CN112502983A

CN112502983A - Durable centrifugal pump

Info

Publication number: CN112502983A
Application number: CN201910869515.8A
Authority: CN
Inventors: 马丽
Original assignee: Jiangsu Qili Pump Technology Co ltd
Current assignee: Jiangsu Qili Pump Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-03-16

Abstract

The invention belongs to the technical field of centrifugal pumps, and particularly relates to a durable centrifugal pump which comprises a pump body, wherein a pump shaft is arranged in the pump body, mechanical seals are arranged on two sides of the pump shaft, one end of the pump body is connected with a motor, a water outlet is formed in the upper end of the pump body, a water inlet is formed in one side of the outer surface wall of the pump body, internal threads are formed in the water inlet, and a water pipe is arranged at one end of the water inlet. According to the invention, the detachable water pipe and the detachable filter screen are additionally arranged, so that impurities in water can be filtered, the impurities are prevented from entering the centrifugal pump and being easily blocked, the damage to the centrifugal pump is avoided, the vibration generated during the working of the pump body is reduced through the matching of the rubber pad, the first fixing block, the elastic column, the damping spring and the second fixing block, the damage to the base and internal elements of the pump body is prevented, the normal use of the pump body is ensured, and in addition, the base and the pump body can be detached and installed through the matching of the slot and the insertion block.

Description

Durable centrifugal pump

Technical Field

The invention relates to the technical field of centrifugal pumps, in particular to a durable centrifugal pump.

Background

As people's lives are increasingly developed, centrifugal pumps are essential pumping devices in life, and centrifugal pumps are pumps that transport liquids by centrifugal force generated when impellers rotate. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell. The centrifugal pump has simple and compact structure, small occupied area for the same conveying capacity, light weight, less material consumption and no requirement on basic height of a reciprocating pump, is a very convenient pumping device in daily life, and is a durable centrifugal pump in the prior art.

There are the following problems:

1. the detachable water pipe and the filter screen are not additionally arranged, so that impurities in water cannot be filtered, the impurities enter the centrifugal pump to be easily blocked, the centrifugal pump is easily damaged, the service life of the centrifugal pump is shortened, and the centrifugal pump is not worth being popularized.

2. There is not the rubber pad, the cooperation of first fixed block, elastic column, damping spring and second fixed block, at the in-process of centrifugal pump work, can't reduce the produced vibration of pump body during operation, cause the damage to the base easily, also cause the damage to the inside original paper of the pump body easily simultaneously, can't guarantee the normal use of the pump body, in addition, do not have the cooperation of slot and inserted block, then can not dismantle and install the base with the pump body, when using, be not convenient for use.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a durable centrifugal pump, which solves the problems that impurities in water cannot be filtered, the centrifugal pump is easy to block and damage, and in addition, the vibration generated during the working of a pump body cannot be reduced, the damage to a base and internal elements of the pump body is easy to cause, and the normal use of the pump body cannot be ensured.

In order to achieve the purpose, the invention provides the following technical scheme: a durable centrifugal pump comprises a pump body, wherein a pump shaft is arranged in the pump body, mechanical seals are arranged on two sides of the pump shaft, one end of the pump body is connected with a motor, a water outlet is formed in the upper end of the pump body, a water inlet is formed in one side of the outer wall of the pump body, an internal thread is formed in the water inlet, a water pipe is arranged at one end of the water inlet, a filter screen is arranged in the water pipe, an external thread matched with the internal thread is arranged at one end, close to the water inlet, of the filter screen, a connecting seat is arranged at the bottom ends of the pump body and the motor, a base is arranged at the lower end of the connecting seat, an inserting block is arranged at one end, close to the base, of the connecting seat, a first steel rib plate is arranged at the upper end, the damping rubber pad is characterized in that a first fixing block is arranged at the lower end of the rubber pad, an elastic column is arranged at the lower end of the first fixing block, a damping spring is sleeved on the outer wall of the elastic column, a second fixing block is arranged at one end, far away from the first fixing block, of the elastic column, and a second steel rib plate is arranged at the lower end of the second fixing block.

As a preferred technical scheme of the invention, the number of the first fixed blocks is three, the number of the elastic columns, the number of the damping springs and the number of the second fixed blocks are matched with the number of the first fixed blocks, and the elastic columns, the damping springs and the second fixed blocks of the first fixed blocks are respectively arranged at the upper ends of the second steel rib plates.

As a preferred technical scheme of the invention, the number of the inserting blocks is two, the number of the inserting grooves is matched with that of the inserting blocks, and the inserting grooves and the inserting blocks are respectively arranged at the lower ends of the two groups of connecting seats.

As a preferred technical scheme of the invention, the water pipe is made of stainless steel materials, the filter screen is round, and the filter screen is made of metal wire materials.

As a preferable technical solution of the present invention, the first steel rib plate and the second steel rib plate are rectangular, and the first steel rib plate and the second steel rib plate have the same size. The first steel bar plate and the second steel bar plate are respectively arranged at the upper end and the lower end of the interior of the base.

As a preferable technical scheme of the invention, the damping spring is in the shape of a spiral spring, and the positions of the damping spring, which are contacted with the elastic columns, are coated with a lubricating layer.

Compared with the prior art, the invention provides a durable centrifugal pump, which has the following beneficial effects:

1. this durable centrifugal pump through addding the detachable water pipe, and the inside filter screen that adds of water pipe, the impurity of filter screen ability filtration aquatic prevents to produce easily in impurity gets into the centrifugal pump and blocks, has avoided causing the damage to the centrifugal pump, has prolonged the life of centrifugal pump, accessible external screw thread and internal screw-thread cooperation make it dismantle the water pipe in addition, also can change the filter screen, and easy operation is convenient, and application scope is wide, is worth promoting.

2. This durable centrifugal pump, through the rubber pad, first fixed block, the elastic column, the cooperation of damping spring and second fixed block, can be at the in-process of centrifugal pump work, reduce the produced vibration of the pump body during operation, prevented to cause the damage to the base, also avoided causing the damage to the inside original paper of the pump body simultaneously, the normal use of the pump body has been guaranteed, in addition, through the cooperation of slot and inserted block, can dismantle and install the base and the pump body, convenient to use, easy operation is convenient.

Drawings

FIG. 1 is an internal structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the water tube of the present invention;

FIG. 4 is an enlarged view of the portion A of the present invention.

In the figure: 1. a pump body; 2. a pump shaft; 3. mechanical sealing; 4. an electric motor; 5. a water outlet; 6. a water inlet; 7. an internal thread; 8. a water pipe; 9. a filter screen; 10. an external thread; 11. a connecting seat; 12. a base; 13. inserting a block; 14. a first steel rib plate; 15. a slot; 16. a rubber pad; 17. a first fixed block; 18. an elastic column; 19. a damping spring; 20. a second fixed block; 21. and a second steel rib plate.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, in this embodiment: a durable centrifugal pump comprises a pump body 1, a pump shaft 2 is arranged inside the pump body 1, mechanical seals 3 are arranged on two sides of the pump shaft 2, one end of the pump body 1 is connected with a motor 4, a water outlet 5 is arranged at the upper end of the pump body 1, a water inlet 6 is arranged on one side of the outer surface wall of the pump body 1, an internal thread 7 is arranged inside the water inlet 6, a water pipe 8 is arranged at one end of the water inlet 6, a filter screen 9 is arranged inside the water pipe 8, an external thread 10 matched with the internal thread 7 is arranged at one end, close to the water inlet 6, of the filter screen 9, a connecting seat 11 is arranged at the bottom end of the pump body 1 and the motor 4, a base 12 is arranged at the lower end of the connecting seat 11, an insert block 13 is arranged at one end, close to the base 12, a first steel, a rubber pad 16 is arranged at the lower end of the first steel rib plate 14, a first fixing block 17 is arranged at the lower end of the rubber pad 16, an elastic column 18 is arranged at the lower end of the first fixing block 17, a damping spring 19 is sleeved on the outer wall of the elastic column 18, a second fixing block 20 is arranged at one end, far away from the first fixing block 17, of the elastic column 18, and a second steel rib plate 21 is arranged at the lower end of the second fixing block 20; by additionally arranging the detachable water pipe 8 and additionally arranging the filter screen 9 in the water pipe 8, the filter screen 9 can filter impurities in water, so that the impurities are prevented from entering the centrifugal pump and being easily blocked, the damage to the centrifugal pump is avoided, the service life of the centrifugal pump is prolonged, in addition, the water pipe 8 can be detached through the matching of the external threads 10 and the internal threads 7, the filter screen 9 can also be replaced, the operation is simple and convenient, the application range is wide, and the device is worthy of popularization; through rubber pad 16, first fixed block 17, elastic column 18, damping spring 19 and the cooperation of second fixed block 20, can be at the in-process of centrifugal pump work, reduce the produced vibration of the pump body 1 during operation, prevented to cause the damage to base 12, also avoided causing the damage to the inside original paper of the pump body 1 simultaneously, the normal use of the pump body 1 has been guaranteed, in addition, through the cooperation of slot 15 and inserted block 13, can dismantle and install base 12 and pump body 1, and the use is convenient, and is simple and convenient to operate.

In this embodiment, the number of the first fixed blocks 17 is three, the number of the elastic columns 18, the number of the damping springs 19 and the number of the second fixed blocks 20 are matched with the number of the first fixed blocks 17, and the elastic columns 18, the number of the damping springs 19 and the number of the second fixed blocks 20 of the first fixed blocks 17 are respectively arranged at the upper ends of the second steel rib plates 21; the cooperation of first fixed block 17, elastic column 18, damping spring 19 and second fixed block 20 can reduce the produced vibration of the pump body 1 during operation at the in-process of centrifugal pump work, has prevented to cause the damage to base 12, has also avoided causing the damage to the inside original paper of the pump body 1 simultaneously, has guaranteed the normal use of the pump body 1. The number of the inserting blocks 13 is two, the number of the inserting grooves 15 is matched with that of the inserting blocks 13, and the inserting grooves 15 and the inserting blocks 13 are respectively arranged at the lower ends of the two groups of connecting seats 11; through the cooperation of slot 15 and inserted block 13, can dismantle and install base 12 and the pump body 1, convenient to use, easy operation is convenient. The water pipe 8 is made of stainless steel material, the filter screen 9 is round, and the filter screen 9 is made of metal wire material; the metal wire material has the performances of acid resistance, alkali resistance, temperature resistance, wear resistance and the like, the replacement frequency of the filter screen 9 is reduced, and the stainless steel material can prevent the water pipe 8 from rusting and prolong the service life of the water pipe. The first steel rib plate 14 and the second steel rib plate 21 are rectangular, and the first steel rib plate 14 and the second steel rib plate 21 are the same in size. The first steel rib plate 14 and the second steel rib plate 21 are respectively arranged at the upper end and the lower end in the base 12; the first steel rib plate 14 and the second steel rib plate 21 play a fixing role in the base 12. The damping spring 19 is in a spiral spring shape, and the positions where the damping spring 19 is contacted with the elastic columns 18 are coated with a lubricating layer; the lubricating layer can reduce the friction force between the damping spring 19 and the elastic column 18, and the service life of the damping spring is prolonged.

The working principle and the using process of the invention are as follows: when the durable centrifugal pump is used, firstly, the water pipe 8 is connected, water enters the pump body 1 from the water inlet 6 again, and finally flows out from the water outlet 5 through the matching use of the internal elements of the pump body 1, the detachable water pipe 8 is additionally arranged, the filter screen 9 is additionally arranged in the water pipe 8, the filter screen 9 can filter impurities in the water, so that the impurities are prevented from easily blocking when entering the centrifugal pump, the damage to the centrifugal pump is avoided, the service life of the centrifugal pump is prolonged, in addition, the water pipe 8 can be detached through the matching of the external thread 10 and the internal thread 7, the filter screen 9 can be replaced, the operation is simple and convenient, the application range is wide, and the durable centrifugal pump is worthy of popularization; through rubber pad 16, first fixed block 17, elastic column 18, damping spring 19 and the cooperation of second fixed block 20, can be at the in-process of centrifugal pump work, reduce the produced vibration of the during operation of the pump body 1, prevented to cause the damage to base 12, also avoided causing the damage to the inside original paper of the pump body 1 simultaneously, the normal use of the pump body 1 has been guaranteed, furthermore, cooperation through slot 15 and inserted block 13, can dismantle and install base 12 and the pump body 1, and is convenient to use, and is easy to operate, in addition, the exterior wall of the pump body 1 is provided with the protective layer, play the effect of protection to the pump body 1, the durability has been increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a durable centrifugal pump, includes the pump body (1), the inside of the pump body (1) is provided with pump shaft (2), the both sides of pump shaft (2) are provided with mechanical seal (3), the one end of the pump body (1) is connected with motor (4), and the upper end of the pump body (1) is provided with delivery port (5), outward appearance wall one side of the pump body (1) is provided with water inlet (6), its characterized in that: the water pump is characterized in that an internal thread (7) is arranged inside the water inlet (6), a water pipe (8) is arranged at one end of the water inlet (6), a filter screen (9) is arranged inside the water pipe (8), an external thread (10) matched with the internal thread (7) is arranged at one end, close to the water inlet (6), of the filter screen (9), a connecting seat (11) is arranged at the bottom ends of the pump body (1) and the motor (4), a base (12) is arranged at the lower end of the connecting seat (11), an inserting block (13) is arranged at one end, close to the base (12), of the connecting seat (11), a first steel rib plate (14) is arranged at the upper end inside the base (12), an inserting groove (15) matched with the inserting block (13) is formed inside the first steel rib plate (14), a rubber pad (16) is arranged at the lower end of the first steel rib plate (14), a first fixing block, the lower extreme of first fixed block (17) is provided with elasticity post (18), the exterior wall cover of elasticity post (18) is equipped with damping spring (19), and the one end that first fixed block (17) was kept away from in elasticity post (18) is provided with second fixed block (20), the lower extreme of second fixed block (20) is provided with second steel rib board (21).

2. A durable centrifugal pump according to claim 1, wherein: the number of the first fixing blocks (17) is three, the number of the elastic columns (18), the number of the damping springs (19) and the number of the second fixing blocks (20) are matched with the number of the first fixing blocks (17), and the elastic columns (18), the number of the damping springs (19) and the number of the second fixing blocks (20) of the first fixing blocks (17) are respectively arranged at the upper ends of the second steel rib plates (21).

3. A durable centrifugal pump according to claim 1, wherein: the quantity of inserted block (13) is two sets of, and the quantity of slot (15) and the quantity phase-match of inserted block (13), slot (15) and inserted block (13) set up the lower extreme at two sets of connecting seats (11) respectively.

4. A durable centrifugal pump according to claim 1, wherein: the water pipe (8) is made of stainless steel materials, the filter screen (9) is circular, and the filter screen (9) is made of metal wire materials.

5. A durable centrifugal pump according to claim 1, wherein: the first steel rib plate (14) and the second steel rib plate (21) are rectangular, the first steel rib plate (14) and the second steel rib plate (21) are identical in size, and the first steel rib plate (14) and the second steel rib plate (21) are respectively arranged at the upper end and the lower end of the inside of the base (12).

6. A durable centrifugal pump according to claim 1, wherein: the damping spring (19) is in a spiral spring shape, and the positions, in contact with the elastic columns (18), of the damping spring (19) are coated with lubricating layers.