CN220791564U - Pump assembly easy and convenient to assemble - Google Patents

Abstract

The utility model discloses a pump assembly with simple assembly, which comprises a shell, an inner support, an impeller, a rotating shaft and a rotating shaft support, wherein the shell is fixedly connected with the inner support, the impeller is arranged between an assembly body of the shell and the inner support, the impeller is inserted into the rotating shaft, and the rotating shaft support wraps the rotating shaft in the rotating shaft support, so that the rotating shaft is supported and kept at a preset position. The pump that this application provided and assembled portably comprises the great integrated spare part of volume, and spare part quantity is less, and assembly process is few, and assembly speed is fast, and the assembly is simple and convenient, and production efficiency is high.

Description

Pump assembly easy and convenient to assemble

Technical Field

The application belongs to the technical field of liquid pumps, and particularly relates to a pump assembly which is convenient to assemble.

Background

A liquid pump is a very common industrial liquid delivery device, which generally pumps liquid in one environment to another environment, and has the advantages of time and labor saving and high efficiency relative to manual transportation. However, in the prior art, the structure of the liquid pump is complex, parts are numerous, assembly is extremely difficult, and production efficiency is low.

Disclosure of Invention

In order to solve the above problems, the present application provides a pump assembly with simple assembly, including a housing, an inner support, an impeller, a rotation shaft and a rotation shaft support, wherein the housing and the inner support are fixedly connected together, the impeller is disposed between the housing and an assembly body of the inner support, the impeller and the rotation shaft are inserted together, and the rotation shaft support wraps the rotation shaft inside the rotation shaft support, so as to hold the rotation shaft up and keep at a preset position.

Preferably, the housing has an interior chamber in which the impeller is mounted, the housing having at least one liquid inlet and at least one liquid outlet, the liquid inlet and the liquid outlet each being in fluid communication with the interior chamber of the housing.

Preferably, the impeller has at least one inlet and at least one outlet, the inlet being in fluid communication with the interior chamber of the housing, the outlet being in fluid communication with the outlet of the housing, the inlet being in fluid communication with the outlet.

Preferably, the internal bracket comprises a mounting section, a supporting section and a matching section, the mounting section is fixedly connected with the shell, the supporting section is used for connecting the mounting section with the matching section, the minimum inner diameter of the matching section is slightly larger than the outer diameter of the rotating shaft, and the rotating shaft penetrates through the matching section of the internal bracket and is fixedly connected with the impeller; the shape of the matching section is approximately a conical cylinder, the outer diameter of one end is smaller than that of the other end, and the impeller is close to one end with the large outer diameter of the matching section; the mounting section, the supporting section and the matching section are integrally formed.

Preferably, the impeller further comprises a mounting portion, a mounting hole is formed in the mounting portion, and the rotating shaft is inserted into the mounting hole, so that the impeller and the rotating shaft are fixedly connected together.

Preferably, the rotary shaft comprises a first bearing and a second bearing, the first bearing and the second bearing are fixedly arranged inside the rotary shaft support, and the rotary shaft penetrates through the first bearing and the second bearing, so that the rotary shaft is connected with the first bearing and the second bearing.

Preferably, a first bearing mounting seat and a second bearing mounting seat are arranged in the rotating shaft support, the first bearing is fixedly mounted on the first bearing mounting seat in an interference fit mode, and the second bearing is fixedly mounted on the second bearing mounting seat in an interference fit mode.

Preferably, the device further comprises a first limit cover and a second limit cover, wherein the first limit cover and the second limit cover are respectively provided with a mounting through hole matched with the rotating shaft, the first limit cover is propped against the first bearing, and the first limit cover is fixedly connected with the first bearing mounting seat in a screw connection mode; the second limiting cover is abutted against the second bearing, and the second limiting cover is fixedly connected with the second bearing installation seat in a screw connection mode.

Preferably, a mechanical seal having a spring inside is further included, the mechanical seal being disposed in a gap between the inner support and the rotating shaft, thereby sealing the gap between the inner support and the rotating shaft.

The beneficial effects are that: the pump that this application provided and assembled portably comprises the great integrated spare part of volume, and spare part quantity is less, and assembly process is few, and assembly speed is fast, and the assembly is simple and convenient, and production efficiency is high.

Drawings

Fig. 1 is a schematic structural view of a pump assembly of the present utility model with simple assembly.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operational steps involved in the embodiments may be sequentially exchanged or adjusted in a manner apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of describing certain embodiments and are not necessarily intended to imply a required composition and/or order.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "connected," "coupled," and "connected," as used herein, unless otherwise indicated, are intended to encompass both direct and indirect connections (couplings).

Referring to fig. 1, the pump assembly provided by the utility model is simple in structure, high in integration degree, few in parts and components, few in assembly procedures and capable of greatly improving assembly speed and production efficiency.

The pump comprises a shell 1, an inner support 2, an impeller 3, a rotating shaft 4 and a rotating shaft support 5, wherein the shell 1 is fixedly connected with the inner support 2, the impeller 3 is arranged between the shell 1 and an assembly body of the inner support 2, the impeller 3 and the rotating shaft 4 are inserted together, and the rotating shaft 4 is wrapped inside the rotating shaft support 5, so that the rotating shaft 4 is supported and kept at a preset position.

Specifically, the housing 1 has an inner chamber 11, the impeller 3 is mounted in the inner chamber 11, the housing 1 has at least one liquid inlet 13 and at least one liquid outlet 12, and the liquid inlet 13 and the liquid outlet 12 are in fluid communication with the inner chamber 11 of the housing 1. The impeller 3 is arranged in the inner chamber 11 of the shell 1, the impeller 3 rotates at a high speed, and the impeller 3 sucks the liquid at the liquid inlet 13 to the liquid outlet 12, so that the purpose of pumping is realized.

The impeller 3 has at least one inlet port 31 and at least one outlet port 32, the inlet port 31 being in fluid communication with the internal chamber 11 of the housing 1, the outlet port 32 being in fluid communication with the outlet port 12 of the housing 1, the inlet port 31 being in fluid communication with the outlet port 32. During the high-speed rotation of the impeller 3, the liquid in the internal chamber 11 of the casing 1 is delivered to the liquid outlet 32 by the liquid inlet 31, and flows out from the liquid outlet 12 of the casing 1.

The internal support 2 comprises a mounting section 21, a supporting section 23 and a matching section 22, wherein the mounting section 21 is fixedly connected with the housing 1, the supporting section 23 is used for connecting the mounting section 21 with the matching section 22, the minimum inner diameter of the matching section 22 is slightly larger than the outer diameter of the rotating shaft 4, and the rotating shaft 4 penetrates through the matching section 22 of the internal support 2 and is fixedly connected with the impeller 3.

Specifically, the shape of the matching section 22 is a conical cylinder, the outer diameter of one end is smaller than that of the other end, and the impeller 3 is close to one end with a large outer diameter of the matching section 22; the mounting section 21, the support section 23 and the mating section 22 are integrally formed.

The impeller 3 further comprises a mounting portion 33, the mounting portion 33 is provided with a mounting hole, and the rotating shaft 4 is inserted into the mounting hole, so that the impeller 3 and the rotating shaft 4 are fixedly connected together.

The pump further comprises a first bearing 71, a second bearing 72, the first bearing 71 and the second bearing 72 being fixedly mounted inside the rotation shaft bracket 5, the rotation shaft 4 passing through the first bearing 71 and the second bearing 72, whereby the rotation shaft 4 and the first bearing 71, the second bearing 72 are connected together.

Specifically, a first bearing mounting seat 51 and a second bearing mounting seat 52 are disposed in the rotating shaft bracket 5, the first bearing 71 is fixedly mounted on the first bearing mounting seat 51 in an interference fit manner, and the second bearing 72 is fixedly mounted on the second bearing mounting seat 52 in an interference fit manner.

The pump further comprises a first limit cover 81 and a second limit cover 82, wherein the first limit cover 81 and the second limit cover 82 are respectively provided with an installation through hole matched with the rotating shaft 4, the first limit cover 81 is propped against the first bearing 71, and the first limit cover 81 is fixedly connected with the first bearing installation seat 51 in a screw connection mode; similarly, the second limiting cover 82 abuts against the second bearing 72, and the second limiting cover 82 is fixedly connected with the second bearing mounting seat 51 through a screw connection mode. The first limiting cover 81 is used for limiting the first bearing 71 from being separated from the first bearing mounting seat 51, and the second limiting cover 82 is used for limiting the second bearing 72 from being separated from the second bearing mounting seat 52.

The pump further comprises a mechanical seal 6, the mechanical seal 6 having a spring inside, the mechanical seal 6 being placed in a gap between the inner support 2 and the rotation shaft 4, thereby sealing the gap between the inner support 2 and the rotation shaft 4.

The pump that this application provided and assembled portably comprises the great integrated spare part of volume, and spare part quantity is less, and assembly process is few, and assembly speed is fast, and the assembly is simple and convenient, and production efficiency is high.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims (8)

1. The pump assembly is characterized by comprising a shell, an inner support, an impeller, a rotating shaft and a rotating shaft support, wherein the shell is fixedly connected with the inner support, the impeller is arranged between the shell and an assembly body of the inner support, the impeller and the rotating shaft are spliced together, and the rotating shaft is wrapped inside the rotating shaft support by the rotating shaft support, so that the rotating shaft is supported and kept at a preset position; the inner support comprises a mounting section, a supporting section and a matching section, the mounting section is fixedly connected with the shell, the supporting section is used for connecting the mounting section with the matching section, the minimum inner diameter of the matching section is slightly larger than the outer diameter of the rotating shaft, and the rotating shaft penetrates through the matching section of the inner support and is fixedly connected with the impeller; the shape of the matching section is approximately a conical cylinder, the outer diameter of one end is smaller than that of the other end, and the impeller is close to one end with the large outer diameter of the matching section; the mounting section, the supporting section and the matching section are integrally formed.

2. The pump assembly of claim 1, wherein the housing has an interior chamber, the impeller being mounted in the interior chamber, the housing having at least one liquid inlet and at least one liquid outlet, the liquid inlet and the liquid outlet each being in fluid communication with the interior chamber of the housing.

3. The pump assembly of claim 2, wherein the impeller has at least one inlet port and at least one outlet port, the inlet port in fluid communication with the interior chamber of the housing, the outlet port in fluid communication with the outlet port of the housing, and the inlet port in fluid communication with the outlet port.

4. A pump assembly according to claim 3, wherein the impeller further comprises a mounting portion, the mounting portion defining a mounting aperture, the rotatable shaft being inserted into the mounting aperture so as to fixedly connect the impeller and the rotatable shaft together.

5. The pump assembly of claim 4, further comprising a first bearing, a second bearing, the first bearing and the second bearing fixedly mounted within the rotating shaft mount, the rotating shaft passing through the first bearing and the second bearing, whereby the rotating shaft and the first bearing, the second bearing are coupled together.

6. The pump assembly of claim 5, wherein a first bearing mount and a second bearing mount are disposed within the rotating shaft bracket, the first bearing being fixedly mounted to the first bearing mount by an interference fit, and the second bearing being fixedly mounted to the second bearing mount by an interference fit.

7. The pump assembly of claim 6, further comprising a first limit cap and a second limit cap, wherein the first limit cap and the second limit cap are provided with mounting through holes adapted to the rotating shaft, the first limit cap is abutted against the first bearing, and the first limit cap is fixedly connected with the first bearing mounting seat in a screw connection manner; the second limiting cover is abutted against the second bearing, and the second limiting cover is fixedly connected with the second bearing installation seat in a screw connection mode.

8. The pump assembly of claim 7, further comprising a mechanical seal having a spring therein, the mechanical seal being disposed in a gap between the inner support and the rotatable shaft for sealing a gap between the inner support and the rotatable shaft.