CN212867958U - Deep well pump - Google Patents

Abstract

The utility model discloses a deep well pump, relating to the technical field of pumps, which comprises a motor and a pump body, wherein the motor is positioned above the pump body, a pump shaft is arranged in the pump body, the output end of the motor is fixedly connected with the top end of the pump shaft, the bottom of the pump body is fixedly connected with a water inlet end, the bottom of the pump shaft is rotatably connected with a lower bearing sleeve through a lower bearing, a plurality of water pumping mechanisms are arranged on the pump shaft above the lower bearing sleeve, each water pumping mechanism comprises an impeller, a guide vane, an impeller retaining sleeve, a lower shaft sleeve, a lower mechanical seal and an impeller shell, the impeller is fixedly arranged on the pump shaft through a key, a guide vane is arranged above the impeller and is in a bell mouth shape, the impeller baffle sleeve is fixedly connected to the inner side of the horn mouth of the guide vane, and a lower shaft sleeve and a lower mechanical seal are arranged between the guide vane and the pump shaft. The utility model discloses when maintaining the motor, simple and convenient, labour saving and time saving goes out soft safety of water.

Description

Deep well pump

Technical Field

The utility model relates to a pump technical field specifically is a deep-well pump.

Background

The deep well pump is a machine for extracting water deeply into a well bore, is immersed into an underground well for pumping and delivering water, and is widely applied to mine emergency, construction drainage, agricultural irrigation, industrial water circulation, hot spring water discharge, drinking water supply for urban and rural residents and the like. The deep-well pump mainly comprises a motor and a pump body, the motor of the existing deep-well pump is generally positioned at the lower part of the pump body, if the motor is damaged, the whole deep-well pump needs to be pumped out for maintenance, the maintenance is difficult, and the deep-well pump can pump up deep water due to the fact that the deep-well pump needs large water pressure, so that the water pressure at the water outlet end is too large, the pumped water can be sprayed out, and danger is easy to occur.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a deep-well pump has solved the current deep-well pump that provides among the above-mentioned background art and has been unfavorable for maintaining the motor, the too big problem of export water pressure.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

in order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a deep well pump comprises a motor and a pump body, wherein the motor is positioned above the pump body, a pump shaft is arranged inside the pump body, the output end of the motor is fixedly connected with the top end of the pump shaft, the bottom of the pump body is fixedly connected with a water inlet end, the bottom of the pump shaft is rotatably connected with a lower bearing sleeve through a lower bearing, a plurality of water pumping mechanisms are arranged above the lower bearing sleeve on the pump shaft, each water pumping mechanism comprises an impeller, a guide vane, an impeller retaining sleeve, a lower shaft sleeve, a lower mechanical seal and an impeller shell, the impeller is fixedly arranged on the pump shaft through a key, the guide vane is arranged above the impeller and is in a horn mouth shape, the impeller retaining sleeve is fixedly connected with the inner side of the horn mouth of the guide vane, the lower shaft sleeve and the lower mechanical seal are arranged between the pump shaft, and the lower shaft sleeve is rotatably connected with the, the utility model discloses a pump shaft, including pump shaft, stator, pump shaft top, pump shaft bottom, pump shaft top, pump shaft bottom, the top fixed mounting of water pipe is in the inside of the pump end.

Further, air pipes are fixedly connected among the lower bearing sleeve, the water stop baffle and the upper bearing sleeve.

Furthermore, a plurality of water holes are formed in the outer portion of the water inlet end, and a plurality of water holes are formed in the outer portion of the water outlet end.

Furthermore, the water stop baffle is of a hollow structure, and a plurality of small holes are formed in the water stop baffle.

Further, flange has all been welded at the top of impeller shell and bottom, a plurality of screw holes have been seted up on the flange.

Furthermore, the top and the bottom of the shaft sleeve gland are fixedly arranged on the water retaining sleeve through clamping blocks.

Furthermore, 5-10mm gaps are reserved between the impeller and the guide vanes and the impeller shell.

(III) advantageous effects

The utility model provides a deep-well pump possesses following beneficial effect:

(1) this deep-well pump through set up on the pump body at the motor to spill the earth's surface, when making the maintenance personal to the motor maintenance, simple and convenient, labour saving and time saving.

(2) This deep-well pump sets up a stagnant water baffle through the position that is close to out the water end at the water pipe, can convert the water that has pressure into upwards slowly upwards driven water for the water pressure of play water end reduces, goes out the soft safety of water.

Drawings

FIG. 1 is a schematic perspective view of a deep well pump according to the present invention;

FIG. 2 is a schematic structural view of the deep well pump at the position A in FIG. 1;

fig. 3 is a schematic diagram of the structure at B of fig. 2 of the deep well pump of the present invention.

In the figure: 1. a motor; 2. a pump body; 3. a water inlet end; 4. a pump shaft; 5. a lower bearing; 6. a lower bearing sleeve; 7. an impeller; 8. a guide vane; 9. an impeller retaining sleeve; 10. a lower shaft sleeve; 11. sealing off the machine; 12. an impeller housing; 13. a water blocking sleeve; 14. a water pipe; 15. a shaft sleeve; 16. a shaft sleeve gland; 17. a water stop baffle; 18. A water outlet end; 19. an upper bearing; 20. and (4) an upper bearing sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

a deep well pump comprises a motor 1 and a pump body 2, wherein the motor 1 is positioned above the pump body 2, the motor 1 is arranged on the pump body 2 and leaks out of the earth surface, so that maintenance personnel can maintain the motor 1 simply and conveniently, time and labor are saved, a pump shaft 4 is arranged inside the pump body 2, the output end of the motor 1 is fixedly connected with the top end of the pump shaft 4, the bottom of the pump body 2 is fixedly connected with a water inlet end 3, a plurality of water holes are formed in the outer part of the water inlet end 3, the bottom of the pump shaft 4 is rotatably connected with a lower bearing sleeve 6 through a lower bearing 5, a plurality of water pumping mechanisms are arranged above the lower bearing sleeve 6 on the pump shaft 4, each water pumping mechanism comprises an impeller 7, a guide vane 8, an impeller retaining sleeve 9, a lower shaft sleeve 10, a lower mechanical seal 11 and an impeller shell 12, the impeller 7 is fixedly arranged on the pump shaft 4 through keys, the guide vane 8 is in a bell mouth shape, an impeller retaining sleeve 9 is fixedly connected to the inner side of the bell mouth of the guide vane 8, a lower shaft sleeve 10 and a lower mechanical seal 11 are arranged between the guide vane 8 and the pump shaft 4, the lower shaft sleeve 10 is rotatably connected with the pump shaft 4, the lower mechanical seal 11 is fixed in a gap between the lower shaft sleeve 10 and the inner part of the guide vane 8 at the bottom of the guide vane 8 through a locking block, an impeller shell 12 is arranged outside the impeller 7 and the guide vane 8, a gap of 5-10mm is reserved between the impeller 7 and the guide vane 8 and the impeller shell 12, connecting flanges are welded at the top and the bottom of the impeller shell 12, a plurality of screw holes are arranged on the connecting flanges and can be mutually matched and connected, a water pipe 14 is fixedly connected at the top of the impeller shell 12 of the water pumping mechanism at the uppermost part of the pump shaft 4 through a locking device, a water retaining sleeve 13 is fixedly connected above the, a shaft sleeve gland 16 is fixedly connected to the outside of the shaft sleeve 15, the top and the bottom of the shaft sleeve gland 16 are fixedly arranged on the water blocking sleeve 13 through clamping blocks, a water stopping baffle plate 17 is fixedly connected to the outside of the shaft sleeve gland 16, the water stopping baffle plate 17 is of a hollow structure, and a plurality of small holes are arranged on the water stop baffle 17, the position of the water pipe 14 close to the water outlet end 18 is provided with the water stop baffle 17, can be with the water that has pressure convert the water into upwards slowly upwards driven water for go out water end 18's water pressure and reduce, go out soft safety of water, the outside of pump shaft 4 upper end is rotated through upper bearing 19 and is connected with upper bearing housing 20, lower bearing housing 6, equal fixedly connected with trachea between stagnant water baffle 17 and the upper bearing housing 20, the right side below of upper bearing housing 20 is provided with out water end 18, the top fixed mounting of water pipe 14 is in the inside of going out water end 18, it is provided with a plurality of water holes to go out water end 18 outside.

The working principle is that when the deep well pump is used, a proper number of water pumping mechanisms are firstly configured according to the length of the deep well, if the deep well is too deep, a plurality of water pumping mechanisms are additionally assembled to ensure enough power to pump water, then the deep well pump is sunk into the well and fixed, after the deep well pump is fixed, the motor 1 is switched on, the output end of the motor 1 drives the pump shaft 4 to rotate, the pump shaft 4 drives the impeller 7 to rotate through a key, the rotation of the impeller 7 drives the liquid in the well to flow into the impeller shell 12 through the water inlet end 3, then the liquid is thrown to the guide vane 8 by the impeller 7 under the action of centrifugal force, and a plurality of pumping mechanisms pressurize layer by layer, so that the liquid has huge power and is further sent to the ground, when the liquid reaches the water stop baffle 17, the water stop baffle 17 can stop the liquid to reduce the pressure of the liquid, and the water stop baffle 17 effectively reduces the generation of water hammer, so that the water flow finally flowing to the water outlet end 18 is smooth.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A deep well pump comprises a motor (1) and a pump body (2), and is characterized in that the motor (1) is positioned above the pump body (2), a pump shaft (4) is arranged inside the pump body (2), the output end of the motor (1) is fixedly connected with the top end of the pump shaft (4), the bottom of the pump body (2) is fixedly connected with a water inlet end (3), the bottom of the pump shaft (4) is rotatably connected with a lower bearing sleeve (6) through a lower bearing (5), a plurality of water pumping mechanisms are arranged above the lower bearing sleeve (6) of the pump shaft (4), each water pumping mechanism comprises an impeller (7), a guide vane (8), an impeller retaining sleeve (9), a lower bearing sleeve (10), a lower mechanical seal (11) and an impeller shell (12), the impeller (7) is fixedly arranged on the pump shaft (4) through a key, the guide vane (8) is arranged above the impeller (7), the utility model discloses a pump, including pump shaft (4), stator (8), pump shaft (4), pump shaft (8), stator (8) and pump shaft (4), be provided with down axle sleeve (10) and lower machine seal (11) between the horn mouth inboard fixedly connected with spacer sleeve (9) of stator (8), rotate between lower axle sleeve (10) and the pump shaft (4) and be connected, stator (8) bottom is fixed lower machine seal (11) in the inside gap of lower axle sleeve (10) and stator (8) through the latch segment, the outside of impeller (7) and stator (8) sets up impeller shell (12), the top of the impeller shell (12) of the uppermost mechanism that draws water of pump shaft (4) passes through locking device fixedly connected with water pipe (14), stator (8) top of the uppermost mechanism that draws water of pump shaft (4) passes through fixture block fixedly connected with water blocking sleeve (13), the surface rotation in pump shaft (4) middle part is connected, the pump is characterized in that a shaft sleeve gland (16) is fixedly connected to the outer portion of the shaft sleeve (15), a water stop baffle (17) is fixedly connected to the outer portion of the shaft sleeve gland (16), an upper bearing sleeve (20) is rotatably connected to the outer portion of the upper end of the pump shaft (4) through an upper bearing (19), a water outlet end (18) is arranged below the right side of the upper bearing sleeve (20), and the top end of the water pipe (14) is fixedly installed inside the water outlet end (18).

2. A deep-well pump according to claim 1,

air pipes are fixedly connected among the lower bearing sleeve (6), the water stop baffle (17) and the upper bearing sleeve (20).

3. A deep-well pump according to claim 1,

a plurality of water holes are formed in the outer portion of the water inlet end (3), and a plurality of water holes are formed in the outer portion of the water outlet end (18).

4. A deep-well pump according to claim 1,

the water stop baffle (17) is of a hollow structure, and a plurality of small holes are formed in the water stop baffle (17).

5. A deep-well pump according to claim 1,

connecting flanges are welded at the top and the bottom of the impeller shell (12), and a plurality of screw holes are formed in the connecting flanges.

6. A deep-well pump according to claim 1,

the top and the bottom of the shaft sleeve gland (16) are fixedly arranged on the water blocking sleeve (13) through clamping blocks.

7. A deep-well pump according to claim 1,

and 5-10mm gaps are reserved between the impeller (7) and the guide vane (8) and the impeller shell (12).

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