CN215370268U

CN215370268U - Self-cleaning mechanism in submersible sewage pump

Info

Publication number: CN215370268U
Application number: CN202121310163.1U
Authority: CN
Inventors: 杨仙国
Original assignee: Shanghai Wei Ying Fluid Equipment Co ltd
Current assignee: Shanghai Wei Ying Fluid Equipment Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-31
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses an internal self-cleaning mechanism of a submersible sewage pump, which comprises: the pump body, the pump body is L type structure and the lower extreme sets up the water inlet, the other end sets up the delivery port, installs the motor on the pump body, the vertical transmission shaft that is provided with in inside of the pump body, the upper end of transmission shaft is connected with the power take off end of motor, installs impeller, filter screen, adjustable ring, fixed plate and crushing sword on the transmission shaft, the fixed plate rotates to be connected on the transmission shaft and the end of fixed plate and the internal connection of the pump body. According to the utility model, the crushing cutter is arranged at the end part of the transmission shaft to crush the dirt entering the pump body into small pieces, the small pieces of dirt are crushed and filtered by the filter screen, the dirt is pushed into the dirt storage tank by the cleaning rod to be stored after being filtered by the filter screen, the dirt in the dirt storage tank is discharged by disassembling the dirt discharge plug, and meanwhile, the inner wall of the pump body can be cleaned by the scraper blade, so that the blockage caused by excessive attachments is avoided, and the normal use of the dirt discharge pump is ensured.

Description

Self-cleaning mechanism in submersible sewage pump

Technical Field

The utility model relates to the technical field of sewage pumps, in particular to an internal self-cleaning mechanism of a submersible sewage pump.

Background

The submersible sewage pump is widely applied to the sewage discharge of electric power and chemical engineering port ship loading and unloading systems and agricultural irrigation. The media transport is typically performed by a drive device driving the dredge pump through a coupling and a long shaft. The safety and the operation of the submersible sewage pump are directly related to whether the whole application system can normally operate, so that the submersible sewage pump has higher requirements on the reliability, the usability, the installation, the operation and the maintenance of the submersible sewage pump equipment.

At present, the existing sewage pump has the following problems: the inside of dredge pump sets up the filter screen and intercepts the filth, and the filth can be attached to and cause the jam at filter screen and pump body inner wall, influences the normal use of dredge pump. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal self-cleaning mechanism of a submersible sewage pump, which solves the problems that a filter screen is arranged in the sewage pump to intercept dirt, the dirt is attached to the filter screen and the inner wall of a pump body to cause blockage, and the normal use of the sewage pump is influenced, and meets the actual use requirement.

In order to achieve the purpose, the utility model provides the following technical scheme: a submersible dredge pump internal self-cleaning mechanism comprising: the pump body, the pump body is L type structure and lower extreme and sets up the water inlet, the other end sets up the delivery port, install the motor on the pump body, the vertical transmission shaft that is provided with in inside of the pump body, the upper end of transmission shaft is connected with the power take off end of motor, install impeller, filter screen, adjustable ring, fixed plate and crushing sword on the transmission shaft, the fixed plate rotates to be connected on the transmission shaft and the tip of fixed plate and the internal connection of the pump body, the outside protrusion in middle part of the pump body and inside are formed with stores up dirty groove, the through-hole that communicates with storing up dirty groove is seted up to the inside of the pump body, the lateral wall of filter screen and the interior wall connection of the pump body just are located through-hole department, it is terminal to smash the sword and install the surface at the transmission shaft.

As a preferred embodiment of the present invention, the adjusting ring is sleeved on the transmission shaft and located below the filter screen, three cleaning rods are mounted on an outer wall of the adjusting ring, the ends of the cleaning rods penetrate through the through holes and extend into the dirt storage tank, a hexagonal mounting hole is formed in the middle of the adjusting ring, and a joint between the transmission shaft and the adjusting ring is of a hexagonal prism structure.

As a preferred embodiment of the utility model, the cleaning rod is of an arc-shaped structure, a plurality of bristles are arranged on the surface of the cleaning rod, and the tail ends of the bristles are in contact connection with the filter screen.

As a preferred embodiment of the present invention, the transmission shaft is further provided with two groups of symmetrical connecting rods, the tail ends of the connecting rods are provided with scrapers, and the scrapers are attached to the inner wall of the pump body.

As a preferred embodiment of the present invention, a drain hole is formed in an outer wall of the pump body, and an internal thread is formed in an inner wall of the drain hole and connected to a drain plug through the internal thread.

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

according to the utility model, the crushing cutter is arranged at the end part of the transmission shaft to crush the dirt entering the pump body into small pieces, the small pieces of dirt are filtered by the filter screen, the dirt is pushed into the dirt storage tank by the cleaning rod to be stored after being filtered by the filter screen, the dirt in the dirt storage tank is discharged by disassembling the dirt discharge plug, and meanwhile, the inner wall of the pump body can be cleaned by the scraper blade, so that the blockage caused by excessive attachments is avoided, and the normal use of the dirt discharge pump is ensured.

Drawings

FIG. 1 is a block diagram of the internal self-cleaning mechanism of the submersible sewage pump of the present invention;

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

FIG. 3 is a block diagram of the clearing rod and adjusting ring of the present invention.

In the figure, 1, a pump body; 2. a motor; 3. an impeller; 4. a drive shaft; 5. cleaning the rod; 6. a squeegee; 7. a pollution discharge plug; 8. a crushing knife; 9. a sewage storage tank; 10. a filter screen; 11. an adjusting ring; 12. a hexagonal prism structure; 13. brushing; 14. mounting holes; 15. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a submersible dredge pump internal self-cleaning mechanism comprising: the pump body 1, the pump body 1 is L-shaped structure and the lower end is provided with a water inlet, the other end is provided with a water outlet, the pump body 1 is provided with a motor 2, the inside of the pump body 1 is vertically provided with a transmission shaft 4, the upper end of the transmission shaft 4 is connected with the power output end of the motor 2, the transmission shaft 4 is provided with an impeller 3, a filter screen 10, an adjusting ring 11, a fixed plate 15 and a crushing cutter 8, the fixed plate 15 is rotatably connected on the transmission shaft 4, the end part of the fixed plate 15 is connected with the inside of the pump body 1, the middle part of the pump body 1 protrudes outwards and is internally provided with a dirt storage groove 9, the inside of the pump body 1 is provided with a through hole communicated with the dirt storage groove 9, the side wall of the filter screen 10 is connected with the inner wall of the pump body 1 and is positioned at the through hole, the crushing cutter 8 is arranged at the surface end of the transmission shaft 4, the dirt entering the pump body 1 is crushed by the crushing cutter 8, the filter screen 10 is attached to the filtered dirt, dirt is cleaned by the cleaning rod 5 and pushed into the dirt storage tank 9.

Further improve ground, adjustable ring 11 cup joints on transmission shaft 4 and is located the below of filter screen 10, installs three clearance pole 5 that are the annular distribution on the outer wall of adjustable ring 11, and the end of clearance pole 5 passes the through-hole and extends to storing up dirty inslot 9, and the mounting hole 14 that is the hexagon is seted up at the middle part of adjustable ring 11, and transmission shaft 4 is hexagonal prism structure 12 with the junction of adjustable ring 11, and adjustable ring 11 can be on hexagonal prism structure 12 vertical migration.

Further improved, the cleaning rod 5 is of an arc-shaped structure, a plurality of bristles 13 are arranged on the surface of the cleaning rod, the tail ends of the bristles 13 are in contact connection with the filter screen 10, and the surface of the filter screen 10 is cleaned through the bristles 13.

Further improve ground, still be provided with the connecting rod of two sets of symmetries on the transmission shaft 4, scraper blade 6 is installed to the end of connecting rod, and scraper blade 6 comes to clear up the inner wall of the pump body 1 through scraper blade 6 with the inner wall laminating of the pump body 1.

Specifically, seted up the blowoff hole on the outer wall of pump body 1, the blowoff downthehole wall is provided with the internal thread and has blowdown stopper 7 through female connection, and blowdown stopper 7 passes through the screw thread and is connected with the blowoff hole, can dismantle it after rotating blowdown stopper 7, and the filth in the dismantlement back storage dirt groove 9 is along with rivers discharge.

When the utility model is used, the motor 2 rotates to drive the transmission shaft 4 to rotate and drive the impeller 3, the impeller 3 rotates to bring water into the pump body 1 through the water inlet and discharge the water from the water outlet, the dirt is crushed by the crushing cutter 8 and filtered by the filter screen 10, the dirt on the surface of the filter screen 10 is pushed into the dirt storage tank 9 through the cleaning rod 5 after being filtered, meanwhile, the inner wall of the pump body 1 is cleaned through the scraper 6, and the dirt in the dirt storage tank 9 can be discharged after the dirt discharge plug 7 is opened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A submersible dredge pump internal self-cleaning mechanism comprising: the pump body (1), the pump body (1) is L type structure and lower extreme and sets up the water inlet, the other end sets up the delivery port, install motor (2), its characterized in that on the pump body (1): the inside vertical transmission shaft (4) that is provided with of the pump body (1), the upper end of transmission shaft (4) is connected with the power take off end of motor (2), install impeller (3), filter screen (10), adjustable ring (11), fixed plate (15) and smash sword (8) on transmission shaft (4), fixed plate (15) rotate to be connected on transmission shaft (4) and the tip of fixed plate (15) and the internal connection of the pump body (1), the outside protrusion in middle part of the pump body (1) and inside are formed with and store up dirty groove (9), the through-hole that communicates with storing up dirty groove (9) is seted up to the inside of the pump body (1), the lateral wall of filter screen (10) and the interior wall connection of the pump body (1) just are located through-hole department, smash sword (8) and install the surface end in transmission shaft (4).

2. The submersible sewage pump internal self-cleaning mechanism of claim 1, wherein: adjusting ring (11) cup joint on transmission shaft (4) and are located the below of filter screen (10), install three clearance pole (5) that are annular distribution on the outer wall of adjusting ring (11), the end of clearance pole (5) passes the through-hole and extends to in storing up dirty groove (9), mounting hole (14) that are the hexagon are seted up at the middle part of adjusting ring (11), transmission shaft (4) are hexagonal prism structure (12) with the junction of adjusting ring (11).

3. The submersible sewage pump internal self-cleaning mechanism of claim 2, wherein: the cleaning rod (5) is of an arc-shaped structure, the surface of the cleaning rod is provided with a plurality of bristles (13), and the tail ends of the bristles (13) are in contact connection with the filter screen (10).

4. The submersible sewage pump internal self-cleaning mechanism of claim 1, wherein: the transmission shaft (4) is further provided with two sets of symmetrical connecting rods, the tail ends of the connecting rods are provided with scrapers (6), and the scrapers (6) are attached to the inner wall of the pump body (1).

5. The submersible sewage pump internal self-cleaning mechanism of claim 1, wherein: the pump body (1) is characterized in that a sewage draining hole is formed in the outer wall of the pump body, and an internal thread is arranged on the inner wall of the sewage draining hole and connected with a sewage draining plug (7) through the internal thread.