CN219672877U - Constant flow multi-lift submersible pump - Google Patents

Abstract

The utility model discloses a constant flow multi-lift submersible pump, which comprises a flow guiding shell, wherein a water pump motor and an impeller structure are arranged in the flow guiding shell, the impeller structure comprises an impeller bin, a base pipe fixed in the impeller bin and an impeller pipe fixed in the base pipe, the bottom end of the base pipe is fixedly connected with the top end of the flow guiding shell, blades are fixed on the outer side of the impeller pipe, a bottom pipe is fixed at the bottom end, a convex structure is fixed on the outer side of the bottom pipe, a guide plate is fixed on the outer side of the base pipe, the base pipe and the impeller pipe are of hollow tubular structures, positioning holes are formed in the middle parts of the base pipe and the impeller pipe, and then a motor shaft and the positioning holes in the middle parts of the impeller pipe are connected and fixed.

Description

Constant flow multi-lift submersible pump

Technical Field

The utility model relates to the field of submersible pump devices, in particular to a constant-flow multi-lift submersible pump.

Background

Before the submersible pump is started, the suction pipe and the pump must be filled with liquid. After the pump is started, the impeller rotates at a high speed, liquid in the submersible pump rotates along with the blades, flies away from the impeller to be ejected outwards under the action of centrifugal force, the ejected liquid gradually slows down in the diffusion chamber of the pump shell, the pressure gradually increases, and then the liquid flows out of the pump outlet and the discharge pipe. At this time, a vacuum low-pressure area without air and liquid is formed at the center of the blade because the liquid is thrown to the periphery, the liquid in the liquid pool flows into the submersible pump through the suction pipe under the action of the atmospheric pressure of the pool surface, and the liquid is sucked from the liquid pool continuously and flows out of the discharge pipe continuously.

The conventional submersible pump for the well often has the problem that an impeller made of stainless steel is corroded in the use process, and the service life of the product is short.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the constant-flow multi-lift submersible pump, through the arranged bulge and groove structures, a user can clamp and fix the bulge on the bottom tube and the groove in the positioning hole, then the motor shaft is connected and fixed with the positioning hole in the middle of the impeller tube, the connection and the fixation are realized, the friction loss between the blades and the impeller bin can be reduced by the anti-abrasion layer arranged on the impeller bin, the service time is prolonged, the sealing ring arranged on the impeller tube can realize the tight connection with the motor shaft, the external liquid entering is reduced, and the corrosion of the internal structure is further avoided.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a constant flow multi-lift immersible pump, includes the water conservancy diversion casing, the inside of water pump motor and impeller structure are provided with of water conservancy diversion casing, including impeller storehouse, fixed and the inside base pipe in impeller storehouse and the impeller pipe of being fixed in the base intraductal in impeller structure, the bottom and the top fixed connection of water conservancy diversion casing of base pipe, the outside of impeller pipe is fixed with the blade, and bottom mounting has a bottom pipe, the outside of bottom pipe is fixed with protruding structure, the outside of base pipe is fixed with the guide plate, base pipe and impeller pipe are hollow tubular structure, and all offer the locating hole in its middle part, the recess has been seted up to the middle part lateral wall of base pipe.

As a preferable technical scheme of the utility model, the size of the protruding structure is matched with the size of the groove, and the blades and the guide plates are fixed obliquely to the axis.

As a preferable technical scheme of the utility model, the top end of the impeller tube is provided with an annular groove structure, and a sealing ring is arranged in the annular groove.

As a preferable technical scheme of the utility model, a plurality of groups of blades and guide plates are arranged in an array mode at equal intervals.

As a preferable technical scheme of the utility model, an inner groove structure is arranged in the middle of the top end of the impeller bin, and an anti-wear layer is fixed in the inner groove.

As a preferable technical scheme of the utility model, the impeller structure is made of plastic materials, and the wear-resistant layer is made of wear-resistant ceramic.

Compared with the prior art, the utility model has the following beneficial effects:

1. in this device, through setting up inclined blade and guide plate structure, the rivers can reach the guide plate under the effect of impeller's centrifugal force, and because the blade is spiral structure, then through impeller exhaust rivers can exist to the trend that the direction of motion moved, have contained angle (slope setting reason) between its and impeller's axis, and the guide plate has certain contained angle then can make things convenient for the removal of water with the axial of impeller seat.

2. In this device, through protruding and the groove structure that sets up, the user can be through the protruding of bottom tube and the downthehole recess of locating hole card establish fixedly, connect the locating hole at motor shaft and impeller pipe middle part again fixedly, realize connecting fixedly, the wearing layer that sets up on the impeller storehouse reducible blade and the friction loss between the impeller storehouse, increase of service time, and the sealing washer that sets up on the impeller pipe can realize with the zonulae occludens of motor shaft, reduce outside liquid and get into, and then avoid inner structure corrosion.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an impeller according to the present utility model;

fig. 3 is a split view of the impeller structure of the present utility model.

Wherein: 1. a deflector housing; 2. a water pump motor; 3. an impeller structure; 31. an impeller bin; 311. an abrasion-proof layer; 32. an impeller tube; 321. a blade; 322. a bottom tube; 323. a seal ring; 33. a base tube; 331. a deflector; 332. and positioning holes.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-3, the utility model provides a constant-flow multi-lift submersible pump, which comprises a diversion shell 1, wherein a water pump motor 2 and an impeller structure 3 are arranged in the diversion shell 1, the impeller structure 3 comprises an impeller bin 31, a base pipe 33 fixed in the impeller bin 31 and an impeller pipe 32 fixed in the base pipe 33, the bottom end of the base pipe 33 is fixedly connected with the top end of the diversion shell 1, blades 321 are fixed on the outer side of the impeller pipe 32, a bottom pipe 322 is fixed at the bottom end, a convex structure is fixed on the outer side of the bottom pipe 322, a diversion plate 331 is fixed on the outer side of the base pipe 33, the base pipe 33 and the impeller pipe 32 are of hollow tubular structures, positioning holes 332 are formed in the middle parts of the base pipe 33, and grooves are formed in the side walls of the middle parts of the base pipe 33; through protruding and groove structure that sets up, the user can be through the protruding of bottom tube 322 with the recess in the locating hole 332 card establish fixedly, connect the locating hole 332 at motor shaft and impeller pipe 32 middle part again fixedly, realize connecting fixedly, the friction loss between impeller storehouse 31 and the reducible blade 321 of wearing layer 311 that sets up on impeller storehouse 31, increase of service time, and the sealing washer 323 that sets up on impeller pipe 32 can realize with the zonulae occludens of motor shaft, reduce outside liquid and get into, and then avoid inner structure corrosion.

In other embodiments, the dimensions of the raised structures are adapted to the dimensions of the grooves; an annular groove structure is formed in the top end of the impeller tube 32, and a sealing ring 323 is arranged in the annular groove; the blades 321 and the guide plates 331 are all arrayed equidistantly and are provided with a plurality of groups; an inner groove structure is arranged in the middle of the top end of the impeller bin 31, and an anti-wear layer 311 is fixed in the inner groove; the impeller structure 3 is made of plastic, and the wear-resistant layer 311 is made of wear-resistant ceramic; through setting up inclined blade 321 and guide plate 331 structure, the rivers can reach guide plate 331 under the effect of impeller's centrifugal force, and because blade 321 is spiral structure, then through the trend that impeller exhaust rivers can exist to the direction of motion, there is the contained angle (slope setting reason) between its and the axis of impeller, and guide plate 331 has certain contained angle then can make things convenient for the removal of water with the axial of impeller seat.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a constant flow multi-lift immersible pump, includes water conservancy diversion casing (1), the inside of water conservancy diversion casing (1) is provided with water pump motor (2) and impeller structure (3), its characterized in that: the impeller structure (3) comprises an impeller bin (31), a base pipe (33) fixed inside the impeller bin (31) and an impeller pipe (32) fixed inside the base pipe (33), wherein the bottom end of the base pipe (33) is fixedly connected with the top end of the flow guiding shell (1), blades (321) are fixed on the outer side of the impeller pipe (32), a bottom pipe (322) is fixed on the bottom end, a protruding structure is fixed on the outer side of the bottom pipe (322), a guide plate (331) is fixed on the outer side of the base pipe (33), the base pipe (33) and the impeller pipe (32) are of hollow tubular structures, positioning holes (332) are formed in the middle parts of the base pipe and the impeller pipe, and grooves are formed in the side walls of the middle parts of the base pipe (33).

2. The constant flow multi-head submersible pump of claim 1, wherein: the size of the protruding structure is matched with the size of the groove, and the blades (321) and the guide plates (331) are fixed obliquely to the axis.

3. The constant flow multi-head submersible pump of claim 1, wherein: an annular groove structure is formed in the top end of the impeller tube (32), and a sealing ring (323) is arranged in the annular groove.

4. The constant flow multi-head submersible pump of claim 1, wherein: the blades (321) and the guide plates (331) are arranged in an array mode at equal intervals.

5. The constant flow multi-head submersible pump of claim 1, wherein: an inner groove structure is arranged in the middle of the top end of the impeller bin (31), and an anti-abrasion layer (311) is fixed in the inner groove.

6. The constant flow multi-head submersible pump of claim 5, wherein: the impeller structure (3) is made of plastic, and the wear-resistant layer (311) is made of wear-resistant ceramic.