18results about How to "Guaranteed water flow" patented technology

A high-lift long-service-life vertical multi-stage centrifugal pump comprises a water feeding base, a water inlet connector arranged on the left side of the water feeding base and a motor arranged over the water feeding base, a main shell is arranged between the motor and the water feeding base, a rotating shaft is arranged at the lower end of a motor shaft of the motor, and a plurality of impellers evenly distributed in the axial direction are arranged on the rotating shaft. The impeller is covered with an impeller shell matched with the impeller, a water inlet hole communicated with the lowest impeller shell is formed in the upper surface of the water supply base, a water supply gap is formed between the outer wall of the impeller shell and the inner wall of the main shell, a water outlet connector communicated with the water supply gap is arranged on the right side of the water supply base, and a filter base is arranged in a port of the left end of the water inlet connector. According to the high-lift long-service-life vertical multi-stage centrifugal pump, granular impurities in water flow can be effectively filtered out, the granular impurities in the water flow cannot make contact with the impeller, the service life of the impeller is prolonged, and the situation that the filtering holes are blocked can be effectively avoided.

The utility model discloses a valve device and gas water heater, valve device includes valve body and valve core subassembly, and valve body is equipped with valve cavity and with the water inlet channel, first water outlet channel and second water outlet channel of valve cavity intercommunication, and first water outlet channel has with the first water pass -through of valve cavity intercommunication, and second water outlet channel has with the second water pass -through of valve cavity intercommunication, first water pass -through is located in the peripheral wall surface of valve cavity, valve core subassembly includes the rotation axle of rotation in the valve cavity and the first valve core and second valve core of fixedly being equipped with the rotation axle and being spaced, and first valve core is rotated with the peripheral wall surface of valve cavity and is shielded or open first water pass -through, is used for adjusting the on -off area of valve cavity and first water outlet channel, and second valve core rotates in the valve cavity to shield or open second water pass -through, is used for adjusting the on -off area of valve cavity and second water outlet channel. The utility model discloses technical scheme the utility model discloses technical scheme can reduce the fluctuation range of gas water heater water temperature, and promotes the constant temperature performance.

This invention discloses a non-powered interception and overflow device and its application. The non-powered interception and overflow device includes a ditch body, an overflow weir, a water-retaining dike, a buoyancy-based water-retaining plate system, and a hook system. The non-powered interception and overflow device of this invention can be applied to the interception of non-point source pollution from agricultural tailwater and initial rainwater, urban rainwater runoff, and energy dissipation in rivers and ditches. This invention requires minimal management and maintenance and features non-powered operation, automatic interception, low maintenance costs, and wide application range. It can intercept agricultural tailwater and urban initial rainwater and has broad application prospects.

This invention provides a self-floating, steplessly shifting water intake device and its usage method. The device includes an intake tower and, sequentially arranged from upstream to downstream, a floating gate slot, a stacked beam slot, an emergency maintenance gate slot, and an arc-shaped working gate slot within the intake tower. The floating gate slot contains a floating gate that can slide up and down along the slot with the water level. The stacked beam slot contains stacked beams. The floating gate forms a U-shaped flow surface, through which surface water flows into the downstream channel. An overhang is located at the bottom of the downstream surface of the floating gate, and the end of the overhang has a water-stopping device that contacts the stacked beams in the downstream stacked beam slot. The stacked beams consist of multiple sections; some stacked beams are placed in the stacked beam slot to block water, while others are stored in a stacked beam gate reservoir. The bridge crane is used to adjust the number of stacked beam sections in the stacked beam slot according to changes in the reservoir water level. This invention enables the intake of surface water with stepless floating gate displacement and adapts to large fluctuations in water level.

The utility model discloses a floor drain core and a floor drain. The floor drain core comprises a main body and a covering and sealing piece, the main body is provided with a flow channel extending in the first direction, the main body comprises a water outlet part and a first connecting part, the water outlet part is provided with a water outlet communicated with the flow channel, the maximum cross section of the water outlet in the direction perpendicular to the first direction comprises a straight edge and an arc-shaped edge, the arc-shaped edge is a part of an ellipse, and the first connecting part is connected with the straight edge. The first connecting part is connected to one side of the water outlet part in the second direction, the second direction is perpendicular to the first direction, and the covering and sealing piece is rotationally connected to the first connecting part. The straight edge can provide space for connection and rotation of the covering and sealing piece, the arc edge is arranged to be a part of the ellipse so that the arc line of the water outlet can be attached to a sewer pipeline as much as possible, the space utilization rate is increased, and the water outlet flow of the water outlet is effectively increased; and the outer contour of the cover sealing part is the same as the shape of the arc-shaped edge of the water outlet, so that the probability of interference with a sewer line can be effectively reduced.

The invention discloses a detergent putting device and a washing machine, the detergent putting device comprises a water inlet branch for inflow water flow to flow, and further comprises a bypass cavity arranged on the water inlet branch and communicated with the water inlet branch; and the adjusting part is rotationally arranged on the side wall between the bypass cavity and the water inlet branch in a sealing manner, and drives the adjusting part in the bypass cavity to rotate under the change action of the water pressure so as to drive the adjusting part in the water inlet branch to rotate and change the size of the water flow path of the water inlet branch. The communicated bypass cavity is formed in the water inlet branch, the adjusting piece is arranged between the bypass cavity and the water inlet branch, under the action of water pressure change, the adjusting piece automatically rotates, the water flow path of the water inlet branch is changed, water pressure can be automatically adjusted through the adjusting piece, the water pressure is kept stable, and it is avoided that when the water pressure of inlet water flow is too high, the water flow path of the water inlet branch is changed. Control devices such as a one-way valve in the water inlet branch and / or the detergent feeding water path can be broken down.

The invention discloses a valve device and a gas water heater, and relates to the technical field of water heaters. The valve device comprises a valve body and a valve element assembly, the valve body is provided with a valve cavity, a water inlet runner, a first water outlet runner and a second water outlet runner, the water inlet runner, the first water outlet runner and the second water outlet runner are communicated with the valve cavity, the first water outlet runner is provided with a first water passing opening communicated with the valve cavity, and the second water outlet runner is provided with a second water passing opening communicated with the valve cavity; the first water through hole is formed in the peripheral wall surface of the valve cavity; the valve element assembly comprises a rotating shaft rotationally arranged in the valve cavity, a first valve element and a second valve element, the first valve element and the second valve element are fixedly arranged on the rotating shaft in a spaced mode, and the first valve element is rotationally matched with the peripheral wall face of the valve cavity to shield or open the first water passing opening and used for adjusting the communication area of the valve cavity and the first water outlet runner. The second valve element rotates in the valve cavity to shield or open the second water passing opening and is used for adjusting the communication area of the valve cavity and the second water outlet flow channel. According to the technical scheme, the fluctuation amplitude of the outlet water temperature of the gas water heater can be reduced, and the constant-temperature performance is improved.

The utility model discloses a kind of washing and draining integrated pump structures of feeding bottle cleaning machine, including cup body, water inlet is equipped on it, first water outlet pipe and second water outlet pipe;Drain pump, it is communicated with the first water outlet pipe;Washing pump, it includes the water connection pipe communicated with the second water outlet pipe;Connecting hose, its two ends are respectively sleeved on the second water outlet pipe and the water connection pipe, to connect and communicate two. The utility model provides a kind of washing and draining integrated pump structures of feeding bottle cleaning machine, by utilizing connecting hose, while guaranteeing water, reduce the vibration of washing pump conduction to cup body, to reduce noise, avoid the case of resonance.

The invention belongs to the related technical field of seepage drainage structures, and particularly discloses a tailing pond fill dam seepage drainage structure which comprises a water collecting tank and a drainage channel, one end in the water collecting tank communicates with the drainage channel through a communicated water diversion pipe, and a water inlet pipe communicates with the interior of the end, away from the water diversion pipe, of the water collecting tank. A fence is arranged in the drainage channel, a mounting base is arranged on the upper end face of the fence, a supporting frame is arranged on the upper end face of the mounting base, a movable frame is connected to the inner side of the supporting frame through an arranged lifting mechanism, and a fixing rod is inserted into the lower portion of the interior of the movable frame in a penetrating mode. The outer sides of the fixing rods are jointly connected with a double-shaft motor through arranged fixing pieces, cleaning pieces are arranged at the two ends of the double-shaft motor, and soil moving pieces are arranged on the two sides of the outer portion of the fence. The device can block soil on the upstream of the drainage channel and can automatically treat the soil, and then use of the drainage channel can be ensured.

The utility model relates to an axial flow water pump for conveying cooling water of a cooling tower, the axial flow water pump comprises a shell, a stator assembly, a rotor assembly, a shaftless propeller and a stop valve, the peripheral end of the shaftless propeller is fixedly connected with the inner wall of the rotor assembly, the shell comprises a water inlet pipe, a water outlet pipe and a power cavity, and the water inlet end of the power cavity is communicated with the water inlet pipe; the water outlet end of the power cavity is communicated with the water outlet pipe, the power cavity comprises a stator assembly fixing cavity, a rotor assembly rotating cavity, a liquid pumping cavity and a stop cavity, the stator assembly is fixedly arranged in the stator assembly fixing cavity, the rotor assembly is located in the rotor assembly fixing cavity, the shaftless propeller is located in the liquid pumping cavity, and the stop valve is fixedly arranged in the stop cavity. The liquid pumping cavity is located in an inner ring of the rotor assembly rotating cavity, the water outlet end of the cut-off cavity is communicated with the water inlet end of the liquid pumping cavity, the water inlet end of the cut-off cavity is communicated with the water inlet pipe, and the water outlet end of the liquid pumping cavity is communicated with the water outlet pipe. The problems of uncleanness of cooling water and diversion backflow are solved.

The application provides a power integrated water pump, which comprises a base, an upper cover connected with the base to form a sealed mounting cavity, a water pump module arranged in the mounting cavity, a power module arranged in the mounting cavity and connected with the water pump module, and a plug module connected with the power module, wherein a wire placement area is arranged in the mounting cavity, the plug module comprises a wire comprising a connecting end and a power supply end, the connecting end is connected with the power module, and the power supply end extends outward to the outside of the base, a plug is arranged on the power supply end, and the wire is at least partially movably arranged in the wire placement area, and the connecting end moves with the power supply end. The power of the water pump is integrated by arranging the above modules in the mounting cavity. The water pump can be turned on and off by simply pulling out and plugging in the plug, so that the use is more convenient and the operation is simpler. Meanwhile, the weight and the installation space of the whole water pump are reduced, and the user can use more easily.

The invention discloses a composite filter element and a water purification system, and relates to the technical field of water treatment.The composite filter element comprises a shell with a first inlet, a first outlet and a second outlet; the functional assembly and the first filtering assembly are arranged in the shell, and the functional assembly can release functional components into flowing water; the first inlet is communicated with the water inlet side of the first filtering assembly, the first outlet is communicated with the water outlet side of the first filtering assembly, the second outlet is communicated with the outlet of the functional assembly, and the inlet of the functional assembly is communicated with the first inlet and / or the water outlet side of the first filtering assembly. According to the water purification system, the consumption of the functional assembly can be effectively reduced, and the purified water outlet flow of the water purification system can be ensured.

The utility model discloses a wall -hanging stove water route adjusting device and wall -hanging stove. The wall -hanging stove water route adjusting device, including bathroom valve, including bathroom valve shell, set up on bathroom valve shell's bathroom water inlet channel, set up on bathroom valve shell's heating water return flow channel and install in bathroom water inlet channel's bathroom valve body, bathroom valve body is used for controlling the on -off of bathroom water inlet channel, heating valve, including heating valve shell, be provided with intercommunication's heating water inlet channel, first heating water outlet channel and second heating water outlet channel and bathroom water outlet channel on heating valve shell, be provided with heating valve body between heating water inlet channel, first heating water outlet channel and second heating water outlet channel, and heating valve body is used for closing or opening one of heating water inlet channel, first heating water outlet channel and second heating water outlet channel, heat exchanger, including heat exchanger casing, be provided with bathroom water route and heating water route in heat exchanger casing.

The utility model discloses a filter core, including the shell, its inside solid setting has the central tube and spiral flow guide plate, the central tube is along the axis of shell and is arranged, and the water outlet cavity is formed in the central tube, and the lateral wall of water outlet cavity is equipped with a plurality of water passing holes along the circumference, and the spiral flow guide plate is connected between the outer wall of central tube and the inner wall of shell, and spiral flow guide plate extends along the axis direction of shell spiral, to make the outer wall of central tube, the inner wall of shell and the spiral flow guide plate between the spiral cavity way, and the lower extreme of shell is equipped with a plurality of water inlet holes, and spiral cavity way is connected with water inlet hole and water passing hole, and the top of shell is equipped with the water outlet. The utility model discloses the spiral cavity way of forming spiral flow guide plate, and the spiral cavity way of long path must be flowed along to the water outlet from water inlet hole by forced water flow, and the water flow can fully contact with the filter material in the spiral cavity way, can greatly improve the effective contact area of water and filter material under the prerequisite of not increasing the shell volume, and the water quality of water outlet is stable and reliable.

The combined washing toothbrush comprises a holding part and a brush head part inserted into the upper end of the holding part, the holding part comprises a first shell, a first motor, a first battery, a transmission piece and a third pipeline, the first motor and the first battery are fixedly connected into the first shell, the transmission piece is fixedly connected to an output shaft of the first motor, and the third pipeline is fixedly connected into the transmission piece. One end of the pipeline III penetrates through the shell I and extends outwards; the brush head part comprises an insertion rod I; the pump body and the output end of the micro air pump are connected with the metal pipeline through the one-way valve, air injection and water injection can be separated and used independently, the effect of water injection and air injection combined flushing can be achieved, the effect similar to bubble water is generated after water and gas are mixed, bursting of bubbles in water can bring stronger impact force, and the service life of the device is prolonged. The cleaning device is simple in structure and convenient to use, stubborn dirt on the surfaces of teeth and in slits between the teeth can be removed easily, meanwhile, water flow can be softer through mixed spraying, the cleaning effect can be kept, stimulation and damage to gingiva can be reduced, and the use comfort level is improved.

The utility model discloses a water conservancy water diversion device which comprises a pool body, a positioning frame fixed on the inner wall of the pool body and a filter screen detachably arranged in the positioning frame, a brush capable of moving linearly is arranged in the pool body, the brush cleans the surface of the filter screen, a linear driving assembly is fixedly installed on the front side wall of the pool body, and the linear driving assembly drives the filter screen to rotate. And a water inlet pipe is fixedly installed at the top of the pool body, a plurality of branch pipes facing the interior of the pool body are arranged on the water inlet pipe in a communicating mode, and a hose is arranged on the water inlet pipe in a communicating mode. According to the utility model, a water source is sucked in through the water pump, discharged through the branch pipes and then falls on the filter screen to realize filtration, impurities are accumulated on the filter screen, at the moment, the motor is started to drive the reciprocating screw rod to rotate, the reciprocating screw rod drives the nut block to move linearly, and the nut block drives the brush to move linearly through the connecting rod, so that the impurities on the filter screen are cleaned; and finally, the sundries are pushed into the collecting box, and normal water supply of the filter screen is ensured.

The utility model provides an efficient cooling water channel connecting and detecting mechanism for resistance welding pliers, which comprises a welding pliers body, a welding transformer and a conductive part, the welding pliers body internally comprises a movable side electrode and a static side electrode, the welding pliers body is externally connected with an efficient cooling water channel connecting structure and a detecting structure, and the efficient cooling water channel connecting structure comprises a water valve plate assembly. The water valve body assembly comprises a first water valve plate used for cooling a movable side electrode and a static side electrode of a welding clamp, a conductive part and a second water valve plate used for independently cooling a welding transformer, and the total water inlet mode of the efficient cooling water way connecting structure and external connection is two-in and two-out. The cooling priority of the parts of the electrode holder is adjusted by optimizing the water path of the electrode holder, the water passing pipe diameter in the electrode holder is increased, and the cooling effect of the parts of the electrode holder is improved. Meanwhile, a water flow detection module is additionally arranged at the water return position of the electrode holder, the electrode holder is monitored in real time by detecting the cooling water return flow and the water temperature, and faults caused by too high heat productivity of the electrode holder are reduced.

The utility model discloses a water-cooled cable with a spring core for an intermediate frequency furnace, which comprises the spring core, an insulating rubber hose, copper stranded wires, a special copper sleeve, a copper screw cap and a fireproof silica gel sleeve, the spring core is positioned in the center of the insulating rubber hose, the copper stranded wires are uniformly distributed around the spring core, and the copper stranded wires and the spring core are welded with a special copper joint. The insulating rubber hose and the special copper connector are fastened and sealed through a prefabricated pipe clamp, one end of the special copper connector is sleeved with a red copper pipe, one end of the red copper pipe is provided with a special copper sleeve, the outer side of the copper sleeve is connected with a copper nut, and the outer layer of the insulating rubber hose is wrapped with a high-temperature-resistant fireproof silica gel sleeve. By adopting the structural design with the spring core, the copper stranded wires can be uniformly distributed around the spring core, and water can pass through the center and the periphery of the spring core, so that the water flow is ensured, and the cooling effect of the copper stranded wires is greatly enhanced; and the high-temperature-resistant fireproof silica gel sleeve wraps the outer layer, so that the service life of the cable is further prolonged.