CN208294831U - A kind of anti-clogging half-opened impeller - Google Patents
A kind of anti-clogging half-opened impeller Download PDFInfo
- Publication number
- CN208294831U CN208294831U CN201820709190.8U CN201820709190U CN208294831U CN 208294831 U CN208294831 U CN 208294831U CN 201820709190 U CN201820709190 U CN 201820709190U CN 208294831 U CN208294831 U CN 208294831U
- Authority
- CN
- China
- Prior art keywords
- blade
- wheel disc
- clogging
- connecting hole
- impeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of anti-clogging half-opened impeller, it is related to centrifugal pump impeller technical field, including wheel disc, blade and the connecting hole being arranged at wheel disc axle center, the blade is integrally formed on wheel disc along wheel disc axis direction in crescent, the intrados of the blade is set as inclined surface, and the inclined surface top convexes to form cutter towards connecting hole direction.The utility model avoids cutter device itself from resulting in blockage impeller, prevents the reduction of fluid lift, improve the working efficiency of centrifugal pump by the way that blade polishing is cut sundries at cutter.
Description
Technical field
The utility model relates to centrifugal pump impeller technical fields, more specifically, it relates to a kind of anti-clogging semi-open type leaf
Wheel.
Background technique
Impeller is the core of centrifugal pump, and centrifugal pump is done work by pump shaft impeller to interlobate fluid is located at,
Fluid centrifugalization is thrown to periphery by impeller center.Impeller is broadly divided into double shrouded wheel, half-opened impeller and open type leaf
Wheel.Half-opened impeller is chiefly used in the lower axial-flow pump of lift, it can also be used in slush pump.
In the prior art, patent announcement number is that the Chinese patent of CN204828025U proposes a kind of semi-open type water pump leaf
Wheel, including wheel disc, be arranged at wheel disk center connecting hole for being mounted on impeller on transmission shaft and with the wheel disc one
Molding blade；Face side of the every blade in its front end is welded with a cutting for being cut to the sundries in liquid
Portion；The end face of cutting part is triangular in shape.
Semi-open type water pump vane as described above forms the runner flowed for fluid between centrifugal blade, in order to cut
Sundries has welded cutting part on blade, but cutting part itself be located at it is on blade and projecting inward to runner, can be in runner
Fluid generate obstruction, result in blockage to impeller, reduce the lift of fluid, influence the working efficiency of centrifugal pump.
Utility model content
Cutting part has been welded on blade for half-opened impeller in practice in order to cut sundries, but cutting part sheet
The problem of body is located on blade and outwardly protrudes, and can result in blockage to impeller, reduces lift, influences the working efficiency of pump, this
Purpose of utility model is to propose a kind of anti-clogging half-opened impeller, by the way that blade polishing is cut sundries at cutter, keep away
Exempt from cutter device itself to result in blockage to impeller, prevents the reduction of fluid lift, improve the working efficiency of centrifugal pump, concrete scheme is such as
Under:
A kind of anti-clogging half-opened impeller, including wheel disc, blade and the connecting hole being arranged at wheel disc axle center, feature
It is,
The blade is integrally formed on wheel disc along wheel disc axis direction in crescent, and the intrados of the blade is set as
Inclined surface；
The inclined surface top convexes to form cutter towards connecting hole direction.
Through the above technical solutions, inclined surface is set by blade face, since impeller passes through centrifugal force at work
Fluid is set radially outward to dish out along wheel disc, the sundries in fluid also possesses the trend moved out therewith, and sundries strikes inclined-plane
Afterwards, moved near the cutter edge of a knife along inclined-plane, the cutting of the cutter that are rotated cut it is broken, to reduce the congestion of runner, together
When sundries cut by flabellum itself, avoided cutter device blocking caused by impeller itself, it is therefore prevented that the drop of fluid lift
It is low, improve the working efficiency of centrifugal pump.
Further, one end far from connecting hole of the blade, the side connecting with wheel disc offer communication port.
By the way that communication port is arranged, sundries is quickly discharged out of runner, accelerates velocity of liquid assets, reduces runner
Interior congestion.
Further, the connecting hole includes taper axis hole be arranged close to wheel disc far from the blade side and close institute
State the circular shaft bore of blade side setting；
Rectangle card slot is axially offered along connecting hole in the connecting hole.
Through the above technical solutions, the rotation axis of centrifugal pump is protruded into out of bellmouth, then rotate gear is put into separate
The circular shaft bore at the wheel disc back side is simultaneously clamped with rectangle card slot, while rotate gear and rotation axis being fixed, and passes through above-mentioned technical side
Case makes impeller and centrifugal pump structure more firm, and the rotation axis of impeller and centrifugal pump is prevented to be detached from.
Further, the blade quantity is three pieces.
Through above-mentioned setting, since blade quantity is less, in the case where fluid concentrations are higher, sundries is more, it is not easy to
Blockage phenomenon.
Further, the wheel disc is set as arc surface far from blade on one side.
Further, the wheel disc back side is provided with the annular groove convenient for impeller demolition.
By the way that annular groove is arranged, can be buckled by La Ma and annular groove when dismantling impeller, it is easy to disassemble.
Further, the wheel disc is far from a face edge of blade, the area between the annular groove and wheel disc side wall
The trapezoidal groove that domain is provided with convenient for impeller installation or removal.
The point of application is provided when installing impeller by the way that trapezoidal groove is arranged, convenient for impeller rotary buckle is close.
Further, the side wall of edge of the blade far from described connecting hole one end and the wheel disc is in same cylinder
On face.
By above-mentioned setting, blade is avoided to generate obstruction to fluid flowing in the pump housing while facilitating processing.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) sundries is cut by the way that blade lean face top is polished into cutter, so that the sundries in fluid is by inclining
It is shredded behind inclined-plane by cutter, reduces the congestion of runner, while cutter device itself being avoided to result in blockage impeller, anti-fluid stopping
Body lift reduces, and improves the working efficiency of centrifugal pump；
(2) by the way that communication port is arranged at the wheel disc back side, sundries is quickly discharged out of runner, circulation speed is accelerated
Degree, reduces the congestion in runner.
Detailed description of the invention
Fig. 1 is the overall schematic of impeller；
Fig. 2 is the cross-sectional view of impeller；
Fig. 3 is wheel backface structural schematic diagram.
Appended drawing reference: 1, wheel disc；2, blade；3, connecting hole；4, inclined surface；5, cutter；6, communication port；7, tapered shaft
Hole；8, circular shaft bore；9, rectangle card slot；10, annular groove；11, trapezoidal groove.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
As depicted in figs. 1 and 2, a kind of anticlogging impeller, chartered steamer disk 1, blade 2 and is arranged at 1 axle center of wheel disc
Connecting hole 3, blade 2 are wholely set with wheel disc 1.
As shown in Figure 1, above-mentioned blade 2 is axially wholely set in crescent along wheel disc 1 in technical solutions of the utility model
On wheel disc 1.The intrados of the blade 2 is set as inclined surface 4, and the angle between inclined surface 4 and wheel disc 1 is not less than 90 °.
4 top of inclined surface, i.e., one end far from wheel disc 1 convex to form cutter 5 towards 3 direction of connecting hole.On as shown in Fig. 2,
The section for stating cutter 5 is triangular in shape, convenient for the sundries in chopping runner, prevents runner from blocking.
When impeller starts running, as shown in Figure 1, one side is as face view using where 1 blade of wheel disc 2, impeller is along inverse
Clockwise rotation, between two panels blade 2, i.e., the fluid in runner is dished out outward by centrifugal force effect, while in fluid
Sundries also possess the trend moved out therewith, after sundries strikes inclined-plane, moved near 5 edge of a knife of cutter along inclined-plane,
The cutting of cutter 5 rotated is cut broken, to reduce the congestion of runner, while cutting sundries, avoidance by blade 2 itself
Cutter device itself is blocked caused by impeller, it is therefore prevented that the reduction of fluid lift improves the working efficiency of centrifugal pump, small straight
The sundries of diameter is also not easy to plug the water outlet of centrifugal pump.
Avoid blocking to further accelerate the velocity of liquid assets of fluid, one end far from connecting hole 3 of the blade 2, with
The side that wheel disc 1 connects offers rectangle communication port 6, while 2 quantity of blade is set as three pieces.In practical applications, impeller table
The burr in face will affect the circulation of the fluid in impeller channel, so smooth by edge iron and giant progress to impeller surface
Grinding process, it is ensured that remove flash removed.
As shown in Fig. 2, preventing leaf in order to enable impeller and centrifugal pump structure are more firm as further optimization
The rotation axis of wheel and centrifugal pump is detached from.The connecting hole 3 includes close to the taper axis hole 7 at 1 back side of wheel disc and far from 1 back side of wheel disc
Circular shaft bore 8, offers rectangle card slot 9 along its axial direction in the connecting hole 3.The rotation axis of centrifugal pump is stretched out of bellmouth
Enter, then by rotate gear be put into far from 1 back side of wheel disc circular shaft bore 8 and be clamped with rectangle card slot 9, while by rotate gear with
Rotation axis is fixed, to realize the effect of rotation axis impeller rotation.
As shown in figure 3,1 back side of wheel disc is provided with annular groove 10 and trapezoidal groove for the ease of installation and removal
11.During installation, the point of application provided by trapezoidal groove 11, impeller rotary buckle is close.Disassembly when, by La Ma with
The buckle of annular groove 10 removes impeller from centrifugal pump shaft, dismounts very convenient.
The wheel disc 1 is set as arc surface far from blade 2 on one side.Side of the blade 2 far from described 3 one end of connecting hole
The side wall of edge and the wheel disc 1 is on same cylindrical surface.Based on above-mentioned setting, 2 pairs of blade pumps are avoided while facilitating processing
Internal fluid flowing generates obstruction.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of anti-clogging half-opened impeller, including wheel disc (1), blade (2) and the connecting hole being arranged at wheel disc (1) axle center
(3), which is characterized in that
The blade (2) is integrally formed on wheel disc (1) along wheel disc (1) axis direction in crescent, the inner arc of the blade (2)
Face is set as inclined surface (4)；
Inclined surface (4) top convexes to form cutter (5) towards connecting hole (3) direction.
2. anti-clogging half-opened impeller according to claim 1, which is characterized in that the blade (2) is far from connecting hole (3)
One end, the side that is connect with wheel disc (1) offer communication port (6).
3. anti-clogging half-opened impeller according to claim 1, which is characterized in that the connecting hole (3) includes close to wheel
Taper axis hole (7) of the disk (1) far from the setting of the blade (2) side and the circular shaft bore close to the setting of the blade (2) side
(8)；
Axially rectangle card slot (9) are offered along connecting hole (3) in the connecting hole (3).
4. anti-clogging half-opened impeller according to claim 1, which is characterized in that blade (2) quantity is three pieces.
5. anti-clogging half-opened impeller according to claim 1, which is characterized in that wheel disc (1) back side is provided with just
In the annular groove (10) of impeller demolition.
6. anti-clogging half-opened impeller according to claim 5, which is characterized in that the wheel disc (1) is far from blade (2)
It is set as arc surface on one side.
7. anti-clogging half-opened impeller according to claim 5, which is characterized in that the wheel disc (1) is far from blade (2)
One face edge, region is provided with convenient for impeller installation or removal between the annular groove (10) and wheel disc (1) side wall
Trapezoidal groove (11).
8. anti-clogging half-opened impeller according to claim 1, which is characterized in that the blade (2) is far from the connection
The edge of hole (3) one end and the side wall of the wheel disc (1) are on same cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709190.8U CN208294831U (en) | 2018-05-14 | 2018-05-14 | A kind of anti-clogging half-opened impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709190.8U CN208294831U (en) | 2018-05-14 | 2018-05-14 | A kind of anti-clogging half-opened impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294831U true CN208294831U (en) | 2018-12-28 |
Family
ID=64727371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820709190.8U Expired - Fee Related CN208294831U (en) | 2018-05-14 | 2018-05-14 | A kind of anti-clogging half-opened impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208294831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645200A (en) * | 2019-09-04 | 2020-01-03 | 江苏大学 | Sewage pump impeller with cutting function and sewage pump |
| CN112978852A (en) * | 2021-01-28 | 2021-06-18 | 吴国兵 | Oil-water separator for treating sewage in laundry detergent production |
-
2018
- 2018-05-14 CN CN201820709190.8U patent/CN208294831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645200A (en) * | 2019-09-04 | 2020-01-03 | 江苏大学 | Sewage pump impeller with cutting function and sewage pump |
| CN112978852A (en) * | 2021-01-28 | 2021-06-18 | 吴国兵 | Oil-water separator for treating sewage in laundry detergent production |
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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 |
Granted publication date: 20181228 Termination date: 20210514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |