CN218407896U

CN218407896U - Large-traffic water pump impeller

Info

Publication number: CN218407896U
Application number: CN202222075537.7U
Authority: CN
Inventors: 蒋炳泉
Original assignee: Suzhou Fengquan Fluid Technology Co ltd
Current assignee: Suzhou Fengquan Fluid Technology Co ltd
Priority date: 2022-08-06
Filing date: 2022-08-06
Publication date: 2023-01-31
Anticipated expiration: 2032-08-06

Abstract

The utility model discloses a large-traffic water pump impeller, including having open-ended tubbiness impeller shell, backup pad and being located a plurality of stator between impeller shell inner bottom surface and the backup pad, the backup pad is located impeller shell, and the diameter of backup pad is less than impeller shell's internal diameter. The bottom of impeller shell is provided with penetrating inlet opening, a plurality of stator circumference equipartitions are on impeller shell's interior bottom surface, the stator is the arc, be provided with the pivot hole that corresponds the inlet opening in the backup pad, the inlet opening is greater than the pivot hole, the one end of stator extends and surpasss the inlet opening towards the center in pivot hole, the quantity of stator is 8 to 12, surpasss the setting that the inlet opening was used through the tip of stator to and the degree of depth that increases impeller shell realizes realizing the large-traffic transport of water pump, and increase stator quantity simultaneously and improve the water absorption and the water yield of water pump.

Description

Large-traffic water pump impeller

Technical Field

The utility model belongs to the technical field of the water pump, more specifically the utility model relates to a large-traffic water pump impeller that says so.

Background

In the prior art, if the water yield of the water pump with the same specification and the same volume needs to be increased, the rotating speed of an impeller in the water pump needs to be increased, but the pressure in the water pump also can be increased along with the increase of the rotating speed, so that cavitation is caused, the impeller in the water pump is damaged, the service life of the water pump is shortened, and therefore the water pump with the large volume is generally used in a use environment where the water yield needs to be changed, but the investment cost and the later maintenance cost of the water pump with the large volume also correspondingly increase.

Therefore, the water pump impeller is designed, and can provide larger water yield when rotating.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a large-traffic water pump impeller realizes increasing the flow of water pump under with the specification with the volume.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a large-traffic water pump impeller, includes the tubbiness impeller shell that has the opening, backup pad and is located a plurality of stator between impeller shell inner bottom surface and the backup pad, the backup pad is located impeller shell, and the diameter of backup pad is less than impeller shell's internal diameter. The bottom of impeller shell is provided with penetrating inlet opening, a plurality of stator circumference equipartitions are on impeller shell's interior bottom surface, the stator is the arc, be provided with the pivot hole that corresponds the inlet opening in the backup pad, the inlet opening is greater than the pivot hole, the one end of stator is extended and is surpassed the inlet opening towards the center in pivot hole, the quantity of stator is 8 to 12.

Furthermore, the bottom surface of the impeller shell is in a conical shape protruding outwards, one side of the guide vane is matched with the conical inner bottom surface of the impeller shell to incline, and the other side connected with the support plate is a plane.

Further, an inclined chamfer is arranged on the end part, facing the rotating shaft hole, of the guide vane.

Furthermore, the guide vane is provided with a positioning lug, and the inner bottom surface of the impeller shell is provided with a plurality of positioning holes corresponding to the positioning lugs.

Furthermore, a connecting positioning ring and a connecting groove are respectively arranged at two ends of the side surface of the impeller shell.

Furthermore, a connecting sleeve connected with the rotating shaft is arranged on the rotating shaft hole.

Compared with the prior art, the beneficial effects of the utility model are that: the end parts of the guide vanes exceed the water inlet holes, the depth of the impeller shell is increased to realize large-flow conveying of the water pump, and the number of the guide vanes is increased to improve the water absorption and water outlet amount of the water pump.

Drawings

FIG. 1 is a schematic view of a structure of a plurality of impellers of the present invention;

FIG. 2 is an exploded view of the impeller of the present invention;

fig. 3 is a schematic structural view of a guide vane.

Reference numerals: 1. an impeller housing; 2. a support plate; 3. a guide vane; 4. a water inlet hole; 5. a rotating shaft hole; 6. chamfering; 7. positioning the bump; 8. positioning holes; 9. connecting a positioning ring; 10. connecting grooves; 11. and connecting the sleeve.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 3.

The utility model provides a large-traffic water pump impeller, is including having open-ended tubbiness impeller shell 1, backup pad 2 and being located a plurality of stator 3 between impeller shell 1 bottom surface and the backup pad 2, backup pad 2 is located impeller shell 1, and the diameter of backup pad 2 is less than impeller shell 1's internal diameter, impeller shell 1's bottom is provided with penetrating

inlet opening

4, 3 circumference equipartitions of a plurality of stator are on impeller shell 1's the interior bottom surface, stator 3 is the arc, be provided with the pivot hole 5 that corresponds inlet opening 4 in the backup pad 2, inlet opening 4 is greater than pivot hole 5, the one end of stator 3 extends and surpasss inlet opening 4 towards the center of pivot hole 5, the quantity of stator 3 is 8 to 12.

As shown in fig. 1 to 3, when the water pump is assembled, a rotating shaft penetrates through the water inlet hole 4 and the rotating shaft hole 5 of the impeller, the impeller is connected with the rotating shaft through the rotating shaft hole 5, the impellers in the rotating shaft are connected end to end, and after the impellers are installed on the rotating shaft, the impellers are installed in the pump shell, the rotating shaft is connected with the motor spindle to drive the rotating shaft to rotate, when the water pump pumps water, the water enters from the water inlet hole 4 of the first impeller shell 1, is diffused into the impeller shell 1 from the space among the guide vanes 3 to the periphery, is sucked into the next impeller from the impeller shell 1, and after passing through the impellers, the water flowing out of the water outlet of the water pump can have certain pressure, so that the water delivery is realized.

The end parts of the guide vanes 3 exceed the water inlet holes 4, the depth of the impeller shell 1 is increased to realize large-flow conveying of the water pump, and the quantity of the guide vanes 3 is increased to improve the water absorption and water outlet quantity of the water pump.

Preferably, the number of vanes 3 in this embodiment is 10.

As shown in fig. 2 and 3, in the present embodiment, preferably, the bottom surface of the impeller housing 1 is in a conical shape protruding outward, one side of the guide vane 3 is inclined in cooperation with the conical inner bottom surface of the impeller housing 1, and the other side connected to the support plate 2 is a plane.

As shown in fig. 3, in the present embodiment, it is preferable that the end of the guide vane 3 facing the spindle hole 5 is provided with an inclined chamfer 6.

As shown in fig. 2 and fig. 3, preferred in this embodiment, be provided with positioning lug 7 on the stator 3, be provided with a plurality of positioning holes 8 that correspond positioning lug 7 on the interior bottom surface of impeller shell 1, because impeller shell 1 is inside darker, during the equipment impeller, generally connect a plurality of stator 3 in backup pad 2 earlier, stretch into impeller shell 1 inside again with stator 3 and inconsistent with its interior bottom surface, weld stator 3 at the interior bottom surface of impeller shell 1 through the welding again, and when placing stator 3, can stretch into positioning lug 7 in the positioning hole 8, thereby realize that the location of stator 3 is placed, position deviation appears when avoiding welding.

As shown in fig. 1 and fig. 2, in the present embodiment, it is preferable that both ends of the side surface of the impeller shell 1 are respectively provided with a connection positioning ring 9 and a connection groove 10; when two adjacent impellers are connected with each other, the connecting and positioning ring 9 on the previous impeller shell 1 is sleeved on the next impeller shell 1, the end part of the previous impeller shell 1, which is provided with the connecting and positioning ring 9, is matched with the connecting groove 10 on the next impeller shell 1, the inner wall of the connecting and positioning ring 9 is tightly attached to the outer wall of the next impeller shell 1, after a proper number of impellers are connected on the rotating shaft, bolts are respectively screwed on the impellers at two ends of the rotating shaft, so that the impellers are fixed on the rotating shaft, and the connecting and positioning ring 9 is matched with the connecting groove 10 to improve the connecting effect between the two adjacent impellers.

As shown in fig. 2, in the present embodiment, it is preferable that a connecting sleeve 11 for connecting the rotating shaft is provided on the rotating shaft hole 5, that is, the impeller can be connected to the rotating shaft through the connecting sleeve 11.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A large-traffic water pump impeller which characterized in that: the guide vane type centrifugal pump comprises a barrel-shaped impeller shell with an opening, a support plate and a plurality of guide vanes positioned between the inner bottom surface of the impeller shell and the support plate, wherein the support plate is positioned in the impeller shell, and the diameter of the support plate is smaller than the inner diameter of the impeller shell; the bottom of impeller shell is provided with penetrating inlet opening, a plurality of stator circumference equipartitions are on impeller shell's interior bottom surface, the stator is the arc, be provided with the pivot hole that corresponds the inlet opening in the backup pad, the inlet opening is greater than the pivot hole, the one end of stator extends and surpasss the inlet opening towards the center in pivot hole, the quantity of stator is 8 to 12.

2. The high flow water pump impeller of claim 1, characterized by: the bottom surface of the impeller shell is in a conical shape protruding outwards, one side of the guide vane is matched with the conical inner bottom surface of the impeller shell to incline, and the other side connected with the support plate is a plane.

3. The high flow water pump impeller of claim 2, characterized in that: the guide vane is provided with an inclined chamfer angle on the end part facing the rotating shaft hole.

4. The high flow water pump impeller of claim 3, characterized in that: the guide vane is provided with a positioning lug, and the inner bottom surface of the impeller shell is provided with a plurality of positioning holes corresponding to the positioning lugs.

5. The high flow water pump impeller of claim 4, characterized in that: and two ends of the side surface of the impeller shell are respectively provided with a connecting positioning ring and a connecting groove.

6. The high flow water pump impeller of claim 5, characterized in that: and a connecting sleeve connected with the rotating shaft is arranged on the rotating shaft hole.