CN219035024U

CN219035024U - Anti-blocking centrifugal pump

Info

Publication number: CN219035024U
Application number: CN202222527360.XU
Authority: CN
Inventors: 孟凡丽; 康志强; 张昊
Original assignee: Huanchuang Chifeng Technology Co ltd
Current assignee: Huanchuang Chifeng Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-16
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses an anti-blocking centrifugal pump, which comprises a base, wherein a driving motor is arranged on the right side of the upper end of the base, the output end of the driving motor is fixedly connected with a transmission shaft, the left end of the transmission shaft is provided with a pump body, the left end of the pump body is provided with a water inlet, and the left end of the water inlet is provided with an outer shell. This prevent stifled centrifugal pump, when the clearance, close the inlet tube through control valve, and open the blow off pipe, utilize rotating electrical machines to drive the transfer line and rotate for the connecting plate synchronous rotation, thereby brush the surface of brushing the filter screen, with the debris clearance of filter screen surface accumulation under, utilize the backwash pump to take out the water at mouth of a river simultaneously, and send into in the shell body, form the backwash to the filter screen, wash out the grit that blocks up in the filtration pore, all impurity are discharged through the blow off pipe, guaranteed the filter effect of filter screen, avoid leading to the jam of centrifugal pump, the practicality has been improved.

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 operated by utilizing the rotation of the impeller to make water generate 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 do high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the runner of the volute pump shell.

Searched (CN 113833663 a) discloses an anti-blocking centrifugal pump comprising: the device comprises a base, a pump body, a motor and a transmission case; sewage enters into the filter cartridge from the water inlet guide pipe, enters into the water inlet after being filtered by the arc filter screen in the filter cartridge, enters into the pump body from the water inlet, and when the motor drives the impeller shaft in the pump body to rotate, the impeller shaft drives the intermediate shaft to rotate through gear connection, the intermediate shaft drives the lifting screw to rotate through the bottom shaft, the arc filter screen is scraped when the lifting screw rotates, sundries and sand are effectively prevented from blocking the arc filter screen, sundries and sand stored in the filter cartridge are pushed upwards to the collecting cover due to the pushing of the lifting screw, and when sundries and sand are required to be cleaned, the collecting cover is only required to be opened, so that the operation flow is simplified, pipelines at the water inlet are not required to be detached, and the cleaning efficiency is greatly improved.

The existing anti-blocking centrifugal pump scrapes the filter screen through the screw rod, but only cleans the surface of the filter screen, and partial silt enters the filter holes to form blockage, so that the blockage cannot be cleaned, and the practicability is lower.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an anti-blocking centrifugal pump, which solves the problems that the prior anti-blocking centrifugal pump provided in the background art can only clean the surface of a filter screen although scraping the filter screen through a screw rod, and part of sediment enters a filter hole to form blockage and cannot be cleaned, so that the practicability is lower.

(II) technical scheme

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 the base, driving motor is installed on the right side of base upper end, driving motor's output fixedly connected with transmission shaft, the left end of transmission shaft is provided with the pump body, the upper end of the pump body is provided with the delivery port, the left end of the pump body is provided with the water inlet, the left end of water inlet is provided with the shell body, the inboard of shell body is provided with the filter screen, the right side of shell body upper end is provided with the inlet tube, the backwash pump is installed to the upper end of shell body, scraping assembly is installed to the right-hand member of shell body.

Preferably, the driving motor and the base are fixedly connected through a connecting frame, and the pump body and the base are fixedly connected through the same connecting frame, so that the pump body can be conveniently installed and fixed.

Preferably, the shell body comprises a fixed shell body and a detachable shell body, the left end of the water inlet is fixedly provided with the fixed shell body, the left end of the fixed shell body is detachably connected with the detachable shell body through a screw, the fixed shell body and the inner side of the detachable shell body are fixedly connected with limit baffles, and the detachable shell body is detached, so that the filter screen can be conveniently replaced or maintained.

Preferably, two limit baffle is connected with the left and right sides both ends laminating of filter screen respectively, the left side fixed mounting of detachable casing lower extreme has the blow off pipe, be provided with control valve on the blow off pipe, be provided with the same control valve in the inlet tube, discharge debris and grit through the blow off pipe, convenient clearance.

Preferably, the lower end of the back flush pump is communicated with the shell body, the upper end of the back flush pump is connected with the water outlet through a pipeline, the back flush pump is utilized to back flush the filter screen, and the cleaning effect of the filter screen is improved.

Preferably, the scraping assembly comprises a rotating motor, a transmission rod, a connecting plate and a hairbrush, the rotating motor is arranged at the left end of the detachable shell, the transmission rod is fixedly connected with the output end of the rotating motor, the right end of the transmission rod extends to the inner side of the detachable shell and is fixedly connected with the connecting plate, the right end of the connecting plate is fixedly connected with the hairbrush, the transmission rod and the detachable shell are rotationally connected through a bearing, the length of the hairbrush and the diameter of the filter screen are mutually matched, the transmission rod is driven to rotate through the rotating motor, the connecting plate is synchronously rotated, and the hairbrush can clean the surface of the filter screen and remove blocked sundries.

Compared with the prior art, the utility model provides an anti-blocking centrifugal pump, which has the following beneficial effects:

this prevent stifled centrifugal pump, when the clearance, close the inlet tube through control valve, and open the blow off pipe, utilize rotating electrical machines to drive the transfer line and rotate for the connecting plate synchronous rotation, thereby brush the surface of brushing the filter screen, with the debris clearance of filter screen surface accumulation under, utilize the backwash pump to take out the water at mouth of a river simultaneously, and send into in the shell body, form the backwash to the filter screen, wash out the grit that blocks up in the filtration pore, all impurity are discharged through the blow off pipe, guaranteed the filter effect of filter screen, avoid leading to the jam of centrifugal pump, the practicality has been improved.

Drawings

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

FIG. 2 is a schematic cross-sectional view of an outer housing of the present utility model;

fig. 3 is a schematic cross-sectional view of the detachable housing of the present utility model.

In the figure: 1. a base; 2. a driving motor; 21. a connecting frame; 3. a transmission shaft; 4. a pump body; 5. a water outlet; 6. a water inlet; 7. an outer housing; 701. a fixed housing; 702. a detachable housing; 703. a limit baffle; 704. a blow-down pipe; 8. a filter screen; 9. a water inlet pipe; 10. a backwash pump; 11. a scraping assembly; 1101. a rotating electric machine; 1102. a transmission rod; 1103. a connecting plate; 1104. a brush.

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. 1-3, the present utility model provides a technical solution: the utility model provides an anti-blocking centrifugal pump, including base 1, driving motor 2 is installed on the right side of base 1 upper end, driving motor 2's output fixedly connected with transmission shaft 3, driving motor 2 and base 1 pass through link 21 fixed connection, pump body 4 and base 1 pass through same link 21 fixed connection, pump body 4's upper end is provided with delivery port 5, pump body 4's left end is provided with water inlet 6, water inlet 6's left end is provided with shell 7, shell 7's inboard is provided with filter screen 8, shell 7 includes fixed casing 701 and detachable casing 702, water inlet 6's left end fixed mounting has fixed casing 701, fixed casing 701's left end is connected with detachable casing 702 through the screw can be dismantled, fixed casing 701 and detachable casing 702's inboard all fixedly connected with limit baffle 703, two limit baffles 703 are respectively with filter screen 8's left and right sides fixed mounting has the delivery port 5, be provided with control valve on the blow off pipe 704, be provided with the same control valve in the inlet tube 9, back flush pump 10's lower extreme and shell 7 and filter screen 10 are connected with each other through the filter screen 8 through the screw, thereby the filter screen is dismantled to filter screen 8 has been guaranteed to filter effect convenient, the filter screen is dismantled through mutual filter screen 8 has been guaranteed to the back flush pump 10, the filter effect is dismantled;

the right side of shell body 7 upper end is provided with inlet tube 9, backwash pump 10 is installed to the upper end of shell body 7, scraping assembly 11 is installed to the right-hand member of shell body 7, scraping assembly 11 includes rotating electrical machines 1101, transfer line 1102, connecting plate 1103 and brush 1104, the left end fixed mounting of detachable housing 702 has rotating electrical machines 1101, the output fixedly connected with transfer line 1102 of rotating electrical machines 1101, the right-hand member of transfer line 1102 extends to the inboard fixedly connected with connecting plate 1103 of detachable housing 702, the right-hand member fixedly connected with brush 1104 of connecting plate 1103, transfer line 1102 and detachable housing 702 pass through the bearing and rotate and connect, the length of brush 1104 and the diameter of filter screen 8 are mutually adapted, utilize rotating electrical machines 1101 to drive transfer line 1102 and rotate, make connecting plate 1103 synchronous rotation, thereby the surface of filter screen 8 is washd to the brush 1104, under the debris clearance that the surface of filter screen 8 was piled up.

Working principle: firstly, when in use, rivers get into the shell 7 through inlet tube 9, filter debris and grit through filter screen 8, prevent to cause the jam of centrifugal pump, rivers after filtering get into in the pump body 4, drive transmission shaft 3 rotation by driving motor 2, thereby drive impeller rotation in the pump body 4, make rivers form centrifugal effect, send out water from delivery port 5, thereby effectively prevent the jam of the pump body 4 after, the operation of centrifugal pump has been guaranteed, when the clearance, utilize rotating electrical machines 1101 to drive transfer line 1102 rotation, make connecting plate 1103 synchronous rotation, thereby brush 1104 washs the surface of filter screen 8, under the debris clearance of piling up on filter screen 8 surface, simultaneously close inlet tube 9 through control valve, and open blow off pipe 704, make the debris of clearance discharge through blow off pipe 704, simultaneously carry out the recoil to filter screen 8 through backwash pump 10, further get rid of the impurity of jam in the filter screen 8, the clearance effect to filter screen 8 has been guaranteed, and through dismantling detachable shell 702, the filter screen 8's dismantlement and maintenance are convenient, the convenience has been improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-blocking centrifugal pump comprising a base (1), characterized in that: the right side of base (1) upper end is installed driving motor (2), the output fixedly connected with transmission shaft (3) of driving motor (2), the left end of transmission shaft (3) is provided with pump body (4), the upper end of pump body (4) is provided with delivery port (5), the left end of pump body (4) is provided with water inlet (6), the left end of water inlet (6) is provided with shell body (7), the inboard of shell body (7) is provided with filter screen (8), the right side of shell body (7) upper end is provided with inlet tube (9), backwash pump (10) are installed to the upper end of shell body (7), scraping assembly (11) are installed to the right-hand member of shell body (7).

2. An anti-blocking centrifugal pump according to claim 1, wherein: the driving motor (2) is fixedly connected with the base (1) through a connecting frame (21), and the pump body (4) is fixedly connected with the base (1) through the same connecting frame (21).

3. An anti-blocking centrifugal pump according to claim 1, wherein: the shell body (7) comprises a fixed shell body (701) and a detachable shell body (702), the fixed shell body (701) is fixedly arranged at the left end of the water inlet (6), the detachable shell body (702) is detachably connected with the left end of the fixed shell body (701) through screws, and limit baffles (703) are fixedly connected with the inner sides of the fixed shell body (701) and the detachable shell body (702).

4. A centrifugal pump according to claim 3, wherein: two limit baffles (703) are respectively connected with the left end and the right end of the filter screen (8) in a fitting way, a drain pipe (704) is fixedly arranged on the left side of the lower end of the detachable shell (702), a control valve is arranged on the drain pipe (704), and the same control valve is arranged in the water inlet pipe (9).

5. An anti-blocking centrifugal pump according to claim 1, wherein: the lower end of the back flushing pump (10) is communicated with the outer shell (7), and the upper end of the back flushing pump (10) is connected with the water outlet (5) through a pipeline.

6. A centrifugal pump according to claim 3, wherein: the scraping assembly (11) comprises a rotating motor (1101), a transmission rod (1102), a connecting plate (1103) and a hairbrush (1104), the rotating motor (1101) is fixedly arranged at the left end of the detachable shell (702), the transmission rod (1102) is fixedly connected with the output end of the rotating motor (1101), the right end of the transmission rod (1102) extends to the inner side of the detachable shell (702) and is fixedly connected with the connecting plate (1103), the right end of the connecting plate (1103) is fixedly connected with the hairbrush (1104), the transmission rod (1102) is rotatably connected with the detachable shell (702) through a bearing, and the length of the hairbrush (1104) and the diameter of the filter screen (8) are mutually matched.