CN215979918U - Vertical centrifugal pump - Google Patents

Abstract

The utility model discloses a vertical centrifugal pump which comprises a pump body, wherein the lower part of the inner wall of the pump body is rotationally connected with an impeller through a pump body sealing ring, the upper end of the pump body is provided with a pump cover, a sealing gland is arranged in the center of the upper part of the pump cover, a pump shaft is arranged in the upper end of the impeller, the lower part of the outer wall of the pump shaft is rotationally connected with the sealing gland through a mechanical seal, the upper end of the pump body is fixedly connected with a motor through a bracket, and an output shaft of the motor is connected with the pump shaft in an inserted manner. This vertical centrifugal pump, through the cooperation between motor, pump shaft, the pump body, impeller, bracket and the pump cover, the user can install or dismantle the motor at any time as required, because the motor is in the outside of the pump body, and adopts the mode of pegging graft to be connected between the output shaft of motor and the pump shaft, so the dismouting process of motor is comparatively light in prior art, has avoided comparatively difficult loaded down with trivial details problem when carrying out centrifugal pump motor power's dismantlement installation.

Description

Vertical centrifugal pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a vertical centrifugal pump.

Background

The centrifugal pump has multiple forms such as vertical, horizontal, single-stage, multistage, single suction, double suction, from inhaling the formula, the centrifugal pump utilizes the impeller rotation and makes water take place centrifugal motion and come work, the water pump is before starting, must make pump case and suction tube fill with water, then the starter motor, make the pump shaft drive impeller and water be high-speed rotary motion, water takes place centrifugal motion, be got rid of to the impeller outer fringe, flow into the pressurized water pipeline of water pump through the runner of snail pump case, though prior art's centrifugal pump can be thought of and is realized pumping water and use, but prior art's centrifugal pump exists the comparatively difficult loaded down with trivial details problem when carrying out the dismantlement installation of centrifugal pump power motor before the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical centrifugal pump to solve the problem that the power motor of the centrifugal pump is difficult and complicated to disassemble and assemble in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vertical centrifugal pump, includes the pump body, the inner wall below of the pump body is passed through pump body sealing ring and is rotated with the impeller and link to each other, the pump cover is installed to the upper end of the pump body, the top center internally mounted of pump cover has gland, the upper end internally mounted of impeller has the pump shaft, the outer wall below of pump shaft is passed through mechanical seal and is rotated with gland and link to each other, the upper end of the pump body is passed through the bracket and is fixed continuous with the motor, the output shaft and the pump shaft of motor are pegged graft and are linked to each other.

Preferably, a water inlet is formed in the right side of the pump body, and a water outlet is formed in the left side of the pump body.

Preferably, lubricating oil supplementing structures are processed above the outer walls of the water inlet and the water outlet.

Compared with the prior art, the utility model has the beneficial effects that: this vertical centrifugal pump, through the motor, the pump shaft, the pump body, the impeller, cooperation between bracket and the pump cover, it drives its rotation to make the grafting between the output shaft accessible of motor and the pump shaft, the pump shaft alright drive the impeller and rotate, the process of repeated centrifugal drainage of impeller can realize pumping of rivers all the time, and in the use, the user can install or dismantle the motor as required at any time, because the motor is in the outside of the pump body, and adopt the mode of pegging graft to be connected between the output shaft of motor and the pump shaft, therefore the dismouting process of motor is comparatively light in prior art, comparatively difficult loaded down with trivial details problem when having avoided carrying out centrifugal pump power motor's dismantlement installation.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram at a in fig. 1.

In the figure: 1. the pump body 2, a pump body sealing ring 3, an impeller 4, a pump cover 5, a bracket 6, a motor 7, a pump shaft 8, a sealing gland 9, a mechanical seal 10, a water inlet 11 and a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a vertical centrifugal pump, which comprises a pump body 1, the inner wall below of the pump body 1 is rotated with impeller 3 through pump body sealing ring 2 and is linked to each other, impeller 3 can the high-speed revolution realize pumping the rivers, pump cover 4 is installed to the upper end of the pump body 1, the top center internally mounted of pump cover 4 has sealing gland 8, the upper end internally mounted of impeller 3 has pump shaft 7, the outer wall below of pump shaft 7 rotates with sealing gland 8 through mechanical seal 9 and links to each other, bracket 5 is passed through to the upper end of the pump body 1 and motor 6 is fixed continuous, motor 6's output shaft links to each other with pump shaft 7 grafting, the inside water inlet 10 that forms in right side of the pump body 1, the inside outlet 11 that forms in left side of the pump body 1, lubricating oil supplement structure has all been processed to the outer wall top of water inlet 10 and outlet 11.

When the vertical centrifugal pump is needed, firstly, a user can firstly install two sides of the pump body 1 on corresponding liquid pipelines through flanges, then the motor 6 is started in the process of needing to be used, the output shaft of the motor 6 can drive the motor to rotate through the insertion connection between the output shaft and the pump shaft 7, the pump shaft 7 can drive the impeller 3 to rotate, the liquid can generate centrifugal force when passing through the impeller 3 rotating at high speed, the liquid can be thrown out at a specific position and is discharged out of the inside of the pump body 1 through the water outlet 11, the impeller 3 can pump water flow by repeating the centrifugal drainage process all the time, in the using process, the user can install or disassemble the motor 6 at any time according to needs, because the motor 6 is positioned outside the pump body 1, and the output shaft of the motor 6 is connected with the pump shaft 7 in the insertion connection mode, the disassembling process of the motor 6 is easier compared with the prior art, the problem that the power motor of the centrifugal pump is difficult and complicated in disassembly and assembly is solved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. A vertical centrifugal pump, comprising a pump body (1), characterized in that: the utility model discloses a pump, including pump body (1), impeller (3), pump cover (4), top center internally mounted of pump cover (4), upper end internally mounted of impeller (3) has pump shaft (7), the outer wall below of pump shaft (7) rotates with gland (8) through mechanical seal (9) and links to each other, the upper end of the pump body (1) is passed through bracket (5) and is fixed continuous with motor (6), the output shaft of motor (6) links to each other with pump shaft (7) grafting.

2. A vertical centrifugal pump according to claim 1, wherein: a water inlet (10) is formed in the right side of the pump body (1), and a water outlet (11) is formed in the left side of the pump body (1).

3. A vertical centrifugal pump according to claim 2, wherein: and lubricating oil supplementing structures are processed above the outer walls of the water inlet (10) and the water outlet (11).

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