Hub structure of submerged pump ceramic impeller

Abstract

The utility model relates to the technical field of submerged pumps, and discloses a hub structure of a submerged pump ceramic impeller. The hub structure of the submerged pump ceramic impeller comprises a main shaft body, a connecting block is fixedly installed at the top of the main shaft body, a threaded hole is fixedly formed in the connecting block, a metal framework is arranged on the outer side of the main shaft body, and a ceramic impeller cap is movably connected to the top of the main shaft body; and a ceramic adhesive bonding layer is fixedly mounted at the bottom of the ceramic impeller cap. According to the hub structure of the submerged pump ceramic impeller, the hexagonal main shaft body is inserted into the supporting groove, so that the impeller body is supported, the impeller body, the connecting ring, the supporting ring and the supporting groove are integrally made of ceramic materials, the corrosion resistance effect of the hub structure of the submerged pump ceramic impeller can be improved, torque is transmitted by the impeller body and the metal framework through the hexagon, and the service life is prolonged. The ceramic impeller and the metal framework solve the axial force through the shape of the main shaft body, and the ceramic impeller is prevented from falling downwards from the framework.

Description

Technical Field

[0001] The utility model relates to the technical field of submersible pumps, and specifically relates to a hub structure of a ceramic impeller of a submersible pump. Background Art

[0002] The impeller of a submersible pump mainly consists of three parts: a hub, blades, and a cover plate. According to the form of the impeller, it can be divided into a closed impeller, an open impeller, and a semi-open impeller.

[0003] For the existing Chinese utility model patent with the reference publication number: CN218177561U, it discloses an impeller for a pump body, including an impeller main body. Through holes are provided in the middle of both sides of the impeller main body, and the inner wall of the through hole is sleeved and connected with a rotating shaft. A groove is provided on one side of the impeller main body, and an auxiliary mechanism is provided on the inner wall of the groove. The auxiliary mechanism includes a fixed sleeve fixedly installed with the blade, and several card slots are provided on the edge of the impeller main body. The beneficial effect of the utility model is: by providing a power supply component to provide a power source for the electric telescopic rod, cooperating with the control switch on the control panel to control the telescopic state of the electric telescopic rod, and cooperating with the limit block and the through holes on the blade, it is convenient to install the blade in the installation groove on the fixed sleeve and also convenient to disassemble the blade from the installation groove for replacement.

[0004] The anti-corrosion effect of the existing impeller for a submersible pump is not good. And since the impeller of the submersible pump is connected to the shaft by threads, the connection between the metal skeleton and the ceramic impeller needs to overcome torque and axial force, especially the downward axial force is relatively large, including the self-weight of the impeller and the hydraulic dynamic load, thus easily causing damage to the impeller. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a hub structure of a ceramic impeller of a submersible pump, which has the advantages of simple structure, reasonable force, easy manufacturing, solving the transmission of torque and radial force, and better anti-corrosion effect, and solves the above technical problems.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: a hub structure of a ceramic impeller of a submersible pump, including:

[0009] The main shaft body, the main shaft body presents a hexagonal shape, a connecting block is fixedly installed at the top of the main shaft body, a threaded hole is fixedly installed inside the connecting block, a thread is provided inside the threaded hole, a metal skeleton is arranged outside the main shaft body, a ceramic impeller cap is movably connected to the top of the main shaft body, the ceramic impeller cap presents a "U" shape, a ceramic glue bonding layer is fixedly installed at the bottom of the ceramic impeller cap, a ceramic glue adhesive layer is fixedly installed outside the ceramic impeller cap, a bolt is movably connected inside the ceramic impeller cap, and a retaining piece is movably connected to the outer side of the middle of the bolt, and the retaining piece presents an annular shape.

[0010] As a preferred technical solution of the present invention, a baffle is fixedly installed at the top of the main shaft body, and an arc plate is fixedly installed at the top of the baffle, and the arc plate is a structure for support.

[0011] As a preferred technical solution of the present invention, an insertion ring is movably connected to the inner part of the top of the arc plate, the insertion ring presents an annular shape, and the insertion ring is a structure for insertion and support.

[0012] As a preferred technical solution of the present invention, a support plate is fixedly installed at the top of the insertion ring, and a ceramic glue layer is fixedly installed outside the insertion ring, and the ceramic glue layer is a structure for adhesion.

[0013] As a preferred technical solution of the present invention, an impeller body is movably connected to the outside of the main shaft body, and a connecting ring is fixedly installed inside the impeller body, and the connecting ring is a structure for connection.

[0014] As a preferred technical solution of the present invention, the connecting ring presents an annular shape, and a support ring is fixedly installed in the middle of the outside of the connecting ring, and the support ring is a structure for support.

[0015] As a preferred technical solution of the present invention, a support groove is fixedly installed inside the connecting ring, a hexagonal groove is provided inside the support groove, and the support groove is a structure for support.

[0016] Compared with the prior art, the present invention provides a hub structure of a submersible pump ceramic impeller, which has the following beneficial effects:

[0017] 1. In the present invention, the hexagonal shape of the main shaft body is inserted into the support groove to support the impeller body. The impeller body, the connecting ring, the support ring and the support groove are made of integral ceramic material, so as to improve the corrosion resistance of the hub structure of the submersible pump ceramic impeller. The impeller body and the metal skeleton transmit torque through the hexagon, and the ceramic impeller and the metal skeleton solve the axial force through the shape of the main shaft body to prevent the ceramic impeller from falling off the skeleton downward.

[0018] 2. The utility model connects the connecting block through the ceramic impeller cap. By rotating the bolt, the fixation of the ceramic impeller cap can be strengthened. Through the ceramic glue bonding layer and the ceramic adhesive layer, the ceramic impeller cap can be bonded to the ceramic impeller and the metal skeleton at the same time, providing double insurance. The metal skeleton, the impeller body, and the ceramic impeller cap are all bonded through ceramic glue, thereby improving the stability of the hub structure of the ceramic impeller of the submersible pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the main shaft body of the utility model;

[0021] Figure 3 It is a schematic diagram of the ceramic impeller cap of the utility model;

[0022] Figure 4 It is a schematic diagram of the baffle of the utility model;

[0023] Figure 5 It is a schematic diagram of the impeller body of the utility model.

[0024] Wherein: 1. Main shaft body; 11. Connecting block; 12. Threaded hole; 13. Metal skeleton; 2. Ceramic impeller cap; 21. Ceramic glue bonding layer; 22. Ceramic adhesive layer; 23. Bolt; 24. Flap; 3. Baffle; 31. Arc plate; 32. Insertion ring; 33. Support plate; 34. Ceramic glue layer; 4. Impeller body; 41. Connecting ring; 42. Support ring; 43. Support groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes in detail the embodiments of the utility model in conjunction with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0026] In the description of the utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Please refer to Figure 1 - Figure 5 , in this embodiment, a hub structure of a submersible pump ceramic impeller includes: a main shaft body 1, the main shaft body 1 is hexagonal in shape, a connecting block 11 is fixedly installed at the top of the main shaft body 1, a threaded hole 12 is fixedly installed inside the connecting block 11, a thread is provided inside the threaded hole 12, and a metal skeleton 13 is arranged outside the main shaft body 1.

[0029] Specifically, the main shaft body 1 inside the metal skeleton 13 can support the main shaft body 1, the hexagonal shape of the main shaft body 1 can support and connect the impeller body 4, and the connecting block 11 can clamp the ceramic impeller cap 2.

[0030] The top of the main shaft body 1 is movably connected to a ceramic impeller cap 2, the ceramic impeller cap 2 is in a "U" shape, a ceramic glue bonding layer 21 is fixedly installed at the bottom of the ceramic impeller cap 2, a ceramic glue adhesion layer 22 is fixedly installed outside the ceramic impeller cap 2, a bolt 23 is movably connected inside the ceramic impeller cap 2, and a retaining piece 24 is movably connected to the middle outside of the bolt 23, and the retaining piece 24 is in a ring shape.

[0031] Specifically, the ceramic impeller cap 2 can support the connecting block 11, and the ceramic glue bonding layer 21 and the ceramic glue adhesion layer 22 can bond the ceramic impeller cap 2, the main shaft body 1 and the support groove 43, thereby improving the stability and firmness of the hub structure of the submersible pump ceramic impeller.

[0032] A baffle 3 is fixedly installed at the top of the main shaft body 1, and an arc plate 31 is fixedly installed at the top of the baffle 3.

[0033] An insertion ring 32 is movably connected to the top inside of the arc plate 31, and the insertion ring 32 is in a ring shape.

[0034] A support plate 33 is fixedly installed at the top of the insertion ring 32, and a ceramic glue layer 34 is fixedly installed outside the insertion ring 32.

[0035] Specifically, the ceramic impeller cap 2 can be supported by the baffle plate 3 and the arc-shaped plate 31. The insertion ring 32 is inserted into the inside of the arc-shaped plate 31 and supported by the support plate 33, so that the bolt 23 can be sealed, and the insertion ring 32 can be fixed by the ceramic adhesive layer 34.

[0036] The outside of the main shaft body 1 is movably connected with the impeller body 4, and a connecting ring 41 is fixedly installed inside the impeller body 4.

[0037] The connecting ring 41 is in a ring shape, and a support ring 42 is fixedly installed in the middle of the outside of the connecting ring 41.

[0038] A support groove 43 is fixedly installed inside the connecting ring 41, and a hexagonal groove is arranged inside the support groove 43.

[0039] Specifically, the impeller body 4, the connecting ring 41, the support ring 42 and the support groove 43 are made of integral ceramic material, which improves the corrosion resistance of the hub structure of the submersible pump ceramic impeller and improves the practicability of the hub structure of the submersible pump ceramic impeller.

[0040] In use, the impeller body 4, connecting ring 41, support ring 42 and support groove 43 are made of integral ceramic material, and the ceramic impeller cap 2, baffle 3, arc plate 31, insertion ring 32 and support plate 33 are made of ceramic, so as to improve the corrosion resistance and stability of the hub structure of the ceramic impeller of the submersible pump. By inserting the main shaft body 1 inside the metal skeleton 13 into the support groove 43, the impeller body 4 can be supported. The support groove 43 and the main shaft body 1 are bonded with ceramic glue, so as to prevent the impeller body 4 from shaking outside the main shaft body 1 and improve the stability of the hub structure of the ceramic impeller of the submersible pump. Through the hexagonal shape of the main shaft body 1, and the impeller body 4 and the metal skeleton 13 solve the axial force through the shape of the main shaft body 1 and the connection of the connecting block 11 and the ceramic impeller cap 2, preventing the ceramic impeller from falling off the skeleton downward, and improving the stability of the hub structure of the ceramic impeller of the submersible pump. The ceramic impeller cap 2 clamps the connecting block 11, and the ceramic impeller cap 2, the main shaft body 1 and the support groove 43 can be bonded through the ceramic glue bonding layer 21 and the ceramic glue adhesive layer 22, so that the metal skeleton 13, the impeller body 4 and the ceramic impeller cap 2 are bonded by ceramic glue, avoiding the problem of shaking and fixing of the impeller body 4 during use and improving the stability of the hub structure of the ceramic impeller of the submersible pump. Rotate the bolt 23 and limit it through the retaining piece 24, so as to reinforce the connection between the ceramic impeller cap 2 and the connecting block 11. By inserting the insertion ring 32 into the arc plate 31 and supporting it through the support plate 33, the bolt 23 can be sealed, avoiding the bolt 23 from being corroded and rusted. The insertion ring 32 and the arc plate 31 can be connected through the ceramic glue layer 34, so as to improve the connection stability and corrosion resistance of the hub structure of the ceramic impeller of the submersible pump.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hub structure of a submersible pump ceramic impeller, characterized in that: The hub structure of the ceramic impeller of the submersible pump comprises a main shaft body (1), the main shaft body (1) is in a hexagonal shape, a connecting block (11) is fixedly mounted on the top of the main shaft body (1), a threaded hole (12) is fixedly mounted inside the connecting block (11), a thread is arranged inside the threaded hole (12), a metal frame (13) is arranged outside the main shaft body (1), a ceramic impeller cap (2) is movably connected to the top of the main shaft body (1), the ceramic impeller cap (2) is in a "U" shape, a ceramic adhesive layer (21) is fixedly mounted on the bottom of the ceramic impeller cap (2), a ceramic adhesive layer (22) is fixedly mounted on the outside of the ceramic impeller cap (2), a bolt (23) is movably connected to the inside of the ceramic impeller cap (2), a baffle (24) is movably connected to the middle outer side of the bolt (23), and the baffle (24) is in an annular shape.

2. The hub structure of a submersible pump ceramic impeller according to claim 1, characterized in that: A baffle (3) is fixedly mounted on the top of the main shaft body (1), and an arc-shaped plate (31) is fixedly mounted on the top of the baffle (3).

3. The hub structure of a submersible pump ceramic impeller according to claim 2, characterized in that: An insertion ring (32) is movably connected inside the top of the arc-shaped plate (31), and the insertion ring (32) is in a ring shape.

4. The hub structure of a submersible pump ceramic impeller according to claim 3, characterized in that: A support plate (33) is fixedly mounted on the top of the insertion ring (32), and a ceramic adhesive layer (34) is fixedly mounted on the outer side of the insertion ring (32).

5. The hub structure of a submersible pump ceramic impeller according to claim 1, characterized in that: The outer side of the main shaft body (1) is movably connected to an impeller body (4), and a connecting ring (41) is fixedly installed inside the impeller body (4).

6. The hub structure of a submersible pump ceramic impeller according to claim 5, characterized in that: The connecting ring (41) is in an annular shape, and a supporting ring (42) is fixedly installed in the middle of the outer side of the connecting ring (41).

7. The hub structure of a ceramic impeller for a submersible pump according to claim 6, characterized in that: A supporting groove (43) is fixedly installed inside the connecting ring (41), and a hexagonal groove is arranged inside the supporting groove (43).

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