CN215292906U

CN215292906U - Novel water pump of high-lift

Info

Publication number: CN215292906U
Application number: CN202120925373.5U
Authority: CN
Inventors: 熊明汉; 胡勇
Original assignee: Shenzhen Chenzhou Electrical Appliance Co ltd
Current assignee: Shenzhen Chenzhou Electrical Appliance Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-24
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to a novel high-lift water pump, which comprises a water pump body; the inner space of the water pump body comprises a centrifugal cavity and a liquid outlet; the water pump body comprises a rotor and a first impeller, wherein the blade tip of the first impeller is opposite to the liquid outlet; the rotor is also fixedly sleeved with at least one second impeller; the second impeller is positioned at the front side of the first impeller; a baffle plate assembly is also arranged in the centrifugal cavity; the diaphragm assembly separates the centrifugal chamber into a first sub-pressurization chamber corresponding to the first impeller and at least one second sub-pressurization chamber corresponding to the at least one second impeller. In the scheme, the centrifugal cavity is divided by the partition plate assembly to generate a first sub-pressurizing chamber and a second sub-pressurizing chamber, the second impeller rotates to throw water to the inner wall of the second sub-pressurizing chamber through the centrifugal effect to generate pressure; the water with pressure in the second sub-pressurizing chamber finally flows into the first sub-pressurizing chamber and is pressurized again by the first impeller, so that the lift can be increased in multiples when the volume of the water pump is small.

Description

Novel water pump of high-lift

Technical Field

The utility model relates to a water pump technical field, more specifically say, relate to a novel water pump of high lift.

Background

In industrial and domestic applications, water pumps with small volume, high lift and large flow are often used, however, many water pumps can only meet part of the requirements, such as diaphragm pumps with high lift but small flow and short life, or micro centrifugal pumps with large flow but small lift. Therefore, there is still a need for an improved water pump to solve the aforementioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a novel water pump of high lift is provided.

The utility model provides a technical scheme that its technical problem adopted is:

a novel high-lift water pump is constructed, and comprises a water pump body; the inner space of the water pump body comprises a centrifugal cavity and a liquid outlet communicated with the centrifugal cavity; the water pump body comprises a rotor and a first impeller, and the blade tip of the first impeller is opposite to the liquid outlet; wherein: the rotor is also fixedly sleeved with at least one second impeller; the second impeller is positioned at the front side of the first impeller; a partition plate assembly is further mounted inside the centrifugal cavity; the baffle plate assembly divides the centrifugal chamber into a first sub-pressurization chamber corresponding to the first impeller and at least one second sub-pressurization chamber corresponding to at least one second impeller.

Preferably, the second impeller is no more than two.

Preferably, the first impeller comprises a first connecting sleeve fixed on the rotor in a sleeved mode, and two groups of first annular sheets fixed on the first connecting sleeve in a sleeved mode in sequence; a first liquid concentration gap is reserved between the two groups of first annular sheets; and in the two groups of first annular sheets, one group positioned on the front side is provided with a first liquid inlet hole at the root part for liquid to flow into the first liquid concentration gap.

Preferably, the second impeller comprises a second connecting sleeve fixedly sleeved on the rotor, and two groups of second annular sheets sequentially fixedly sleeved on the second connecting sleeve; a second liquid set gap is reserved between the two groups of second annular sheets; and in the two groups of second annular sheets, one group positioned on the front side is provided with a second liquid inlet hole for liquid to flow into the gap in the second liquid set at the root part.

Preferably, in two groups of the second annular sheets, the group positioned at the rear side is provided with liquid outlet holes at the tips for liquid to flow out.

The beneficial effects of the utility model reside in that: the centrifugal chamber is divided by the partition plate assembly to generate a first sub-pressurizing chamber and a second sub-pressurizing chamber, the second impeller rotates, and water is thrown to the inner wall of the second sub-pressurizing chamber through the centrifugal effect to generate pressure; the water with pressure in the second sub-pressurizing chamber finally flows into the first sub-pressurizing chamber and is pressurized again by the first impeller, so that the lift can be increased in multiples when the volume of the water pump is small.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is a sectional view of the novel water pump with high lift according to the preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.

A high-lift novel water pump of a preferred embodiment of the present invention is shown in fig. 1, and comprises a water pump body 10; the internal space of the water pump body 10 includes a centrifugal cavity 180 and a liquid outlet (not shown in the figure) communicated with the centrifugal cavity 180; the water pump body 10 comprises a rotor 11, a first impeller 12 with the blade tip opposite to a liquid outlet (not shown in the figure); the rotor 11 is also fixedly sleeved with at least one second impeller 13; the second impeller 13 is located on the front side of the first impeller 12; the centrifugal cavity 180 is also internally provided with a baffle plate assembly 14; the diaphragm assembly 14 partitions the centrifugal chamber 180 into a first sub-pressurization chamber 181 corresponding to the first impeller 12 and at least one second sub-pressurization chamber 182 corresponding to the at least one second impeller 13.

In this embodiment, the diaphragm assembly 14 divides the centrifugal chamber 180 to generate the first sub-pressurizing chamber 181 and the second sub-pressurizing chamber 182, and the second impeller 13 rotates to throw water to the inner wall of the second sub-pressurizing chamber 182 by centrifugal action to generate pressure; since the water with pressure in the second sub-pressurizing chamber 182 finally flows into the first sub-pressurizing chamber 181 and is pressurized again by the first impeller 12, the head can be increased by several times when the water pump volume is small.

As shown in fig. 1, the number of the second impellers 13 is not more than two, so that the effect of increasing the lift is good, and the overall size of the water pump is not too large.

As shown in fig. 1, the first impeller 12 includes a first connection sleeve 15 fixed on the rotor 11, and two sets of first annular sheets 16 sequentially fixed on the first connection sleeve 15; a first liquid concentration gap 183 is reserved between the two groups of the first annular sheets 16; of the two sets of first annular plates 16, the one set located on the front side is provided at the root with a first liquid inlet hole 184 through which liquid flows into the first liquid concentration gap 183.

As shown in fig. 1, the second impeller 13 includes a second connection sleeve 17 fixed on the rotor 11, and two sets of second annular sheets 18 fixed on the second connection sleeve 17 in sequence; a second liquid concentration gap 185 is reserved between the two groups of second annular sheets 18; of the two sets of second annular plates 18, the one set on the front side is provided with a second liquid inlet hole 186 at the root for the liquid to flow into the second liquid collection gap 185.

As shown in fig. 1, of the two sets of second annular sheets 18, the rear one is provided with liquid outlet holes 187 at the tips for liquid to flow out.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A novel high-lift water pump comprises a water pump body; the inner space of the water pump body comprises a centrifugal cavity and a liquid outlet communicated with the centrifugal cavity; the water pump body comprises a rotor and a first impeller, and the blade tip of the first impeller is opposite to the liquid outlet; the method is characterized in that: the rotor is also fixedly sleeved with at least one second impeller; the second impeller is positioned at the front side of the first impeller; a partition plate assembly is further mounted inside the centrifugal cavity; the baffle plate assembly divides the centrifugal chamber into a first sub-pressurization chamber corresponding to the first impeller and at least one second sub-pressurization chamber corresponding to at least one second impeller.

2. The novel high lift water pump according to claim 1, wherein the number of the second impellers is not more than two.

3. The novel high-lift water pump according to claim 1, wherein the first impeller comprises a first connecting sleeve fixed on the rotor in a sleeved mode, and two groups of first annular sheets fixed on the first connecting sleeve in a sleeved mode in sequence; a first liquid concentration gap is reserved between the two groups of first annular sheets; and in the two groups of first annular sheets, one group positioned on the front side is provided with a first liquid inlet hole at the root part for liquid to flow into the first liquid concentration gap.

4. The novel high-lift water pump as claimed in claim 1, wherein the second impeller comprises a second connecting sleeve sleeved and fixed on the rotor, and two groups of second annular sheets sequentially sleeved and fixed on the second connecting sleeve; a second liquid set gap is reserved between the two groups of second annular sheets; and in the two groups of second annular sheets, one group positioned on the front side is provided with a second liquid inlet hole for liquid to flow into the gap in the second liquid set at the root part.

5. The novel high-lift water pump as claimed in claim 4, wherein one of the second annular sheets at the rear side is provided with liquid outlet holes at the tips for liquid to flow out.