CN214837419U

CN214837419U - Vertical bipolar centrifugal pump with filtering capability

Info

Publication number: CN214837419U
Application number: CN202121011771.2U
Authority: CN
Inventors: 陈平
Original assignee: Lvmei Pump Industry Co Ltd
Current assignee: Lvmei Pump Industry Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-23
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses a vertical bipolar centrifugal pump with filtering function, which solves the problems that the centrifugal pump in the current market can not well filter moisture in the process of pumping water, so that a large amount of impurities enter the inside of the centrifugal pump to cause serious internal blockage, and the pumping efficiency can be slowly reduced, and the traditional centrifugal pump can continuously generate vibration and noise along with the operation of the centrifugal pump in the working process, and comprises a bipolar centrifugal pump main body, wherein a fixed block is fixedly arranged at the bottom of the bipolar centrifugal pump main body, a rotating blade is fixedly arranged at one end of the output end of the bipolar centrifugal pump main body, one side of the fixed block is fixedly connected with an installation block, a connector is movably arranged at one side of the installation block, the utility model has good filtering performance, and can filter magazines for the water flow entering the inside of a pump body, good noise reduction and shock absorption performance and low noise.

Description

Vertical bipolar centrifugal pump with filtering capability

Technical Field

The utility model belongs to the technical field of the centrifugal pump, specifically be a vertical bipolar centrifugal pump with filtering capability.

Background

The vertical centrifugal pump has the main control parameters of flow Q, lift H, efficiency eta, power, rotation speed n, work pressure, required cavitation balance (NPSH), etc. the mechanical energy of the prime motor is transferred to liquid under the action of the rotating impeller, the speed and pressure of the liquid are increased during the process of flowing from the impeller inlet to the outlet, the liquid is pressed into the impeller inlet under the action of liquid level pressure/atmospheric pressure, so that the rotating impeller sucks and discharges the liquid continuously, and is suitable for industrial and urban water supply and drainage, pressurized water delivery and garden sprinkling irrigation, fire fighting pressurization, long-distance transportation and heating, ventilation and refrigeration circulation.

However, the centrifugal pump in the market at present cannot well filter water in the process of pumping water, so that a large amount of impurities enter the centrifugal pump, the impurities on a filter screen are accumulated, the problem of serious internal blockage is caused, and the water pumping efficiency is slowly reduced; in addition, in the working process of the traditional centrifugal pump, vibration and noise are generated continuously along with the operation of the centrifugal pump, and the mechanical vibration caused by a motor and the air noise caused by the vibration of the motor are difficult to solve.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a vertical bipolar centrifugal pump with filtering capability, the effectual centrifugal pump that has solved on the existing market filters moisture that the in-process of pressurized-water can not be fine, and then makes inside a large amount of impurity entering centrifugal pump, causes the serious problem of inside jam, leads to pumping efficiency can slowly reduce, and traditional centrifugal pump is in the course of the work, along with the operation of centrifugal pump, can incessantly produce the problem of vibrations and noise.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical bipolar centrifugal pump with a filtering function comprises a bipolar centrifugal pump main body, wherein a fixed block is fixedly mounted at the bottom of the bipolar centrifugal pump main body, a rotating blade is fixedly mounted at one end of the output end of the bipolar centrifugal pump main body, an installation block is fixedly connected to one side of the fixed block, a connector is movably mounted at one side of the installation block, a first filter screen is fixedly mounted inside the connector, a movable disc is fixedly mounted inside the connector, the first filter screen is positioned on one side of the movable disc, a rotating disc is movably mounted on one side of the movable disc, a limiting block is fixedly mounted at the top of the installation block, a limiting bolt is connected to the inner thread of the limiting block, and a second filter screen is fixedly mounted inside the installation block;

the bottom fixedly connected with connecting plate of fixed block, the outside movable mounting of connecting plate has the buffer block, the bottom fixedly connected with buffer board of connecting plate, the bottom movable mounting of buffer board has the floating spring, one side fixedly connected with slider of buffer board, the bottom fixedly connected with bottom plate of buffer block, fixing bolt has been cup jointed to the internal thread of bottom plate.

Preferably, the movable disc and the rotating disc are arranged in parallel, and through holes are formed in the movable disc and the rotating disc.

Preferably, the inside of installation piece is provided with filtering area and workspace through No. two filter screens, and filtering area and workspace are the setting of staggering.

Preferably, the limiting holes are formed in the limiting block and the end of the rotating disc, and the size of the limiting block is matched with the limiting bolt.

Preferably, a sliding groove is formed in one side of the inner cavity of the buffer block and is matched with the sliding block.

Preferably, the outer part of the fixing bolt and the inner part of the bottom plate are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt is matched with the internal thread of the bottom plate.

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

1) during operation, through the first filter screen, the movable disc, the rotating disc and the second filter screen, when water flows through the connector, the first filter screen is used for carrying out first-step filtration and impurity removal to remove impurities with larger volume, the water flows entering the mounting block pass through the second filter screen under the action of suction force generated by the rotating blades for further filtration to remove smaller solid impurities in the water flows, the finally filtered water flows enter the bipolar centrifugal pump main body from the working area, the impurities left by filtration can be left in the filtering area, and the filtering area and the smaller impurities on the second filter screen can be cleaned after the connector is taken down, so that the problem that a large amount of impurities enter the inside of the centrifugal pump to cause serious internal blockage and the problem that the water pumping efficiency can be slowly reduced is solved;

2) the utility model discloses a centrifugal pump, including buffer block, slider, floating spring and buffer plate, when the centrifugal pump produced vibrations, can drive connecting plate and buffer plate and reciprocate, can compress floating spring, make floating spring produce a reverse motion trend, make the slider remove in the spout of buffer block inner chamber one side, and then alleviate the vibrations that the centrifugal pump produced, reduce the noise that produces because of vibrations, avoided following the operation of centrifugal pump, can incessantly produce the problem of vibrations and noise.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a partial schematic view of the structure of the present invention;

in the figure: 1. a bipolar centrifugal pump body; 2. a rotating blade; 3. a fixed block; 4. mounting blocks; 5. a connector; 6. a first filter screen; 7. a movable tray; 8. rotating the disc; 9. a limiting block; 10. a limit bolt; 11. a second filter screen; 12. a filtration zone; 13. a working area; 14. a connecting plate; 15. a buffer block; 16. A slider; 17. a movable spring; 18. fixing the bolt; 19. a base plate; 20. a buffer 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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the embodiment, given by fig. 1-3, the utility model discloses a bipolar centrifugal pump main part 1, the bottom fixed mounting of bipolar centrifugal pump main part 1 has fixed block 3, the one end fixed mounting of bipolar centrifugal pump main part 1 output has rotating vane 2, one side fixed connection of fixed block 3 has installation piece 4, one side movable mounting of installation piece 4 has connector 5, the inside fixed mounting of connector 5 has filter screen 6 No. one, the inside fixed mounting that connector 5 is located filter screen 6 one side has movable disc 7, one side movable mounting of movable disc 7 has rolling disc 8, the top fixed mounting of installation piece 4 has stopper 9, the inside threaded connection of stopper 9 has stop bolt 10, the inside fixed mounting of installation piece 4 has filter screen 11 No. two;

the bottom fixedly connected with connecting plate 14 of fixed block 3, the outside movable mounting of connecting plate 14 has buffer block 15, the bottom fixedly connected with buffer plate 20 of connecting plate 14, the bottom movable mounting of buffer plate 20 has movable spring 17, one side fixedly connected with slider 16 of buffer plate 20, the bottom fixedly connected with bottom plate 19 of buffer block 15, fixing bolt 18 has been cup jointed to the internal thread of bottom plate 19.

The movable disc 7 and the rotating disc 8 are arranged in parallel, and through holes are formed in the movable disc 7 and the rotating disc 8; when rivers get into 5 insides of connector, filter screen 6 carries out the first step and filters the edulcoration, detach the impurity of great volume, rotatory rolling disc 8, the coincidence condition of the inside through-hole of control activity dish 7 and rolling disc 8 reduces the coincidence of activity dish 7 and rolling disc 8 through-hole and can prevent great solid rubbish to get into the inside of installation piece 4, selects

activity dish

7 and 8 through-hole coincidence rates of rolling disc to adjust the effect of filtering impurity according to actual conditions.

Wherein, the inside of the mounting block 4 is provided with a filtering area 12 and a working area 13 through a second filter screen 11, and the filtering area 12 and the working area 13 are arranged in a staggered way; get into the inside rivers of installation piece 4 under the suction effect that rotating vane 2 produced, rivers pass through No. two filter screens 11, further filter, detach less solid impurity in the rivers, rivers after filtering at last get into bipolar centrifugal pump main part 1 from workspace 13, the impurity that the filtration was left can be stayed filtering area 12, the majority carries out rivers and filters, the filter effect has been increased, avoid inside a large amount of impurity entering centrifugal pump, cause the serious problem of inside jam, lead to the problem that efficiency of drawing water can slowly reduce.

Wherein, the inside of the limited block 9 and the end of the rotating disc 8 are both provided with limited holes, and the size of the limited block 9 is matched with the limited bolt 10; when the through holes of the movable disc 7 and the rotating disc 8 are overlapped and selected, the limiting bolts 10 are screwed into the end parts of the limiting blocks 9 and the rotating disc 8, the positions of the movable disc 7 and the rotating disc 8 are fixed, and the condition that the rotating disc 8 rotates under the action of water flow is avoided.

Wherein, one side of the inner cavity of the buffer block 15 is provided with a chute which is matched with the slide block 16; when the centrifugal pump produces vibrations, can drive connecting plate 14 and buffer board 20 and reciprocate, can compress movable spring 17, make movable spring 17 produce a reverse motion trend, make slider 16 remove in the spout of buffer block 15 inner chamber one side, and then alleviate the vibrations that the centrifugal pump produced, reduce the noise that produces because of vibrations, avoided following the operation of centrifugal pump, can incessantly produce the problem of vibrations and noise.

Wherein, the outside of the fixing bolt 18 and the inside of the bottom plate 19 are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt 18 is matched with the internal thread of the bottom plate 19; when the bipolar centrifugal pump needs to be installed, the base plate 19 is placed on the installation base, and then the fixing bolt 18 is screwed into and penetrates through the base plate 19 to install the base, so that the centrifugal pump is fixed, and the centrifugal pump is further prevented from vibrating.

The working principle is as follows: when the vertical bipolar centrifugal pump works, whether parts at the joint of the vertical bipolar centrifugal pump can normally work is checked firstly, when water flow enters the connector 5, the first filter screen 6 carries out first-step filtration and impurity removal to remove impurities with larger volume, the rotating disc 8 is rotated to control the overlapping condition of through holes in the movable disc 7 and the rotating disc 8, the overlapping of the through holes in the movable disc 7 and the rotating disc 8 is reduced to prevent larger solid garbage from entering the mounting block 4, the overlapping rate of the through holes in the movable disc 7 and the rotating disc 8 is selected according to actual conditions to adjust the effect of filtering impurities, the switch of the bipolar centrifugal pump main body 1 is opened, the water flow entering the mounting block 4 passes through the second filter screen 11 under the action of suction force generated by the rotating blades 2 to be further filtered to remove smaller solid impurities in the water flow, and finally the filtered water flow enters the inside the fixed block 3 and the bipolar centrifugal pump main body 1 from the working area 13, the impurities left after filtration can be left in the filtering area 12, water flow filtration is carried out on a plurality of parts, the filtering effect is increased, the problem that a large amount of impurities enter the interior of the centrifugal pump to cause serious internal blockage is solved, the water pumping efficiency can be slowly reduced, smaller impurities on the filtering area 12 and the second filter screen 11 can be cleaned after the connector 5 is taken down, when the through holes of the movable disc 7 and the rotating disc 8 are well overlapped and selected, the limiting bolts 10 are screwed into the end parts of the limiting blocks 9 and the rotating disc 8, the positions of the movable disc 7 and the rotating disc 8 are fixed, and the condition that the rotating disc 8 rotates under the action of water flow is avoided;

when the centrifugal pump produces vibrations, can drive connecting plate 14 and buffer board 20 and reciprocate, can compress movable spring 17, make movable spring 17 produce a reverse motion trend, make slider 16 remove in the spout of buffer block 15 inner chamber one side, and then alleviate the vibrations that the centrifugal pump produced, reduce the noise that produces because of vibrations, the operation that has avoided following the centrifugal pump, can incessantly produce vibrations and noise, when needing to install bipolar centrifugal pump, put bottom plate 19 on the installation base, twist fixing bolt 18 again and go forward and pass bottom plate 19 installation base, and then fix the centrifugal pump, further prevent that the centrifugal pump from producing vibrations.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 vertical bipolar centrifugal pump with filtering capability, includes bipolar centrifugal pump main part (1), its characterized in that: a fixed block (3) is fixedly arranged at the bottom of the bipolar centrifugal pump main body (1), one end of the output end of the bipolar centrifugal pump main body (1) is fixedly provided with a rotating blade (2), one side of the fixed block (3) is fixedly connected with an installation block (4), one side of the installation block (4) is movably provided with a connector (5), a first filter screen (6) is fixedly arranged in the connector (5), a movable disc (7) is fixedly arranged in the connector (5) at one side of the first filter screen (6), a rotating disc (8) is movably arranged on one side of the movable disc (7), a limiting block (9) is fixedly arranged at the top of the mounting block (4), the inner part of the limiting block (9) is in threaded connection with a limiting bolt (10), and a second filter screen (11) is fixedly arranged in the mounting block (4);

the bottom fixedly connected with connecting plate (14) of fixed block (3), the outside movable mounting of connecting plate (14) has buffer block (15), the bottom fixedly connected with buffer board (20) of connecting plate (14), the bottom movable mounting of buffer board (20) has movable spring (17), one side fixedly connected with slider (16) of buffer board (20), the bottom fixedly connected with bottom plate (19) of buffer block (15), fixing bolt (18) have been cup jointed to the internal thread of bottom plate (19).

2. The vertical bipolar centrifugal pump with the filtering function as claimed in claim 1, wherein: the movable disc (7) and the rotating disc (8) are arranged in parallel, and through holes are formed in the movable disc (7) and the rotating disc (8).

3. The vertical bipolar centrifugal pump with the filtering function as claimed in claim 1, wherein: the inside of installation piece (4) is provided with filtering area (12) and workspace (13) through No. two filter screens (11), and filtering area (12) and workspace (13) are the setting of staggering.

4. The vertical bipolar centrifugal pump with the filtering function as claimed in claim 1, wherein: spacing holes are formed in the inner portion of the limiting block (9) and the end portion of the rotating disc (8), and the size of the limiting block (9) is matched with the limiting bolt (10).

5. The vertical bipolar centrifugal pump with the filtering function as claimed in claim 1, wherein: one side of the inner cavity of the buffer block (15) is provided with a sliding groove, and the sliding groove is matched with the sliding block (16).

6. The vertical bipolar centrifugal pump with the filtering function as claimed in claim 1, wherein: the outer portion of the fixing bolt (18) and the inner portion of the bottom plate (19) are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt (18) is matched with the internal thread of the bottom plate (19).