Protective submersible pump

By designing protective mechanisms and baffle structures for submersible pumps, the problem of damage to submersible pumps when diving into narrow channels or on uneven bottoms has been solved, achieving protection and shock absorption of the pump body and improving diving speed.

CN223536570UActive Publication Date: 2025-11-11NINGBO FENGSHENG ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202422974669.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-11-11
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Submersible pumps are prone to damage when submerged in narrow channels or environments with uneven bottoms, especially on the surface and bottom of the pump body, which may cause internal parts to loosen.

Method used

A protective submersible pump was designed, including a first protective mechanism and a second protective mechanism. The first protective mechanism protects the pump body in the length direction through a base and an elastically connected mounting sleeve. The second protective mechanism protects the pump body in the circumferential direction through a protective baffle. Combined with a limiting pad and spring shock absorption, a water guide channel improves the diving speed.

Benefits of technology

It effectively protects the pump body from damage, reduces the impact of vibration on internal parts, and improves the submersion speed and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The protection type submersible pump comprises a pump body, a first protection mechanism and a second protection mechanism, the first protection mechanism comprises a base, a mounting sleeve, a guide rod and a first spring, the base, the mounting sleeve and the pump body are coaxially arranged, the pump body is sleeved with the mounting sleeve, a through hole is formed in the mounting sleeve in the length direction of the pump body, and the guide rod is connected to the base; the first protection mechanism is arranged on the base and penetrates through the through hole, the first spring is connected to the base, the pump body is elastically connected to the first spring in the length direction of the pump body, and the second protection mechanism is arranged on the mounting sleeve and protrudes relative to the outer wall of the mounting sleeve. The first protection mechanism is arranged to protect the pump body in the length direction of the pump body, the base replaces the pump body to impact a hard object at the bottom of the environment, the bottom of the pump body is protected against damage, and the second protection mechanism is arranged to protect the pump body in the circumferential direction of the pump body. The second protection mechanism replaces the pump body to collide with a hard object on the side wall of the environment, and therefore the pump body is protected against damage.
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Description

Technical Field

[0001] This application relates to the field of submersible pump technology, and in particular to a protective submersible pump. Background Technology

[0002] Submersible pumps are commonly used water lifting devices. They are typically used in environments such as deep wells, rivers, reservoirs, and canals, where the environment is narrow, such as a deep well. During descent, the submersible pump may shake, and the pump body may collide with the well wall, causing damage to the pump body surface. If the bottom of the environment is uneven, the bottom of the pump body may hit hard objects at the bottom of the environment, causing damage to the bottom of the pump body. It may also cause internal parts of the submersible pump to loosen, thus damaging the submersible pump. Utility Model Content

[0003] This application provides a protective submersible pump with better protection.

[0004] The protective submersible pump provided in this application adopts the following technical solution:

[0005] This application discloses a protective submersible pump, comprising a pump body, a first protective mechanism, and a second protective mechanism. The first protective mechanism includes a base, a mounting sleeve, a guide rod, and a first spring. The base, the mounting sleeve, and the pump body are coaxially arranged. The mounting sleeve is fitted onto the pump body and has a through hole along the length of the pump body. The guide rod is connected to the base and passes through the through hole. The first spring is connected to the base, and the pump body is elastically connected to the first spring along its length. The second protective mechanism is disposed on the mounting sleeve and protrudes relative to the outer wall of the mounting sleeve.

[0006] Preferably, the guide rod is provided with a first limiting pad and a second limiting pad, the first limiting pad being located at the end of the guide rod away from the base, and the second limiting pad being located between the first limiting pad and the base.

[0007] Preferably, the second protective mechanism includes a plurality of protective baffles, which are evenly arranged around the outer wall of the mounting sleeve.

[0008] Preferably, the protective baffle is an arched structure, which includes two arch legs and an arch top. The two arch legs are arranged side by side along the length of the guide rod on the outer wall of the mounting sleeve, and the arch top is provided with a wear-resistant particle layer on the side facing away from the mounting sleeve.

[0009] Preferably, the outer wall of the mounting sleeve has a groove corresponding to the arch foot, a second spring is provided in the groove, and the arch foot is elastically connected to the second spring along the depth direction of the groove.

[0010] Preferably, the outer wall of the mounting sleeve is provided with a plurality of water guiding grooves along the length direction of the guide rod, and the water guiding grooves penetrate the mounting sleeve along the length direction of the guide rod.

[0011] Preferably, a shock-absorbing pad is connected between the mounting sleeve and the pump body.

[0012] In summary, this application includes at least one of the following beneficial technical effects:

[0013] 1. This application provides a first protective mechanism to protect the pump body along its length, with the base impacting a hard object on the bottom of the environment instead of the pump body, thus protecting the bottom of the pump body from damage. A second protective mechanism is provided to protect the pump body in the circumferential direction, with the second protective mechanism impacting a hard object on the side wall of the environment instead of the pump body, thereby protecting the pump body from damage.

[0014] 2. By setting a first limiting pad and a second limiting pad, the relative movement between the mounting sleeve and the base plate is restricted, preventing the first spring from being damaged due to excessive stretching or compression. By setting the first limiting pad as a first rubber limiting pad and the second limiting pad as a second rubber limiting pad, the mounting sleeve is less likely to be damaged by impact when it comes into contact with the first rubber limiting pad or the second rubber limiting pad, and it also has a shock absorption effect.

[0015] 3. By setting up a guide channel, the liquid flows along the guide channel during the descent, which increases the descent speed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of this application.

[0017] Figure 2 This is a cross-sectional view of a preferred embodiment of this application.

[0018] Explanation of reference numerals in the attached drawings: 1. Pump body; 2. First protective mechanism; 21. Base; 22. Mounting sleeve; 221. Through hole; 222. Groove; 223. Water guide channel; 23. Guide rod; 24. First spring; 25. First limiting pad; 26. Second limiting pad; 3. Second protective mechanism; 31. Protective baffle; 311. Arch foot; 312. Arch top; 32. Wear-resistant particle layer; 4. Second spring; 5. Shock-absorbing pad. Detailed Implementation

[0019] The present application will be further described in detail below with reference to the accompanying drawings.

[0020] This application provides a protective submersible pump, such as Figure 1 and Figure 2As shown, the system includes a pump body 1, a first protective mechanism 2, and a second protective mechanism 3. The first protective mechanism 2 includes a base 21, a mounting sleeve 22, a guide rod 23, and a first spring 24. The base 21, the mounting sleeve 22, and the pump body 1 are coaxially arranged. The guide rod 23 passes through the base 21 and the mounting sleeve 22. The first spring 24 is connected to the base 21. The pump body 1 is fixed in the mounting sleeve 22 and elastically connected to the first spring 24 along the length of the guide rod 23. The second protective mechanism 3 is disposed on the mounting sleeve 22 and protrudes relative to the outer wall of the mounting sleeve 22.

[0021] In the use of a protective submersible pump according to this application, the first protective mechanism 2 is used to protect the pump body 1 along its length, and the second protective mechanism 3 is disposed outside the pump body 1 to protect the pump body 1 in the circumferential direction. Specifically, when the protective submersible pump shakes during descent, the second protective mechanism 3 replaces the pump body 1 in impacting the hard object on the side wall of the environment, thereby protecting the pump body 1 from damage. When it descends to the bottom of the environment, the base 21 replaces the pump body 1 in impacting the hard object at the bottom of the environment, protecting the bottom of the pump body 1 from damage. The base 21 compresses the first spring 24 and moves along the length of the pump body 1. The vibration generated by the impact is reduced by the first spring 24, which reduces the vibration experienced by the pump body 1 and makes the components inside the pump body 1 less likely to loosen due to vibration.

[0022] The guide rod 23 is provided with a first limiting pad 25 and a second limiting pad 26. The first limiting pad 25 is located at the end of the guide rod 23 away from the base 21, and the second limiting pad 26 is located between the first limiting pad 25 and the base 21. The first limiting pad 25 is specifically a first rubber limiting pad, and the second limiting pad 26 is a second rubber limiting pad. In the natural state, the first spring 24 supports the pump body 1, and the mounting sleeve 22 abuts against the first limiting pad 25. When the base 21 impacts a hard object at the bottom of the environment, the base plate compresses the first spring 24, causing the base plate and the guide rod 23 to... 3. Move the mounting sleeve 22 upwards until the second limiting pad 26 abuts against the mounting sleeve 22. In this way, by setting the first limiting pad 25 and the second limiting pad 26, the relative movement between the mounting sleeve 22 and the base plate is restricted, preventing the first spring 24 from being damaged due to excessive stretching or compression. By setting the first limiting pad 25 as the first rubber limiting pad and the second limiting pad 26 as the second rubber limiting pad, the mounting sleeve 22 is not easily damaged by impact when it abuts against the first rubber limiting pad or the second rubber limiting pad, and at the same time, it also has a shock absorption effect.

[0023] The second protective mechanism 3 includes multiple protective baffles 31, which are evenly arranged around the outer wall of the mounting sleeve 22. Specifically, there are four protective baffles 31, which are spaced 90° apart on the outer wall of the mounting sleeve 22. They are used to replace the pump body 1 in collisions with hard objects on the side wall of the environment from multiple directions, thus protecting the pump body 1.

[0024] The protective baffle 31 has an arched structure, which includes two arch feet 311 and an arch 312. The two arch feet 311 are arranged side by side along the length of the guide rod 23 on the outer wall of the mounting sleeve 22. The arch 312 has a wear-resistant particle layer 32 on the side facing away from the mounting sleeve 22. The wear-resistant particle layer 32 is used to contact hard objects on the environmental sidewall, which increases the service life of the protective baffle 31. By setting the two arch feet 311 side by side along the length of the guide rod 23 on the outer wall of the mounting sleeve 22, and according to the characteristics of the arched structure, the arch 312 is an arc-shaped structure. The arc-shaped structure extends along the length of the pump body 1, so that the arc-shaped structure contacts hard objects on the environmental sidewall during the movement of the arch 312 along the length of the pump body 1. The arc-shaped structure guides the movement of the protective submersible pump more easily.

[0025] The outer wall of the mounting sleeve 22 has a groove 222 corresponding to the arch foot 311. A second spring 4 is installed in the groove 222. The arch foot 311 is elastically connected to the second spring 4 along the depth direction of the groove 222. Specifically, the number of grooves 222 is the same as the number of arch feet 311. Two adjacent grooves 222 are arranged side by side along the length direction of the pump body 1. The second spring 4 is fixed to the bottom of the groove 222, and the length of the second spring 4 is less than the depth of the groove 222. In this way, by setting the arch foot 311 to be elastically connected to the second spring 4, a shock absorption effect is achieved. When the protective baffle 31 hits a hard object on the side wall of the environment, the protective baffle 31 is compressed by the force of the second spring 4. The vibration generated by the impact is reduced by the second spring 4, thereby reducing the vibration received by the pump body 1 and protecting the pump body 1 from loosening of internal parts due to vibration.

[0026] Multiple water guide grooves 223 are provided on the outer wall of the mounting sleeve 22 along the length of the guide rod 23. The water guide grooves 223 pass through the mounting sleeve 22 along the length of the guide rod 23. Thus, during the descent of the protective submersible pump of this application, the liquid flows along the water guide grooves 223, which increases the descent speed.

[0027] A shock-absorbing pad 5 is connected between the mounting sleeve 22 and the pump body 1. When the protective baffle 31 hits a hard object on the side wall of the environment, the resulting vibration is reduced by the shock-absorbing pad 5, thus protecting the pump body 1.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A protective submersible pump, characterized in that: The system includes a pump body (1), a first protective mechanism (2), and a second protective mechanism (3). The first protective mechanism (2) includes a base (21), a mounting sleeve (22), a guide rod (23), and a first spring (24). The base (21), the mounting sleeve (22), and the pump body (1) are coaxially arranged. The mounting sleeve (22) is fitted onto the pump body (1) and has a through hole (221) along the length of the pump body (1). The guide rod (23) is connected to the base (21) and passes through the through hole (221). The first spring (24) is connected to the base (21). The pump body (1) is elastically connected to the first spring (24) along its length. The second protective mechanism (3) is arranged on the mounting sleeve (22) and protrudes relative to the outer wall of the mounting sleeve (22).

2. The protective submersible pump according to claim 1, characterized in that: The guide rod (23) is provided with a first limiting pad (25) and a second limiting pad (26). The first limiting pad (25) is located at the end of the guide rod (23) away from the base (21), and the second limiting pad (26) is located between the first limiting pad (25) and the base (21).

3. A protective submersible pump according to claim 1, characterized in that: The second protective mechanism (3) includes a plurality of protective baffles (31), which are evenly arranged around the outer wall of the mounting sleeve (22).

4. A protective submersible pump according to claim 3, characterized in that: The protective baffle (31) has an arched structure, which includes two arch feet (311) and an arch top (312). The two arch feet (311) are arranged side by side along the length of the guide rod (23) on the outer wall of the mounting sleeve (22). The arch top (312) has a wear-resistant particle layer (32) on the side facing away from the mounting sleeve (22).

5. A protective submersible pump according to claim 4, characterized in that: The outer wall of the mounting sleeve (22) is provided with a groove (222) corresponding to the arch foot (311). A second spring (4) is provided in the groove (222). The arch foot (311) is elastically connected to the second spring (4) along the depth direction of the groove (222).

6. A protective submersible pump according to claim 1, characterized in that: The outer wall of the mounting sleeve (22) is provided with a plurality of water guide grooves (223) along the length direction of the guide rod (23), and the water guide grooves (223) penetrate the mounting sleeve (22) along the length direction of the guide rod (23).

7. A protective submersible pump according to claim 1, characterized in that: A shock-absorbing pad (5) is connected between the mounting sleeve (22) and the pump body (1).