CN215672900U

CN215672900U - Internal circulation self-balancing multistage centrifugal water pump

Info

Publication number: CN215672900U
Application number: CN202122060926.8U
Authority: CN
Inventors: 吴杰
Original assignee: Huzhou Hongsheng New Material Technology Co ltd
Current assignee: Huzhou Hongsheng New Material Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an internal circulation self-balancing multistage centrifugal water pump, and relates to the technical field of centrifugal water pumps. The novel buffer device comprises a base and a placing plate, wherein two side faces in the base are respectively provided with a sliding rod, the two side faces are opposite in position, the peripheral side faces of the sliding rod are provided with a first spring and a buffer block, the first spring is located between the buffer block and the inner wall of the base, two side faces of the buffer block are provided with first rotating shafts, the lower surface of the placing plate is provided with two movable blocks, two side faces of each movable block are provided with second rotating shafts, the first rotating shafts are connected with the second rotating shafts through buffer rods, the lower surface in the base is provided with a buffer device and a telescopic rod, and the peripheral side faces of the telescopic rod are provided with second springs. The first spring, the second spring and the buffer device are matched with each other, and the first spring, the second spring and the buffer device are used for buffering and damping, so that the operation of the centrifugal water pump is ensured, the vibration generated during operation is reduced, and the service life of the centrifugal water pump is prolonged.

Description

Internal circulation self-balancing multistage centrifugal water pump

Technical Field

The utility model belongs to the technical field of centrifugal water pumps, and particularly relates to an internal circulation self-balancing multistage centrifugal water pump.

Background

Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. 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.

But the multistage centrifugal pump of inner loop self-balancing structure is too traditional simple, and the shock attenuation effect of centrifugal pump is poor, can produce vibrations at the water pump operation in-process, and long-time vibrations can cause the damage to the centrifugal pump, so need optimize it.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an internal circulation self-balancing multistage centrifugal water pump, which solves the problem that the existing internal circulation self-balancing multistage centrifugal water pump does not have a damping effect.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an internal circulation self-balancing multistage centrifugal water pump which comprises a base and a placing plate, wherein two side faces in the base are respectively provided with a sliding rod, the two side faces are opposite in position, the peripheral side faces of the sliding rod are provided with a first spring and a buffer block, the first spring is positioned between the buffer block and the inner wall of the base, two side faces of the buffer block are provided with first rotating shafts, the lower surface of the placing plate is provided with two movable blocks, two side faces of each movable block are provided with second rotating shafts, the first rotating shafts are connected with the second rotating shafts through buffer rods, when the placing plate is subjected to vibration impact force generated by the centrifugal water pump, the placing plate is pressed downwards to enable the buffer rods to push the buffer blocks to slide on the sliding rods, and the buffer and shock absorption are carried out through the first springs.

Preferably, the inside lower surface of base is provided with buffer, buffer is located places the board below, and buffer secondary shock attenuation increases the shock attenuation effect.

Preferably, buffer includes buffering shell, buffer spring, clamp plate, depression bar and atress board, buffering shell and buffer spring are located the inside lower surface of base, the buffer spring upper end is provided with the clamp plate, the clamp plate upper surface is provided with the depression bar, the depression bar upper surface is provided with the atress board, and the atress board atress pushes down, and depression bar and clamp plate push down and cushion through buffer spring and unload power, play the cushioning effect, reduce the damage that centrifugal water pump vibrations caused, increase centrifugal water pump life.

Preferably, the inside lower surface of base is provided with four flexible posts, flexible post week side is provided with the second spring, and flexible post atress pushes down the second spring and cushions the shock attenuation.

Preferably, the upper surface of the stress plate is provided with a first cushion pad, the upper surface of the telescopic column is provided with a second cushion pad, and the arrangement of the first cushion pad and the second cushion pad protects the buffer device and the telescopic column.

Preferably, two sliding grooves are formed in two side faces inside the base respectively, two sliding blocks are arranged on two side faces of the placing plate respectively, the sliding blocks slide in the sliding grooves, the pressing track of the placing plate is stably placed, and the buffering effect is ensured.

Preferably, a water pump body is placed on the upper surface of the placing plate.

The utility model has the following beneficial effects:

the first spring, the second spring and the buffer device are matched with each other, and the first spring, the second spring and the buffer device are used for buffering and damping, so that the operation of the centrifugal water pump is ensured, the vibration generated during operation is reduced, the centrifugal water pump is prevented from being damaged due to long-term vibration, and the service life of the centrifugal water pump is prolonged.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a right side view of the present invention;

FIG. 3 is an anatomical schematic of the utility model at A-A in FIG. 2;

FIG. 4 is a schematic view of the buffering device shown in FIG. 3 according to the present invention

FIG. 5 is an anatomical schematic of the utility model at B-B of FIG. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. placing the plate; 3. a slide bar; 4. a first spring; 5. a buffer block; 6. a first rotating shaft; 7. a movable block; 8. a second rotating shaft; 9. a buffer rod; 10. a buffer device; 1001. a buffer housing; 1002. a buffer spring; 1003. pressing a plate; 1004. a pressure lever; 1005. a stress plate; 11. a first cushion pad; 12. a telescopic column; 13. a second spring; 14. a second cushion pad; 15. a chute; 16. a slider; 17. the water pump body.

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.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention is an internal circulation self-balancing multistage centrifugal water pump, which comprises a base 1 and a placing plate 2, wherein two sides of the inside of the base 1 are respectively provided with a sliding rod 3, and the two side surfaces are opposite, the side surface of the sliding rod 3 is provided with a first spring 4 and a buffer block 5, the first spring 4 is positioned between the buffer block 5 and the inner wall of the base 1, the two side surfaces of the buffer block 5 are provided with first rotating shafts 6, the lower surface of the placing plate 2 is provided with two movable blocks 7, the two side surfaces of the movable blocks 7 are provided with second rotating shafts 8, the first rotating shafts 6 and the second rotating shafts 8 are connected through buffer rods 9, the upper side surface of the placing plate 2 is provided with a water pump body 17, when the placing plate 2 is subjected to the shock impact force generated by the centrifugal water pump, the placing plate 2 is pressed downwards to enable the buffer rod 9 to push the buffer block 5 to slide on the slide rod 3, and the buffer and the shock absorption are carried out through the first spring 4.

The lower surface in the base 1 is provided with a buffer device 10, the buffer device 10 is positioned below the placing plate 2, and the buffer device 10 performs secondary shock absorption to increase the shock absorption effect;

buffer 10 includes buffering shell 1001, buffer spring 1002, clamp plate 1003, depression bar 1004 and atress board 1005, buffering shell 1001 and buffer spring 1002 are located the inside lower surface of base 1, buffer spring 1002 upper end is provided with clamp plate 1003, clamp plate 1003 upper surface is provided with depression bar 1004, depression bar 1004 upper surface is provided with atress board 1005, atress board 1005 atress pushes down, depression bar 1004 and clamp plate 1003 push down cushion through buffer spring 1002 and unload the power, play the cushioning effect, reduce the damage that centrifugal water pump vibrations caused, increase centrifugal water pump life.

Wherein, the inside lower surface of base 1 is provided with four flexible posts 12, and the side is provided with second spring 13 around flexible post 12, and flexible post 12 atress pushes down second spring 13 and cushions the shock attenuation.

Wherein, the upper surface of the stress plate 1005 is provided with a first cushion pad 11, the upper surface of the telescopic column 12 is provided with a second cushion pad 14, and the arrangement of the first cushion pad 11 and the second cushion pad 14 protects the buffer device 10 and the telescopic column 12.

Wherein, the inside both sides face of base 1 is provided with two spouts 15 respectively, places board 2 both sides face and is provided with two sliders 16 respectively, and slider 16 slides in spout 15, stably places board 2 and pushes down the orbit, ensures the buffering effect.

As shown in fig. 1 to 5, this embodiment is a method for using an internal circulation self-balancing multistage centrifugal water pump: install centrifugal pump on placing board 2, place board 2 and receive when centrifugal pump produced vibrations impact force, place board 2 and push down and make buffer block 9 promote the buffer block 5 to slide on slide bar 3, cushion the shock attenuation through first spring 4, play first heavy buffering effect, place board 2 and push down atress board 1005, atress board 1005 atress pushes down, depression bar 1004 and clamp plate 1003 push down and cushion through buffer spring 1002 and unload the power, play the second and do all can't give play to the cushioning effect, atress board 1005 pushes down flexible post 12, flexible post 12 atress pushes down second spring 13 and carries out the shock attenuation of tertiary buffering, the damage that centrifugal pump vibrations caused has been reduced to the shock attenuation of tertiary, increase centrifugal pump life, the practicality is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an inner loop self-balancing multistage centrifugal water pump, includes base (1) and places board (2), its characterized in that: base (1) inside both sides face is provided with slide bar (3) respectively, and the both sides face position is relative, slide bar (3) week side is provided with first spring (4) and buffer block (5), first spring (4) are located between buffer block (5) and base (1) inner wall, buffer block (5) both sides face is provided with first pivot (6), it is provided with two movable block (7) to place board (2) lower surface, movable block (7) both sides face is provided with second pivot (8), be connected through buffer beam (9) between first pivot (6) and second pivot (8).

2. An internal circulation self-balancing multistage centrifugal water pump according to claim 1, characterized in that the base (1) is provided with a buffer device (10) on the inner lower surface, and the buffer device (10) is located below the placing plate (2).

3. The internal circulation self-balancing multistage centrifugal water pump according to claim 2, characterized in that the buffer device (10) comprises a buffer housing (1001), a buffer spring (1002), a pressure plate (1003), a pressure rod (1004) and a force bearing plate (1005), the buffer housing (1001) and the buffer spring (1002) are located on the inner lower surface of the base (1), the pressure plate (1003) is arranged at the upper end of the buffer spring (1002), the pressure rod (1004) is arranged on the upper surface of the pressure plate (1003), and the force bearing plate (1005) is arranged on the upper surface of the pressure rod (1004).

4. An internal circulation self-balancing multistage centrifugal water pump according to claim 3, characterized in that the base (1) is provided with four telescopic columns (12) on the inner lower surface, and the side surfaces of the telescopic columns (12) are provided with second springs (13).

5. The internal circulation self-balancing multistage centrifugal water pump as claimed in claim 4, wherein the upper surface of the force bearing plate (1005) is provided with a first buffer pad (11), and the upper surface of the telescopic column (12) is provided with a second buffer pad (14).

6. The internal circulation self-balancing multistage centrifugal water pump according to claim 1, characterized in that two sliding grooves (15) are respectively arranged on two sides inside the base (1), two sliding blocks (16) are respectively arranged on two sides of the placing plate (2), and the sliding blocks (16) slide in the sliding grooves (15).

7. The internal circulation self-balancing multistage centrifugal water pump according to claim 1, characterized in that the water pump body (17) is placed on the upper surface of the placing plate (2).