CN215719813U

CN215719813U - Centrifugal pump cover

Info

Publication number: CN215719813U
Application number: CN202122080029.3U
Authority: CN
Inventors: 王麟; 胡瑞剑
Original assignee: Dalian Lushun Hongda Chemical Equipment Co ltd
Current assignee: Dalian Lushun Hongda Chemical Equipment Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a centrifugal pump cover, which comprises a centrifugal pump shell and a pump cover body, wherein the upper side of the centrifugal pump shell is provided with a mounting opening, the mounting port is internally provided with a sealing gasket, the left side and the right side of the upper end surface of the centrifugal pump shell are both provided with positioning holes, the left side and the right side of the centrifugal pump shell are both provided with mounting holes, a fixed elbow clip is arranged outside the mounting holes, the outer side of the pump cover body is provided with the mounting plate, and the left side and the right side of the mounting plate are both longitudinally provided with the positioning devices, so that the centrifugal pump cover provided by the utility model can conveniently align the guide shaft with the positioning hole, is convenient to mount, avoids the phenomenon of wasting mounting time due to difficult alignment, simultaneously through make its elbow press from both sides the tip to fix the guiding axle in the locating hole through the effect of fixed elbow clamp after pushing down the guiding axle in the locating hole, the convenient pump cap body of installing.

Description

Centrifugal pump cover

Technical Field

The utility model relates to the technical field of centrifugal pump covers, in particular to a centrifugal pump cover.

Background

A centrifugal pump is a pump body which is commonly used and operates by using a centrifugal force generated by water due to rotation of an impeller, and a pump cover of the centrifugal pump is one of main components of the centrifugal pump and plays an important role in operation of the entire centrifugal pump.

However, the pump cover of the general centrifugal pump is inconvenient to install and disassemble, is not easy to align during installation, is inconvenient to lock the pump cover on the shell of the centrifugal pump, and even can cause water leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centrifugal pump cover, which solves the problems that the common centrifugal pump cover provided in the background technology is inconvenient to install and disassemble, is not easy to align during installation, is inconvenient to lock the pump cover on a centrifugal pump shell, and even can cause water leakage.

In order to achieve the purpose, the utility model provides the following technical scheme: centrifugal pump cover, including centrifugal pump casing and pump cover body, the upside of centrifugal pump casing is provided with the installing port, be provided with sealed the pad in the installing port, the left and right sides of centrifugal pump casing up end all is provided with the locating hole, the left and right sides of centrifugal pump casing all is provided with the mounting hole, the mounting hole is provided with fixed elbow outward and presss from both sides, the outside of pump cover body is provided with the mounting panel, the left and right sides of mounting panel all vertically sets up positioner, positioner includes flanged linear bearing, guiding axle, first metal packing ring, round wire spiral spring and second metal packing ring.

Preferably, the sealing pad may be an asbestos rubber sheet pad, a rubber sheet pad or a non-asbestos sheet pad.

Preferably, the center line of the positioning hole and the center line of the mounting hole are both in the same vertical plane, and the inner end of the mounting hole is communicated with the inner cavity of the positioning hole.

Preferably, the center lines of the positioning hole, the linear bearing with the flange and the guide shaft are all on the same vertical line.

Preferably, the guide shaft is arranged in the bearing of the linear bearing with the flange in a penetrating manner, the first metal washer is arranged at the upper end of the guide shaft, the round wire coil spring and the second metal washer are both arranged on the shaft rod of the guide shaft, and the height of the round wire coil spring is greater than that of the second metal washer.

Preferably, the lower end of the guide shaft is provided with a limiting head, and the diameter of the limiting head is larger than that of the inner hole of the second metal washer.

Compared with the prior art, the utility model has the beneficial effects that: the centrifugal pump cover provided by the utility model can conveniently align the guide shaft with the positioning hole, is convenient to install, avoids the phenomenon of waste of installation time caused by difficult alignment, and simultaneously fixes the elbow clamp end head of the guide shaft in the positioning hole through the action of the fixed elbow clamp after the guide shaft is pressed down in the positioning hole, thereby conveniently installing the pump cover body.

Drawings

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

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an enlarged schematic view of fig. 1 at B.

In the figure: the pump comprises a centrifugal pump shell 1, a pump cover body 2, a mounting port 3, a sealing gasket 4, a positioning hole 5, a mounting hole 6, a fixed elbow clamp 7, a mounting plate 8, a linear bearing with a flange 9, a guide shaft 10, a first metal gasket 11, a circular wire spiral spring 12, a second metal gasket 13 and a limiting head 14.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a centrifugal pump cover comprises a centrifugal pump shell 1 and a pump cover body 2, wherein the centrifugal pump shell 1 and the pump cover body 2 are commercially available existing products, a mounting opening 3 is formed in the upper side of the centrifugal pump shell 1, a sealing gasket 4 is arranged in the mounting opening 3, the arrangement of the sealing gasket 4 can ensure that water does not leak in the centrifugal pump shell, the sealing performance of the device is ensured, positioning holes 5 are formed in the left side and the right side of the upper end face of the centrifugal pump shell 1, mounting holes 6 are formed in the left side and the right side of the centrifugal pump shell 1, the inner cavity of the positioning hole 5 and the inner end of the mounting hole 6 are in a communicated state, a fixed elbow clamp 7 is arranged outside the mounting hole 6, the elbow clamp 7 is a commercially available existing product, a mounting plate 7 is arranged on the outer side of the pump cover body 2, positioning devices are longitudinally arranged on the left side and the right side of the mounting plate 7, and can facilitate the positioning installation of the pump cover body 2 on the centrifugal pump cover shell 1 through the positioning holes 5 arranged on the centrifugal pump shell 1, the positioning device comprises a flanged linear bearing 8, a guide shaft 9, a first metal washer 10, a round wire spiral spring 11 and a second metal washer 12, wherein the diameters of the first metal washer 10 and the second metal washer 12 are larger than the diameter of the round wire spiral spring 11, the upper end of the round wire spiral spring 11 abuts against the lower end of the flanged linear bearing 8, and the lower end of the round wire spiral spring abuts against the upper end of the second metal washer 12.

Specifically, the sealing pad 4 may be an asbestos rubber sheet pad, a rubber sheet pad, or a non-asbestos sheet pad.

Specifically, the center line of the positioning hole 5 and the center line of the mounting hole 6 are both in the same vertical plane, and the inner end of the mounting hole 6 is communicated with the inner cavity of the positioning hole 5.

Specifically, the center lines of the positioning hole 5, the flanged linear bearing 8 and the guide shaft 9 are all on the same vertical line.

Specifically, the guide shaft 9 is disposed in the bearing of the flanged linear bearing 8, the first metal washer 10 is disposed at the upper end of the guide shaft 9, the round wire coil spring 11 and the second metal washer 12 are both disposed on the shaft of the guide shaft 9, and the height of the round wire coil spring 11 is greater than that of the second metal washer 12.

Specifically, the lower end of the guide shaft 9 is provided with a stopper 13, and the diameter of the stopper 13 is larger than the diameter of the inner hole of the second metal washer 12.

The working principle is as follows: when the centrifugal pump cover is in operation, the flanged linear bearing 9 and the guide shaft 10 which are arranged on the pump cover body 2 can be conveniently aligned and arranged in the positioning hole 5 on the centrifugal pump shell 1, after alignment, the limiting head 14 of the guide shaft 10 extends into the positioning hole 5 by pressing the pump cover body 2, then the wrench for fixing the elbow clamp 7 is pulled to fix the clamping end of the wrench to the guide shaft 10 in the positioning hole 5 through the mounting hole 6, and meanwhile, the circular spiral spring 12 is arranged between the flanged linear bearing 9 and the second metal gasket 12, so that the pump cover body 2 can be conveniently detached at the upper end of the centrifugal pump shell 1.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Centrifugal pump cover, its characterized in that: including centrifugal pump casing (1) and pump cover body (2), the upside of centrifugal pump casing (1) is provided with installing port (3), be provided with sealed pad (4) in installing port (3), the left and right sides of centrifugal pump casing (1) up end all is provided with locating hole (5), the left and right sides of centrifugal pump casing (1) all is provided with mounting hole (6), mounting hole (6) are provided with fixed elbow outward and press from both sides (7), the outside of pump cover body (2) is provided with mounting panel (8), the left and right sides of mounting panel (8) all vertically sets up positioner, positioner includes flanged linear bearing (9), guiding axle (10), first metal packing ring (11), circle line spiral spring (12) and second metal packing ring (13).

2. A centrifugal pump cover as claimed in claim 1, characterized in that: the sealing gasket (4) can be an asbestos rubber sheet gasket, a rubber sheet gasket or a non-asbestos sheet gasket.

3. A centrifugal pump cover as claimed in claim 1, characterized in that: the center line of the positioning hole (5) and the center line of the mounting hole (6) are both in the same vertical plane, and the inner end of the mounting hole (6) is communicated with the inner cavity of the positioning hole (5).

4. A centrifugal pump cover as claimed in claim 1, characterized in that: the center lines of the positioning hole (5), the linear bearing (8) with the flange and the guide shaft (9) are all on the same vertical line.

5. A centrifugal pump cover as claimed in claim 1, characterized in that: the guide shaft (9) penetrates through the bearing of the linear bearing (8) with the flange, the first metal gasket (10) is arranged at the upper end of the guide shaft (9), the round wire spiral spring (11) and the second metal gasket (12) are both arranged on a shaft rod of the guide shaft (9), and the height of the round wire spiral spring (11) is larger than that of the second metal gasket (12).

6. A centrifugal pump cover as claimed in claim 1, characterized in that: the lower end of the guide shaft (9) is provided with a limiting head (14), and the diameter of the limiting head (13) is larger than that of the inner hole of the second metal washer (12).