CN206346913U - A kind of double-deck anti-impeller self-sucking centrifugal pump - Google Patents

Abstract

The utility model discloses the double-deck anti-impeller self-sucking centrifugal pump of one kind, its structure includes pump case, main body, water inlet, runner, nut, connecting plate, base, positive and negative double leaf wheel apparatus, water seal, bearing, belt pulley, fixator sealing ring, bearing cap, pump shaft, waterproof cover, dividing plate, the runner is flexibly connected with pump shaft, the nut is located in connecting plate, the connecting plate is located on water inlet, the positive and negative double leaf wheel apparatus is located under pump case, the positive and negative double leaf wheel apparatus is by the gear teeth, anti- impeller, positive impeller, driving wheel, gasket ring, packing ring, fixing hole is constituted, the packing ring is located in gasket ring, the fixing hole is fixedly connected by gasket ring with anti-impeller.The utility model solves existing centrifugal water pump and uses single anti-impeller, it is impossible to be efficiently operated, the problem of lift is too low.

Description

A kind of double-deck anti-impeller self-sucking centrifugal pump

Technical field

The utility model is a kind of double-deck anti-impeller self-sucking centrifugal pump, belongs to water pump field.

Background technology

Water pump is that the mechanical energy of prime mover is changed into liquid energy to pump liquid purpose machine so as to reach, is that one kind is used for The device of mobile liquid, gas or specialized fluids medium, water pump classification by use can be divided into delivery pump, circulating pump, fire pump, examination Press pump, dredge pump etc.；It can be divided into petroleum pump, metallurgical pump, chemical pump, fishery pump, mining industry pump etc. by trade classification；Classify by principle Reciprocating pump, plunger pump, piston pump, membrane pump, impeller pump etc. can be divided into；It can be divided into clarified water pump, sewage pump, seawater by medium classification Pump, heat-exchanger pump, hot oil pump etc..Water pump is widely used in terms of shipbuilding, oil exploitation, weight carrier.In geographical environment license Under conditions of, water pump should be close proximity to water source, to reduce the length of suction hose.

Prior art discloses Application No.：A kind of CN201020059229.X efficient self-suction centrifugal water pump, main bag Include：The pump housing, anti-impeller and motor；It is characterized in that：The pump housing is fixed with motor by being coupled disk with hex bolts, anti-impeller dress Fixed on machine shaft with hex nut, the pump housing is provided with O-ring seals with drain wheel joint portion, and the pump housing is with being coupled disk auxiliary section Provided with O-ring seal, thrower is provided between machine shaft and electric motor end cap.The water inlet of the pump housing located at pump housing high level and On machine shaft center line.With the characteristics of simple in construction, flow is big, lift high workload is reliable, maintenance is easy to use.But Its weak point is using single anti-impeller, it is impossible to be efficiently operated, lift is too low.

Utility model content

In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of double-deck anti-impeller self-absorption centrifugal water Pump, uses single anti-impeller, it is impossible to be efficiently operated, the problem of lift is too low to solve existing centrifugal water pump.

To achieve these goals, the utility model is to realize by the following technical solutions：A kind of double-deck anti-impeller Self-sucking centrifugal pump, its structure include pump case, main body, water inlet, runner, nut, connecting plate, base, positive and negative double leaf wheel apparatus, Water seal, bearing, belt pulley, fixator sealing ring, bearing cap, pump shaft, waterproof cover, dividing plate, the pump case is fixed with main body to be connected Connect, the water inlet is located in main body, the runner is flexibly connected with pump shaft, the nut is located in connecting plate, the company Fishplate bar is located on water inlet, and the positive and negative double leaf wheel apparatus is located under pump case, and the positive and negative double leaf wheel apparatus is by the gear teeth, anti-leaf Wheel, positive impeller, driving wheel, gasket ring, packing ring, fixing hole composition, the gear teeth are connected with positive impeller, the anti-impeller and gasket ring Be fixedly connected, the positive impeller is set on the drive wheel, and the driving wheel is connected with anti-impeller, the gasket ring by anti-impeller with Driving wheel is flexibly connected, and the packing ring is located in gasket ring, and the fixing hole is fixedly connected by gasket ring with anti-impeller, the water seal It is located under pump shaft, the bearing is connected with bearing cap, the belt pulley is located on pump shaft, the sealing ring is located at main body In, the bearing cap is connected with main body, and the pump shaft is fixedly connected by sealing ring with main body, and the dividing plate is consolidated with pump case Fixed connection.

Further, the main body is connected with connecting plate.

Further, the base is fixedly connected by nut with main body.

Further, the fixator is fixedly connected by belt pulley with pump shaft.

Further, the waterproof cover is flexibly connected with bearing cap.

The beneficial effects of the utility model are provided with positive and negative double leaf wheel apparatus, can increase pump head height, mitigate water pump and adopt Cost is purchased, it is economical and practical.

Brief description of the drawings

By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model Levy, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural representation of double-deck anti-impeller self-sucking centrifugal pump of the utility model；

Fig. 2 is positive and negative bilobed wheel schematic device of the present utility model.

In figure：Pump case -1, main body -2, water inlet -3, runner -4, nut -5, connecting plate -6, base -7, positive and negative bilobed wheel Device -8, the gear teeth -800, anti-impeller -801, positive impeller -802, driving wheel -803, gasket ring -804, packing ring -805, fixing hole - 806th, water seal-9, bearing-10, belt pulley-11, the sealing ring of fixator-12-13, bearing cap-14, pump shaft-15, waterproof cover- 16th, dividing plate -17.

Embodiment

To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below With reference to embodiment, the utility model is expanded on further.

Fig. 1-Fig. 2 is referred to, the utility model provides a kind of technical scheme：A kind of double-deck anti-impeller self-sucking centrifugal pump, Its structure includes pump case 1, main body 2, water inlet 3, runner 4, nut 5, connecting plate 6, base 7, positive and negative double leaf wheel apparatus 8, water seal 9th, bearing 10, belt pulley 11, the sealing ring 13 of fixator 12, bearing cap 14, pump shaft 15, waterproof cover 16, dividing plate 17, the pump case 1 is fixedly connected with main body 2, and the water inlet 3 is located in main body 2, and the runner 4 is flexibly connected with pump shaft 15, the nut 5 Be located in connecting plate 6, the connecting plate 6 is located on water inlet 3, the positive and negative double leaf wheel apparatus 8 is located under pump case 1, it is described just Anti- double leaf wheel apparatus 8 is by the gear teeth 800, anti-impeller 801, positive impeller 802, driving wheel 803, gasket ring 804, packing ring 805, fixing hole 806 compositions, the gear teeth 800 are connected with positive impeller 802, and the anti-impeller 801 is fixedly connected with gasket ring 804, the positive leaf Wheel 802 is located on driving wheel 803, and the driving wheel 803 is connected with anti-impeller 801, and the gasket ring 804 passes through anti-impeller 801 It is flexibly connected with driving wheel 803, the packing ring 805 is located in gasket ring 804, the fixing hole 806 passes through gasket ring 804 and anti-impeller 801 are fixedly connected, and the water seal 9 is located under pump shaft 15, and the bearing 10 is connected with bearing cap 14, and the belt pulley 11 is set On pump shaft 15, the sealing ring 13 is located in main body 2, and the bearing cap 14 is connected with main body 2, and the pump shaft 15 leads to Cross sealing ring 13 to be fixedly connected with main body 2, the dividing plate 17 is fixedly connected with pump case 1, the main body 2 is connected with connecting plate 6, The base 7 is fixedly connected by nut 5 with main body 2, and the fixator 12 is fixedly connected by belt pulley 11 with pump shaft 15, The waterproof cover 16 is flexibly connected with bearing cap 14.

Carrying out in use, the positive impeller 802 and driving wheel 803 that drive positive and negative double leaf wheel apparatus 8 by pump shaft 15 enter Row is rotated forward, and positive and negative double leaf wheel apparatus 8 can increase water pump power, drives the gear teeth 800 and anti-impeller 801 to be rotated backward, Belt pulley 11 can reduce noise, have a machine in operation and more stablize.

General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is by institute Attached claim rather than described above are limited, it is intended that will fall in the implication and scope of the equivalency of claim All changes are included in the utility model.Any reference in claim should not be considered as to the right involved by limitation It is required that.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. a kind of double-deck anti-impeller self-sucking centrifugal pump, it is characterised in that：Its structure includes pump case（1）, main body（2）, water inlet （3）, runner（4）, nut（5）, connecting plate（6）, base（7）, positive and negative double leaf wheel apparatus（8）, water seal（9）, bearing（10）, belt Wheel（11）, fixator（12）Sealing ring（13）, bearing cap（14）, pump shaft（15）, waterproof cover（16）, dividing plate（17）, the pump Shell（1）With main body（2）It is fixedly connected, the water inlet（3）It is located at main body（2）In, the runner（4）With pump shaft（15）Activity Connection, the nut（5）It is located at connecting plate（6）In, the connecting plate（6）It is located at water inlet（3）On, the positive and negative bilobed wheel dress Put（8）It is located at pump case（1）Under, the positive and negative double leaf wheel apparatus（8）By the gear teeth（800）, anti-impeller（801）, positive impeller（802）、 Driving wheel（803）, gasket ring（804）, packing ring（805）, fixing hole（806）Composition, the gear teeth（800）With positive impeller（802）Phase Connection, the anti-impeller（801）With gasket ring（804）It is fixedly connected, the positive impeller（802）It is located at driving wheel（803）On, it is described Driving wheel（803）With anti-impeller（801）It is connected, the gasket ring（804）Pass through anti-impeller（801）With driving wheel（803）Activity Connection, the packing ring（805）It is located at gasket ring（804）It is interior, the fixing hole（806）Pass through gasket ring（804）With anti-impeller（801）Gu Fixed connection, the water seal（9）It is located at pump shaft（15）Under, the bearing（10）With bearing cap（14）It is connected, the belt pulley （11）It is located at pump shaft（15）On, the sealing ring（13）It is located at main body（2）In, the bearing cap（14）With main body（2）It is connected Connect, the pump shaft（15）Pass through sealing ring（13）With main body（2）It is fixedly connected, the dividing plate（17）With pump case（1）It is fixed to connect Connect.

2. the double-deck anti-impeller self-sucking centrifugal pump of one kind according to claim 1, it is characterised in that：The main body（2）With Connecting plate（6）It is connected.

3. the double-deck anti-impeller self-sucking centrifugal pump of one kind according to claim 1, it is characterised in that：The base（7）It is logical Cross nut（5）With main body（2）It is fixedly connected.

4. the double-deck anti-impeller self-sucking centrifugal pump of one kind according to claim 1, it is characterised in that：The fixator（12） Pass through belt pulley（11）With pump shaft（15）It is fixedly connected.

5. the double-deck anti-impeller self-sucking centrifugal pump of one kind according to claim 1, it is characterised in that：The waterproof cover（16） With bearing cap（14）It is flexibly connected.