CN222558792U

CN222558792U - Submersible pump with double impeller structure

Info

Publication number: CN222558792U
Application number: CN202421417302.4U
Authority: CN
Inventors: 常磊; 冒林林; 孟凡有; 潘毅; 王莉
Original assignee: Yatai Pump Valve Co ltd
Current assignee: Yatai Pump Valve Co ltd
Priority date: 2024-06-20
Filing date: 2024-06-20
Publication date: 2025-03-04
Anticipated expiration: 2034-06-20

Abstract

The utility model belongs to the technical field of submersible pumps, and particularly relates to a submersible pump with a double-impeller structure, which comprises a double-leaf submersible pump, a base and a water outlet pipe, wherein a water inlet device is arranged on the right side of the double-leaf submersible pump, the water inlet device comprises an anti-blocking unit, a slag discharging unit and a mounting unit, the anti-blocking unit is arranged on the right side of the double-leaf submersible pump, the slag discharging unit is arranged on the right side of the double-leaf submersible pump, and the mounting unit is arranged on the side surface of the anti-blocking unit. This bilobed pump of bilobed wheel structure filters the impurity in water through setting up anti-blocking unit to avoid the impurity in water to bump in bilobed pump's impeller and cause the damage to the impeller, avoid impurity to pile up in the outlet pipe simultaneously, cause the jam to the outlet pipe, generate heat when leading to bilobed pump operation, cause the damage to bilobed pump, the impurity in water that has solved among the background art and proposed in the use can cause the jam to the delivery port, and the immersible pump continues to work this moment, leads to the immersible pump to generate heat, causes the damage problem to the immersible pump.

Description

Submersible pump with double impeller structure

Technical Field

The utility model relates to the technical field of submersible pumps, in particular to a submersible pump with a double-impeller structure.

Background

The submerged pump is an important device for deep well water lifting, and when in use, the whole unit is submerged to work, and the submerged pump is used for extracting underground water to the ground surface, and can be used for domestic water, mine rescue, industrial cooling, farm irrigation, seawater lifting and ship load adjustment, and also can be used for fountain landscapes. The submerged pump is a single-suction multistage vertical centrifugal pump, namely, the pump shaft is provided with two or more impellers, the total lift of the pump is the sum of the lifts generated by n impellers, and the single-side water inlet type pump is also called a single-suction pump, namely, the impeller is provided with only one water inlet.

The impeller is a core component of the submersible pump, is a main influencing factor of working efficiency, and can generate hydraulic loss and clearance loss at the pump inlet and the blades if the impeller is not well designed under a specific working condition, so that the working efficiency of the submersible pump is reduced. The existing submersible pump impeller generally has the energy loss in operation, reduces the lift and flow of the water pump, reduces the working efficiency, has low fixing strength between the impeller cover and the impeller body, and shortens the service life of the impeller.

The impeller structure of the submersible pump disclosed in the Chinese patent CN211314574U can guide water flow to enter the impeller and be discharged through the water outlet by arranging the guide shell, the guide cover, the guide strip and the boss, and can increase water pressure and improve working efficiency, and 2, by arranging the limiting holes and the limiting blocks, the impeller structure of the submersible pump is ensured to be stable, the possibility of vibration and long-term loosening of the centrifugal pump during working is avoided, and the service life of the impeller is prolonged.

But the impurity in the device in the use can cause the jam to the delivery port, and the immersible pump continues to work this moment, leads to the immersible pump to generate heat, causes the damage to the immersible pump.

Therefore, there is a need for a submersible pump with a double impeller structure.

Disclosure of utility model

The utility model aims to provide a submersible pump with a double-impeller structure, so as to solve the problems that impurities in water can cause blockage of a water outlet in the using process, and the submersible pump continues to work at the moment, so that the submersible pump heats and is damaged.

In order to achieve the purpose, the submersible pump with the double-impeller structure comprises a double-impeller submersible pump, a base, a water outlet pipe, a first impeller and a second impeller, wherein the base is fixedly arranged at the bottom of the double-impeller submersible pump, the water outlet pipe is connected to the top of the double-impeller submersible pump, a submersible motor is arranged at the left side inside the double-impeller submersible pump, a water pump shaft is fixedly arranged at the output end of the submersible motor, the first impeller is fixedly arranged at the outer side of the water pump shaft, the second impeller is fixedly arranged at the outer side of the water pump shaft and is positioned at the right side of the first impeller, and a water inlet device is arranged at the right side of the double-impeller submersible pump.

The water inlet device comprises an anti-blocking unit, a slag discharging unit and a mounting unit, wherein the anti-blocking unit is arranged on the right side of the double-leaf submersible pump, the slag discharging unit is arranged on the right side of the double-leaf submersible pump, and the mounting unit is arranged on the side face of the anti-blocking unit.

The anti-blocking unit comprises a first shell, a second shell, a water inlet pipe, a filter screen, a fixing frame, a motor, a connecting rod and a scraping plate, wherein the first shell is fixedly installed on the right side of the double-leaf submersible pump, the second shell is installed on the right side of the first shell, the water inlet pipe is connected to the right side of the second shell, the filter screen is installed inside the first shell, the fixing frame is fixedly installed inside the first shell and is located on the left side of the filter screen, the motor is fixedly installed at one end of the fixing frame, the connecting rod is fixedly installed at the output end of the motor, and the scraping plate is fixedly installed on the outer surface of the connecting rod.

Preferably, the slag discharging unit comprises a slag discharging port, a sealing plug and a handle, wherein the slag discharging port is fixedly arranged at the bottom of the second shell, the sealing plug is arranged inside the slag discharging port, and the handle is fixedly arranged at one side, far away from the slag discharging port, of the sealing plug.

Preferably, the installation unit comprises a first connecting block, a second connecting block, bolts and nuts, wherein the first connecting block is fixedly installed at the front end and the rear end of the first shell, the second connecting block is fixedly installed at the front end and the rear end of the second shell, the bolts penetrate through the first connecting block and the second connecting block, and the nuts are in threaded connection with the outer surfaces of the bolts.

Preferably, the connecting rod runs through the inside of the filter screen and extends to the right side of the filter screen, and the connecting rod is rotationally connected with the filter screen through a bearing, so that the filter screen is prevented from blocking the rotation of the connecting rod.

Preferably, one side of the scraping plate is contacted with the surface of the filter screen, and impurities on the surface of the filter screen are scraped off by the rotation of the scraping plate, so that the filter screen is prevented from being blocked.

Preferably, the first connecting block and the second connecting block are internally provided with connecting holes, the bolts penetrate through the two connecting holes to be connected with nuts, and the first shell and the second shell are convenient to connect and detach through the bolts.

Preferably, the slag discharging opening is inclined downwards, so that the impurities which are convenient to scrape are discharged from the slag discharging opening.

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

1. This bilobed wheel structure's immersible pump through setting up anti-blocking unit, starts the immersible motor and drives the water pump shaft rotation, makes first impeller and second impeller synchronous rotation, makes water get into bilobed pump inside through first impeller and second impeller pressure boost back by the outlet pipe blowout by the inlet tube, when water gets into bilobed pump, filter the impurity in water through the filter screen, thereby avoid impurity in the water to bump in bilobed pump's impeller and cause the damage to the impeller, avoid impurity to pile up in the outlet pipe simultaneously, cause the jam to the outlet pipe, generate heat when leading to bilobed pump operation, cause the damage to bilobed pump, the impurity in the water that has proposed in the background art can cause the jam to the delivery port, the immersible pump continues to work this moment, lead to the immersible pump to heat, cause the damage problem to the immersible pump.

2. According to the submersible pump with the double-impeller structure, the slag discharging unit is arranged, impurities in filtered water are accumulated in the slag discharging port, and the sealing plug is pulled out by pulling the handle, so that the impurities are discharged from the slag discharging port conveniently, and the cleaning is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a split view of the joint of the anti-blocking unit and the slag discharging unit of the present utility model;

FIG. 4 is a split view of the structure of the anti-blocking unit of the present utility model;

FIG. 5 is a schematic view of the junction between the first impeller and the second impeller in the dual-vane submersible pump of the utility model.

The device comprises a submersible pump with two blades, a base, a water outlet pipe, a first shell, a second shell, a water inlet pipe, a filter screen, a fixing frame, a motor, a 407, a connecting rod, a 408, a scraper, a slag outlet, a 502, a sealing plug, a 503, a handle, a 601, a first connecting block, a 602, a second connecting block, a 603, a bolt, a 604, a nut, a 7, a first impeller, a 8 and a second impeller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

Examples

The utility model provides a bilobed wheel structure's immersible pump, including bilobed pump 1, base 2, outlet pipe 3, first impeller 7 and second impeller 8, base 2 fixed mounting is in bilobed pump 1 bottom, outlet pipe 3 is connected in bilobed pump 1 top, submersible motor is installed in bilobed pump 1 inside left side, submersible motor's output fixed mounting has the water pump shaft, first impeller 7 fixed mounting is in the water pump shaft outside, second impeller 8 fixed mounting is located first impeller 7 right side in the water pump shaft outside, bilobed pump 1 right side is provided with water installations.

The water inlet device comprises an anti-blocking unit, a slag discharging unit and a mounting unit, wherein the anti-blocking unit is arranged on the right side of the double-leaf submersible pump 1, the slag discharging unit is arranged on the right side of the double-leaf submersible pump 1, and the mounting unit is arranged on the side face of the anti-blocking unit.

The anti-blocking unit comprises a first shell 401, a second shell 402, a water inlet pipe 403, a filter screen 404, a fixing frame 405, a motor 406, a connecting rod 407 and a scraping plate 408, wherein the first shell 401 is fixedly installed on the right side of the double-leaf submersible pump 1, the second shell 402 is installed on the right side of the first shell 401, the water inlet pipe 403 is connected on the right side of the second shell 402, the filter screen 404 is installed inside the first shell 401, impurities in water are filtered through the filter screen 404, the fixing frame 405 is fixedly installed inside the first shell 401 and is positioned on the left side of the filter screen 404, the motor 406 is fixedly left and right through the fixing frame 405, the motor 406 is fixedly installed at one end of the fixing frame 405, the connecting rod 407 is fixedly installed at the output end of the motor 406, the connecting rod 407 penetrates through the inside the filter screen 404 and extends to the right side of the filter screen 404, the connecting rod 407 is connected with the filter screen 404 through a bearing in a rotating mode, the rotation obstruction of the filter screen 404 to the connecting rod 407 is avoided, one side of the scraping plate 408 is fixedly installed on the outer surface of the connecting rod 407, the scraping plate 408 is contacted with the surface of the filter screen 404, the impurities on the surface of the filter screen 404 are scraped through the rotation of the scraping plate 408.

The installation unit includes first connecting block 601, second connecting block 602, bolt 603 and nut 604, both ends around first connecting block 601 fixed mounting is in first casing 401, the connecting hole has been seted up to first connecting block 601 and the inside of second connecting block 602, bolt 603 runs through two connecting holes and is connected with nut 604, be convenient for the connection and the dismantlement of first casing 401 and second casing 402 through bolt 603, both ends around second casing 402 are fixed mounting to second connecting block 602, bolt 603 runs through inside first connecting block 601 and the second connecting block 602, nut 604 threaded connection is in the bolt 603 surface.

Examples

On the basis of the first embodiment, the slag discharging unit comprises a slag discharging port 501, a sealing plug 502 and a handle 503, wherein the slag discharging port 501 is fixedly arranged at the bottom of the second shell 402, the slag discharging port 501 is inclined downwards, impurities which are convenient to scrape are discharged from the slag discharging port 501, the sealing plug 502 is arranged in the slag discharging port 501, and the handle 503 is fixedly arranged at one side of the sealing plug 502 away from the slag discharging port 501.

When using, start the bi-leaf immersible pump 1 with liquid by inlet tube 403 suction through outlet pipe 3 outflow, filter the impurity in the inside liquid through filter screen 404 when liquid inflow bi-leaf immersible pump 1 is interior, start motor 406 drive connecting rod 407 simultaneously and rotate, make scraper blade 408 rotate, strike off the impurity that will attach on filter screen 404 surface, avoid filter screen 404 to block up, accelerate the flow of water, through filtering the impurity of straining in the aquatic, can avoid aquatic impurity to bump with the impeller in the bi-leaf immersible pump 1, avoid outlet pipe 3 to take place to block up simultaneously, improve the life of bi-leaf immersible pump 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The submersible pump with the double-impeller structure comprises a double-impeller submersible pump (1), a base (2), a water outlet pipe (3), a first impeller (7) and a second impeller (8), wherein the base (2) is fixedly arranged at the bottom of the double-impeller submersible pump (1), the water outlet pipe (3) is connected to the top of the double-impeller submersible pump (1), a submersible motor is arranged on the left side inside the double-impeller submersible pump (1), a water pump shaft is fixedly arranged at the output end of the submersible motor, the first impeller (7) is fixedly arranged on the outer side of the water pump shaft, and the second impeller (8) is fixedly arranged on the outer side of the water pump shaft and is positioned on the right side of the first impeller (7), and the submersible pump is characterized in that a water inlet device is arranged on the right side of the double-impeller submersible pump (1);

The water inlet device comprises an anti-blocking unit, a slag discharging unit and a mounting unit, wherein the anti-blocking unit is arranged on the right side of the double-leaf submersible pump (1), the slag discharging unit is arranged on the right side of the double-leaf submersible pump (1), and the mounting unit is arranged on the side face of the anti-blocking unit;

the anti-blocking unit comprises a first shell (401), a second shell (402), a water inlet pipe (403), a filter screen (404), a fixing frame (405), a motor (406), a connecting rod (407) and a scraping plate (408), wherein the first shell (401) is fixedly installed on the right side of the double-leaf submersible pump (1), the second shell (402) is installed on the right side of the first shell (401), the water inlet pipe (403) is connected on the right side of the second shell (402), the filter screen (404) is installed inside the first shell (401), the fixing frame (405) is fixedly installed on the left side of the filter screen (404) inside the first shell (401), the motor (406) is fixedly installed on one end of the fixing frame (405), the connecting rod (407) is fixedly installed on the output end of the motor (406), and the scraping plate (408) is fixedly installed on the outer surface of the connecting rod (407).

2. The submersible pump with the double impeller structure of claim 1, wherein the slag discharging unit comprises a slag discharging port (501), a sealing plug (502) and a handle (503), the slag discharging port (501) is fixedly arranged at the bottom of the second shell (402), the sealing plug (502) is arranged in the slag discharging port (501), and the handle (503) is fixedly arranged on one side, away from the slag discharging port (501), of the sealing plug (502).

3. The submersible pump with the double-impeller structure of claim 1, wherein the mounting unit comprises a first connecting block (601), a second connecting block (602), bolts (603) and nuts (604), the first connecting block (601) is fixedly mounted at the front end and the rear end of the first shell (401), the second connecting block (602) is fixedly mounted at the front end and the rear end of the second shell (402), the bolts (603) penetrate through the first connecting block (601) and the second connecting block (602), and the nuts (604) are in threaded connection with the outer surfaces of the bolts (603).

4. A bilobed pump of double impeller construction according to claim 1, wherein said connecting rod (407) extends through the interior of the filter screen (404) and to the right of the filter screen (404).

5. A bilobed pump of double impeller construction according to claim 1, wherein one side of said scraper (408) is in contact with the surface of the filter screen (404).

6. The submersible pump with the double impeller structure according to claim 3, wherein the first connecting block (601) and the second connecting block (602) are internally provided with connecting holes, and the bolt (603) penetrates through the two connecting holes to be connected with the nut (604).

7. A bilobed pump of double impeller construction as claimed in claim 2, wherein said discharge opening (501) is inclined downwardly.