bearing the dust filtration chamber for civil air defense; the hot galvanizing pipe is arranged on the sealing wall in a penetrating manner; a plug valve is detachably installed at the end, away from the closed wall, of the hot galvanizing pipe, an inclined micromanometer is arranged on one side of the hot galvanizing pipe, and a connecting hose is arranged at the detection end of the inclined micromanometer. According to the utility model, the inclined micromanometer, the connecting hose, the welding piece, the ball valve and the hot-dip galvanized pipe are arranged, so that the inclined micromanometer can detect the pressure in the hot-dip galvanized pipe in real time through the diffusion chamber during use, and then a signal is transmitted to the display through the control panel, so that an operator can observe the pressure difference in the hot-dip galvanized pipe in real time; once a problem occurs, repair treatment can be carried out, so that the problem of the filtering structure of the dust filtration chamber for civil air defense is avoided.

The technical problem this invention aims to solve is to provide an automatic flow rate switching valve for biomolecular chromatography. This automatic flow rate switching valve's dynamic response mechanism can precisely match the flow rate requirements of different stages after chromatography, ensuring sufficient injection of cleaning solution and timely discharge of high-salt solutions to avoid residue, effectively reducing manual intervention and operational errors. The device includes a main inlet pipe connected to the inlet pipe of the chromatography system, with six branch inlet pipes. Each of the six branch inlet pipes is equipped with an identical valve body control structure, including a stopcock valve and a flow rate switch control structure. The flow rate switch control structure opens or closes the corresponding stopcock valve according to the different flow rates of the main inlet pipe. Different cleaning solutions are injected through the six branch inlet pipes, and the corresponding stopcock valves can be opened or closed according to the different flow rates of the main inlet pipe, allowing different cleaning solutions to be injected at different cleaning stages for thorough cleaning.

The invention discloses a plug valve assembly line which comprises a bearing tray used for containing a to-be-assembled part of a plug valve. The first lifting mechanism is used for lifting the bearing tray; the first conveying belt is used for bearing trays; the liftable station seat is used for bearing a worker, and the height of the seat is adjusted through electric control; the second lifting mechanism is used for descending the bearing tray and the assembled plug valve; the storage module is at least used for storing height information of workers; the master control module is used for inputting the height information of workers to the storage module, configuring the assembly process of each station and the personnel information of the corresponding station, and adjusting the height of the seats at the stations through electric control after obtaining the height information of the workers in the storage module; the bearing tray is provided with a rotating tray and a positioning assembly which is arranged on the rotating tray and used for positioning all parts to be assembled. According to the scheme, the production efficiency of the plug valve can be improved, and the influence on the health of workers is reduced.

A spring switch for an insulated container lid includes: a top tube, a support tube, a sliding groove tube, a movable plug spring, a movable plug, a stopcock, a push rod spring, a movable plug shaft seal ring, and a movable plug seal ring. A movable plug spring is located between the support tube and the movable plug. The movable plug is fitted with the movable plug shaft seal ring and the movable plug seal ring in sequence. The movable plug is mounted on the axis of the stopcock. A push rod spring is fitted onto the movable plug. A retaining ring is located at the top of the movable plug. The top tube and the support tube are sequentially fitted into the sliding groove tube. The bottom of the top tube has a ring of top tube ribs, and the outer side of the bottom of the support tube has a ring of limiting ribs. The beveled teeth on the top tube ribs cooperate with the beveled teeth on the limiting ribs. The inner side of the sliding groove tube has low-limit beveled teeth, and the upper part has a high-limit retaining groove. The advantages of this invention are: good modular component versatility, solving product noise or leakage problems, simple structure, no need to blindly increase component precision, reduced production costs, and guaranteed product quality.

1. The name of the design product: plug valve core. 2. The use of the design product: plug valve core. 3. The design features of the design product: in shape. 4. The picture or photo that best shows the design features: perspective view 1.

The utility model provides a novel plug valve, and relates to the technical field of valves. Comprising a valve seat made of PEEK or stainless steel materials, and a cock is arranged in the valve seat. A lining is fixedly nested in the valve seat; the lining is located on the periphery of the rotary plug. A 2507 stainless steel sealing cover is arranged at the upper end of the valve seat; the upper end of the valve rod penetrates through the sealing cover, the middle of the valve rod is in sealing connection with the sealing cover, and the lower end of the valve rod is connected with the cock; and the sealing surface of the sealing cover is made of stellite alloy steel. A cavity is eliminated through the lining, crystal accumulation is avoided, two-way sealing supports any flow direction, materials are resistant to corrosion and high temperature, the problem of urea crystal accumulation in the ammonium carbamate solution environment is avoided, and normal operation of the valve is guaranteed.

A medical stopcock assembly with position detection includes a medical stopcock and a sensor. The medical stopcock includes a main body and a valve body. The valve body defines a valve passage and can be movable relative to the main body between a first position in which a first input port and an output port are in fluid communication through the valve passage, a second position in which a second input port and an output port are in fluid communication through the valve passage, and a third position in which the second input port and the first input port are in fluid communication through the valve passage. An exterior surface of the valve body can include positioning structure. The sensor can be configured to determine whether the valve body is in the first position, the second position, or the third position.

A medical stopcock assembly with position detection includes a medical stopcock and a sensor. The medical stopcock may include a main body and a valve body. The valve body may define a valve passageway and be moveable relative to the main body between a first position where a first input port and an output port are in fluid communication via the valve passageway, a second position where a second input port and the output port are in fluid communication via the valve passageway, and a third position where the second input port and the first input port are in fluid communication via the valve passageway. An external surface of the valve body may include a position structure. The sensor may be configured to sense the position structure to determine whether the valve body is in the first position, the second position, or the third position.

This utility model relates to a heat exchanger, specifically, to an easy-to-clean, anti-clogging marine heat exchanger. It includes a heat exchanger housing, with two inlet pipes fixedly installed on the outer wall of the housing. A filter assembly is located at the other end of each inlet pipe. The filter assembly includes a housing, with a drain pipe fixedly installed on one side of the housing. The other end of the drain pipe is fixedly connected to the inlet pipes via a flange. A stopcock is threaded to the bottom of the housing. With this utility model, the operator can quickly unlock and open the cover by holding and rotating the wing nut with one hand. The return spring then automatically rebounds, pushing the top block upwards to lift the filter basket, breaking the static friction between the retaining ring and the positioning ring. This causes the filter basket to rise and disengage from its original clamping position, allowing personnel to easily remove it for washing and maintenance via the handle. This enables rapid disassembly and cleaning of the filter basket, improving maintenance efficiency and ensuring the long-term anti-clogging performance of the heat exchanger.

The small plug valve comprises a valve body, the valve body is provided with an air inlet end, a valve cavity and an electromagnetic valve cavity, the small plug valve is characterized in that the valve body is further provided with a single air outlet end, the air inlet end is communicated with the valve cavity, the valve cavity is communicated with the electromagnetic valve cavity, and the electromagnetic valve cavity is communicated with the single air outlet end. The small plug valve is suitable for the use requirement for small fire power, is small in overall submission and light in weight, is provided with a single gas outlet end, and can form single-ring fire to be used after being assembled on a stove.