CN211230853U

CN211230853U - Novel vertical single-stage centrifugal pump

Info

Publication number: CN211230853U
Application number: CN201922304091.9U
Authority: CN
Inventors: 汤志联
Original assignee: Longyan Pump Co ltd
Current assignee: Longyan Pump Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-11
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a centrifugal pump technical field just discloses a novel vertical single-stage centrifugal pump, the on-line screen storage device comprises a base, the top fixed mounting of base has the pump body, the delivery port has been seted up on the right side of the pump body, the water inlet has been seted up in the left side of the pump body, the top fixed mounting of the pump body has the link, the through-hole that quantity is two and communicates with delivery port and water inlet respectively is seted up at the top of the pump body, the top cartridge of the pump body has quantity to be two and extends to two inside discharge valve of through-hole respectively, the left side cartridge of link has the sealing plug, the top fixed mounting of link has the fixing base, the top cartridge of fixing base has the first bolt that. This novel vertical single-stage centrifugal pump, stable in structure is reasonable, can effectively fill water to the pump body inside and use, avoids the motor unloaded to cause the damage, and conveniently maintains the maintenance operation, saves maintenance personnel's time and energy.

Description

Novel vertical single-stage centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a novel vertical single-stage centrifugal pump.

Background

The centrifugal pump is a pump for conveying liquid by the 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, when the water pump is started, a 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 the water flows into a water pressing pipeline of the water pump through a flow channel of a volute pump shell.

Traditional vertical single-stage centrifugal pump is when using, can't make the pump body water-logging fill, easily causes pressure not enough, and the impeller idles, and the motor does not have the load, makes inside mechanical collision aggravation, damages easily, and the maintenance is inconvenient, extravagant operating personnel's time and energy, so proposed a novel vertical single-stage centrifugal pump and solved the problem that the aforesaid was proposed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel vertical single-stage centrifugal pump possesses the maintenance of being convenient for and maintains advantages such as, has solved traditional vertical single-stage centrifugal pump when using, can't make the pump body water-logging fill, easily causes pressure not enough, and the impeller idles, and the motor does not have the load, makes the aggravation of inside mechanical collision, damages easily, and the maintenance is maintained inconveniently, extravagant operating personnel's time and the problem of energy.

(II) technical scheme

For the purpose of realizing the maintenance of being convenient for, the utility model provides a following technical scheme: a novel vertical single-stage centrifugal pump comprises a base, wherein a pump body is fixedly installed at the top of the base, a water outlet is formed in the right side of the pump body, a water inlet is formed in the left side of the pump body, a connecting frame is fixedly installed at the top of the pump body, two through holes which are respectively communicated with the water outlet and the water inlet are formed in the top of the pump body, two exhaust valves which are respectively extended into the two through holes are inserted into the top of the pump body, a sealing plug is inserted into the left side of the connecting frame, a fixed seat is fixedly installed at the top of the connecting frame, a first bolt which penetrates through the top of the connecting frame is inserted into the top of the fixed seat, a motor is fixedly installed at the top of the fixed seat, a connecting cylinder is fixedly installed at the output end of the motor, a pump shaft of which the bottom end extends into, the pump is characterized in that an impeller positioned in the pump body is fixedly installed at the bottom end of the pump shaft, a second bolt in threaded connection with the pump body is inserted into the bottom of the connecting frame, a sealing cover fixedly connected with the connecting frame is sleeved outside the pump shaft, and a water drain valve extending to the inside of the water inlet is inserted into the back of the pump body.

Preferably, the top of base is seted up and is the fixed orifices that the annular distributes, the connecting hole that is located water inlet and delivery port outside is all seted up on the left side and the right side of the pump body.

Preferably, the left side and the right side of the motor are both welded with auxiliary rings, and the fixed seat is welded with the motor.

Preferably, the water inlet extends to the bottom of the impeller, and the water outlet extends to the back of the impeller.

Preferably, the connecting frame is internally filled with a sealing filler positioned on one side of the sealing cover opposite to the impeller, and the exhaust valve is in threaded connection with the through hole.

Preferably, the bottom of the connecting cylinder is provided with a hexagonal groove, and the top end of the pump shaft is matched with the hexagonal groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel vertical single-stage centrifugal pump possesses following beneficial effect:

when the novel vertical single-stage centrifugal pump is used, the water inlet and the water outlet are hermetically connected with a pipeline, the sealing plug is pulled out, the two exhaust valves are opened, water is injected into the pump body through the connecting frame, air in the pump body is discharged through the two through holes, when water flows out of the through hole, the interior of the pump body is proved to be filled with water, the sealing plug and the exhaust valves can be assembled, the motor drives the connecting cylinder to rotate, the connecting cylinder drives the pump shaft and the impeller to rotate, the water is sucked from the water inlet and discharged from the water outlet through centrifugal pressure in the pump body, after the pump is used, the water discharge valve can be opened to discharge the water in the pump body, when maintenance is needed, the first bolt can be removed, the motor can be detached from the connecting frame to carry out maintenance operation, when the pump shaft or oil needs to be cleaned, the sealing cover can be removed, the second bolt can be removed, and the pump body can be separated, the centrifugal pump has the advantages that the pump body, the impeller and the pump shaft are maintained, the centrifugal pump is stable and reasonable in structure, the pump body can be effectively filled with water for use, the damage caused by the no-load of a motor is avoided, the maintenance operation is convenient, and the time and the energy of maintenance personnel are saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: the pump comprises a base 1, a pump body 2, a water outlet 3, a connecting frame 4, a water inlet 5, a through hole 6, an exhaust valve 7, a sealing plug 8, a fixing seat 9, a first bolt 10, a motor 11, a connecting cylinder 12, a pump shaft 13, an impeller 14, a second bolt 15, a sealing cover 16 and a water drain valve 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, a novel vertical single-stage centrifugal pump comprises a base 1, a pump body 2 is fixedly installed on the top of the base 1, a water outlet 3 is formed on the right side of the pump body 2, a water inlet 5 is formed on the left side of the pump body 2, fixing holes distributed in an annular shape are formed on the top of the base 1, connecting holes located outside the water inlet 5 and the water outlet 3 are formed on both the left side and the right side of the pump body 2, a connecting frame 4 is fixedly installed on the top of the pump body 2, two through holes 6 respectively communicated with the water outlet 3 and the water inlet 5 are formed on the top of the pump body 2, two exhaust valves 7 respectively extending into the two through holes 6 are inserted into the top of the pump body 2, a fixing seat 9 is fixedly installed on the top of the connecting frame 4, a first bolt 10 penetrating through the top of the connecting frame 4 is inserted into, a motor 11 is fixedly installed at the top of the fixed seat 9, auxiliary rings are welded on the left side and the right side of the motor 11, the fixed seat 9 is welded with the motor 11, a connecting cylinder 12 is fixedly installed at the output end of the motor 11, a pump shaft 13 is movably installed inside the connecting frame 4, the bottom end of the pump shaft 13 extends into the pump body 2, the top end of the pump shaft extends into the connecting cylinder 12, a hexagonal groove is formed in the bottom of the connecting cylinder 12, the top end of the pump shaft 13 is matched with the hexagonal groove, an impeller 14 located inside the pump body 2 is fixedly installed at the bottom end of the pump shaft 13, a water inlet 5 extends to the bottom of the impeller 14, a water outlet 3 extends to the back of the impeller 14, a second bolt 15 in threaded connection with the pump body 2 is inserted into the bottom of the connecting frame 4, a sealing cover 16 fixedly connected with the connecting frame 4 is sleeved outside the, the exhaust valve 7 is in threaded connection with the through hole 6, the back of the pump body 2 is inserted with a water drain valve 17 extending to the inside of the water inlet 5, when the pump is used, the water inlet 5 and the water outlet 3 are in sealed connection with a pipeline, the sealing plug 8 is drawn out, the two exhaust valves 7 are opened, water is injected into the pump body 2 through the connecting frame 4, air in the pump body 2 is discharged through the two through holes 6, when water flows out of the through hole 6, the inside of the pump body 2 is proved to be filled with water, the sealing plug 8 and the exhaust valve 7 can be assembled, the motor 11 drives the connecting cylinder 12 to rotate, the connecting cylinder 12 drives the pump shaft 13 and the impeller 14 to rotate, water is sucked from the water inlet 5 and discharged from the water outlet 3 through centrifugal pressure in the pump body 2, after the water drain valve 17 can be opened to discharge water in the pump body 2, when maintenance is needed, the first bolt 10 can be removed, the motor 11 can be detached from the connecting frame 4 to perform maintenance, when pump shaft 13 or oiling need be cleared up, the sealed lid 16 of detachable and take off second bolt 15, can separate the pump body 2 and link 4, maintain pump body 2, impeller 14 and pump shaft 13, and this centrifugal pump stable in structure is reasonable, can effectively fill up water to the inside use of filling of the pump body 2, avoids motor 11 no-load to cause the damage, and conveniently maintains the operation, saves maintenance maintainer's time and energy.

To sum up, in the novel vertical single-stage centrifugal pump, when in use, the water inlet 5 and the water outlet 3 are hermetically connected with the pipeline, the sealing plug 8 is drawn out, the two exhaust valves 7 are opened, water is injected into the pump body 2 through the connecting frame 4, air in the pump body 2 is discharged through the two through holes 6, when water flows out of the through hole 6, the inside of the pump body 2 is proved to be filled with the water, the sealing plug 8 and the exhaust valves 7 can be assembled, the motor 11 drives the connecting cylinder 12 to rotate, the connecting cylinder 12 drives the pump shaft 13 and the impeller 14 to rotate, the water is sucked from the water inlet 5 and discharged from the water outlet 3 through the centrifugal pressure in the pump body 2, after the pump is used, the water drain valve 17 can be opened to discharge the water in the pump body 2, when maintenance is needed, the first bolt 10 can be removed, the motor 11 can be detached from the connecting frame 4 to carry out maintenance operation, when the pump shaft 13 or oil needs to be cleaned, the sealing cover 16 can be taken down, the second bolt 15 is taken down, the pump body 2 can be separated from the connecting frame 4, and the pump body 2, the impeller 14 and the pump shaft 13 are maintained.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 novel vertical single-stage centrifugal pump, includes base (1), its characterized in that: the pump is characterized in that a pump body (2) is fixedly mounted at the top of the base (1), a water outlet (3) is formed in the right side of the pump body (2), a water inlet (5) is formed in the left side of the pump body (2), a connecting frame (4) is fixedly mounted at the top of the pump body (2), two through holes (6) which are respectively communicated with the water outlet (3) and the water inlet (5) are formed in the top of the pump body (2), two exhaust valves (7) which are respectively extended into the two through holes (6) are inserted into the top of the pump body (2), a sealing plug (8) is inserted into the left side of the connecting frame (4), a fixing seat (9) is fixedly mounted at the top of the connecting frame (4), a first bolt (10) which penetrates through the top of the connecting frame (4) is inserted into the top of the fixing seat (9), a motor (11) is fixedly, the utility model discloses a pump, including motor (11), connecting cylinder (12), pump shaft (13) inside connecting cylinder (12), the inside movable mounting of link (4) has the bottom to extend to the inside of the pump body (2) and the top extends to, the bottom fixed mounting of pump shaft (13) has impeller (14) that are located the pump body (2) inside, the bottom cartridge of link (4) has second bolt (15) with the pump body (2) threaded connection, the outside cover of pump shaft (13) is equipped with and covers (16) with link (4) fixed connection, the back cartridge of the pump body (2) has the valve (17) that drains that extends to water inlet (5) inside.

2. The novel vertical single-stage centrifugal pump according to claim 1, characterized in that: the fixed orifices that are the annular and distribute are seted up at the top of base (1), the connecting hole that is located water inlet (5) and delivery port (3) outside is all seted up on the left side and the right side of the pump body (2).

3. The novel vertical single-stage centrifugal pump according to claim 1, characterized in that: the left side and the right side of the motor (11) are both welded with auxiliary rings, and the fixed seat (9) is welded with the motor (11).

4. The novel vertical single-stage centrifugal pump according to claim 1, characterized in that: the water inlet (5) extends to the bottom of the impeller (14), and the water outlet (3) extends to the back of the impeller (14).

5. The novel vertical single-stage centrifugal pump according to claim 1, characterized in that: the connecting frame (4) is internally filled with a sealing filler positioned on one side of the sealing cover (16) opposite to the impeller (14), and the exhaust valve (7) is in threaded connection with the through hole (6).

6. The novel vertical single-stage centrifugal pump according to claim 1, characterized in that: the bottom of the connecting cylinder (12) is provided with a hexagonal groove, and the top end of the pump shaft (13) is matched with the hexagonal groove.