CN211009259U

CN211009259U - Multistage pump impeller

Info

Publication number: CN211009259U
Application number: CN201922054813.XU
Authority: CN
Inventors: 杨跃
Original assignee: Kunshan Kainuoer Metal Products Co ltd
Current assignee: Kunshan Kainuoer Metal Products Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-14
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a multistage pump impeller, including the impeller body, be equipped with down the rim plate on the impeller body, go up rim plate and arc blade, upward seted up the wash port on the rim plate, the up end of rim plate runs through down and is provided with the position sleeve, the outside rotation of position sleeve is connected with the adjusting collar, go up the rim plate up end and be located the middle part and seted up and close the complex screw hole soon with adjusting collar exterior wall, sliding fit about going up rim plate and rim plate down. The utility model discloses in, be equipped with down rim plate, last rim plate and arc blade on the impeller body, arc blade plays the effect that pushes away water conservancy diversion, bottom and lower rim plate up end fixed connection, and the up end of lower rim plate runs through and is provided with the position sleeve, goes up the rim plate and passes through adjusting sleeve and position sleeve swing joint, and the adjusting sleeve is rotatory, goes up the relative lower rim plate up-and-down motion of rim plate, and then can change the space between rim plate and the lower rim plate, be convenient for adjust the flow, strong adaptability.

Description

Multistage pump impeller

Technical Field

The utility model relates to a impeller pump technical field especially relates to a multistage pump impeller.

Background

The pump is a machine for conveying liquid or pressurizing liquid, which transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid and convey it outwards, wherein the pump is divided into several kinds, the pump is more common, and several impellers are arranged in the pump to increase the output flow and power of liquid.

At present, an impeller in a pump is generally in a disc structure, an arc-shaped pore passage is formed in the outer periphery of a disc, the top of the disc is open, and when the impeller rotates, fluid is axially output from an opening position through the guide of the arc-shaped pore passage to realize the conveying of the fluid.

Therefore, the utility model provides a multistage pump impeller.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the multistage pump impeller is provided for solving the problems that the existing multistage pump impeller adopts an integrated structure and is poor in adaptability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multistage pump impeller, includes the impeller body, be equipped with lower rim plate, last rim plate and arc blade on the impeller body, seted up the wash port on the last rim plate, the up end of rim plate runs through and is provided with the position sleeve down, the outside of position sleeve is rotated and is connected with the adjusting collar, go up the rim plate up end and be located the middle part and seted up and adjust the outer wall of cover and close the complex screw hole soon, go up rim plate and rim plate down and be sliding fit.

As a further description of the above technical solution:

and the lower end surface of the upper wheel disc is provided with an arc-shaped groove matched with the arc-shaped blade.

As a further description of the above technical solution:

the outer wall of the positioning sleeve is provided with a first key groove which is axially distributed, the outer wall of the adjusting sleeve is provided with a second key groove which is matched with the first key groove, and the first key groove is connected with the second key groove through a key.

As a further description of the above technical solution:

the top of the adjusting sleeve is provided with a driving hole.

As a further description of the above technical solution:

the inner side wall of the arc-shaped blade is provided with shifting plates distributed at equal intervals.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be equipped with down rim plate, last rim plate and arc blade on the impeller body, arc blade plays the effect that pushes away water conservancy diversion, bottom and lower rim plate up end fixed connection, and the up end of lower rim plate runs through and is provided with the position sleeve, goes up the rim plate and passes through adjusting sleeve and position sleeve swing joint, and the adjusting sleeve is rotatory, goes up the relative lower rim plate up-and-down motion of rim plate, and then can change the space between rim plate and the lower rim plate, be convenient for adjust the flow, strong adaptability.

2. The utility model discloses in, the keyway of axial distribution is seted up to the exterior wall of position sleeve one, and the exterior wall of adjusting collar sets up the keyway two that matches with keyway one, and the keyway is connected through key and keyway two, has adjusted and has gone up the rim plate and down after the interval between the rim plate, can realize the locking to the adjusting collar through the key, conveniently adjusts and carries out locking control behind the rim plate.

Drawings

Fig. 1 is a schematic structural view illustrating a sectional view of an impeller of a multi-stage pump according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating a top view of a matching between an adjusting sleeve and a positioning sleeve according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a bottom view of the upper wheel disc provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. an impeller body; 11. a lower wheel disc; 111. a positioning sleeve; 1111. a first key groove; 12. an upper wheel disc; 121. a drain hole; 122. a threaded hole; 123. an arc-shaped slot; 13. an arc-shaped blade; 131. dialing a plate; 2. an adjusting sleeve; 21. a second key groove; 22. a drive aperture.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multistage pump impeller comprises an impeller body 1, a lower wheel disc 11, an upper wheel disc 12 and arc blades 13 are arranged on the impeller body 1, the arc blades 13 play a role in pushing water and guiding flow, the bottom of the impeller body is fixedly connected with the upper end face of the lower wheel disc 11, a drain hole 121 is formed in the upper wheel disc 12, fluid which is guided flows is output in the axial direction through the drain hole 121, a positioning sleeve 111 penetrates through the upper end face of the lower wheel disc 11, the positioning sleeve 111 is connected with an external driving shaft, the external part of the positioning sleeve 111 is rotatably connected with an adjusting sleeve 2, a threaded hole 122 which is matched with the outer wall of the adjusting sleeve 2 in a screwing mode is formed in the middle of the upper end face of the upper wheel disc 12, the upper wheel disc 12 and the lower wheel disc 11 are in up-down sliding fit, an arc groove 123 which is matched with the arc blades 13 is formed in the lower end face of the upper wheel disc 12, the tops of the arc blades 13 are in up-down sliding fit in the, and the space between the upper wheel disc 12 and the lower wheel disc 11 is reduced, so that the output flow of the impeller can be reduced, and conversely, the output flow of the impeller at the same rotating speed can be increased.

Specifically, as shown in fig. 2, the outer wall of the positioning sleeve 111 is provided with a first keyway 1111 that is axially distributed, the outer wall of the adjusting sleeve 2 is provided with a second keyway 21 that is matched with the first keyway 1111, and the first keyway 1111 is connected with the second keyway 21 through a key, so that the adjusting sleeve 2 can be locked through the key, and the locking control is performed after the upper wheel disc 12 is adjusted conveniently.

Specifically, as shown in fig. 2, a driving hole 22 is formed in the top of the adjusting sleeve 2, and the adjusting sleeve 2 can be driven to rotate by inserting an external caliper into the driving hole 22, so that the structure is simple and the operation is convenient.

Specifically, as shown in fig. 1, the inner side wall of the arc-shaped blade 13 is provided with the shifting plates 131 which are distributed at equal intervals, and the shifting plates 131 are distributed at equal intervals from top to bottom and have the function of guiding the flow.

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

1. The utility model provides a multistage pump impeller, includes impeller body (1), be equipped with down rim plate (11), go up rim plate (12) and arc blade (13) on impeller body (1), wash port (121) have been seted up on going up rim plate (12), its characterized in that, the up end of rim plate (11) runs through down and is provided with position sleeve (111), the outside of position sleeve (111) is rotated and is connected with adjusting collar (2), go up rim plate (12) up end and be located the middle part seted up with adjusting collar (2) outward appearance wall close complex screw hole (122) soon, go up rim plate (12) and rim plate (11) down and be sliding fit.

2. The impeller of a multistage pump according to claim 1, characterized in that the lower end face of the upper disk (12) is provided with an arc-shaped groove (123) matching with the arc-shaped blade (13).

3. The impeller of the multistage pump as claimed in claim 2, wherein the outer wall of the positioning sleeve (111) is provided with a first keyway (1111) distributed axially, the outer wall of the adjusting sleeve (2) is provided with a second keyway (21) matched with the first keyway (1111), and the first keyway (1111) is connected with the second keyway (21) through a key.

4. A multistage pump impeller according to claim 3, characterized in that the top of the adjusting sleeve (2) is provided with a driving hole (22).

5. The impeller of a multistage pump according to claim 1, characterized in that the inner side wall of the arc-shaped blades (13) is provided with the poking plates (131) which are distributed at equal intervals.