CN211314655U

CN211314655U - Volute type centrifugal pump shell with high sealing performance

Info

Publication number: CN211314655U
Application number: CN201922398365.5U
Authority: CN
Inventors: 杨跃
Original assignee: Yangzhou Jiangdu District Feiyue Pump Industry Co ltd
Current assignee: Yangzhou Jiangdu District Feiyue Pump Industry Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-21
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a high-tightness volute type centrifugal pump shell, which comprises a centrifugal pump shell main body, wherein an impeller is fixedly arranged inside the centrifugal pump shell main body, a connecting cylinder is fixedly embedded in the middle of one side wall of the centrifugal pump shell main body, one side wall of the connecting cylinder is fixedly connected with a connecting flange sheet, one side of the connecting cylinder is provided with a water pipe, the outer wall of the water pipe is fixedly connected with a mounting flange sheet, the connecting flange sheet is fixedly connected with a sealing washer close to one side wall of the mounting flange sheet, and the connecting flange sheet is fixedly connected with the mounting flange sheet through a bolt, and by matching with a sealing gasket, a leakage path is increased, and the sealing performance is better.

Description

Volute type centrifugal pump shell with high sealing performance

Technical Field

The utility model relates to a centrifugal pump casing, in particular to high leakproofness spiral case formula centrifugal pump casing.

Background

The centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

When the centrifugal pump works, in order to generate sufficient negative pressure, a shell of the centrifugal pump needs to have good sealing performance, particularly, a good anti-leakage structure needs to be arranged between a water pipe connected into the shell of the centrifugal pump and the shell of the centrifugal pump, otherwise, the internal negative pressure is not enough, and in the existing centrifugal pump shell, a mounting plate at the bottom of the centrifugal pump shell is fixed and only can be used by a part of mounting planes, so that the mounting flexibility is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness spiral case formula centrifugal pump casing to solve the not good, the inconvenient problem of installation of the leakproofness that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a volute type centrifugal pump shell with high sealing performance comprises a centrifugal pump shell body, wherein an impeller is fixedly mounted inside the centrifugal pump shell body, and a connecting cylinder is fixedly embedded in the middle of one side wall of the centrifugal pump shell body.

As a preferred technical scheme of the utility model, a lateral wall fixedly connected with flange piece of connecting cylinder, one side of connecting cylinder is equipped with the water pipe, the outer wall fixedly connected with mounting flange piece of water pipe.

As a preferred technical scheme of the utility model, a flange piece is close to a lateral wall fixedly connected with seal ring of mounting flange piece, the flange piece passes through bolt fixed connection with the mounting flange piece.

As a preferred technical scheme of the utility model, the avris fixedly connected with collar of connecting cylinder inner wall, a plurality of compression spring of a lateral wall fixedly connected with of collar.

As an optimal technical scheme of the utility model, one side of collar is equipped with the clamp ring, and is a plurality of compression spring keeps away from one end of collar and a lateral wall fixed connection of clamp ring.

As a preferred technical scheme of the utility model, the bottom of centrifugal pump case main part both sides all is connected with the backup pad, relative two through the mounting screw rotation equal fixedly connected with mounting panel, two between the backup pad the top fixedly connected with elastic block of mounting panel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the collar, under the use of a plurality of compression springs of cooperation and clamp ring, can insert centrifugal pump case main part when the water pipe, utilize compression spring's elasticity to make clamp ring and water pipe fully paste tightly, the joint gap that significantly reduces improves the water seepage degree of difficulty, and cooperation seal ring has increased the seepage route, and sealing performance is better.

2. The utility model discloses set up two pairs of backup pads, under the use of cooperation mounting panel and mounting screw, can be in a flexible way according to installation face angle, adjust the installation angle of mounting panel, it is more convenient, nimble to load and unload, and the cooperation elastic block can absorb, cushion the vibrations that centrifugal pump during operation produced, effectively reduces vibrations and noise.

Drawings

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

FIG. 2 is a cross-sectional view of the connector of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural view of the elastic block of the present invention;

fig. 5 is a schematic structural diagram of the mounting ring of the present invention.

In the figure: 1. a centrifugal pump housing body; 2. an impeller; 3. connecting the flange pieces; 4. a sealing gasket; 5. a support plate; 6. mounting a plate; 7. a connecting cylinder; 8. a water pipe; 9. a mounting ring; 10. a compression ring; 11. a compression spring; 12. installing a flange sheet; 13. an elastic block; 14. and (5) mounting screws.

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.

Referring to fig. 1-5, the present invention provides a technical solution of a volute centrifugal pump casing with high sealing performance:

according to fig. 1 and 3, the centrifugal pump shell comprises a centrifugal pump shell main body 1, an impeller 2 is fixedly mounted inside the centrifugal pump shell main body 1, a connecting cylinder 7 is fixedly embedded in the middle of one side wall of the centrifugal pump shell main body 1, an installation ring 9 is fixedly connected to the side of the inner wall of the connecting cylinder 7, a plurality of compression springs 11 are fixedly connected to one side wall of the installation ring 9, a compression ring 10 is arranged on one side of the installation ring 9, and one ends, far away from the installation ring 9, of the compression springs 11 are fixedly connected to one side wall of the compression ring 10.

According to fig. 3, a side wall fixedly connected with flange piece 3 of connecting cylinder 7, one side of connecting cylinder 7 is equipped with water pipe 8, the outer wall fixedly connected with mounting flange piece 12 of water pipe 8, a side wall fixedly connected with seal ring 4 that flange piece 3 is close to mounting flange piece 12 increases the infiltration route, the reinforcing is sealed, leak protection water ability, flange piece 3 passes through bolt fixed connection with mounting flange piece 12, the dismouting is convenient.

According to fig. 1 and 4, the bottoms of the two sides of the centrifugal pump shell body 1 are rotatably connected with the supporting plates 5 through the mounting screws 14, the mounting screws 14 are unscrewed, the angles of the supporting plates 5 can be adjusted, the mounting requirements of mounting surfaces with different angles can be flexibly met, the mounting plates 6 are fixedly connected between the two opposite supporting plates 5, the elastic blocks 13 are fixedly connected to the top ends of the two mounting plates 6, and the elastic blocks 13 can absorb vibration parts generated by the operation of the centrifugal pump, so that noise is reduced.

When the volute centrifugal pump casing is used, an operator can connect the water pipe 8 with the connecting cylinder 7, the water pipe 8 can extrude the compression springs 11 along with the insertion of the water pipe 8 into the connecting cylinder 7, the compression springs 11 can fully cling the compression ring 10 to the water pipe 8 under the elastic force recovery, the connecting gap between the connecting cylinder 7 and the water pipe 8 is greatly reduced, then the connecting flange sheet 3 is fixedly connected with the mounting flange sheet 12 by means of bolts, when the centrifugal pump casing main body 1 is installed, the mounting screws 14 can be unscrewed according to the angle of the mounting surface, the connecting angle between the supporting plate 5 and the centrifugal pump casing main body 1 is adjusted, so that the mounting plate 6 is matched with the angle of the mounting surface, the mounting plate 6 and the mounting surface through screws are installed, when the volute centrifugal pump casing main body 1 is used, the elastic blocks 13 can be compressed at the bottom of the centrifugal pump casing main body 1, and part of vibration force of the centrifugal pump casing main body 1 can be transmitted to the, the elastic block 13 absorbs the shock.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 high leakproofness spiral case centrifugal pump casing, includes centrifugal pump case main part (1), its characterized in that: the impeller (2) is fixedly installed inside the centrifugal pump shell main body (1), and the connecting cylinder (7) is fixedly embedded in the middle of one side wall of the centrifugal pump shell main body (1).

2. The volute centrifugal pump casing of claim 1, wherein: a side wall fixedly connected with flange piece (3) of connecting cylinder (7), one side of connecting cylinder (7) is equipped with water pipe (8), the outer wall fixedly connected with mounting flange piece (12) of water pipe (8).

3. The volute centrifugal pump housing of claim 2, wherein: a side wall fixedly connected with seal ring (4) that flange piece (3) is close to mounting flange piece (12), flange piece (3) passes through bolt fixed connection with mounting flange piece (12).

4. The volute centrifugal pump casing of claim 1, wherein: the avris fixedly connected with collar (9) of connecting cylinder (7) inner wall, a plurality of compression spring (11) of a lateral wall fixedly connected with of collar (9).

5. The volute centrifugal pump housing of claim 4, wherein: one side of the mounting ring (9) is provided with a pressing ring (10), and one end, far away from the mounting ring (9), of each compression spring (11) is fixedly connected with one side wall of the pressing ring (10).

6. The volute centrifugal pump casing of claim 1, wherein: the centrifugal pump shell is characterized in that supporting plates (5) are rotatably connected to the bottoms of two sides of the centrifugal pump shell main body (1) through mounting screws (14), the supporting plates (5) are opposite to each other, mounting plates (6) are fixedly connected between the supporting plates (5), and elastic blocks (13) are fixedly connected to the top ends of the mounting plates (6).