CN105927552B - A kind of water pump for drainage - Google Patents

A kind of water pump for drainage Download PDF

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Publication number
CN105927552B
CN105927552B CN201610308688.9A CN201610308688A CN105927552B CN 105927552 B CN105927552 B CN 105927552B CN 201610308688 A CN201610308688 A CN 201610308688A CN 105927552 B CN105927552 B CN 105927552B
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China
Prior art keywords
water
water flow
filter screen
sensing unit
chamber
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Application number
CN201610308688.9A
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Chinese (zh)
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CN105927552A (en
Inventor
罗卫华
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Beide Technology Group Co.,Ltd.
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Bader Technology Co Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088Testing machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/106Shaft sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/12Shaft sealings using sealing-rings
    • F04D29/126Shaft sealings using sealing-rings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2261Rotors specially for centrifugal pumps with special measures
    • F04D29/2288Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • F04D29/445Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Present invention mainly discloses a kind of water pumps for drainage, its technical solution: including the pump housing, motor, impeller, inlet and outlet, the pump housing includes blowdown chamber, driving chamber and fueling cavity, blowdown chamber, it is mutually isolated between driving chamber and fueling cavity, filter screen and at least twice water stream channel are equipped between water inlet and blowdown chamber, cleaning device and impurity collection device are connected on filter screen, inlet valve and the first water flow sensing unit are equipped in water stream channel, water outlet is equipped with the second water flow sensing unit, blowdown chamber is respectively arranged on the left side and the right side the first deflector and the second deflector, crushing wheel is connected on machine shaft.The danger of present invention reduction leak; extend the service life of water pump; the impurity in sewage is reduced by filter screen and crushing wheel; avoid blocking blowdown chamber and impeller; improve the service life of motor; it carries out improving the comprehensive performance of water pump without water conservation by the first water flow sensing unit and the second water flow sensing unit.

Description

A kind of water pump for drainage
Technical field
The present invention relates to a kind of water pumps for drainage.
Background technique
Dredge pump is a kind of water pump for conveying sewage, compact-sized, occupied area is small, convenient to install and maintain, row Dirt pump is due to pump and motor coaxle, and axis is short, and rotatable parts are light-weight, therefore the load (radial direction) born on bearing is relatively small, Service life is more much longer than generally pumping.Dredge pump, which has, can transport the liquid containing rigid solid, fibre object, and especially dirty, viscous The characteristics of with sliding liquid, thus be widely used mine, papermaking, printing and dyeing, environmental protection, oil refining, petroleum, chemical industry, farm, In the sewage treatment in the fields such as dyeization, food, chemical fertilizer, mire.
As the content of solid matter and fiber is higher and higher in sewage, the anti-clogging of water pump in drainage is wanted Ask also higher and higher, the isolation between dredge pump driving chamber and drainage cavity in the prior art is not strong, the motor in driving chamber Not only will receive the pressure of diving depth, more have the danger into water, motor is caused to burn, reduce dredge pump service life and Utilization rate, dredge pump is in draining-off sewage, due in sewage entrainment of a large amount of granule foreign, strip impurity etc., once this A little impurity enter in blowdown chamber, and meeting frequent jams impeller causes motor overload, burns out motor, and needing often to stop work, it is clear to carry out It is stifled, the efficiency of blowdown is reduced, and block clearing requires to expend a large amount of human and material resources and time every time, while often dismantling the pump housing Also it be easy to cause the abrasion of the components such as pump choma to aggravate, reduces the service life of water pump;In addition, existing water pump is for anhydrous The design structure of protection is extremely unreasonable, lacks anhydrous protective device, and due to working under water, people can not better understand water pump To the working condition of water pump, during the work time, once water not can enter in the pump housing in pipeline, then water pump forms vacuum state, If water pump is still working on without stopping, very big friction is generated between the mechanical seal rotor and fixed body in water pump Power, causes damage parts in water pump, and the automatic work performance for not only affecting pump plays, and increase the maintenance of water pump at This, reduces the service life of components.
Summary of the invention
It is an object of the invention to be directed to many deficiencies of the prior art, a kind of water pump for drainage is provided, it will Blowdown chamber, driving chamber and fueling cavity are mutually isolated, reduce the danger of leak, extend the service life of water pump, will by filter screen Large particulate matter in sewage forecloses, while crushing wheel being recycled further to crush the impurity in sewage, reduces sewage In impurity, avoid blocking blowdown chamber and impeller, improve the service life of motor, avoid motor overload, pass through the first water flow and pass Sensor and the second water flow sensing unit carry out water pump to improve the comprehensive performance of water pump without water conservation.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of water pump for drainage, including the pump housing, motor, impeller, inlet and outlet, motor include fixed Son, rotor and shaft, shaft are fixedly connected with impeller, and the pump housing includes blowdown chamber, driving chamber and fueling cavity, blowdown chamber, driving chamber Mutually isolated between fueling cavity, inlet and outlet are connected to blowdown chamber respectively, are equipped between water inlet and blowdown chamber Strainer and at least twice water stream channel, filter screen are located at the front side of water stream channel, are connected with cleaning device, filter screen on filter screen Lower section be equipped with impurity collection device, inlet valve and the first water flow sensing unit are equipped in water stream channel, water outlet is equipped with second Water flow sensing unit, blowdown chamber are respectively arranged on the left side and the right side the first deflector and the second deflector, are connected with crushing wheel in shaft, Crushing wheel is located at the front side of impeller.Mutually isolated setting between blowdown chamber, driving chamber and fueling cavity, avoids water flow from blowdown chamber Driving chamber and fueling cavity are entered, so that the part in driving chamber and fueling cavity be made to be contaminated and destroy, reduces making for water pump With the service life, increase maintenance cost;The sewage being passed through from water inlet is filtered by the filter screen of setting, removes big in sewage Grain substance, avoids the impurity in sewage from entering in blowdown chamber, is wrapped on impeller the using effect for influencing impeller and uses the longevity Life, at least twice water stream channel of setting enters water stream in blowdown chamber, when wherein any one water stream channel is blocked When plug, another water stream channel remains to work normally, and improves the utilization rate of water pump;The cleaning device of setting will be adhered to filter screen On impurity clear up, avoid blocking filter screen, improve filter effect, the impurity collection device of setting is used to collect to be filtered The large granular impurity intercepted is netted, impurity siltation is avoided to block water inlet in water inlet;Water pump is controlled by inlet valve Flooded condition, the flow velocity and flow of water flow are detected by the first water flow sensing unit and the second water flow sensing unit, when the first water When flow sensor does not sense that water flow passes through, just controls motor and stop working, prevent motor idle running from causing motor inner body Damage, reduce the working performance and service life of motor, increase maintenance cost;When the first water flow sensing unit senses water flow velocity When spending smaller, then the inlet valve controlled in other water stream channels is closed, and the water stream channel of part is closed, and it is logical to reduce available water flow Road, while increasing the running speed of motor, accelerate drainage speed and displacement, improves working efficiency;When the first water flow sensing unit When sensing that water velocity is larger, then inlet valve is according to circumstances opened, increase the quantity of available water stream channel, while reducing electricity The running speed of machine reduces the energy consumption of water pump;When the first water flow sensing unit has sensed that water does not have by the second water flow sensing unit It senses water flow, then illustrates that blowdown chamber is blocked, just control motor and stop working, and carry out block clearing processing.Pass through first Deflector and the second deflector will enter the smooth guide water outlet of sewage in blowdown chamber, while reduce resistance to water-flow, accelerate stream Speed improves drainage speed;The crushing wheel of setting handles the sewage for reaching blowdown chamber by filter screen again, crushes sewage In the impurity that is not filtered, avoid blocking blowdown chamber and impeller, reduce the working efficiency and drainage efficiency of motor.
Further, cleaning device is symmetricly set on the left and right sides of filter screen, cleaning device include driver, drive rod and Cleaning brush, pump body are equipped with groove, and driver is mounted in groove, and cleaning brush is connect by drive rod with driver, clean It paints and is equipped with bristle positioned at the front side of filter screen.Driver starts cleaning brush by drive rod and swipes cleaning on filter screen, will The large particulate matter being covered on filter screen is cleared up from filter screen, is prevented blocking filter screen, is kept the filtering of filter screen Effect increases the service life of filter screen.
Further, impurity collection device includes collecting box and fixed part, and fixed part is equipped with threaded hole, is equipped in threaded hole Bolt, collecting box are connect by bolt with the pump housing.The substance of being cleared up cleaning device from filter screen by collecting box or The collecting material of self precipitating gets up, and avoids being deposited on water inlet and goes out to block water inlet, by fixed part by collecting box and the pump housing It connects, the bolt on fixed part makes collecting box be connected firmly with the pump housing, is not easy to shake, while convenient disassembly, is convenient to clean collection Case.
Further, helix and diversion trench, the spiral shell on the first deflector are equipped on the first deflector and the second deflector The hand of spiral of spin line and the helix on the second deflector is on the contrary, be equipped with active carbon in diversion trench.Positioned at water outlet side The positive threaded line of second deflector setting, guides sewage into water outlet from water inlet, positioned at the second of water outlet opposition side Reversed threaded line is arranged in deflector, guides sewage into water outlet from water inlet, water flow is flowed along diversion trench, improves flowing Speed, bacterium that the active carbon of setting is used to go to contain in water removal, peculiar smell are heterochromatic etc., purify sewage.
Further, the outer circumferential of crushing wheel is uniformly provided with crushing vane, and the centre of crushing wheel is equipped with axis hole, and shaft passes through Axis hole is threadedly coupled or snaps connection with crushing wheel.It is by multiple crushing vanes that the impurity in sewage by filtering is further A possibility that being crushed, impurity become more tiny, reducing blocking;It is connected through a screw thread and snaps connection, increase connection Diversity, structure is simple, convenient for the disassembly of crushing wheel, is convenient for replacing and clean, improve service efficiency.
Further, sealing device, driving chamber are equipped between blowdown chamber and driving chamber and between driving chamber and fueling cavity It is interior to be equipped with water leak detectors, it is equipped with oil leakage detector in fueling cavity, water-leakage alarm and oil leakage alarm, leakage are equipped on the outside of the pump housing Water alarm and oil leakage alarm are connect with water leak detectors and oil leakage detector respectively.It by blowdown chamber and is driven by sealing device It is mutually isolated between driving chamber and fueling cavity between dynamic chamber, guarantee leakproofness, water flow is avoided to enter driving chamber and fueling cavity It is interior, the damage parts in driving chamber and fueling cavity are caused, are reduced the service life;The water leak detectors of setting are used to detect driving chamber Interior water leakage situation, once water leak detectors detect water leakage situation, water-leakage alarm carries out water leakage alarm immediately;The leakage of setting Oily detector is used to detect the oil leak situation in fueling cavity, once oil leakage detector detects generation oil leakage phenomenon, oil leakage alarm Device is protected and is reminded by leak, the oil leak to water pump, improve the safety in utilization of water pump with regard to carrying out oil leakage alarm immediately And reliability.
Further, sealing device includes sealing axle sleeve and sealing ring, and sealing axle sleeve is arranged in shaft, and sealing ring setting exists Between sealing axle sleeve and shaft.It is isolated by sealing axle sleeve and sealing ring between blowdown chamber, driving chamber and fueling cavity, The dual-seal component of setting plays dual sealing functions, improves sealing performance.
Further, the lower section of the pump housing is equipped with pedestal, and pedestal is equipped with resilient cushion and silencing pad.The pedestal of setting is used to fix The pump housing improves the stability of water pump, even if remaining to securely fix under rugged environment, improves security performance, avoids water flow To the impact of pump housing generation so that pump housing generation offset and shaking, cause emptying effectiveness to reduce when larger, the resilient cushion of setting is used To reduce, power when motor rotates is excessive and generates vibration;The silencing pad of setting is used to the noise generated when eliminating pump working, Reduce noise pollution.
The present invention is by adopting the above-described technical solution, have the advantages that
1, mutually isolated setting between blowdown chamber, driving chamber and fueling cavity avoids water flow from blowdown chamber and enters driving Chamber and fueling cavity reduce the service life of water pump so that the part in driving chamber and fueling cavity be made to be contaminated and destroy, and increase Maintenance cost;
2, the sewage being passed through from water inlet is filtered by the filter screen being arranged, and is removed the large particulate matter in sewage, is kept away The impurity exempted from sewage enters in blowdown chamber, and being wrapped on impeller influences the using effect and service life of impeller, setting Cleaning device clears up the impurity being adhered on filter screen, avoids blocking filter screen, improves filter effect, the impurity of setting Collection device is used to collect the large granular impurity intercepted by filter screen, avoids impurity siltation from blocking in water inlet and intakes Mouthful;
3, at least twice water stream channel being arranged, enters water stream in blowdown chamber, when wherein any one water flow When channel jam, another water stream channel remains to work normally, and improves the utilization rate of water pump;Water pump is controlled by inlet valve Flooded condition, the flow velocity and flow of water flow are detected by the first water flow sensing unit and the second water flow sensing unit, when the first water When flow sensor does not sense that water flow passes through, just controls motor and stop working, prevent motor idle running from causing motor inner body Damage, reduce the working performance and service life of motor, increase maintenance cost;When the first water flow sensing unit senses water flow velocity When spending smaller, then the inlet valve controlled in other water stream channels is closed, and the water stream channel of part is closed, and it is logical to reduce available water flow Road, while increasing the running speed of motor, accelerate drainage speed and displacement, improves working efficiency;When the first water flow sensing unit When sensing that water velocity is larger, then inlet valve is according to circumstances opened, increase the quantity of available water stream channel, while reducing electricity The running speed of machine reduces the energy consumption of water pump;When the first water flow sensing unit has sensed that water does not have by the second water flow sensing unit It senses water flow, then illustrates that blowdown chamber is blocked, just control motor and stop working, and carry out block clearing processing;
4, the smooth guide water outlet of sewage in blowdown chamber will be entered by the first deflector and the second deflector, subtracted simultaneously Few resistance to water-flow, accelerates flow velocity, improves drainage speed;The crushing wheel of setting will reach the sewage of blowdown chamber again by filter screen It is handled, crushes the impurity not filtered in sewage, avoided blocking blowdown chamber and impeller, reduce working efficiency and the row of motor Water efficiency.
The present invention is mutually isolated by blowdown chamber, driving chamber and fueling cavity, reduces the danger of leak, and extend water pump uses the longevity Life, is foreclosed the large particulate matter in sewage by filter screen, while recycling crushing wheel by the impurity in sewage into one Step crushes, and reduces the impurity in sewage, avoids blocking blowdown chamber and impeller, improves the service life of motor, avoid motor overload, Water pump is carried out to improve the comprehensive performance of water pump without water conservation by the first water flow sensing unit and the second water flow sensing unit.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is a kind of schematic diagram of internal structure of the water pump for drainage of the present invention;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 is external structure schematic diagram of the invention;
Fig. 4 is the structural schematic diagram of crushing wheel in the present invention;
Fig. 5 is the structural schematic diagram of the first deflector and the second deflector in the present invention.
Appended drawing reference: the 1, pump housing;11, blowdown chamber;12, driving chamber;121, water leak detectors;13, fueling cavity;131, oil leak Detector;14, pedestal;15, resilient cushion;16, silencing pad;2, motor, 21, shaft;22, sealing device;23, sealing axle sleeve;24, Sealing ring;3, impeller;31, crushing wheel;32, crushing vane;33, axis hole;41, water inlet;42, water outlet;43, the second water flow passes Sensor;51, filter screen;52, water stream channel;53, inlet valve;54, the first water flow sensing unit;61, driver;62, drive rod; 63, cleaning brush;64, groove;65, bristle;7, impurity collection device;71, collecting box;72, fixed part;73, bolt;81, first Deflector;82, the second deflector;83, helix;84, diversion trench.
Specific embodiment
As shown in Figs. 1-5, be a kind of water pump for drainage of the invention, including the pump housing 1, motor 2, impeller 3, into The mouth of a river 41 and water outlet 42, motor 2 include stator, rotor and shaft 21, and shaft 21 is fixedly connected with impeller 3, and the pump housing 1 includes row Dirty chamber 11, driving chamber 12 and fueling cavity 13, mutually isolated between blowdown chamber 11, driving chamber 12 and fueling cavity 13,41 He of water inlet Water outlet 42 is connected to blowdown chamber 11 respectively.Mutually isolated blowdown chamber 11, driving chamber 12 and fueling cavity 13 avoid water flow from Blowdown chamber 11 enters driving chamber 12 and fueling cavity 13, so that the part in driving chamber 12 and fueling cavity 13 be made to be contaminated and break It is bad, the service life of water pump is reduced, maintenance cost is increased.Between blowdown chamber 11 and driving chamber 12 and driving chamber 12 and fueling cavity It is equipped with sealing device 22 between 13, by sealing device 22 by between blowdown chamber 11 and driving chamber 12, driving chamber 12 and refuels It is mutually isolated between chamber 13, guarantee leakproofness, avoids water flow from entering in driving chamber 12 and fueling cavity 13, cause 12 He of driving chamber Damage parts in fueling cavity 13, reduce the service life;Sealing device 22 includes sealing axle sleeve 23 and sealing ring 24, sealing axle sleeve 23 are arranged in shaft 21, and sealing ring 24 is arranged between sealing axle sleeve 23 and shaft 21.Pass through sealing axle sleeve 23 and sealing ring 24 are isolated between blowdown chamber 11, driving chamber 12 and fueling cavity 13, and the dual-seal component of setting plays dual-seal Effect improves sealing performance.It is equipped with water leak detectors 121 in driving chamber 12, oil leakage detector 131, pump are equipped in fueling cavity 13 Be equipped with water-leakage alarm and oil leakage alarm on the outside of body 1, water-leakage alarm and oil leakage alarm respectively with water leak detectors 121 and Oil leakage detector 131 connects.The water leak detectors 121 of setting are used to detect the water leakage situation in driving chamber 12, once leak is examined It surveys device 121 and detects water leakage situation, water-leakage alarm carries out water leakage alarm immediately;The oil leakage detector 131 of setting is used to detect Oil leak situation in fueling cavity 13, once oil leakage detector 131 detects generation oil leakage phenomenon, oil leakage alarm with regard to carrying out immediately Oil leakage alarm is protected and is reminded by leak, the oil leak to water pump, and the safety in utilization and reliability of water pump are improved.
It is equipped with filter screen 51 between water inlet 41 and blowdown chamber 11 and at least twice water stream channel 52, filter screen 51 are located at water The sewage being passed through from water inlet 41 is filtered by the filter screen 51 of the front side of circulation road 52, setting, removes big in sewage Grain substance, avoids the impurity in sewage from entering in blowdown chamber 11, is wrapped on impeller 3 using effect for influencing impeller 3 and makes With the service life, at least twice water stream channel 52 of setting enters water stream in blowdown chamber 11, when wherein any one water flow When channel 52 is blocked, another water stream channel 52 remains to work normally, and improves the utilization rate of water pump.It is connected on filter screen 51 Cleaning device, cleaning device are symmetricly set on the left and right sides of filter screen 51, and the cleaning device of setting will be adhered to filter screen 51 On impurity clear up, avoid blocking filter screen 51, improve filter effect;Cleaning device includes driver 61, drive rod 62 With cleaning brush 63, groove 64 is equipped with inside the pump housing 1, driver 61 is mounted in groove 64, cleaning brush 63 by drive rod 62 with Driver 61 connects, and the front side that filter screen 51 is located on cleaning brush 63 is equipped with bristle 65;Driver 61 is started by drive rod 62 Cleaning brush 63 swipes cleaning on filter screen 51, will be covered under the large particulate matter on filter screen 51 clears up from filter screen 51 Come, prevents blocking filter screen 51, keep the filter effect of filter screen 51, increase the service life of filter screen 51;Pass through bristle 65 Improve cleaning effect.The lower section of filter screen 51 is equipped with impurity collection device 7, and the impurity collection device 7 of setting is used to collect by mistake The large granular impurity that strainer 51 intercepts avoids impurity siltation from blocking water inlet 41 at water inlet 41;Impurity collection device 7 Including collecting box 71 and fixed part 72, fixed part 72 is equipped with threaded hole, is equipped with bolt 73 in threaded hole, collecting box 71 passes through spiral shell Bolt 73 is connect with the pump housing 1;The substance for being cleared up cleaning device from filter screen 51 by collecting box 71 or self precipitating Collecting material gets up, and avoids being deposited on the blocking water inlet 41 out of water inlet 41, is connected collecting box 71 and the pump housing 1 by fixed part 72 It connects, the bolt 73 on fixed part 72 makes collecting box 71 be connected firmly with the pump housing 1, is not easy to shake, while convenient disassembly, be convenient to clean Collecting box 71.
It is equipped with inlet valve 53 and the first water flow sensing unit 54 in water stream channel 52, is equipped with the second water flow at water outlet 42 and senses Device 43 controls the flooded condition of water pump by inlet valve 53, passes through the first water flow sensing unit 54 and the second water flow sensing unit 43 To detect the flow velocity and flow of water flow;When the first water flow sensing unit 54 does not sense that water flow passes through, just controls motor 2 and stop Work prevents motor 2 from dallying and causes the damage of 2 inner body of motor, reduce the working performance and service life of motor 2, increases Maintenance cost;When the first water flow sensing unit 54 senses that water velocity is smaller, then the water inlet in other water stream channels 52 is controlled Valve 53 is closed, and is closed the water stream channel 52 of part, is reduced available water stream channel 52, while increasing the running speed of motor 2, add Fast drainage speed and displacement, improve working efficiency;When the first water flow sensing unit 54 senses that water velocity is larger, then basis Situation opens inlet valve 53, increases the quantity of available water stream channel 52, while reducing the running speed of motor 2, reduces water pump Energy consumption;When the first water flow sensing unit 54 has sensed that water does not sense water flow by the second water flow sensing unit 43, then say Bright blowdown chamber 11 is blocked, and just controls motor 2 and stops working, and carries out block clearing processing.Pass through 54 He of the first water flow sensing unit Second water flow sensing unit 43 is in real time adjusted the work of water pump, improves the comprehensive performance of water pump.
Blowdown chamber 11 is respectively arranged on the left side and the right side the first deflector 81 and the second deflector 82, passes through the first deflector 81 The smooth guide water outlet 42 of sewage in blowdown chamber 11 will be entered with the second deflector 82, while reducing resistance to water-flow, accelerate stream Speed improves drainage works efficiency;It is equipped with helix 83 and diversion trench 84 on first deflector 81 and the second deflector 82, first The hand of spiral of helix 83 on deflector 81 and the helix 83 on the second deflector 82 is lived on the contrary, being equipped in diversion trench 84 Property charcoal.Positive threaded line is arranged in the second deflector 82 positioned at 42 side of water outlet, guides sewage into water outlet from water inlet 41 Mouth 42, the second deflector 82 positioned at the opposition of water outlet 42 side are arranged reversed threaded line, sewage are guided into from water inlet 41 Water outlet 42, water flow are flowed along diversion trench 84, improve the speed of flowing, and the active carbon of setting is used to go in water removal to contain thin Bacterium, peculiar smell are heterochromatic etc., purify sewage.
Crushing wheel 31 is connected in shaft 21, crushing wheel 31 is located at the front side of impeller 3;The crushing wheel 31 of setting will pass through The sewage that strainer 51 reaches blowdown chamber 11 is handled again, crushes the impurity not filtered in sewage, avoids blocking blowdown chamber 11 and impeller 3, reduce the working efficiency and drainage efficiency of motor 2;The outer circumferential of crushing wheel 31 is uniformly provided with crushing vane 32, The centre of crushing wheel 31 is equipped with axis hole 33, and shaft 21 passes through axis hole 33 and is threadedly coupled or snaps connection with crushing wheel 31.Pass through Multiple crushing vanes 32 crush the impurity further progress in sewage by filtering, and impurity is become more tiny, reduce stifled A possibility that plug;It is connected through a screw thread and snaps connection, increase the diversity of connection, structure is simple, convenient for tearing open for crushing wheel 31 It unloads, be convenient for replacing and clean, improve service efficiency.
The lower section of the pump housing 1 is equipped with pedestal 14, and pedestal 14 is equipped with resilient cushion 15 and silencing pad 16;The pedestal 14 of setting is used to The fixed pump housing 1, improves the stability of water pump, even if remaining to securely fix under rugged environment, improves security performance, avoids To the impact of the generation of the pump housing 1 so that the generation of the pump housing 1 offset and shaking, cause emptying effectiveness to reduce, setting subtracts when water flow is larger Power is excessive when shake pad 15 is used to reduce the rotation of motor 2 and generation is vibrated;When the silencing pad 16 of setting is used to eliminate pump working The noise of generation reduces noise pollution.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc. With replacement or modification etc., all it is covered by among protection scope of the present invention.

Claims (4)

1. a kind of water pump for drainage, including the pump housing, motor, impeller, inlet and outlet, the motor includes fixed Son, rotor and shaft, the shaft are fixedly connected with the impeller, it is characterised in that: the pump housing includes blowdown chamber, driving chamber And fueling cavity, sealing dress is equipped between the blowdown chamber and the driving chamber and between the driving chamber and the fueling cavity It sets, water leak detectors is equipped in the driving chamber, oil leakage detector is equipped in the fueling cavity, is equipped with leak on the outside of the pump housing Alarm and oil leakage alarm, the water-leakage alarm and the oil leakage alarm respectively with the water leak detectors and the leakage The connection of oily detector, it is mutually isolated between the blowdown chamber, the driving chamber and the fueling cavity, the water inlet and it is described go out The mouth of a river is connected to the blowdown chamber respectively, and filter screen is equipped between the water inlet and the blowdown chamber and at least twice water flow is logical Road, the filter screen are located at the front side of the water stream channel, are connected with cleaning device on the filter screen, under the filter screen Side is equipped with impurity collection device, and the impurity collection device includes collecting box and fixed part, and the fixed part is equipped with threaded hole, Bolt is equipped in the threaded hole, the collecting box is connect with the pump housing by the bolt, is equipped in the water stream channel Inlet valve and the first water flow sensing unit, the water outlet are equipped with the second water flow sensing unit, the left and right sides point of the blowdown chamber Not She You the first deflector and the second deflector, helix is equipped on first deflector and second deflector and is led Chute, the diversion trench is interior to be equipped with active carbon, crushing wheel is connected in the shaft, before the crushing wheel is located at the impeller Side, the outer circumferential of the crushing wheel are uniformly provided with crushing vane, and the centre of the crushing wheel is equipped with axis hole, and the shaft passes through The axis hole is threadedly coupled or snaps connection with the crushing wheel;
When the first water flow sensing unit does not sense that water flow passes through, just controls motor and stop working;When the first water flow sensing unit When sensing that water velocity is smaller, then the inlet valve controlled in other water stream channels is closed, and closes the water stream channel of part, simultaneously Increase the running speed of motor, accelerates drainage speed and displacement;When the first water flow sensing unit senses that water velocity is larger, Inlet valve is then according to circumstances opened, the quantity of available water stream channel is increased, while reducing the running speed of motor;When the first water Flow sensor has sensed that water does not sense water flow by the second water flow sensing unit, just controls motor and stops working.
2. a kind of water pump for drainage according to claim 1, it is characterised in that: the cleaning device is symmetrically set It sets in the left and right sides of the filter screen, the cleaning device includes driver, drive rod and cleaning brush, and the pump body is set Fluted, in the groove, the cleaning brush is connect by the drive rod with the driver, institute for the driver installation It states and is equipped with bristle positioned at the front side of the filter screen on cleaning brush.
3. a kind of water pump for drainage according to claim 1, it is characterised in that: the sealing device includes close Axle sleeve and sealing ring are sealed, the sealing axle sleeve is arranged in the shaft, and the sealing ring is arranged in the sealing axle sleeve and institute It states between shaft.
4. a kind of water pump for drainage according to claim 1, it is characterised in that: the lower section of the pump housing is equipped with Pedestal, the pedestal are equipped with resilient cushion and silencing pad.
CN201610308688.9A 2016-05-11 2016-05-11 A kind of water pump for drainage Active CN105927552B (en)

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