CN211144894U

CN211144894U - Alloy impeller

Info

Publication number: CN211144894U
Application number: CN201922194303.2U
Authority: CN
Inventors: 沈学略
Original assignee: Taizhou Shengtai Pump Co ltd
Current assignee: Taizhou Shengtai Pump Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-31
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an alloy impeller, including body, wheel hub, shaft hole, slab cap and steel ring, the body upper end is equipped with wheel hub, and the body lower extreme is equipped with the shaft hole, is equipped with the keyway on the shaft hole, and the body is inside to be equipped with the blade, forms the circular shape body and waters the body, and it needs to carry out thermal treatment and strengthens to build the body, throws the sand before the processing and handles again, then begins finish turning processing after steps such as finish polishing handle. The part may be formed into the desired shape during the machining process, typically requiring subsequent further surface machining. The inlaid copper ring needs to be additionally and independently processed and then is inlaid and assembled. Finally, performing complete-wrapping rust prevention treatment. The optimized impeller is used for improving the flow effect of product practice application by about 35 percent compared with the original effect, and the utility model is formed by founding and pouring, so the cost is low; the combination of cast iron and copper is adopted, the strength is high, the flow performance is improved, the mass is one third, the cost is greatly reduced, and finally, the antirust treatment of full wrapping is carried out, so that the appearance is attractive.

Description

Alloy impeller

Technical Field

The utility model relates to a water pump impeller technical field specifically is an alloy impeller.

Background

The water pump can pump water without opening the impeller, negative pressure is formed in the pump chamber through high-speed rotation of the impeller, the water is pressed into the pump chamber under the action of atmospheric pressure, and the water is pumped out under the action of centrifugal force of the impeller. In the existing common water pump, an impeller is generally of a single-body structure, the impeller of the single-body structure is manufactured into a billet by a centrifugal casting method and the like, and the material of the impeller is basically brass. Because brass is with high costs and is for the cost considerations refine, consequently, the problem that original water pump impeller exists: poor strength, poor performance and high cost.

The water pump impeller is arranged in a pump chamber of the water pump in a water pump impeller with the publication number of CN201721760014.9, the structure comprises a circular body, a hub is arranged at the axis position of the body, the hub is used for connecting the power output of a belt pulley through a shaft, and an internal combustion engine drives the impeller to rotate in the pump chamber. The periphery of the body is provided with a sharp edge, and the sharp edge is formed by reducing the thickness of the body in the axial direction from two opposite sides. The blades are uniformly distributed at the sharp edge and are vertical to the body, and the width of each blade is generally equal to the thickness of the inner part of the body. The blade has the promotion effective area to water that is relatively great like this, but the structure of body is complicated, and wherein the accessory combination of apron, blade and wheel hub is more troublesome, is not fit for comprehensive popularization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alloy impeller to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an alloy impeller comprises a body, a hub, a shaft hole, a plate cover and a copper ring, wherein the hub is arranged at the upper end of the body, the shaft hole is formed in the lower end of the body, a key groove is formed in the shaft hole, a first blade is arranged in the body and is installed in the middle of the body, the plate cover is arranged at the upper end of the first blade, and the edge of the plate cover is connected with a second blade; the lower end of the hub is provided with a third blade, the upper end of the third blade is provided with a plate cover, and the edge of the plate cover is connected with a fourth blade.

The preparation method comprises the steps of sand casting, wherein sand core guiding in a pump blade is needed, after casting and forming, a building body needs to be subjected to heat treatment and reinforcement, sand throwing treatment is carried out before processing, then soaking rust-proof treatment is needed after step processing such as fine grinding, and then fine turning processing is started. The part may be formed into a desired shape during machining and then further subjected to surface treatment.

As a further aspect of the present invention: the body shape is circular, and the wheel hub diameter is greater than the shaft hole diameter.

As a further aspect of the present invention: the first blades are connected in sequence and surround the shaft hole, and the edge of each first blade is arc-shaped.

As a further aspect of the present invention: the second blade is equipped with five, and second blade one end is connected the board and is covered the edge, and the body edge is connected to the second blade other end, and second blade edge shape is arc.

As a further aspect of the present invention: the third blade is equipped with four, and third blade one end is installed at the wheel hub lower extreme, and the body edge is connected to the third blade other end, and third blade edge shape is the straight line.

As a further aspect of the present invention: the fourth blade is provided with four, one end of the fourth blade is connected with the edge of the plate cover, the other end of the fourth blade is connected with the edge of the body, and the shape of the edge of the fourth blade is a straight line.

As a further aspect of the present invention: the upper end of the plate cover is connected with a copper ring, and the size of the copper ring is the same as that of the body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an alloy impeller, the impeller mould is through fluid optimal design, thereby the runner also obtains widening the improvement, and blade and two board covers and wheel hub form integrated into one piece for the inside hookup fastness of this impeller self is good, is convenient for the stable work of this kind of integral structure's impeller. The inlaid copper ring needs to be additionally and independently processed and then is inlaid and assembled. The flow effect of the optimized impeller for product practice application is improved by about 35 percent compared with the original effect. The utility model is formed by founding and pouring, and the cost is low; the combination of cast iron and copper is adopted, the strength is high, the flow performance is improved, the mass is one third, the cost is greatly reduced, and finally, the antirust treatment of full wrapping is carried out, so that the appearance is attractive.

Drawings

Fig. 1 is a schematic view of the upper end structure of the present invention.

Fig. 2 is a schematic view of the lower end structure of the present invention.

Fig. 3 is a schematic view of the internal structure of embodiment 1 of the present invention.

Fig. 4 is a schematic diagram of an outer side structure of embodiment 1 of the present invention.

Fig. 5 is a schematic view of the internal structure of embodiment 2 of the present invention.

Fig. 6 is a schematic diagram of an outer side structure of embodiment 2 of the present invention.

In the figure: 1-body, 2-hub, 3-shaft hole, 4-first blade, 5-second blade, 6-third blade, 7-fourth blade, 8-key groove, 9-plate cover and 10-copper ring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, an alloy impeller includes a body 1, a hub 2, a shaft hole 3, a plate cover 9 and a copper ring 10, the upper end of the body 1 is provided with a hub 2, the lower end of the body 1 is provided with a shaft hole 3, the shaft hole 3 is provided with a key groove 8, the body 1 is circular, the diameter of the hub 2 is larger than that of the shaft hole 3, the first blades 4 are arranged in the body 1, the first blades 4 are arranged in the middle of the body 1, the upper ends of the first blades 4 are provided with five plate covers 9, the first blades 4 are sequentially connected and surround the shaft hole 3, the edges of the plate covers 9 are connected with the second blades 5, the edges of the second blades 5 are provided with five, one end of each second blade 5 is connected with the edge of the plate cover 9, the other end of each second blade 5 is connected with the edge of the body 1, copper circle 10 is connected to plate cover 9 upper end, and copper circle 10 size is the same with body 1 size, and copper circle 10 needs to inlay the equipment in addition after independently processing.

Example 2

Referring to fig. 5-6, in an embodiment of the present invention, an alloy impeller includes a body 1, a hub 2, a shaft hole 3, a plate cover 9 and a copper ring 10, the upper end of the body 1 is provided with a hub 2, the lower end of the body 1 is provided with a shaft hole 3, the shaft hole 3 is provided with a key groove 8, the body 1 is circular, the diameter of the hub 2 is larger than that of the shaft hole 3, the lower end of the hub 2 is provided with a third blade 6, the number of the third blades 6 is four, one end of the third blade 6 is arranged at the lower end of the hub 2, the other end of the third blade 6 is connected with the edge of the body 1, the upper end of the third blade 6 is provided with a plate cover 9, the edge of the plate cover 9 is connected with a fourth blade 7, the number of the fourth blades 7 is four, one end of the fourth blade 7 is connected with the edge of the plate cover 9, the other end of the fourth blade 7 is connected with the edge of the body, copper circle 10 is connected to plate cover 9 upper end, and copper circle 10 size is the same with body 1 size, and copper circle 10 needs to inlay the equipment in addition after independently processing.

The utility model discloses a theory of operation is:

an alloy impeller is used for being rotatably installed in a pump chamber of a water pump and structurally comprises a circular body 1, a hub 2 is arranged at the axis position of the body 1, the hub 2 is used for being connected with the power output of a belt pulley through a shaft hole 3, and an internal combustion engine drives the impeller to rotate in the pump chamber; the mould of alloy impeller is through fluid optimal design, thereby the runner also gets widen the improvement, and the blade forms integrated into one piece with plate cap 9 and wheel hub 2 for this impeller self inside hookup fastness is good, is convenient for this kind of integrated structure's impeller stable work. The inlaid copper ring 10 needs to be separately processed and then inlaid and assembled. The flow effect of the optimized impeller for product practice application is improved by about 35 percent compared with the original effect. The utility model is formed by founding and pouring, and the cost is low; the combination of cast iron and copper is adopted, the strength is high, the flow performance is improved, the mass is one third, the cost is greatly reduced, and finally, the antirust treatment of full wrapping is carried out, so that the appearance is attractive.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An alloy impeller comprises a body (1), a hub (2), a shaft hole (3), a plate cover (9) and a copper ring (10), wherein the hub (2) is arranged at the upper end of the body (1), the shaft hole (3) is arranged at the lower end of the body (1), a key groove (8) is formed in the shaft hole (3), and blades are arranged inside the body (1), and the alloy impeller is characterized in that the blades are divided into a first blade (4), a second blade (5), a third blade (6) and a fourth blade (7), the first blade (4) is arranged inside the body (1), the first blade (4) is installed in the middle of the body (1), the plate cover (9) is arranged at the upper end of the first blade (4), and the edge of the plate cover (9) is connected with the second blade (5); the lower end of the hub (2) is provided with a third blade (6), the upper end of the third blade (6) is provided with a plate cover (9), and the edge of the plate cover (9) is connected with a fourth blade (7).

2. The alloy impeller according to claim 1, characterized in that the body (1) is circular in shape, the hub (2) diameter being greater than the shaft bore (3) diameter.

3. The alloy impeller of claim 1, wherein the number of the first blades (4) is five, the first blades (4) are connected in sequence and surround the shaft hole (3), and the edge of the first blade (4) is in the shape of a circular arc.

4. The alloy impeller of claim 3, wherein the number of the second blades (5) is five, one end of each second blade (5) is connected with the edge of the plate cover (9), the other end of each second blade (5) is connected with the edge of the body (1), and the edge of each second blade (5) is in the shape of a circular arc.

5. The alloy impeller of claim 4, wherein the number of the third blades (6) is four, one end of each third blade (6) is arranged at the lower end of the hub (2), the other end of each third blade (6) is connected with the edge of the body (1), and the edge of each third blade (6) is in a straight line shape.

6. The alloy impeller of claim 5, wherein the number of the fourth blades (7) is four, one end of each fourth blade (7) is connected with the edge of the plate cover (9), the other end of each fourth blade (7) is connected with the edge of the body (1), and the edge of each fourth blade (7) is in a straight line shape.

7. The alloy impeller as claimed in claim 1, characterized in that the upper end of the plate cover (9) is connected with a copper ring (10), and the size of the copper ring (10) is the same as that of the body (1).