Submersible pump with energy-saving and flow-increasing functions

By protecting the submersible pump with limit protection and buffer structure, the problems of bottom contact damage and sludge blockage are solved, achieving energy-saving and flow-increasing effects and improving the performance of the submersible pump.

CN223908411UActive Publication Date: 2026-02-13TAIZHOU LONGDA SUBMERSIBLE PUMP CO LTD
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Patent Information

Application Number
CN202520722143.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-13
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

Existing submersible pumps are prone to bottoming out and damage during use, with silt or foreign objects clogging the impeller, leading to increased resistance, reduced flow, and increased energy consumption, and they lack anti-collision protection.

Method used

The pump is designed with a limit spring, a limit rod, and a protective sleeve to prevent damage from contact with the wall. The filter screen prevents sludge from entering. The buffer rod and buffer spring absorb the impact force and ensure that there is enough space between the pump body and the bottom.

Benefits of technology

It effectively prevents pump body damage, avoids sludge blockage, improves smoothness and operating efficiency, reduces energy consumption, and enhances the service life and efficiency of submersible pumps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a submersible pump with energy-saving and flow-increasing functions, which relates to the technical field of submersible pumps and comprises a pump body, a limit spring is mounted on the inner wall of the pump body, a limit ejector rod is mounted on the outer wall of the limit spring, a protective sleeve is mounted on the outer wall of the pump body, and a base is mounted at the bottom of the pump body. A clamping groove is formed in the inner wall of the base, and a filter screen is installed on the inner wall of the clamping groove. By means of the clamping blocks, the buffer rods, the buffer springs and the buffer bottom plate, the pump body is likely to make contact with the bottom in the lower installation process, an impeller at the bottom of the pump body is impacted and damaged, the buffer bottom plate buffers and absorbs impact force generated when the pump body makes contact with the bottom through elastic deformation of the buffer springs, the impeller at the bottom of the pump body is prevented from being damaged, and the service life of the pump body is prolonged. Meanwhile, through the supporting effect of the buffer rod, the buffer spring and the buffer bottom plate, a large space is reserved between the pump body and the well bottom or the river bottom, water flow can enter conveniently, and the running efficiency of the submersible pump is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to submersible pump technical field, concretely is a submersible pump with energy -conserving flow -increasing. BACKGROUND

[0002] The submersible pump is a kind of pump designed to work completely immersed in water, suitable for pumping water from well, underground, lake or river, also often used in sewage discharge system, but the existing submersible pump is prone to bottom in well, underground, lake or river when using, cause impeller damage, and silt can enter into fan leaf and cause blockage, affect the use performance of submersible pump, and submersible pump can collide with side wall during lowering, cause pump body damage, affect normal use, to solve the above problems, therefore need a kind of submersible pump with energy -conserving flow -increasing.

[0003] The existing submersible pump is prone to bottom when operating, which causes silt or other foreign matters to enter the impeller, resulting in blockage, increased resistance, reduced flow, increased energy consumption, inability to protect the side wall of the submersible pump from collision, and inability to protect the bottom of the submersible pump from buffer protection. SUMMARY

[0004] Therefore, the utility model discloses a kind of submersible pumps with energy -conserving flow -increasing, to solve the existing submersible pump when using, silt or other foreign matters enter the impeller, cause blockage, thereby increase resistance, reduce flow, increase energy consumption, unable to protect the side wall of the submersible pump from collision, unable to protect the bottom of the submersible pump from buffer protection Problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of submersible pump with energy -conserving flow -increasing, including pump body, the inner wall of pump body is installed with limit spring, the outer wall of limit spring is installed with limit jack, the outer wall of pump body is installed with protective sleeve.

[0006] The bottom of the pump body is installed with a base, a clamping groove is formed in the inner wall of the base, a filter screen is installed in the inner wall of the clamping groove, and a fixed shaft penetrates the inside of the filter screen.

[0007] The outer wall of the base is installed with a clamping block, a buffer rod is installed in the inner wall of the clamping block, a buffer spring is installed on the outer wall of the buffer rod, and a buffer bottom plate is installed at the bottom of the buffer rod.

[0008] Preferably, the limit jack is connected to the pump body through the limit spring, and the limit jack is symmetrically arranged around the central axis of the pump body.

[0009] Preferably, the protective sleeve is connected to the pump body, and the protective sleeve is connected to the limit jack.

[0010] Preferably, the base is connected with the pump body flange, and the clamping grooves are arranged in a ring array with the center axis of the base.

[0011] Preferably, the filter screen is inserted with the clamping groove, and the fixed shaft is screwed with the base through the inside of the filter screen.

[0012] Preferably, the buffer bottom plate is connected with the buffer rod through the buffer spring in a telescopic structure, and the buffer rod is movably connected with the clamping block.

[0013] Preferably, the buffer rod is arranged in a ring array with the center axis of the base, and the buffer bottom plate is arranged in a circular ring shape.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a pump body protection device, which comprises a pump body, a protective sleeve, a limiting spring and a limiting ejector rod.

[0016] 2. The utility model discloses a pump body protection device, which comprises a pump body, a protective sleeve, a limiting spring and a limiting ejector rod.

[0017] 3. The utility model discloses a pump body protection device, which comprises a pump body, a protective sleeve, a limiting spring and a limiting ejector rod. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model's front appearance;

[0019] Figure 2 It is the structure schematic diagram of the utility model's pump body inside section;

[0020] Figure 3 It is the structure schematic diagram of the utility model's pump body inside section; Figure 2An enlarged structural schematic view of the middle A part;

[0021] Figure 4 A structural schematic view of the filter screen peripheral assembly split display of the utility model;

[0022] Figure 5 A structural schematic view of the buffer rod peripheral assembly split display of the utility model.

[0023] In the figure: 1, pump body; 2, limiting spring; 3, limiting ejector rod; 4, protective sleeve; 5, base; 6, clamping groove; 7, filter screen; 8, fixed shaft; 9, clamping block; 10, buffer rod; 11, buffer spring; 12, buffer bottom plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.

[0025] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0026] Please refer to Figures 1-5 A submersible pump with energy-saving flow-increasing, comprising a pump body 1, a limiting spring 2 is installed on the inner wall of the pump body 1, a limiting ejector rod 3 is installed on the outer wall of the limiting spring 2, a protective sleeve 4 is installed on the outer wall of the pump body 1, the limiting ejector rod 3 and the pump body 1 constitute an extension structure through the limiting spring 2, and the limiting ejector rod 3 is symmetrically arranged with the central axis of the pump body 1 as the center, the protective sleeve 4 is sleeved with the pump body 1, and the protective sleeve 4 is connected with the limiting ejector rod 3 in clamping, the limiting ejector rod 3 is pressed inward through the limiting spring 2, protective sleeve 4 and pump body 1 are then sleeved, at this time, the limiting ejector rod 3 is pushed out through the elastic force of the limiting spring 2, so that the limiting ejector rod 3 is clamped and fixed with the protective sleeve 4, and the setting of the protective sleeve 4 avoids the damage of the pump body 1 caused by touching the wall during the lowering process.

[0027] Please refer to Figures 1-5The utility model provides an energy -conserving flow -increasing submersible pump, the bottom of pump body 1 is equipped with base 5, the inner wall of base 5 is equipped with clamping groove 6, the inner wall of clamping groove 6 is equipped with filter screen 7, fixed shaft 8 penetrates the inside of filter screen 7, base 5 is connected with the flange of pump body 1, clamping groove 6 is arranged in ring array with the center axis of base 5 as the center, filter screen 7 is inserted with clamping groove 6, and fixed shaft 8 penetrates the inside of filter screen 7 and is connected with base 5 by screw thread, through the base 5, clamping groove 6, filter screen 7 and fixed shaft 8 arranged, the flange connection of base 5 and pump body 1 bottom is formed, then filter screen 7 is inserted into clamping groove 6, and filter screen 7 is fixed by screw thread through fixed shaft 8, and the setting of filter screen 7 can avoid the silt or other solid foreign matters into pump body 1 and block, so as to cause the problems, such as the increase of impeller resistance, the reduction of flow and the increase of energy consumption, and filter screen 7 is convenient to disassemble and assemble, and the flow smoothness of impeller operation is improved, so as to achieve the effect of energy saving and flow increasing.

[0028] Please refer to Figures 1-5 The utility model provides an energy -conserving flow -increasing submersible pump, the outer wall of base 5 is equipped with clamping block 9, the inner wall of clamping block 9 is equipped with buffer rod 10, the outer wall of buffer rod 10 is equipped with buffer spring 11, the bottom of buffer rod 10 is equipped with buffer bottom plate 12, buffer bottom plate 12 forms telescopic structure with buffer rod 10 through buffer spring 11, and buffer rod 10 is movably connected with clamping block 9, buffer rod 10 is arranged in ring array with the center axis of base 5 as the center, buffer bottom plate 12 is arranged in the shape of circular ring, through the base 5, clamping block 9, buffer rod 10, buffer spring 11 and buffer bottom plate 12 arranged, pump body 1 may hit the bottom during installation, cause the bottom impeller of pump body 1 to hit and damage, and the impact force when pump body 1 hits the bottom is buffered and absorbed by the elastic deformation of buffer spring 11 of buffer bottom plate 12, avoid the damage of the bottom impeller of pump body 1, and the support of buffer rod 10, buffer spring 11 and buffer bottom plate 12 makes pump body 1 and well bottom or river bottom have larger space, facilitate the water flow to enter, improve the operation efficiency of submersible pump.

[0029] Working principle: in use, first of all, the device is moved to the required position, the limiting top rod 3 is pressed inward, then the protective sleeve 4 is sleeved with the pump body 1, at this time the limiting top rod 3 is pushed out by the elastic force of the limiting spring 2, the limiting top rod 3 is clamped and fixed with the protective sleeve 4, and the protective sleeve 4 is arranged to avoid the damage of the pump body 1 caused by touching the wall during the lowering process, then the pipeline is connected with the top flange of the pump body 1, then the base 5 is flange connected with the bottom of the pump body 1, then the filter screen 7 is inserted into the clamping groove 6, and the filter screen 7 is screwed and fixed through the fixing shaft 8, the setting of the filter screen 7 can avoid the problem that the silt or other solid foreign matters enter into the pump body 1 to block, thereby increasing the resistance of the impeller, reducing the flow and increasing the energy consumption, and the filter screen 7 is convenient to disassemble and assemble, convenient and fast cleaning, improving the smoothness of the impeller operation, thereby achieving the effect of energy saving and flow increasing, finally, the pump body 1 may touch the bottom during the installation process, causing the impeller at the bottom of the pump body 1 to be damaged, the buffer bottom plate 12 deforms by the elastic force of the buffer spring 11, buffers and absorbs the impact force generated when the pump body 1 touches the bottom, avoids the damage of the impeller at the bottom of the pump body 1, and at the same time, the pump body 1 leaves a larger space with the bottom of the well or the river bottom through the supporting action of the buffer rod 10, the buffer spring 11 and the buffer bottom plate 12, facilitating the water flow to enter and improving the operation efficiency of the submersible pump, so that the use process of the device is completed, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A submersible pump with energy saving flow augmentation comprising a pump body (1) characterised in that: The inner wall of the pump body (1) is provided with a limiting spring (2), the outer wall of the limiting spring (2) is provided with a limiting jack (3), and the outer wall of the pump body (1) is provided with a protective sleeve (4); The bottom of the pump body (1) is provided with a base (5), the inner wall of the base (5) is provided with a clamping groove (6), the inner wall of the clamping groove (6) is provided with a filter screen (7), and a fixed shaft (8) penetrates the inside of the filter screen (7); The outer wall of the base (5) is provided with a clamping block (9), the inner wall of the clamping block (9) is provided with a buffer rod (10), the outer wall of the buffer rod (10) is provided with a buffer spring (11), and the bottom of the buffer rod (10) is provided with a buffer bottom plate (12).

2. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The limiting jack (3) and the pump body (1) constitute a telescopic structure through the limiting spring (2), and the limiting jack (3) is centrally symmetrically arranged about the central axis of the pump body (1).

3. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The protective sleeve (4) is sleeved with the pump body (1), and the protective sleeve (4) is connected with the limiting jack (3).

4. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The base (5) is flange-connected with the pump body (1), and the clamping grooves (6) are arranged in an annular array about the central axis of the base (5).

5. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The filter screen (7) is inserted into the clamping groove (6), and the fixed shaft (8) penetrates the inside of the filter screen (7) and is screw-connected with the base (5).

6. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The buffer bottom plate (12) and the buffer rod (10) constitute a telescopic structure through the buffer spring (11), and the buffer rod (10) is movably connected with the clamping block (9).

7. A submersible pump with energy saving flow augmentation as claimed in claim 1 wherein: The buffer rod (10) is arranged in an annular array about the central axis of the base (5), and the buffer bottom plate (12) is arranged in a circular ring shape.