44results about How to "Fast flow" patented technology

The present application relates to the technical field of plunger pump, in particular to a variable stroke double cavity plunger pump, which comprises a shell and a driving motor, two delivery pipes are arranged in the shell, two groups of crankshaft assemblies are arranged on the output shaft of the driving motor, the shell is connected with the corresponding delivery pipe through the crankshaft assembly, and a first one-way valve and a second one-way valve are symmetrically arranged in the delivery pipe along the axis of the crankshaft assembly; the one-way valve comprises a reset assembly, a sealing assembly and a clamping assembly arranged in sequence from top to bottom, the sealing of the sealing assembly is realized by the elastic extension of the reset assembly and the adhesion of the clamping assembly; the sealing assembly on the first one-way valve is provided with a first negative pressure assembly, the sealing assembly on the second one-way valve is provided with a second negative pressure assembly, and the first negative pressure assembly and the second negative pressure assembly are oppositely arranged; by arranging the negative pressure disc and the connecting pipe, the stress area of the sealing ball under the negative pressure condition is increased, the opening speed is accelerated, and the fluid passing efficiency is improved.

The application provides a control instrument for detecting the strength of molding sand and relates to the field of molding sand detection. The control instrument for detecting the strength of molding sand comprises a base, the inside of the base is divided into an airflow control cavity and a heat dissipation cavity by a partition plate, an air outlet channel is installed on the front side of the right end of the base, an air outlet groove is fixedly connected to the side of the airflow control cavity close to the air outlet channel, the inside of the air outlet groove is in communication with the air outlet channel, a piezoelectric valve is installed above the airflow control cavity, and a strength pressure transmitter is installed above the heat dissipation cavity. The piezoelectric valve and the airflow control cavity are added to the inside, the airflow control of the piezoelectric valve is more convenient, the operation stability is improved, when the test is stable, the piezoelectric valve can be closed and the control valve can be opened, the airflow directly enters the air outlet groove from the air inlet groove and is discharged, the consumption of compressed air can be greatly reduced, the energy consumption is reduced, and the operation cost of enterprises is reduced.

The utility model discloses a heavy-medium washing high-frequency undersize pump pressurized water treatment device, which relates to the technical field of coal mine washing and comprises a material box, an overflow pipeline is mounted at the upper part of the side wall of the material box, one end of a connecting pipeline is mounted at the bottom end of the material box, and a discharge valve is mounted on the connecting pipeline. The other end of the connecting pipeline is connected with a slurry pump through a flange, the pumping-out end of the slurry pump is connected with a discharging pipeline through a flange, and a discharging valve is installed on the discharging pipeline. According to the dense medium washing high-frequency undersize pump pressurized water treatment device, the situation that undersize water flows into an undersize water pipeline, the undersize water of a high-frequency sieve is recycled into a material box, the undersize water flows into the material box, and the undersize water is pressurized by a slurry pump and is transferred and discharged into a concentration tank is avoided, so that the flow speed of the undersize water is higher, and the pipeline is prevented from being blocked by accumulated materials; production shutdown is avoided; and the overflow pipeline is connected to the upper part of the material collecting side surface and enters a trench, so that the phenomenon of bucket overflow is avoided.

The utility model discloses a bipolar plate with a wave-shaped flow channel structure, relates to the technical field of hydrogen fuel cells, and can solve the problem that local overheating of an electric pile is easily caused due to the fact that flow channel design speed control mainly depends on bending design in the prior art. The bipolar plate with the wave-shaped flow channel structure comprises a plate body, and a plurality of wave-shaped flow channels which are arranged at intervals and are parallel to the length direction of the plate body are arranged in a flow field area of the plate body; the bottoms of the wave-shaped flow channels are arranged in a high-low staggered mode in the length direction of the plate body.

This invention relates to a fat mimic based on micro / nano-sized starch, its preparation method, and its application. The preparation method of the fat mimic includes: S1: providing a potato starch solution with a concentration of 15-20%; S2: adding 35-50 u / g of α-amylase (with an enzyme activity of 10000 u / g) based on the mass of potato starch, and enzymatically hydrolyzing at 85-90℃ for 5-15 min to obtain a potato starch enzymatically hydrolyzed fat mimic with a DE value of 2-3; S3: adjusting the potato starch enzymatically hydrolyzed fat mimic to a concentration of 1-5%, and using dynamic ultra-high pressure microfluidic technology at a pressure of 180-200 MPa for 6-12 cycles of micro-nano-sized potato starch fat mimic to obtain a particle size between 500-700 nm. Compared with enzymatically hydrolyzed fat mimics, the micro-nano-scale potato starch fat mimics prepared in this invention have significantly improved oil retention, emulsification, emulsification stability, sedimentation, and apparent viscosity. This is beneficial for increasing their fat substitution rate in food and developing low-fat or fat-free foods with a more delicate texture and better sensory experience and textural expectations for consumers.

Embodiments of the present application provide a laundry treating apparatus including a tub assembly and a circulation system. The tub assembly is provided with a laundry treating cavity and a drain opening communicating with the laundry treating cavity. The circulation system includes a drain pump having a first outlet and a water inlet, a drain passage communicating the drain opening with the water inlet, and a first passage having a water inlet end communicating with the first outlet and a water outlet end facing the drain passage. During the process of the drain pump pumping water into the first passage, the water in the first passage flows at a high speed, and the water flowing out of the water outlet end of the first passage has a flow interference effect on the water and the detergent in the drain passage, which is conducive to promoting the dissolution of the detergent in the drain passage. Since the drain passage communicates with the laundry treating cavity through the drain opening, the dissolved detergent will enter the laundry treating cavity along with the water through the drain opening to clean the laundry, thereby helping to improve the cleaning ratio.

The utility model relates to a pet toilet which comprises a toilet body, a urine falling opening is formed in the toilet body, inserting grooves are formed in the inner sides of the edges of the upper surface of the toilet body, at least one inserting groove is a continuous long groove, and the other inserting grooves can be continuous long grooves or discontinuous short grooves. An inserting piece matched with the long groove is arranged below the edge of one side opposite to the long groove, and when two or more toilet bodies exist and the inserting piece is inserted into the long groove of the adjacent toilet body, the two toilet bodies can be spliced, and modular application of the toilet bodies is achieved.

The extrusion die for the aluminum profile of the lifting structure of the display comprises an upper die and a lower die, the mold core is arranged at the bottom of a connecting column in the middle of the bottom surface of the upper mold; a plurality of peripheral shunting holes which are circumferentially spaced and vertically penetrate through the upper mold are formed in the periphery of the connecting column; a middle flow dividing hole located above the connecting column is further formed in the middle of the top face of the upper die in a concave mode. The mold core is sleeved in the cavity; forming holes are formed in the outer peripheral wall of the mold core in an inward concave mode, and the forming holes comprise large screw arm forming holes and small rib forming holes; the screw arm forming holes and the rib forming holes penetrate through the bottom face of the mold core downwards, and the screw arm forming holes are further communicated with the middle flow dividing holes upwards. Therefore, the screw arm forming hole upwards communicates with the middle flow dividing hole, sufficient metal materials can be provided for the screw arm forming hole in the extrusion forming process, the situation that feeding is insufficient due to the fact that feeding is conducted only through the peripheral flow dividing holes is avoided, it is ensured that the structure of a screw arm formed after a product is formed is stable, and fracture deformation of the screw hole can be prevented.

The application relates to the technical field of fireplaces, in particular to a high-efficiency heat-dissipation fireplace. The fireplace comprises a furnace body, the furnace body comprises a back plate, a side plate, a bottom plate, a front plate, a top plate and a combustion inner cavity, the top plate is composed of a plurality of convex units, and the plurality of convex units are connected in a wave shape. The top plate is arranged in a wave shape, the periodic fluctuation can increase the effective height of the top plate in the thickness direction, the geometric rigidity is enhanced, the top plate is prevented from being deformed due to heat, and the surface area of the wave-shaped top plate is increased, so that the heat-dissipation area of the top plate is effectively increased.

This invention relates to integrated cooktops, specifically to a duct structure for the exhaust power unit of an integrated cooktop. The duct structure comprises a duct between the cooktop housing and a straight duct. The cooktop housing has a front guide and a rear guide at its front and rear ends, respectively. The outer circumferential wall of the front guide extends gradually outward from front to back, and the outer circumferential wall of the rear guide extends gradually inward from front to back. The maximum outer diameters of the front and rear guides are the same as the outer diameter of the cooktop housing. A plurality of moving blades extend into the duct, and the duct contains a plurality of stationary blades connecting the straight duct and the cooktop housing. The moving and stationary blades are arranged in a ring-shaped interval around the axis of the straight duct. This invention has the advantages of enabling faster airflow and lower noise.

The utility model discloses a gas valve which is reasonable in layout and facilitates normal passing of gas. A gas valve comprises a gas valve body, a rotary switch is arranged at the front end of the gas valve body, a communicated nozzle is arranged at the rear end of the gas valve body, and the rotary switch and the nozzle are coaxially arranged. The left side of the rear end of the gas valve body extends and is horizontally communicated with a first gas outlet pipe, an ignition pipe is mounted at the rear end of the first gas outlet pipe and is parallel to the nozzle, and an ignition needle is mounted above the ignition pipe; the right side of the rear end of the gas valve body extends to form a vertically communicated first mounting seat, an electromagnetic valve is mounted in the first mounting seat, a thermocouple is mounted at the top of the first mounting seat, the measuring end of the thermocouple is located beside the nozzle, and the thermocouple is used for driving the electromagnetic valve; a piezoelectric igniter is installed on the top face of the front end of the gas valve body and electrically connected with the ignition needle. A communicated gas inlet pipe protrudes out of the bottom of the gas valve body.

The utility model discloses a uniform feeding device for food additives, relates to the technical field of food additives, and aims to solve the problem of non-uniform mixing caused by the fact that the conventional mixing device provided by the background technology cannot uniformly discharge the food additives. Comprising a material collecting bin, a stirring bin shell and a stirring bin base, the material collecting bin is installed at the upper end of the stirring bin shell, the stirring bin base is fixed to the lower end of the stirring bin shell, an output rotating motor is arranged on one side of the stirring bin shell, and the output shaft end of the output rotating motor is connected with an output rotating gear; an output pipeline is rotationally connected to the center of the bottom of the stirring bin base through a bearing, a pipeline rotating gear is arranged at the upper end of the exterior of the output pipeline, the output rotating gear is in transmission connection with the pipeline rotating gear through a bottom transmission belt, a spraying opening is connected to the lower end of the output pipeline, and an internal thread part is arranged in the output pipeline in a threaded mode.

The utility model provides a high-strength water pool filter element end cover, and relates to the technical field of filter element end covers. A set of second round holes are formed in the bottoms of the inner walls of the first mounting groove, movable columns are movably inserted into the inner surface walls of the second round holes, a top plate is fixedly mounted between the tops of the movable columns, and an extrusion plate is fixedly mounted between the bottoms of the movable columns. According to the utility model, a worker can easily inject glue into the reinforcing end cover through the one-way valve, the worker only needs to push the clamping block, so that the top plate can drive the movable column and the extrusion plate to descend, and the glue in the liquid storage cavity breaks through the sealing film under uniform pressure and quickly and uniformly flows to the contact surface of the reinforcing end cover and the filter element; compared with the prior art, time and energy of manual smearing are remarkably reduced, working efficiency is improved, meanwhile, the situation that the bonding quality is not high due to manual smearing is avoided, and the overall performance and sealing performance of the filter element are improved.

The utility model relates to the field of bathroom equipment discloses a washing machine drainage floor drain core and contain floor drain structure of this washing machine drainage floor drain core, wherein floor drain core includes core body and flap, is provided with water inlet and second drain on the core body, the flap covers and shields second drain, and the water inlet and second drain form second drainage channel in the core body inside communication, still be provided with flow guide pipe, baffle and first drain on the core body, baffle sets up between flow guide pipe and core body inner wall, and flow guide pipe is fixed in the core body through baffle, and the bottom of flow guide pipe forms first drainage channel with first drain communication, and first drainage channel and second drainage channel are independent drainage respectively. The utility model discloses through optimizing the structure of floor drain core, makes floor drain core to have washing machine drainage and ground drainage two independent drainage channel simultaneously, and two drainage channels all have normal insect prevention and peculiar smell prevention function, has simple structure durable, low failure rate and the advantages such as strong applicability.

The utility model discloses a rolling brush module and cleaning equipment, the rolling brush module comprises a rolling brush main body and a shielding assembly, the rolling brush main body is at least used for being installed at the bottom of the cleaning equipment, a suction port is formed between the rolling brush main body and a to-be-cleaned surface along a first direction, and the suction port is used for sucking garbage on the to-be-cleaned surface into a dust box of the cleaning equipment; the shielding assembly comprises a shielding piece and a driving mechanism, the shielding piece is at least arranged on the front side of the rolling brush body in the advancing direction of the cleaning equipment, and the driving mechanism is connected with the shielding piece and configured to shield the rolling brush body under the action of friction force applied by the to-be-cleaned face. And the shielding piece is driven to do lifting motion relative to the rolling brush main body so as to change the size of the suction port. The dust removal device solves the problem that the dust removal efficiency of the cleaning device on the soft to-be-cleaned surface is low.

The utility model discloses a fin structure, heat exchanger and refrigeration equipment, fin structure includes: fin and at least one louver of windward that is located on the fin, and the louver of windward has a plurality of obliquely arranged windward blades, the oblique angle of the windward blade in the same louver of windward gradually increases along the airflow direction, and the oblique angle of any two adjacent windward blades in the same louver of windward is different by fixed angle delta theta. The utility model discloses the louver structure of the attack angle gradual change replaces the traditional fixed attack angle design, and since the oblique angle of the blade gradually increases along the airflow direction, when the flow rate is low, the shielding effect of the upstream blade to the downstream blade is not obvious, and at the same time, the negative pressure exists behind the downstream blade, so that the flow rate between the blades is relatively fast, is favorable to heat exchange, realizes the substantial promotion of heat exchange efficiency.

The invention relates to the technical field of bactericide preparation, in particular to a device and a method for preparing a botanical bactericide for green prevention and control of ganoderma arachnoid. In the using process of an existing device, ethyl alcohol and fructus cnidii cannot be fully stirred conveniently, a condensed extracting solution cannot be fully collected conveniently, and therefore the efficiency of preparing a bactericide is low. The device comprises a bottom plate, the bottom plate is fixedly connected with an extraction furnace, and the bottom plate is fixedly connected with a reaction furnace and a recrystallization furnace. The driving motor drives the rotating shaft to rotate, so that the stirring frame slides up and down in a reciprocating manner to fully stir fructus cnidii and ethanol in the extraction furnace, the fructus cnidii and the ethanol are uniformly mixed, effective substances in the fructus cnidii are extracted, and the quality of an extracting solution is improved.

The application provides a kind of prevents venous thrombosis bed with ankle auxiliary exercise mechanism, belong to medical training device technical field. Including base, the top of base is equipped with rotating shaft seat one and rotating shaft seat two, the top of base is placed with the foot of the board, the top of the foot of the board is equipped with heel slot, the one end of rotating shaft seat one is provided with stretch plate, the back bottom end of stretch plate is provided with elastic telescopic rod. The application is equipped with buffer massage assembly, etc., to improve the patient during exercise, through the control of heel displacement caused by palm off, increase the adjustment steering assembly, adapt to different foot movement flip angle, at the same time, increase the resistance, accelerate the compactness of foot bottom stress surface, promote the circulation of blood, improve the exercise effect, the chain use of massage function, increase the interest of patient exercise, accelerate the recovery cycle, avoid the formation of venous thrombosis, cope with different palm size at the same time, reduce the workload of medical staff.

This invention relates to the field of active power filter cabinet technology, and proposes a heat dissipation system for an active power filter cabinet, including a cabinet body. A top air outlet is fixed in the middle of the top surface of the cabinet body, and an air guide frame is fixed in the middle of the top surface of the inner side of the cabinet body. The air guide frame is connected to the inner side of the top air outlet, and a rotating hole is provided in the middle of the top surface of the top air outlet. After the drive motor of this invention drives the cooling fan to rotate, the external cold airflow enters the cabinet body through the bottom air inlet frame for heat dissipation, and then enters the top air outlet through the air guide frame, and is discharged through multiple air outlet slots, carrying away the heat inside the cabinet body. A first filter screen is connected to the air guide frame through a first mounting frame, and a second filter screen is connected to the bottom air inlet frame through a second mounting frame, which can prevent dust from entering the cabinet body and protect the internal equipment from dust. The first and second mounting frames are easy to disassemble and assemble, facilitating the cleaning or replacement of the first and second filters and maintaining efficient heat dissipation capacity.

This application discloses a fluid actuator and a wireless charger. The fluid actuator includes a piezoelectric pump, which comprises a pump housing, a base, and multiple sets of vibration components. The pump housing has an air inlet and an air outlet. The base is disposed inside the pump housing and divides the space inside the pump housing into multiple air chambers. Each air chamber is connected to at least one air inlet and at least one air outlet. Each air chamber is provided with at least one set of vibration components, which include an elastic substrate and a piezoelectric element. The elastic substrate is connected to the base, and the piezoelectric element is disposed on the elastic substrate. The piezoelectric element is used to drive the elastic substrate to vibrate when energized, so as to generate an airflow from the air inlet to the air outlet within the air chamber. This can enhance the heat dissipation efficiency of electronic devices and prevent heat from being unable to be dissipated in a timely manner.

The application discloses a machine body, a cleaning device and a control method, a control device and a storage medium thereof. The machine body comprises a main body and a cooling fan. The main body comprises a shell and a battery pack arranged on the shell. The shell is provided with an air inlet and an air outlet. The main body further comprises a cooling air duct which is in communication with the air inlet and the air outlet and at least partially penetrates the battery pack. The cooling fan is arranged at the air inlet and / or the air outlet and is used to drive airflow to flow through the cooling air duct. In the application, the cooling airflow flowing through the cooling air duct exchanges heat with the inside of the battery pack, which helps to reduce the inside of the battery pack, that is, the part of the battery pack with greater heat dissipation demand is targeted for heat dissipation, thereby helping to optimize the heat dissipation effect of the battery pack as a whole. The cooling fan drives the cooling airflow to flow orderly in the cooling air duct, ensuring that the cooling airflow flowing through the battery pack is effective cooling airflow with lower temperature, faster flow rate and larger flow, thereby further improving the heat exchange intensity of the battery pack.

The application provides a detachable multifunctional device for noise reduction, purification and pressure boosting, and belongs to the technical field of smoke exhaust. The device comprises a smoke exhaust pipe, wherein the smoke exhaust pipe is composed of detachably connected sound attenuation outer pipes, purification pipes and pressure boosting pipes, the sound attenuation outer pipes, the purification pipes and the pressure boosting pipes are sequentially arranged and are respectively provided with sound attenuation manifold structures, purification mechanisms and pressure boosting mechanisms, the pressure boosting mechanism comprises a pressure boosting impeller structure, and the pressure boosting impeller structure is arranged between the smoke outlet of the purification pipe and the smoke outlet of the pressure boosting pipe. The smoke exhaust pipe integrates the functions of noise reduction, purification and pressure boosting, can realize noise reduction and adsorption purification when the oil fume is exhausted, can prevent the problems of insufficient smoke exhaust pressure or oil fume backflow caused by airflow interference of the smoke outlet when high floors, multiple users simultaneously use integrated kitchens or oil fume exhausters, and the smoke exhaust pipe composed of detachably connected sound attenuation outer pipes, purification pipes and pressure boosting pipes can be conveniently cleaned.

The utility model relates to the technical field of warm air pipe, and disclose a warm air pipe noise reduction structure, including air duct pipe, the air duct pipe left end is provided with the adapter pipe, the adapter pipe left end fixedly connected with square pipe, the square pipe inner wall left side fixedly connected with filter screen board no.

The application discloses a molten material pumping system for a road marking machine, which comprises a plurality of inlets connected with the bottom outlet of a hot melting kettle, and the outlet of each inlet is connected with the inlet of a mixing cavity; the mixing cavity is a double-layer structure, the upper layer is provided with a pressurizing screw rod for pressurizing, the front end of the pressurizing screw rod is provided with a gear transmission device, and the gear transmission device is located on the top of the lower-layer inlet; the bottom of the mixing cavity is connected with a longitudinal material conveying part, the longitudinal material conveying part comprises a longitudinal material conveying screw rod, and the top of the longitudinal material conveying part is provided with an outlet. The device is a fast molten material pumping system designed for the road marking machine, which is characterized by high temperature, high viscosity and no bubbles of the molten material for the road marking machine, and the cooperation between the pipe diameter and the conveying screw rods improves the conveying efficiency, reduces the heat consumption of the molten material, and meets the normal use of the road marking machine.

The utility model belongs to the technical field of distributors, and particularly relates to a flow guide distributor. The flow guide distributor comprises at least two distribution pieces; the at least two distribution parts are partially arranged in the material conveying pipe and communicated with the material conveying pipe, the at least two distribution parts and the material conveying pipe are coaxially arranged, and projections of every two adjacent distribution parts on the material conveying pipe are at least partially overlapped in the radial direction of the material conveying pipe; wherein in the radial direction of the material conveying pipe, every two adjacent distribution pieces are arranged in a spaced mode to form a first intercepting flow channel, the distribution piece located on the outermost side of the at least two distribution pieces in the radial direction of the material conveying pipe is the first distribution piece, and the first distribution piece and the inner wall of the material conveying pipe are arranged in a spaced mode to form a second intercepting flow channel.

The utility model discloses a water -saving device and shower system, including water distribution switch and water storage tank, be provided with mixing device on the water storage tank, water distribution switch is communicated with water storage tank and mixing device respectively through inlet pipe, and the automatic switch mechanism control of setting in water storage tank is water storage tank's water inlet and water outlet. The utility model discloses the water -saving device of setting, can directly introduce the cold water into the water storage tank and store temporarily, then through water distribution switch, the hot water is introduced into the mixing device and the cold water of water storage tank is mixed automatically, and then avoid the problem of the cold water waste of early stage when showering, can save the shower water consumption of every time one -tenth.

The utility model relates to a kind of ventilation pipes for reaction kettle, belong to reaction kettle ventilation technical field, including air pipe body and ventilation hole, air pipe body is 1 layer or multilayer axial spiral body, spiral body radial inner diameter is greater than the mixing paddle outside in reaction kettle, ventilation hole is evenly distributed on air pipe body along the same spiral line on the outer surface of air pipe body, spiral design is on the one hand to the gas and material contact reaction, on the other hand not easy to block ventilation hole, the spiral distribution of ventilation hole makes ventilation hole not easy to block, and once individual ventilation hole is blocked, under the action of the gas flow rate of other ventilation hole, it can effectively open by itself, also can make the gas and material contact reaction, improve reaction efficiency.

The utility model discloses a front fork oil pressure bar capable of being quickly locked and muted, which relates to the field of shock absorber design and comprises an oil cylinder, a first piston, a separator and a second piston are movably mounted in the oil cylinder in a matched manner, a left end cover and a right end cover are fixedly mounted at two ends of the oil cylinder respectively, and a connecting rod is fixedly mounted between the left end cover and the first piston. A piston rod is fixedly installed at the outer end of the second piston, a piston hole is formed in the right end cover, the outer end of the piston rod is movably installed in the piston hole in a matched mode, and the separator is arranged between the first piston and the second piston in a separated mode. First damping oil is filled between a first piston of the oil cylinder and the separator, second damping oil is filled between a second piston of the oil cylinder and the right end cover, and oil passing holes are formed in the first piston and the second piston; compared with the prior art, the isolation piece is arranged in the oil cylinder, a locking system and a movement system which are separated from each other are formed in the oil cylinder, the rapid locking and mute effects are achieved, and the riding experience is improved.

The invention discloses a high-wettability gradient aperture composite diaphragm and a preparation process thereof. The diaphragm comprises a polyolefin base membrane layer and a synthetic fiber web layer prepared by a spunlace process, the overall thickness of the diaphragm is 8-12 [mu] m, the aperture of one side facing the positive electrode is 30-50 nm, and the aperture of one side facing the negative electrode is 50-100 nm; and the synthetic fiber web layer contains a tannic acid modifier. The tannic acid modified synthetic fiber web layer in the composite diaphragm can provide better wettability for the composite diaphragm, and polar functional groups on the surface of the tannic acid modified synthetic fiber web layer can homogenize lithium ion flow, guide uniform deposition of lithium and inhibit generation of lithium dendrites. The polyolefin layer mainly provides mechanical strength, and forms a gradient aperture structure with the spunlace modified polyethylene layer, so that the uniformity of current density is improved, the uniform deposition of lithium is effectively induced, and the growth of lithium dendrites is reduced.