CN113623197A - Frequency conversion water pump - Google Patents
Frequency conversion water pump Download PDFInfo
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- CN113623197A CN113623197A CN202111039398.6A CN202111039398A CN113623197A CN 113623197 A CN113623197 A CN 113623197A CN 202111039398 A CN202111039398 A CN 202111039398A CN 113623197 A CN113623197 A CN 113623197A
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- rod
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- fixedly connected
- pipe
- flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a variable frequency water pump which comprises a water taking tank, a protection box and a flow control box, wherein the bottom surface of the water taking tank is in contact communication with the top end of a first downflow pipe, the bottom end of the first downflow pipe extends into the protection box, a variable pressure cylinder is arranged in the water taking tank, the left side surface of the variable pressure cylinder is in contact communication with the right end of a water taking pipe, the left end of the water taking pipe extends out of the left side surface of the water taking tank, a first rotating half shaft is arranged on the right side surface of the interior of the variable pressure cylinder, the bottom of the first rotating half shaft is connected with the top end of a rotating door, the rotating door can rotate around the first rotating half shaft, a side position hole is arranged on the right side surface of the variable pressure cylinder, the side position hole is located on the right side of the rotating door, the right side surface of the rotating door is fixedly connected with the left end of a driven rod, and an extending arm is fixed on the upper side surface of the middle part of the driven rod. The technical scheme disclosed by the invention effectively solves the technical problems that the prior art does not have mechanical water taking capability and cannot realize automatic drainage, flow stability control and the like, and is beneficial to popularization and application.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to a variable-frequency water pump.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.
The invention of the variable frequency water pump brings various conveniences to production and life of people, and the variable frequency water pump plays an important role in modern production and life. However, the existing variable frequency water pump often does not have the mechanical water taking capability and cannot realize the technical problems of automatic flow discharge, stable flow control and the like, so in view of the above, research and improvement are performed on the structure and the defects in the prior art, and a novel variable frequency water pump is provided, which can effectively solve the problems and is beneficial to the future popularization and application of the device.
Disclosure of Invention
The invention aims to provide a variable-frequency water pump to solve the technical problems that the prior art does not have mechanical water taking capability, cannot realize automatic flow discharge, flow stability control and the like.
In order to achieve the purpose, the invention provides a variable frequency water pump, which comprises a water taking tank, a protection box and a flow control box, wherein the bottom surface of the water taking tank is in contact communication with the top end of a first downpipe, the bottom end of the first downpipe extends into the protection box, a variable pressure cylinder is arranged in the water taking tank, the left side surface of the variable pressure cylinder is in contact communication with the right end of a water taking pipe, the left end of the water taking pipe extends out of the left side surface of the water taking tank, a first rotating half shaft is arranged on the right side surface in the variable pressure cylinder, the bottom of the first rotating half shaft is connected with the top end of a rotating door, the rotating door can rotate around the first rotating half shaft, a side position hole is arranged on the right side surface of the variable pressure cylinder, the right side surface of the rotating door is fixedly connected with the left end of a driven rod, an extending arm is fixed on the upper side surface of the middle part of the driven rod, the left side surface of the extending arm is fixedly connected with the right end of the second return spring, and the left end of the second return spring is fixedly connected with the right side surface of the outer portion of the variable pressure cylinder.
Get inside trailing flank of water tank and be provided with left position pivot, right position pivot, the left part of left position pivot be connected with the right-hand member of left position xarm, left position xarm can encircle left position pivot and rotate, the right part of right position pivot be connected with the left end of right position xarm, right position xarm can encircle right position pivot and rotate, the left part periphery of left position xarm and the interior circumference contact of first lantern ring, the bottom of first lantern ring and the top fixed connection of first longitudinal rod, the bottom of first longitudinal rod stretch into the inside of vary voltage jar, the bottom mounting of first longitudinal rod have a sealing piston, the right part periphery of left position xarm and the interior circumference contact of second lantern ring, the top of second lantern ring and the bottom fixed connection of left position longitudinal rod.
An electric cylinder is arranged in the water taking tank, an electric cylinder bottom plate is arranged at the bottom of the electric cylinder, an action rod is arranged at the top power output end of the electric cylinder, an upper cross rod is fixed at the top end of the action rod, the left end of the upper cross rod is fixedly connected with the top end of a left longitudinal rod, the right end of the upper cross rod is fixedly connected with the top end of a right longitudinal rod, the bottom end of the right longitudinal rod is fixedly connected with the top of a third lantern ring, the inner periphery of the third lantern ring is contacted with the left periphery of a right cross arm, the right periphery of the right cross arm is contacted with the inner periphery of a fourth lantern ring, the bottom of the fourth lantern ring is fixedly connected with the top end of a second longitudinal rod, the left side and the right side of the middle part of the second longitudinal rod are respectively contacted with a left limiting column and a right limiting column, and a first return spring is arranged at the bottom end of the second longitudinal rod, the bottom of the first return spring is provided with a triangular plate, and a left inclined plane of the triangular plate is in contact with the right end of the driven rod.
The inside of guard box be provided with the diversion room, the top surface of diversion room and the bottom contact intercommunication of first downpipe, the left surface of diversion room and the right-hand member contact intercommunication of flow measurement pipe, the left end of flow measurement pipe stretch out from the left surface of guard box, the left end of flow measurement pipe and the top contact intercommunication of second downpipe, the bottom of second downpipe stretch into the inside of accuse flow case, the downside of diversion room and the top surface contact intercommunication of a pressure sensing section of thick bamboo, the left and right sides of a pressure sensing section of thick bamboo respectively with left position earial drainage violently pipe, right position earial drainage violently pipe contact intercommunication, the inside of a pressure sensing section of thick bamboo be provided with the motion piston, the left end of the downside of motion piston be fixed with the left position gasket, the right-hand member of the downside of motion piston be fixed with the right gasket position, the middle part of the downside of motion piston be provided with fifth return spring, fifth return spring's bottom and the left end fixed connection of the side of going up of movable horizontal pole, the right-hand member of movable horizontal pole and the top fixed connection of movable vertical pole, the left surface of movable vertical pole and the right-hand member contact of stay bolt, the left end of stay bolt be fixed with the end piece, the middle part periphery of stay bolt cooperate through threaded connection with the inner periphery of nut, the bottom of nut and the right-hand member fixed connection of side position fixed plate, the inside left surface fixed connection of left end and pressure sensing section of thick bamboo of side position fixed plate.
The inside of guard box be provided with upper groove, upper groove's the portion of controlling of last side respectively with the bottom contact intercommunication of left position earial drainage vertical canal, right position earial drainage vertical canal, the top of left position earial drainage vertical canal and the left end contact intercommunication of left position earial drainage violently pipe, the top of right position earial drainage vertical canal and the right-hand member contact intercommunication of right position earial drainage violently pipe, the outside of upper groove about the side be provided with upper left auxiliary rod, upper right auxiliary rod respectively, the lower part of upper groove inner periphery and the upper portion periphery contact of lower recess, the outside of lower recess about the side be provided with left lower auxiliary rod, right lower auxiliary rod respectively, upper left auxiliary rod, left lower auxiliary rod between be provided with third return spring, upper right auxiliary rod, right lower right auxiliary rod between be provided with fourth return spring.
The flow control box is internally provided with a first bevel gear, the top surface of the first bevel gear is fixedly connected with the bottom end of a first transmission shaft, the top end of the first transmission shaft extends into the water outlet pipe, the top end of the first transmission shaft is provided with a follow-up impeller, the left part of the top surface of the water outlet pipe is communicated with the bottom end of a second downpipe, the right end of the water outlet pipe extends out of the right side surface of the flow control box, the right part of the first bevel gear is in contact engagement with the top of a second bevel gear, the right side surface of the second bevel gear is fixedly connected with the left end of a second transmission shaft, the right end of the second transmission shaft is provided with a third bevel gear, the rear part of the third bevel gear is in contact engagement with the left part of a fourth bevel gear, the rear side surface of the fourth bevel gear is fixedly provided with a follow-up turntable, and first permanent magnets, the follow-up turntable is arranged around the follow-up turntable, The second permanent magnet, the third permanent magnet and the fourth permanent magnet.
The inside of accuse flow box be provided with induction coil, induction coil be located follow-up turntable right-hand, induction coil's right flank be provided with first end piece, second end piece, first end piece, second end piece respectively through wire and winding coil's left surface electric connection, winding coil parcel in the middle part periphery of iron core, the iron core be provided with the fifth permanent magnet directly over, the bottom magnetism of fifth permanent magnet be the N utmost point, the top surface of fifth permanent magnet be fixed with the displacement plate, the middle part of displacement plate stretch into the inside of outlet pipe, the middle part of displacement plate be provided with the through-flow mouth, the top of displacement plate be provided with sixth return spring, the lower part of displacement plate and the interior week of sealing ring contact, the top surface of sealing ring and the downside contact of outlet pipe.
The electric cylinder, the long bolt, the follow-up impeller, the iron core and the like are all assembled by the existing equipment, and therefore specific models and specifications are not described repeatedly.
The invention has the beneficial effects that:
1. the components of the frequency conversion water pump are reliably connected, the detection and maintenance are very convenient, the realization cost is low, and the electric cylinder, the long bolt, the follow-up impeller, the iron core and the like which are involved in the equipment are all assembled by the existing equipment, so that the frequency conversion water pump is beneficial to popularization and application in the technical field of future water pumps;
2. the bottom surface of the water taking tank is in contact communication with the top end of a first down flow pipe, the bottom end of the first down flow pipe extends into the protection box, a variable pressure cylinder is arranged inside the water taking tank, the left side surface of the variable pressure cylinder is in contact communication with the right end of a water taking pipe, the left end of the water taking pipe extends out from the left side surface of the water taking tank, a first rotating half shaft is arranged on the right side surface inside the variable pressure cylinder, the bottom of the first rotating half shaft is connected with the top end of a rotating door, the rotating door can rotate around the first rotating half shaft, a side position hole is arranged on the right side surface of the variable pressure cylinder, the side position hole is arranged on the right side of the rotating door, and the right side surface of the rotating door is fixedly connected with the left end of a driven rod, an extension arm is fixed on the upper side surface of the middle part of the driven rod, the left side surface of the extension arm is fixedly connected with the right end of a second return spring, the left end of the second return spring is fixedly connected with the outer right side surface of the variable pressure cylinder, the rear side surface of the interior of the water taking tank is provided with a left rotating shaft and a right rotating shaft, the left part of the left rotating shaft is connected with the right end of a left cross arm, the left cross arm can rotate around the left rotating shaft, the right cross arm can rotate around the right rotating shaft, the outer periphery of the left part of the left cross arm is contacted with the inner periphery of a first lantern ring, the bottom of the first lantern ring is fixedly connected with the top end of a first longitudinal rod, the bottom end of the first longitudinal rod extends into the interior of the variable pressure cylinder, a sealing piston is fixed at the bottom end of the first longitudinal rod, the outer periphery of the right part of the left cross arm is contacted with the inner periphery of a second lantern ring, and the top of the second lantern ring is fixedly connected with the bottom end of the left longitudinal rod, an electric cylinder is arranged in the water taking tank, an electric cylinder bottom plate is arranged at the bottom of the electric cylinder, an action rod is arranged at the power output end at the top of the electric cylinder, an upper transverse rod is fixed at the top end of the action rod, the left end of the upper transverse rod is fixedly connected with the top end of a left longitudinal rod, the right end of the upper transverse rod is fixedly connected with the top end of a right longitudinal rod, the bottom end of the right longitudinal rod is fixedly connected with the top of a third lantern ring, the inner circumference of the third lantern ring is contacted with the left outer circumference of a right transverse arm, the right outer circumference of the right transverse arm is contacted with the inner circumference of a fourth lantern ring, the bottom of the fourth lantern ring is fixedly connected with the top end of a second longitudinal rod, the left side and the right side of the middle part of the second longitudinal rod are respectively contacted with a left limiting column and a right limiting column, and further, the electric cylinder works and outputs power through the action rod, when the action rod moves upwards, the upper transverse rod drives the left transverse rod to rotate clockwise through the left longitudinal rod, when the action rod moves downwards, on one hand, the upper cross rod drives the right cross arm to rotate clockwise through the right longitudinal rod, the fourth lantern ring drives the second longitudinal rod and the first return spring to move downwards, the triangular plate pushes the driven rod to move leftwards, the rotating door rotates anticlockwise to form an opening, on the other hand, the first lantern ring drives the first longitudinal rod and the sealing piston to move downwards, and water flow in the variable pressure cylinder is pushed to be discharged through the side position hole and then flows into the first down flow pipe;
3. the protection box is innovatively designed to realize automatic drainage function when pressure is too high, and equipment is prevented from being damaged when water flow pressure is too high, and particularly, a diversion chamber is arranged in the protection box, the top surface of the diversion chamber is in contact communication with the bottom end of a first downpipe, the left side surface of the diversion chamber is in contact communication with the right end of a flow measuring pipe, the left end of the flow measuring pipe extends out of the left side surface of the protection box, the left end of the flow measuring pipe is in contact communication with the top end of a second downpipe, the bottom end of the second downpipe extends into the flow control box, the lower side surface of the diversion chamber is in contact communication with the top surface of a pressure sensing cylinder, the left side surface and the right side surface of the pressure sensing cylinder are respectively in contact communication with a left drainage transverse pipe and a right drainage transverse pipe, a moving piston is arranged in the pressure sensing cylinder, the left end of a sealing sheet of the moving piston is fixed with a left position, and the right end of the lower side surface of the moving piston is fixed with a right position, the middle part of the lower side surface of the moving piston is provided with a fifth return spring, the bottom end of the fifth return spring is fixedly connected with the left end of the upper side surface of the movable cross rod, the right end of the movable cross rod is fixedly connected with the top end of the movable longitudinal rod, the left side surface of the movable longitudinal rod is contacted with the right end of the long bolt, the left end of the long bolt is fixedly provided with an end piece, the middle outer periphery of the long bolt is matched with the inner periphery of a nut through threaded connection, the bottom end of the nut is fixedly connected with the right end of a side fixing plate, the left end of the side fixing plate is fixedly connected with the inner left side surface of the pressure sensing cylinder, an upper groove is arranged inside the protection box, the left part and the right part of the upper side surface of the upper groove are respectively contacted and communicated with the bottom ends of the left-position leakage flow longitudinal pipe and the right-position leakage longitudinal pipe, the top end of the left-position leakage longitudinal pipe is contacted and communicated with the left end of the left-position leakage transverse pipe, and the top end of the right leakage transverse pipe is contacted and communicated with the right end of the right leakage transverse pipe, the left side and the right side of the outer part of the upper groove are respectively provided with an upper left auxiliary rod and an upper right auxiliary rod, the inner periphery of the lower part of the upper groove is contacted with the outer periphery of the upper part of the lower groove, the left side and the right side of the outer part of the lower groove are respectively provided with a lower left auxiliary rod and a lower right auxiliary rod, a third return spring is arranged between the upper left auxiliary rod and the lower left auxiliary rod, a fourth return spring is arranged between the upper right auxiliary rod and the lower right auxiliary rod, further, when the pressure of the water flow in the diversion chamber is overlarge, the water flow pushes the moving piston to move downwards after overcoming the spring force of the fifth return spring, further, the water flow flows out through the left drainage transverse pipe and the right drainage transverse pipe and flows into the space between the upper groove and the lower groove through the left drainage longitudinal pipe and the right drainage longitudinal pipe respectively, further, a first-stage pressure relief buffer effect is formed, and after the water flow between the upper groove and the lower groove is full, under the action of water flow pressure, the spring forces of the third return spring and the fourth return spring are overcome, so that the distance between the upper groove and the lower groove is increased, the space formed between the upper groove and the lower groove is larger, and a second-stage pressure relief buffering effect is formed;
4. the variable frequency water pump can realize a self-adaptive water flow stable control function based on the flow control box, and dynamically adjust the size of a flow cross section based on real-time flow, and particularly, the flow control box is internally provided with a first bevel gear, the top surface of the first bevel gear is fixedly connected with the bottom end of a first transmission shaft, the top end of the first transmission shaft extends into a water outlet pipe, the top end of the first transmission shaft is provided with a follow-up impeller, the left part of the top surface of the water outlet pipe is communicated with the bottom end of a second downpipe, the right end of the water outlet pipe extends out from the right side surface of the flow control box, the right part of the first bevel gear is in contact engagement with the top part of a second bevel gear, the right side surface of the second bevel gear is fixedly connected with the left end of a second transmission shaft, the right end of the second transmission shaft is provided with a third bevel gear, the rear part of the third bevel gear is in contact engagement with the left part of a fourth bevel gear, a follow-up turntable is fixed on the rear side surface of the fourth bevel gear, a first permanent magnet, a second permanent magnet, a third permanent magnet and a fourth permanent magnet are arranged around the follow-up turntable, an induction coil is arranged in the flow control box and positioned on the right side of the follow-up turntable, a first end plate and a second end plate are arranged on the right side surface of the induction coil, the first end plate and the second end plate are respectively and electrically connected with the left side surface of a winding coil through leads, the winding coil wraps the periphery of the middle part of an iron core, a fifth permanent magnet is arranged right above the iron core, the bottom end magnetism of the fifth permanent magnet is an N pole, a displacement plate is fixed on the top surface of the fifth permanent magnet, the middle part of the displacement plate extends into the water outlet pipe, a through hole is arranged in the middle part of the displacement plate, a sixth return spring is arranged on the top part of the displacement plate, the lower part of the displacement plate is contacted with the inner periphery of a sealing ring, and the top surface of the sealing ring is contacted with the lower side surface of the water outlet pipe, and then, when water flows through the water outlet pipe, the follow-up impeller is driven to rotate along with the water flow, the water flow moves to be transmitted to the third bevel gear through the first transmission shaft, the first bevel gear and the second transmission shaft, the fourth bevel gear drives the follow-up turntable to rotate, when the water flow velocity is higher, the induction current generated by the magnetic induction wire cutting induction coil of the first permanent magnet, the second permanent magnet, the third permanent magnet and the fourth permanent magnet is higher, the magnetic field attraction force generated by the winding coil wrapping iron core to the fifth permanent magnet is higher, the displacement of the displacement plate moving downwards against the spring force of the sixth return spring is higher, the flow cross section formed by the flow opening in the middle of the displacement plate in the water outlet pipe is smaller, and the flow stabilizing effect is further formed.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Drawings
FIG. 1 is a schematic diagram of an axial side projection structure of the overall structure of the device of the present invention.
Fig. 2 is a front view of the overall structure of the device of the present invention.
Fig. 3 is a left side view of the overall structure of the device of the present invention.
FIG. 4 is a schematic top view of the overall structure of the device of the present invention.
Fig. 5 is a schematic view of the internal structure of the water intake box according to the present invention.
Fig. 6 is a schematic view of the internal structure of the protection box according to the present invention.
Fig. 7 is a schematic view of the internal structure of the pressure-sensitive cartridge according to the present invention.
Fig. 8 is a schematic view of the internal structure of the flow control box according to the present invention.
Fig. 9 is a schematic view of the internal cross-sectional structure of the flow control box according to the present invention.
1. A water taking box, 2, a protective box, 3, a flow control box, 4, a water taking pipe, 5, a first down flow pipe, 6, a variable pressure cylinder, 7, a sealing piston, 8, a first longitudinal rod, 9, a first lantern ring, 10, a left cross arm, 11, a left rotating shaft, 12, a second lantern ring, 13, a left longitudinal rod, 14, an upper cross rod, 15, a right longitudinal rod, 16, a third lantern ring, 17, a right cross arm, 18, a right rotating shaft, 19, a fourth lantern ring, 20, a second longitudinal rod, 21, a left limiting column, 22, a right limiting column, 23, an action rod, 24, an electric cylinder, 25, an electric cylinder bottom plate, 26, a first return spring, 27, a triangular plate, 28, a driven rod, 29, an extending arm, 30, a second return spring, 31, a side hole, 32, a rotating door, 33, a first rotating shaft, 34, a rotating chamber, 35, a flow measuring pipe, 36, a second down flow pipe, 37, a pressure sensing cylinder, 38. a left-position flow-discharging transverse pipe, 39, a right-position flow-discharging transverse pipe, 40, a left-position flow-discharging longitudinal pipe, 41, a right-position flow-discharging longitudinal pipe, 42, an upper groove, 43, a lower groove, 44, an upper left auxiliary rod, 45, an upper right auxiliary rod, 46, a lower left auxiliary rod, 47, a lower right auxiliary rod, 48, a third return spring, 49, a fourth return spring, 50, a moving piston, 51, a left sealing plate, 52, a right sealing plate, 53, a fifth return spring, 54, a movable cross rod, 55, a movable longitudinal rod, 56, a long bolt, 57, an end plate, 58, a nut, 59, a side fixing plate, 60, a water outlet pipe, 61, a follow-up impeller, 62, a first transmission shaft, 63, a first bevel gear, 64, a second bevel gear, 65, a second transmission shaft, 66, a third bevel gear, 67, a fourth bevel gear, 68, a follow-up turntable, 69, a first permanent magnet, 70, a second permanent magnet, 71, a third permanent magnet, 72. fourth permanent magnet, 73, induction coil, 74, first end piece, 75, second end piece, 76, wire, 77, winding coil, 78, iron core, 79, fifth permanent magnet, 80, displacement plate, 81, through-flow opening, 82, sixth return spring, 83 and sealing ring.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 to 9, the variable frequency water pump provided by the invention comprises a water taking tank 1, a protection tank 2 and a flow control tank 3, wherein the bottom surface of the water taking tank 1 is in contact communication with the top end of a first downpipe 5, the bottom end of the first downpipe 5 extends into the protection tank 2, a variable pressure cylinder 6 is arranged inside the water taking tank 1, the left side surface of the variable pressure cylinder 6 is in contact communication with the right end of a water taking pipe 4, the left end of the water taking pipe 4 extends out from the left side surface of the water taking tank 1, a first rotating half shaft 33 is arranged on the right side surface inside the variable pressure cylinder 6, the bottom of the first rotating half shaft 33 is connected with the top end of a rotating door 32, the rotating door 32 can rotate around the first rotating half shaft 33, a side hole 31 is arranged on the right side surface of the variable pressure cylinder 6, the side hole 31 is arranged on the right side of the rotating door 32, the right side surface of the rotating door 32 is fixedly connected with the left end of a driven rod 28, an extending arm 29 is fixed on the upper side surface of the middle part of the driven rod 28, the left side surface of the extending arm 29 is fixedly connected with the right end of a second return spring 30, and the left end of the second return spring 30 is fixedly connected with the outer right side surface of the transformation cylinder 6.
Furthermore, the rear side surface of the interior of the water taking tank 1 is provided with a left rotating shaft 11 and a right rotating shaft 18, the left part of the left rotating shaft 11 is connected with the right end of a left cross arm 10, the left cross arm 10 can rotate around the left rotating shaft 11, the right part of the right rotating shaft 18 is connected with the left end of a right cross arm 17, the right cross arm 17 can rotate around the right rotating shaft 18, the outer periphery of the left part of the left transverse arm 10 is contacted with the inner periphery of a first collar 9, the bottom of the first collar 9 is fixedly connected with the top end of a first longitudinal rod 8, the bottom end of the first longitudinal rod 8 extends into the pressure changing cylinder 6, the bottom end of the first longitudinal rod 8 is fixed with a sealing piston 7, the outer periphery of the right part of the left transverse arm 10 is contacted with the inner periphery of a second lantern ring 12, and the top of the second lantern ring 12 is fixedly connected with the bottom end of a left longitudinal rod 13.
Furthermore, an electric cylinder 24 is arranged inside the water taking tank 1, an electric cylinder bottom plate 25 is arranged at the bottom of the electric cylinder 24, an action rod 23 is arranged at the top power output end of the electric cylinder 24, an upper cross rod 14 is fixed at the top end of the action rod 23, the left end of the upper cross rod 14 is fixedly connected with the top end of the left longitudinal rod 13, the right end of the upper cross rod 14 is fixedly connected with the top end of the right longitudinal rod 15, the bottom end of the right longitudinal rod 15 is fixedly connected with the top of a third lantern ring 16, the inner circumference of the third lantern ring 16 is in contact with the outer circumference of the left part of the right cross arm 17, the outer circumference of the right part of the right cross arm 17 is in contact with the inner circumference of a fourth lantern ring 19, the bottom of the fourth lantern ring 19 is fixedly connected with the top end of the second longitudinal rod 20, and the left and right sides of the middle part of the second longitudinal rod 20 are respectively in contact with the left limiting column 21, the left limiting column and the right limiting column 21, The right limiting column 22 is contacted, the bottom end of the second longitudinal rod 20 is provided with a first return spring 26, the bottom end of the first return spring 26 is provided with a triangular plate 27, and the left inclined surface of the triangular plate 27 is contacted with the right end of a driven rod 28. Furthermore, the device of the invention can realize the automatic water taking function mechanically, realize the quick and effective flexible water taking through the output of mechanical movement, reduce the realization cost while ensuring the water taking efficiency, the electric cylinder 24 works and outputs power through the action rod 23, when the action rod 23 moves upwards, the upper cross rod 14 drives the left cross arm 10 to rotate clockwise through the left longitudinal rod 13, the first lantern ring 9 pulls the first longitudinal rod 8 and the sealing piston 7 to move upwards, the pressure-variable cylinder 6 forms vacuum inside, water is taken from the outside through the water taking pipe 4, when the action rod 23 moves downwards, on one hand, the upper cross rod 14 drives the right cross arm 17 to rotate clockwise through the right longitudinal rod 15, the fourth lantern ring 19 drives the second longitudinal rod 20 and the first return spring 26 to move downwards, the triangular plate 27 pushes the driven rod 28 to move leftwards, the rotating door 32 rotates anticlockwise to form an opening, on the other hand, the first lantern ring 9 drives the first longitudinal rod 8 and the sealing piston 7 to move downwards, so that water flow in the pressure changing cylinder 6 is pushed to be discharged through the side hole 31 and then flows into the first down pipe 5.
Referring to fig. 1 to 9, further, a diversion chamber 34 is disposed inside the protection box 2, a top surface of the diversion chamber 34 is in contact communication with a bottom end of a first downpipe 5, a left side surface of the diversion chamber 34 is in contact communication with a right end of a flow-measuring pipe 35, a left end of the flow-measuring pipe 35 extends out from the left side surface of the protection box 2, a left end of the flow-measuring pipe 35 is in contact communication with a top end of a second downpipe 36, a bottom end of the second downpipe 36 extends into the flow-controlling box 3, a lower side surface of the diversion chamber 34 is in contact communication with a top surface of a pressure-sensing cylinder 37, left and right side surfaces of the pressure-sensing cylinder 37 are in contact communication with a left-position drainage cross-pipe 38 and a right-position drainage cross-pipe 39 respectively, a moving piston 50 is disposed inside the pressure-sensing cylinder 37, a left-position sealing sheet 51 is fixed to a left side surface of a lower side surface of the moving piston 50, a right-position sealing sheet 52 is fixed to a right side surface of the moving piston 50, the middle part of the downside of motion piston 50 be provided with fifth return spring 53, the bottom of fifth return spring 53 and the left end fixed connection of the last side of movable horizontal pole 54, the right-hand member of movable horizontal pole 54 and the top fixed connection of movable vertical pole 55, the left end of movable vertical pole 55 and the right-hand member contact of long bolt 56, the left end fixed end of long bolt 56 have an end piece 57, the middle part periphery of long bolt 56 and the interior week of nut 58 cooperate through threaded connection, the bottom of nut 58 and the right-hand member fixed connection of side position fixed plate 59, the left end of side position fixed plate 59 and the inside left side fixed connection of pressure sensing section of thick bamboo 37.
Further, an upper groove 42 is arranged inside the protection box 2, the left and right parts of the upper side surface of the upper groove 42 are respectively in contact communication with the bottom ends of a left drainage longitudinal pipe 40 and a right drainage longitudinal pipe 41, the top end of the left drainage longitudinal pipe 40 is in contact communication with the left end of a left drainage transverse pipe 38, the top end of the right drainage longitudinal pipe 41 is in contact communication with the right end of a right drainage transverse pipe 39, the left and right outer side surfaces of the upper groove 42 are respectively provided with a left upper auxiliary rod 44 and a right upper auxiliary rod 45, the inner periphery of the lower part of the upper groove 42 is in contact with the outer periphery of the upper part of a lower groove 43, the left and right outer side surfaces of the lower groove 43 are respectively provided with a left lower auxiliary rod 46 and a right lower auxiliary rod 47, a third return spring 48 is arranged between the left upper auxiliary rod 44 and the left lower auxiliary rod 46, the right upper auxiliary rod 45, the right auxiliary rod 41 and the right auxiliary rod 47, A fourth return spring 49 is provided between the lower right auxiliary lever 47. Furthermore, the device of the invention can realize automatic leakage action when the pressure is too high, so as to avoid damaging equipment when the pressure of water flow is too high, when the pressure of water flow in the diversion chamber 34 is too high, the water flow pushes the moving piston 50 to move downwards after overcoming the spring force of the fifth return spring 53, so that the water flow flows out through the left leakage flow transverse pipe 38 and the right leakage flow transverse pipe 39 and flows into the space between the upper groove 42 and the lower groove 43 through the left leakage flow longitudinal pipe 40 and the right leakage flow longitudinal pipe 41 respectively, so as to form a first-stage pressure relief buffer action, when the water flow between the upper groove 42 and the lower groove 43 is full, under the action of the water flow pressure, the spring force of the third return spring 48 and the fourth return spring 49 is overcome, so that the distance between the upper groove 42 and the lower groove 43 is increased, and the space formed between the upper groove 42 and the lower groove 43 is larger, thereby forming the pressure relief buffer function of the second stage.
Referring to fig. 1 to 9, further, a first bevel gear 63 is disposed inside the flow control box 3, a top surface of the first bevel gear 63 is fixedly connected to a bottom end of a first transmission shaft 62, a top end of the first transmission shaft 62 extends into an interior of the water outlet pipe 60, a top end of the first transmission shaft 62 is provided with a follower impeller 61, a left portion of the top surface of the water outlet pipe 60 is communicated with a bottom end of the second down pipe 36, a right end of the water outlet pipe 60 extends from a right side surface of the flow control box 3, a right portion of the first bevel gear 63 is in contact engagement with a top portion of a second bevel gear 64, a right side surface of the second bevel gear 64 is fixedly connected to a left end of a second transmission shaft 65, a right end of the second transmission shaft 65 is provided with a third bevel gear 66, a rear portion of the third bevel gear 66 is in contact engagement with a left portion of a fourth bevel gear 67, a rear side surface of the fourth bevel gear 67 is fixedly provided with a follower turntable 68, a first permanent magnet 69, a second permanent magnet 70, a third permanent magnet 71 and a fourth permanent magnet 72 are arranged around the follow-up turntable 68.
Further, the inside of flow control box 3 be provided with induction coil 73, induction coil 73 be located the right side of follow-up turntable 68, induction coil 73's right flank be provided with first end piece 74, second end piece 75, first end piece 74, second end piece 75 respectively through wire 76 and winding coil 77 left side electric connection, winding coil 77 parcel at the middle part periphery of iron core 78, be provided with fifth permanent magnet 79 directly over iron core 78, the bottom magnetism of fifth permanent magnet 79 be the N utmost point, the top surface of fifth permanent magnet 79 be fixed with displacement plate 80, the middle part of displacement plate 80 stretch into the inside of outlet pipe 60, the middle part of displacement plate 80 be provided with through-flow mouth 81, the top of displacement plate 80 be provided with sixth return spring 82, the lower part of displacement plate 80 and the interior circumference contact of sealing ring 83, the top surface of the sealing ring 83 is in contact with the lower side of the water outlet pipe 60. Furthermore, the device can realize the self-adaptive water flow stable control function, the size of the flow cross section is dynamically adjusted based on real-time flow, when water flows through the water outlet pipe 60, the water drives the follow-up impeller 61 to rotate along with the rotation, the motion is transmitted to the third bevel gear 66 through the first transmission shaft 62, the first bevel gear 63 and the second transmission shaft 65, the fourth bevel gear 67 drives the follow-up turntable 68 to rotate, when the water flow rate is higher, the induction current generated by the induction coil 73 cut by the magnetic induction lines of the first permanent magnet 69, the second permanent magnet 70, the third permanent magnet 71 and the fourth permanent magnet 72 is higher, the magnetic field attraction force generated by the iron core 78 wrapped by the winding coil 77 to the fifth permanent magnet 79 is higher, the displacement of the displacement plate 80 moving downwards against the spring force of the sixth return spring 82 is higher, the flow cross section formed by the flow port 81 in the water outlet pipe 60 in the middle part of the displacement plate 80 is smaller, thereby forming a steady flow effect.
The electric cylinder 24, the long bolt 56, the follower impeller 61, the iron core 78 and the like are all assembled by existing equipment, and therefore specific models and specifications are not described in detail.
The working principle of the invention is as follows:
the invention provides a variable frequency water pump which comprises a water taking tank 1, a protection box 2 and a flow control box 3, wherein the bottom surface of the water taking tank 1 is in contact communication with the top end of a first downpipe 5, the bottom end of the first downpipe 5 extends into the protection box 2, a variable pressure cylinder 6 is arranged in the water taking tank 1, the left side surface of the variable pressure cylinder 6 is in contact communication with the right end of a water taking pipe 4, the left end of the water taking pipe 4 extends out from the left side surface of the water taking tank 1, the right side surface in the variable pressure cylinder 6 is provided with a first rotating half shaft 33, the bottom of the first rotating half shaft 33 is connected with the top end of a rotating door 32, the rotating door 32 can rotate around the first rotating half shaft 33, the right side surface of the variable pressure cylinder 6 is provided with a side position hole 31, the side position hole 31 is positioned on the right side of the rotating door 32, the right side surface of the rotating door 32 is connected with the left side surface of a driven rod 28, an extension arm 29 is fixed on the upper side surface of the middle part of the driven rod 28, the left side surface of the extension arm 29 is fixedly connected with the right end of a second return spring 30, the left end of the second return spring 30 is fixedly connected with the right side surface of the outside of the pressure-changing cylinder 6, the rear side surface of the inside of the water taking tank 1 is provided with a left rotating shaft 11 and a right rotating shaft 18, the left part of the left rotating shaft 11 is connected with the right end of a left cross arm 10, the left cross arm 10 can rotate around the left rotating shaft 11, the right part of the right rotating shaft 18 is connected with the left end of a right cross arm 17, the right cross arm 17 can rotate around the right rotating shaft 18, the outer periphery of the left part of the left cross arm 10 is contacted with the inner periphery of a first collar 9, the bottom of the first collar 9 is fixedly connected with the top end of a first longitudinal rod 8, and the bottom end of the first longitudinal rod 8 extends into the inside of the pressure-changing cylinder 6, the bottom end of the first longitudinal rod 8 is fixed with a sealing piston 7, the right outer periphery of the left transverse arm 10 is in contact with the inner periphery of the second lantern ring 12, the top of the second lantern ring 12 is fixedly connected with the bottom end of the left longitudinal rod 13, the interior of the water taking tank 1 is provided with an electric cylinder 24, the bottom of the electric cylinder 24 is provided with an electric cylinder bottom plate 25, the top power output end of the electric cylinder 24 is provided with an action rod 23, the top end of the action rod 23 is fixed with an upper cross rod 14, the left end of the upper cross rod 14 is fixedly connected with the top end of the left longitudinal rod 13, the right end of the upper cross rod 14 is fixedly connected with the top end of the right longitudinal rod 15, the bottom end of the right longitudinal rod 15 is fixedly connected with the top of a third lantern ring 16, the inner periphery of the third lantern ring 16 is in contact with the left outer periphery of the right transverse arm 17, the right outer periphery of the right transverse arm 17 is in contact with the inner periphery of a fourth lantern ring 19, the bottom of the fourth lantern ring 19 is fixedly connected with the top end of a second longitudinal rod 20, the left side and the right side of the middle part of the second longitudinal rod 20 are respectively contacted with a left limiting column 21 and a right limiting column 22, further, the device can realize a mechanical automatic water taking function, quick and effective flexible water taking is realized through the output of mechanical motion, the realization cost is reduced while the water taking efficiency is ensured, the electric cylinder 24 works and outputs power through the action rod 23, when the action rod 23 moves upwards, the upper cross rod 14 drives the left cross arm 10 to rotate clockwise through the left longitudinal rod 13, the first lantern ring 9 pulls the first longitudinal rod 8 and the sealing piston 7 to move upwards, the inner part of the pressure changing cylinder 6 forms vacuum, water is taken from the outside through the water taking pipe 4, when the action rod 23 moves downwards, on one hand, the upper cross rod 14 drives the right cross arm 17 to rotate clockwise through the right longitudinal rod 15, the fourth lantern ring 19 drives the second longitudinal rod 20 and the first return spring 26 to move downwards, the triangular plate 27 pushes the driven rod 28 to move leftwards, the rotating door 32 rotates anticlockwise to form an opening, on the other hand, the first lantern ring 9 drives the first longitudinal rod 8 and the sealing piston 7 to move downwards, and water inside the pressure changing cylinder 6 is pushed to flow into the first down pipe 5 to be discharged through the lateral hole 31.
The inside of guard box 2 be provided with diversion chamber 34, the top surface of diversion chamber 34 and the bottom contact intercommunication of first downpipe 5, the left surface of diversion chamber 34 and the right-hand member contact intercommunication of flow-measuring pipe 35, the left end of flow-measuring pipe 35 stretch out from the left surface of guard box 2, the left end of flow-measuring pipe 35 and the top contact intercommunication of second downpipe 36, the bottom of second downpipe 36 stretch into the inside of accuse case 3, the downside of diversion chamber 34 and the top surface contact intercommunication of pressure sensing cylinder 37, the left and right sides of pressure sensing cylinder 37 respectively with left position horizontal discharge pipe 38, right position horizontal discharge pipe 39 contact intercommunication, the inside of pressure sensing cylinder 37 be provided with motion piston 50, the left end of the motion piston 50's gasket downside be fixed with left position 51, the right end of motion piston 50's downside be fixed with right position 52, the middle part of the lower side surface of the moving piston 50 is provided with a fifth return spring 53, the bottom end of the fifth return spring 53 is fixedly connected with the left end of the upper side surface of the movable cross rod 54, the right end of the movable cross rod 54 is fixedly connected with the top end of the movable longitudinal rod 55, the left side surface of the movable longitudinal rod 55 is contacted with the right end of a long bolt 56, the left end of the long bolt 56 is fixedly provided with an end piece 57, the middle outer periphery of the long bolt 56 is matched with the inner periphery of a nut 58 through threaded connection, the bottom end of the nut 58 is fixedly connected with the right end of a side fixing plate 59, the left end of the side fixing plate 59 is fixedly connected with the inner left side surface of the pressure sensing cylinder 37, the inside of the protection box 2 is provided with an upper groove 42, the left part and the right part of the upper side surface of the upper groove 42 are respectively communicated with the bottom ends of a left-position leakage longitudinal pipe 40 and a right-position leakage longitudinal pipe 41 in a contacting manner, the top end of the left-position leakage longitudinal pipe 40 is in contact communication with the left end of the left-position leakage transverse pipe 38, the top end of the right-position leakage longitudinal pipe 41 is in contact communication with the right end of the right-position leakage transverse pipe 39, the left and right side surfaces outside the upper groove 42 are respectively provided with a left upper auxiliary rod 44 and a right upper auxiliary rod 45, the inner periphery of the lower part of the upper groove 42 is in contact with the outer periphery of the upper part of the lower groove 43, the left and right side surfaces outside the lower groove 43 are respectively provided with a left lower auxiliary rod 46 and a right lower auxiliary rod 47, a third return spring 48 is arranged between the left upper auxiliary rod 44 and the left lower auxiliary rod 46, further, the device can realize automatic leakage when the pressure is too high, the device is prevented from being damaged when the pressure of water flow is too high, when the pressure of water flow in the diversion chamber 34 is too high, the water flow pushes the moving piston 50 to overcome the spring force of the fifth return spring 53 and then moves downwards, and then the rivers flow out through horizontal pipe 38 of left level earial drainage, horizontal pipe 39 of right level earial drainage, and flow into between upper groove 42 and the lower recess 43 through vertical pipe 40 of left level earial drainage, vertical pipe 41 of right level earial drainage respectively, and then form the pressure release cushioning effect of first level, after the rivers between upper groove 42 and the lower recess 43 are full of, under the effect of rivers pressure, overcome third return spring 48, fourth return spring 49 spring force, make the distance between upper groove 42 and the lower recess 43 increase, and then the space that forms between upper groove 42 and the lower recess 43 is bigger, and then form the pressure release cushioning effect of second level.
The inside of the flow control box 3 is provided with a first bevel gear 63, the top surface of the first bevel gear 63 is fixedly connected with the bottom end of a first transmission shaft 62, the top end of the first transmission shaft 62 extends into the water outlet pipe 60, the top end of the first transmission shaft 62 is provided with a follower impeller 61, the left part of the top surface of the water outlet pipe 60 is communicated with the bottom end of a second down flow pipe 36, the right end of the water outlet pipe 60 extends out from the right side surface of the flow control box 3, the right part of the first bevel gear 63 is in contact engagement with the top of a second bevel gear 64, the right side surface of the second bevel gear 64 is fixedly connected with the left end of a second transmission shaft 65, the right end of the second transmission shaft 65 is provided with a third bevel gear 66, the rear part of the third bevel gear 66 is in contact engagement with the left part of a fourth bevel gear 67, the rear side surface of the fourth bevel gear 67 is fixedly provided with a follower turntable 68, a first permanent magnet 69, a second permanent magnet 70, a third permanent magnet 71 and a fourth permanent magnet 72 are arranged around the follow-up turntable 68, an induction coil 73 is arranged in the flow control box 3, the induction coil 73 is positioned at the right side of the follow-up turntable 68, a first end plate 74 and a second end plate 75 are arranged on the right side surface of the induction coil 73, the first end plate 74 and the second end plate 75 are respectively and electrically connected with the left side surface of a winding coil 77 through a lead 76, the winding coil 77 is wrapped on the periphery of the middle part of an iron core 78, a fifth permanent magnet 79 is arranged right above the iron core 78, the bottom magnetism of the fifth permanent magnet 79 is an N pole, a displacement plate 80 is fixed on the top surface of the fifth permanent magnet 79, the middle part of the displacement plate 80 extends into the water outlet pipe 60, a flow opening 81 is arranged in the middle part of the displacement plate 80, the top of the displacement plate 80 is provided with a sixth return spring 82, the lower part of the displacement plate 80 is in contact with the inner circumference of a sealing ring 83, further, the device can realize the function of self-adaptive water flow stable control, dynamic flow cross section size adjustment is carried out based on real-time flow, when water flows through the water outlet pipe 60, the water drives the following impeller 61 to rotate along with the rotation, the water moves to be transmitted to the third bevel gear 66 through the first transmission shaft 62, the first bevel gear 63 and the second transmission shaft 65, the fourth bevel gear 67 drives the following turntable 68 to rotate, when the water flow rate is larger, the induced current generated by the magnetic induction wire cutting induction coils 73 of the first permanent magnet 69, the second permanent magnet 70, the third permanent magnet 71 and the fourth permanent magnet 72 is larger, and further, the magnetic field attraction force generated by the winding coil 77 wrapping the iron core 78 to the fifth permanent magnet 79 is larger, the displacement amount of the displacement plate 80 moving downwards against the spring force of the sixth return spring 82 is larger, the smaller the flow cross section formed by the flow opening 81 in the middle of the displacement plate 80 inside the water outlet pipe 60, the more the flow stabilizing effect is formed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The variable frequency water pump is characterized by comprising a water taking tank (1), a protection box (2) and a flow control box (3), wherein the bottom surface of the water taking tank (1) is communicated with the top end of a first downpipe (5) in a contact manner, the bottom end of the first downpipe (5) extends into the protection box (2), a variable pressure cylinder (6) is arranged inside the water taking tank (1), the left side surface of the variable pressure cylinder (6) is communicated with the right end of a water taking pipe (4) in a contact manner, the left end of the water taking pipe (4) extends out from the left side surface of the water taking tank (1), a first rotating half shaft (33) is arranged on the right side surface inside the variable pressure cylinder (6), the bottom of the first rotating half shaft (33) is connected with the top end of a rotating door (32), the rotating door (32) can rotate around the first rotating half shaft (33), a side position hole (31) is formed in the right side surface of the variable pressure cylinder (6), side position hole (31) be located the right side of rotating door (32), the right flank of rotating door (32) and the left end fixed connection of passive pole (28), the middle part of passive pole (28) on the side be fixed with cantilever arm (29), the left surface of cantilever arm (29) and the right-hand member fixed connection of second return spring (30), the left end of second return spring (30) and the outside right flank fixed connection of variable pressure jar (6).
2. The variable-frequency water pump according to claim 1, characterized in that: the rear side surface of the interior of the water taking tank (1) is provided with a left rotating shaft (11) and a right rotating shaft (18), the left part of the left rotating shaft (11) is connected with the right end of a left cross arm (10), the left cross arm (10) can rotate around the left rotating shaft (11), the right part of the right rotating shaft (18) is connected with the left end of a right cross arm (17), the right cross arm (17) can rotate around the right rotating shaft (18), the outer periphery of the left portion of the left cross arm (10) is in contact with the inner periphery of a first lantern ring (9), the bottom of the first lantern ring (9) is fixedly connected with the top end of a first longitudinal rod (8), the bottom end of the first longitudinal rod (8) extends into the interior of a pressure cylinder (6), a sealing piston (7) is fixed at the bottom end of the first longitudinal rod (8), and the outer periphery of the right portion of the left cross arm (10) is in contact with the inner periphery of a second lantern ring (12), the top of the second lantern ring (12) is fixedly connected with the bottom end of the left longitudinal rod (13).
3. The variable-frequency water pump according to claim 1, characterized in that: the water taking tank (1) is internally provided with an electric cylinder (24), the bottom of the electric cylinder (24) is provided with an electric cylinder bottom plate (25), the top power output end of the electric cylinder (24) is provided with an action rod (23), the top end of the action rod (23) is fixed with an upper cross rod (14), the left end of the upper cross rod (14) is fixedly connected with the top end of a left longitudinal rod (13), the right end of the upper cross rod (14) is fixedly connected with the top end of a right longitudinal rod (15), the bottom end of the right longitudinal rod (15) is fixedly connected with the top of a third lantern ring (16), the inner periphery of the third lantern ring (16) is in contact with the outer periphery of the left part of a right cross arm (17), the outer periphery of the right part of the right cross arm (17) is in contact with the inner periphery of a fourth lantern ring (19), and the bottom of the fourth lantern ring (19) is fixedly connected with the top end of a second longitudinal rod (20), the left and right sides at the middle part of second longitudinal rod (20) respectively with left position restriction post (21), right position restriction post (22) contact, the bottom of second longitudinal rod (20) be provided with first return spring (26), the bottom of first return spring (26) be provided with set-square (27), the left inclined plane of set-square (27) and the right-hand member contact of passive pole (28).
4. The variable-frequency water pump according to claim 1, characterized in that: the inside of guard box (2) be provided with diversion chamber (34), the top surface of diversion chamber (34) and the bottom contact intercommunication of first downpipe (5), the left surface of diversion chamber (34) and the right-hand member contact intercommunication of flow-measuring pipe (35), the left end of flow-measuring pipe (35) stretch out from the left surface of guard box (2), the left end of flow-measuring pipe (35) and the top contact intercommunication of second downpipe (36), the bottom of second downpipe (36) stretch into the inside of accuse flow case (3), the downside of diversion chamber (34) and the top contact intercommunication of pressure sensing section of thick bamboo (37), the left and right sides of pressure sensing section of thick bamboo (37) respectively with left position earial drainage violently pipe (38), right position earial drainage violently pipe (39) contact intercommunication, the inside of pressure sensing section of thick bamboo (37) be provided with motion piston (50), the left side of the downside of motion piston (50) fixed with left position gasket (51), a right sealing sheet (52) is fixed at the right end of the lower side surface of the moving piston (50), a fifth return spring (53) is arranged in the middle of the lower side surface of the moving piston (50), the bottom end of the fifth return spring (53) is fixedly connected with the left end of the upper side surface of the movable cross bar (54), the right end of the movable cross bar (54) is fixedly connected with the top end of the movable vertical bar (55), the left side surface of the movable vertical rod (55) is contacted with the right end of the long bolt (56), an end piece (57) is fixed at the left end of the long bolt (56), the outer periphery of the middle part of the long bolt (56) is matched with the inner periphery of the nut (58) through threaded connection, the bottom end of the nut (58) is fixedly connected with the right end of the side position fixing plate (59), the left end of the lateral position fixing plate (59) is fixedly connected with the left side surface of the interior of the pressure sensing cylinder (37).
5. The variable-frequency water pump according to claim 1, characterized in that: the inside of guard box (2) be provided with upper groove (42), the upper groove (42) about the side of going up respectively with the bottom contact intercommunication of left position earial drainage vertical canal (40), right position earial drainage vertical canal (41), the top of left position earial drainage vertical canal (40) with the left end contact intercommunication of left position earial drainage violently pipe (38), the top of right position earial drainage vertical canal (41) with the right-hand member contact intercommunication of right position earial drainage violently pipe (39), the outside about the side of upper groove (42) be provided with upper left auxiliary rod (44), upper right auxiliary rod (45) respectively, the lower part inner periphery of upper groove (42) contact with the upper portion periphery of lower position recess (43), the outside about the side of lower position recess (43) be provided with lower left auxiliary rod (46), lower right auxiliary rod (47) respectively, upper left auxiliary rod (44), A third return spring (48) is arranged between the lower left auxiliary rod (46), and a fourth return spring (49) is arranged between the upper right auxiliary rod (45) and the lower right auxiliary rod (47).
6. The variable-frequency water pump according to claim 1, characterized in that: the flow control box (3) is internally provided with a first bevel gear (63), the top surface of the first bevel gear (63) is fixedly connected with the bottom end of a first transmission shaft (62), the top end of the first transmission shaft (62) extends into a water outlet pipe (60), the top end of the first transmission shaft (62) is provided with a follow-up impeller (61), the left part of the top surface of the water outlet pipe (60) is communicated with the bottom end of a second downpipe (36), the right end of the water outlet pipe (60) extends out from the right side surface of the flow control box (3), the right part of the first bevel gear (63) is in contact engagement with the top of a second bevel gear (64), the right side surface of the second bevel gear (64) is fixedly connected with the left end of a second transmission shaft (65), the right end of the second transmission shaft (65) is provided with a third bevel gear (66), and the rear part of the third bevel gear (66) is in contact engagement with the left part of a fourth bevel gear (67), a follow-up turntable (68) is fixed on the rear side surface of the fourth bevel gear (67), and a first permanent magnet (69), a second permanent magnet (70), a third permanent magnet (71) and a fourth permanent magnet (72) are arranged on the periphery of the follow-up turntable (68).
7. The variable-frequency water pump according to claim 1, characterized in that: the inside of accuse flow box (3) be provided with induction coil (73), induction coil (73) be located follow-up turntable (68) right-hand, induction coil (73) the right flank be provided with first end piece (74), second end piece (75), first end piece (74), second end piece (75) respectively through wire (76) and the left surface electric connection of winding coil (77), winding coil (77) parcel in the middle part periphery of iron core (78), iron core (78) be provided with fifth permanent magnet (79) directly over, the bottom magnetism of fifth permanent magnet (79) be the N utmost point, the top surface of fifth permanent magnet (79) be fixed with displacement plate (80), the middle part of displacement plate (80) stretch into the inside of outlet pipe (60), the middle part of displacement plate (80) be provided with through-flow mouth (81), the top of displacement board (80) be provided with sixth return spring (82), the lower part of displacement board (80) and the interior circumference contact of sealing ring (83), the top surface of sealing ring (83) and the downside contact of outlet pipe (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039398.6A CN113623197B (en) | 2021-09-06 | 2021-09-06 | Variable-frequency water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039398.6A CN113623197B (en) | 2021-09-06 | 2021-09-06 | Variable-frequency water pump |
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Cited By (1)
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| CN113623197B (en) | 2023-09-01 |
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Effective date of registration: 20230727 Address after: No. 27, hongjiashe, Dongtang village, Renhe street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: HANGZHOU WODE WATER PUMP MANUFACTURE Co.,Ltd. Address before: 716000 room 1-901, Yulong Huating, Baimi Avenue, Baota District, Yan'an City, Shaanxi Province Applicant before: Xie Xiongwei |
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