CN201250787Y

CN201250787Y - Submersible pump

Info

Publication number: CN201250787Y
Application number: CNU2008201895964U
Authority: CN
Inventors: 劳缵球
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-03
Filing date: 2008-09-03
Publication date: 2009-06-03
Anticipated expiration: 2018-09-03

Abstract

The utility model discloses a submersible pump, which comprises an electric motor, a vane wheel, a diversion shell, an upper shaft and a lower shaft; wherein, the upper shaft is connected with the lower shaft by a shaft coupling; the lower shaft is connected with the rotor of the electric motor; an underwater rubber bearing is assembled on the upper end of the upper shaft; an underwater anti-thrust bearing is assembled on the lower end of the lower shaft; and both the underwater rubber bearing and the underwater anti-thrust bearing are wrapped by damp-proof, corrosion-proof layers. The utility model can prolong the service life and reduce the maintenance cost.

Description

Submersible pump

Technical field

The utility model relates to a kind of submersible pump, more particularly, relates to a kind of submersible pump of long service life.

Background technique

At present, traditional submersible pump, bearing for its upper and lower part, wherein, because the upper position of submersible pump is easily entry usually, thus the bearing susceptible on top, simultaneously, electricity was the easiest after the bearing of bottom was also seeped water into because of water pump body is influenced the life-span by the ponding dip, thereby has influenced use and performance, the life-span etc. of submersible pump.

The model utility content

The technical problems to be solved in the utility model provides a kind of submersible pump that can prolong life cycle and reduce maintenance cost.

In order to solve the problems of the technologies described above, the utility model has adopted following technological scheme:

A kind of submersible pump, described pump comprise motor, impeller, blower inlet casing, go up axle and lower shaft, and last axle is connected with lower shaft by a coupling, and lower shaft is connected with the rotor of motor; Rubber bush bearing under water is equipped with in upper end portion at last axle, in the underpart of lower shaft thrust bearing under water is housed, under water rubber bush bearing and under water the surface of thrust bearing all be enclosed with the moisture-proof anticorrosive layer.

In the technical program, on described rubber bush bearing under water, be provided with the silica gel sealing ring that is used to prevent entry.

In the technical program, described pump also includes and is used to prevent that extraneous rubbish is inhaled into the fountain water filter in the pump, and this fountain water filter is located at the pump outside.

The utility model by last upper end portion rubber bush bearing under water being housed, is equipped with under water thrust bearing in the underpart of lower shaft owing to adopted said structure, under water rubber bush bearing and under water the surface of thrust bearing all be enclosed with the moisture-proof anticorrosive layer.Therefore bearing of the present utility model has the performance of moisture-proof anticorrosive, avoid bearing to be subjected to the influence of water and influenced the life-span, its friction simultaneously damages little, so its life cycle has been prolonged and reduced the number of times of repair and replacement, has improved working life and has reduced cost.In addition, on the rubber bush bearing silica gel sealing ring is set under water, promptly the anti-entry position of rubber bush bearing is provided with silica gel sealing ring under water, has further improved performance of the present utility model; The fountain water filter can prevent that artificial rubbish is inhaled in the pump, and stuck bearing operation also causes burning out the coil of pump.

After the detailed description of reading mode of execution of the present utility model in conjunction with the accompanying drawings, it is clearer that characteristics of the present utility model and advantage will become.

Description of drawings

Fig. 1 is the structural representation of mode of execution of the present utility model.

Pump 1, water outlet 2, under water rubber bush bearing 3, taper sheath 4, go up blower inlet casing 5, go up axle 6, the stator 14 of the rotor 13 of blower inlet casing 7, impeller 8, coupling 9, water filling plug screw 10, water inlet joint 11, lower shaft 12, motor 15, motor 15, motor 15, lower leading axle bearing support 16, thrust bearing 17, bottom 18, drain screw 19, fountain water filter 20 under water under water.

Embodiment

With a mode of execution the utility model is described in further detail below, but should illustrates, protection domain of the present utility model is not limited only to this.

Fig. 1 has provided the structural representation of present embodiment.A kind of submersible pump, described pump 1 include water outlet 2, under water rubber bush bearing 3, taper sheath 4, go up blower inlet casing 5, go up axle 6, blower inlet casing 7, impeller 8, coupling 9, water filling plug screw 10, water inlet joint 11, lower shaft 12, motor 15, lower leading axle bearing support 16, thrust bearing 17, bottom 18, drain screw 19, fountain water filter 20 under water under water.Last axle 6 is connected with lower shaft 12 by coupling 9, and lower shaft 12 is connected with the rotor 13 of motor 15.Rubber bush bearing 3 is contained in axle 6 upper end portion under water, and thrust bearing 17 is contained in the underpart of lower shaft 12 under water, under water rubber bush bearing 3 and under water the surface of thrust bearing 17 all be enclosed with moisture-proof anticorrosive layer (not shown).Rubber bush bearing 3 is provided with the silica gel sealing ring (not shown) that is used to prevent entry under water, and promptly the anti-entry position of rubber bush bearing 3 is provided with silica gel sealing ring under water.Fountain water filter 20 is located at pump 1 outside, and this fountain water filter 20 is a stainless steel fountain water filter.

When present embodiment is used, drive lower shafts 12, go up axle 6 rotations by motor 15 earlier, and and then impeller 8 rotations, thereby in will water suction pump 1 and cooperate the effect of going up blower inlet casing 5, blower inlet casing 7, again water be sent into local the getting final product such as pipeline on ground.

Though described mode of execution of the present utility model in conjunction with the accompanying drawings; but those skilled in the art can make various distortion or modification within the scope of the appended claims; as long as be no more than the described protection domain of claim of the present utility model, all should be within protection domain of the present utility model.

Claims

1, a kind of submersible pump, described pump comprise motor, impeller, blower inlet casing, go up axle and lower shaft, and last axle is connected with lower shaft by a coupling, and lower shaft is connected with the rotor of motor; It is characterized in that: rubber bush bearing under water is equipped with in the upper end portion at last axle, in the underpart of lower shaft thrust bearing under water is housed, under water rubber bush bearing and under water the surface of thrust bearing all be enclosed with the moisture-proof anticorrosive layer.

2, submersible pump according to claim 1 is characterized in that: be provided with the silica gel sealing ring that is used to prevent entry on described rubber bush bearing under water.

3, submersible pump according to claim 1 and 2 is characterized in that: described pump also includes and is used to prevent that extraneous rubbish is inhaled into the fountain water filter in the pump, and this fountain water filter is located at the pump outside.