Centrifugal water pump impeller and centrifugal water pump

Abstract

The utility model provides a centrifugal water pump impeller and a centrifugal water pump, and belongs to the technical field of water pumps. The impeller solves the problems that an impeller in the prior art is low in efficiency and prone to damage. The water pump comprises a pump body, a water inlet cover body, an integrated bearing box and a pump shaft, the water inlet cover body is fixedly installed on one side of the pump body, the pump shaft penetrates through the integrated bearing box and extends into the pump body, a water pump impeller is connected to the pump shaft in a sleeved mode and located in the pump body, and the water pump impeller comprises an impeller shell and blades. The blades are installed on the impeller shell in a circumferential array mode, a flow guide table is formed in the impeller shell, a plurality of flow guide grooves are formed in the outer portion of the impeller shell, an upper handle is arranged at the upper end of the integrated bearing box, a fixing base is arranged at the lower end of the integrated bearing box, an extending body is formed at the front end of the fixing base, and a pump cover body is fixedly installed at the end of the upper handle and the end of the extending body. And the pump cover body is hermetically connected with the pump body. The impeller has the advantages of being high in impeller efficiency and good in protection performance.

Description

Technical Field

[0001] This utility model belongs to the field of water pump technology, and relates to a centrifugal water pump impeller and a centrifugal water pump. Background Technology

[0002] Centrifugal water pumps are widely used in many sectors of the national economy. In agriculture, they are used for irrigation and drainage, transporting water from water sources to farmland or draining excess water from farmland. In industry, they are essential equipment in water supply and drainage systems, liquid transport in chemical processes, and mine drainage.

[0003] Chinese patent publication number CN205578279U discloses a centrifugal water pump, comprising: a housing having a hollow cavity and an inlet and an outlet communicating with the hollow cavity; an impeller located in the hollow cavity for driving water to flow towards the outlet; a motor having an output shaft connected to the impeller for driving the impeller to rotate; and a sealing sleeve located in the hollow cavity and fitted onto the surface of the motor. The impeller includes a shaft and blades, with the blades fixed to the shaft, the shaft being mounted on the output shaft of the motor. The sealing sleeve has a through hole for passing through the output shaft of the motor, and the through hole has a two-section structure, with the inner diameter of the inner section being larger than the inner diameter of the outer section.

[0004] The patent provides a centrifugal water pump in which the impeller is fixed to the shaft to generate centrifugal force by rotating the impeller. However, this structure lacks guiding and protective devices, and the impeller is not only less efficient but also easily damaged. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a centrifugal water pump impeller and a centrifugal water pump.

[0006] The objective of this utility model can be achieved through the following technical solution: A centrifugal water pump impeller and a centrifugal water pump, comprising a pump body, an inlet cover, an integrated bearing housing, and a pump shaft. The inlet cover is fixedly installed on one side of the pump body. The pump shaft passes through the integrated bearing housing and extends into the pump body. A water pump impeller is sleeved and connected to the pump shaft, and the water pump impeller is located inside the pump body. The water pump impeller includes an impeller housing and blades. The number of blades is four and they are arranged in a circumferential array on the impeller housing. A flow guide platform is formed inside the impeller housing, and several flow guide grooves are opened on the outside of the impeller housing. An upper handle is provided at the upper end of the integrated bearing housing, and a fixed base is provided at the lower end of the integrated bearing housing. An extension is formed at the front end of the fixed base. A pump cover is fixedly installed at the ends of the upper handle and the extension. The pump cover is sealed to the pump body.

[0007] In the centrifugal water pump impeller and centrifugal water pump described above, the blades are fixedly installed on the outer wall of the guide platform.

[0008] In the centrifugal water pump impeller and centrifugal water pump described above, an outlet is formed at the upper end of the pump body, and an inlet is formed at the center of the inlet cover.

[0009] In the centrifugal pump impeller and centrifugal pump described above, one end of the pump shaft extends into the interior of the pump impeller, and a brake cap is fixedly connected to the front end of the guide platform.

[0010] Compared with the prior art, the centrifugal water pump impeller and centrifugal water pump provided by this utility model have the following beneficial effects: the flow guiding platform and external flow guiding groove in the water pump impeller effectively improve the flow guiding effect of the water pump, improve the working efficiency of the water pump impeller, and the blades are installed on the flow guiding platform and located inside the impeller housing, and the impeller housing protects the blades. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a schematic diagram of a water pump impeller.

[0013] In the diagram: 1. Pump body; 11. Outlet; 2. Inlet cover; 21. Inlet; 3. Integrated bearing housing; 31. Top handle; 32. Fixed base; 33. Extension body; 34. Pump cover; 4. Pump shaft; 5. Pump impeller; 51. Impeller housing; 52. Blade; 53. Guide platform; 54. Guide groove; 55. Brake cap. Detailed Implementation

[0014] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0015] like Figure 1 As shown, this embodiment includes a pump body 1, an inlet cover 2, an integrated bearing housing 3, a pump shaft 4, and a pump impeller 5. The inlet cover 2 has a circular structure and an inlet 21 is opened in the center of the inlet cover 2. The inlet cover 2 is fixedly installed on one side of the pump body 1 by several bolts. An outlet 11 is formed at the upper end of the pump body 1. The pump shaft 4 passes through the integrated bearing housing 3 and extends into the pump body 1. The pump impeller 5 is sleeved and connected to the pump shaft 4 located inside the pump body 1. An upper handle 31 is provided at the upper end of the integrated bearing housing 3, and a fixed base 32 is provided at the lower end of the integrated bearing housing 3. An extension 33 is formed at the front end of the fixed base 32. A pump cover 34 is fixedly installed at the ends of the upper handle 31 and the extension 33. The pump cover 34 is sealed to the pump body 1.

[0016] like Figure 2 As shown, the water pump impeller 5 includes an impeller housing 51 and blades 52. The blades 52 are mounted in a circumferential array on the impeller housing 51. A guide platform 53 is formed inside the impeller housing 51. The guide platform 53 is an inwardly curved platform with a shaft hole structure inside. One end of the pump shaft 4 extends into the water pump impeller 5 to connect the pump shaft 4 and the water pump impeller 5. A brake cap 55 is fixedly connected to the front end of the guide platform 53. The brake cap 55 is connected to the end of the pump shaft 4 and has a braking effect on the pump shaft 4. Several guide grooves 54 are opened on the outside of the impeller housing 51. Through the structural arrangement of the guide grooves 54 and the guide platform 53, the guiding efficiency of the water pump impeller 5 is improved.

[0017] To elaborate further, such as Figure 2 As shown, there are four blades 52, which are fixedly installed on the outer wall of the guide platform 53. The structure with the guide platform 53 as the base expands the fluid transport effect of the blades 52.

[0018] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0019] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A centrifugal water pump impeller and a centrifugal water pump, comprising a pump body (1), an inlet cover (2), an integrated bearing housing (3), and a pump shaft (4), wherein the inlet cover (2) is fixedly installed on one side of the pump body (1), and the pump shaft (4) passes through the integrated bearing housing (3) and extends into the pump body (1), characterized in that: A water pump impeller (5) is sleeved and connected on the pump shaft (4) and the water pump impeller (5) is located inside the pump body (1). The water pump impeller (5) includes an impeller housing (51) and blades (52). There are four blades (52) arranged in a circumferential array on the impeller housing (51). A flow guide platform (53) is formed inside the impeller housing (51). Several flow guide grooves (54) are opened on the outside of the impeller housing (51). An upper handle (31) is provided at the upper end of the integrated bearing housing (3). A fixed base (32) is provided at the lower end of the integrated bearing housing (3). An extension body (33) is formed at the front end of the fixed base (32). A pump cover body (34) is fixedly installed at the ends of the upper handle (31) and the extension body (33). The pump cover body (34) is sealed to the pump body (1).

2. The centrifugal water pump impeller and centrifugal water pump according to claim 1, characterized in that: The blade (52) is fixedly installed on the outer wall of the guide platform (53).

3. The centrifugal water pump impeller and centrifugal water pump according to claim 1, characterized in that: The pump body (1) has an outlet (11) at its upper end, and the inlet cover (2) has an inlet (21) at its center.

4. The centrifugal water pump impeller and centrifugal water pump according to claim 1, characterized in that: One end of the pump shaft (4) extends into the pump impeller (5), and a brake cap (55) is fixedly connected to the front end of the guide platform (53).

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