Impeller for submersible pump

Abstract

The impeller comprises an impeller body, a flow guide shell and a flow guide cover, the impeller body is arranged between the flow guide shell and the flow guide cover, a lower notch is formed in the circumferential outer wall of the flow guide cover, an upper notch is formed in the circumferential outer wall of the flow guide shell, a connecting assembly is arranged between the flow guide shell and the flow guide cover, and the connecting assembly comprises two half connecting hoops. The two half connecting hoops surround the joint of the flow guide shell and the flow guide cover, the inner sides of the half connecting hoops are fixedly connected with two inner protruding strips, the two inner protruding strips are connected with the lower notch and the upper notch in a clamped mode respectively, and the two ends between the two half connecting hoops are each connected with two connecting bolts in an inserted mode. According to the utility model, the inner raised lines are clamped with the lower notches and the upper notches, so that the two half connecting hoops are encircled at the joint of the flow guide shell and the flow guide cover, and then the two half connecting hoops are fixed by using the connecting bolts, so that the flow guide shell and the flow guide cover are firmly connected, and the disassembly and assembly of the flow guide shell and the flow guide cover are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to submersible pump technical field especially impeller for submersible pump. BACKGROUND

[0002] At present, the well submersible pump is widely used in agricultural irrigation, industrial water supply and domestic water and other fields, and the impeller assembly is the core component of the submersible pump, and its performance directly affects the overall working effect of the submersible pump, and the impeller assembly in the well submersible pump is composed of an impeller, a flow guide shell and a flow guide cover.

[0003] Among them, through the retrieval, the patent number CN212959238U discloses a submersible pump impeller, the above-mentioned patent realizes the docking function of the flow guide shell and the flow guide cover in the impeller assembly by the structure scheme of the combination of the inner concave step type stop ring and the inner bending ring interface, but the flow guide shell and the flow guide cover connected by such a way are not only not firm, but also inconvenient to disassemble and assemble between them, and the combination of the impeller assembly is not convenient, therefore, in order to promote the industry technology, better realize the connection function of the flow guide cover and the flow guide shell in the impeller assembly, and improve the core technology competitiveness, the present application proposes a new implementation scheme different from the combination structure and application mode of the impeller assembly in the prior art. SUMMARY

[0004] The utility model aims at solving the problems that the existing flow guide shell and flow guide cover are not only not firm, but also inconvenient to disassemble and assemble between them, and the combination of the impeller assembly is not convenient, and proposes the submersible pump impeller.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The submersible pump impeller includes an impeller body, a flow guide shell and a flow guide cover, the impeller body is arranged between the flow guide shell and the flow guide cover, the circumferential outer wall of the flow guide cover is provided with a lower slot, the circumferential outer wall of the flow guide shell is provided with an upper slot, a connecting assembly is arranged between the flow guide shell and the flow guide cover, the connecting assembly includes two half connecting hoops, the two half connecting hoops embrace the connecting part of the flow guide shell and the flow guide cover, two inner convex strips are fixedly connected to the inner side of the half connecting hoop, the two inner convex strips are respectively clamped with the lower slot and the upper slot, two connecting bolts are inserted into the two ends between the two half connecting hoops, and a connecting nut is threadedly sleeved with one end of the connecting bolt.

[0007] Further, the two ends between the two half connecting hoops are provided with a spacing pad.

[0008] Further, the inner side of the half connecting hoop is embedded with a sealing arc pad.

[0009] Further, the top of the flow guide cover is bonded with a sealing ring.

[0010] Further, the bottom of the flow guide shell is bonded with a sealing ring pad, and the sealing ring pad is in contact with the sealing ring.

[0011] Further, the top of the flow guide shell is provided with an upper notch.

[0012] Further, the bottom of the flow guide cover is provided with a lower protruding part, and the lower protruding part is clamped with the upper notch.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. by the inner convex strip with lower notch and upper notch clamping, thereby two half connecting hoops are embraced in the connecting place of flow guide shell and flow guide cover, and then utilize the connecting bolt and fix between two half connecting hoops, thereby firmly connect flow guide shell and flow guide cover, and the dismounting of flow guide shell and flow guide cover is convenient.

[0015] 2. by the upper notch of one impeller assembly with the lower protruding part of another impeller assembly clamping, thereby assemble and use multiple impeller assemblies, so as to be suitable for different lift usage. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses the impeller body of impeller for submersible pump, flow guide shell structure schematic diagram is shown in the figure;

[0017] Figure 2 The utility model discloses the three-dimensional structure schematic diagram of impeller for submersible pump is shown in the figure;

[0018] Figure 3 The utility model discloses the partial section main view structure schematic diagram of impeller for submersible pump is shown in the figure;

[0019] Figure 4 The utility model discloses the partial section main view structure schematic diagram of impeller for submersible pump is shown in the figure;

[0020] Figure 5 The utility model discloses the partial section main view structure schematic diagram of impeller for submersible pump is shown in the figure;

[0021] Figure 6 The utility model discloses the connecting assembly explosion separation structure schematic diagram of impeller for submersible pump is shown in the figure;

[0022] Figure 7 The utility model discloses the impeller assembly splicing state section main view structure schematic diagram of impeller for submersible pump is shown in the figure.

[0023] In the figure: 1, impeller body; 2, guide shell; 3, guide cover; 4, lower notch; 5, upper notch; 6, connecting assembly; 601, half connecting hoop; 602, inner convex strip; 603, connecting bolt; 7, spacing pad; 8, sealing arc pad; 9, sealing ring; 10, sealing ring pad; 11, upper notch; 12, lower convex part. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Reference Figures 1-7 The impeller for submersible pump comprises an impeller body 1, a guide shell 2 and a guide cover 3, the impeller body 1 is arranged between the guide shell 2 and the guide cover 3, the circumferential outer wall of the guide cover 3 is provided with a lower notch 4, the circumferential outer wall of the guide shell 2 is provided with an upper notch 5, a connecting assembly 6 is arranged between the guide shell 2 and the guide cover 3, the connecting assembly 6 comprises two half connecting hoops 601, the two half connecting hoops 601 embrace the connecting part of the guide shell 2 and the guide cover 3, two inner convex strips 602 are integrally formed on the inner side of the half connecting hoop 601, the two inner convex strips 602 are respectively clamped with the lower notch 4 and the upper notch 5, two connecting bolts 603 are inserted at both ends between the two half connecting hoops 601, a connecting nut is threadedly sleeved with one end of the connecting bolt 603, the inner convex strips 602 are clamped with the lower notch 4 and the upper notch 5, so that the two half connecting hoops 601 embrace the connecting part of the guide shell 2 and the guide cover 3, and then the two half connecting hoops 601 are fixed by the connecting bolt 603, so that the guide shell 2 and the guide cover 3 are fixed, and then the guide shell 2 and the guide cover 3 are firmly connected.

[0026] Both ends between the two half connecting hoops 601 are provided with spacing pads 7, so that the two half connecting hoops 601 are connected conveniently, the inner side of the half connecting hoop 601 is embedded with a sealing arc pad 8, so that the connecting part of the half connecting hoop 601, the guide cover 3 and the guide shell 2 is sealed, the top of the guide cover 3 is bonded with a sealing ring 9, the bottom of the guide shell 2 is bonded with a sealing ring pad 10, the sealing ring pad 10 contacts with the sealing ring 9, when the guide shell 2 and the guide cover 3 are combined together, the sealing ring 9 contacts with the sealing ring pad 10 to seal the guide shell 2 and the guide cover 3, the top of the guide shell 2 is provided with an upper notch 11, the bottom of the guide cover 3 is provided with a lower convex part 12, the lower convex part 12 is clamped with the upper notch 11, the upper notch 11 of one impeller assembly is clamped with the lower convex part 12 of another impeller assembly, so that the plurality of impeller assemblies are assembled and used.

[0027] The working principle of the embodiment is as follows: when in use, the flow guide shell 2 and the flow guide cover 3 are combined together, the impeller body 1 is wrapped inside, the sealing ring 9 is in contact with the sealing ring pad 10 to seal the flow guide shell 2 and the flow guide cover 3, then the inner convex strip 602 is clamped with the lower notch 4 and the upper notch 5, so that the two half connecting hoops 601 are embraced at the connecting position of the flow guide shell 2 and the flow guide cover 3, and the connecting bolt 603 is used to fix the two half connecting hoops 601, so as to fix the flow guide shell 2 and the flow guide cover 3.

[0028] When the impeller assembly is assembled and used, the upper notch 11 of one impeller assembly is clamped with the lower convex part 12 of another impeller assembly, so that the plurality of impeller assemblies are assembled and used.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An impeller for a submersible pump, comprising an impeller body (1), a guide casing (2) and a guide cover (3), the impeller body (1) being arranged between the guide casing (2) and the guide cover (3), characterized in that, The circumferential outer wall of the flow guide cover (3) is provided with a lower notch (4), the circumferential outer wall of the flow guide shell (2) is provided with an upper notch (5), and the flow guide shell (2) and the flow guide cover (3) are provided with a connecting assembly (6), the connecting assembly (6) comprises two half connecting hoops (601), the two half connecting hoops (601) are embraced at the connecting part of the flow guide shell (2) and the flow guide cover (3), the inner side of the half connecting hoop (601) is fixedly connected with two inner convex strips (602), the two inner convex strips (602) are respectively clamped with the lower notch (4) and the upper notch (5), and the two ends between the two half connecting hoops (601) are respectively inserted with two connecting bolts (603), and one end of the connecting bolt (603) is threadedly sleeved with a connecting nut.

2. The impeller for a submersible pump according to claim 1, characterized by The two ends between the two half connecting hoops (601) are respectively provided with a spacing pad (7).

3. The impeller for a submersible pump according to claim 1, characterized by The inner side of the half connecting hoop (601) is embedded with a sealing arc pad (8).

4. The impeller for a submersible pump according to claim 1, characterized by The top of the flow guide cover (3) is bonded with a sealing ring (9).

5. The impeller for a submersible pump according to claim 4, characterized by The bottom of the flow guide shell (2) is bonded with a sealing ring pad (10), and the sealing ring pad (10) is in contact with the sealing ring (9).

6. The impeller for a submersible pump according to claim 1, characterized by The top of the flow guide shell (2) is provided with an upper notch (11).

7. The impeller for a submersible pump according to claim 6, characterized by The bottom of the flow guide cover (3) is provided with a lower convex part (12), and the lower convex part (12) is clamped with the upper notch (11). The bottom of the flow guide cover (3) is provided with a lower convex part (12), and the lower convex part (12) is clamped with the upper notch (11).

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