CN2192750Y

CN2192750Y - D.C. submersible pump for ship

Info

Publication number: CN2192750Y
Application number: CN 94208088
Authority: CN
Inventors: 谢士云; 薛建华; 谢友根
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-08
Filing date: 1994-04-08
Publication date: 1995-03-22
Anticipated expiration: 2004-04-08

Abstract

The utility model relates to a direct current submersible pump for ships. The utility model is composed of a back hood cover, a pump body, an electric motor front end cover, an electric motor back end cover, a pump cover, a direct current electric motor assembly, an impeller wheel, etc. The direct current electric motor assembly is arranged on the pump body. The shaft of the electric motor is penetrated through the pump body, and is connected with the impeller. The back hood cover and the pump cover are arranged on the pump body. The direct current electric motor is arranged in the sealing space which is formed by the pump body and the back hood cover. The impeller is positioned in the space which is formed by the pump body and the pump cover. The utility model has the advantages of simple structure, compact structure, high efficiency of the pump, good waterproof property, small volume of the pump, light weight, and small temperature rising of the electric motor.

Description

D.C. submersible pump for ship

The utility model relates to a kind of water pump, and draining is used on particularly a kind of ship, uses the submersible pump of the translator of DC power supply.

Mostly there are many defectives in existing water pump peculiar to vessel commonly used, being called Submerged Motor Pumps, document number as Patent Office of the People's Republic of China's invention disclosed name is 89205821 Chinese patent, this Submerged Motor Pumps is not provided with turnover water pipe, directly and the supporting use of motor-pumped well, water pump power can adopt submersible motor, also can adopt common electric machine.Adopt the Submerged Motor Pumps outside of common electric machine that the sealing bell jar is housed.3 to 5 road water shutoff circles are housed on the pump shell, are used for the gap between water-sealed pump and the wall casing, this Submerged Motor Pumps weight is big, using effect is relatively poor; And for example application number is 89216304, denomination of invention is single-phase water cold type submersible pump, and its main structure is that the water intake of the suction side of motor and hydroecium and impeller links by the water port, is full of WATER AS FLOW MEDIUM in the motor.Water intake in the impeller suction side has a filter screen, by above and between the bottom surface of impeller a filter pad is housed, impurity in the anti-sealing enters in the cavity of motor, damage motor, pump was lost efficacy, the utility model adopts the mode of water-cooled, this submersible pump complex structure, and the motor applied voltage is higher.

The purpose of this utility model be to overcome the deficiencies in the prior art and provide a kind of compact structure, pump efficiency height, direct current submersible pump peculiar to vessel that water-proof performance is good.

The utility model is realized in the following manner: direct current submersible pump peculiar to vessel of the present utility model, assembly by rear casing, handgrip, titting water outlet, the pump housing, back end cover for motor, motor front cover, pump cover, direct current generator assembly, impeller, elastic cable paper, the direct current generator assembly is positioned on the pump housing by bolt, the motor shaft of direct current generator passes the pump housing and links to each other with impeller, back cover cap, pump cover are positioned on the pump housing by bolt, direct current generator is contained in the seal space of the pump housing and rear casing formation, and impeller is in the space of the pump housing and pump cover formation.

Direct current submersible pump peculiar to vessel of the present utility model has characteristics such as simple in structure, compact, reasonable, and pump efficiency height, water-proof performance are good.Owing to adopt dc motor speed very high, make that the pump volume that designs is little, in light weight and have good performance.The temperature rise of its motor is little in use, cooling performance is preferable for the utility model.

For introducing direct current submersible pump peculiar to vessel of the present utility model in detail, be elaborated below in conjunction with accompanying drawing:

Fig. 1 is the whole assembly structure figure of the utility model direct current submersible pump peculiar to vessel;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the schematic representation of rear casing among Fig. 1;

Fig. 4 is the floor map of the back end cover for motor among Fig. 1;

Fig. 5 is the floor map of the motor front cover among Fig. 1;

Fig. 6 is the armature structure schematic representation among Fig. 1;

Fig. 7 is the A-A sectional view of Fig. 6;

Fig. 8 is the punching schematic representation of armature rotor among Fig. 6;

Fig. 9 is the floor map of motor stator among Fig. 1;

Figure 10 is the front schematic view of Fig. 9;

Figure 11 is the plane structure chart of Fig. 1 middle pump body;

Figure 12 is the B-B sectional structure chart of Figure 11;

Figure 13 is the structural drawing of electric motor with vane wheel;

Figure 14 is the top view of Figure 13;

Figure 15 is the structural representation of the pump cover among Fig. 1;

Figure 16 is the C-C sectional view of Figure 15.

Referring to Fig. 1, direct current submersible pump peculiar to vessel of the present utility model, form by rear casing 1, handgrip 2, titting water outlet 3, the pump housing 4, back end cover for motor 6, motor front cover 5, pump cover 7, direct current generator assembly 8, impeller 9, elastic cable paper assembling 10, direct current generator assembly 8 is positioned on the pump housing 4 by bolt, the motor shaft of direct current generator passes the pump housing 4 and links to each other with impeller 9, back cover cap 1, pump cover 7 are positioned on the pump housing 4 by bolt, direct current generator is contained in the seal space of the pump housing 4 and rear casing 1 formation, and impeller 9 is in the space of the pump housing 4 and pump cover 7 formations.

Referring to Fig. 1,2,3, be equipped with a handgrip 2 at the top of rear casing 1, so that guide and support submersible pump; Titting water outlet 3 is in a sidepiece of whole submersible pump.Rear casing 1 is a tubular, and elastic cable paper outlet 11 is arranged at the top, and elastic cable paper outlet 11 is passed in elastic cable paper assembling 10.

Ginseng Fig. 1,4,5,6,8,9,10, direct current generator assembly 8 includes motor shaft 81, carbon brush assembly 82, armature 83, motor stator 84, commutator 85; Motor shaft 81 is positioned on back end cover for motor 6, the motor front cover 5 by the bearing at two ends, and an end of motor shaft 81 stretches out motor front cover 6 and the pump housing 4 links to each other with impeller 9; Back, front cover 6, the 5 usefulness bolts of motor pass the through hole of motor stator 84 and tighten together; Motor front cover 6 is by being bolted on the pump housing 4.Only draw two electric wire slot for windings 86 among Fig. 8; The effect of the bolt hole among Fig. 4,5 mainly is to be used for fixing motor, does not elaborate at this; The assembling of the electric wire winding of motor stator and stator is with to have motor now identical among Fig. 9,10.

Referring to Fig. 6,7, armature 83 includes staor winding circle 12, stator coil pressing plate 13, stator core 14, and motor shaft 81 is through the center of stator core 14.

Referring to Fig. 1,11,12, have water outlet 41, motor axis hole 42 on the pump housing 4; Water outlet 41 is corresponding with titting water outlet 3; Two ends, motor axis hole 42 innner and outer are equipped with Sealing, enter in the motor with waterproof.

Referring to Fig. 1,13,14, impeller 9 revolves the worm leaf wheel for open type, and blade 15 numbers are generally 4 to 6; Impeller and motor shaft are fixed together.

Referring to Fig. 1,15,16, there is water intake 16 at pump cover 7 centers, and water intake top is formed with the water flow passage 17 of a snail shape, the water outlet 41 of the water flow passage 17 straight-through pump housings 4.

Can be equipped with an air bag on the above-mentioned rear casing, for machine operation and " breathing " when stopping, anti-sealing enters in the motor; The structure of air bag can be bellows of the prior art, because it is simple in structure, does not illustrate on figure.

Referring to Fig. 1, the below of pump cover 7 is equipped with a front cover 18 that has a filter opening by bolt, in case silt etc. enter in the pump.

The utility model is voltage available 12V, 24V or higher power voltage supply in use, and its rotating speed of motor is up to up to ten thousand rev/mins, and embodiment wherein is 10 meters of lifts, and flow is 3T/ hour.

In the disclosed technology, all be existing ordinary skill in the utility model as bolt, screw and screw etc. on the various members.

Claims

1, direct current submersible pump peculiar to vessel, form by rear casing 1, handgrip 2, titting water outlet 3, the pump housing 4, back end cover for motor 6, motor front cover 5, pump cover 7, direct current generator assembly 8, impeller 9, elastic cable paper assembling 10, it is characterized in that: direct current generator assembly 8 is positioned on the pump housing 4 by bolt, the motor shaft of direct current generator passes the pump housing 4 and links to each other with impeller 9, back cover cap 1, pump cover 7 are positioned on the pump housing 4 by bolt, direct current generator is contained in the seal space of the pump housing 4 and rear casing 1 formation, and impeller 9 is in the space of the pump housing 4 and pump cover 7 formations.

2, direct current submersible pump peculiar to vessel according to claim 1 is characterized in that above-mentioned impeller 9 revolves the worm leaf wheel for open type.

3, direct current submersible pump peculiar to vessel according to claim 1 is characterized in that there is water intake 16 at above-mentioned pump cover 7 centers, and water intake top is formed with the water flow passage 17 of a snail shape, the water outlet 41 of the straight-through pump housing of water flow passage.

4, according to claim 1 or 2 or 3 described direct current submersible pumps peculiar to vessel, it is characterized in that to be equipped with an air bag on the above-mentioned rear casing 1.

5, according to claim 1 or 2 or 3 described direct current submersible pumps peculiar to vessel, the below that it is characterized in that above-mentioned pump cover 7 is equipped with a front cover 18 that has a filter opening by bolt.

6, direct current submersible pump peculiar to vessel according to claim 1 is characterized in that above-mentioned direct current generator assembly 8 includes motor shaft 81, carbon brush assembly 82, armature 83, motor stator 84, commutator 85; Motor shaft 81 is positioned on back end cover for motor 6, the motor front cover 5 by the bearing at two ends, and an end of motor shaft 81 stretches out motor front cover 6 and the pump housing 4 links to each other with impeller 9; Back, front cover 6, the 5 usefulness bolts of motor pass the through hole of motor stator 84 and tighten together; Motor front cover 6 is by being bolted on the pump housing 4.

7, direct current submersible pump peculiar to vessel according to claim 1 is characterized in that above-mentioned armature 83 includes staor winding circle 12, stator coil pressing plate 13, stator core 14, and motor shaft 81 is through the center of stator core 14.

8, direct current submersible pump peculiar to vessel according to claim 1 is characterized in that having on the above-mentioned pump housing 4 water outlet 41, motor axis hole 42; Water outlet 41 is corresponding with titting water outlet 3; Two ends, motor axis hole 42 innner and outer are equipped with Sealing.