CN212959139U

CN212959139U - Unit circulating water pump

Info

Publication number: CN212959139U
Application number: CN202021810358.8U
Authority: CN
Inventors: 余月琴
Original assignee: Shanghai Xinyou Electromechanical Equipment Sales Center
Current assignee: Shanghai Xinyou Electromechanical Equipment Sales Center
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-13
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a unit circulating water pump, including damper, install circulating pump and driving motor through the bolt on damper's the top outer wall, the circulating pump includes the pump body, integrated into one piece has the outlet pipe on the top outer wall of the pump body, and integrated into one piece has the inlet tube on one side outer wall of the pump body, install the fixing base through the bolt on one side outer wall of the pump body, and peg graft in the inside of fixing base and have the main shaft, the one end key-type connection of main shaft has the impeller, and the impeller is located the inside of the pump body, the one end that the impeller was kept away from to the main shaft is opened there is the slot, and driving motor. The utility model discloses a damper not only can provide the shock attenuation for the circulating pump to can be as a whole with circulating pump erection joint, even install subaerial at the unevenness, also can make driving motor and circulating pump be located the plane of mounting panel, prevent that circulating water pump main shaft and driving motor's output shaft is not on same straight line, make the operation more steady.

Description

Unit circulating water pump

Technical Field

The utility model relates to a heating power station technical field especially relates to a unit circulating water pump.

Background

The heating station of the centralized heating system is a connection place of a heating network and a heating user, and has the functions of adjusting and converting a heating medium conveyed by the heating network by adopting different connection modes according to the working conditions and different conditions of the heating network, distributing heat to the heating user system to meet the requirements of the user, and performing centralized metering and detecting the parameters and the quantity of the heating medium according to the requirements.

The existing unit circulating water pump is generally directly installed on a cement foundation or the ground, and when the installation position is uneven, a main shaft of the circulating water pump and an output shaft of a driving motor are not on the same straight line, so that the service life of the circulating water pump is greatly shortened. Therefore, it is necessary to design a unit circulating water pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a unit circulating water pump.

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

the utility model provides a unit circulating water pump, includes damper, install circulating pump and driving motor through the bolt on damper's the top outer wall, the circulating pump includes the pump body, integrated into one piece has the outlet pipe on the top outer wall of the pump body, and integrated into one piece has the inlet tube on one side outer wall of the pump body, install the fixing base through the bolt on one side outer wall of the pump body, and the inside of fixing base is pegged graft and is had the main shaft, the one end key-type connection of main shaft has the impeller, and the impeller is located the inside of the pump body, the one end that the impeller was kept away from to the main shaft is opened there is the slot, and driving motor's output passes through the inside of bolt fastening at the slot, the welding has the fixed column.

Further, damper includes fixed plate and mounting panel, all open the constant head tank on the relative one side outer wall of fixed plate and mounting panel, and the inside joint of constant head tank has damping spring.

Furthermore, threaded connection has adjusting bolt on the top outer wall of mounting panel, and adjusting bolt's outside has cup jointed the tight spring in top, fixed plate and mounting panel pass through adjusting bolt fixed connection, and the tight spring in top is located between fixed plate and the mounting panel.

Furthermore, the sealing cover is sleeved outside the main shaft, the cooling jacket is installed on the outer wall of one side of the sealing cover through bolts, the end cover is installed on the outer wall of one side, away from the sealing cover, of the cooling jacket through bolts, and the outer portion of one side, away from the cooling jacket, of the end cover is fixedly connected with the fixing base through bolts.

Furthermore, the filter nozzles are in threaded connection with the top and the bottom of the outer wall on one side of the cooling sleeve, the outer wall on one side of the fixing seat and the outer wall on the top of the water inlet pipe, and a cooling pipe is inserted between every two adjacent filter nozzles.

Furthermore, a cavity is surrounded by the cooling jacket and the sealing cover, and sealing oil is filled in the cavity.

Furthermore, the internal thread of the water outlet pipe is connected with a water outlet nozzle, and one end of the water outlet nozzle, which is far away from the pump body, and one end of the water inlet pipe, which is far away from the pump body, are both welded with connecting flanges.

The utility model has the advantages that:

1. through the damper who sets up, damper not only can provide the shock attenuation for the circulating pump to can be as a whole with regard to circulating pump erection joint, even install subaerially at the unevenness, also can make driving motor and circulating pump be located the plane of mounting panel, prevent that circulating water pump main shaft and driving motor's output shaft is not on same straight line, make the operation more steady, improve life.

2. Through the sealed lid and the sealing oil that set up, sealing oil forms the oil blanket on the surface of main shaft, can prevent that rivers from getting into driving motor's inside through the main shaft, causes the damage of motor to sealing oil also can provide for a long time for the bearing and lubricate, makes the bearing need not often to add lubricating oil.

3. Through the cooling jacket that sets up, the liquid that the circulating pump carried can directly get into the inside of cooling jacket with the cooling tube through the filter, for sealed oil and main shaft provide the cooling, prevent that long-term operation from making sealed oil and main shaft overheat and causing the damage.

Drawings

Fig. 1 is a schematic structural view of a unit circulating water pump provided by the present invention;

fig. 2 is a schematic structural view of a damping mechanism of a unit circulating water pump provided by the present invention;

fig. 3 is a cross-sectional view of the circulating pump structure of the unit circulating water pump provided by the utility model.

In the figure: 1 damping mechanism, 2 driving motors, 3 circulating pumps, 4 positioning grooves, 5 damping springs, 6 adjusting bolts, 7 puller springs, 8 pump bodies, 9 water inlet pipes, 10 water outlet pipes, 11 water outlets, 12 connecting flanges, 13 fixing columns, 14 fixing seats, 15 main shafts, 16 end covers, 17 cooling jackets, 18 sealing covers, 19 slots, 20 impellers, 21 sealing oil, 22 mounting screw holes, 23 filter tips, 24 cooling pipes, 25 fixing plates and 26 mounting plates.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, a unit circulating water pump comprises a damping mechanism 1, a circulating pump 3 and a driving motor 2 are mounted on the outer wall of the top of the damping mechanism 1 through bolts, the type of the driving motor 2 is preferably YB100L-4, and power is provided for the device, the circulating pump 3 comprises a pump body 8, a water outlet pipe 10 is integrally formed on the outer wall of the top of the pump body 8, a water inlet pipe 9 is integrally formed on the outer wall of one side of the pump body 8, a fixing seat 14 is mounted on the outer wall of one side of the pump body 8 through bolts, a main shaft 15 is inserted into the fixing seat 14, one end of the main shaft 15 is in key connection with an impeller 20 for conveying water flow, the impeller 20 is located inside the pump body 8, a slot 19 is formed at one end of the main shaft 15 far away from the impeller 20, and the output end of the driving motor 2 is fixed inside the slot 19 through bolts for connecting, the circulating pump 3 is fixed, and the fixing column 13 is fixedly arranged on the outer wall of the top of the damping mechanism 1.

Further, damper 1 includes fixed plate 25 and mounting panel 26, and it has constant head tank 4 all to open on the outer wall of one side that fixed plate 25 and mounting panel 26 are relative for fixed damping spring 4, and the inside joint of constant head tank 4 has damping spring 5, provides the shock attenuation for the device.

Further, threaded connection has adjusting bolt 6 on the top outer wall of mounting panel 26, and adjusting bolt 6's outside has cup jointed top tension spring 7 for adjusting bolt 6 provides the pretightning force, prevent that adjusting bolt 6 is not hard up, fixed plate 25 and mounting panel 26 pass through adjusting bolt 6 fixed connection, and top tension spring 7 is located between fixed plate 25 and the mounting panel 26.

Further, sealed lid 18 has been cup jointed to the outside of main shaft 15, and installs cooling jacket 17 through the bolt on the outer wall of one side of sealed lid 18, for sealed oil 21 and main shaft 15 provide the cooling, and end cover 16 is installed through the bolt on the outer wall of one side that sealed lid 18 was kept away from to cooling jacket 17, and end cover 16 keeps away from one side outside of cooling jacket 17 and passes through bolt and fixing base 14 fixed connection.

Further, the filter nozzles 23 are connected to the outer wall of the top and the outer wall of the bottom of the outer wall of one side of the cooling jacket 17, the outer wall of one side of the fixing seat 14 and the outer wall of the top of the water inlet pipe 9 in a threaded mode, particle impurities are prevented from entering the cooling jacket 17 and are difficult to clean, and the cooling pipe 24 is inserted between the two adjacent filter nozzles 23.

Further, a cavity is surrounded by the cooling jacket 17 and the sealing cover 18, and sealing oil 21 is filled in the cavity, so that oil can be sealed on the surface of the main shaft 15, and lubrication can be provided for the bearing for a long time.

Further, the internal thread of outlet pipe 10 is connected with a water outlet 11, and a connecting flange 12 is welded to the end of water outlet 11 far away from pump body 8 and the end of water inlet pipe 9 far away from pump body 8, and is conveniently connected with other equipment.

The working principle is as follows: when the water-saving water dispenser is used, the output shaft of the driving motor 2 drives the main shaft 15 to rotate through the slot 19 and the bolt, the main shaft 15 drives the impeller 20 to rotate, water in the impeller 20 is thrown out to the periphery by centrifugal force generated when the impeller 20 rotates, so that the water is discharged through the water outlet pipe 10, and negative pressure is formed in the impeller 20 at the moment, so that the water in the water inlet pipe 9 is sucked into the impeller 20; during operation, a portion of the water thrown away below the pump body passes through the filter 23 into the cooling tube 24 below, passes through the cooling tube 24 into the cooling jacket 17, so that the heat generated by the lubricant 21 can enter the water, and when the cooling jacket 17 is filled with water, the water passes through the filter 23 above the cooling jacket 17 and re-enters the water inlet tube 9 through the cooling tube 24.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The unit circulating water pump comprises a damping mechanism (1) and is characterized in that a circulating pump (3) and a driving motor (2) are mounted on the outer wall of the top of the damping mechanism (1) through bolts, the circulating pump (3) comprises a pump body (8), a water outlet pipe (10) is integrally formed on the outer wall of the top of the pump body (8), a water inlet pipe (9) is integrally formed on the outer wall of one side of the pump body (8), a fixing seat (14) is mounted on the outer wall of one side of the pump body (8) through bolts, a main shaft (15) is inserted into the fixing seat (14), one end of the main shaft (15) is in key connection with an impeller (20), the impeller (20) is located inside the pump body (8), a slot (19) is formed in one end, away from the impeller (20), of the main shaft (15), and the output end of the driving motor (2) is fixed inside the slot, the pump is characterized in that a fixing column (13) is welded on the outer wall of the bottom of the pump body (8), and the fixing column (13) is fixedly installed on the outer wall of the top of the damping mechanism (1).

2. The unit circulating water pump according to claim 1, characterized in that the damping mechanism (1) comprises a fixed plate (25) and a mounting plate (26), the outer walls of the fixed plate (25) and the mounting plate (26) on the opposite sides are provided with positioning grooves (4), and the damping springs (5) are clamped inside the positioning grooves (4).

3. The unit circulating water pump according to claim 2, wherein the outer wall of the top of the mounting plate (26) is connected with an adjusting bolt (6) in a threaded manner, a tightening spring (7) is sleeved outside the adjusting bolt (6), the fixing plate (25) and the mounting plate (26) are fixedly connected through the adjusting bolt (6), and the tightening spring (7) is located between the fixing plate (25) and the mounting plate (26).

4. The unit circulating water pump according to claim 1, wherein a sealing cover (18) is sleeved outside the main shaft (15), a cooling jacket (17) is mounted on the outer wall of one side of the sealing cover (18) through a bolt, an end cover (16) is mounted on the outer wall of one side of the cooling jacket (17) far away from the sealing cover (18) through a bolt, and the outside of one side of the end cover (16) far away from the cooling jacket (17) is fixedly connected with the fixing seat (14) through a bolt.

5. A unit circulating water pump according to claim 4, characterized in that the top and bottom of the outer wall of one side of the cooling jacket (17), the outer wall of one side of the fixed seat (14) and the outer wall of the top of the water inlet pipe (9) are all in threaded connection with filter nozzles (23), and a cooling pipe (24) is inserted between two adjacent filter nozzles (23).

6. A unit circulating water pump according to claim 4, characterized in that the cooling jacket (17) and the sealing cover (18) enclose a cavity, and the interior of the cavity is filled with sealing oil (21).

7. The unit circulating water pump according to claim 1, characterized in that the water outlet pipe (10) is internally threaded with a water outlet nozzle (11), and a connecting flange (12) is welded to both the end of the water outlet nozzle (11) away from the pump body (8) and the end of the water inlet pipe (9) away from the pump body (8).