190 results about "Ballcock" patented technology

The boiler softened water tank comprises a softened water tank body and a support, the bottom of the softened water tank body is fixedly connected with the support, the left side of the softened water tank body is fixedly connected with a liquid level sight glass, the surface of an emptying pipe is fixedly connected with an emptying valve, the bottom of the right side of the softened water tank body is communicated with a boiler pipe, and the bottom of the boiler pipe is communicated with a vacuum suppressor. The utility model relates to the technical field of boiler softened water tanks, a small liquid level control tank is installed outside the tank, a vacuum suppressor is installed at the top of the liquid level control tank and used for exhausting air when water enters, a floating ball valve is installed in the tank and connected with the softened water tank through a U-shaped bend, and the soft water tank is connected with the vacuum suppressor. The normal temperature is kept, the service life of the sealing piece is prolonged, the sealing piece can be maintained in time without shutdown when damaged and is not influenced by use and hot water in the tank, and the problem that the sealing piece of the floating ball valve is used at high temperature for a long time and is easy to age to cause water leakage is solved.

The utility model discloses a gas and liquid separation device for refrigeration equipment, which comprises a tank body, a liquid inlet pipe is arranged on the side surface of the tank body, a gas outlet pipe is arranged at the top end of the tank body, the gas outlet pipe is communicated with a spiral pipe, and one end, far away from the gas outlet pipe, of the spiral pipe is positioned right above the liquid inlet pipe; the liquid outlet pipe is arranged at the lower right corner of the tank body, a floating ball valve body is arranged in the liquid outlet pipe, and the floating ball valve body is rotationally connected with a connecting rod; an oil valve is arranged in the oil outlet pipe, one end of the oil outlet pipe is communicated with an oil collecting groove, and an inclined plate is arranged on the side surface of the oil collecting groove. Through the components, the inlet of the spiral pipe is formed over the liquid inlet, the liquid outlet is formed in the lower right corner of the tank body, the rotatable connecting rod is arranged, and the inclined plate is arranged on the side surface of the oil collecting groove, so that the device can be vertically installed and is also suitable for transverse installation with the liquid inlet pipe facing upwards, flowing of internal refrigerants, gas, liquid and oil is not affected, and the service life of the device is prolonged. And the universality and compatibility of the device are improved.

The invention relates to the field of valves, in particular to an adjustable floating ball valve which comprises a valve body, a plastic core, a transmission mechanism and an adjusting assembly, a drainage runner is formed in the surface of the valve body, the outer ring wall of the plastic core is connected to the inner wall of the drainage runner, the transmission mechanism comprises a rotating assembly, a closing assembly and a limiting block, and the closing assembly is slidably connected to the inner wall of the drainage runner. The rotating assembly is rotationally connected to the surface of the valve body, the adjusting assembly comprises an adjusting connecting rod and a floating ball, one end of the adjusting rotating connecting rod is rotationally connected to the driving end of the rotating assembly, the other end of the adjusting connecting rod is connected to the floating ball, and the floating ball ascends and descends to drive the rotating assembly to rotate on the surface of the valve body through the adjusting connecting rod. Through the arrangement of the adjusting connecting rod and the floating ball, the floating ball is driven to rotate on the adjusting connecting rod to reach the water storage level height, the water storage level in the container can be freely adjusted by a user, and therefore the convenience of using the floating ball valve by the user is improved.

The invention discloses an integrated self-adaptive damping deep hypothermia two-stage gas-liquid separation device which is characterized by comprising a first-stage pre-separation chamber, a second-stage pre-separation chamber, a third-stage pre-separation chamber and a second-stage pre-separation chamber, the secondary fine separation chamber is used for performing gravity fine separation on the pre-separated gas; the floating ball valve is arranged at a gas outlet in the secondary fine separation chamber and is used for opening or closing the gas outlet according to the liquid level height in the separation chamber; the self-adaptive damping mechanism comprises a permanent magnet which is fixed on a mechanical transmission connecting rod of the ball float valve; and the damping piece is fixed on the inner wall of the secondary fine separation chamber and is used for applying damping force opposite to the moving direction of the permanent magnet to the permanent magnet. Damping force generated by a non-mechanical contact type damping mechanism is utilized, the influence of the deep hypothermia dynamic working condition on the working stability of the floating ball type liquid level control device is greatly reduced, meanwhile, the problem that a damping device loses efficacy in the deep hypothermia environment is effectively solved, and the safety and economical efficiency of a deep hypothermia system are remarkably improved.

1. The name of the design product: float valve (2). 2. The use of the design product: valve switch for controlling water level. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model belongs to the technical field of automatic water cutting systems of storage tanks, in particular to an intelligent water cutting system of a liquefied hydrocarbon spherical tank, which comprises a spherical tank, a tank root valve, a desilting pipe and a water cutting tank, an inlet valve is arranged on a connecting pipeline of the desilting pipe and the water cutting tank, and a water cutting pipeline is arranged at a water outlet at the bottom of the water cutting tank. A floating ball valve device is arranged at a water outlet in the bottom of the water cutting tank, a water cutting valve is mounted on the water cutting pipeline, a level gauge extending into the water cutting tank is arranged at the top of the water cutting tank, a pressure balance pipeline is arranged between an opening in the side wall of the water cutting tank and the water cutting pipeline, and a balance valve is mounted on the pressure balance pipeline; the water draining device further comprises a water draining controller and a plurality of externally-attached liquid level switches installed on the outer side wall of the water draining tank. According to the intelligent water cutting system, the interface level meter is calibrated in real time through the externally-attached liquid level switch, water in the water cutting tank can be drained safely, conveniently and rapidly, the situation that the floating ball blocks the water outlet under high pressure is avoided, the situation that normal water cutting work is affected due to failure or damage of the interface level meter is avoided, the water drainage efficiency is high, and the water drainage effect is good.

The invention relates to the technical field of valves, in particular to a floating ball valve. The floating ball valve comprises a valve body, a valve element assembly and a driving assembly, the valve body is provided with a first on-off opening, a first flow channel and a second flow channel, and the first on-off opening communicates with the first flow channel and the second flow channel; the valve element assembly is movably arranged in the valve body and selectively abuts against the first on-off opening so that the first flow channel and the second flow channel can be communicated or separated. The driving assembly comprises a lever structure, a floating ball and a sinking ball, one end of the lever structure is connected with the valve element assembly, the other end of the lever structure is connected with the floating ball, and the other end of the lever structure is connected with the sinking ball through a flexible part; wherein the weight of the floating ball is smaller than that of the sinking ball, and the density of the floating ball is smaller than that of water. The technical problem that a floating ball valve is frequently opened and closed is solved, and the purposes that the floating ball valve is controllable in opening and closing and the liquid level can be adjusted are achieved.

The invention discloses a water tank water feeding and discharging anti-blocking device which comprises a domestic water tank and an industrial water tank, water inlet valves are fixedly arranged at the top end of the domestic water tank and the top end of the industrial water tank correspondingly, and the bottom ends of the two water inlet valves fixedly communicate with guide pipes correspondingly. According to the device, the floating ball valves are arranged at the water inlet ends in the domestic water tank and the industrial water tank, so that water feeding is stopped when the water level in the water tanks reaches a certain height, the situation that water leaks out of a pipeline after the water tanks are full of water, and consequently water resource waste is caused is avoided, and the effect of saving water resources can be achieved; according to the technical scheme, one original water outlet nozzle is changed into two water outlet nozzles, water in the domestic water pipe communicated with one water outlet nozzle is used as domestic water, the water in the domestic water tank is conveniently guided into the industrial water tank through the backflow pipe communicated with the other water outlet nozzle, and then the water inlet efficiency of the industrial water tank is improved.

The utility model discloses an energy -saving sintering machine waste heat recovery device relates to sintering machine technical field, including water tank, the top fixedly connected with float ball valve and liquid level detection mechanism of water tank, and water tank bottom and one side are fixedly connected with water delivery pipe and the communicating pipe respectively, and the one end fixedly connected with recovery subassembly of communicating pipe, and recovery subassembly is surrounded and is provided with the outer thermal -insulated cover, and recovery subassembly includes recovery main part and the smoke pipe main body of its matched setting, and the inboard fixedly connected with the fairwater of recovery main part. Through the heat conducting layer of concentration department reaches the effect of the concentration and heat conduction to the flue gas in recovery main part, through the effect of the convenient recovery main part along its outward flow through the flow guide port, through the effect of the concentration flue gas heat in the water pipe main body outside position through the heat collection cover, through the effect of the storage water source in the water tank through the water pipe main body, the communicating seat and the water injection pipe.

The utility model relates to the technical field of floating ball valves, and discloses a low-pressure pipeline water outlet floating ball valve control device which comprises a valve body, the top of the valve body is fixedly connected with a cylindrical shell, the outer wall of the cylindrical shell is fixedly connected with an external water pipe, the external water pipe is communicated with the cylindrical shell, the top of the cylindrical shell is movably connected with a cover plate, and the outer wall of the cylindrical shell is communicated with the cover plate. The top of the cover plate is fixedly connected with a second threaded ring. According to the low-pressure pipeline water outlet floating ball valve control device, through cooperative use of a ball body, a sliding rod, a gear, a half-toothed plate and a sliding groove, when the sliding rod drives the ball body to ascend, the half-toothed plate can be driven to descend through the gear, so that the half-toothed plate blocks a first circular groove in the right side of the valve body; at the moment, water flow can enter the cylindrical shell through a second circular groove and a connecting ring, the water flow can continuously flow to a place needing water supply through an external water pipe, at the moment, the connecting pipe can be directly replaced, and therefore the effect that the connecting pipe can be directly replaced without closing a water source is achieved.

The utility model provides a mechanical seal circulating cooling device, and belongs to the technical field of mechanical seal protection. Comprising a base frame, a water tank is fixedly arranged in the middle of the base frame, a water inlet pipe is connected to one side of the upper portion of the water tank, a floating ball valve is installed at the tail end of the water inlet pipe, a circulating cooling mechanism is installed on one side of the base frame and the water tank, a cleaning mechanism is installed in the water tank, and a dustproof mechanism is installed above the water tank. A blow-down valve is mounted in the middle of the bottom end of the water tank. The circulating cooling mechanism is arranged, a worker opens the floating ball valve in advance, external cooling water can enter the water tank through the water inlet pipe, when the mechanical seal works, the worker starts the water pump, and the cooling water in the water tank can flow into and penetrate through the mechanical seal to cool the mechanical seal under the guidance of the first connecting pipe and the second connecting pipe. And then the cooling water is discharged to the radiating calandria along the third connecting pipe, and the cooling water absorbs the heat of the mechanical seal.

The utility model discloses a multifunctional water tank of cooling relates to water tank technical field, including box, coil evaporator, water inlet pipe, drain pipe, overflow pipe, water supplementing mouth and float ball valve, the inside of box is provided with at least one coil evaporator, and the coil evaporator has import joint and export joint, and import joint and export joint are located in the one side outer wall of box and with the inside intercommunication of coil evaporator, and the one end of box is provided with water inlet pipe, drain pipe, overflow pipe and water supplementing mouth, and water inlet pipe, drain pipe, overflow pipe and water supplementing mouth are communicated with the inside of box respectively, and the inside of box is located at water supplementing mouth and is provided with float ball valve. In the utility model, through with the integration design of coil evaporator and water tank, form coil evaporative heat exchange system, has realized efficient heat exchange, compares traditional heat exchange mode, and heat exchange efficiency improves about 30%, and the equipment adopts compact design, and the installation space is saved.

The utility model discloses a floating ball valve of a cooling tower, which comprises a valve body, a water inlet arranged on one side of the valve body, a water outlet arranged at the bottom of the valve body, a floating ball rod arranged on one side of the valve body, a floating ball fixedly connected with the tail end of the floating ball rod, and a sewage disposal device arranged inside the water outlet. The adjusting device is arranged at one end of the floating ball rod away from the floating ball. The utility model relates to the technical field of floating ball valves, and the floating ball valve of the cooling tower realizes the automatic cleaning of the inner wall of the floating ball valve while water enters through the matching of a vertical rod, a scraping plate, a fixed seat, a fixed rod and a turbine, and solves the problems that some dirt is possibly attached to the inner wall of a floating ball valve of a traditional cooling tower after long-time use, and the inner wall of the floating ball valve is not easy to clean after a large amount of dirt is accumulated. The water outlet of the floating ball valve can not discharge water according to the normal water yield, so that the water storage time is prolonged, and the cooling progress of the cooling tower is influenced.

This invention relates to the field of fire protection and water supply technology, and provides a constant pressure opening automatic air vent valve, including a main valve body, a check valve assembly, a float valve assembly, and a drip valve assembly. The main valve body is divided into upper and lower chambers. The lower chamber houses the check valve assembly, which sets the opening pressure by adjusting the preload of the adjusting spring. This allows the valve to open and vent when the pressure is higher than the set pressure, and automatically close when the pressure is lower, preventing the outflow of the medium or the reverse infiltration of external gas. The upper chamber houses the float valve assembly, which includes a float, a gas diversion plate, and a gas guide cup. The diversion plate has multiple air passages, and the guide cup has circumferentially opened bypass holes, forming a gas flow channel with the inner wall of the valve body. Some gas, after being diverted and guided, enters the gas guide cup and acts on the float, avoiding direct impact on the float and eliminating oscillation. The float rises and seals the outlet when filled with liquid. A drip valve is located at the lower position of the valve body for automatic or manual drainage of accumulated water when the pressure decreases.

This utility model belongs to the field of electric steam oven technology, and particularly relates to a variable frequency electric steam oven, including an outer shell, a variable frequency control panel installed on the front of the outer shell, support foot tubes fixedly installed around the bottom of the outer shell, adjustable feet installed at the bottom of the support foot tubes, a steam outlet connected to the top of the outer shell, and a water inlet fixing bracket fixedly installed at the bottom of the outer shell. The other end of the water inlet is connected to the inlet of the auxiliary water tank float valve, and a clamp blind plate sleeve is installed on the top of the auxiliary water tank. This variable frequency electric steam oven, through heating elements installed on the inner wall of a square body under a vertical cylindrical or elliptical cavity, concentrates the heating area around the cavity in the middle of the heating water tank, allowing the water in the heating tank to quickly absorb heat in this area and reach boiling. Simultaneously, the cylindrical or elliptical cavity provides a vertical exhaust channel for steam. Since steam is less dense than water, buoyancy allows the steam to be discharged more smoothly. Concentrated boiling and vertical exhaust accelerate phase change, improving steam generation efficiency.

The utility model provides a fire-fighting high-position water tank, which belongs to the technical field of fire-fighting high-position water tanks, and comprises a water tank body, a water inlet pipe, a floating ball valve, a drainage pipe, an electromagnetic valve, a cooling assembly and a pressure reduction assembly, the right side of the upper surface of the water tank body is provided with the water inlet pipe in a penetrating manner, and the bottom end of the water inlet pipe is provided with the floating ball valve; a drainage pipe penetrates through the lower portion of the outer side of the water tank body, an electromagnetic valve is installed below the inner side of the drainage pipe, a cooling assembly penetrates through the center of the water tank body, and a pressure reduction assembly is fixedly installed above the drainage pipe; water in the water tank can be cooled by the aid of the cooling component, water pressure at the drain pipe can be reduced by the aid of the pressure reducing component, stability of the water pressure can be guaranteed, and normal fire extinguishment is guaranteed.

Evaporative coolers and components therefor that may be used at any of a variety of mounting angles without compromising function or requiring complex and custom adjustments based on a particular mounting angle. In one embodiment, a reservoir for an evaporative cooler includes a water collection basin, a float valve assembly including a float valve housing, a float valve, a lift arm pivotably coupled to the float valve, and a float coupled to the lift arm, a pump, and a drain valve, the pump and the drain valve each being within the water collection basin.

1. Name of the product in this design: Float Valve (Top Inlet). 2. Application of this design: This design is used as a valve switch for controlling water level. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

This utility model relates to the field of float valve technology, specifically an automatic water replenishment valve driven without differential pressure. It includes a float, a level adjustment latch on one side of the float, a blind plate on one side of the level adjustment latch, a rotating block at the bottom of the blind plate, a connecting pipe I on one side of the rotating block, and a fixing block at the bottom of the connecting pipe I; a connecting pipe II on one side of the fixing block, and triangular locking blocks on both sides of the connecting pipe II. The beneficial effects are: when the connecting pipe II is inserted into the limiting groove, the triangular locking blocks are pressed back into the installation groove I, and the installation is completed when the triangular locking blocks are locked into the limiting groove; when the squeezing block presses the triangular locking blocks into the installation groove I, and then pulls them outwards to complete disassembly; when the liquid level drops, the float drops, and the rotating block at the bottom of the blind plate rotates on the fixing block, causing the blind plate to open, allowing the liquid to flow out through the connecting pipe I without resistance; the float floats to a predetermined height, and the blind plate completely blocks the outlet, maintaining a relatively constant liquid level in the downstream container.

The utility model provides an epoxy paint mixing kettle which is used for solving the problem that sampling cannot be carried out conveniently in the prior art. The reaction kettle comprises a kettle body, the side wall of the kettle body communicates with a plurality of communicating pipes, telescopic rods are fixed to the ends, away from the kettle body, of the communicating pipes, the telescopic rods comprise movable rods, the movable rods are arranged in the communicating pipes, sealing plates are fixed to the ends, close to the kettle body, of the movable rods, the sealing plates slide in the communicating pipes, connecting pipes are arranged on the communicating pipes, and the connecting pipes are connected with sampling pipes. The sampling pipe comprises a cylinder body, a ball float valve is arranged at the upper end of the cylinder body, a normally-closed one-way valve is arranged at the lower end of the cylinder body, and when color paste in the kettle body flows into the sampling pipe along the connecting pipe, the color paste firstly enables the normally-closed one-way valve to be opened and then enables the ball float valve to be closed. According to the paint mixing kettle disclosed by the utility model, the movement of the sealing plate is controlled through the telescopic rod, so that sampling is realized under the condition that a paint mixing kettle cover is not opened, external pollution is prevented from entering the kettle body, and meanwhile, waste of color paste in a sampling process is also reduced.

The utility model discloses a rainwater and wastewater collecting device, which belongs to the technical field of rainwater and wastewater collection and comprises a roof drainage ditch, an S-shaped bent rainwater pipe, a ground drainage ditch, a collecting tank, a check valve, a floating ball valve, a water outlet pipe and a stop valve. According to the device, rainwater waste water is collected into the collecting pool through the S-shaped bent rainwater pipe according to the siphon principle, and when the collected filtered rainwater waste water needs to be used, the rainwater waste water in the collecting pool can flow out through the water outlet pipe by opening the stop valve located on the water outlet pipe. The device is scientific in design, reasonable in structure and smooth in operation, reduces the difficulty of subsequent maintenance and inspection work, saves manpower and time, and enables collection to be more convenient.

The utility model belongs to the technical field of exhaust valves, and particularly relates to a graded supercharged exhaust valve which comprises a valve body shell, a sealing seat is fixedly mounted on the upper surface of the valve body shell, a discharge cylinder penetrates through the upper surface of the sealing seat and is fixedly connected with the upper surface of the sealing seat, a flange joint is arranged at the bottom end of the valve body shell, and a movable rod is movably mounted in the sealing seat. A floating ball is fixedly installed at the end of the movable rod, a push rod matched with the floating ball is arranged in the valve body shell, and an adjusting mechanism is arranged in the valve body shell. By arranging the adjusting mechanism, the exhaust valve can achieve pressure adjustment of different levels according to system requirements, high flexibility is achieved, when more liquid is needed to push the floating ball to trigger exhaust, the grading pressurization effect can be achieved only by simply rotating the screw, the exhaust valve can adapt to various complex and changeable fluid control systems, and the exhaust valve is suitable for various fluid control systems. The opening pressure of the exhaust valve is accurately controlled by adjusting the position of the movable seat, so that the specific requirements of the system are met.

A purification mechanism for a vacuum system in an extruder includes a housing, a water supply tank, a water storage tank, and a connecting pipe. The housing contains a water seal layer. The top of the housing has an inlet pipe for connecting to the extruder's exhaust gas source and an exhaust pipe for connecting to the vacuum system. The downstream end of the inlet pipe extends downwards into the water seal layer. An overflow port, adapted to the height of the water seal layer, is located on the side wall of the housing. A filter frame is installed on the top of the water storage tank, below the overflow port. The water supply tank is located above the housing and connected to it via a float valve, the float of which floats on the water seal layer. The upstream end of the connecting pipe is connected to the bottom of the water storage tank, and the downstream end supplies water to the water supply tank. A water pump is installed on the connecting pipe. This invention has a simple structure, low operating cost, and can meet the need for removing impurities from extruder exhaust gas for extended periods.

The invention belongs to the technical field of check valves, and particularly relates to a floating ball type check valve which comprises a valve body, a mounting seat, a floating ball shell and a hollow floating ball, the floating ball shell is rotationally assembled through a spherical seat on the mounting seat, and a ball is arranged between the spherical seat and a ball head of the floating ball shell, so that the floating ball shell can be automatically adjusted to be vertical when the valve body is inclined; a through hole communicated with the inlet, a spherical cavity for containing the floating ball and a through groove communicated with the outlet are formed in the floating ball shell, a branch flow channel extending to the sealing face of the valve seat is formed in the inner wall of the through hole, the branch flow channel can assist in pushing the floating ball to be opened during forward flowing, and a multi-stage staggered hole type throttling disc is arranged on the inner side of the outlet end. The problems that a traditional floating ball valve is not tight in sealing, difficult to open at low pressure and prone to being impacted by a water hammer in an inclined installation environment are solved, and the novel floating ball valve has the advantages of being reliable in sealing, sensitive in response, capable of adapting to a complex installation environment and the like.

The utility model relates to test equipment technical field, concretely relates to a kind of corrosion-resistant long-term constant-temperature heating water bath box. Including preheating water tank and water bath box, preheating water tank is connected with at least two water bath boxes by pipeline;The inside of preheating water tank and water bath box is provided with heating pipe, and the heating pipe is electrically connected with heater;The inner wall of preheating water tank and water bath box is equipped with anticorrosive layer, and the outer wall is equipped with insulating layer;Preheating water tank top is provided with sealing cover, and preheating water tank upper portion is communicated with water inlet pipe, and water inlet pipe one end is inserted into preheating water tank and is connected with float ball valve;The inside of water bath box is fixedly provided with test piece support plate, and water bath box outside is provided with support frame, and the liquid level sensor and temperature sensor located in the inside of water bath box are fixedly provided on the support frame. The utility model can effectively improve its corrosion resistance by increasing corrosion-resistant layer;Meanwhile, the water supplied to water bath box is preheated, to avoid the water supplied to destroy the high-temperature water environment in water bath box.

The invention is suitable for the technical field of auxiliary equipment maintenance of a hydrogen-cooled generator set, and provides a method, a device and equipment for verifying the function of a floating ball valve and a storage medium, and the method comprises the following steps: on the premise that a generator set is in a non-power-generation operation state and preset hydrogen pressure is maintained in a generator, executing verification operation on a target floater oil tank; the verification operation comprises the following steps: isolating an oil discharge pipeline and an oil inlet pipeline of the target floater oil tank; the target floater oil tank is filled with oil to an initial liquid level higher than a preset closing liquid level of the floating ball valve; reopening the oil discharge pipeline; the liquid level change of the target floater oil tank is obtained; and the functional state of the floating ball valve is determined based on the liquid level change. According to the scheme, preventive verification can be realized, and equipment operation hidden dangers are avoided.

The utility model relates to the field of flash drums, and discloses a flash drum with a high-precision floating ball valve for a central air conditioner, which comprises a drum body assembly, the drum body assembly comprises a tank body, a tank body flange, an end plate, a baffle plate, a support, a barrier plate, a cover plate and a liquid outlet pipe, and a liquid storage bag assembly is arranged at the upper end of the outer wall of the front end of the tank body. The liquid storage bag assembly comprises a liquid storage tank, and the outer wall of one side of the liquid storage tank is connected with a refrigerant pipe in a penetrating mode. According to the utility model, when the liquid level of a refrigerant in the tank body rises, the floating ball is driven to rise, so that the floating ball drives the rotating shaft to rotate through the floating ball rod, the rotating shaft drives the large gear to rotate, the large gear is meshed with the small gear, the small gear drives the square valve on the transmission shaft to rotate, and the square valve on the transmission shaft is driven to rotate. Therefore, the production cost of the flash drum can be effectively reduced by replacing the previous inductor and control valve with the floating ball valve assembly.

The utility model discloses a novel double-ring water seepage test device which comprises a water bucket, a first water valve, a second water valve, a water meter, a first polyvinyl chloride (PVC) water pipe, a second PVC water pipe, a first stainless steel corrugated pipe, a second stainless steel corrugated pipe, a first floating ball valve, a second floating ball valve, an inner ring, an outer ring, a first floating ball valve fixing frame and a second floating ball valve. The inner ring is provided with a first floating ball valve, the outer ring is provided with a second floating ball valve, the lower part of the water bucket is provided with a first water outlet and a second water outlet which are respectively connected with the water injection pipelines of the inner ring and the outer ring, and the Mariotte water supply device has the advantages of eliminating the influence of manual water supply on the water level in the ring when the Mariotte bottle is lack of water, and improving the precision of measuring the permeability coefficient.

The utility model discloses an automatic water draining device of a generator hydrogen dryer. The automatic water draining device comprises a floating ball barrel body, a floating ball and a floating ball valve rod assembly, the floating ball barrel body is cylindrical, the floating ball is arranged on the upper half portion in the floating ball barrel body, the floating ball is hollow, and the bottom of the floating ball is provided with internal threads and fixedly connected with the floating ball valve rod assembly. The floating ball valve rod assembly comprises a valve rod, a valve seat and a valve rod support. One end of the valve rod is connected with the floating ball, and the other end is connected with the valve rod support; a valve element is fixedly connected to the outer side of the middle of the valve rod. The valve core is hermetically connected with the valve seat; a baffle is arranged at the bottom of the floating ball barrel body and fixedly connected with the floating ball barrel body, a cavity is formed between the baffle and the barrel body base, the valve rod support is arranged in the cavity, and a round hole is formed in the center of the baffle and allows the valve rod to penetrate through. A floating ball supporting structure is changed, the floating ball floats along with the liquid level and can drive the valve rod to act, and the problem that the floating ball cannot float upwards due to corrosion of a lever support structure is solved.

The utility model relates to the technical field of security and protection cameras, in particular to a security and protection camera holder which comprises a camera holder body and a top cover, an outer hemispherical cover sleeved outside the camera holder body is fixedly mounted on the bottom surface of the top cover, a left convex block and a right convex block are fixedly mounted at the bottom of the top cover, and a semicircular rod is rotatably connected between the two convex blocks. A micro motor is coaxially arranged at the end of the rotating shaft, a scraping layer is arranged on the inner surface of the semicircular rod, a water passing ring is fixedly installed on the bottom face of the top cover, a plurality of nozzles are fixedly installed on the bottom face of the water passing ring, a water outlet pipe is fixedly installed on the side face of the water passing ring, and a reducer pipe is fixedly installed at the end of the water outlet pipe. A miniature water pump is fixedly installed at the end of the reducer pipe, a water storage barrel is fixedly installed on the bottom plate, a supplementing pipe is fixedly installed on a barrel body at the top of the water storage barrel, and a floating ball valve is fixedly installed on a pipe body at the end of the supplementing pipe. The surface of the outer hemisphere cover can be cleaned conveniently, and use is convenient.