CN218509725U

CN218509725U - Multistage centrifugal pump

Info

Publication number: CN218509725U
Application number: CN202222377088.1U
Authority: CN
Inventors: 李菲
Original assignee: Hebei Yuyuan Pump Valve Co ltd
Current assignee: Hebei Yuyuan Pump Valve Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-21
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a multistage centrifugal pump, including the heat dissipation casing of making an uproar, supporting baseplate, centrifugal pump body, quick fixed knot construct and heat dissipation cooling structure of falling, the heat dissipation is fallen the casing bottom of making an uproar and is equipped with the support pad foot, the supporting baseplate is located the heat dissipation and is fallen the bottom in the casing of making an uproar, centrifugal pump body bottom is equipped with the mounting panel, the mounting panel bottom is equipped with the supporting shoe, the supporting shoe is placed on the supporting baseplate, quick fixed knot constructs and locates the heat dissipation and fall the internal diapire of making an uproar, the heat dissipation is fallen the casing lateral wall of making an uproar and is equipped with the thermovent, in the heat dissipation cooling structure. The utility model relates to a multistage centrifugal pump technical field specifically provides a rational in infrastructure, simple, has good cooling function, conveniently installs and dismantles the multistage centrifugal pump of maintaining.

Description

Multistage centrifugal pump

Technical Field

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

Background

The multistage centrifugal pump is to put more than two centrifugal pumps with the same function together, fluid passage structure, the medium pressure release mouth that shows at the first level communicates with each other with the import of second level, the medium pressure release mouth of second level communicates with each other with the import of third level, the mechanism of so establishing ties has formed multistage centrifugal pump, extensively be used for the transport of industrial liquid, city plumbing, high-rise building pressure boost water supply, treegarden irrigation, fields such as fire control pressure boost, current multistage centrifugal pump radiating effect is relatively poor, the radiating efficiency is low, influence the stability in use of centrifugal pump, the centrifugal pump is used for a long time simultaneously, fixing bolt and ground are easily not hard up, thereby produce vibrations and noise, there is the damage centrifugal pump, consequently design one kind to have good heat dissipation function, it is necessary to conveniently dismantle fixed multistage centrifugal pump simultaneously.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for remedying above-mentioned current defect, the utility model provides a rational in infrastructure, simple has good cooling function, conveniently installs and dismantles the multistage centrifugal pump of maintaining.

The utility model provides a following technical scheme: the utility model provides a multistage centrifugal pump, including heat dissipation noise reduction casing, supporting baseplate, centrifugal pump body, quick fixed knot construct and heat dissipation cooling structure, heat dissipation noise reduction casing bottom is equipped with the support pad foot, the supporting baseplate is located heat dissipation noise reduction casing bottom, centrifugal pump body bottom is equipped with the mounting panel, the mounting panel bottom is equipped with the supporting shoe, the supporting shoe is placed on the supporting baseplate, quick fixed knot constructs the internal bottom wall of heat dissipation noise reduction casing, heat dissipation noise reduction casing lateral wall is equipped with the thermovent, in the heat dissipation cooling structure; quick fixed knot constructs including driving motor, drive screw, drive block and fixed subassembly, driving motor locates the heat dissipation and falls the casing lateral wall of making an uproar, the drive screw both ends are rotated and are located the heat dissipation and fall on the casing relative both sides wall that falls, drive screw is located the supporting baseplate below, driving motor's power output shaft runs through the heat dissipation and falls the casing of making an uproar and be connected with drive screw, be equipped with two sets of screw thread groups on the drive screw, it is two sets of screw thread group is opposite direction and sets up, the drive block is equipped with two sets ofly, and is two sets of on two sets of opposite direction's screw thread group is located through threaded connection to the drive block, be equipped with the direction spout on the supporting baseplate, it is two sets of the drive block slides and locates in the direction spout, fixed subassembly is located on the drive block.

In order to fix the centrifugal pump conveniently, reduce simultaneously because of wearing and tearing that bolted connection brought are not hard up and the noise, fixed subassembly is including supporting spacing post, supporting fixed plate, adjusting bolt, pressure and holding board and spacer pin, support spacing post lower extreme and run through the direction spout and locate on the drive block, supporting fixed plate locates and supports spacing post lateral wall top, adjusting bolt runs through and locates on supporting fixed plate through threaded connection, it is equipped with and presses and holds the spout to support spacing post lateral wall, it slides and locates in pressing and holding the spout to press holding board one end, the adjusting bolt bottom is rotated and is located and press and hold on the board, the spacer pin is located and is pressed and hold the board bottom, be equipped with U type groove and pinhole on the mounting panel, it slides and locates U type inslot to support spacing post, the spacer pin slides and locates in the pinhole.

In order to make multistage centrifugal pump have good radiating effect, heat dissipation cooling structure includes heat dissipation casing, semiconductor refrigeration piece, radiator fan and refrigeration fan, the thermovent of casing lateral wall is fallen in the heat dissipation is located to the heat dissipation casing, heat dissipation casing both sides wall is equipped with the gas vent, the semiconductor refrigeration piece is located in the heat dissipation casing, the refrigeration fan is located in the heat dissipation casing and is close to the inside one end of the casing that falls that dispels the heat, radiator fan locates in the heat dissipation casing and is close to the outside one end of the casing that falls that dispels the heat.

Furthermore, the driving motor is a forward and reverse rotating motor, and a motor protective shell is arranged on the driving motor.

Preferably, the bottom of the pressing plate and the side wall of the supporting and limiting column are provided with damping rubber pads.

Furthermore, sound insulation cotton is arranged on the inner side wall of the heat dissipation and noise reduction shell.

Furthermore, the side wall articulates before the casing of making an uproar falls in the heat dissipation and is equipped with sealing door.

Furthermore, a water inlet pipe and a water outlet pipe are arranged on the side wall of the heat dissipation and noise reduction shell.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model provides a multistage centrifugal pump, can conveniently install the maintenance of dismantling the centrifugal pump body through the quick fixed knot structure that sets up, use and support spacing post, press and hold board and spacer pin to centrifugal pump spacing fixed, it is fixed to avoid using connecting bolt, lead to connecting not hard up production vibrations and noise in the long-term use, can fall the inside rapid cooling that carries on of casing of making an uproar through heat dissipation cooling structure to the heat dissipation, the setting up of the casing of making an uproar makes the centrifugal pump body have good dustproof and protecting effect of making an uproar of falling simultaneously dispels the heat.

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 schematic view of an overall structure of a multistage centrifugal pump according to the present invention;

fig. 2 is a perspective schematic structural view of a multistage centrifugal pump according to the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic view of a mounting plate structure of the multistage centrifugal pump provided by the present invention.

The cooling and noise reducing device comprises a cooling and noise reducing shell, 2, a supporting base plate, 3, a centrifugal pump body, 4, a quick fixing structure, 5, a cooling structure, 6, a supporting pad foot, 7, a mounting plate, 8, a supporting block, 9, a driving motor, 10, a driving screw, 11, a driving block, 12, a guide sliding groove, 13, a supporting limiting column, 14, a supporting and fixing plate, 15, an adjusting bolt, 16, a pressing and holding plate, 17, a limiting pin, 18, a pressing and holding sliding groove, 19, a U-shaped groove, 20, a pin hole, 21, a cooling shell, 22, a semiconductor refrigerating sheet, 23, a cooling fan, 24, a refrigerating fan, 25, a motor protective shell, 26, a shock-absorbing rubber pad, 27, soundproof cotton, 28 and a sealing door.

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.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-4, the technical proposal adopted by the utility model is as follows: a multistage centrifugal pump comprises a heat dissipation and noise reduction shell 1, a support bottom plate 2, a centrifugal pump body 3, a quick fixing structure 4 and a heat dissipation and cooling structure 5, wherein support pad feet 6 are arranged at the bottom of the heat dissipation and noise reduction shell 1, the support bottom plate 2 is arranged at the bottom in the heat dissipation and noise reduction shell 1, a mounting plate 7 is arranged at the bottom of the centrifugal pump body 3, a support block 8 is arranged at the bottom of the mounting plate 7, the support block 8 is placed on the support bottom plate 2, the quick fixing structure 4 is arranged at the inner bottom wall of the heat dissipation and noise reduction shell 1, a heat dissipation port is formed in the side wall of the heat dissipation and noise reduction shell 1, and the heat dissipation and cooling structure 5 is arranged in the heat dissipation and noise reduction shell; quick fixed knot constructs 4 including driving motor 9, driving screw 10, drive block 11 and fixed subassembly, driving motor 9 locates the heat dissipation and falls the 1 lateral wall of casing of making an uproar, driving screw 10 both ends are rotated and are located the heat dissipation and fall the relative both sides wall in the casing of making an uproar 1, driving screw 10 is located supporting baseplate 2 below, driving motor 9's power output shaft runs through the heat dissipation and falls the casing of making an uproar 1 and be connected with driving screw 10, be equipped with two sets of screw thread groups on the driving screw 10, two sets of screw thread groups are opposite direction and set up, drive block 11 is equipped with two sets ofly, two sets of drive block 11 are located on two sets of opposite direction's screw thread group through threaded connection, be equipped with direction spout 12 on the supporting baseplate 2, two sets of drive block 11 slide locate in direction spout 12, fixed subassembly is located on the drive block 11.

As shown in fig. 2 to 4, the fixing component includes a supporting limit column 13, a supporting fixing plate 14, an adjusting bolt 15, a pressing plate 16 and a limit pin 17, the lower end of the supporting limit column 13 penetrates through the guiding chute 12 and is arranged on the driving block 11, the supporting fixing plate 14 is arranged on the top of the side wall of the supporting limit column 13, the adjusting bolt 15 penetrates through and is arranged on the supporting fixing plate 14 through threaded connection, the side wall of the supporting limit column 13 is provided with a pressing chute 18, one end of the pressing plate 16 is slidably arranged in the pressing chute 18, the bottom of the adjusting bolt 15 is rotatably arranged on the pressing plate 16, the limit pin 17 is arranged at the bottom of the pressing plate 16, a U-shaped groove 19 and a pin hole 20 are arranged on the mounting plate 7, the supporting limit column 13 is slidably arranged in the U-shaped groove 19, and the limit pin 17 is slidably arranged in the pin hole 20.

As shown in fig. 2, the heat dissipation and cooling structure 5 includes a heat dissipation housing 21, semiconductor cooling fins 22, a heat dissipation fan 23 and a cooling fan 24, the heat dissipation housing 21 is disposed at a heat dissipation opening of a side wall of the heat dissipation and noise reduction housing 1, two side walls of the heat dissipation housing 21 are provided with air outlets, the semiconductor cooling fins 22 are disposed in the heat dissipation housing 21, the cooling fan 24 is disposed in the heat dissipation housing 21 and is close to an inner end of the heat dissipation and noise reduction housing 1, and the cooling fan 23 is disposed in the heat dissipation housing 21 and is close to an outer end of the heat dissipation and noise reduction housing 1.

As shown in fig. 1 and 2, the driving motor 9 is a forward and reverse rotation motor, and a motor protective shell 25 is disposed on the driving motor 9.

As shown in FIG. 3, the bottom of the pressure plate 16 and the side wall of the support limit column 13 are provided with shock-absorbing rubber pads 26.

As shown in fig. 2, sound insulation cotton 27 is disposed on the inner side wall of the heat dissipation and noise reduction housing 1. The side wall of the heat dissipation and noise reduction shell 1 is provided with a water inlet pipe and a water outlet pipe.

As shown in fig. 1, a sealing door 28 is hinged to the front side wall of the heat dissipation and noise reduction housing 1.

When the centrifugal pump is used specifically, the centrifugal pump body 3 is placed on the supporting base plate 2, the driving motor 9 is started, the driving motor 9 drives the driving screw rod 10 to rotate, the driving screw rod 10 drives the driving block 11 to move, the driving block 11 drives the supporting limiting column 13 to move, the supporting limiting column 13 slides into the U-shaped groove 19 and presses and holds the mounting plate 7, the adjusting bolt 15 is rotated, the adjusting bolt 15 drives the pressing and holding plate 16 to move downwards, the limiting pin 17 is pressed into the pin hole 20, the centrifugal pump body 3 is firmly fixed, the use of bolt and nut fixation is avoided, noise is generated due to long-time loosening, meanwhile, the maintenance is inconvenient to disassemble, cold air is generated through the semiconductor refrigerating sheet 22, the cold air is blown into the heat dissipation and noise reduction shell 1 through the refrigerating fan 24, the internal temperature of the heat dissipation and noise reduction shell 1 is kept within a good working temperature range, the soundproof cotton 27 effectively absorbs noise from the operation of the multistage centrifugal pump, the heat dissipation and noise reduction shell 1 further increases the noise reduction effect, and has good dustproof and protection effects on the multistage centrifugal pump.

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. A multistage centrifugal pump characterized by: the cooling and noise reducing device comprises a cooling and noise reducing shell, a supporting bottom plate, a centrifugal pump body, a quick fixing structure and a cooling and heat dissipating structure, wherein supporting pad feet are arranged at the bottom of the cooling and noise reducing shell, the supporting bottom plate is arranged at the bottom in the cooling and noise reducing shell, a mounting plate is arranged at the bottom of the centrifugal pump body, a supporting block is arranged at the bottom of the mounting plate and is placed on the supporting bottom plate, the quick fixing structure is arranged at the inner bottom wall of the cooling and noise reducing shell, a cooling hole is formed in the side wall of the cooling and noise reducing shell, and the cooling and heat dissipating structure is arranged in the cooling and heat dissipating structure; quick fixed knot constructs including driving motor, drive screw, drive block and fixed subassembly, driving motor locates the heat dissipation and falls the casing lateral wall of making an uproar, the drive screw both ends are rotated and are located the heat dissipation and fall on the casing relative both sides wall that falls, drive screw is located the supporting baseplate below, driving motor's power output shaft runs through the heat dissipation and falls the casing of making an uproar and be connected with drive screw, be equipped with two sets of screw thread groups on the drive screw, it is two sets of screw thread group is opposite direction and sets up, the drive block is equipped with two sets ofly, and is two sets of on two sets of opposite direction's screw thread group is located through threaded connection to the drive block, be equipped with the direction spout on the supporting baseplate, it is two sets of the drive block slides and locates in the direction spout, fixed subassembly is located on the drive block.

2. A multistage centrifugal pump according to claim 1, characterized in that: fixed subassembly is including supporting spacing post, supporting fixed plate, adjusting bolt, pressure and holding board and spacer pin, support spacing post lower extreme and run through the direction spout and locate on the drive block, supporting fixed plate locates and supports spacing post lateral wall top, adjusting bolt runs through and locates on supporting fixed plate through threaded connection, it is equipped with the pressure and holds the spout to support spacing post lateral wall, press to hold board one end and slide to locate to press and hold in the spout, the adjusting bolt bottom is rotated and is located to press and hold on the board, the spacer pin is located and is pressed and hold the board bottom, be equipped with U type groove and pinhole on the mounting panel, it slides and locates U type inslot to support spacing post, the spacer pin slides and locates in the pinhole.

3. A multistage centrifugal pump according to claim 2, characterized in that: the heat dissipation and cooling structure comprises a heat dissipation shell, semiconductor refrigeration pieces, a heat dissipation fan and a refrigeration fan, wherein the heat dissipation shell is arranged at a heat dissipation opening of the side wall of the heat dissipation and noise reduction shell, the two side walls of the heat dissipation shell are provided with air exhaust openings, the semiconductor refrigeration pieces are arranged in the heat dissipation shell, the refrigeration fan is arranged in the heat dissipation shell and close to one end inside the heat dissipation and noise reduction shell, and the heat dissipation fan is arranged in the heat dissipation shell and close to one end outside the heat dissipation and noise reduction shell.

4. A multistage centrifugal pump according to claim 3, characterized in that: the driving motor is a forward and reverse rotating motor, and a motor protective shell is arranged on the driving motor.

5. A multistage centrifugal pump according to claim 4, characterized in that: and the bottom of the pressing plate and the side wall of the supporting limiting column are provided with damping rubber pads.

6. A multistage centrifugal pump according to claim 5, characterized in that: the inner side wall of the heat dissipation and noise reduction shell is provided with soundproof cotton.

7. A multistage centrifugal pump according to claim 6, characterized in that: the side wall is articulated to be equipped with sealing door before the casing of making an uproar falls in the heat dissipation.

8. A multistage centrifugal pump according to claim 7, characterized in that: and a water inlet pipe and a water discharge pipe are arranged on the side wall of the heat dissipation and noise reduction shell.