CN216008908U

CN216008908U - Vertical centrifugal pump with filtration

Info

Publication number: CN216008908U
Application number: CN202121331364.XU
Authority: CN
Inventors: 严伟荣
Original assignee: Jiangsu Yingte Pump & Valve Manufacturing Co ltd
Current assignee: Jiangsu Yingte Pump & Valve Manufacturing Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-03-11
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a vertical centrifugal pump with a filtering structure, which comprises a motor, wherein a cover is arranged at the top of the motor, two thread grooves are formed in the cover, a temperature sensor and a breaker are respectively connected to the cover, a pump body is connected to the bottom end of the motor, the filtering structure is arranged in an inlet of the pump body, a filter screen and a motor impeller are arranged in the pump body, a pump platform is connected to the bottom end of the pump body, a plurality of fixed loop bars are arranged at the bottom end of the pump platform, a bolt rod is arranged in the fixed loop bars, a damping spring sleeve is arranged at the bottom end of each fixed loop bar, the bottom end of each bolt rod is connected to the surface of a supporting platform, and a damping pad is arranged on the bottom surface of the supporting platform. According to the utility model, the filtering structure is arranged, so that the filtering disc is rotated according to the condition of liquid pumping before the pump body is connected, and the filtering circular holes on the filtering disc and the fixed disc are staggered, so that the motor impeller can be prevented from being damaged by large sand stones in water, and a good protective filtering effect is achieved.

Description

Vertical centrifugal pump with filtration

Technical Field

The utility model relates to the technical field of centrifugal pump design, in particular to a vertical centrifugal pump with a filtering structure.

Background

The vertical centrifugal pump is mainly used for conveying clean water and liquid with physical and chemical properties similar to those of clean water, and is suitable for industrial and urban water supply and drainage, pressurization and water supply of high-rise buildings, garden sprinkling irrigation, fire control pressurization, remote conveying and heating, ventilation and refrigeration cycles. The vertical centrifugal pump is of a vertical structure, the calibers of an inlet and an outlet are generally the same, the appearance is compact and attractive, the occupied area is small, the building investment is low, and the using amount is very large.

The inside no filtration that has of pump god of present vertical centrifugal pump, the grit in aqueous causes the damage to the impeller easily to influence work efficiency, consequently need design a vertical centrifugal pump with filtration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the impeller is easily damaged by sand in water due to the fact that no filtering structure is arranged inside a pump impeller of the conventional vertical centrifugal pump, and accordingly working efficiency is affected.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a vertical centrifugal pump with filtration, includes the motor, the top of motor is equipped with the cover, the inside of cover is equipped with two thread grooves, be connected with temperature sensor and outage ware on the cover respectively, the bottom of motor is connected with the pump body, the inside filtration that is equipped with of import of pump body, the inside of pump body is equipped with filter screen and motor impeller, the bottom of pump body is connected with the pump platform, the bottom of pump platform is equipped with many fixed loop bars, the inside of fixed loop bar is equipped with the bolt pole, the bottom of fixed loop bar is equipped with the shock attenuation spring housing, the bottom of bolt pole is connected on a supporting bench surface, the bottom surface of a supporting bench is equipped with inhales the shock pad, the top of motor is equipped with waterproof lagging, the inside surface of waterproof lagging is equipped with syllable-dividing subsides, be equipped with the circuit box on the motor.

Preferably, the temperature sensor and the breaker are both in threaded connection with the thread groove, and the breaker is electrically connected with a circuit box on the motor.

Preferably, the filtration includes fixed disc, filters the disc and filters the round hole, the inner wall of fixed disc and pump body is the integral structure, filter the disc and be connected and in close contact with for rotating fixed disc, be equipped with the filtration round hole that the size is the same on fixed disc and the filtration disc.

Preferably, the filter screen is fixedly connected with the pump body through a nut, and the filter screen is horizontally arranged in the pump body.

Preferably, the fixed loop bar is in sliding connection with the plug pin bar, the top end of the damping spring sleeve is fixedly connected with the fixed loop bar, and the bottom end of the damping spring sleeve is fixedly connected with the support table.

Preferably, the shock absorption pad is fixedly adhered to the bottom surface of the support table and is made of high-quality rubber.

Preferably, be connected for the draw-in groove between waterproof lagging and the motor, the subsides that give sound insulation are connected and are made with the cotton preparation of inhaling sound with waterproof lagging adhesion.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the temperature sensor and the breaker are arranged, so that when the motor is started to drive the motor impeller to rotate, the temperature sensor can detect the temperature of the motor in real time, when the temperature of the motor is higher, the motor can be shut down through the circuit box, so that the loss is reduced, and the breaker can automatically shut down the motor through the circuit box when the motor leaks electricity, so that a good protection effect is achieved;

2. according to the utility model, the filtering structure is arranged, so that the filtering disc is rotated according to the condition of liquid pumping before the pump body is connected, and the filtering circular holes on the filtering disc and the fixed disc are staggered, so that the motor impeller can be prevented from being damaged by large sand stones in water, and a good protective filtering effect is achieved;

3. the waterproof sleeve plate is arranged, so that the waterproof sleeve plate can be sleeved on the motor after the motor is started, the surface of the motor can be prevented from being stained with moisture and dust in a humid environment, the cleanliness of the surface of the motor is improved, the probability of the motor being affected with damp is reduced, and meanwhile, the sound insulation paste can also reduce noise generated by the operation of the motor and is very good in use.

Drawings

FIG. 1 is a schematic front view of the internal structure of a vertical centrifugal pump with a filtering structure according to the present invention;

FIG. 2 is a schematic diagram of a filtering structure of a vertical centrifugal pump with a filtering structure according to the present invention;

FIG. 3 is an enlarged schematic structural view of the vertical centrifugal pump with a filtering structure at the A position;

fig. 4 is an enlarged schematic structural diagram at the position B of the vertical centrifugal pump with the filtering structure provided by the utility model.

In the figure: 1. an electric motor; 2. a machine cover; 3. a thread groove; 4. a temperature sensor; 5. an electrical disconnect; 6. a pump body; 7. a filter structure; 701. fixing the disc; 702. a filter disc; 703. filtering the round hole; 8. a filter screen; 9. a motor impeller; 10. a pump table; 11. fixing the loop bar; 12. a latch rod; 13. a shock-absorbing spring housing; 14. a support table; 15. a shock absorbing pad; 16. a waterproof sheathing board; 17. a sound insulation paste; 18. and a line box.

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.

Referring to fig. 1 to 4, a vertical centrifugal pump with a filtering structure comprises a motor 1, wherein a cover 2 is arranged at the top of the motor 1, two thread grooves 3 are formed in the cover 2, a temperature sensor 4 and a breaker 5 are respectively connected to the cover 2, a pump body 6 is connected to the bottom end of the motor 1, a filtering structure 7 is arranged in an inlet of the pump body 6, a filter screen 8 and a motor impeller 9 are arranged in the pump body 6, a pump platform 10 is connected to the bottom end of the pump body 6, a plurality of fixed loop bars 11 are arranged at the bottom end of the pump platform 10, a plug rod 12 is arranged in each fixed loop bar 11, a damping spring sleeve 13 is arranged at the bottom end of each fixed loop bar 11, the bottom end of each plug rod 12 is connected to the surface of a supporting platform 14, a damping pad 15 is arranged on the bottom surface of the supporting platform 14, a waterproof loop plate 16 is arranged at the top end of the motor 1, a sound insulation paste 17 is arranged on the inner surface of the waterproof loop plate 16, and a circuit box 18 is arranged on the motor 1;

it is worth noting that the temperature sensor 4 and the breaker 5 are both in threaded connection with the thread groove 3, and the breaker 5 is electrically connected with the circuit box 18 on the motor 1, so that when the motor 1 is started to drive the motor impeller 9 to rotate, the temperature sensor 4 can detect the temperature of the motor 1 in real time, when the temperature of the motor 1 is higher, the motor 1 can be shut down through the circuit box 18, loss is reduced, and the breaker 5 can automatically shut down the motor 1 through the circuit box 18 when the motor 1 leaks electricity, so that a good protection effect is achieved;

it is worth noting that the filtering structure 7 comprises a fixed disc 701, a filtering disc 702 and filtering circular holes 703, the fixed disc 701 and the inner wall of the pump body 6 are of an integrated structure, the filtering disc 702 and the fixed disc 701 are in rotational connection and in close contact, the fixed disc 701 and the filtering disc 702 are provided with the filtering circular holes 703 with the same size, so that before the pump body 6 is connected, the filtering disc 702 is rotated according to the condition of liquid extraction, and the filtering disc 702 and the filtering circular holes 703 on the fixed disc 701 are staggered, so that the motor impeller 9 can be prevented from being damaged by large sand in water, and a good protective filtering effect is achieved;

it is worth noting that the filter screen 8 is fixedly connected with the pump body 6 through a nut, and the filter screen 8 is horizontally arranged inside the pump body 6, so that after primary filtration of the filter structure 7, the filter screen 8 can perform secondary filtration and interception on fine sand and stones passing through the filter structure 7, and further effectively protects the motor impeller 9;

it is worth noting that the fixed loop bar 11 is connected with the plug pin bar 12 in a sliding manner, the top end of the damping spring sleeve 13 is fixedly connected with the fixed loop bar 11, and the bottom end of the damping spring sleeve 13 is fixedly connected with the supporting table 14, so that when water is pumped, the operation of the motor 1 can bring large vibration force to the pump table 10, at the moment, the fixed loop bar 11 is stressed to slide downwards outside the plug pin bar 12, at the moment, the damping spring sleeve 13 is stressed and generates resilience force to reset the fixed loop bar 11, and therefore, the vibration force is greatly reduced, and the working stability is improved;

it is worth noting that the shock absorption pad 15 is fixedly adhered to the bottom surface of the supporting platform 14, and the shock absorption pad 15 is made of high-quality rubber, so that the shock absorption pad 15 can absorb and isolate the residual shock force, the shaking property generated by the stress of the supporting platform 14 is greatly reduced, and the stability is further increased;

it is worth noting that, be connected for the draw-in groove between waterproof lagging 16 and the motor 1, sound insulation paste 17 is connected and uses the cotton preparation of inhaling sound with waterproof lagging 16 adhesion and forms, can overlap waterproof lagging 16 on motor 1 after starting motor 1 like this, can prevent that moisture and dust are stained with on motor 1 surface under the humid environment, improved the cleanliness on motor 1 surface and reduced the probability that motor 1 wets, sound insulation paste 17 can also reduce the noise that motor 1 function produced simultaneously, it is very useful.

The principle of use of the utility model will now be described as follows:

when the utility model is used, firstly, before the pump body 6 is connected, the filtering disc 702 is rotated according to the condition of pumping liquid, so that the filtering disc 702 is staggered with the filtering circular hole 703 on the fixed disc 701, thereby preventing the motor impeller 9 from being damaged by large sand stones in water, playing a good role in protection and filtration, after the work is started, when the motor 1 is started to drive the motor impeller 9 to rotate, the temperature sensor 4 can detect the temperature of the motor 1 in real time, when the temperature of the motor 1 is higher, the motor 1 can be shut down through the circuit box 18, so as to reduce the loss, and the breaker 5 can automatically shut down the motor 1 through the circuit box 18 when the motor 1 leaks electricity, playing a good role in protection, after the primary filtration of the filtration structure 7, the filtration screen 8 can carry out secondary filtration and interception on the fine sand stones passing through the filtration structure 7, further effectively protecting the motor impeller 9, then the motor 1 operates and can bring great shaking force to the pump platform 10, fixed loop bar 11 atress can slide downwards in the bolt pole 12 outside this moment, damping spring cover 13 receives pressure and produces bounce and resets fixed loop bar 11 this moment, so greatly reduced the shaking force, increased job stability, can cover waterproof lagging 16 on the motor 1 after starting the motor 1 at last, can prevent that the motor 1 surface from being stained with moisture and dust under the humid environment, improved the cleanliness on motor 1 surface and reduced the probability that the motor 1 wets, the noise that the motor 1 operation produced can also be reduced to the subsides 17 that gives sound insulation simultaneously, it is very useful, the motor 1 model is Y90L-2 in this case.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The vertical centrifugal pump with the filtering structure comprises a motor (1) and is characterized in that a cover (2) is arranged at the top of the motor (1), two thread grooves (3) are formed in the cover (2), a temperature sensor (4) and a power breaker (5) are connected to the cover (2) respectively, a pump body (6) is connected to the bottom end of the motor (1), a filtering structure (7) is arranged in an inlet of the pump body (6), a filter screen (8) and a motor impeller (9) are arranged in the pump body (6), a pump platform (10) is connected to the bottom end of the pump body (6), a plurality of fixed loop bars (11) are arranged at the bottom end of the pump platform (10), a bolt rod (12) is arranged in the fixed loop bars (11), a damping spring sleeve (13) is arranged at the bottom end of the fixed loop bars (11), and the bottom end of the bolt rod (12) is connected to the surface of a supporting table (14), the bottom surface of brace table (14) is equipped with and shakes and fills up (15), the top of motor (1) is equipped with waterproof lagging (16), the inside surface of waterproof lagging (16) is equipped with syllable-dividing and pastes (17), be equipped with circuit box (18) on motor (1).

2. The vertical centrifugal pump with the filtering structure is characterized in that the temperature sensor (4) and the breaker (5) are both in threaded connection with the thread groove (3), and the breaker (5) is electrically connected with a circuit box (18) on the motor (1).

3. The vertical centrifugal pump with the filtering structure is characterized in that the filtering structure (7) comprises a fixed disc (701), a filtering disc (702) and a filtering circular hole (703), the fixed disc (701) and the inner wall of the pump body (6) are of an integrated structure, the filtering disc (702) and the fixed disc (701) are in rotating connection and in close contact, and the filtering circular hole (703) with the same size is arranged on the fixed disc (701) and the filtering disc (702).

4. The vertical centrifugal pump with the filtering structure as claimed in claim 1, wherein the filtering net (8) is fixedly connected with the pump body (6) through a nut, and the filtering net (8) is horizontally arranged inside the pump body (6).

5. Vertical centrifugal pump with filtering structure according to claim 1, characterized in that the fixed loop bar (11) is connected with the bolt bar (12) in a sliding way, the top end of the damping spring sleeve (13) is fixedly connected with the fixed loop bar (11) and the bottom end is fixedly connected with the support table (14).

6. The vertical centrifugal pump with the filtering structure as claimed in claim 1, wherein the shock-absorbing pad (15) is fixedly adhered to the bottom surface of the supporting platform (14), and the shock-absorbing pad (15) is made of high-quality rubber.

7. The vertical centrifugal pump with the filtering structure is characterized in that the waterproof sleeve plate (16) is connected with the motor (1) through a clamping groove, and the sound-insulating paste (17) is connected with the waterproof sleeve plate (16) in an adhesion manner and is made of sound-absorbing cotton.