CN210919476U

CN210919476U - Single-stage single-suction centrifugal pump with good cooling effect

Info

Publication number: CN210919476U
Application number: CN201921799143.8U
Authority: CN
Inventors: 刘劲
Original assignee: Jiangsu Suzhong Pump Manufacture Co ltd
Current assignee: Jiangsu Suzhong Pump Manufacture Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-03
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a single-stage single-suction centrifugal pump with good cooling effect, which comprises a pump body, wherein one side of the pump body is provided with a water inlet, the other side of the pump body is provided with a water outlet, the inside of the water outlet is fixedly provided with a drain plug, the upper end of one side of the pump body is fixedly provided with a cooling water pipe inlet, one end of the cooling water pipe inlet is fixedly provided with a cooling water pipe, the upper end of the inside of the pump body is provided with a cooling cavity, the inside of the cooling cavity is fixedly provided with a bearing, the inside of the bearing is clamped with a rotating shaft, the lower end of the surface of the rotating shaft is fixedly connected with a mechanical seal, the lower end of the rotating shaft is fixedly connected with an impeller, the upper end of the pump body is fixedly provided with a motor, the surface of the motor, the service life of the centrifugal pump is effectively prolonged, and the centrifugal pump is suitable for popularization and application.

Description

Single-stage single-suction centrifugal pump with good cooling effect

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a centrifugal pump is inhaled to single-stage list that cooling effect is good.

Background

A pump is a machine that delivers or pressurizes a fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase.

At present, a centrifugal pump on the market comprises a pump shell and an impeller arranged in the pump shell, wherein a motor comprises a pump shaft, a cast aluminum rotor and a casing, one end of the pump shaft is connected with the impeller, an upper top cover and an end cover are connected with the casing, and the other end of the pump shaft is connected with a fan. The heat dissipation effect of traditional centrifugal pump is not good, influences the practical life of centrifugal pump easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-stage single suction centrifugal pump that cooling effect is good 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: comprises a pump body, wherein one side of the pump body is provided with a water inlet, the other side of the pump body is provided with a water outlet, a water drain plug is fixedly arranged inside the water outlet, the upper end of one side of the pump body is fixedly provided with a cooling water pipe inlet, a cooling water pipe is fixedly arranged at one end of the inlet of the cooling water pipe, a cooling cavity is arranged at the upper end inside the pump body, a bearing is fixedly arranged in the cooling cavity, a rotating shaft is clamped in the bearing, a mechanical seal is fixedly connected at the lower end of the surface of the rotating shaft, the lower end of the rotating shaft is fixedly connected with an impeller, the upper end of the pump body is fixedly provided with a motor, the surface of the motor is fixedly connected with radiating fins, the upper end of the motor is fixedly connected with a radiator, a radiating fan is fixedly arranged in the radiator, a heat dissipation air port is formed in the upper end of the radiator, and a dust screen is fixedly mounted inside the heat dissipation air port.

Further, the pump body and the motor are fixedly connected through bolts.

Furthermore, one end of the cooling water pipe extends into the cooling cavity.

Further, an output shaft of the motor is meshed with the rotating shaft.

Furthermore, the rotating shaft is movably arranged in the pump body through a bearing.

Furthermore, the dust screen can be disassembled and is fixedly installed inside the heat dissipation air port through the fixing buckle.

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

1. the utility model discloses a heat radiation fins that are equipped with on the motor surface and motor upper end are equipped with the radiator, can effectually dispel the heat to the motor, avoid the overheated centrifugal pump that makes that the motor used for a long time to cause to shut down, and through the heat dissipation wind gap that sets up in the radiator upper end, can effectually blow off the heat of motor, and install the dust screen in heat dissipation wind gap inside, can effectually prevent that the dust from entering into the motor inside, the motor that causes damages, the effectual life who prolongs the centrifugal pump, through the condenser tube import that is equipped with on one side of the pump body, can be in operation, send cooling water into the cooling chamber inside to cool down the pivot, avoid the high-speed rotatory temperature that produces of pivot to cause the damage;

2. the water discharging plug is arranged in the water discharging cavity, so that residual water in the centrifugal pump can be discharged when the centrifugal pump is not used, and the phenomenon that the water stays in the centrifugal pump for a long time to cause corrosion is avoided;

3. the utility model discloses simple structure, convenient to use, the modern design, the effectual centrifugal pump of having solved the too high problem of temperature when using, the effectual life who prolongs the centrifugal pump is suitable for using widely.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the pump body of the present invention;

fig. 3 is a schematic view of the structure of the motor of the present invention.

In FIGS. 1-3: 1-a pump body; 2-a water inlet; 3-water outlet; 4-cooling water pipe inlet; 5-a cooling water pipe; 6-a cooling cavity; 7-a rotating shaft; 8, mechanical sealing; 9-an impeller; 10-a bearing; 11-a water drain plug; 12-a motor; 13-heat dissipation fins; 14-a heat sink; 15-a heat dissipation fan; 16-a heat dissipation air port; 17-dust screen.

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. 1-3, the present invention provides a technical solution: comprising a pump body 1.

Wherein, a water inlet 2 is arranged on one side of the pump body 1, and a water outlet 3 is arranged on the other side of the pump body 1.

Wherein, the water inlet 2 can intake water during working and discharge water through the water outlet 3.

Wherein, a drain plug 11 is fixedly arranged in the water outlet 3.

The water drain plug 11 can drain residual water in the centrifugal pump when not in use, so that corrosion caused by the fact that the water is left in the centrifugal pump for a long time is avoided.

Wherein, 1 one side upper end fixed mounting of the pump body has

condenser tube import

4, 4 one end fixed mounting of condenser tube import has condenser tube 5, cooling chamber 6 has been seted up to the inside upper end of the pump body 1.

Wherein, condenser tube import 4 can be at the during operation, send into cooling chamber 6 inside counter shaft 7 with the cooling water through condenser tube 5 and cool down, avoids the high-speed rotatory temperature that produces of pivot 7 to cause the damage to the centrifugal pump.

The inside fixed mounting of cooling chamber 6 has bearing 10, the inside joint of bearing 10 has

pivot

7, 7 surperficial lower extreme fixedly connected with mechanical seal 8 of pivot, 7 lower extreme fixedly connected with impellers 9 of pivot.

The rotating shaft 7 can rotate inside the pump body 1 through a bearing 10, and is sealed at the extending part through a mechanical seal 8, and can drive the impeller 9 to work.

The motor 12 is fixedly mounted at the upper end of the pump body 1, the surface of the motor 12 is fixedly connected with radiating fins 13, the upper end of the motor 12 is fixedly connected with a radiator 14, a radiating fan 15 is fixedly mounted inside the radiator 14, a radiating air port 16 is formed in the upper end of the radiator 14, and a dust screen 17 is fixedly mounted inside the radiating air port 16.

Wherein, the heat radiation fins 13 and the motor 12 upper end that the motor 12 surface was equipped with are equipped with radiator 14, can effectually dispel the heat to motor 12, avoid motor 12 to use the overheated centrifugal pump that makes that causes for a long time to shut down, and through the heat dissipation wind gap 16 that sets up in radiator 12 upper end, can effectually blow off the heat of

motor

12, and 16 internally mounted in heat dissipation wind gap have dust screen 17, can effectually prevent that the dust from entering into motor 12 inside, the motor 12 that causes damages, the effectual life who prolongs the centrifugal pump.

Further, the pump body 1 and the motor 12 are fixedly connected through bolts.

Wherein, make can be more convenient when needs dismantle.

Furthermore, one end of the cooling water pipe 5 extends into the cooling cavity 6.

Wherein, can send into cooling chamber 6 inside with cooling water through condenser tube 5 and lower the temperature to pivot 7.

Further, the output shaft of the motor 12 is engaged with the rotating shaft 7.

Wherein, can directly use after being convenient for install.

Further, the rotating shaft 7 is movably arranged inside the pump body 1 through a bearing 10.

The rotating shaft 7 can rotate inside the pump body 1 through a bearing 10.

Further, the dust screen 17 can be detached and fixedly installed inside the heat dissipation air port 16 through a fixing buckle.

Wherein, can dismantle when the dust is too much and wash.

The working principle is as follows: when the centrifugal pump is used, after the centrifugal pump is installed, the motor 12 is started to be used, in the using process, the motor 12 drives the rotating shaft 7 to rotate, so that the impeller 9 discharges water from the water inlet 2 through the water outlet 3, meanwhile, the heat dissipation fins 13 arranged on the surface of the motor 12 and the heat dissipater 14 arranged at the upper end of the motor 12 can effectively dissipate heat of the motor 12, the centrifugal pump is prevented from being stopped due to overheating caused by long-time use of the motor 12, heat of the motor 12 can be effectively blown out through the heat dissipation air port 16 arranged at the upper end of the heat dissipater 12, the dust screen 17 is arranged inside the heat dissipation air port 16, dust can be effectively prevented from entering the motor 12, the motor 12 is prevented from being damaged, the service life of the centrifugal pump is effectively prolonged, and when the cooling water works through the cooling water pipe inlet 4, the cooling water is sent into the cooling cavity 6 through the cooling water, the damage of the centrifugal pump caused by the temperature generated by the high-speed rotation of the rotating shaft 7 is avoided.

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 single-stage single suction centrifugal pump that cooling effect is good, includes the pump body (1), its characterized in that: the water inlet (2) is formed in one side of the pump body (1), the water outlet (3) is formed in the other side of the pump body (1), a water drain plug (11) is fixedly mounted in the water outlet (3), a cooling water pipe inlet (4) is fixedly mounted at the upper end of one side of the pump body (1), a cooling water pipe (5) is fixedly mounted at one end of the cooling water pipe inlet (4), a cooling cavity (6) is formed in the upper end of the interior of the pump body (1), a bearing (10) is fixedly mounted in the cooling cavity (6), a rotating shaft (7) is clamped in the bearing (10), a mechanical seal (8) is fixedly connected to the surface lower end of the rotating shaft (7), an impeller (9) is fixedly connected to the lower end of the rotating shaft (7), a motor (12) is fixedly mounted at the upper end of the pump, the motor is characterized in that a radiator (14) is fixedly connected to the upper end of the motor (12), a radiating fan (15) is fixedly installed inside the radiator (14), a radiating air port (16) is formed in the upper end of the radiator (14), and a dustproof net (17) is fixedly installed inside the radiating air port (16).

2. The single-stage single-suction centrifugal pump with good cooling effect as claimed in claim 1, wherein: the pump body (1) is fixedly connected with the motor (12) through bolts.

3. The single-stage single-suction centrifugal pump with good cooling effect as claimed in claim 1, wherein: one end of the cooling water pipe (5) extends into the cooling cavity (6).

4. The single-stage single-suction centrifugal pump with good cooling effect as claimed in claim 1, wherein: the output shaft of the motor (12) is meshed with the rotating shaft (7).

5. The single-stage single-suction centrifugal pump with good cooling effect as claimed in claim 1, wherein: the rotating shaft (7) is movably arranged in the pump body (1) through a bearing (10).

6. The single-stage single-suction centrifugal pump with good cooling effect as claimed in claim 1, wherein: the dust screen (17) can be detached and fixedly installed inside the heat dissipation air port (16) through a fixing buckle.