CN219012878U

CN219012878U - Anti-blocking centrifugal pump

Info

Publication number: CN219012878U
Application number: CN202223543719.9U
Authority: CN
Inventors: 顾军
Original assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Current assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an anti-blocking centrifugal pump, which relates to the technical field of centrifugal pumps and comprises a centrifugal pump main body and a transmission shaft arranged in the centrifugal pump main body, wherein a connecting pipe is arranged on one side of the centrifugal pump main body, a crushing cutter is fixedly arranged at the position of the tail end of the transmission shaft, which is positioned in the connecting pipe, and a filter screen is fixedly arranged in the connecting pipe. According to the utility model, the crushing cutter is fixedly arranged at the tail end of the transmission shaft, and the crushing cutter crushes large-particle impurities to a certain extent along with the rotation of the transmission shaft, so that a part of crushed impurities can pass through the filter screen and then are discharged through the drain pipe, and the other part of impurities which cannot be crushed are scraped away from the filter screen by the scraper brush and accumulated in the sewage draining rack, thus the problem that the sewage draining rack needs to be cleaned frequently no matter what impurities are accumulated in the sewage draining rack is effectively avoided, the cleaning period of the sewage draining rack is prolonged, the labor intensity of workers is effectively reduced, and the sewage draining rack is convenient to use.

Description

Anti-blocking centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to an anti-blocking centrifugal pump.

Background

The centrifugal pump is a pump which is used for conveying liquid by centrifugal force generated when the impeller rotates, the centrifugal pump is operated by utilizing the centrifugal force generated when the impeller rotates to enable water to perform centrifugal motion, before the water pump is started, the pump shell and the water suction pipe are required to be filled with water, then the motor is started, the pump shaft drives the impeller and the water to perform high-speed rotation motion, the water performs centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressing pipeline of the water pump through a runner of the volute pump shell.

One chinese patent with the publication number CN216589317U is entitled to provide a chemical centrifugal pump with anti-blocking function, wherein in order to solve the problem that impurities are easy to accumulate on a filter screen, the centrifugal pump can be blocked, and when a motor drives a rotating shaft to work, the cleaning mechanism cleans impurities on a filter screen, so that the phenomenon that the centrifugal pump cannot work normally due to the accumulation and blocking of the impurities is avoided.

But above-mentioned technical scheme clearance mechanism only strikes off impurity, makes impurity break away from the filter screen, and impurity after striking off piles up in drain department, needs the staff to clear up it regularly frequently, if the staff is not clear up it regularly, whole clearance cycle is shorter, comparatively troublesome.

Disclosure of Invention

Based on the above, the utility model aims to provide an anti-blocking centrifugal pump, so as to solve the technical problems that in the prior art, workers are required to clean impurities in a sewage outlet regularly and frequently, and if the workers do not clean the impurities regularly, the whole cleaning period is shorter and the cleaning period is troublesome.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-blocking centrifugal pump, includes centrifugal pump main part and the transmission shaft that sets up inside thereof, centrifugal pump main part one side is provided with the connecting pipe, the transmission shaft end is located the fixed crushing sword that is provided with in the inside position department of connecting pipe, the inside fixed filter screen that is provided with of connecting pipe, and filter screen and transmission shaft are swing joint, the transmission shaft outside is provided with clearance mechanism, clearance mechanism includes the scraper blade brush, two sets of the scraper blade brush is located the top and the bottom of transmission shaft, the brush part and the filter screen of scraper blade brush contact, and the quantity of scraper blade brush is two sets of, the connecting pipe bottom is provided with the blowdown frame, blowdown frame bottom end is provided with the closing plate, blowdown frame and connecting pipe are inside to be linked together, and are connected with the sealing washer between blowdown frame and the connecting pipe.

Through adopting above-mentioned technical scheme, through fixedly being provided with crushing sword at the transmission shaft end, along with the rotation of transmission shaft, crushing sword carries out the breakage of certain degree to large granule impurity, and then the impurity after making some broken can pass the filter screen and then the rethread drain pipe discharges, and the filter screen is piled up inside the blowdown frame to the unable broken impurity of another portion then scraped by the scraper blade brush, and the aforesaid is known, and the effectual problem that leads to the blowdown frame to need frequent clearance in blowdown frame inside can all be piled up to whatever impurity of having avoided makes the cycle extension of blowdown frame clearance, effectually reduced staff's intensity of labour, it is comparatively convenient to use.

The centrifugal pump is further characterized in that a water inlet pipe is fixedly arranged on one side of the connecting pipe, a water outlet pipe is fixedly arranged on the top of the centrifugal pump main body, and connecting flanges are arranged on the water inlet pipe and the water outlet pipe.

By adopting the technical scheme, the water inlet pipe is convenient for water inlet, and the water outlet pipe is convenient for water outlet.

The centrifugal pump is further characterized in that a base is fixedly arranged at the bottom of the centrifugal pump main body, and a fixing groove is formed in the base.

By adopting the technical scheme, the base plays a role in supporting and fixing the whole of the utility model.

In summary, the utility model has the following advantages: according to the utility model, the crushing cutter is fixedly arranged at the tail end of the transmission shaft, and the crushing cutter crushes large-particle impurities to a certain extent along with the rotation of the transmission shaft, so that a part of crushed impurities can pass through the filter screen and then are discharged through the drain pipe, and the other part of impurities which cannot be crushed are scraped away from the filter screen by the scraper brush and accumulated in the sewage draining rack, thus the problem that the sewage draining rack needs to be cleaned frequently no matter what impurities are accumulated in the sewage draining rack is effectively avoided, the cleaning period of the sewage draining rack is prolonged, the labor intensity of workers is effectively reduced, and the sewage draining rack is convenient to use.

Drawings

FIG. 1 is a schematic view of a first view of the present utility model;

FIG. 2 is a schematic diagram of a second view of the present utility model;

fig. 3 is a partially exploded view of the present utility model.

In the figure: 1. a centrifugal pump body; 2. a connecting pipe; 3. a transmission shaft; 4. a filter screen; 5. a scraper brush; 6. a crushing knife; 7. a sewage draining rack; 8. a sealing plate; 9. a water inlet pipe; 10. a drain pipe; 11. and (5) a base.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

An anti-clogging centrifugal pump, as shown in fig. 1, 2 and 3, comprises a centrifugal pump main body 1 and a transmission shaft 3 arranged in the centrifugal pump main body, wherein a connecting pipe 2 is arranged on one side of the centrifugal pump main body 1, the tail end of the transmission shaft 3 is fixedly arranged at the position of the inside of the connecting pipe 2, a crushing cutter 6 is fixedly arranged at the tail end of the transmission shaft 2, a filter screen 4 is movably connected with the transmission shaft 3, a cleaning mechanism is arranged on the outer side of the transmission shaft 3, the cleaning mechanism comprises scraper brushes 5, two groups of scraper brushes 5 are arranged at the top end and the bottom end of the transmission shaft 3, brush parts of the scraper brushes 5 are contacted with the filter screen 4, the number of the scraper brushes 5 is two, a drain frame 7 is arranged at the bottom of the connecting pipe 2, a sealing plate 8 is arranged at the tail end of the drain frame 7, the drain frame 7 is communicated with the inside of the connecting pipe 2, a sealing ring is connected between the drain frame 7 and the connecting pipe 2, the crushing cutter 6 is fixedly arranged at the tail end of the transmission shaft 3, and the crushing cutter 6 breaks large particle impurities to a certain extent along with the rotation of the transmission shaft 3, so that part of the crushed impurities can pass through the filter screen 4 and then be discharged through 10, the other part of the broken impurities can not be scraped off the filter screen 4;

the above-mentioned can know, effectually avoided whatever impurity can all pile up in the blowdown frame 7 inside and lead to the problem that blowdown frame 7 needs frequent clearance, make the cycle extension of blowdown frame clearance, effectually reduced staff's intensity of labour, it is comparatively convenient to use.

Referring to fig. 1 and 2, a water inlet pipe 9 is fixedly arranged at one side of a connecting pipe 2, a water outlet pipe 10 is fixedly arranged at the top of a centrifugal pump main body 1, and the water inlet pipe 9 and the water outlet pipe 10 are both provided with connecting flanges.

Referring to fig. 1 and 2, a base 11 is fixedly arranged at the bottom of a centrifugal pump main body 1, and a fixing groove is formed in the base 11, so that the base 11 plays a role in supporting and fixing the whole centrifugal pump.

The working principle of the utility model is as follows: when in use, the external water pipe is fixedly connected with an external motor output shaft through the transmission shaft 3, and then the external water pipe is respectively connected with the water inlet pipe 9 and the water outlet pipe 10;

through fixedly arranging the crushing cutter 6 at the tail end of the transmission shaft 3, along with the rotation of the transmission shaft 3, the crushing cutter 6 crushes large-particle impurities to a certain extent, so that a part of crushed impurities can pass through the filter screen 4 and then are discharged through the drain pipe 10, and the other part of impurities which cannot be crushed are scraped off the filter screen 4 by the scraper brush 5 and are accumulated in the sewage disposal frame 7;

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Anti-clogging centrifugal pump, including centrifugal pump main part (1) and transmission shaft (3) that its inside set up, its characterized in that: the centrifugal pump is characterized in that a connecting pipe (2) is arranged on one side of the centrifugal pump body (1), a crushing cutter (6) is fixedly arranged at the position, located inside the connecting pipe (2), of the tail end of the transmission shaft (3), a filter screen (4) is fixedly arranged inside the connecting pipe (2), the filter screen (4) and the transmission shaft (3) are movably connected, and a cleaning mechanism is arranged on the outer side of the transmission shaft (3).

2. An anti-clogging centrifugal pump as claimed in claim 1, wherein: the cleaning mechanism comprises scraping plate brushes (5), and two groups of scraping plate brushes (5) are positioned at the top end and the bottom end of the transmission shaft (3).

3. An anti-clogging centrifugal pump as claimed in claim 2, wherein: the brush part of the scraper brush (5) is in contact with the filter screen (4), and the number of the scraper brushes (5) is two groups.

4. An anti-clogging centrifugal pump as claimed in claim 1, wherein: the bottom of the connecting pipe (2) is provided with a sewage draining frame (7), and the tail end of the bottom of the sewage draining frame (7) is provided with a sealing plate (8).

5. An anti-clogging centrifugal pump as recited in claim 4 wherein: the sewage draining rack (7) is communicated with the inside of the connecting pipe (2), and a sealing ring is connected between the sewage draining rack (7) and the connecting pipe (2).

6. An anti-clogging centrifugal pump as claimed in claim 1, wherein: the centrifugal pump is characterized in that a water inlet pipe (9) is fixedly arranged on one side of the connecting pipe (2), a water outlet pipe (10) is fixedly arranged at the top of the centrifugal pump body (1), and connecting flanges are arranged on the water inlet pipe (9) and the water outlet pipe (10).

7. An anti-clogging centrifugal pump as claimed in claim 1, wherein: the centrifugal pump is characterized in that a base (11) is fixedly arranged at the bottom of the centrifugal pump body (1), and a fixing groove is formed in the base (11).