CN218093457U

CN218093457U - Corrosion-resistant centrifugal pump

Info

Publication number: CN218093457U
Application number: CN202221397779.1U
Authority: CN
Inventors: 刘才亮
Original assignee: Qingdao Furuichi Technology Co ltd
Current assignee: Qingdao Furuichi Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-20
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a corrosion-resistant centrifugal pump, which comprises a pump body and an impeller, wherein the impeller is arranged in the pump body, the left end of the pump body is communicated with a water inlet pipe, the inside of the pump body is sequentially fixed with a first filter screen and a second filter screen through bolts from left to right, an inner cleaning plate is arranged at the upper end between the inner sides of the first filter screen and the second filter screen, the upper left end of the first filter screen and the upper right end of the second filter screen are both provided with an outer cleaning plate, the left end and the right end of the inner cleaning plate and the inner end of the outer cleaning plate are both connected with a plurality of soft hair barbs, and a pushing assembly is arranged above the water inlet pipe; the utility model discloses a clearance board and outer clearance board in setting up, then through promoting the subassembly and drive in clearance board and outer clearance board down remove, the two sides of consequently being convenient for on through interior clearance board and outer clearance board fluff barb to first filter screen and second filter screen carries out comprehensive clearance, has guaranteed the clearance effect to first filter screen and second filter screen.

Description

Corrosion-resistant centrifugal pump

Technical Field

The utility model belongs to the technical field of the centrifugal pump technique and specifically relates to a corrosion-resistant centrifugal pump is related to.

Background

The centrifugal pump is a pump for conveying liquid by the centrifugal force generated when an impeller rotates, and has various forms such as vertical type, horizontal type, single stage, multi-stage, single suction, double suction, self suction and the like;

for example, the chinese patent application No. 202020824749.9 discloses a corrosion-resistant centrifugal pump, which comprises a pump body, wherein a first water inlet is formed at one side of the pump body, a filter box is arranged at the first water inlet, and an overflow groove is formed inside the filter box; the utility model discloses an utilize first filter screen to filter to first collecting vat in to bigger intrinsic particle, utilize the second filter screen to filter to the less granule, after the pump body stops working, utilize the handle to drive the cleaning ring and rotate, thereby utilize the barb to hook some fiber products and tiny particle attached to the second filter screen and fall to the top of second collecting vat, then clean through opening the end cap, can dismantle the cleaning ring through the cooperation of dismantling groove and dismantlement piece to the granule rubbish attached to the barb simultaneously, the effectual granule rubbish that has avoided some aquatic gets into the inside of the pump body, thereby cause the injury to the impeller;

but the utility model discloses still exist following not enoughly, because clean circle is circular form, and the filter screen is the platelike usually, when clean circle drives the barb and rotates and down remove, consequently the area of contact of barb and filter screen is very limited, leads to the barb to be comprehensive inadequately to the cleanness of filter screen, can only clear up the single face of filter screen moreover, leads to the cleaning effect to the filter screen not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a corrosion-resistant centrifugal pump does benefit to the clearance comprehensiveness and the clearance effect that promote the filter screen.

In order to solve the prior art problem, the utility model discloses a corrosion-resistant centrifugal pump, which comprises a pump body and an impeller, wherein the impeller is arranged in the pump body;

the left end of the pump body is communicated with a water inlet pipe, a first filter screen and a second filter screen are sequentially fixed in the pump body from left to right through bolts, an inner cleaning plate is arranged at the upper end between the inner sides of the first filter screen and the second filter screen, outer cleaning plates are arranged at the upper left end of the first filter screen and the upper right end of the second filter screen, a plurality of soft hair barbs are connected to the left end and the right end of the inner cleaning plate and the inner end of each outer cleaning plate, and a pushing assembly is arranged above the water inlet pipe;

and a sewage discharge assembly is arranged below the inner cleaning plate.

More, the promotion subassembly includes slurcam, threaded rod and catch bar, the slurcam is located the inlet tube top, the threaded rod down rotates to run through the slurcam, the lower extreme screw thread of threaded rod runs through into the inlet tube and with interior clearance board upper end meets.

More, the catch bar is equipped with two altogether and is fixed in respectively catch plate lower extreme both sides, the catch bar lower extreme all slides and runs through into the inlet tube all with the homonymy outer cleaning plate upper end meets.

More preferably, the upper end of the inner cleaning plate is connected with a first sealing ring sleeved on the periphery of the threaded rod, and the upper end of the outer cleaning plate is connected with a second sealing ring sleeved on the periphery of the push rod.

More, the blowdown subassembly includes closing plate, connecting rod and outer seal circle, the inlet tube lower extreme is opened there is the drain that is located first filter screen and second filter screen below, the closing plate lid in the drain lower extreme.

More preferably, the connecting rod is fixed between the upper end of the sealing plate and the lower end of the inner cleaning plate, and the outer sealing ring is connected to the periphery of the sealing plate and abuts against the lower end of the water inlet pipe.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

1. by arranging the inner cleaning plate and the outer cleaning plate and driving the inner cleaning plate and the outer cleaning plate to move downwards through the pushing assembly, the two sides of the first filter screen and the second filter screen are conveniently and comprehensively cleaned through the soft hair barbs on the inner cleaning plate and the outer cleaning plate, and the cleaning effect on the first filter screen and the second filter screen is ensured;

2. through setting up the blowdown subassembly, when first filter screen and second filter screen at the in-process of clearance, the closing plate can be opened at the drain lower extreme simultaneously to impurity that can convenient and fast will clear up the production passes through the drain discharge inlet tube.

Drawings

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

FIG. 2 is a schematic view of a partially enlarged structure A of the present invention;

FIG. 3 is a schematic top view of the inner cleaning plate of the present invention;

FIG. 4 is a schematic top view of the outer cleaning plate of the present invention;

fig. 5 is a schematic view of a local enlarged structure B of the present invention.

In FIGS. 1-5: the pump body 1, impeller 2, inlet tube 3, first filter screen 4, second filter screen 5, closing plate 6, first sealing washer 7, threaded rod 8, catch plate 9, catch bar 10, interior clearance board 11, outer clearance board 12, connecting rod 13, outer seal ring 14, soft hair barb 15, second sealing washer 16, drain 17.

Detailed Description

A corrosion-resistant centrifugal pump:

as shown in fig. 1, in the present embodiment, the filter device includes a pump body 1 and an impeller 2, the impeller 2 is installed in the pump body 1, the left end of the pump body 1 is communicated with a water inlet pipe 3, and a first filter screen 4 and a second filter screen 5 are fixed inside the pump body 1 sequentially from left to right through bolts;

when water enters the pump body 1 through the water inlet pipe 3, the first filter screen 4 is favorable for preliminarily filtering the particle impurities in the water, and the second filter screen 5 is used for filtering the particle impurities in the water again, so that the damage of the particle impurities in the water to the impeller 2 can be reduced, and the service life of the impeller 2 is ensured.

As shown in fig. 1-4, in this embodiment, an inner cleaning plate 11 is disposed at an upper end between inner sides of the first filter screen 4 and the second filter screen 5, an outer cleaning plate 12 is disposed at an upper left end of the first filter screen 4 and an upper right end of the second filter screen 5, a plurality of soft hair barbs 15 are connected to each of a left end of the inner cleaning plate 11 and an inner end of the outer cleaning plate 12, a pushing assembly is disposed above the water inlet pipe 3, the pushing assembly includes a pushing plate 9, a threaded rod 8 and a pushing rod 10, the pushing plate 9 is disposed above the water inlet pipe 3, the threaded rod 8 rotates downward to penetrate through the pushing plate 9, a lower end of the threaded rod 8 penetrates through the water inlet pipe 3 and is connected to an upper end of the inner cleaning plate 11, the two pushing rods 10 are respectively fixed to two sides of a lower end of the pushing plate 9, and lower ends of the pushing rods 10 penetrate through the water inlet pipe 3 in a sliding manner and are connected to upper ends of the outer cleaning plates 12 on the same side;

when first filter screen 4 and second filter screen 5 need be cleared up, twist threaded rod 8 and drive interior clearance board 11 and move down in toward inlet tube 3, and threaded rod 8 can drive kickboard 9 and move down, kickboard 9 can drive two kickboards 10 and promote two outer clearance boards 12 down together simultaneously, set the initial condition of fluff barb 15 to be with first filter screen 4 and the contact of second filter screen 5, consequently be convenient for carry out comprehensive clearance through the fluff barb 15 on interior clearance board 11 and the outer clearance board 12 to first filter screen 4 and the two sides of second filter screen 5, the clearance effect to first filter screen 4 and second filter screen 5 has been guaranteed.

As shown in fig. 1 and 5, in this embodiment, a sewage draining assembly is arranged below the inner cleaning plate 11, the sewage draining assembly includes a sealing plate 6, a connecting rod 13 and an outer sealing ring 14, a sewage draining outlet 17 is formed at the lower end of the water inlet pipe 3 and is located below the first filter screen 4 and the second filter screen 5, the sealing plate 6 covers the lower end of the sewage draining outlet 17, the connecting rod 13 is fixed between the upper end of the sealing plate 6 and the lower end of the inner cleaning plate 11, and the outer sealing ring 14 is connected to the periphery of the sealing plate 6 and abuts against the lower end of the water inlet pipe 3;

when first filter screen 4 and second filter screen 5 are at the in-process of clearance, and interior cleaning plate 11 is at the in-process that moves down, and interior cleaning plate 11 can drive closing plate 6 through connecting rod 13 and move down, and closing plate 6 can be opened at 17 lower extremes of drain this moment to impurity that can convenient and fast will clear up the production passes through drain 17 discharge inlet tube 3.

As shown in fig. 1, 2 and 5, in this embodiment, a drain outlet 17 located below the first filter screen 4 and the second filter screen 5 is formed at the lower end of the water inlet pipe 3, the sealing plate 6 covers the lower end of the drain outlet 17, the connecting rod 13 is fixed between the upper end of the sealing plate 6 and the lower end of the inner cleaning plate 11, and the outer sealing ring 14 is connected to the periphery of the sealing plate 6 and abuts against the lower end of the water inlet pipe 3;

after first filter screen 4 and the clearance of second filter screen 5 finish, upwards twist threaded rod 8 again and drive slurcam 9, catch bar 10, interior cleaning plate 11, outer cleaning plate 12, fluff barb 15 and blowdown subassembly and shift up together and reset, when closing plate 6 lid in drain 17, outer seal ring 14 can support in inlet tube 3 lower extreme this moment to prevent that water from spilling from the accident of drain 17, guaranteed the sealing performance to drain 17.

As shown in fig. 1 and 2, in this embodiment, the upper end of the inner cleaning plate 11 is connected to a first sealing ring 7 sleeved on the periphery of the threaded rod 8, and the upper end of the outer cleaning plate 12 is connected to a second sealing ring 16 sleeved on the periphery of the push rod 10;

when the sealing plate 6 covers the sewage draining outlet 17, the first sealing ring 7 and the second sealing ring 16 can abut against the inner top end of the water inlet pipe 3, the first sealing ring 7 can be sealed at the joint of the threaded rod 8 and the water inlet pipe 3 to prevent water from leaking from the joint of the threaded rod 8 and the water inlet pipe 3, the second sealing ring 16 can be sealed at the joint of the push rod 10 and the water inlet pipe 3 to prevent water from leaking from the joint of the push rod 10 and the water inlet pipe 3, and the first sealing ring 7, the second sealing ring 16 and the outer sealing ring 14 are made of fluororubber, so that the first sealing ring 7, the second sealing ring 16 and the outer sealing ring 14 are ensured to have corrosion resistance and long service life, and in conclusion, the sealing performance of the water inlet pipe 3 is ensured to prevent the water inlet pipe 3 from leaking, and normal water conveying into the pump body 1 through the water inlet pipe 3 is facilitated.

Claims

1. A corrosion-resistant centrifugal pump comprising a pump body (1) and an impeller (2), said impeller (2) being mounted in said pump body (1), characterized in that:

the left end of the pump body (1) is communicated with a water inlet pipe (3), a first filter screen (4) and a second filter screen (5) are sequentially fixed in the pump body (1) from left to right through bolts, an inner cleaning plate (11) is arranged at the upper end between the inner sides of the first filter screen (4) and the second filter screen (5), outer cleaning plates (12) are arranged at the upper left end of the first filter screen (4) and the upper right end of the second filter screen (5), a plurality of soft hair barbs (15) are connected to the left end of the inner cleaning plate (11) and the inner end of the outer cleaning plate (12), and a pushing assembly is arranged above the water inlet pipe (3);

a sewage discharge assembly is arranged below the inner cleaning plate (11).

2. A corrosion-resistant centrifugal pump according to claim 1, wherein: the promotion subassembly includes slurcam (9), threaded rod (8) and catch bar (10), slurcam (9) are located inlet tube (3) top, threaded rod (8) down rotate run through slurcam (9), threaded rod (8) lower extreme screw thread runs through into inlet tube (3) and with interior clearance board (11) upper end meets.

3. A corrosion-resistant centrifugal pump according to claim 2, wherein: push rod (10) are equipped with two altogether and are fixed in respectively push plate (9) lower extreme both sides, push rod (10) lower extreme all slides and runs through into inlet tube (3) and all with the homonymy outer cleaning plate (12) upper end meets.

4. A corrosion-resistant centrifugal pump according to claim 3, wherein: the upper end of the inner cleaning plate (11) is connected with a first sealing ring (7) which is sleeved on the periphery of the threaded rod (8), and the upper end of the outer cleaning plate (12) is connected with a second sealing ring (16) which is sleeved on the periphery of the push rod (10).

5. A corrosion-resistant centrifugal pump according to claim 1, wherein: the blowdown subassembly includes closing plate (6), connecting rod (13) and outer seal ring (14), inlet tube (3) lower extreme is opened there is being located drain (17) of first filter screen (4) and second filter screen (5) below, closing plate (6) lid in drain (17) lower extreme.

6. A corrosion-resistant centrifugal pump according to claim 5, wherein: the connecting rod (13) is fixed between the upper end of the sealing plate (6) and the lower end of the inner cleaning plate (11), and the outer sealing ring (14) is connected to the periphery of the sealing plate (6) and abuts against the lower end of the water inlet pipe (3).