CN207935099U - A kind of corrosion resistant fluoroplastics centrifugal pump - Google Patents
A kind of corrosion resistant fluoroplastics centrifugal pump Download PDFInfo
- Publication number
- CN207935099U CN207935099U CN201820100788.7U CN201820100788U CN207935099U CN 207935099 U CN207935099 U CN 207935099U CN 201820100788 U CN201820100788 U CN 201820100788U CN 207935099 U CN207935099 U CN 207935099U
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- China
- Prior art keywords
- pump
- impeller
- face
- shaft
- housing
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Abstract
The utility model discloses a kind of corrosion resistant fluoroplastics centrifugal pump, it is related to centrifuging pump technical field.In the utility model：Impeller is equipped in the pump housing；Impeller end face is equipped with pump shaft；Pump shaft is connect across bearing housing with shaft coupling；The shaft coupling other end is fixedly connected with motor；Back shroud is fixed on all sides of wheel hub；Blade is distributed between front shroud and back shroud, and wheel hub end face is equipped with annular protrusion；One surface of annular protrusion is evenly equipped with protrusion；One end that pump shaft is connect with impeller is nested with an axle sleeve；Axle sleeve end face is equipped with groove；Protrusion coordinates with groove.The utility model improves the corrosion resistance of excessively stream part, improves the service life of impeller, improve production efficiency, reduce maintenance cost by being equipped with fluoroplastic layer in the outer surface of the flow passage parts such as impeller, pump cover and the pump housing；Cooperation positioning is carried out by the groove in the protrusion and axle sleeve on impeller hub to fix, and prevents impeller from relatively rotating with pump shaft, and facilitate the installation and dismounting of impeller.
Description
Technical field
The utility model belongs to centrifugation pump technical field, more particularly to a kind of corrosion resistant fluoroplastics centrifugal pump.
Background technology
Liquid ability is big, and uniform flow is stablized, easy to use, low cost because it is conveyed for centrifugal pump, has extremely extensive
Using.Centrifugal pump manufacture material category used includes cast iron, stainless steel, ceramics, various plastics etc..For conveying deep-etching
Property acid, alkali, salt medium, the component of dominant touch fluid is to use fluoroplastics or Fluoroine-containing plastic alloy.
The impeller of existing centrifugal pump is generally fixed on by impeller nut on pump shaft, in use often
There is the phenomenon that impeller relatively rotates with pump shaft, reduces the production efficiency and service life of centrifugal pump.
Utility model content
The purpose of this utility model is to provide a kind of corrosion resistant fluoroplastics centrifugal pumps, by impeller, pump cover and pump
The outer surface of the flow passage parts such as body is equipped with fluoroplastic layer, improves the corrosion resistance of excessively stream part, improves the service life of impeller,
Production efficiency is improved, maintenance cost is reduced；It is solid that cooperation positioning is carried out by the groove in the protrusion and axle sleeve on impeller hub
It is fixed, prevent impeller from relatively rotating with pump shaft, and facilitate the installation and dismounting of impeller, processing convenient for assembly.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
The utility model is a kind of corrosion resistant fluoroplastics centrifugal pump, including pedestal；It is disposed with electricity on the pedestal
Machine, shaft coupling, bearing housing and the pump housing；The pump housing end face is equipped with a through hole and a holder, is equipped in the through hole
One mechanically-sealing apparatus；The pump housing end face is connect by holder with bearing housing；The pump housing other end is connected with pump cover,
The pump cover two sides are respectively equipped with a water inlet and a water outlet；An impeller is equipped in the pump housing；The impeller end face
One pump shaft is installed；The pump shaft is connect across bearing housing with shaft coupling；The output shaft of the shaft coupling other end and motor is solid
Fixed connection；
Wherein, the impeller includes front shroud, back shroud, blade and wheel hub；The back shroud is fixed on the side of wheel hub
Face；The blade is distributed between front shroud and back shroud, and the wheel hub end face is equipped with an annular protrusion；The annular protrusion
One surface is evenly equipped with several protrusions；One end that the pump shaft is connect with impeller is nested with an axle sleeve；The axle sleeve end face is equipped with
Several grooves；The protrusion coordinates with groove.
Further, the pump housing, pump cover, impeller include the metal insert and coated metal inserts for being used as inner frame
Corrosion-resistant fluoroplastic layer improves the corrosion resistance of excessively stream part.
Further, the inner cavity of one end that the pump shaft is connect with impeller be equipped with a turnbuckle, by turnbuckle with
Impeller is fixedly connected by impeller nut cooperation with pump shaft.
Further, the opposite sides face of the bearing housing be equipped with one for pump shaft by bearing hole；The bearing
Internal surface of hole is equipped with a bearing, and pump shaft is facilitated to rotate.
The utility model has the advantages that：
The utility model is equipped with a fluoroplastic layer in the outer surface of the flow passage parts such as impeller, pump cover and the pump housing, improves
The corrosion resistance of stream part improves the service life of impeller, improves production efficiency, reduces maintenance cost；By in impeller hub
On protrusion and axle sleeve on groove carry out cooperation positioning fix, prevent impeller from relatively rotating with pump shaft, and facilitate
The installation and dismounting of impeller, processing convenient for assembly.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of corrosion resistant fluoroplastics centrifugal pump；
Fig. 2 is the cross-sectional view of impeller；
Fig. 3 is the front view of impeller；
Fig. 4 is the rearview of impeller；
Fig. 5 is the front view of bearing；
In attached drawing, parts list represented by the reference numerals are as follows：
1- pedestals, 2- motors, 3- shaft couplings, 4- bearing housings, 5- pump shafts, 6- bearings, the 7- pump housings, 8- pump covers, 9- impellers,
701- holders, 702- mechanically-sealing apparatus, 801- water inlets, 802- water outlets.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " trepanning ", "upper", "lower", " thickness ", "top",
" in ", " length ", "inner", indicating positions or the position relationship such as " surrounding ", be merely for convenience of description the utility model and simplification
Description, does not indicate or imply the indicated component or element must have a particular orientation, with specific azimuth configuration and behaviour
Make, therefore should not be understood as limiting the present invention.
It please refers to Fig.1 shown in -5, the utility model is a kind of corrosion resistant fluoroplastics centrifugal pump, including pedestal 1；Pedestal 1
On be disposed with motor 2, shaft coupling 3, bearing housing 4 and the pump housing 7；7 end face of the pump housing is equipped with a through hole and a holder 701,
One mechanically-sealing apparatus 702 is installed in through hole；7 end face of the pump housing is connect by holder 701 with bearing housing 4；The pump housing 7 is another
End face is connected with pump cover 8, and 8 two sides of pump cover are respectively equipped with a water inlet 801 and a water outlet 802；An impeller is equipped in the pump housing 7
9；9 end face of impeller is equipped with a pump shaft 5；Pump shaft 5 is connect across bearing housing 4 with shaft coupling 3；3 other end of shaft coupling and motor 2
Output shaft be fixedly connected；
Wherein, impeller 9 includes front shroud 901, back shroud 902, blade 903 and wheel hub 904；Back shroud 901 is fixed on wheel
All sides of hub 904；Blade 903 is distributed between front shroud 901 and back shroud 902, and 904 end face of wheel hub is equipped with a convex annular
Play 905；905 1 surface of annular protrusion is evenly equipped with several raised 906；One end that pump shaft 5 is connect with impeller 9 is nested with an axle sleeve
501；501 end face of axle sleeve is equipped with several grooves 502；Protrusion 906 coordinates with groove 502.
Wherein, the pump housing 7, pump cover 8, impeller 9 include the corrosion resistant of the metal insert and coated metal inserts that are used as inner frame
Fluoroplastic layer is lost, the corrosion resistance of excessively stream part is improved.
Wherein, the inner cavity of one end that pump shaft 5 is connect with impeller 9 is equipped with a turnbuckle, passes through turnbuckle and impeller spiral shell
Impeller 9 is fixedly connected by mother's cooperation with pump shaft 5.
Wherein, the opposite sides face of bearing housing 4 be equipped with one for pump shaft 5 by bearing hole；Bearing internal surface of hole is pacified
Equipped with a bearing, pump shaft 5 is facilitated to rotate.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of corrosion resistant fluoroplastics centrifugal pump, including pedestal (1)；It is characterized in that：It is disposed on the pedestal (1)
Motor (2), shaft coupling (3), bearing housing (4) and the pump housing (7)；The pump housing (7) end face is equipped with a through hole and a holder
(701), a mechanically-sealing apparatus (702) is installed in the through hole；The pump housing (7) end face by holder (701) with
Bearing housing (4) connects；The pump housing (7) other end is connected with pump cover (8)；
Pump cover (8) two sides are respectively equipped with a water inlet (801) and a water outlet (802)；
An impeller (9) is equipped in the pump housing (7)；Impeller (9) end face is equipped with a pump shaft (5)；The pump shaft (5) is worn
Bearing housing (4) is crossed to connect with shaft coupling (3)；Shaft coupling (3) other end is fixedly connected with the output shaft of motor (2)；
Wherein, the impeller (9) includes front shroud (901), back shroud (902), blade (903) and wheel hub (904)；The rear cover
Plate (902) is fixed on all sides of wheel hub (904)；The blade (903) be distributed on front shroud (901) and back shroud (902) it
Between, wheel hub (904) end face is equipped with an annular protrusion (905)；(905) one surface of the annular protrusion is evenly equipped with several convex
It rises (906)；
One end that the pump shaft (5) connect with impeller (9) is nested with an axle sleeve (501)；The axle sleeve (501) is if end face is equipped with
Dry groove (502)；The protrusion (906) coordinates with groove (502).
2. a kind of corrosion resistant fluoroplastics centrifugal pump according to claim 1, which is characterized in that the pump housing (7), pump cover
(8), impeller (9) includes the corrosion-resistant fluoroplastic layer of the metal insert and coated metal inserts that are used as inner frame.
3. a kind of corrosion resistant fluoroplastics centrifugal pump according to claim 1, which is characterized in that the pump shaft (5) and leaf
The inner cavity for taking turns one end of (9) connection is equipped with a turnbuckle.
4. a kind of corrosion resistant fluoroplastics centrifugal pump according to claim 1, which is characterized in that the bearing housing (4)
Opposite sides face be equipped with one for pump shaft (5) by bearing hole；The bearing internal surface of hole is equipped with a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100788.7U CN207935099U (en) | 2018-01-22 | 2018-01-22 | A kind of corrosion resistant fluoroplastics centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100788.7U CN207935099U (en) | 2018-01-22 | 2018-01-22 | A kind of corrosion resistant fluoroplastics centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207935099U true CN207935099U (en) | 2018-10-02 |
Family
ID=63649268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820100788.7U Expired - Fee Related CN207935099U (en) | 2018-01-22 | 2018-01-22 | A kind of corrosion resistant fluoroplastics centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207935099U (en) |
-
2018
- 2018-01-22 CN CN201820100788.7U patent/CN207935099U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 Termination date: 20210122 |