42results about "Multiple way valves" patented technology

The invention discloses a positive-and-negative pressure driving device for a mounting tool of a cold shrinking cable sealing cap. The positive-and-negative pressure driving device consists of an engine body, a hydraulic pump component, a negative-pressure output component and an adjustable pressure-limiting valve, wherein a pedal is mounted outside the engine body; the hydraulic pump component consists of a piston pump and an oil tank, and the piston pump is driven by the pedal; the negative-pressure output component comprises a hydraulic negative-pressure cylinder, the input end of the hydraulic negative-pressure cylinder is connected with the piston pump and also connected with the oil tank through a valve I, the output end of the hydraulic negative-pressure cylinder is connected with a negative-pressure output joint and also connected with a gas inlet through a valve III, and the hydraulic negative-pressure cylinder is driven by hydraulic oil to output negative pressure; the input end of the adjustable pressure-limiting valve is connected with the piston pump, the output end of the adjustable pressure-limiting valve is connected with a hydraulic oil output joint and also connected with the oil tank through a valve II, and the adjustable pressure-limiting valve is used for ensuring that the piston pump preferably provides hydraulic oil for the hydraulic negative-pressure cylinder. The structure of the positive-and-negative pressure driving device is simplified, and the total equipment cost and the failure rate are lowered; the positive-and-negative pressure driving device finishes the operation mainly by foot stepping, the mounting efficiency of the cold shrinking cable sealing cap is improved, and the positive-and-negative pressure driving device is compact in structure, convenient to carry and flexible in use.

The invention relates to a novel anti-eccentric wear hydraulic oil extraction device which comprises surface power equipment and underground produced liquid equipment. The surface power equipment comprises a power liquid storage tank, a plunger pump, an energy accumulator and a reversing valve; the underground produced liquid equipment comprises a power liquid pipeline, a power pump and a produced liquid oil tube, the lower portion of the power liquid pipeline is connected with a power pump piston, the lower portion of the produced liquid oil tube is connected with an oil extraction pump pump-cylinder, the oil extraction pump pump-cylinder is internally provided with an oil extraction pump plunger which is internally provided with a traveling valve, the lower portion of the oil extraction pump pump-cylinder is connected with an underground oil tube, a standing valve is arranged on the position where the underground oil tube and the oil extraction pump pump-cylinder are connected, and a produced liquid storage cavity is formed between the oil extraction pump plunger and the standing valve; a power pump cylinder barrel is connected with the oil extraction pump plunger through a weighing rod in an up and down mode; a produced liquid outlet is formed in the upper end of the produced liquid oil tube. Power liquid and produced fluid are isolated all the time, and huge equipment on the ground is removed; the reversing valve is arranged on the ground, the underground structure is simple and reliable, and operation is convenient; meanwhile, the problem that the service life of underground equipment is short is solved.

A flow path control electromagnetic valve belongs to a liquid control element. The prior art has the defects like complex structure, large occupied space, high manufacturing cost and a cross flow that possibly occurs between two water sources, etc. The flow path control electromagnetic valve of the invention is provided with two inlets and an outlet communicated with the valve cavity of a valve body part. The invention is characterized in that two check valve openings are arranged in the valve cavity; check valve plugs are arranged on the two check valve openings. One valve of the invention is provided with two inlets and one outlet, so as to have the advantages of simple structure, small volume, convenient and reliable use and operation; besides, a reverse impact or cross flow with another flow path can not occur when any flow path is accessed.

The invention provides a through-wall antifreezing valve, which belongs to the technical field of machinery. The invention solves the current problem that since the water in the tap water pipe cannot be completely drained, the water can be easily frozen under low temperature. The through-wall antifreezing valve is mounted on a wall, and comprises a valve body with a water inlet and a water outlet, a handwheel and a valve rod, the valve rod is mounted in the valve body, the outer end of the valve rod runs through the valve body and is fixedly connected with the handwheel, the valve rod is a hollow tube, the outer end of the valve rod is provided with a drain hole which communicates with the cavity of the valve rod, a check valve is mounted between the valve rod and the water inlet of the valve body, and a back siphonage valve is mounted close to the water outlet in the valve body. The through-wall antifreezing valve has the advantages of simple structure and good antifreezing effect, and is convenient to use.

The invention relates to the technical field of oil way distributors, in particular to a rotary oil way distributor. The rotary oil way distributor comprises a shell, a joint body and a joint shaft, wherein a plurality of oil inlets are formed in the joint body, and the joint body is fixedly connected with the joint shaft; the shell is columnar, a blind hole is formed in the shell in the axis direction, the joint shaft is arranged in the blind hole, and the joint shaft is in rotating fit with the blind hole; a plurality of oil outlets are formed in the end, away from the joint body, of the shell, and the oil outlets are used for supplying oil to rotating parts; a sealing cavity is formed between the blind hole and the joint shaft, and the oil inlets and the oil outlets communicate with thesealing cavity; the shell is located in a driving device; and the driving device can drive the shell to rotate around the joint shaft. The rotary oil way distributor is small in size and small in occupied space.

The invention discloses a small-sized intelligent water faucet, which comprises a water faucet body, wherein the water faucet body is provided with a water inlet end, a water outlet end and a channel for connecting the water inlet end with the water outlet end; a cold/hot water inlet hole, a water mixing valve core connected with the cold/hot water inlet hole, a valve core, a small-sized hydroelectric generator and a water outlet hole are arranged in the water faucet body sequentially; the water mixing valve core and the valve core are driven by a motor respectively; the water faucet body is integrally formed by arranging and connecting a plurality of pipe bodies; the water inlet end and the water outlet end are arranged on the end parts of the pipe bodies on the two sides respectively; the motors are provided with a motor drive integrated circuit (IC) respectively; the motor drive ICs are connected with an auxiliary singlechip; the auxiliary singlechip is connected with a main singlechip and a plurality of voltage samplers respectively; and the motors, the motor drive ICs and the voltage samplers are connected with one another to form a return circuit.

The invention discloses a switching valve which comprises a valve body, a valve core, a driving device and a main pipe. A plurality of branch pipes which are communicated and sequentially arranged on one side of the outer wall of the valve body are communicated with the tail end of the main pipe. A plurality of output pipes are communicated with the other side of the outer wall of the valve body. Through holes for communicating the corresponding branch pipes with the output pipes are formed in the valve core. When the valve core slides to the set position inside the valve body, one branch pipe on one side of the outer wall of the valve body is communicated with the corresponding output pipe on the other side of the outer wall of the valve body through the corresponding through hole; the number of the output pipes of the switching valve is adjustable, no large turning angle exists in the switching process, the switching resistance and impact on the valve core are small, and therefore the switching valve can achieve on-off switching of the pipes in a long-term and efficient mode. The invention further discloses a pipe conveying device comprising the switching valve.

The invention discloses a switch assembly for a synthetic fluid fuel cooker, which comprises a knob and a valve body. The switch assembly for the synthetic fluid fuel cooker has the key points that a preheating valve core cavity, a fuel gas valve core cavity and a fuel valve core cavity which are not communicated with one another are arranged inside the valve body side by side; the preheating valve core cavity is communicated with a preheating inlet and a preheating outlet, and a preheating valve core is arranged inside the preheating valve core cavity; the fuel gas valve core cavity is communicated with a fuel gas inlet and a fuel gas outlet, and a fuel gas valve core is arranged inside the fuel gas valve core cavity; the fuel valve core cavity is communicated with a fuel inlet and a fuel outlet, and a fuel valve core is arranged inside the fuel valve core cavity; a seal ring, a spring and a preheating valve core cap are arranged on the upper part of the preheating valve core; a seal ring, a spring and a fuel valve core cap are arranged on the upper part of the fuel valve core; a fuel pressure plate is fixed on the fuel gas valve core which is movably connected with preheating materials, an ignition pressure plate and the knob; and the middle of the fuel gas valve core is provided with external threads which are matched with internal threads in the fuel gas valve core cavity. The switch assembly for the synthetic fluid fuel cooker has a skillful and flexible structure, integrates preheating, feeding, ignition and gas supply, successfully realizes one-valve control of the synthetic fluid fuel cooker, is safe and reliable, and has low production cost and high promotion value.

The invention relates to a heating power expansion valve, which belongs to the technical field of the throttling of a vapor compression type refrigeration system. The invention is applicable to various heating power expansion valves in one-way work and two-way work. A steel ball (5-2) is arranged between a sealing ring seat (5-1) and a regulation screw post (5-4), the invention can ensure that a balance spring (3) and a valve core (2) can not rotate in the assembly and debugging process, i.e. the invention can ensure that the center of the valve core (2) and the center of a valve hole (1-1) can not be deviated, and the regulation performance of the heating power expansion valve is improved.

A hydraulic system is provided, the hydraulic system including a hydraulic load defining a first chamber and a second chamber. Additionally, the hydraulic system includes a pressure source, a fluid storage vessel, a load sense line, and a spool valve. The spool valve fluidly connects the fluid storage vessel to one of the first or second chambers and fluidly connects the pressure source to the other of the first or second chambers. A bypass line is also provided defining a flow path between the hydraulic load and the fluid storage vessel that bypasses the spool valve. Fluid flow may encounter less resistance through the bypass line, such that the hydraulic system may run more efficiently and with a reduced risk for cavitation in the hydraulic load.

The invention provides a lifting and reversing four-way valve of an optimized structure and relates to a switching component for an automobile air conditioner heat pump system. The lifting and reversing four-way valve comprises a screw rod driven by the outside to rotate, a plate cover, a four-way valve core, a spring, a sealing ring and a four-way valve body. Two rotating blades for driving the valve core to rotate are arranged at the bottom of the screw rod. The four-way valve core comprises two driven bosses, two limiting blocks and a flow passageway through which fluid passes, wherein thedriven bosses are used to cooperate with the rotating blades of the screw rod to rotate the valve core. The four-way valve body is provided with two limiting bosses matched with the limiting blocks for limiting the valve core and four inlets and outlets matched with the flow passageway on the valve core to form a channel through which the fluid passes. The plate cover is fixed on the valve body and concentric with the screw rod, an open hole is formed in the bottom of the screw rod, and the screw rod can be matched with a shaft of the valve core. According to the lifting and reversing four-wayvalve of the optimized structure, the structural strength of the parts is improved after the structure is optimized, the limiting guiding design of the parts is increased, and the operation reliability of the valve member is improved.

The invention provides a liquid mixing faucet. The faucet comprises a shell, wherein a liquid mixing branch pipe is arranged in the shell, a liquid inlet side pipe is arranged on one side of the liquid mixing branch pipe; the liquid inlet side pipe is buried in a faucet mounting table and is exposed below the faucet mounting table; a liquid soap bottle is fixedly connected below the faucet mounting table through a screw joint, a part of the liquid inlet side pipe is immersed in the liquid soap bottle; a liquid mixing chamber is further arranged above the liquid mixing branch pipe, and a liquidmixing rotating wheel is arranged in the liquid mixing chamber. According to the faucet, the liquid mixing branch pipe is selected, water flows from the liquid mixing branch pipe to generate negativepressure on the liquid inlet side pipe orifice, so that liquid soap can be drawn out from the liquid soap bottle through the liquid inlet side pipe, enters into the liquid mixing chamber to be diluted and mixed along with the liquid inlet side pipe, and finally flows out of the faucet; the concentration of the liquid soap in the mixed liquid is low, so that the damage to the skin can be reduced,in addition, the faucet can also select a normal water inlet pipe to enter the water for cleaning, so that the faucet is very convenient to use, the trouble of breeding bacteria is avoided by the liquid soap bottle, and a closed system is formed by the faucet, so that breeding of flying insects is avoided.

The invention relates to a switching assembly of an automobile air conditioner heat pump system, in particular to a four-way valve adopting lifting reversing. The four-way valve comprises a screw roddriven to rotate by the exterior, a four-way valve core, a spring and a four-way valve body; the bottom of the screw rod is provided with four rotating blades for driving the valve core to rotate; thefour-way valve core comprises four driven bosses for being matched with the rotating blades of the screw rod to make the valve core rotate, two limiting blocks and a flow channel for allowing fluid to pass through; and the four-way valve body is provided with two limiting bosses being matched with the limiting blocks to be used for conducting limiting on the valve core, and four in-out ports being matched with the flow channel in the valve core to form a channel for allowing the fluid to pass through.

A valve mounting system includes an upper plate including an upper inlet, an upper outlet, and an upper exhaust. A lower plate includes a lower inlet, a lower outlet, and a lower exhaust that are aligned with the upper inlet, the upper outlet, and the upper exhaust, respectively to define an inlet, an outlet and an exhaust, respectively. A spoon moves about an axis to control a flow of fluid through an opening. The opening is one of the inlet, the outlet and the exhaust.

The invention discloses an automatic non-gooseneck water draining type faucet with a handle. The automatic non-gooseneck water draining type faucet comprises a valve and the handle which is of a hollow structure. The valve comprises a shell, a connecting rod, a valve element and a water inlet table top, the connecting rod is of a hollow structure, a cavity of the connecting rod is communicated with a cavity of the handle, one end, hinged to the valve element, of the connecting rod is provided with a chuck, one face, hinged to the connecting rod, of the valve element is provided with a clamping groove, the other face of the valve element is provided with a water groove, the face, adjacent to the valve element, of the water inlet table top is provided with a cold water outlet and a hot water outlet respectively, and the other face of the water inlet table top is provided with a cold water inlet and a hot water inlet which are communicated with the cold water outlet and the hot water outlet respectively. Water is drained directly through the valve element and the connecting rod via the handle, and the handle replaces the function of a gooseneck. One second of materials can be saved, the structure is simple and exquisite, water path circulation is reduced, the fault rate is low, the using operation is convenient, and the flexibility is high.

The invention provides a special gas distributing valve for an oxygen generator and a distributing method. The special gas distributing valve for the oxygen generator comprises a motor, a valve element and a valve bush, wherein the valve element is a circular truncated cone; the valve bush is a hollow circular truncated cone; the motor drives the valve element to rotate; the valve element is inlaid in the valve bush in a sealed manner; a gas inlet groove, a first waste gas groove and a second waste gas groove are formed in the valve element and are annular grooves; a first gas inlet groove, a second gas inlet groove, a first waste gas transition groove and a second waste gas transition groove which are arc-shaped are further formed in the valve element; and a gas inlet opening, a first waste gas opening, a second waste gas opening, a first gas inlet and outlet opening and a second gas inlet and outlet opening which respectively correspond to the gas inlet groove, the first waste gas groove, the second waste gas groove, the first gas inlet groove and the second gas inlet groove are formed in the valve bush. The special gas distributing valve for the oxygen generator is simple and compact in structure and reliable in operation; oxygen generation efficiency of the oxygen generator can be improved; and continuous oxygen generation of the oxygen generator is ensured.

The invention discloses a tee joint connector which is used for injecting fluid into an air conditioning unit. The tee joint connector comprises a first maintaining valve, a second maintaining valve and a ball valve which are welded together, a first loudspeaker-shaped thread connector and a second loudspeaker-shaped thread connector. Inner channels of the valves are communicated with each other. A first connecting opening of the first maintaining valve, a first connecting opening of the ball valve and a first connecting opening of the second maintaining valve are welded together. The first loudspeaker-shaped thread connector is communicated with a second connecting opening of the ball valve through a middle pipe fitting. The second loudspeaker-shaped thread connector is communicated with a second connecting opening of the first maintaining valve through a middle pipe fitting. In the tee joint connector, the first loudspeaker-shaped thread connector and the second loudspeaker-shaped thread connector are connected with the ball valve and the first maintaining valve through the middle pipe fittings respectively instead of welding, common loudspeaker-shaped thread connectors can be directly selected in the market to be used as the first loudspeaker-shaped thread connector and the second loudspeaker-shaped thread connector, accordingly, machining nuts are avoided, the thread connectors are matched with a steel bottle and an injection opening of the air conditioning unit, and correspondingly, time and labor are saved.

The invention provides a reversing valve. The reversing valve comprises a body, a first connecting tube, a second connecting tube, a third connecting tube, a fourth connecting tube, a fifth connecting tube, a sixth connecting tube, a first sliding block, a second sliding block, a first partition, a second partition and a control piece. According to the reversing valve, the six connecting tubes can communicate with one another in two modes; in the first mode, each two connecting tubes are arranged into a group, and the three groups of connecting tubes communicate with one another; in the second mode, each three connecting tubes are arranged into a group, and the two groups of connecting tubes communicate with each other; and the two communication modes of the six connecting tubes are switched over. Compared with a scheme of using two four-way valves in the prior art, the scheme of using the reversing valve has the same effect. But for an air conditioner system, after the reversing valve replaces the two four-way valves, pipelines are simple, design of the pipelines is facilitated, space is released, installability of a compressor can be ensured, further design optimization is facilitated, costs for the valve and the pipelines are reduced, and the reversing valve is particularly suitable for an air conditioner system comprising an double-air-suction compressor.

The invention discloses an air supply device, which comprises a distribution cavity and control parts, wherein the distribution cavity is a sealed cavity body which is surrounded by a box body and a cover board; the distribution cavity is connected with an air inlet and a plurality of air outlets; the number of the control parts is equal to that of the air outlets; the control parts correspond to the air outlets one by one and are used for controlling the circulating state of each of the air outlets; the shape of the distribution cavity is in central symmetry; the air outlets are symmetrically arranged relatively to the air inlet; an electric heating block is also embedded into the box body; hot water runners are also distributed in the box body. According to the air supply device, equal-flow exhaust of the air outlets is conveniently achieved, so that balanced power output of various cylinders is achieved; meanwhile, good fuel output can be provided by the air supply device within a short period of time; the vehicle warming up time is favorably shortened.

The invention provides a constant-temperature valve core with stainless steel sliding sleeves and belongs to the field of bathroom devices. The constant-temperature valve core comprises a valve body,a thermosensitive element and a reset spring, the valve body comprises a handle seat, the valve core outer sleeve and a valve base from top to bottom, and the two ends of the valve core outer sleeve are fixedly connected with the handle seat and the valve core base. The peripheral wall of the valve core outer sleeve is provided with a cold water inlet and a hot water inlet, a mixed water outlet isformed in the bottom of the valve core base, and the sliding inner sleeve is further arranged in the valve core outer sleeve. The valve core outer sleeve and the sliding inner sleeve are each in a column-ring shape, the sliding inner sleeve is mounted in the valve core outer sleeve, moves in the axial direction and makes tight contact with the inner wall of the valve core outer sleeve. The valvecore outer sleeve and the sliding inner sleeve are both made of stainless steel materials. According to a sliding assembly of the constant-temperature valve core, only the valve core outer sleeve andthe sliding inner sleeve are arranged, and a commonly-used three-piece structure is not adopted, so that the constant-temperature valve core is simple in structure and more convenient to mount; and meanwhile the characteristics that stainless steel is easy to machine and not prone to being broken into pieces are utilized, the rate of finished products is increased, and the product cost is reduced.

A flow controller applicable for controlling multi-directional flow of a fluid, comprising a first flow control component (10 and 10A-H) a second flow control component (20 and 20A-H), and a housing (30 and 30A-H). The second flow control component (20 and 20A-H) is suitable to be arranged at the first flow control component (10 and 10A-H) and be accommodated within a first accommodation chamber (310 and 310A-H) formed by the housing (30 and 30A-H). A user can rotate the second flow control component (20 and 20A-H) to allow channels arranged at the first flow control component (10 and 10A-H) to connect selectively to channels of the second flow control component (20 and 20A-H), thus controlling the flow of different water flows. The flow controller has the advantages of a simple structure, reduced manufacturing costs, convenient use, and reliable performance.