CN201407188Y

CN201407188Y - Submersible electric pump

Info

Publication number: CN201407188Y
Application number: CN2009200064686U
Authority: CN
Inventors: 白淳烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-23
Filing date: 2009-03-23
Publication date: 2010-02-17
Anticipated expiration: 2019-03-23

Abstract

The utility model relates to a submersible electric pump, which comprises a motor and a pump body connected with the motor, the motor is provided with a rotating unit, a shaft and a rotating part rotating relative to the shaft are arranged in the rotating unit, the pump body is provided with an impeller casing, and an impeller is arranged in the impeller casing, which is communicated with the rotating unit. The fluid in the impeller casing is sucked into the rotating unit, so that a water curtain is formed in the rotating unit containing the rotating part.

Description

Submerged motor pump

Technical field

The utility model relates to and a kind ofly is applied to be used under water to draw water or the motor-drive pump of draining.

Background technique

In general, to be a kind of utilization sink to the instrument of draw water in the water operation or draining with the pump housing to submerged motor pump, is mainly used in occasions such as water (or other fluids) transfer location, liquid medicine supplies.

About submerged motor pump, can disclose 20-1985-5036 number with reference to korean patent application, and Korean Patent 10-137657 etc.

Above-mentioned patent application and the submerged motor pump that patent disclosed generally comprise the motor and the pump housing, and motor and pump housing one or split constitute, because the starting of motor, drive the rotation of rotary blade in the pump housing, this rotation causes near the fluid the impeller outwards to spray, further cause vacuum, make the water of motor-drive pump outside or other fluids be inhaled in the pump housing continually and be ejected again.

Rotor of the motor of these motor-drive pumps (generally being coil) and stator (generally being magnet) are arranged on motor internal, and the motor and the pump housing are by mutual hermetic separation, so water or other fluids that the pump housing is extracted out can not enter in the motor.In order to make motor rotation smooth and easy, generally can between the rotor of motor and stator, add lubricant oil.Yet, when repairing the motor of motor-drive pump, the problem that lubricant oil leaks outside and pollutes can appear.In addition, the leakage of lubricant oil can make to produce wearing and tearing between the bearing of rotor and support rotor, causes the concentricity between rotor and the bearing to produce variation, and can produce improper vibration and noise.And the heat that produces during the motor operation generally is to the motor housing conduction and utilizes the water of motor housing periphery or other fluids to cool off indirectly, but the efficient of this type of cooling is lower.Temperature when cooling effect not good causes the motor operation rises, and causes decreased performance, thereby the problem of motor-drive pump decrease in efficiency occurs.Even a motor of traditional submerged motor pump only cooperates a pump housing, and existence can only single operation and problem that can not his usefulness.

The utility model then provides a kind of new mode in order to improve or to solve the above problems.

The model utility content

One of problem to be solved in the utility model provides and a kind ofly can form lubricated between the stator of the motor of motor-drive pump and rotor and can guarantee the submerged motor pump of rotor concentricity.

Two of problem to be solved in the utility model provides a kind ofly can eliminate the improper vibration of motor of motor-drive pump and the submerged motor pump of noise.

Three of problem to be solved in the utility model provides a kind of submerged motor pump that can promote the motor-drive pump cooling effectiveness.

Four of problem to be solved in the utility model provides a kind of submerged motor pump of realizing different purposes.

The utility model solves above-mentioned technical problem by such technological scheme:

A kind of submerged motor pump, it comprises that motor reaches and the motor pump body interconnected, motor is provided with whirligig, the rotary part that is provided with axle in the whirligig and rotates about axle, the pump housing is provided with impeller casing, is provided with impeller in the impeller casing, impeller casing and whirligig intercommunication, fluid section in the intake impeller case flows into the inside of whirligig, forms water curtain comprising between the whirligig of rotary part.

As a kind of improvement of the present utility model, this submerged motor pump also comprises suction pipe and the discharge tube that is interconnected with the impeller casing that is provided with impeller, and the upper end lateral margin of whirligig is provided with some fluid circulating holes so that fluid passes through.

As a kind of improvement of the present utility model, be provided with sleeve pipe in the rotary part bottom surface, the upper periphery of this sleeve pipe offers some openings of arranging at a certain distance.

As a kind of improvement of the present utility model, the motor two end part are provided with the first pump portion and the second pump portion respectively, and each pump portion is provided with impeller casing, is provided with impeller in each impeller casing.

As a kind of improvement of the present utility model, each pump portion is provided with suction pipe, discharge tube and impeller casing separately, and each impeller casing is provided with impeller separately, and the both sides of whirligig are provided with sleeve pipe, by certain spacing a plurality of fluid circulating holes are set on the sleeve pipe.

As a kind of improvement of the present utility model, whirligig is a cylinder frame shape, and is provided with dynamic electronic box, and end periphery is provided with wheel rim on dynamic electronic box, its inboard warpage real part and annular recess of forming.

As a kind of improvement of the present utility model, the impeller casing that is communicated with whirligig is the drum shape to one side open, portion forms blade wheel chamber within it, be provided with wheel rim at last end periphery, be provided with mounting hole with a determining deviation on the wheel rim, impeller casing is provided with the impeller casing body, and the periphery of this impeller casing body is outstanding laterally, the discharge tube that tap hole, blade wheel chamber are communicated with communicates with suction pipe, and the impeller casing body is provided with inboard disconnected bank portion and interior plane of inclination.

As a kind of improvement of the present utility model, the both sides of axle are adapter sleeve and ball-type sleeve pipe respectively, and dynamically the central position of electronic box is provided with ball-type sleeve pipe filling chamber, and spherical sleeve pipe promptly is arranged on sleeve pipe filling chamber.

As a kind of improvement of the present utility model, dynamically electronic box is provided with wheel rim, with a determining deviation mounting hole is set on the wheel rim, and dynamically the inboard bight of the wheel rim of electronic box forms the warpage real part, which is provided with annular recess, to be connected with the waste pipe of drain opening.

As a kind of improvement of the present utility model, the impeller casing that is communicated with combination with whirligig is the round barrel shape of one side open, and end periphery is provided with mounting hole at a certain distance on impeller casing, and the suction pipe that is communicated with impeller casing is provided with suction port.

As a kind of improvement of the present utility model, be provided with a plurality of fluid circulating holes in a row in the rotary part, angulation θ 2 between the row, and angulation θ 3 between fluid circulating hole and the axle.

As a kind of improvement of the present utility model, the impeller in the impeller casing is provided with mandrel rod, and mandrel rod is provided with ring, is provided with some all holes on ring, and mandrel rod is provided with some wings, each wing angulation θ 1 with the ring middle position.

As a kind of improvement of the present utility model, the inside of axle is provided with fluid circulating hole along its length.

As a kind of improvement of the present utility model, the impeller casing that combines with whirligig is provided with the subsidy whirligig in addition.

As a kind of improvement of the present utility model, the blade wheel chamber of the impeller casing of the first pump portion and the aspect ratio of the impeller second pump portion and the height height of impeller.

As a kind of improvement of the present utility model, each wing angulation θ 1 is that 35 degree are between 50 degree.

As a kind of improvement of the present utility model, the subsidy whirligig is provided with drum pipe and wheel rim, and the bight of wheel rim forms warpage real part and annular recess.

Other provides a kind of submerged motor pump, it comprises motor that utilizes the inner rotor rotation generation power that is provided with of whirligig and the pump portion that fluid is sucked or discharges, motor is provided with axle, pump portion is provided with the impeller casing that utilizes the dynamic start that motor produces and is contained in impeller in the impeller casing, be provided with partition wall between motor and the pump portion, electric motor starting flows between the rotor of motor internal and whirligig and rotation the fluid that flows into or discharge again and generates water curtain.

As a kind of improvement of the present utility model, partition wall is provided with intercommunicating pore and both sides form the impeller rotary box with discharge tube, the front end of impeller casing is installed the impeller casing shell, the inner whirligig that forms of rotary box with whirligig chamber, rotor and magnet and the coil of each self-separation installation sleeve on axle in the inside and outside of whirligig, offer opening in the rotor that is installed in whirligig inside and the unidirectional central line of axle, put sleeve pipe separately on the two side-prominent axles of rotor and be installed in the casing bit, the periphery of the casing bit of mounting sleeve is offered opening according to certain spacing, intercommunicating pore by partition wall is installed impeller at the front end of the axle that impeller casing exposes, and in the preceding central authorities of pump portion suction pipe is installed.

As a kind of improvement of the present utility model, axle of installing on the rotor and the material that is enclosed within the sleeve pipe on the casing bit on the axle are germanium.

Compared with prior art, the utlity model has following advantage: the water curtain that forms between whirligig and the rotary part, can effectively be lubricated motor, avoid the wearing and tearing problem of the Concentricity tolerance that causes, and can effectively cool off, in addition, the two ends of motor can connect pump portion simultaneously, can realize the function of many pumps of driven by motor portion.

Description of drawings

Fig. 1 is the sectional view of the submerged motor pump of the utility model first mode of execution.

Fig. 2 a, Fig. 2 b and Fig. 3 a to Fig. 3 c are the whirligig of submerged motor pump of first mode of execution and the schematic representation that impeller casing shows separately.

Fig. 4, Fig. 5 a, Fig. 5 b, Fig. 6 a, Fig. 6 b are the impeller of submerged motor pump of first mode of execution and the schematic representation that sleeve pipe shows separately.

Fig. 7 is the sectional view of the utility model submerged motor pump second mode of execution.

Fig. 8 a, 8b, 9a, 9b, 10a, 10b, 10c, 11a, 11b, 11c are impeller, sleeve pipe and the whirligig schematic representation separately of the submerged motor pump of second mode of execution.

Figure 12 is the sectional view of the utility model submerged motor pump the 3rd mode of execution.

Figure 13 a and 13b are the schematic representation of the submerged motor pump axle of the 3rd mode of execution.

Figure 14 is the sectional view of the utility model submerged motor pump the 4th mode of execution.

Figure 15 a and Figure 15 b and Figure 16 a and 16b, Figure 17 a and Figure 17 b are the schematic representation of impeller casing, impeller and the subsidy whirligig of the 4th mode of execution.

Figure 18 is the sectional view of the utility model submerged motor pump the 5th mode of execution.

Figure 19 a to Figure 19 c, Figure 20 a to Figure 20 c, Figure 21 a to Figure 21 b, Figure 22 a to 22b, Figure 23 a to Figure 23 b, Figure 24 a to Figure 24 c, Figure 25 a to Figure 25 c are impeller rotary box, impeller casing shell, whirligig, whirligig support, bearing, sleeve pipe, impeller, the sleeve pipe schematic representation separately of the submerged motor pump of the 5th mode of execution.

Embodiment

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is the sectional view that shows first mode of execution of the utility model submerged motor pump 1-1; Fig. 2 a and Fig. 2 b, Fig. 3 a to Fig. 3 c, Fig. 4, Fig. 5 a and 5b, Fig. 6 a and Fig. 6 b show is the independent schematic representation of whirligig 2, impeller casing 10, rotation assembly body, impeller 20, sleeve pipe 25 of the submerged motor pump 1-1 in first mode of execution; Fig. 7 is another mode of execution of the utility model submerged motor pump 1-2, the i.e. sectional view of second mode of execution, Fig. 8 a and Fig. 8 b, Fig. 9 a and Fig. 9 b, Figure 10 a and Figure 10 b, Figure 11 a to Figure 11 c are the independent schematic representation of the impeller casing 10-1 of the submerged motor pump 1-2 in second mode of execution and whirligig 2-1 and impeller 30 and rotary part 18; Figure 12 is the sectional view of the 3rd mode of execution of the utility model submerged motor pump 1-3, and Figure 13 a and Figure 13 b are the independent schematic representation of the axle 17 that is provided with of the submerged motor pump 1-3 of the 3rd mode of execution; Figure 14 is the sectional view of the 4th mode of execution of the utility model submerged motor pump 1-4, and Figure 15 a and Figure 15 b, Figure 16 a and Figure 16 b, Figure 17 a and Figure 17 b are impeller casing 40, impeller 50, the subsidy whirligig 60 independent schematic representation that show that the submerged motor pump 1-4 of the 4th mode of execution is provided with.

Please join Fig. 1 to Fig. 6 b, submerged motor pump 1-1 of the present utility model comprises motor A and the pump housing B that is connected with motor A, motor A is provided with whirligig 2, these whirligig 2 inside are provided with rotary part 18, utilize the whirligig 2 of motor A that rotary part 18 is rotated, produce power, the power that relies on motor A to produce produces the power of draining.Pump housing B is provided with impeller casing 10, is provided with impeller 20 in this impeller casing 10, and the rotation impeller 20 of the rotary part 18 of motor A is rotated, and forms to attract the outside water or the attraction force of other fluids.

Impeller casing 10 is communicated with whirligig 2, relies on the starting of motor A, to impeller casing 10 inner water or other fluids that attract, can flow into the inside of whirligig 2, and water or other fluids produce water curtain (or water smoke) after entering in the whirligig 2.

For making rotary part 18 impeller 20 rotate, sleeve pipe 25 is set in motor A, these sleeve pipe 25 1 ends are fixed in rotary part 18, and the other end is fixed in impeller 20, and rotary part 18, impeller 20 are connected on the axle 17 and reference axis 17 concentric settings with sleeve pipe 25.

The structure of whirligig 2, as shown in Fig. 2 a and Fig. 2 b, system comprises dynamic electronic box 3, this dynamic electronic box is a round barrel shape, be provided with wheel rim 4 at dynamic electronic box 3, periphery in wheel rim 4 is provided with the hole 4-1 that keeps at a certain distance away, and the medial angle of end periphery binding wheel rim 4 partly forms the warpage teat on dynamic electronic box 3, from its positive annular recess that forms.

The structure of impeller casing 10, as shown in Fig. 3 a to 3c, comprise impeller casing body 11, end periphery 12 is shaped as the blade wheel chamber 13 of round barrel shape on the impeller casing body 11, on the last end periphery 12 mounting hole 12-1 is set at a certain distance, the bottom center of impeller casing body 11 is provided with suction tube 15, and suction tube 15 is provided with and attracts hole 15-1, and this attracts hole 15-1 to be communicated with blade wheel chamber 13.

In the ring-type angle that the bottom center of impeller casing body 11 and suction tube 15 communicate mutually, inboard disconnected bank portion 17 and interior plane of inclination 18, the periphery central authorities of impeller casing body 11 are provided with discharge tube 14, discharge tube 14 is provided with tap hole 14-1 and blade wheel chamber 13 is communicated with, and the height of the blade wheel chamber that forms in impeller casing 10 is H1-1.

The whirligig 2 of motor A and the impeller casing 10 of pump housing B are to utilize the fixation method of bolt/nut to interconnect mutually by wheel rim 4 and last end periphery 12 to combine, the impeller casing (10) of the whirligig 2 of motor A and pump housing B combines, 10 ring-type nibs 16 of impeller casing are inserted to whirligig 2 annular recess, strengthen fixing.

Fig. 1 and shown in Figure 4 please be joined in the inside of whirligig 2, comprises the rotary part 18 and the magnet 9 that are fixed on the axle 17, and coil 8 is separated setting with magnet, and promptly rotary part 18 and magnet 9 form rotors, and coil 8 forms stator.

Rotary part 18 in the whirligig 2 is fixed on the axle 17 of the pottery that forms with pottery, both sides to the outstanding axle 17 of the front and back of rotary part 18, dynamically in the electronic box body 26 of electronic box 3, in conjunction with the sleeve pipe 25 certain spacing setting and that have some openings 28.Preferably, particularly to the both sides of the outstanding axle 17 of the front and back of rotary part 18, as shown in Figure 4, ball-type sleeve pipe 19 separately assembly enter, be arranged on the central authorities of the dynamic electronic box body 26 of dynamic electronic box 3, shown in Fig. 6 b, ball-type sleeve pipe 19 is arranged in the sleeve pipe filling chamber 27.

The impeller casing 10 that is connected in dynamic electronic box 3 has been installed impeller 20 on the axle 17 that blade wheel chamber 13 introduces.

Above-mentioned impeller 20 is the one side central authorities at raw sheet 21, an integrally formed mandrel rod, on the periphery of mandrel rod and raw sheet some wings 23 is set, and these wings 23 are intervally arranged by certain spacing, have formed the windmill shape.

The height H 1 of impeller 20 is more lower slightly than the height H 1-1 of the blade wheel chamber 13 that forms at impeller casing 10, with convenient impeller 20 is fixed in impeller casing inside.

Fig. 7 to Figure 11 c is depicted as the submerged motor pump 1-2 of second mode of execution of model utility, and the above-mentioned submerged motor pump 1-2 roughly submerged motor pump 1-1 with first mode of execution is identical.

Shown in Fig. 8 a, 8b, impeller casing 10-1 is communicated with whirligig 2-1, dynamically electronic box 3 is a round barrel shape, dynamically the upper end of electronic box 3 week is provided with some mounting hole 4-1s with a determining deviation along being provided with wheel rim 4 on it, dynamically the medial angle part of the wheel rim 4 of electronic box 3, form warpage teat 5, its positive annular recess 6 that forms, dynamically the bottom center of electronic box 3 forms the waste pipe of one, and waste pipe forms exhaust port 7-1.

The blade wheel chamber 13 of round barrel shape forms impeller casing body 11 in inside, end periphery is provided with the mounting hole of arranging with a determining deviation on it.The positive inner peripheral of wheel rim, integrally formed ring-type nib 16, the bottom center of impeller casing body 11, integrally formed suction tube 15, suction pipe 15 and blade wheel chamber 13 are communicated with.

The inside of whirligig 2-1 is provided with rotary part 18, as shown in Figure 11 a to Figure 11 c, the fluid circulating hole 18-1 that is formed on rotary part 18 inside is with certain spacing, and with angle θ 2 formation, above-mentioned fluid circulating hole 18-1 keeps with certain angle θ 2 to form circulation.

The impeller 30 that the inside of impeller casing 10-1 is provided with is as shown in Figure 10 a and Figure 10 b, the axis hole 32-1 that central authorities form and the outside of mandrel rod 32 have formed ring 31, at mandrel rod 32 with encircle some wings 33 that are provided with at certain intervals are set between 31, each wing 33 is to be formed slopely with certain angle θ 1.

Angle θ 1 scope that above-mentioned each wing 33 forms is 35 degree-50 degree, preferably, and between 40 degree-45 degree.

It shown in Figure 12 to Figure 13 b the 3rd mode of execution of the utility model submerged motor pump, basic identical with illustrative submerged motor pump structure among Fig. 7 to Figure 11 c, just as shown in Figure 13 a and Figure 13 b, axle mediad length direction forms opening 17-1, makes water or other fluid flows.

Please join Figure 14 to Figure 17 b, be shown as the 4th mode of execution of the present utility model.

Among the submerged motor pump 1-4, the impeller casing 10 of the motor section and the first pump 1-4-1, axle 17, rotary part 18, ball-type sleeve pipe 19, impeller 29, sleeve pipe 25 and Fig. 1 and the illustrative submerged motor pump of Fig. 3 to Fig. 6 b are basic identical.

The rear side of whirligig 2-1 is provided with second 1-4-2 of pump portion, the rear side waste pipe of whirligig 2-1, and as shown in Figure 15 a, in the rear end of whirligig 2-1, integrally formed subsidy whirligig 60, in subsidy whirligig 60, one has been installed impeller casing 40; In the other end of the inside of impeller casing 40, as shown in Figure 16 a and 16b, on the wheel rim 62 of an end periphery of shorter drum pipe 61 mounting hole 62-1 is set at a certain distance, the bight of the wheel rim 62 that is connected with the periphery of drum pipe (61) forms warpage real part 63 for its positive annular recess 64 that forms.

Impeller casing 40, shown in Figure 15 a, blade wheel chamber's 43 inner impeller casings 41 that form of round barrel shape, the last end periphery of its body is provided with wheel rim 42, and mounting hole 42-1 is set on the wheel rim 42 at a certain distance.Inner peripheral below wheel rim 42 is provided with ring-type nib 46, and inlet hole 45-1 is communicated with blade wheel chamber 43.

Inboard disconnected bank portion 47 has formed interior plane of inclination 48 at the ring-type angle that communicates between the bottom surface central authorities of impeller casing body 41 and the suction pipe 45, discharge tube 44 is outstanding laterally to be formed, tap hole 44-1 is communicated with blade wheel chamber 43, and the height of the blade wheel chamber 43 that forms in impeller casing 40 is H2-1).

The starting process of the utility model submerged motor pump below is described.

Submerged motor pump of the present utility model is kept sealing state according to sealing method, connects electric wire, and the energy supply power sinks to water-bed the use.

Please join shown in Fig. 1 to Fig. 6 b, the utility model submerged motor pump 1-1 is that handling as described below is done.

Supply power in the coil 8 rotates rotary part 18, and the telescopic shaft 17 that is supported by sleeve pipe 25 makes impeller 20 together rotate.

After impeller 20 rotates, outside water forces to be attracted to blade wheel chamber 13 by the inlet hole 15-1 of the suction pipe 15 of formation on the impeller casing body 11, pressure is drawn into the water in the blade wheel chamber 13, tap hole 14-1 by discharge tube 14 discharges, and supplies with outside the use by the flexible pipe that is combined in discharge tube 14.

With above-mentioned the same, rely on the rotation of impeller 20, water is taken out the back when discharging, the water that sucks to blade wheel chamber 13, the opening 28 by sleeve pipe filling chamber 27 flows to dynamic electronic box 3 and is injected into the dynamic electrocardiogram case.

The water that injects to the inside of dynamic electronic box 3 is penetrated into the ball-type sleeve pipe 19 that is fixed on the axle 17, forms water curtain to the sleeve pipe filling chamber 27 of dynamic electronic box 3, and this water curtain can make the rotation lubricate of rotary part 18, gives security for rotary part 18 keeps concentricity.

Moreover the water that injects to the inside of impeller casing 3 is to circulate according to the starting of impeller 20, can cool off the heat that produces on coil 8 and rotary part 18, promotes the inside cooling effect of dynamic electronic box 3 greatly.

Please join Fig. 7 to Figure 11 c, the operation of the submerged motor pump 1-2 of the utility model second mode of execution is as follows.

To coil 8 energy supply powers, rotary part 18 is rotated, impeller 30 rotates thereupon.

Impeller 30 rotates, and water is drawn into impeller casing 10 inside forcibly, forces the water that sucks to the blade wheel chamber 13 of impeller casing 10, extrudes according to wing, and by forming rotation, the opening 28 by sleeve pipe filling chamber 27 is to dynamic electronic box 3 inner injections.

To the dynamic electronic box 3 inner water that inject, under the opening 28 of the sleeve pipe of latter half of installation filling chamber 27 and rotary part 18 effects of rotating by each fluid circulating hole 18-1, pressure is transplanted on the interior lower end of dynamic electronic box 3, discharges by the tap hole 7-1 pressure of discharge tube 7.To the water that tap hole 7-1 pressure is discharged, supply with outside the use by the flexible pipe that is combined in discharge tube 7.

To the dynamic electronic box 3 inner water that flow into, under the effect that is fixed on the ball-type sleeve pipe 19 on the axle 17, form water curtain to 27 infiltrations of sleeve pipe filling chamber.

Moreover to 30 startings of the dynamic electronic box 3 inner water that inject according to impeller, compulsory suction is discharged, and can cool off the heat in coil 8 and rotary part 18 generations, has promoted cooling effect greatly.

Please join Figure 12 to 13b, the operation principles of the submerged motor pump 1-3 of the 3rd mode of execution of the present utility model is with last identical, according to the rotation of impeller 30 the impeller casing 10 inner water that suck to first half, opening by the axle 7 that rotates with rotary part 18 is transferred to discharge tube 7 rapidly, can promote pumpage.

Please Figure 14 to 17b, be the 4th mode of execution of the present utility model, this submerged motor pump 1-4 can form the dual pump housing and draw water, and provides conveying to the outside separately.

Rotary part 18 rotates, and is rotated with the axle that ball-type sleeve pipe 19 supports by sleeve pipe 25, and first 1-4-1 of pump portion and second 1-4-2 of

pump portion impeller

20,50 separately rotate simultaneously.

Impeller

20,50 rotates simultaneously, outside water is forced to suck to the

blade wheel chamber

13,43 of each

impeller casing

10,40 by inlet hole 15-1, the 45-1 of the

suction pipe

15,45 in the

impeller casing body

11,41 that is formed on

impeller casing

10,40, force the water of suction to

blade wheel chamber

13,43, peripheral integrally formed at

impeller casing body

11,51, tap hole 14-1,44-1 by

discharge tube

14,44 discharge, pass through the flexible pipe of combination separately by

discharge tube

14,44 again, outwards carry separately.

Rotation by

impeller

20,50, water is drawn out of, the water that sucks to

blade wheel chamber

13,43 during discharge, the first half of the inside of some dynamic electronic box 3 by being formed on whirligig 2 and the opening 28 of the latter half of sleeve pipe of installing separately 22 are to dynamic electronic box 3 inner inflows.

Preferably, first 1-4-1 of pump portion is different with the height of second 1-4-2 of

pump portion impeller

20,50 separately, and pumping load is also corresponding different, along with the different a plurality of pump housings of capacity are connected on the single motor, can realize starting simultaneously, supplies with simultaneously.

And form water curtain, provide lubricated, the realization mechanism and the effect that promote cooling effect be identical with the respective embodiments described above.

Please join Figure 18 to Figure 25 c is the 5th mode of execution of the utility model submerged motor pump, and wherein Figure 18 is the integrally-built sectional view of submerged motor pump 1-5.The utility model submerged motor pump 1-5 utilizes whirligig 40 ' the inner rotor that is provided with 50 ' to rotate the power that produces to form motor A ', the power that utilizes motor A ' to produce, when making the rotary blade 70 ' starting of impeller casing 3 ', the water of outside is sucked and discharges, and the site of action that sucks and discharge is the B ' of pump portion.Form the impeller casing 3 ' and the whirligig 4 ' of one in the both sides of partition wall 5 ' and motor A ' and the B ' of pump portion are installed separately, and utilize the priming of motor A ' to utilize the B ' of pump portion that the water (fluid) that flows into or discharge is flowed between the inner rotor 50 ' with whirligig of fixing 40 ' and rotation of motor A ' again to generate water curtain.

Submerged motor pump 1-5 is combined to form with sleeve pipe 65 ' with bearing 55 ' and casing bit 60 ' and impeller 70 ' with whirligig 2 ' and impeller casing shell 30 ', whirligig 40 ' and whirligig support 45 '.Be installed in the inner rotor 50 ' of whirligig 40 ' and the unidirectional central line that inserts the central bearing 55 ' that combines brill and open opening 57 '.

Impeller casing 40 ' is the last end periphery of blade wheel chamber's 43 ' inner impeller casing 41 ' body that forms of garden barrel shape, and the mounting hole 42-1 ' wheel rim 42 ' of Zuaning forms as one at a certain distance.

Above-mentioned impeller casing shell 2 ' partition wall 5 ' formation toroidal, in central bore, and is installed the impeller casing 3 ' of weak point and long whirligig 4 ' formation one in peripheral both sides, form impeller 10 ' and whirligig chamber 20 ' in partition wall 5 ' both sides.

The outer rim of impeller casing 3 ' forms the discharge tube 15 ' of one, and tap hole 16 ' is communicated with impeller 10 '.The outer rim of impeller casing 3 ' forms bores the installation sheet 12 ' of opening mounting hole 13 ', and impeller casing shell 30 ' is installed then.

At the front end of impeller casing 3 ' impeller casing shell 30 ' is installed case coverboard 31 ' and partition wall 5 ' are formed unified shape, sidespin body 33 ' outside case coverboard 31 ' outer rim forms by a side direction forms suction chamber 34 '.Case coverboard 31 ' central authorities form the opposite direction of suction pipe 35 ' according to outer sidespin body 33 ', and the inlet hole 35-1 ' of suction pipe 35 ' is connected with suction chamber.

Rear end at whirligig 2 ', subsidy whirligig 60 ' one is fixed up, at subsidy whirligig 60 ', one is opened impeller casing 40 ' has been installed, at the inside of the impeller casing 40 ' the other end, at an end periphery of shorter garden bucket pipe 61 ', mounting hole 62-1 ' is set at a certain distance, these mounting holes are arranged on the wheel rim 62 ', and the bight of the wheel rim 62 ' that is connected with the periphery of garden bucket pipe 61 ' forms warpage real part 63 ' for its positive annular recess 64 ' that forms.

Particularly impeller casing 3 ' induces discharge enlarged portion 11 ', 32 ' to form with partition wall 5 ' and case coverboard 31 ' consistent direction respectively with the impeller casing coverboard.

The whirligig 2 ' of motor and the wheel rim 4 ', 12 ' of impeller 10 ' hit in the state of connecing mutually, utilize the same installation way of bolt/nut, interconnect and combine, the whirligig 2 ' of motor and the impeller 10 ' of pump combined, 10 ' ring-type nib 16 ' of impeller is inserted to whirligig 2 ' annular recess, strengthen combining ability.

Whirligig 2 ' inside and outside,, the rotary part 18 ' that is clipped in soft 17 ' possesses magnet 9 ', and coil 8 ' and magnet 9 ' be inside and outside to separate installation.

The rotary part of installing in the inside of whirligig 2 ' 18 ' is that the axle 17 ' on the bucket that forms with pottery in central authorities is inserted the type of forming as one firmly, both sides to the outstanding axle 17 ' of the front and back of rotary part 18 ', in dynamic electronic box body 26 ', the sleeve pipe 25 ' of some openings 28 ' that winding is arranged with certain spacing, the inside filling that forms the dynamic electronic box 3 ' of whirligig 2 ' is full of.Particularly to the both sides of the outstanding axle 17 ' of the front and back of rotary part 18 ', ball-type sleeve pipe 19 ' is inserted separately, dynamically the central authorities of the dynamic electronic box body 26 ' of electronic box 3 ' form ball-type sleeve pipe filling chamber 27 ', and ball-type sleeve pipe 19 ' is inserted into the 27 ' filling of sleeve pipe filling chamber.

Impeller has been installed in the end of the axle 17 ' that the impeller of installing at dynamic electronic box 3 ' 10 ' is introduced to blade wheel chamber 13 '.

The central authorities of the dynamic electronic box body 26 ' that forms dynamic electronic box 3 ', ball-type sleeve pipe 19 ' is inserted into the 27 ' filling of sleeve pipe filling chamber.Whirligig case 20 ' has been installed in the end of the axle of introducing to blade wheel chamber 13 ' 17 '.Inner peripheral below wheel rim 42 ', ring-type nib 46 ' forms as one, and inlet hole 45-1 ' is communicated with blade wheel chamber 43 '.

Inboard disconnected bank portion 47 ' has formed the periphery of interior plane of inclination 48 ' at the impeller casing body at the ring-type angle that communicates between the bottom surface central authorities of impeller casing body 41 ' and the suction pipe 45 ', the outstanding laterally formation of discharge tube 44 ', tap hole 44-1 ' is communicated with blade wheel chamber 43 '.

Axle of installing on the rotor and the material that is enclosed within the sleeve pipe on the casing bit on the axle are germanium.

The above only is a better embodiment of the present utility model; protection domain of the present utility model does not exceed with above-mentioned mode of execution; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of putting down in writing in claims.

Claims

1, a kind of submerged motor pump, it comprises that motor reaches and the motor pump body interconnected, it is characterized in that: motor is provided with whirligig, the rotary part that is provided with axle in the whirligig and rotates about axle, the pump housing is provided with impeller casing, is provided with impeller in the impeller casing, impeller casing and whirligig intercommunication, fluid section in the intake impeller case flows into the inside of whirligig, forms water curtain comprising between the whirligig of rotary part.

2, submerged motor pump according to claim 1 is characterized in that: this submerged motor pump also comprises suction pipe and the discharge tube that is interconnected with the impeller casing that is provided with impeller, and the upper end lateral margin of whirligig is provided with some fluid circulating holes so that fluid passes through.

3, submerged motor pump according to claim 1 and 2 is characterized in that: be provided with sleeve pipe in the rotary part bottom surface, the upper periphery of this sleeve pipe offers some openings of arranging at a certain distance.

4, submerged motor pump according to claim 1 is characterized in that: the motor two end part are provided with the first pump portion and the second pump portion respectively, and each pump portion is provided with impeller casing, is provided with impeller in each impeller casing.

5, submerged motor pump according to claim 4, it is characterized in that: each pump portion is provided with suction pipe, discharge tube and impeller casing separately, each impeller casing is provided with impeller separately, and the both sides of whirligig are provided with sleeve pipe, by certain spacing a plurality of fluid circulating holes is set on the sleeve pipe.

6, submerged motor pump according to claim 2 is characterized in that: whirligig is a cylinder frame shape, and is provided with dynamic electronic box, and end periphery is provided with wheel rim on dynamic electronic box, its inboard warpage real part and annular recess of forming.

7, according to claim 2 or 4 or 5 described submerged motor pumps, it is characterized in that: the impeller casing that is communicated with whirligig is the drum shape to one side open, portion forms blade wheel chamber within it, be provided with wheel rim at last end periphery, be provided with mounting hole with a determining deviation on the wheel rim, impeller casing is provided with the impeller casing body, and the periphery of this impeller casing body is outstanding laterally, the discharge tube that tap hole, blade wheel chamber are communicated with communicates with suction pipe, and the impeller casing body is provided with inboard disconnected bank portion and interior plane of inclination.

8, according to claim 2 or 3 or 5 described submerged motor pumps, it is characterized in that: the both sides of axle are adapter sleeve and ball-type sleeve pipe respectively, and dynamically the central position of electronic box is provided with ball-type sleeve pipe filling chamber, and spherical sleeve pipe promptly is arranged on sleeve pipe filling chamber.

9, according to the submerged motor pump under claim 3 or 5, it is characterized in that: dynamically electronic box is provided with wheel rim, with a determining deviation mounting hole is set on the wheel rim, and dynamically the inboard bight of the wheel rim of electronic box forms the warpage real part, which is provided with annular recess, to be connected with the waste pipe of drain opening.

10, submerged motor pump according to claim 3, it is characterized in that: the impeller casing that is communicated with combination with whirligig is the round barrel shape of one side open, end periphery is provided with mounting hole at a certain distance on impeller casing, and the suction pipe that is communicated with impeller casing is provided with suction port.

11, submerged motor pump according to claim 3 is characterized in that: be provided with a plurality of fluid circulating holes in a row in the rotary part, angulation θ 2 between the row, and angulation θ 3 between fluid circulating hole and the axle.

12, submerged motor pump according to claim 3 is characterized in that: the impeller in the impeller casing is provided with mandrel rod, and mandrel rod is provided with ring, is provided with some all holes on ring, and mandrel rod is provided with some wings, each wing angulation θ 1 with the ring middle position.

13, according to claim 3 or 5 described submerged motor pumps, it is characterized in that: the inside of axle is provided with fluid circulating hole along its length.

14, according to claim 4 or 5 described submerged motor pumps, it is characterized in that: the impeller casing that combines with whirligig is provided with the subsidy whirligig in addition.

15, according to claim 4 or 5 described submerged motor pumps, it is characterized in that: the blade wheel chamber of the impeller casing of the first pump portion and the aspect ratio of the impeller second pump portion and the height height of impeller.

16, submerged motor pump according to claim 12 is characterized in that: each wing angulation θ 1 is that 35 degree are between 50 degree.

17, submerged motor pump according to claim 14 is characterized in that: the subsidy whirligig is provided with drum pipe and wheel rim, and the bight of wheel rim forms warpage real part and annular recess.

18, a kind of submerged motor pump, it comprises motor that utilizes the inner rotor rotation generation power that is provided with of whirligig and the pump portion that fluid is sucked or discharges, motor is provided with axle, it is characterized in that: pump portion is provided with the impeller casing that utilizes the dynamic start that motor produces and is contained in impeller in the impeller casing, be provided with partition wall between motor and the pump portion, electric motor starting flows between the rotor of motor internal and whirligig and rotation the fluid that flows into or discharge again and generates water curtain.

19, submerged motor pump according to claim 18, it is characterized in that: partition wall is provided with intercommunicating pore and both sides form the impeller rotary box with discharge tube, the front end of impeller casing is installed the impeller casing shell, the inner whirligig that forms of rotary box with whirligig chamber, rotor and magnet and the coil of each self-separation installation sleeve on axle in the inside and outside of whirligig, offer opening in the rotor that is installed in whirligig inside and the unidirectional central line of axle, put sleeve pipe separately on the two side-prominent axles of rotor and be installed in the casing bit, the periphery of the casing bit of mounting sleeve is offered opening according to certain spacing, intercommunicating pore by partition wall is installed impeller at the front end of the axle that impeller casing exposes, and in the preceding central authorities of pump portion suction pipe is installed.

20, submerged motor pump according to claim 19 is characterized in that: axle of installing on the rotor and the material that is enclosed within the sleeve pipe on the casing bit on the axle are germanium.