CN208169193U - A kind of adjustable centrifugal pump of impeller diameter - Google Patents
A kind of adjustable centrifugal pump of impeller diameter Download PDFInfo
- Publication number
- CN208169193U CN208169193U CN201820742604.7U CN201820742604U CN208169193U CN 208169193 U CN208169193 U CN 208169193U CN 201820742604 U CN201820742604 U CN 201820742604U CN 208169193 U CN208169193 U CN 208169193U
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- pump
- pump housing
- impeller
- inlet tube
- shaft
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Abstract
The utility model discloses a kind of adjustable centrifugal pumps of impeller diameter,Including the pump housing,The left end of the pump housing is provided with pump cover,Inlet tube is provided at the center of pump cover,The lower end of inlet tube is provided with Rose Box,Outlet tube is provided on the arc surface of the pump housing,The inlet tube,The inner space of the pump housing and outlet tube is interconnected,Circular hole is provided on the right shell of the pump housing,Shaft is rotatably equipped in circular hole,The left end of shaft is located at the inside of the pump housing and is provided with impeller,The adjustable centrifugal pump of this impeller diameter,Blade in the impeller of setting is adjusted at a distance from impeller center,Pressure is pumped out with realization adjusting liquid,Baffle is additionally provided in impeller,Water conservancy diversion is carried out to liquid,Prevent liquid from generating sinuous flow,Improve the working efficiency of centrifugal pump,It is additionally provided with the inlet tube that middle part is higher by the pump housing,Play the role of linker,It prevents from pumping intracorporal liquid reflux when centrifugal pump is inactive,When being again started up centrifugal pump,It no longer needs to add water into the pump housing,Convenience is more preferable.
Description
Technical field
The utility model relates to be centrifuged pump technical field, specially a kind of adjustable centrifugal pump of impeller diameter.
Background technique
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to make to pump
It is full of water in shell and suction hose, then starts motor, pump shaft impeller and water is made to do high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, it is thrown toward impeller outer edge, the runner through volute pump case flows into the pressure pipe road of water pump, and the impeller diameter of existing centrifugal pump is
It is fixed, need to adjust pump out the pressure of liquid when, often by the way of changing motor speed, but some centrifugal pumps simultaneously
It is not equipped with the motor of speed variable, is then unable to reach the purpose for adjusting and pumping out fluid pressure.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of adjustable centrifugation of impeller diameter
It pumps, the blade in the impeller of setting is adjusted at a distance from impeller center, pumps out pressure with realization adjusting liquid, can be effective
Solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions：A kind of adjustable centrifugal pump of impeller diameter, packet
The pump housing is included, the left end of the pump housing is provided with pump cover, and inlet tube is provided at the center of pump cover, and the lower end of inlet tube was provided with
Filter box is provided with outlet tube on the arc surface of the pump housing, and the inner space of the inlet tube, the pump housing and outlet tube is interconnected, pump
It is provided with circular hole on the right shell of body, shaft is rotatably equipped in circular hole, the left end of shaft is located inside and the setting of the pump housing
There is impeller, impeller includes bottom plate and cover board, and bottom plate is parallel to each other with cover board and connects by connecting rod, is all provided on bottom plate and cover board
It is equipped with regulating tank, blade is movably set between bottom plate and cover board, stud is welded in the both ends of the surface of blade, stud, which is located at, to be adjusted
In slot, gasket and nut are arranged on stud, the right end of shaft is located at the outside of the pump housing, and the right end of shaft passes through shaft joint and electricity
The output axis connection of machine, motor are electrically connected with external power supply.
As a kind of optimal technical scheme of the utility model, it is inverted U shape in the middle part of the inlet tube, the middle part of inlet tube
Higher than the top of the pump housing.
As a kind of optimal technical scheme of the utility model, the contact position of the right shell of the shaft and the pump housing is arranged
There is seal ring.
As a kind of optimal technical scheme of the utility model, the quantity for the regulating tank being arranged on the bottom plate and cover board is equal
It is six, the quantity of blade is also six, and the stud on every blade upper and lower end face is three.
As a kind of optimal technical scheme of the utility model, baffle, baffle are provided on the bottom plate and cover board
Quantity be six groups, every group of baffle is respectively positioned between two pieces of blades.
Compared with prior art, the utility model has the beneficial effects that：The adjustable centrifugal pump of this impeller diameter, the leaf of setting
Blade in wheel is adjusted at a distance from impeller center, pumps out pressure with realization adjusting liquid, is additionally provided with water conservancy diversion in impeller
Block carries out water conservancy diversion to liquid, prevents liquid from generating sinuous flow, improve the working efficiency of centrifugal pump, is additionally provided with middle part and is higher by the pump housing
Inlet tube, play the role of linker, prevent from pumping intracorporal liquid reflux when centrifugal pump is inactive, be again started up centrifugal pump
When, it no longer needs into the pump housing plus water, convenience is more preferable.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model impeller schematic perspective view；
Fig. 3 is the utility model impeller stereochemical structure bottom schematic view.
In figure：1 pump housing, 2 pump covers, 3 inlet tubes, 4 impellers, 41 bottom plates, 42 cover boards, 43 regulating tanks, 44 blades, 45 studs,
46 gaskets, 47 nuts, 48 baffles, 49 connecting rods, 5 outlet tubes, 6 seal rings, 7 motors, 8 shaft joints, 9 shafts, 10 Rose Boxes.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution：A kind of adjustable centrifugal pump of impeller diameter, including
The pump housing 1, the left end of the pump housing 1 are provided with pump cover 2, and inlet tube 3 is provided at the center of pump cover 2, and the middle part of inlet tube 3 is inverted U shape,
The middle part of inlet tube 3 is higher than the top of the pump housing 1, plays the role of linker, the liquid in the pump housing 1 is prevented when centrifugal pump is inactive
Body reflux when being again started up centrifugal pump, no longer needs to add water into the pump housing 1, convenience is more preferable, and the lower end of inlet tube 3 was provided with
Filter box 10 is provided with outlet tube 5 on the arc surface of the pump housing 1, and the inner space of inlet tube 3, the pump housing 1 and outlet tube 5 is interconnected,
It is provided with circular hole on the right shell of the pump housing 1, shaft 9 is rotatably equipped in circular hole, shaft 9 connects with the right shell of the pump housing 1
Synapsis is provided with seal ring 6, and for sealing the pump housing 1, the left end of shaft 9 is located at the inside of the pump housing 1 and is provided with impeller seal ring 6
4, impeller 4 includes bottom plate 41 and cover board 42, and bottom plate 41 and cover board 42 are parallel to each other and are connected by connecting rod 49, bottom plate 41 and lid
It is provided with regulating tank 43 on plate 42, blade 44, blade 44 and 4 center of impeller are movably set between bottom plate 41 and cover board 42
Distance is adjustable, pumps out pressure with realization adjusting liquid, stud 45 is welded in the both ends of the surface of blade 44, stud 45, which is located at, to be adjusted
It saves in slot 43, gasket 46 and nut 47 is arranged on stud 45,47 tie spacer 46 of nut is used for the position of fixed blade 44, needs
When adjusting the position of blade 44, it need to only unscrew nut 47, for gasket 46 for increasing contact area, frictional force is bigger, makes
The position of blade 44 is more stable, and the quantity for the regulating tank 43 being arranged on bottom plate 41 and cover board 42 is six, the quantity of blade 44
It also is six, the stud 45 on every 44 upper and lower end face of blade is three, it is provided with baffle 48 on bottom plate 41 and cover board 42,
Baffle 48 is used to carry out water conservancy diversion to liquid, prevents liquid from generating sinuous flow, improves the working efficiency of centrifugal pump, the number of baffle 48
Amount is six groups, and every group of baffle 48 is respectively positioned between two pieces of blades 44, and the right end of shaft 9 is located at the outside of the pump housing 1, shaft 9
Right end passes through the output axis connection of shaft joint 8 and motor 7, and motor 7 is electrically connected with external power supply, when being centrifuged pump startup, motor 7
It is rotated by 9 impeller 4 of shaft, impeller 4 under the influence of centrifugal force throws away the liquid in the pump housing 1, is arranged by outlet tube 5
Out, the center of impeller 4 is everywhere in vacuum state, and under atmospheric pressure, external liquid enters the pump housing 1 by inlet tube 4
It is interior.
When in use：When being centrifuged pump startup, motor 7 is rotated by 9 impeller 4 of shaft, work of the impeller 4 in centrifugal force
It is thrown away, is discharged by outlet tube 5, the center of impeller 4 is everywhere in vacuum state, in atmospheric pressure with the lower liquid by the pump housing 1
Under effect, external liquid is entered in the pump housing 1 by inlet tube 4, and blade 44 is adjusted at a distance from 4 center of impeller, to realize
The pressure that pumps out of liquid is adjusted, 47 tie spacer 46 of nut is used for the position of fixed blade 44, needs to adjust the position of blade 44
When, it need to only unscrew nut 47, for gasket 46 for increasing contact area, frictional force is bigger, and keep the position of blade 44 more stable,
Play the role of linker, prevents the liquid reflux in the pump housing 1, when being again started up centrifugal pump, be not necessarily to when centrifugal pump is inactive
Again into the pump housing 1 plus water, convenience is more preferable, and baffle 48 is used to carry out water conservancy diversion to liquid, prevents liquid from generating sinuous flow, improve from
The working efficiency of heart pump.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of adjustable centrifugal pump of impeller diameter, including the pump housing（1）, it is characterised in that：The pump housing（1）Left end be provided with
Pump cover（2）, pump cover（2）Center at be provided with inlet tube（3）, inlet tube（3）Lower end be provided with Rose Box（10）, the pump housing
（1）Arc surface on be provided with outlet tube（5）, the inlet tube（3）, the pump housing（1）And outlet tube（5）Inner space mutually interconnect
It is logical, the pump housing（1）Right shell on be provided with circular hole, be rotatably equipped with shaft in circular hole（9）, shaft（9）Left end be located at pump
Body（1）Inside and be provided with impeller（4）, impeller（4）Including bottom plate（41）And cover board（42）, bottom plate（41）And cover board（42）Phase
It is mutually parallel and pass through connecting rod（49）Connection, bottom plate（41）And cover board（42）On be provided with regulating tank（43）, bottom plate（41）With
Cover board（42）Between be movably set with blade（44）, blade（44）Both ends of the surface on be welded with stud（45）, stud（45）It is located at
Regulating tank（43）It is interior, stud（45）On be arranged with gasket（46）And nut（47）, shaft（9）Right end be located at the pump housing（1）It is outer
Portion, shaft（9）Right end pass through shaft joint（8）With motor（7）Output axis connection, motor（7）It is electrically connected with external power supply.
2. the adjustable centrifugal pump of a kind of impeller diameter according to claim 1, it is characterised in that：The inlet tube（3）'s
Middle part is inverted U shape, inlet tube（3）Middle part be higher than the pump housing（1）Top.
3. the adjustable centrifugal pump of a kind of impeller diameter according to claim 1, it is characterised in that：The shaft（9）With pump
Body（1）The contact position of right shell be provided with seal ring（6）.
4. the adjustable centrifugal pump of a kind of impeller diameter according to claim 1, it is characterised in that：The bottom plate（41）And lid
Plate（42）The regulating tank of upper setting（43）Quantity be six, blade（44）Quantity be also six, every blade（44）On
Stud on lower end surface（45）It is three.
5. the adjustable centrifugal pump of a kind of impeller diameter according to claim 1 or 4, it is characterised in that：The bottom plate（41）
And cover board（42）On be provided with baffle（48）, baffle（48）Quantity be six groups, every group of baffle（48）It is respectively positioned on two pieces
Blade（44）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742604.7U CN208169193U (en) | 2018-05-18 | 2018-05-18 | A kind of adjustable centrifugal pump of impeller diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742604.7U CN208169193U (en) | 2018-05-18 | 2018-05-18 | A kind of adjustable centrifugal pump of impeller diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169193U true CN208169193U (en) | 2018-11-30 |
Family
ID=64363611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742604.7U Active CN208169193U (en) | 2018-05-18 | 2018-05-18 | A kind of adjustable centrifugal pump of impeller diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577651A (en) * | 2020-05-25 | 2020-08-25 | 浙江理工大学 | Impeller with adjustable diameter for centrifugal pump |
| CN112746986A (en) * | 2021-01-22 | 2021-05-04 | 浙江理工大学 | Composite blade structure capable of adjusting diameter of short blade |
-
2018
- 2018-05-18 CN CN201820742604.7U patent/CN208169193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577651A (en) * | 2020-05-25 | 2020-08-25 | 浙江理工大学 | Impeller with adjustable diameter for centrifugal pump |
| CN112746986A (en) * | 2021-01-22 | 2021-05-04 | 浙江理工大学 | Composite blade structure capable of adjusting diameter of short blade |
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