CN212584031U

CN212584031U - Sanitary centrifugal pump

Info

Publication number: CN212584031U
Application number: CN202020927430.9U
Authority: CN
Inventors: 刘小波; 王静
Original assignee: Wenzhou Gedong Machinery Co ltd
Current assignee: Wenzhou Gedong Machinery Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-23
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a sanitary-grade centrifugal pump, including the pump body, still include the buffering frame, the inner chamber of buffering frame is equipped with the buffer board on the horizontal direction, the bottom of buffer board is equipped with horizontal pole, hydraulic damper and buffering piece, the outside of horizontal pole be equipped with flange and spring one the bolster is including being the elastic plate that the arc form set up. The utility model discloses in, the bottom of elastic plate is equipped with the sliding sleeve, the top is equipped with the connecting plate, the sliding sleeve cover is established in the outside of horizontal pole, the connecting plate passes through bolt and buffer board fixed connection, the outside of horizontal pole still is equipped with spring one and flange, at the in-process of pump body vibrations, the elastic plate takes place to warp, spring one takes place to warp with spring two, can effectually cushion the buffer board and the pump body, reduce the vibrations of the pump body, under hydraulic damper's effect, avoid aggravating rocking of buffer board and the pump body because the flexible resilience of spring one and spring two, the device's stability has been improved.

Description

Sanitary centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field especially relates to sanitary-grade centrifugal pump.

Background

Centrifugal pumps are one of the simplest pieces of equipment. The purpose of the pump is to convert energy into velocity or kinetic energy and pressure of the fluid being pumped, and then into a variable energy electric motor or engine, the impeller and volute being divided into two main parts. The rotational drive energy of the impeller is converted into a portion of the kinetic energy. The volute is the kinetic energy of the stationary part that is converted into pressure.

When health level centrifugal pump delivered liquid, liquid was rotatory at the flying speed in the pump case under the effect of impeller for pump body self produces great vibrations power, not only produce the noise easily, and under the long-term operating condition, the effect of vibrations can lead to each connection structure fracture and internals to damage in the centrifugal pump, influence the use of centrifugal pump, and the base of current health level centrifugal pump is supported subaerial by four supporting legs, can't carry out fine cushioning effect, rocking of pump case can lead to splashing at will of liquid, cause the waste of liquid.

Accordingly, a sanitary centrifugal pump is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the sanitary centrifugal pump aims to solve the problem that the buffering effect of the sanitary centrifugal pump in the prior art is poor.

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

sanitary-grade centrifugal pump, including the pump body, still include the buffering frame, the inner chamber of buffering frame is equipped with the buffer board on the horizontal direction, the bottom of buffer board is equipped with horizontal pole, hydraulic damper and buffering piece, the outside of horizontal pole is equipped with flange and spring one, the bolster is including the elastic plate that is the arc form setting, the bottom of elastic plate is equipped with the sliding sleeve, and the top is equipped with the connecting plate, the sliding sleeve cover is established in the outside of horizontal pole, the connecting plate passes through bolt and buffer board fixed connection.

As a further description of the above technical solution:

through grooves are formed in the two side walls of the buffer frame, guide rods are arranged in the through grooves, springs are sleeved outside the guide rods, and the buffer plate penetrates into the inner cavities of the through grooves and is sleeved outside the guide rods.

As a further description of the above technical solution:

and the second spring is positioned at the vertical two ends of the guide rod.

As a further description of the above technical solution:

the elastic plate, the sliding sleeve and the connecting plate are of an integrally formed structure.

As a further description of the above technical solution:

and the lower surface wall of the buffer frame is bonded with a shock absorption pad.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the bottom of elastic plate is equipped with the sliding sleeve, the top is equipped with the connecting plate, the sliding sleeve cover is established in the outside of horizontal pole, the connecting plate passes through bolt and buffer board fixed connection, the outside of horizontal pole still is equipped with spring one and flange, at the in-process of pump body vibrations, the elastic plate takes place to warp, spring one takes place to warp with spring two, can effectually cushion the buffer board and the pump body, reduce the vibrations of the pump body, under hydraulic damper's effect, avoid aggravating rocking of buffer board and the pump body because the flexible resilience of spring one and spring two, the device's stability has been improved.

2. The utility model discloses in, the guide arm is fixed on the inner wall that leads to the groove, and the buffer board runs through the guide arm, and the guide arm can carry on spacingly to the buffer board for the buffer board can only remove in the vertical direction, has improved the device's stability.

Drawings

Fig. 1 shows a schematic view of a connection structure of a pump body and a buffer frame according to an embodiment of the present invention;

fig. 2 is a schematic side view of a buffer frame according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a structure of a buffer member according to an embodiment of the present invention;

illustration of the drawings:

1. a buffer frame; 2. a buffer plate; 3. a pump body; 4. a flange; 5. a buffer member; 6. a hydraulic damper; 7. a first spring; 8. a cross bar; 9. a cushioning pad; 10. a second spring; 11. a guide bar; 12. a through groove; 501. an elastic plate; 502. a connecting plate; 503. and (4) a sliding sleeve.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the sanitary centrifugal pump comprises a pump body 3 and further comprises a buffer frame 1, a buffer plate 2 in the horizontal direction is arranged in an inner cavity of the buffer frame 1, a cross rod 8, a hydraulic damper 6 and a buffer piece 5 are arranged at the bottom of the buffer plate 2, the cross rod 8 is fixed on the inner walls of two sides of the buffer frame 1, one end of the hydraulic damper 6 is fixedly connected with the buffer plate 2, the other end of the hydraulic damper is fixedly connected with the buffer frame 1, a flange 4 and a spring I7 are arranged outside the cross rod 8, the flange 4 is fixed on the outer wall of the cross rod 8, the buffer piece 5 comprises an elastic plate 501 arranged in an arc shape, the spring I7 is positioned on two sides of the elastic plate 501, a sliding sleeve 503 is arranged at the bottom end of the elastic plate 501, a connecting plate 502 is arranged at the top end of the elastic plate, during the movement of the buffer plate 2 in the vertical direction, the first spring 7 and the elastic plate 501 are deformed.

Specifically, as shown in fig. 1 and 2, logical groove 12 has all been seted up on the both sides wall of buffer frame 1, the outside cover that the inside that leads to groove 12 was equipped with guide arm 11 and guide arm 11 is equipped with spring two 10, the vertical both ends of guide arm 11 and the inner wall fixed connection who leads to groove 12, guide arm 11 can be spacing buffer board 2, make buffer board 2 only move on vertical direction, buffer board 2 penetrates the inner chamber that leads to groove 12 and overlaps and establish in the outside of guide arm 11, spring two 10 are located the vertical both ends of guide arm 11, spring two 10 can give the ascending buffering power of buffer board 2 vertical direction.

Specifically, as shown in fig. 1 and 3, the elastic plate 501, the sliding sleeve 503 and the connecting plate 502 are an integrally formed structure, so that the generation of other stresses is avoided, and the stability is higher.

Specifically, as shown in fig. 1, the lower surface wall of the buffer frame 1 is bonded with a cushioning pad 9, and the cushioning pad 9 prevents the buffer frame 1 from being in rigid contact with the contact surface, so that a certain buffering effect can be exerted on the buffer frame 1.

The working principle is as follows: at the in-process of the work of the pump body 3, the pump body 3 drives the buffer board 2 and takes place vibrations, under the effect of guide arm 11, buffer board 2 shakes in vertical direction, spring one 7, spring two 10 and elastic plate 501 take place deformation, can play absorbing effect to buffer board 2 and the pump body 3, reduce the vibrations of the pump body 3, under the effect of hydraulic damper 6, avoid buffer board 2 because the flexible resilience of spring one 7 and spring two 10 aggravates rocking of buffer board 2 and the pump body 3, the stability of the device has been improved.

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. Sanitary-grade centrifugal pump, including the pump body (3), its characterized in that still includes buffering frame (1), the inner chamber of buffering frame (1) is equipped with buffer board (2) on the horizontal direction, the bottom of buffer board (2) is equipped with horizontal pole (8), hydraulic damper (6) and buffer (5), the outside of horizontal pole (8) is equipped with flange (4) and spring (7), buffer (5) are including elastic plate (501) that are the arc form setting, the bottom of elastic plate (501) is equipped with sliding sleeve (503), and the top is equipped with connecting plate (502), the outside at horizontal pole (8) is established to sliding sleeve (503) cover, connecting plate (502) are through bolt and buffer board (2) fixed connection.

2. The centrifugal pump of the sanitary level as recited in claim 1, wherein the two side walls of the buffer frame (1) are provided with through grooves (12), the inside of the through groove (12) is provided with a guide rod (11), the outside of the guide rod (11) is sleeved with a second spring (10), and the buffer plate (2) penetrates through the inner cavity of the through groove (12) and is sleeved outside the guide rod (11).

3. Sanitary-grade centrifugal pump according to claim 2, characterized in that the second spring (10) is located at the vertical ends of the guide rod (11).

4. Sanitary centrifugal pump according to claim 1, wherein the elastic plate (501), the sliding sleeve (503) and the connecting plate (502) are of an integrally formed structure.

5. Sanitary centrifugal pump according to claim 1, characterized in that the lower surface wall of the buffer frame (1) is glued with a cushioning pad (9).