CN214499579U

CN214499579U - Frequency conversion centrifugal pump with filtering mechanism

Info

Publication number: CN214499579U
Application number: CN202022406178.XU
Authority: CN
Inventors: 钟海波
Original assignee: Weile New Energy Technology Co ltd
Current assignee: Weile New Energy Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-10-26
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a variable frequency centrifugal pump with filter mechanism belongs to the centrifugal pump field, including the bottom plate, the upper surface of bottom plate is connected with the cushion certainly, the upper surface fixed connection of cushion has the rose box, and the left surface fixed intercommunication of rose box has the inlet tube, and the right side fixed intercommunication of rose box has the stagnant water valve, and the upper surface fixed connection of bottom plate has the variable frequency centrifugal pump, and the right side of stagnant water valve and the input of variable frequency centrifugal pump are fixed to be communicated, and the upper surface fixed intercommunication of variable frequency centrifugal pump has the outlet pipe, and the inner bottom wall fixed connection of rose box has first fixture block and second fixture block; through being equipped with limbers, hindering piece, threaded rod and screw hole and can making rivers reverse to wash the filter screen, clear up the impurity on the filter screen, saved staff's time, reduced staff's work load, through mutually supporting of baffle and elasticity spring, prevent the rivers diversion, better messenger's impurity flows through drain pipe and blowoff valve.

Description

Frequency conversion centrifugal pump with filtering mechanism

Technical Field

The utility model belongs to the technical field of the centrifugal pump, concretely relates to frequency conversion centrifugal pump with filtering mechanism.

Background

The centrifugal pump is used for conveying liquid by means of centrifugal force generated when an impeller rotates, the centrifugal pump works by utilizing the rotation of the impeller to enable water to generate centrifugal motion, before a water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, the pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute pump shell, the centrifugal pump is multiple and various in types, the frequency conversion centrifugal pump is commonly used, a filter screen can be used for protecting the frequency conversion centrifugal pump, the conventional frequency conversion centrifugal pump is complex in filter screen replacement steps, the filter screen is inconvenient to clean and replace, the workload of workers is increased, and therefore the frequency conversion centrifugal pump with a filter mechanism is provided for solving the problems.

Disclosure of Invention

An object of the utility model is to provide a frequency conversion centrifugal pump with filtering mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a variable-frequency centrifugal pump with a filtering mechanism comprises a base plate, wherein a cushion block is fixedly connected to the upper surface of the base plate, a filtering box is fixedly connected to the upper surface of the cushion block, a water inlet pipe is fixedly communicated with the left side surface of the filtering box, a water stop valve is fixedly communicated with the right side surface of the filtering box, the variable-frequency centrifugal pump is fixedly connected to the upper surface of the base plate, the right side surface of the water stop valve is fixedly communicated with the input end of the variable-frequency centrifugal pump, a water outlet pipe is fixedly communicated with the upper surface of the variable-frequency centrifugal pump, a first clamping block and a second clamping block are fixedly connected to the inner bottom wall of the filtering box, a filtering net is clamped and connected to the front surface of the first clamping block and the back surface of the second clamping block together, a baffle is fixedly hinged to the left side surface of the second clamping block, an elastic spring is fixedly connected to the back surface of the baffle, and one end, far away from the baffle, of the elastic spring is fixedly connected to the left side surface of the second clamping block, the inner side wall of the filter box is fixedly connected with a baffle plate, the back face of the baffle plate is fixedly connected with the front face of the second clamping block, a water through hole is formed in the right side face of the baffle plate, a threaded hole is formed in the outer surface of the filter box, a threaded rod is connected to the inner wall of the threaded hole in a threaded mode, the left end of the threaded rod is fixedly connected with the baffle block, the outer surface of the filter box is fixedly communicated with a drain pipe, one end, far away from the filter box, of the drain pipe is fixedly communicated with a drain valve, and the inner wall of the filter box is connected with a sealing cover in a threaded mode.

In a preferred embodiment, a sealing ring is fixedly connected to the upper surface of the filter box, and the upper surface of the sealing ring is in contact with the bottom surface of the sealing cover.

In a preferred embodiment, a sign is fixedly connected to the front face of the filter box, and the sign is rectangular.

In a preferred embodiment, a knob is fixedly connected to the upper surface of the sealing cover, and a rotating ring is fixedly connected to the outer surface of the knob.

As a preferred embodiment, a twisting block is fixedly connected to the right end of the threaded rod, and anti-skid grains are formed on the outer surface of the twisting block.

As a preferred embodiment, a handle is fixedly connected to the right side surface of the filter screen, and a protective sleeve is sleeved on the outer surface of the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the variable-frequency centrifugal pump with the filtering mechanism, the filter screen is arranged, impurities in water flow can be filtered through the filter screen, the variable-frequency centrifugal pump is protected, the variable-frequency centrifugal pump is prevented from being damaged, the service life of the centrifugal pump is prolonged, the water flow can be reversely flushed towards the filter screen through the arrangement of the water through holes, the blocking blocks, the threaded rods and the threaded holes, the impurities on the filter screen are cleaned, the time of workers is saved, and the workload of the workers is reduced;

this frequency conversion centrifugal pump with filter mechanism, through mutually supporting of baffle and elasticity spring, prevent the rivers diversion, control action has to rivers, prevent that water from taking place the refluence, better messenger's impurity flows through drain pipe and blowoff valve, setting through the stagnant water valve, play the effect of blocking to rivers, prevent that rivers from flowing to frequency conversion centrifugal pump direction when wasing the filter screen, can be better clear up the filter screen, make the cleaner of filter screen clearance, make sealed lid and rose box phase separation through rotatory sealed lid, make things convenient for the change of staff to the filter screen, and the operation is simple, and the work efficiency of staff is improved.

Drawings

FIG. 1 is a cross-sectional view of the front view of the filtering box of the present invention;

FIG. 2 is a cross-sectional view of a top view of the filtering box of the present invention;

FIG. 3 is a top view of the filtering box of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. a variable frequency centrifugal pump; 3. a water outlet pipe; 4. a sealing cover; 5. rotating a handle; 6. a second fixture block; 7. a water through hole; 8. a water inlet pipe; 9. a filter box; 10. cushion blocks; 11. a label; 12. a water stop valve; 13. a blowoff valve; 14. a drain pipe; 15. a baffle plate; 16. blocking the plate; 17. blocking; 18. a threaded hole; 19. twisting the block; 20. a threaded rod; 21. a first clamping block; 22. a carrying handle; 23. a protective sleeve; 24. a filter screen; 25. an elastic spring; 26. a seal ring; 27. rotating a ring; 28. and (4) anti-skid lines.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-4, the utility model provides a frequency conversion centrifugal pump with filter mechanism, including bottom plate 1, bottom plate 1's upper surface is connected with cushion 10 surely, and the last fixed surface of cushion 10 is connected with rose box 9, the positive fixedly connected with sign 11 of rose box 9, sign 11 is rectangle, can make things convenient for buyer's purchase to the understanding more of this product through sign 11, and the left fixed surface of rose box 9 communicates has inlet tube 8, and the right fixed surface of rose box 9 communicates has stagnant water valve 12, and the last fixed surface of bottom plate 1 is connected with frequency conversion centrifugal pump 2, and the right flank of stagnant water valve 12 communicates with the input of frequency conversion centrifugal pump 2 is fixed, and the last fixed surface of frequency conversion centrifugal pump 2 communicates has outlet pipe 3.

First fixture block 21 of inner diapire fixedly connected with and second fixture block 6 of rose box 9, the front of first fixture block 21 and the common joint in the back of second fixture block 6 have filter screen 24, the right flank fixedly connected with carrying handle 22 of filter screen 24, the surface cover of carrying handle 22 is equipped with protective sheath 23, provide the impetus for the staff through carrying handle 22 and protective sheath 23, make things convenient for the staff to the change of filter screen 24, the fixed articulated baffle 15 that has of left surface of second fixture block 6, the back fixedly connected with elasticity spring 25 of baffle 15, the one end that baffle 15 was kept away from to elasticity spring 25 and the left surface fixed connection of second fixture block 6.

The inner side wall of the filter box 9 is fixedly connected with a baffle plate 16, the back surface of the baffle plate 16 is fixedly connected with the front surface of the second fixture block 6, the right side surface of the baffle plate 16 is provided with a water through hole 7, the outer surface of the filter box 9 is provided with a threaded hole 18, the inner wall of the threaded hole 18 is in threaded connection with a threaded rod 20, the right end of the threaded rod 20 is fixedly connected with a twisting block 19, the outer surface of the twisting block 19 is provided with anti-skid veins 28, physical strength of workers is saved through the mutual matching of the twisting block 19 and the anti-skid veins 28, so that the workers can more quickly seal the water through hole 7, the left end of the threaded rod 20 is fixedly connected with a baffle block 17, the outer surface of the filter box 9 is fixedly communicated with a drain pipe 14, one end of the drain pipe 14, far away from the filter box 9, is fixedly communicated with a drain valve 13, the inner wall of the filter box 9 is in threaded connection with a sealing cover 4, the upper surface of the sealing cover 4 is fixedly connected with a knob 5, and the outer surface of the knob 5 is fixedly connected with a rotary ring 27, make things convenient for the staff to exert the effort to sealed lid 4 through mutually supporting of revolving handle 5 and swivel 27, for the staff saves physical power, the last fixed surface of rose box 9 is connected with sealing ring 26, and the upper surface of sealing ring 26 contacts with the bottom surface of sealed lid 4, seals up the gap between rose box 9 and the sealed lid 4 through sealing ring 26, prevents that rose box 9 from taking place the phenomenon of leaking.

The utility model discloses a theory of operation and use flow: firstly, the variable frequency centrifugal pump 2 is communicated with a power supply, a threaded rod 20 is rotated to enable a block 17 to be in close contact with a water through hole 7, the water through hole 7 is blocked, a water stop valve 12 is opened, water flow is conveyed to the inside of a filter box 9 through a water inlet pipe 8, the impulsive force of the water flow exerts an acting force on a baffle 15, the baffle 15 is rotated selectively to enable the water flow to pass through, the water flow is filtered by a filter screen 24 and passes through the water stop valve 12, so that the refined water of the variable frequency centrifugal pump 2 flows out of a water outlet pipe 3, when the filter screen 24 needs to be filtered, the water stop valve 12 is closed, a blow-down valve 13 is opened, then the threaded rod 20 is rotated to enable the block 17 to be far away from the water through hole 7, the impact force of the water flow is reduced, an elastic spring 25 drives the baffle 15 to rotate to block the water, the water flow through a threaded hole 18, the filter screen 24 is washed, the filter screen 24 is flushed, and is discharged from the blow-down valve 13 and a drain pipe 14, when the filter screen 24 needs to be replaced, the rotary knob 5 drives the sealing cover 4 to rotate, so that the sealing cover 4 is screwed out to replace the filter screen 24.

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

Claims

1. The utility model provides a frequency conversion centrifugal pump with filtering mechanism, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a cushion block (10), the upper surface of the cushion block (10) is fixedly connected with a filter box (9), the left side surface of the filter box (9) is fixedly communicated with a water inlet pipe (8), the right side surface of the filter box (9) is fixedly communicated with a water stop valve (12), the upper surface of the bottom plate (1) is fixedly connected with a variable frequency centrifugal pump (2), the right side surface of the water stop valve (12) is fixedly communicated with the input end of the variable frequency centrifugal pump (2), the upper surface of the variable frequency centrifugal pump (2) is fixedly communicated with a water outlet pipe (3), the inner bottom wall of the filter box (9) is fixedly connected with a first clamping block (21) and a second clamping block (6), the front surface of the first clamping block (21) and the back surface of the second clamping block (6) are jointly clamped with a filter screen (24), and the left side surface of the second clamping block (6) is fixedly hinged with a baffle (15), the back surface of the baffle plate (15) is fixedly connected with an elastic spring (25), one end of the elastic spring (25) far away from the baffle plate (15) is fixedly connected with the left side surface of the second clamping block (6), the inner side wall of the filter box (9) is fixedly connected with a baffle plate (16), the back surface of the baffle plate (16) is fixedly connected with the front surface of the second clamping block (6), a water through hole (7) is arranged on the right side surface of the baffle plate (16), a threaded hole (18) is arranged on the outer surface of the filter box (9), the inner wall of the threaded hole (18) is connected with a threaded rod (20) in a threaded manner, the left end of the threaded rod (20) is fixedly connected with a stop block (17), the outer surface of the filter box (9) is fixedly communicated with a drain pipe (14), one end, far away from the filter box (9), of the drain pipe (14) is fixedly communicated with a drain valve (13), and the inner wall of the filter box (9) is in threaded connection with a sealing cover (4).

2. The variable frequency centrifugal pump with filter mechanism of claim 1, wherein: the upper surface of the filter box (9) is fixedly connected with a sealing ring (26), and the upper surface of the sealing ring (26) is in contact with the bottom surface of the sealing cover (4).

3. The variable frequency centrifugal pump with filter mechanism of claim 1, wherein: the front face of the filter box (9) is fixedly connected with a label (11), and the label (11) is rectangular.

4. The variable frequency centrifugal pump with filter mechanism of claim 1, wherein: the upper surface of the sealing cover (4) is fixedly connected with a rotating handle (5), and the outer surface of the rotating handle (5) is fixedly connected with a rotating ring (27).

5. The variable frequency centrifugal pump with filter mechanism of claim 1, wherein: the right end fixedly connected with of threaded rod (20) turns round piece (19), turn round the surface of piece (19) and seted up anti-skidding line (28).

6. The variable frequency centrifugal pump with filter mechanism of claim 1, wherein: the right flank fixedly connected with carrying handle (22) of filter screen (24), the surface cover of carrying handle (22) is equipped with protective sheath (23).