CN211082362U

CN211082362U - Stainless steel multistage centrifugal pump

Info

Publication number: CN211082362U
Application number: CN201922004715.5U
Authority: CN
Inventors: 阮小虎
Original assignee: Suzhou Guanyu Electromechanical Technology Co ltd
Current assignee: Suzhou Guanyu Electromechanical Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-24
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a stainless steel multistage centrifugal pump relates to multistage centrifugal pump technical field, receives the corrosion easily for solving current multistage centrifugal pump long-term use, has reduced multistage centrifugal pump's life's problem. The motor is installed to one side of the pump body, be provided with the transmission room between the motor and the pump body, the one end of the pump body is provided with the inlet tube, the top of the pump body other end is provided with the outlet pipe, the internally mounted of inlet tube has filtering mechanism, and filtering mechanism passes through bolted connection with the inlet tube, filtering mechanism is including filtering frame, first filter screen, second filter screen and third filter screen, the internally mounted of filtering frame has first filter screen, second filter screen and third filter screen, and the second filter screen is located between first filter screen and the third filter screen.

Description

Stainless steel multistage centrifugal pump

Technical Field

The utility model relates to a multistage centrifugal pump technical field specifically is a stainless steel multistage centrifugal pump.

Background

The multistage centrifugal pump is suitable for conveying thin and clean non-flammable liquid without solid particles or fibers, and is widely applied to civil, industrial, agricultural and water treatment devices. When the multi-stage centrifugal pump works, the motor drives the multi-stage impeller to rotate at a high speed, liquid filled in the first-stage impeller is acted by the blades of the first-stage impeller, so that the pressure and the speed are increased simultaneously, the liquid is guided to the next-stage impeller through the flow channel of the guide shell, and flows through all the impellers and the guide shell one by one, so that the pressure energy of the liquid is further increased.

However, the existing multistage centrifugal pump is easy to rust after long-term use, and the service life of the multistage centrifugal pump is shortened, so that the existing requirement is not met, and the stainless steel multistage centrifugal pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel multistage centrifugal pump to the multistage centrifugal pump who proposes in solving above-mentioned background art uses for a long time and receives the corrosion easily, has reduced multistage centrifugal pump's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stainless steel multistage centrifugal pump, includes the pump body, the motor is installed to one side of the pump body, be provided with the transmission room between the motor and the pump body, the one end of the pump body is provided with the inlet tube, the top of the pump body other end is provided with the outlet pipe, the internally mounted of inlet tube has filtering mechanism, and filtering mechanism and inlet tube pass through bolted connection, filtering mechanism is including crossing filter frame, first filter screen, second filter screen and third filter screen, the internally mounted who filters the frame has first filter screen, second filter screen and third filter screen, and the second filter screen is located between first filter screen and the third filter screen.

Preferably, first filter screen, second filter screen and third filter screen all set up to the basin form, and the filtration pore diameter of first filter screen, second filter screen and third filter screen reduces in proper order.

Preferably, the internally mounted of the pump body has the transmission shaft, and the one end of transmission shaft extends to the inside of transmission room, the one end of motor is provided with the output shaft, and the one end of output shaft extends to the inside of transmission room, the externally mounted of output shaft one end has first gear, the second gear is installed to the top of first gear, the third gear is installed in the place ahead of second gear, the fourth gear is installed to the below of third gear, and the fourth gear is located the outside of transmission shaft one end.

Preferably, the base is all installed to the outside of the pump body and motor below, the base is including supporting casing, shock pad, fixed plate, the support casing sets up two, and the shock pad is located two inboards between the support casing, the lower extreme of supporting the casing is provided with the fixed plate, and fixed plate and support casing structure as an organic whole, the inside of fixed plate is provided with the fixed orifices, the support casing passes through screw connection with the motor, the shock pad is connected with the motor splice.

Preferably, the transmission shaft is externally provided with five impellers, and the five impellers are distributed in sequence.

Preferably, the first gear and the second gear are in meshed connection, and the third gear and the fourth gear are in meshed connection.

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

1. The utility model discloses an at the internally mounted filtering mechanism of inlet tube, filtering mechanism's internally mounted has three filter screen, and the filtration pore of every filter screen reduces in proper order to can improve filter fineness. Through the setting of filtering mechanism, can intercept aquatic impurity, avoid impurity to get into the inside dirt that forms of the pump body, cause the corrosion to the pump body inside, and then prolong multistage centrifugal pump's life. Meanwhile, the pump body, the transmission shaft and the impeller are made of stainless steel, the stainless steel has the excellent characteristics of corrosion resistance, high temperature resistance, wear resistance and the like, the strength is high, the multistage centrifugal pump is further not prone to corrosion, the service life is prolonged, and the maintenance cost is reduced.

2. The utility model discloses a base comprises support housing, shock pad, fixed plate, and the fixed plate is used for multistage centrifugal pump's fixed mounting, and the shock pad adopts the rubber material, has good elasticity and damping effect, when multistage receiving the impact, has certain buffering effect, and then prolongs multistage centrifugal pump's life.

3. The utility model discloses an installed four gears between transmission shaft and the motor output shaft, motor output shaft drives first gear revolve, first gear meshes and drives its transmission with the second gear, and the third gear rotates along with the second gear, and the third gear drives fourth gear drive again, and the transmission shaft rotates along with the fourth gear, and then realizes the rotation of a plurality of impellers. In the process, the torque is increased through the meshing transmission among the gears, the bearing capacity of the transmission structure is improved, the transmission is more stable, and the service life of the motor can be prolonged.

Drawings

Fig. 1 is a partial sectional view of a stainless steel multistage centrifugal pump according to the present invention;

FIG. 2 is a partial enlarged view of region A of the present invention;

Fig. 3 is a side view of the stainless steel multistage centrifugal pump of the present invention.

In the figure: 1. a pump body; 11. a water inlet pipe; 12. a water outlet pipe; 2. a motor; 21. an output shaft; 3. a base; 31. a support housing; 32. a shock pad; 33. a fixing plate; 4. a drive shaft; 5. an impeller; 6. a first gear; 7. a second gear; 8. a third gear; 9. a fourth gear; 10. a filtering mechanism; 101. a filter frame; 102. a first filter screen; 103. a second filter screen; 104. and a third filter 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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a stainless steel multistage centrifugal pump, including the pump body 1, motor 2 is installed to one side of the pump body 1, provide rotary power, be provided with the transmission room between motor 2 and the pump body 1, the one end of the pump body 1 is provided with inlet tube 11, the top of the 1 other end of the pump body is provided with outlet pipe 12, the internally mounted of inlet tube 11 has filtering mechanism 10, good filter effect has, and filtering mechanism 10 passes through bolted connection with inlet tube 11, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability, convenient operation, reliable connection, filtering mechanism 10 is including filtering frame 101, first filter screen 102, second filter screen 103 and third filter screen 104, the internally mounted of filtering frame 101 has first filter screen 102, second filter screen 103 and third filter screen 104, and second filter screen 103 is located between first filter screen 102 and the third filter screen 104.

Further, first filter screen 102, second filter screen 103 and third filter screen 104 all set up to the basin form, improve and hold the sediment volume, and the filtration pore diameter of first filter screen 102, second filter screen 103 and third filter screen 104 reduces in proper order, improves filter fineness, guarantees the filter effect.

Further, the internally mounted of the pump body 1 has transmission shaft 4, and the one end of transmission shaft 4 extends to the inside of transmission room, the one end of motor 2 is provided with output shaft 21, and the one end of output shaft 21 extends to the inside of transmission room, the externally mounted of output shaft 21 one end has first gear 6, second gear 7 is installed to first gear 6's top, third gear 8 is installed in the place ahead of second gear 7, fourth gear 9 is installed to third gear 8's below, and fourth gear 9 is located the outside of 4 one ends of transmission shaft, realize the gear drive structure, guarantee the steady nature of transmission.

Further, base 3 is all installed to the outside of the pump body 1 and motor 2 below, base 3 is including supporting shell 31, the shock pad 32, fixed plate 33, supporting shell 31 sets up two, and shock pad 32 is located two inboards between supporting shell 31, supporting shell 31's lower extreme is provided with fixed plate 33, and fixed plate 33 and supporting shell 31 structure as an organic whole, the good junction of wholeness is seamless, difficult fracture, fixed plate 33's inside is provided with the fixed orifices, supporting shell 31 passes through the screw connection with motor 2, shock pad 32 is connected with motor 2 cementing, joint strength is high, the frivolous stealthy of junction, and have good fatigue resistance, leakproofness, insulating nature and corrosion resistance.

Further, the impeller 5 is installed to the outside of transmission shaft 4, and five impellers 5 are installed, and five impellers 5 distribute in proper order, and a plurality of impellers 5 stack step by step, can increase multistage centrifugal pump and obtain great lift.

Furthermore, the first gear 6 is meshed with the second gear 7, the third gear 8 is meshed with the fourth gear 9, the meshed connection is high in transmission efficiency, long in service life, stable in transmission and high in reliability, the constant instantaneous transmission ratio can be guaranteed, and transmission at various positions can be achieved.

The working principle is as follows: during the use, the water from the inside of inlet tube 11 entering pump body 1, during the process filtering mechanism 10, filters by the three filter screen of filtering mechanism 10, and the filtration pore of first filter screen 102, second filter screen 103 and third filter screen 104 reduces in proper order, has improved the filter fineness, can filter the impurity of aquatic effectively, avoids impurity to get into the inside dirt that forms of pump body 1, causes the corrosion to the inside of pump body 1. Meanwhile, the motor 2 is started, the output shaft 21 of the motor 2 rotates rapidly, the output shaft 21 of the motor 2 drives the first gear 6 to rotate, the first gear 6 is meshed with the second gear 7 and drives the second gear to transmit, the third gear 8 rotates along with the second gear 7, the third gear 8 is meshed with the fourth gear 9 and drives the fourth gear to transmit, and the transmission shaft 4 rotates along with the fourth gear 9, so that the rotation of the impellers 5 is realized. The rotation of the impeller 5 has a flow guiding effect on the water body, and the water body is continuously conveyed to the water outlet pipe 12 to be discharged. Meanwhile, the pump body 1, the transmission shaft 4 and the impeller 5 are made of stainless steel, the stainless steel has the excellent characteristics of corrosion resistance, high temperature resistance, wear resistance and the like, the strength is high, the multistage centrifugal pump is further prevented from being corroded easily, and the service life is prolonged. Support shell 31 provides stable support for multistage centrifugal pump, and the fixed orifices on the fixed plate 33 is used for multistage centrifugal pump's fixed mounting, and shock pad 32 adopts the rubber material, has good buffering effect.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a stainless steel multistage centrifugal pump, includes the pump body (1), its characterized in that: motor (2) are installed to one side of the pump body (1), be provided with the transmission room between motor (2) and the pump body (1), the one end of the pump body (1) is provided with inlet tube (11), the top of the pump body (1) other end is provided with outlet pipe (12), the internally mounted of inlet tube (11) has filtering mechanism (10), and filtering mechanism (10) and inlet tube (11) pass through bolted connection, filtering mechanism (10) are including filtering frame (101), first filter screen (102), second filter screen (103) and third filter screen (104), the internally mounted of filtering frame (101) has first filter screen (102), second filter screen (103) and third filter screen (104), and second filter screen (103) are located between first filter screen (102) and third filter screen (104).

2. A stainless steel multistage centrifugal pump according to claim 1, characterized in that: the filter screen is characterized in that the first filter screen (102), the second filter screen (103) and the third filter screen (104) are all arranged in a basin shape, and the diameters of filter holes of the first filter screen (102), the second filter screen (103) and the third filter screen (104) are reduced in sequence.

3. A stainless steel multistage centrifugal pump according to claim 1, characterized in that: the utility model discloses a pump body, including the pump body, the internally mounted of the pump body (1) has transmission shaft (4), and the one end of transmission shaft (4) extends to the inside of transmission room, the one end of motor (2) is provided with output shaft (21), and the one end of output shaft (21) extends to the inside of transmission room, the externally mounted of output shaft (21) one end has first gear (6), second gear (7) are installed to the top of first gear (6), third gear (8) are installed in the place ahead of second gear (7), fourth gear (9) are installed to the below of third gear (8), and fourth gear (9) are located the outside of transmission shaft (4) one end.

4. A stainless steel multistage centrifugal pump according to claim 1, characterized in that: base (3) are all installed to the outside of the pump body (1) and motor (2) below, base (3) are including supporting casing (31), shock pad (32), fixed plate (33), support casing (31) and set up two, and shock pad (32) are located two inboard between support casing (31), the lower extreme that supports casing (31) is provided with fixed plate (33), and fixed plate (33) and support casing (31) structure as an organic whole, the inside of fixed plate (33) is provided with the fixed orifices, support casing (31) and motor (2) through the screw connection, shock pad (32) and motor (2) splice are connected.

5. A stainless steel multistage centrifugal pump according to claim 3, characterized in that: the external mounting of transmission shaft (4) has impeller (5), five are installed in impeller (5), and five impeller (5) distribute in proper order.

6. A stainless steel multistage centrifugal pump according to claim 3, characterized in that: the first gear (6) is meshed with the second gear (7), and the third gear (8) is meshed with the fourth gear (9).