44results about How to "Adjust flow size" patented technology

The invention discloses a multifunctional check valve capable of cleaning away and filtering impurities conveniently. The multifunctional check valve comprises a valve body, an adjusting assembly, a motor and a limiting assembly. A mounting pipe and a water outlet pipe are arranged at the left end and the right end of the valve body correspondingly, a fixed ring is fixed to the right side of a movable rod, the motor is fixed to the right side of the valve body, the output end of the motor is connected with a lead screw, and trapezoidal blocks are slidably connected to the upper end and the lower end in the mounting pipe. The multifunctional check valve capable of cleaning away and filtering impurities conveniently is provided with a sliding groove and limiting blocks, impurities in fluid can be filtered through a filter screen in a water inlet pipe, blockage caused by impurity attachment is avoided, the water inlet pipe and a filter plate can be conveniently mounted in the mounting pipe through the sliding groove in the surface of the water inlet pipe, meanwhile, the water inlet pipe can be rotated to enable the limiting blocks at the two ends of the inner wall of the mounting pipe to be clamped into limiting grooves in the surface of the water inlet pipe, so that the water inlet pipe is limited, the water inlet pipe can be conveniently dismounted after long-time use to replace the filter plate, and practicability is improved.

The invention discloses a safe type intelligent air flow control device. The safe type intelligent air flow control device comprises a flow controller, a flowmeter, a flow control valve, a pipeline, and a pressure relief pipe, wherein an electric valve body is arranged in the pressure relief pipe; the flowmeter and the pressure relief pipe are connected with the pipeline; the flow controller is connected with the pipeline through the flow control valve; an air inlet and an air outlet are respectively formed in two ends of the flow control valve; the flowmeter communicates with one end of the air outlet through the pipeline; a pressure sensor is arranged in the pipeline between the flowmeter and the air outlet; the flow control valve comprises an executing mechanism, a valve body and a valve core, wherein a motor is arranged in the executing mechanism; the valve core is arranged in a cavity of the valve body; and the valve core comprises a transmission shaft, a first valve rod, a secondvalve rod and a valve seat. The safe type intelligent gas flow control device disclosed by the invention has the beneficial effects that the capacity of the flow in the pipeline can be automaticallycontrolled according to requirements, and besides, the flow rate of the pipeline is monitored in real time; and when the air flow is abnormal, self-protection can be realized through pressure relief.

The invention discloses a motorcycle shock absorber with damping force adjustable. The problems that an existing shock absorber is poor in adjusting capacity of damping force, and the damping force cannot be adjusted and restored are solved. The motorcycle shock absorber comprises a piston cylinder, a piston and a piston rod, the piston is provided with a rebound valve, and the rebound valve is communicated with a channel. A radial through hole is formed in the piston rod, and is communicated to the channel, and an ejector pin used for adjusting the flow of the radial through hole is arranged inside the piston rod. The flow of the radial passing of the piston rod is adjusted through the ejector pin, then the flow of the channel of the rebound valve is adjusted, and therefore the damping force is adjusted and restored, the riding feedings of different riders are met, and the shock absorption performance of the shock absorber is improved. The motorcycle shock absorber is suitable for the shock absorption of motorcycles, and especially suitable for the shock absorption of racing motorcycles.

The invention discloses a novel ball valve. The novel ball valve comprises a valve body; the valve body is internally provided with a passage and a mounting hole; the upper end, in the mounting hole,of the valve body is provided with an upper end cover, and the lower end is provided with a lower end cover; a lower rotating shaft is rotationally connected inside the lower end cover; the upper endof the lower rotating shaft inside the mounting hole is rotationally connected with a lower valve ball; a loop bar is rotationally connected inside the upper end cover; the lower end of the loop bar is provided with a ball cover; the two ends of the passage are each fixedly provided with a screw barrel; a valve seat cylinder is slidably connected inside the screw barrel; the outer side of the valve seat cylinder is provided with a protruding shoulder; a spring is arranged between the screw barrel and the protruding shoulder; a first transmission component is arranged inside the mounting hole;the lower valve ball is internally provided with a mounting groove; the inside of each mounting groove is rotationally connected with an axle rod; each axle rod is fixedly provided with a ball core; the inside of the loop bar is rotationally connected with a regulating rod; and a second transmission component is arranged inside the lower valve ball. The novel ball valve is simple in structure andcan realize on-line replacement of a sealing surface of the ball core without shutdown.

The invention provides photocuring 3D printing equipment and a photocuring printing method, and relates to the technical field of 3D printing. The photocuring 3D printing equipment comprises a frame, a printing head, a driving device, a supply device and a control device; the supply device is connected with the printing head; the driving device is arranged on the frame, and can drive the printing head to move; the control device can control the driving device and the supply device to work; the printing head comprises a printing head body and a photocuring element; the photocuring element and the printing head body are arranged correspondingly, so that a printing material can be quickly solidified under the effect of the photocuring element; the supply device comprises a pressure container, a supply adjusting structure and an output guide pipe; the pressure container and the printing head body are connected through the output guide pipe; and the supply adjusting structure is arranged on the output guide pipe for adjusting the flow. The photocuring printing method is based on the photocuring 3D printing equipment, and can relieve the problems of complicated structure, high design difficulty, supply discontinuation and low printing efficiency caused by higher printing head temperature.

The invention relates to the technical field of flow regulation, and discloses a flow regulation device utilizing the flow coefficient of a flow regulator. The flow regulation device comprises a box body, a hollow column is fixedly arranged in the box body through a connecting rod, a first rotating rod is rotatably arranged in the hollow column through two first bearings, and an impeller is fixedly arranged on the rod wall of the first rotating rod; through holes are formed in the upper surface and the lower surface of the hollow column, a first water pipe and a second water pipe are fixedly connected to the upper surface and the lower surface of the hollow column in a sleeved manner correspondingly, a flow regulator is fixedly arranged on the pipe wall of the first water pipe, and the right end of the first rotating rod penetrates out of the hollow column and is fixedly connected with a first bevel gear; and the first bevel gear is fixedly connected with a driving mechanism and an adjusting mechanism through a transmission mechanism. According to the flow regulation device, the flow can be automatically adjusted, and the irrigation effect is improved.

The invention discloses a connecting rod and cam type pressure adjusting device. The connecting rod and cam type pressure adjusting device comprises a supporting plate, a sliding valve, a servo hydraulic cylinder and a liquid conveying pipeline communicated with the servo hydraulic cylinder. The liquid conveying pipeline is communicated with a guide pipe. A sluice valve is arranged on the guide pipe. The servo hydraulic cylinder comprises a piston and a piston rod connected with the piston. The piston rod is provided with an annular protrusion and sleeved with a spiral spring. A clamping seat is arranged on the outer side of the piston rod and fixed to the supporting plate. The clamping seat and the piston rod are located on the same horizontal line. One end of the spiral spring is connected with the annular protrusion. The other end of the spiral spring is connected with the clamping seat. A cam hinged to the supporting plate is arranged below the annular protrusion and connected with a push rod capable of moving horizontally. The connecting rod and cam type pressure adjusting device is easy to install, and an existing system does not need to be largely transformed.

The invention belongs to the technical field of automobile parts and relates to a damping-adjustable shock absorber with a limit function. The shock absorber comprises a cylinder and an auxiliary pipe, wherein a hollow piston rod is arranged on the cylinder, a flow control channel and a control rod used for adjusting the flow rate of the flow control channel are arranged on the hollow piston rod,a first hole and a second hole are formed in the control rod, a third hole is formed in the hollow piston rod, and the control rod can adjust the second hole to overlap with or stagger from the thirdhole so as to realize adjustment on damping of the shock absorber; and the cylinder is connected with the auxiliary pipe and communicates with the auxiliary pipe, an adjustment block is arranged on the auxiliary pipe, an adjustment valve element which can control the cylinder to communicate with or cut off the auxiliary pipe is arranged on the adjustment block, and a floating piston which dividesthe auxiliary pipe into an oil pressure cavity and an air pressure cavity is arranged inside the auxiliary pipe. The shock absorber can perform damping adjustment, also can perform limiting and is simple in structure, convenient to operate and wide in application range.

The invention discloses a cable trench cover plate sealing measure fire resistance testing device and testing method. The device comprises an oil pool, a fire extinguishing device, an experiment box,an oil disc, an oil conveying device and an image acquisition device; the oil disc leads to the experiment box; the experiment box comprises a bottom plate and side walls located around the bottom plate; through holes penetrating up and down are formed in the bottom plate; protrusions higher than the bottom plate are arranged on the edges of the through holes; and oil flowing openings are formed in the side walls. The method comprises the steps of laying a cable trench cover plate, applying a load, installing a cotton pad and a temperature acquisition device, inputting transformer oil into theoil disc, igniting the oil disc, simulating flowing fire, testing fire resistance and heat insulation, fire resistance integrity, bearing capacity, appearance, sealing performance and the like in anexperiment process, and recording experiment time; and extinguishing the experiment site after the experiment is finished. The device and the method have the advantages that a transformer oil flowingfire scene can be simulated, the fire resistance of the cable trench cover plate and gap plugging is tested, the bearing, integrity and heat insulation performance of the cable trench cover plate andgap plugging are evaluated, a selection basis is provided for model selection, and fire accident expansion is avoided.

The invention provides an automatic micro reaction system which comprises a housing (1); a microreaction module (2) used for microreaction of a material; a pump control module (3) for pumping the material into the microreaction module; a temperature control module (5) for control of temperature during the microreaction; an electronic control module (6) for control of operation of each module in the system; and a safety protection module (7) used to send an alarm, execute stop operation and / or prompt maintenance when any position of the system is abnormal; and all the modules are integrated in the housing. The occupy space of the automatic micro reaction system is effectively reduced, equipment integration degree is improved, and the automatic micro reaction system has the beneficial effects of various and full functions and small equipment space.

The invention provides an agricultural irrigation water-saving system which comprises a connector used for being connected with a water conveying pipeline, wherein the connector comprises an upper box and a rotating cover, the upper box is in a circular box shape, a center shaft is coaxially and rotationally connected to the interior of the upper box, the top end of the center shaft extends out of the upper box and is connected with a rotary disc, a plurality of water through holes are distributed in the side face of the upper box in an array mode, and a connecting pipe is fixed to the outer port of each water through hole; the rotating cover is a circular box with an opening in the bottom end, the rotating cover is coaxially arranged in the upper box, a first shaft hole rotationally connected with the center shaft is formed in the middle of the rotating cover, a plurality of first through holes corresponding to the connecting pipes are distributed in the annular side surface of the rotating cover, and a second through hole is further formed in the position, adjacent to each first through hole, of a rotating cover shell. The agricultural irrigation water-saving system is simple in structure, can be installed and used in the irrigation water conveying pipeline, facilitates the change of the conveying flow, can achieve the purpose of adjusting the water pressure, facilitates the filtration and collection of impurities in water, and effectively avoids the blockage of the pipeline.

The invention belongs to the technical field of geothermal energy, and particularly relates to a device utilizing geothermal heating. The device utilizing geothermal heating comprises a heat exchanger, a heating channel and a working medium channel are arranged in the heat exchanger, the working medium channel is connected with a submersible pump used for extracting geothermal water; the heating channel of the heat exchanger is connected with the branch pipeline, and a geothermal water divider is connected with the branch pipeline; the geothermal water divider is connected with a geothermal pipe, the geothermal pipe is embedded below a cement filling layer, and a surface layer is covered above the cement filling layer; ground hot water is extracted through the submersible pump, and heat exchange is carried out by utilizing the heat exchanger, water in the heating channel in the heat exchanger is heated, and the heated hot water is sent to the geothermal water divider through the branchpipeline, and the heat is transmitted to the cement filling layer through the geothermal water divider after being conveyed back and forth through the geothermal pipe, and then the heat is directly transferred to the surface layer, heat is continuously transmitted to the room in a radiation mode through the surface layer so as to heat the user.

The invention provides a compact type oil cylinder hydraulic driving system. The compact type oil cylinder hydraulic driving system comprises a main valve block, a transition connection block, a mainshaft braking valve group and a yawing braking valve group; an immersion type oil pump, an oil returning pipe, an oil tank and an oil absorbing pipe are fixed to the left surface of the main valve block; the oil tank is of a cylindrical structure, and covers the immersion type oil pump, the oil returning pipe and the oil absorbing pipe; an oil inlet of the immersion type oil pump communicates withthe oil absorbing pipe through a flow channel in the main valve block; a motor driving the immersion type oil pump to work is fixed to the right surface of the main valve block; the upper end face ofthe main valve block is connected with the transition connection block; and the main shaft braking valve group and the yawing braking valve group are further connected to the transition connection block. The compact type oil cylinder hydraulic driving system has the main shaft braking function and the yawing braking function, achieves integration of various hydraulic elements through the main valve block and the transition connection block, and further has the beneficial effect of being compact in structure.

The invention relates to the technical field of hydraulic locks, in particular to a hydraulic lock assembly capable of adjusting flow. The hydraulic lock assembly solves the problems that the flow in a loop is inconvenient to control and adjust and the sealing performance of a device is poor. The hydraulic lock assembly comprises a valve body, an end sleeve cover is fixedly sleeved with the valve body, a first sealing ring is sleeved with the valve body, and an end sleeve cover is sleeved with the first sealing ring. A supporting sleeve is slidably sleeved with the end sleeve cover, a supporting sleeve is slidably sleeved with the valve body, a valve element is slidably sleeved with the supporting sleeve, a spring is arranged in the valve element, a plunger is slidably sleeved with the valve body, and the plunger and the valve element are slidably sleeved. By arranging a flow sleeve, a flow rod, a cap-shaped nut and other structures, the cap-shaped nut and the flow rod are rotated to do threaded motion so that the flow rod can stretch out and draw back in the flow sleeve, then the caliber of a flow channel in the contact position of the flow rod and the valve body can be changed, and then the flow can be adjusted and controlled.

The invention relates to the technical field of connector design, and discloses an adjustable hose connector which comprises a connector body and a threaded butt joint end. A hose butt joint end communicating with the connector body is arranged at the end, away from the threaded butt joint end, of the connector body, and a butt joint plane is arranged on the side, away from the connector body, of the hose butt joint end. A plurality of external threaded pipes are further arranged on the side, away from the connector body, of the hose butt joint end, threaded holes for threaded connection of the external threaded pipes are formed in the butt joint plane, an inserting connection pipe used for being embedded into a hose is arranged at the end, away from the hose butt joint end, of each external threaded pipe, and a check ring used for abutting against the inner wall of the hose is arranged on the peripheral side of each inserting connection pipe. The multiple external threaded pipes can be in threaded connection with the interiors of the multiple threaded holes respectively, at the moment, after the hoses are inserted into the insertion pipes on the external threaded pipes, the butt joint ends of the hoses can be in butt joint with the multiple hoses, finally, the multiple hoses can be in butt joint on the connector body at the same time, and therefore the requirement for butt joint of the multiple hoses is met.

The invention discloses an adjustable electric control valve element. The adjustable electric control valve element comprises a pulse valve, a water diversion rotary disc and a body sleeve; a valve body water inlet and a valve body water outlet are formed in one end of the pulse valve, and a butt joint terminal is arranged at the other end of the pulse valve; the water diversion rotary disc is fixedly arranged on the pulse valve, a water diversion opening and a rotary disc water outlet are formed in the water diversion rotary disc, the water diversion opening communicates with the valve body water inlet in a sealed mode, and the rotary disc water outlet communicates with the valve body water outlet in a sealed mode; and the body sleeve is arranged on the water diversion rotary disc in a sleeving mode and is rotationally connected with the water diversion rotary disc in a sealed mode, a plurality of body water inlets and a body water outlet are formed in the body sleeve, the body wateroutlet communicates with the rotary disc water outlet, and in the relative rotation process of the water diversion rotary disc and the body sleeve, the water diversion opening at least partially communicates with the water inlets. The adjustable electric control valve element is small in size, can be matched with a mechanical ceramic valve element, and can adjust the flow or the cold and hot watermixing proportion.

The invention provides a new-flavor solid beverage uniform subpackaging process technology and relates to the technical field of solid beverages. A new-flavor solid beverage uniform subpackaging device comprises a speed adjusting assembly, a transmission disc is arranged in the speed adjusting assembly, a driven conical shaft is in transmission connection with the interior of the transmission disc, and a stirring assembly is fixedly connected to the left side of the driven conical shaft. According to the new-flavor solid beverage uniform subpackaging process technology, a first rotating handle is rotated, at the moment, the transmission ratio between the driven conical shaft and a driving conical shaft is changed, and the rotating speed of the stirring assembly in a material storage bin is further changed, so that the effects that the material discharging continuity is prevented from being affected by solid beverage accumulation, and the filling precision is improved are achieved; and a second rotating handle is rotated, at the moment, the size of a material feeding opening in a material discharging pipe can be changed, and the material discharging flow quantity is further changed, so that the effects that the flow quantity during filling can be rapidly adjusted, and the filling amount can be conveniently changed according to needs are achieved.

The invention relates to the technical field of medical treatment, in particular to a temperature control type vagina cleaner for obstetrics and gynecology department. The cleaner comprises a processor, a display screen, a water temperature sensor and a box body, a supporting plate is fixedly arranged on the inner side of the box body, two mounting holes are formed in one side of the supporting plate, a heating water bucket and a normal-temperature water bucket are fixedly arranged on the inner sides of the mounting holes correspondingly, an annular constant-temperature electric heating piece is fixedly arranged on one side outside the heating water bucket, a water outlet A is formed in one side of the heating water bucket, a square elbow A is fixedly arranged on the inner side of the water outlet A, a water outlet B is formed in one side of the normal-temperature water bucket, and a square elbow B is fixedly arranged on the inner side of the water outlet B. By arranging the processor, the display screen, the water temperature sensor, the heating water bucket, the normal-temperature water bucket, the annular constant-temperature electric heating piece, the square elbow A, the square elbow B, a flow control piece, a connecting frame, a threaded rod, a rotating column, a screwing piece and a dustproof cover, the cleaner has the functions of temperature display, constant-temperature heating, temperature adjustment, convenient use, dust prevention and the like.

The invention belongs to the technical field of refrigeration liquid storage devices, and particularly relates to a refrigeration liquid storage device convenient to clean. The refrigeration liquid storage device comprises a shell, an extruding device connected with the shell, and a cleaning device connected with the extruding device and used for cleaning the interior of the shell. The extruding device drives the cleaning device to move in the shell, the cleaning device cleans the interior of the shell in the moving process, the cleaning effect in the shell is better, the problem that impurities adhere to the interior of the shell can be effectively solved, and the wide application and promotion value is obtained; in order to achieve adjustment of the flow, the left-right horizontal position of a second partition plate is adjusted through a telescopic piece, the number of liquid discharging through holes exposed out of a first partition plate can be changed by changing the position ofthe second partition plate, and therefore adjustment of the flow is achieved, and the effect is better in the actual application process.