CN214742142U

CN214742142U - Submersible pump

Info

Publication number: CN214742142U
Application number: CN202120778687.7U
Authority: CN
Inventors: 孙文通
Original assignee: Zhejiang Meideheng Pump Co ltd
Current assignee: Zhejiang Meideheng Pump Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-16
Anticipated expiration: 2031-04-16

Abstract

The utility model relates to a submersible pump, including the pump body and motor, the intake antrum has been seted up to the bottom of the pump body, the pivot of motor is passed the pump body and is entered into in the intake antrum, water inlet and delivery port have been seted up on the inner wall of intake antrum, coaxial being fixed with the swivel in the pivot, installing the filter screen on the swivel, two cavities are separated into to the filter screen intake antrum, water inlet and delivery port are in two cavities respectively, are fixed with the scraper on the cavity lateral wall at water inlet place, the scraper is close to the surface that the filter screen deviates from the delivery port, the water inlet is in on the cavity lateral wall of keeping away from the scraper. The winding is attached to the one side that the filter screen is close to the water inlet more easily, and through the rotation of filter screen, when the winding rotates scraper one side, the water pressure that receives on the winding reduces, and the scraper can be more easily scrape the winding down, and the guarantee filter screen can keep good water effect of crossing for a long time to improve the stability of intaking.

Description

Submersible pump

Technical Field

The application relates to the field of water pumps, in particular to a submersible pump.

Background

The submersible pump conveys liquid along the axial direction by the action force of the blades of the rotating impeller on the liquid. There will be a certain amount of entanglement in the water, such as waterweeds, nylon bags, waste cloth, etc. When the submersible pump works, the winding can be wound on the blades, so that the blades cannot normally rotate, and the normal operation of equipment is influenced.

At present, chinese patent with publication number CN208236660U discloses a centrifugal slurry pump with pumping cutting device, including the slurry pump shell, the water inlet has been seted up to the bottom of slurry pump shell, the bottom installation intake chamber of slurry pump shell, the pivot has been pegged graft in the inner chamber of slurry pump shell, and the top of pivot extends to the top outside of slurry pump shell and installs the motor, install centrifugal impeller in the pivot, and centrifugal impeller is located the slurry pump shell, and the bottom of pivot passes in the inner chamber that the water inlet extended to the intake chamber and install the water conservancy diversion cap, the bottom installation filter screen of intake chamber, the bottom erection joint pole of water conservancy diversion cap, and the bottom of connecting rod extends to the bottom outer wall of filter screen and installs the scraper.

The related art mentioned above intercepts the winding outside the water inlet chamber through the filter screen, reducing the possibility that the winding is wound on the blades. And the surface of the filter screen is cleaned by using the rotating shaft to drive the scraper, so that the possibility that the filter screen is blocked by the winding object is reduced.

In view of the above-mentioned related art, the inventor believes that the water flowing from the water inlet to the water inlet chamber provides pressure against the winding on the surface of the filter screen, so that the winding is tightly attached to the filter screen, and the scraper does not easily scrape the winding. Only when the filter screen is blocked up to a certain degree, the water flow can not flow normally, and the entanglement can be scraped off by the scraper smoothly after losing the extrusion of the water flow, so that the water inlet efficiency can be influenced inevitably in the process.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of the efficiency of intaking, this application provides a immersible pump.

The application provides a immersible pump adopts following technical scheme:

the utility model provides a submersible pump, includes the pump body and motor, the intake antrum has been seted up to the bottom of the pump body, the pivot of motor is passed the pump body and is entered into in the intake antrum, water inlet and delivery port have been seted up on the inner wall of intake antrum, coaxial being fixed with the swivel in the pivot, installing the filter screen on the swivel, two cavities are separated into to the filter screen intake antrum, water inlet and delivery port are in two cavities respectively, are fixed with the scraper on the cavity lateral wall at water inlet place, the scraper is close to the surface that the filter screen deviates from the delivery port, the water inlet is in on the cavity lateral wall of keeping away from the scraper.

Through adopting above-mentioned technical scheme, the water inlet is located one side at the filter screen, rivers that flow in from the water inlet can pass the filter screen nearby, make the filter screen be close to the position of water inlet one side and can receive bigger water pressure, the winding is also attached to the one side that the filter screen is close to the water inlet more easily, and the rotation through the filter screen, when the winding rotates scraper one side, the water pressure that receives on the winding reduces, the scraper can be more easily scrape the winding down, ensure that the filter screen can keep good water effect for a long time, thereby improve the stability of intaking.

Optionally, the middle part of the filter screen protrudes towards one side far away from the water outlet, and the cross section of the filter screen is arc-shaped.

Through adopting above-mentioned technical scheme, curved filter screen can increase the water area for when the winding is attached to the filter screen, can reduce the effect of sheltering from to whole filter screen.

Optionally, an annular sliding groove is formed in the inner wall of the pump body, the rotating ring is located in the sliding groove, and the end face, away from the water outlet, of the rotating ring is attached to the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, the cooperation of spout and change can reduce the direct possibility of avoiding the filter screen and flowing into the delivery port of external water, reduces the interference of aquatic impurity to pump body internal plant.

Optionally, the scraper is spirally arranged along the rotation direction of the rotating shaft.

Through adopting above-mentioned technical scheme, the scraper is when scraping the winding on the filter screen, and the winding can be along with the heliciform surface removal of scraper, avoids the winding to be blockked by the scraper and leads to the winding phenomenon appearance that the winding is amassed more.

Optionally, the scraper is provided with a plurality of through holes, and the through holes are used for water flow to pass through.

Through adopting above-mentioned technical scheme, the through-hole can reduce the surface area of scraper, reduces the scraper to blockking of rivers, reduces the impact of rivers to the scraper.

Optionally, the scraper is detachably connected to the pump body by a bolt.

Through adopting above-mentioned technical scheme, the scraper soaks in aqueous for a long time, and the texture of scraper is easy fragile, and in addition the scraper can take place the friction with the winding when the winding on the clearance filter screen, makes the blade wearing and tearing of scraper easily to increase the distance between scraper and the filter screen, for the guarantee to the cleaning efficiency of winding, need change the scraper.

Optionally, the bottom outer wall of the pump body is provided with support legs, the bottom inner wall of the pump body is provided with a containing groove, and a groove opening of the containing groove faces the scraper.

Through adopting above-mentioned technical scheme, the stabilizer blade is used for supporting the pump body, makes the notch of accomodating the groove to set up through the support of stabilizer blade, and the entanglement that the scraper scraped down from the filter screen can fall into to accomodate the groove when losing rivers and promoting, reduces the entanglement and is wrapped up by the rivers that flow in from the water inlet again and hold the possibility of assaulting the filter screen.

Optionally, the pump body includes bottom and main part, bottom detachably connects in the main part, the stabilizer blade all sets up on the bottom with accomodating the groove, scraper and filter screen setting are in the main part.

Through adopting above-mentioned technical scheme, after the immersible pump uses, dismantle the bottom from the main part and get off, can clear up the winding thing in accomodating the groove more conveniently, can also maintain filter screen, scraper simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating filter screen is arranged, so that the scraper can more conveniently remove the winding materials attached to the filter screen, and the water inlet efficiency of the water inlet cavity is ensured;

2. through setting up the detachable bottom, conveniently maintain filter screen, scraper, can clear up the winding thing that the scraper cleared away fast simultaneously.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial cross-sectional view of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a swivel according to an embodiment of the present application.

Description of reference numerals: 1. a pump body; 2. a bottom cover; 21. a receiving groove; 22. a support leg; 3. a main body; 31. a water inlet cavity; 32. a water inlet; 33. a water outlet; 34. a chute; 35. a sleeve; 4. a motor; 41. a rotating shaft; 5. rotating the ring; 51. an inner ring; 52. an outer ring; 53. a connecting rod; 6. a filter screen; 7. a scraper; 8. an impeller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a submersible pump. Referring to fig. 1, the submersible pump includes a pump body 1 and a motor 4, the pump body 1 includes a bottom cover 2 and a main body 3, and the bottom cover 2 is detachably coupled to the main body 3 by bolts. The end of the bottom cover 2 far away from the main body 3 is fixed with a support leg 22, and one end of the main body 3 facing the bottom cover 2 is provided with a water inlet cavity 31. The bottom center of the water inlet cavity 31 is provided with a water outlet 33, and the inner wall of the water inlet cavity 31 is provided with a water inlet 32. When the bottom cap 2 is covered on the main body 3, the bottom cap 2 blocks the opening of the water inlet chamber 31 so that the water inlet chamber 31 can communicate with the outside only through the water inlet 32. The motor 4 is fixed on one end of the main body 3 far away from the bottom cover 2, a rotating shaft 41 of the motor 4 penetrates into the water inlet cavity 31 through the water outlet 33, and an impeller 8 is installed on the rotating shaft 41 of the motor 4.

The integral submersible pump is placed in the water with the legs 22 facing downward, the legs 22 allow the water inlet 32 to have a larger distance from the water bottom, and sludge on the water bottom is lowered to enter the water inlet cavity 31 through the water inlet 32. When the motor 4 drives the impeller 8 to rotate, the impeller 8 discharges the water in the water inlet cavity 31 to the water outlet 33, so that the water inlet cavity 31 generates negative pressure, and the external water is pressed into the water inlet cavity 31 through the water inlet 32.

Referring to fig. 2 and 3, a rotating ring 5 is fixed on an end of the rotating shaft 41, the rotating ring 5 includes an inner ring 51, an outer ring 52 and a plurality of connecting rods 53, and two ends of the connecting rods 53 are respectively connected to the inner ring 51 and the outer ring 52. The inner ring 51 is sleeved on the rotating shaft 41, a bolt is connected to a side wall of the inner ring 51 through a thread, and the bolt on the inner ring 51 abuts against the side wall of the rotating shaft 41. The outer ring 52 of the swivel 5 has a diameter greater than the inner diameter of the inlet chamber 31. Therefore, the inner wall of the inlet chamber 31 is provided with an annular sliding groove 34, and the rotating ring 5 is positioned in the sliding groove 34. The side wall of the chute 34 away from the motor 4 is a sleeve 35, and the sleeve 35 is detachably mounted on the inner wall of the pump body 1. When the rotary ring 5 is installed, the sleeve 35 is detached from the pump body 1, the rotary ring 5 is sleeved on the rotating shaft 41 and slides into the sliding groove 34, then the sleeve 35 is installed on the pump body 1 again, and the end face of the sleeve 35, which is used as the side wall of the sliding groove 34, is in full contact with the end face of the rotary ring 5.

Referring to fig. 2 and 3, the filter screen 6 is installed on one side of the outer ring 52 away from the motor 4, the circumferential side wall of the filter screen 6 is distributed along the circumferential direction of the outer ring 52, and the middle part of the filter screen 6 protrudes towards one side away from the water outlet 33, so that the cross section of the filter screen 6 is arc-shaped. The main part 3 is kept away from and is connected with scraper 7 through bolt detachably on the inside wall of water inlet 32, and the cutting edge of scraper 7 is close to the surface that filter screen 6 deviates from delivery port 33, and scraper 7 is the spiral setting along the rotation direction of pivot 41. The scraper 7 is provided with a plurality of through holes for water flow to pass through. In order to match the scraper 7, the end surface of the bottom cover 2 facing the scraper 7 is provided with a receiving groove 21, and when the bottom cover 2 is placed on the ground through the support legs 22, the notch of the receiving groove 21 is positioned right below the scraper 7.

The implementation principle of a immersible pump of this application embodiment does: in use, the pump is submerged with the feet 22 facing downwards and at least ensuring that the impeller 8 is submerged. After the motor 4 is started, the rotating shaft 41 of the motor 4 drives the impeller 8 and the rotating ring 5 to rotate together, the impeller 8 pushes water in the water inlet cavity 31 to enter the water outlet 33, and external water is supplemented into the water inlet cavity 31 from the water inlet 32, so that water flowing through the filter screen 6 is formed in the water inlet cavity 31. The impurities or the winding matters with larger volume in the water flow are intercepted by the filter screen 6, and along with the rotation of the filter screen 6, the impurities or the winding matters contact the scraper 7, and the scraper 7 cleans the impurities or the winding matters from the filter screen 6. The dropped foreign materials or entanglement slowly fall into the receiving groove 21. After the submersible pump works, the staff opens the bottom cover 2 and then pours the impurities or the entanglement in the accommodating groove 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a submersible pump, includes the pump body (1) and motor (4), intake antrum (31) has been seted up to the bottom of the pump body (1), pivot (41) of motor (4) pass the pump body (1) and enter into intake antrum (31), water inlet (32) and delivery port (33), its characterized in that have been seted up on the inner wall of intake antrum (31): the coaxial change of being fixed with swivel (5) on pivot (41), install filter screen (6) on swivel (5), two cavities are separated into in filter screen (6) intake antrum (31), water inlet (32) and delivery port (33) are in two cavities respectively, are fixed with scraper (7) on the cavity lateral wall at water inlet (32) place, scraper (7) are close to the surface that filter screen (6) deviate from delivery port (33), water inlet (32) are in on the cavity lateral wall of keeping away from scraper (7).

2. The submersible pump of claim 1, wherein: the middle part of the filter screen (6) is protruded towards one side far away from the water outlet (33), and the cross section of the filter screen (6) is arc-shaped.

3. The submersible pump of claim 1, wherein: an annular sliding groove (34) is formed in the inner wall of the pump body (1), the rotating ring (5) is located in the sliding groove (34), and the end face, deviating from the water outlet (33), of the rotating ring (5) is attached to the inner wall of the sliding groove (34).

4. The submersible pump of claim 1, wherein: the scraper (7) is spirally arranged along the rotating direction of the rotating shaft (41).

5. The submersible pump of claim 1, wherein: the scraper (7) is provided with a plurality of through holes, and the through holes are used for water flow to pass through.

6. A submersible pump according to claim 5, wherein: the scraper (7) is detachably connected to the pump body (1) through a bolt.

7. The submersible pump of claim 1, wherein: be equipped with on the bottom outer wall of the pump body (1) stabilizer blade (22), seted up on the bottom inner wall of the pump body (1) and accomodate groove (21), the notch of accomodating groove (21) is towards scraper (7).

8. The submersible pump of claim 7, wherein: the pump body (1) comprises a bottom cover (2) and a main body (3), the bottom cover (2) is detachably connected to the main body (3), the support legs (22) and the accommodating grooves (21) are arranged on the bottom cover (2), and the scraper (7) and the filter screen (6) are arranged on the main body (3).