CN219974845U - Submersible pump - Google Patents

Abstract

The submersible pump comprises a water absorption assembly and a shell assembly, wherein the water absorption assembly is arranged in the shell assembly, and the shell assembly is provided with a water inlet and a water outlet; the submersible pump further comprises a separation plate, wherein the separation plate is arranged on the shell assembly and is used for shielding at least part of the water inlet; the isolation plate can be pushed by high-speed fluid to change the size of the water inlet area of the water inlet. According to the submersible pump provided by the utility model, the isolating plate is arranged on the shell component and is used for shielding at least part of the water inlet, and the isolating plate can be pushed under the impact of high-speed fluid, so that the shielding area of the isolating plate on the water inlet is changed, and the water inlet area of the water inlet is changed.

Description

Submersible pump

Technical Field

The utility model relates to the technical field of submersible pumps, in particular to a submersible pump.

Background

The submerged pump is a device capable of extracting groundwater to the ground surface, and plays an important role in farm irrigation, seawater lifting, fountain landscaping and the like.

The submersible pump comprises a water inlet and a water outlet, liquid is sucked from the water inlet and guided to the water outlet by the submersible pump under the general condition, the water inlet area of the water inlet influences the water absorption efficiency of the submersible pump, and in the prior art, the water inlet area of the water inlet of most of the submersible pumps is generally not adjustable.

The water inflow area of the water inlet is not adjustable, the area of the water inlet is larger for wide applicability, but when the water level is very low, the water inflow area of the water inlet is relatively overlarge, the lowest water absorption level of the water inlet is too high, the water inlet can be mixed with gas and liquid to be sucked into the pump body, the negative pressure effect of the submersible pump can be reduced, the flow rate of the submersible pump can be reduced, and low-water-level liquid at the bottom of the submersible pump is not completely pumped.

In summary, the submersible pump in the prior art has a further room for improvement.

Disclosure of Invention

According to the technical problem, the submersible pump can automatically adjust the water inlet area of the water inlet, so that the submersible pump can pump water with a low water level more cleanly.

The submersible pump comprises a water absorption assembly and a shell assembly, wherein the water absorption assembly is arranged in the shell assembly, and a water inlet and a water outlet are formed in the shell assembly;

the submersible pump further comprises a separation plate, wherein the separation plate is arranged on the shell assembly and is used for shielding at least part of the water inlet;

the isolation plate can be pushed by high-speed fluid to change the size of the water inlet area of the water inlet.

On one hand, the submersible pump provided by the utility model is characterized in that the shell component is provided with the isolation plate, at least part of the water inlet is blocked by the isolation plate, and the isolation plate can be pushed under the impact of high-speed fluid, so that the lowest water suction level of the water inlet is changed; when the water level is higher, the impact force of the liquid on the isolation plate is larger, the pushed amplitude of the isolation plate is larger, the shielding area of the isolation plate on the water inlet is reduced, the lowest water absorption level height and the water inlet area of the water inlet are larger, and the liquid can be rapidly pumped into the submersible pump in a large amount; when the water level is reduced, the impact of water is smaller, the isolation plate is reset, the pushed amplitude of the isolation plate is smaller, the shielding area of the isolation plate to the water inlet is larger, the lowest water absorption level of the water inlet and the water inlet area of the water inlet are lower, the ground clearance of the isolation plate is small, the amount of gas-liquid mixture entering the pump body is reduced, the suction force of the submersible pump can be ensured, and the submersible pump can be ensured to extract water with low water level completely; the submersible pump can automatically adjust the minimum water suction level height and the water inlet area of the water inlet according to the flow velocity of the liquid, so that the submersible pump can better suck the liquid at each water level, and the working efficiency of the submersible pump is improved.

Further, the isolation plate is made of flexible materials, and the hardness of the isolation plate is 10-120 degrees Shore;

one end of the isolation plate is fixedly connected to the shell assembly.

Further, a mounting groove is formed in the shell assembly, and the isolation plate is at least partially positioned in the mounting groove;

the isolation plate comprises a mounting part and an adjusting part, the mounting part is positioned in the mounting groove, and the adjusting part is used for shielding the water inlet;

the thickness of the adjusting part is smaller than that of the mounting part.

Further, the isolation plate is provided with a limit bump, and the mounting groove is provided with a limit hole matched with the limit bump.

Further, the limit bump protrudes toward the inside of the partition plate and exceeds the mounting portion.

Furthermore, the isolation plate is made of hard materials and is movably connected to the shell assembly.

Further, the shell assembly comprises a base, and a first water inlet and a second water inlet are formed in the base;

the second water inlets are at least two, and support legs are arranged between the second water inlets.

Further, locking parts are arranged at two ends of the support legs, and locking parts matched with the locking parts are arranged at two ends of the isolation plate.

Further, the locking part comprises a locking groove, and the locking part comprises a locking block matched with the locking groove;

the thickness of the locking part is larger than that of the mounting part.

Further, when the isolation plate is reset, the distance between the bottom end of the isolation plate and the bottom end of the base is L1;

the distance between the first water inlet and the bottom end of the base is L2;

wherein L2> L1>0.

The submersible pump of the utility model has at least the following technical effects:

the utility model is based on the cooperation of the impact force of the fluid and the isolation plate, so that the lowest water suction level height and the water inlet area of the submersible pump can be automatically adjusted according to the flow velocity of the liquid to better suck the liquid of each water level, thereby improving the working efficiency of the submersible pump;

through the partition plate made of flexible materials, one end of the partition plate is fixedly connected to the shell assembly, and the free end of the partition plate can be pushed to deform under the impact of certain high-speed fluid, so that the shielding of the partition plate to the water inlet is changed, the minimum water suction level height of the water inlet and the water inlet area of the water inlet are changed, and when the fluid speed is reduced, the partition plate can be reset;

through the division board that adopts hard material to make, the one end swing joint of division board is on the casing subassembly, and the free end of division board can be pushed away under the impact of fluid to make the division board reduce the area of sheltering from of water inlet, thereby change the minimum water level height of inhaling of water inlet and the inflow area of water inlet, when fluidic speed reduces, the division board resets.

On the other hand, the utility model also provides a submersible pump which comprises a water absorption assembly and a shell assembly, wherein the water absorption assembly is arranged in the shell assembly, and the shell assembly is provided with a water inlet and a water outlet;

the shell assembly comprises a base, and a first water inlet and a second water inlet are formed in the base;

wherein, second water inlet department is equipped with the check valve.

Compared with the prior art, the one-way valve is arranged at the second water inlet of the submersible pump, when the liquid flow is large, the isolation plate is impacted to open, the one-way valve is opened, the lowest water suction level of the second water inlet is high, the water inlet area is large, liquid can smoothly enter the submersible pump, when the liquid flow is small, the one-way valve is closed, the water inlet area of the second water inlet is reduced, the water suction level of the second water inlet is reduced, the one-way valve has one-way passing function on a gas-liquid mixture, liquid in the submersible pump can be prevented from flowing back, a certain suction force can be effectively assisted in the submersible pump, and the submersible pump can suck low-water level liquid; according to the submersible pump, the arranged one-way valve can change the water inlet area of the second water inlet and the lowest water suction level height of the second water inlet according to the flow rate and the flow velocity of liquid, so that the working efficiency of the submersible pump is greatly improved.

Drawings

FIG. 1 is a schematic diagram of a submersible pump according to an embodiment of the utility model;

FIG. 2 is a schematic cross-sectional view of a submersible pump according to an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of a connection structure of a base and a partition plate according to an embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of portion B of FIG. 4;

FIG. 6 is a schematic cross-sectional view of a base of an embodiment of the utility model;

FIG. 7 is an enlarged schematic view of portion C of FIG. 6;

FIG. 8 is a schematic view of a spacer according to an embodiment of the present utility model;

FIG. 9 is an enlarged schematic view of portion D of FIG. 8;

FIG. 10 is an enlarged schematic view of portion E of FIG. 8;

fig. 11 is a schematic side view of a base according to an embodiment of the present utility model.

Reference numerals: 1. submersible pump;

11. a water absorbing component; 12. a housing assembly; 13. a partition plate; 14. a water outlet;

121. a base;

1211. a mounting groove; 1212. a limiting hole; 1213. a first water inlet; 1214. a second water inlet; 1215. a support leg; 1216. a locking part; 1217. a support rib; 12161. a locking piece;

131. a mounting part; 132. a limit bump; 133. an adjusting section; 134. a locking part; 1341. a locking groove.

Detailed Description

In order to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

The utility model is described in further detail below with reference to the accompanying drawings, see for example figures 1 to 11.

As shown in fig. 1 to 2, the present embodiment provides a submersible pump comprising a water absorbing assembly 11 and a housing assembly 12, wherein the water absorbing assembly 11 is arranged in the housing assembly 12, the water absorbing assembly 11 comprises an impeller and a motor, the motor drives the impeller to rotate, thereby forming suction force in a pump body, sucking liquid from a water inlet on the housing assembly 12, and guiding the sucked liquid from a water outlet 14 on the housing assembly 12, wherein the height of the water inlet is lower than that of the water outlet 14; in this embodiment, the internal connection relationship between the motor, the impeller and the housing assembly 12 is not an utility model point of the present utility model, and will not be described herein;

as shown in fig. 2 to 3 and fig. 6 to 7, the submersible pump 1 further includes a partition plate 13, where the partition plate 13 is connected to the housing assembly 12, and the partition plate 13 is used for shielding at least part of the water inlet, i.e. the partition plate 13 at least shields part of the water inlet but does not shield the water inlet completely in a natural unstressed state; one end of the isolation plate 13 is connected to the shell assembly 12, the free end of the isolation plate 13 can be pushed by high-speed fluid, after the isolation plate 13 is pushed, the shielding area of the isolation plate to the water inlet is changed, and then the water inlet area of the water inlet is changed, so that the isolation plate 13 can automatically and flexibly adjust the height and the water inlet area of the lowest water absorption level of the water inlet according to the flow rate (equivalent to the impact force of the fluid) of the fluid, and the water absorption effect of the submersible pump 1 is greatly improved;

the shielding of the water inlet by the partition plate 13 has three states:

the first is that the isolation plate 13 is hardly influenced by the impact force of fluid and is hardly pushed, so that the shielding area of the isolation plate 13 to the water inlet is maximum, the water inlet area of the water inlet is minimum, the lowest water suction level of the water inlet is lowest, the ground clearance of the isolation plate 13 is small, the amount of gas-liquid mixture entering the pump body is reduced, the suction force of the submersible pump 1 can be ensured, and the submersible pump 1 can be ensured to suck liquid with low water level;

the second is that the isolation plate 13 receives fluid impact force, so that the isolation plate 13 at least shields part of the water inlet, the shielding area of the water inlet is moderate, the water inlet area of the water inlet is moderate, the lowest water absorption level of the water inlet is moderate, and the submersible pump 1 absorbs liquid at the middle water level;

thirdly, the isolation plate 13 is impacted by high-speed fluid, so that the isolation plate 13 is pushed away completely, the isolation plate 13 does not cover the water inlet, the water inlet area of the water inlet is maximum, the lowest water absorption level of the water inlet is highest, and the submersible pump 1 absorbs liquid with high water level.

Further, the isolation plate 13 is made of flexible materials, the hardness of the isolation plate 13 is between 10 and 120 degrees Shore, the isolation plate 13 in the hardness range can enable the isolation plate 13 to be impacted and deformed by fluid and reset and restore when not stressed, the shielding area of the isolation plate 13 to the water inlet can be changed according to the flow velocity of the fluid, the lowest water suction level height and the water inlet area of the water inlet can be automatically adjusted according to the flow velocity of the fluid, and then the submersible pump 1 can extract liquid with different water levels, so that the working efficiency of the submersible pump 1 is improved; in this embodiment, the upper end of the isolation plate 13 is fixedly connected to the housing assembly 12, and the lower end of the isolation plate 13 is a free end that can be deformed by fluid impact.

As shown in fig. 1 and 2, the housing assembly 12 includes a base 121, the base 121 is disposed at the bottom of the water absorbing assembly 11, a first water inlet 1213 and a second water inlet 1214 are disposed on the base 121, wherein the first water inlet 1213 is disposed in the middle of the base 121, the second water inlet 1214 is disposed on the outer wall of the base 121, and when the submersible pump 1 pumps water, external liquid enters the bottom of the base 121 from the second water inlet 1214 and then enters the inside of the submersible pump 1 through the first water inlet 1213; as shown in fig. 4, the bottom of the housing assembly 12 is provided with a supporting rib 1217, the supporting rib 1217 is used for raising the first water inlet 1213, and the supporting rib 1217 enables the first water inlet 1213 to have a certain height from the horizontal plane, so that the liquid can smoothly pass through the first water inlet 1213; at least two support ribs 1217 are provided, and a channel for passing liquid is formed between each support rib 1217, so that the liquid can flow to the first water inlet 1213;

the base 121 includes at least two second water inlets 1214 with feet 1215 therebetween. The support 1215 has a channel between them for the passage of liquid, which is the second water inlet 1214, so that the base 121 can stand stably on the ground, which is advantageous in ensuring the placement stability of the submersible pump 1.

Further, as shown in fig. 8 and 10, locking portions 1216 are provided at both ends of the leg 1215, and locking portions 134 are provided at both ends of the partition plate 13 to be engaged with the locking portions 1216. The locking portions 134 cooperate with the locking portions 1216 so that the partition plate 13 can be stably attached to the legs 1215, thereby ensuring stable attachment of the end of the partition plate 13 to the housing assembly 12.

Further, as shown in fig. 8 and 10, the locking portion 134 includes a locking groove 1341, the locking groove 1341 is two grooves, the grooves are asymmetric and irregular, a protruding block is arranged between the two grooves, the locking portion 1216 includes a locking block 12161 matched with the locking groove 1341, the locking block 12161 is inserted into the locking groove 1341, and the number of the locking blocks 12161 is two, so that the connection between the locking portion 134 and the locking portion 1216 is more stable and firm; the thickness of the locking portion 134 is greater than that of the mounting portion 131, so that the connection between the locking portion 134 and the locking portion 1216 is more stable and firm, and the end portion of the partition plate 13 is not easily detached from the leg 1215.

Further, as shown in fig. 4 and 8, the housing assembly 12 is provided with a mounting groove 1211, and the isolation plate 13 is at least partially located in the mounting groove 1211. In the present embodiment, the installation groove 1211 is located at the bottom of the housing assembly 12, and the top of the partition plate 13 is disposed in the installation groove 1211, so that the connection of the partition plate 13 to the housing assembly 12 is achieved, such that the upper end of the partition plate 13 is fixed, and the lower portion can be deformed by the fluid impact pushing, thereby enabling the partition plate 13 to be stably connected to the housing assembly 12 under the impact of the fluid; as shown in fig. 5, 7, and 9 to 10, the partition plate 13 includes a mounting portion 131 and an adjusting portion 133, the mounting portion 131 being positioned in the mounting groove 1211 such that the partition plate 13 is connected to the housing assembly 12, the adjusting portion 133 being for shielding the second water inlet 1214; and the thickness of the adjusting part 133 is smaller than that of the mounting part 131, the connection between the isolation plate 13 and the housing assembly 12 can be more stable, and the adjusting part 133 can be convenient to deform under the impact of fluid.

Further, a mounting groove 1211 is provided on the base 121.

Further, as shown in fig. 5, 7, 9 to 10, the spacer 13 is provided with a limit bump 132, and the mounting groove 1211 is provided with a limit hole 1212 matching with the limit bump 132. The spacing lug 132 sets up at the top of division board 13, and spacing lug 132 sets up in spacing hole 1212, is favorable to increasing the connection stability of division board 13 and base 121 to make division board 13 can also guarantee the connection stability with base 121 under receiving fluid impact.

Further, as shown in fig. 5, 7, and 9 to 10, the limiting bump 132 protrudes into the isolation board 13 and exceeds the mounting portion 131, so that the isolation board 13 can be limited up and down, so that the isolation board 13 cannot be separated from the base 121 at will, which is beneficial to increasing the connection stability between the base 121 and the isolation board 13.

Further, as shown in fig. 6, when the isolation plate 13 is reset, the distance between the bottom end of the isolation plate 13 and the bottom end of the base 121 is L1; the distance between the first water inlet 1213 and the bottom end of the base 121 is L2; wherein L2> L1>0. Here, it is shown that the separation plate 13 has a gap between the bottom end of the separation plate 13 and the ground under the condition that the separation plate 13 is hardly stressed in resetting, the gap can allow the low water level liquid to pass through, and meanwhile, the distance between the first water inlet 1213 and the bottom end of the base 121 is greater than the distance between the first water inlet 1213 and the bottom end of the base 121 during resetting of the separation plate 13, so that the submersible pump 1 can ensure a certain negative pressure effect when sucking the low water level liquid, the separation plate 13 can play a certain backflow prevention effect, and the submersible pump 1 has enough suction force to suck the low water level liquid cleanly. In this embodiment, the bottom end of the base 121 is in contact with the ground, and the horizontal plane of the bottom end is referred to as the ground.

In another alternative embodiment of the present utility model, the isolation plate 13 is made of hard material, and the isolation plate 13 is movably connected to the housing assembly 12; in this embodiment, the housing assembly 12 includes a base 121, the upper end of the isolation plate 13 is movably connected to the base 121, the lower end is a free end, and the free end of the isolation plate 13 can be pushed away under the impact of fluid, so that the shielding area of the isolation plate 13 to the second water inlet 1214 is reduced, and the water absorption level of the second water inlet 1214 is higher; when the speed of the fluid is reduced, the partition plate 13 is reset, the shielding area of the second water inlet 1214 is increased, and the water absorption level height and the water inlet area of the second water inlet 1214 are reduced, so that the minimum water absorption level height and the water inlet area of the water inlet of the submersible pump 1 can be changed according to the size and the flow rate of the fluid, and the working efficiency of the submersible pump 1 is greatly improved. The present embodiment is not shown in the drawings, but a person skilled in the art can derive the corresponding effects from the description.

In an alternative embodiment of the present utility model, as shown in fig. 11, a second water inlet 1214 is provided on a side wall of the housing assembly 12, the second water inlet 1214 being divided into an upper water inlet and a lower water inlet, the upper water inlet being in the shape of a circular hole;

the bottom of the shell component 12 is provided with supporting ribs 1217, and a channel for liquid to circulate is arranged between the supporting ribs 1217, and the channel is the lower water inlet of the second water inlet 1214; as shown in fig. 11, a check valve is provided at the upper water inlet. In this embodiment, when the liquid flow is large, the check valve is opened, the lowest water suction level and water inlet area of the second water inlet 1214 are large, and liquid smoothly enters the submersible pump 1 from the upper water inlet and the lower water inlet; when the liquid flow is smaller, the one-way valve is closed, the upper water inlet is closed, liquid enters the submersible pump 1 from the lower water inlet, the lowest water suction level and water inlet area of the second water inlet 1214 are reduced, the one-way valve has a one-way passing function on the gas-liquid mixture, liquid in the submersible pump 1 can be prevented from flowing back, a certain suction force can be effectively ensured in the submersible pump 1, and the submersible pump 1 can suck low-water-level liquid; according to the submersible pump 1, the arranged one-way valve can change the water inlet area of the second water inlet 1214 and the lowest water suction level height of the submersible pump 1 according to the flow rate and the flow velocity of liquid, so that the working efficiency of the submersible pump 1 is greatly improved.

Further, in this embodiment, the isolation plate 13 is disposed in the check valve, and one end of the isolation plate 13 is connected with a spring, so that the isolation plate 13 can be pushed open under the impact of the fluid, thereby opening the check valve, and the lowest water suction level height and water inlet area of the water inlet are increased, so that the fluid can flow from the second water inlet 1214 into the pump body in a large amount and rapidly; when the flow rate of the liquid is small, the isolation plate 13 is reset, the one-way valve is closed, the lowest water suction level height and water inlet area of the water inlet are reduced, and the external liquid flows into the submersible pump 1 from the lower water inlet of the second water inlet 1214.

The following is a procedure for using the submersible pump 1 according to an embodiment of the present utility model:

as shown in fig. 6, when the submersible pump 1 works, when the submersible pump 1 is in a high water level, external liquid flows into the submersible pump 1 under the action of suction force, the impact force of the external fluid is large, the isolation plate 13 is pushed to deform, the isolation plate 13 does not shield the water inlet or shields the water inlet less, the lowest suction water level of the water inlet is high, the water inlet area of the water inlet is large, and the external liquid can quickly and largely flow into the submersible pump 1 from the water inlet and then flow out from the water outlet 14 of the submersible pump 1;

when the external liquid is gradually pumped, the water level gradually decreases, and the impact force of the external liquid on the isolation plate 13 gradually decreases until almost no; when the impact of external liquid to the isolation plate 13 does not exist, the isolation plate 13 resets, the shielding area of the isolation plate 13 to the water inlet is maximum, the minimum water absorption level of the water inlet is reduced, the water inlet area of the water inlet is minimum, the isolation plate 13 has small ground clearance, the amount of gas-liquid mixture entering the pump body is reduced, the suction force of the submersible pump 1 can be ensured, and the submersible pump 1 can be ensured to be capable of pumping water with low water level completely.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (11)

1. The submersible pump is characterized by comprising a water absorption assembly (11) and a shell assembly (12), wherein the water absorption assembly (11) is arranged in the shell assembly (12), and a water inlet and a water outlet (14) are formed in the shell assembly (12);

wherein the submersible pump (1) further comprises a separation plate (13), the separation plate (13) is arranged on the shell assembly (12), and the separation plate (13) is used for shielding at least part of the water inlet;

the isolation plate (13) can be pushed by high-speed fluid to change the size of the water inlet area of the water inlet.

2. The submersible pump of claim 1, wherein the pump is configured to,

the isolation plate (13) is made of flexible materials, and the hardness of the isolation plate (13) is 10-120 degrees Shore;

one end of the isolation plate (13) is fixedly connected to the shell assembly (12).

3. The submersible pump of claim 2, wherein the pump is configured to,

-said housing assembly (12) being provided with a mounting slot (1211), said spacer (13) being at least partially located in said mounting slot (1211);

the isolation plate (13) comprises a mounting part (131) and an adjusting part (133), wherein the mounting part (131) is positioned in the mounting groove (1211), and the adjusting part (133) is used for shielding the water inlet;

the thickness of the adjustment portion (133) is smaller than the thickness of the mounting portion (131).

4. The submersible pump of claim 3, wherein the pump is configured to,

the isolation plate (13) is provided with a limit lug (132), and the mounting groove (1211) is provided with a limit hole (1212) matched with the limit lug (132).

5. The submersible pump of claim 4, wherein the pump is configured to,

the limit projection (132) protrudes toward the inside of the partition plate (13) and exceeds the mounting portion (131).

6. The submersible pump of claim 1, wherein the pump is configured to,

the isolation plate (13) is made of hard materials, and the isolation plate (13) is movably connected to the shell assembly (12).

7. The submersible pump according to any one of claims 1 to 6, wherein,

the shell assembly (12) comprises a base (121), wherein a first water inlet (1213) and a second water inlet (1214) are formed in the base (121);

at least two of the second water inlets (1214) are provided with supporting legs (1215) between the second water inlets (1214).

8. The submersible pump of claim 7, wherein the pump is configured to,

locking parts (1216) are arranged at two ends of the support legs (1215), and locking parts (134) matched with the locking parts (1216) are arranged at two ends of the isolation plate (13).

9. The submersible pump of claim 8, wherein the pump is configured to,

the locking portion (134) includes a locking groove (1341), and the locking portion (1216) includes a locking piece (12161) that mates with the locking groove (1341);

the thickness of the locking portion (134) is greater than the thickness of the mounting portion (131).

10. The submersible pump of claim 7, wherein the pump is configured to,

when the isolation plate (13) is reset, the distance between the bottom end of the isolation plate (13) and the bottom end of the base (121) is L1;

the distance between the first water inlet (1213) and the bottom end of the base (121) is L2;

wherein L2> L1>0.

11. The submersible pump is characterized by comprising a water absorption assembly (11) and a shell assembly (12), wherein the water absorption assembly (11) is arranged in the shell assembly (12), and a water inlet and a water outlet (14) are formed in the shell assembly (12);

the shell assembly (12) comprises a base (121), wherein a first water inlet (1213) and a second water inlet (1214) are formed in the base (121);

wherein, second water inlet (1214) department is equipped with the check valve.