Submersible pump impeller dismounting structure

Abstract

The utility model discloses a submersible pump impeller dismounting structure which comprises a submersible pump body, a lower anti-corrosion assembly and an upper anti-corrosion assembly. The submersible pump body comprises a threaded shaft at the bottom, an impeller movably installed at the outer end of the threaded shaft and a bottom cover installed at the bottom of the submersible pump body. According to the submersible pump impeller dismounting structure, after the impeller is pressed by the screw installed at the upper end of the threaded shaft at the bottom of the impeller in the submersible pump body, the inner sealing ring and the outer sealing ring on the inner side and the outer side of the upper end of the screw can be inserted into the inner sealing groove and the outer sealing groove in a matched mode; the inner sealing gasket and the outer sealing gasket in the inner sealing groove and the outer sealing groove are pressed tightly, so that the connection between the bottom of the threaded shaft and the screw is sealed, and the problem that the screw and the threaded shaft are rusted and are inconvenient to disassemble during long-term use of the submersible pump body is solved; and a screwing opening can be replaced after the hexagonal part at the bottom of the screw is screwed off, so that the problem that the screw cannot be disassembled after the bottom of the screw is screwed off is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of submersible pumps, in particular to a submersible pump impeller disassembly structure. Background Art

[0002] The submersible pump impeller disassembly structure is a submersible pump bottom impeller installation structure, so as to ensure the convenience of impeller disassembly, usually composed of a threaded shaft connected to the bottom of the submersible pump, an impeller and a screw installed on the outer end of the threaded column at the bottom of the impeller.

[0003] In the existing submersible pump impeller disassembly structure, the impeller is mostly directly installed on the upper end of the threaded shaft, and screws are installed at the bottom of the threaded shaft to realize the impeller disassembly structure. Because the submersible pump works in water, this disassembly structure is prone to rust between the threaded shaft, the impeller and the screws, which makes it difficult to disassemble. Therefore, we propose a submersible pump impeller disassembly structure. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A submersible pump impeller disassembly structure comprises: a submersible pump body, a lower anti-rust component, and an upper anti-rust component; the submersible pump body comprises a threaded shaft at the bottom thereof, an impeller movably mounted at the outer end of the threaded shaft, and a bottom cover mounted at the bottom of the submersible pump body; the lower anti-rust component comprises a screw movably mounted at the outer end of the threaded shaft, an inner sealing groove and an outer sealing groove respectively opened at the inner and outer sides of the lower part of the impeller, an inner sealing ring and an outer sealing ring respectively fixedly arranged at the inner and outer sides of the upper end of the screw, and an inner sealing gasket and an outer sealing gasket respectively movably mounted in the inner sealing groove and the outer sealing groove; the upper anti-rust component comprises an upper sealing cover fixedly mounted at the upper end of the threaded shaft, and an upper sealing groove opened at the upper part of the impeller.

[0007] Preferably, the outer end of the screw is also provided with a hexagonal opening.

[0008] Preferably, the inner sealing ring and the outer sealing ring are matched with the inner sealing groove and the outer sealing groove respectively.

[0009] Preferably, the cross sections of the inner sealing groove, the outer sealing groove, the inner sealing ring and the outer sealing ring are all circular ring structures.

[0010] Preferably, the upper sealing groove matches the upper sealing cover.

[0011] Preferably, an upper sealing gasket is movably installed in the upper sealing groove.

[0012] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0013] 1. In the utility model, the screw installed at the upper end of the threaded shaft at the bottom of the impeller in the submersible pump body can be inserted into the inner and outer sealing grooves and the outer sealing grooves by matching the inner and outer sealing rings on the inner and outer sides of the upper end after the impeller is pressed, and the inner and outer sealing gaskets in the inner and outer sealing grooves are pressed, so as to seal the connection between the bottom of the threaded shaft and the screw, so as to avoid the problem of rust between the screw and the threaded shaft and inconvenience in disassembly during long-term use of the submersible pump body. At the same time, the hexagonal opening provided on the outside of the screw can also be replaced by the screw opening after the hexagonal part of the bottom of the screw is twisted off, so as to avoid the problem of inability to disassemble after the bottom of the screw is twisted off;

[0014] 2. In the utility model, after the screws at the outer end of the threaded shaft at the bottom of the impeller are tightened, the upper sealing cover installed on the top of the threaded shaft will be engaged in the upper sealing groove on the upper part of the impeller, and will also press the upper sealing gasket in the upper sealing groove, thereby ensuring the seal between the upper part and the threaded shaft after the impeller is tightened, thereby avoiding the problem of rust between the upper and middle parts of the threaded shaft and the impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 Another perspective of the exploded view of the utility model;

[0018] Figure 4 It is a partial side sectional view of the external sealing screw of the utility model.

[0019] Reference numerals:

[0020] 100, submersible pump body; 101, threaded shaft; 102, impeller; 103, bottom cover;

[0021] 200, lower anti-corrosion assembly; 201, screw; 202, inner sealing groove; 203, outer sealing groove; 204, inner sealing ring; 205, outer sealing ring; 206, inner sealing gasket; 207, outer sealing gasket; 208, hexagonal mouth;

[0022] 300, upper anti-corrosion assembly; 301, upper sealing cover; 302, upper sealing groove; 303, upper sealing gasket. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] A submersible pump impeller disassembly structure provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings. Embodiment 1

[0025] Combination Figure 1-4 As shown, the utility model provides a submersible pump impeller disassembly structure, comprising: a submersible pump body 100, a lower anti-corrosion component 200, and an upper anti-corrosion component 300; the submersible pump body 100 comprises a threaded shaft 101 at the bottom thereof, an impeller 102 movably mounted at the outer end of the threaded shaft 101, and a bottom cover 103 mounted at the bottom of the submersible pump body 100; the lower anti-corrosion component 200 comprises a screw 201 movably mounted at the outer end of the threaded shaft 101, an inner sealing groove 202 and an outer sealing groove 203 respectively provided at the inner and outer sides of the lower part of the impeller 102, and a bottom cover 103 mounted at the bottom of the submersible pump body 100; 3. An inner sealing ring 204 and an outer sealing ring 205 are fixedly arranged on the inner and outer sides of the upper end of the screw 201, and an inner sealing gasket 206 and an outer sealing gasket 207 are movably installed in the inner sealing groove 202 and the outer sealing groove 203 respectively; a hexagonal mouth 208 is also provided on the outer end of the screw 201, and the inner sealing ring 204 and the outer sealing ring 205 are matched with the inner sealing groove 202 and the outer sealing groove 203 respectively, and the cross sections of the inner sealing groove 202, the outer sealing groove 203, the inner sealing ring 204 and the outer sealing ring 205 are all circular ring structures.

[0026] Specifically, the submersible pump impeller disassembly structure is a mounting structure of the impeller 102 at the bottom of the submersible pump, so as to ensure the convenience of disassembly of the impeller 102, and is usually composed of a threaded shaft 101 connected to the bottom of the submersible pump, an impeller 102, and a screw 201 mounted on the outer end of the threaded shaft 101 at the bottom of the impeller 102; the screw 201 mounted on the upper end of the threaded shaft 101 at the bottom of the impeller 102 in the submersible pump body 100 can be inserted into the inner sealing groove 204 and the outer sealing ring 205 on the inner and outer sides of the upper end after the impeller 102 is pressed. 02 and the outer sealing groove 203, and the inner sealing gasket 206 and the outer sealing gasket 207 in the inner sealing groove 202 and the outer sealing groove 203 are compressed, so as to seal the connection between the bottom of the threaded shaft 101 and the screw 201, so as to avoid the problem of rust between the screw 201 and the threaded shaft 101 during the long-term use of the submersible pump body 101 and the inconvenience of disassembly. At the same time, the hexagonal mouth 208 arranged on the outside of the screw 201 can also be replaced by the screw mouth after the hexagonal part of the bottom of the screw 201 is twisted off, so as to avoid the problem that the screw 201 cannot be disassembled after the bottom is twisted off. Embodiment 2

[0027] Combination Figure 4As shown, based on the first embodiment, the upper anti-corrosion component 300 includes an upper sealing cover 301 fixedly installed on the upper end of the threaded shaft 101, and an upper sealing groove 302 opened on the upper part of the impeller 102. The upper sealing groove 302 matches the upper sealing cover 301, and an upper sealing gasket 303 is also movably installed in the upper sealing groove 302.

[0028] Specifically, after the screw 201 at the outer end of the threaded shaft 101 at the bottom of the impeller 102 is tightened, the upper sealing cover 301 installed on the top of the threaded shaft 101 will be engaged in the upper sealing groove 302 on the upper part of the impeller 102, and will also press the upper sealing gasket 303 in the upper sealing groove 302, thereby ensuring the seal between the upper part of the impeller 102 and the threaded shaft 101 after the impeller 102 is tightened, thereby avoiding the problem of rust between the upper and middle parts of the threaded shaft 101 and the impeller 102.

[0029] The working principle and use process of this utility model:

[0030] When the impeller 102 inside the submersible pump body 100 is disassembled, the bottom cover 103 at the bottom is removed first. After the bottom cover 103 is removed, the screw 201 at the bottom of the impeller 102 can be tightened with a wrench, because the inner and outer sides of the upper part of the screw 201 are inserted into and pressed against the inner sealing groove 202 and the inner sealing gasket 206 and the outer sealing gasket 207 in the outer sealing groove 203, and the upper sealing cover 301 of the upper sealing gasket 303 in the upper sealing groove 302 is inserted into and pressed against the top of the threaded shaft 101, so that the upper, middle and lower parts of the threaded shaft 101 are not easily corroded between the impeller 102 and the screw 201, so that the impeller 102 at the upper end of the threaded shaft 101 can be easily removed after the screw 201 is unscrewed.

[0031] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A submersible pump impeller disassembly structure, characterized in that: include: Submersible pump body (100), lower anti-corrosion component (200), upper anti-corrosion component (300); The submersible pump body (100) comprises a threaded shaft (101) at the bottom thereof, an impeller (102) movably mounted at the outer end of the threaded shaft (101), and a bottom cover (103) mounted at the bottom of the submersible pump body (100); The lower anti-corrosion component (200) comprises a screw (201) movably mounted on the outer end of the threaded shaft (101), an inner sealing groove (202) and an outer sealing groove (203) respectively provided on the inner and outer sides of the lower part of the impeller (102), an inner sealing ring (204) and an outer sealing ring (205) respectively fixedly arranged on the inner and outer sides of the upper end of the screw (201), and an inner sealing gasket (206) and an outer sealing gasket (207) respectively movably mounted in the inner sealing groove (202) and the outer sealing groove (203); The upper anti-corrosion component (300) comprises an upper sealing cover (301) fixedly mounted on the upper end of the threaded shaft (101) and an upper sealing groove (302) opened on the upper part of the impeller (102).

2. A submersible pump impeller disassembly structure according to claim 1, characterized in that: The outer end of the screw (201) is also provided with a hexagonal opening (208).

3. A submersible pump impeller disassembly structure according to claim 1, characterized in that: The inner sealing ring (204) and the outer sealing ring (205) are matched with the inner sealing groove (202) and the outer sealing groove (203) respectively.

4. A submersible pump impeller disassembly structure according to claim 1, characterized in that: The cross sections of the inner sealing groove (202), the outer sealing groove (203), the inner sealing ring (204) and the outer sealing ring (205) are all circular ring structures.

5. The submersible pump impeller disassembly structure according to claim 1, characterized in that: The upper sealing groove (302) matches the upper sealing cover (301).

6. A submersible pump impeller disassembly structure according to claim 1, characterized in that: An upper sealing gasket (303) is also movably installed in the upper sealing groove (302).

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