9results about How to "Avoid reverse flow" patented technology

The invention relates to the technical field of valves, and discloses a wet dust removal system water seal check valve inner water seal anti-breakdown device which comprises a valve body, the valve body is communicated with a water supplementing pipe and a water draining pipe, an air inlet pipe is fixedly installed on the valve body and penetrates through the side wall of the valve body, and the valve body is communicated with an air outlet pipe corresponding to the air outlet end of the air inlet pipe. A first support located at the end of the air outlet pipe is fixedly installed in the valve body, a first telescopic rod is fixedly installed on the first support, and a cover used for sealing the end of the air inlet pipe is fixedly installed at the end, away from the first support, of the first telescopic rod. A partition plate is fixedly installed in the valve body, and a protective cylinder coaxial with the cover is fixedly installed on the partition plate. The liquid seal valve has the beneficial effects that after the lower cavity in the valve body is filled with purified water, the purified water cannot flow in the valve body, so that the liquid level cannot incline or generate agitation when the valve body vibrates and inclines, it is guaranteed that the cover is located below the liquid level all the time, and the stability of liquid seal is guaranteed.

The utility model discloses a lemon air pressure sprays medicine and mist drop integration device belongs to medicine and mist drop technical field, a lemon air pressure sprays medicine and mist drop integration device, including storage kettle, fixedly connected in the handle of storage kettle lateral wall and integrative in the outer thread interface of storage kettle top mouth part, the outer thread interface is detachably connected with the internal thread cover, the top end inboard fixedly connected with the cover of top opening formula structure setting of internal thread cover, the bottom end lead -through connection of cover has the plastic pipe of extending to the inboard of storage kettle, the inner chamber bottom of cover integrative has the pressure relief chamber, and the top end of pressure relief chamber is provided with the pressure relief mouth, the inboard of pressure relief chamber is installed with first return spring, the top end of first return spring is connected with the sealing ball for sealing pressure relief mouth, it does not need manual pressure, and the labor intensity of manual in the operation process is reduced.

The invention relates to the technical field of aerospace equipment, in particular to a propellant adjusting device which comprises a main shell, an adjusting part and a driving part, the main shell is provided with a working cavity, an inlet and an outlet, the inlet and the outlet are communicated with the working cavity, the inlet and the outlet are communicated through a communicating cavity, and the main shell is provided with a sliding part in the working cavity; the adjusting part comprises an adjusting head and a penetrating rod which are connected with each other, the penetrating rod penetrates through the sliding part in a sliding mode, the penetrating rod can slide relative to the sliding part and adjust the opening degree of the communicating cavity, a first movable sealing part and a second movable sealing part are arranged between the penetrating rod and the sliding part, and the first movable sealing part and the second movable sealing part are arranged in the sliding direction of the penetrating rod in a spaced mode; a discharging cavity is formed between the penetrating rod and the sliding part and located between the first movable sealing piece and the second movable sealing piece, the sliding part is provided with a discharging hole communicating with the discharging cavity, and the driving piece is used for driving the penetrating rod to slide. According to the propellant adjusting device provided by the invention, the sealing performance between the main shell and the adjusting part is further improved, and reliable supply of the propellant is ensured.

This invention discloses a high-pressure hot water thermal energy storage phase change constant-pressure system and method for compressed air energy storage power stations, belonging to the field of compressed air energy storage. It includes an atmospheric pressure cold water storage tank, at least one high-pressure hot water storage tank, an energy storage heat exchanger, an energy release heat exchanger, a cold water circulation pump, and a constant-pressure system. A steam space is reserved at the top of the high-pressure hot water storage tank. The constant-pressure system includes a condenser and a high-pressure hot water buffer tank. The constant-pressure system maintains the pressure stability inside the high-pressure hot water storage tank by condensing steam and buffering pressure fluctuations. During energy release, the hot water is driven by the steam pressure inside the high-pressure hot water storage tank, eliminating the need for a hot water circulation pump. This invention, through cold and hot water separation, steam phase change constant-pressure design, and a pump-free design, significantly reduces the number and pressure levels of high-pressure hot water storage tanks, lowers equipment investment, and simultaneously improves thermal storage temperature and system efficiency, providing an efficient and economical solution for the large-scale application of compressed air energy storage power stations.

This utility model discloses a burr-removing device for hardware processing, relating to the field of hardware grinding technology. It includes a fixed base plate, a support frame mounted on the top of the fixed base plate, and a pneumatic telescopic rod slidably connected to the top of the support frame. The output end of a drive motor is equipped with a position adjustment mechanism for adjusting the position of the grinding component. This burr-removing device rotates the output end of the drive motor, causing a threaded rod to rotate. A movable block is threadedly connected to the outer side of the threaded rod, and a slider is connected to the bottom end of the movable block. Therefore, the slider can move the pneumatic telescopic rod and the grinding component, allowing the position of the grinding component to be flexibly adjusted according to the grinding requirements of the hardware. Simultaneously, during grinding, the position of the hardware can be finely adjusted by adjusting the position of the limiting plate through the grinding component. The hardware can move and adjust its position within the range inside the placement groove.

This invention discloses a rotary valve structure for a vacuum cleaner dust cup, comprising: an outer dust cup with multiple first cavities inside, a first connecting hole on a partition, and a first dust discharge port corresponding to the dust discharge channel of the vacuum cleaner base station; and an inner dust cup rotatably connected to the partition, with a second connecting hole and a second dust discharge port, and a linkage component on the outer side of the inner dust cup corresponding to a rotating guide groove on the vacuum cleaner base station. This invention, through the outer and inner dust cups forming a rotary valve structure, allows the inner dust cup to rotate in conjunction with the rotating guide groove during assembly of the vacuum cleaner main unit and the base station. This rotation blocks the dust collection cavities and their corresponding filter structures, preventing backflow of dust during dust cup discharge and recycling, which could contaminate the filter structure. It also allows for the separate discharge of dust, hair, and other dirt of different particle sizes trapped in each dust collection cavity, preventing blockage of the dust discharge channel and ensuring the cleanliness, convenience, and efficiency of the vacuum cleaner.

The utility model relates to the technical field of automobile valve manufacturing, in particular to a one-way valve and a two-way stop valve of an automobile thermal management system, which comprise a valve casing, a valve cavity arranged in the valve casing, a first annular limit retaining edge arranged in the valve cavity, a runner outlet arranged at one end of the valve cavity, and a runner inlet arranged at the other end of the valve cavity. The limiting cover is arranged at one end, corresponding to the flow channel outlet, of the valve cavity; a second annular limiting blocking edge is arranged on the periphery of the valve plug, the valve plug is movably arranged in the valve cavity and limited between the first annular limiting blocking edge and the limiting cover, the second annular limiting blocking edge is limited by the first annular limiting blocking edge in the process that the valve plug moves towards the flow channel inlet, and a sealing ring is hooped on the valve plug. The sealing ring abuts against the side, close to the first annular limiting blocking edge, of the second annular limiting blocking edge. The spring abuts against the valve plug and applies elastic force towards the inlet direction of the flow channel to the valve plug. Abnormal sound and damage caused by impact between the valve element and the valve body in the using process can be reduced.

The utility model discloses an activating device for producing drinking water, and belongs to the technical field of water treatment equipment. The utility model discloses an activation device for producing drinking water, which comprises an activation box, the diversion pipeline is fixedly mounted in the activation box, and two ends of the diversion pipeline penetrate through the activation box and are connected with a water inlet pipe and a water outlet pipe; the at least one group of permanent magnet array part is fixedly mounted on the flow guide pipeline and is used for forming a uniform and strong magnetic field environment, and a high-performance permanent magnet array is combined with the magnetic field enhancing part, so that water flow is subjected to strong and uniform magnetic field action when passing through, a hydrogen bond network among water molecules is effectively changed, and a water molecule cluster becomes small; and the spiral channel prolongs the retention time of the water flow in the magnetic field, enhances the interaction between water molecules and the magnetic field, and further improves the magnetization effect.

The utility model provides an intelligent mobile direct-current power supply system, which belongs to the technical field of standby power supplies and comprises a charging part and a power storage part electrically connected with the charging part, an ampere meter is mounted in the charging part, an ampere meter and a voltmeter are mounted in the power storage part, and the charging part comprises at least one charging module. The input end of the charging module is connected with an alternating current input unit, the output end of the charging module is connected with a direct current power supply line, the other end of the direct current power supply line is connected with a control bus, a bus voltmeter and a direct current monitoring module are installed on the control bus, and the power storage part comprises a storage battery which is connected with the control bus of the charging part through a connecting wire. The charging part and the power storage part are respectively integrated in the moving mechanism, and the two parts can be independently operated or quickly combined to adapt to various scenes, so that the flexibility and the reliability of the mobile direct-current power supply system are remarkably improved, and the limitation that a traditional integrated power supply cannot be used in a split manner is solved.