CN210769587U

CN210769587U - Centrifugal pump with filtering device

Info

Publication number: CN210769587U
Application number: CN201922001483.8U
Authority: CN
Inventors: 刘继宁; 田琳
Original assignee: Zhuozhou Gaoyan Pump And Valve Manufacturing Co ltd
Current assignee: Zhuozhou Gaoyan Pump And Valve Manufacturing Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-16
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a from centrifugal pump of taking filter equipment, including driving motor and the centrifugal pump of erection joint together, be equipped with water inlet and delivery port on the centrifugal pump, the tip of water inlet is installed and is filtered the body, the end of intaking of filtering the body is provided with most advanced toper filter screen outwards, the outside of toper filter screen is provided with filter screen scraper blade subassembly, and the inboard of toper filter screen is provided with the screw, filter screen scraper blade subassembly and screw are connected through the pivot, the axle center department at the toper filter screen is installed in the pivot. The utility model discloses the normal operating of effectual assurance centrifugal pump has avoided damaging the problem of impeller, has improved the efficiency of drawing water of centrifugal pump, prolongs the life of centrifugal pump.

Description

Centrifugal pump with filtering device

Technical Field

The utility model relates to a centrifugal pump field especially relates to a from centrifugal pump of taking filter equipment.

Background

When the centrifugal pump is used, the motor drives the impeller to rotate through the rotating shaft, the impeller drives water to do high-speed rotating motion, the water is centrifugally moved, thrown to the outer edge of the impeller and discharged from the water outlet through a flow channel of the volute pump shell.

However, if the water entering the centrifugal pump contains foreign debris, the foreign debris can enter the centrifugal pump along with the water, which may damage the impeller, cause wear of the centrifugal pump components, reduce the pumping efficiency of the centrifugal pump, and affect the service life of the centrifugal pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from centrifugal pump of taking filter equipment, among the solution background art, in miscellaneous bits can get into the centrifugal pump along with water, cause the problem of centrifugal pump spare part wearing and tearing.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a from centrifugal pump of taking filter equipment, including driving motor and the centrifugal pump of erection joint together, be equipped with water inlet and delivery port on the centrifugal pump, the filtration body is installed to the tip of water inlet, the end of intaking of filtering the body is provided with most advanced toper filter screen outwards, the outside of toper filter screen is provided with filter screen scraper blade subassembly, the inboard of toper filter screen is provided with the screw, filter screen scraper blade subassembly and screw are connected through the pivot, the pivot is installed the axle center department of toper filter screen.

Furthermore, the filtering pipe body is communicated with a filtering branch pipe, a cylindrical filtering net is arranged in the filtering branch pipe, and a sealing end cover is arranged at the end opening of the filtering branch pipe.

Furthermore, a cleaning spray head is arranged on the sealing end cover and faces the inside of the filtering branch pipe.

Further, the filter screen scraper blade subassembly include with the rectification cap that pivot one end is connected, it has a plurality of scrapers to be the circumference equipartition on the rectification cap, each the side of scraper blade is all laminated on the toper filter screen.

Further, the number of the scrapers is two.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses connect the toper filter screen in the import department of filtering the body, just filter the miscellaneous bits of aquatic before water is by the suction centrifugal pump, can prevent that miscellaneous bits from getting into inside the centrifugal pump, simultaneously, the screw drives filter screen scraper blade subassembly through the pivot and rotates to scrape out the impurity that the toper filter screen was crossed and is worryed the face, the filtering capability of effectual assurance toper filter screen. The utility model discloses the normal operating of effectual assurance centrifugal pump has avoided damaging the problem of impeller, has improved the efficiency of drawing water of centrifugal pump, prolongs the life of centrifugal pump.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation structure of the conical filter screen, the filter screen scraper component and the propeller.

Description of reference numerals: 1. a drive motor; 2. a centrifugal pump; 201. a water inlet; 202. a water outlet; 3. a filtering pipe body; 301. filtering the branch pipe; 302. a cylindrical filter screen; 303. sealing the end cap; 304. cleaning the spray head; 4. a conical filter screen; 5. a screen scraper assembly; 501. a rectifying cap; 502. a squeegee; 6. a propeller; 7. a rotating shaft.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 to 2, the present embodiment discloses a centrifugal pump with a filtering device, which includes a driving motor 1 and a centrifugal pump 2 that are installed and connected together, and the centrifugal pump 2 is provided with a water inlet 201 and a water outlet 202. In order to filter the water entering the centrifugal pump 2, the filtering pipe body 3 is installed on the flange plate at the end part of the water inlet 201 in a mechanical sealing mode, a groove is reserved on the end face of the flange plate at the water inlet end of the filtering pipe body 3, the groove is provided with the pointed outwards conical filtering net 4 through bolts, impurities in water can be filtered by the conical filtering net 4, but the impurities with large particles can block up on the filtering surface of the conical filtering net 4 after a long time, the filtering effect is seriously affected, the filtering net scraper component 5 is arranged on the outer side of the conical filtering net 4 based on the groove, the propeller 6 is arranged on the inner side of the conical filtering net 4, the filtering net scraper component 5 is connected with the propeller 6 through the rotating shaft 7, and the rotating shaft 7. Can drive screw 6 and rotate after rivers flow through toper filter screen 4, screw 6 drives filter screen scraper blade subassembly 5 through pivot 7 and rotates to scrape out the impurity of the face of considering of toper filter screen 4, the effectual filtering capability who guarantees toper filter screen 4.

In this embodiment, filter screen scraper blade subassembly 5 includes the cowling cap 501 of being connected with pivot 7 one end, is the circumference equipartition on the cowling cap 501 and has a plurality of scrapers 502, and cowling cap 501 and each scraper 502 adopt an organic whole to mould plastics to form, and the side of each scraper 502 all laminates on toper filter screen 4. The number of the squeegees 502 is provided two.

In order to further improve the filtering performance, the filtering pipe body 3 is communicated with a filtering branch pipe 301, a cylindrical filtering net 302 is arranged in the filtering branch pipe 301, the filtering hole of the cylindrical filtering net 302 is smaller than the filtering hole of the conical filtering net 4, and a sealing end cover 303 is arranged at the end port of the filtering branch pipe 301. The sealing end cover 303 is connected with a cleaning nozzle 304 through a thread seal, and the cleaning nozzle 304 faces the inside of the filter branch pipe 301 and can clean the filter holes of the cylindrical filter screen 302. The filtering pipe 3, the filtering branch pipe 301 and the cylindrical filtering net 302 form a Y-shaped filter, which belongs to the prior art and can be implemented by those skilled in the art, and will not be described herein.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a from centrifugal pump of taking filter equipment, includes driving motor (1) and centrifugal pump (2) that the installation is connected together, be equipped with water inlet (201) and delivery port (202) on centrifugal pump (2), its characterized in that: filter body (3) are installed to the tip of water inlet (201), the end of intaking of filtering body (3) is provided with most advanced outside toper filter screen (4), the outside of toper filter screen (4) is provided with filter screen scraper blade subassembly (5), the inboard of toper filter screen (4) is provided with screw (6), filter screen scraper blade subassembly (5) and screw (6) are connected through pivot (7), install pivot (7) the axle center department of toper filter screen (4).

2. The centrifugal pump with the filter device as claimed in claim 1, wherein: the filter tube body (3) is communicated with a filter branch tube (301), a cylindrical filter screen (302) is arranged in the filter branch tube (301), and a sealing end cover (303) is arranged at a port of the filter branch tube (301).

3. The centrifugal pump with the filter device as claimed in claim 2, wherein: and a cleaning spray head (304) is arranged on the sealing end cover (303), and the cleaning spray head (304) faces the inside of the filtering branch pipe (301).

4. The centrifugal pump with the filter device as claimed in claim 1, wherein: filter screen scraper blade subassembly (5) include with fairing cap (501) that pivot (7) one end is connected, it has a plurality of scrapers (502) to be the circumference equipartition on fairing cap (501), each the side of scraper blade (502) all laminates on toper filter screen (4).

5. The centrifugal pump with the filter device as claimed in claim 4, wherein: the number of the scrapers (502) is two.