CN102797696A - Novel pump impeller - Google Patents

Novel pump impeller Download PDF

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Publication number
CN102797696A
CN102797696A CN2012100955526A CN201210095552A CN102797696A CN 102797696 A CN102797696 A CN 102797696A CN 2012100955526 A CN2012100955526 A CN 2012100955526A CN 201210095552 A CN201210095552 A CN 201210095552A CN 102797696 A CN102797696 A CN 102797696A
Authority
CN
China
Prior art keywords
blade
cover plate
impeller
pump
rearward end
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.)
Pending
Application number
CN2012100955526A
Other languages
Chinese (zh)
Inventor
李世煌
王强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU SHIQIANG FLUID Technology Co Ltd
Original Assignee
SUZHOU SHIQIANG FLUID Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU SHIQIANG FLUID Technology Co Ltd filed Critical SUZHOU SHIQIANG FLUID Technology Co Ltd
Priority to CN2012100955526A priority Critical patent/CN102797696A/en
Publication of CN102797696A publication Critical patent/CN102797696A/en
Pending legal-status Critical Current

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Abstract

The invention provides a novel pump impeller. The novel pump impeller comprises a cover plate, a front blade and a rear blade, wherein a connecting part is arranged in the middle of the cover plate; the portable pump impeller is arranged on a power output shaft of an engine through the connecting part on the cover plate; the front end face of the cover plate is provided with at least three front blades at equal angles; the rear end face of the cover plate is provided with at least three rear blades at equal angles; the cover plate, the front blade and the rear blade are integrally formed; the front blade comprises a blade front end part and a blade rear end part; the blade rear end part is bent in the counter clockwise direction; and an included angle is formed between the blade front end part and the blade rear end part. According to the novel pump impeller, the conventional impeller structure is improved, so that a draining pump can reach a high lift just by using a single impeller. Therefore, the impeller can be directly installed on the power output shaft of the engine for use without a shaft coupling, so that the structure of a centrifugal pump can be greatly simplified.

Description

A kind of novel impeller of pump
Technical field
The present invention relates to the centrifugal pump fitting field, particularly a kind of novel impeller of pump.
 
Background technique
Water pump is before work, and the pump housing and intake pipe must jar full waters, relies on the impeller of high speed rotating afterwards; Can improve pressure in it thereby make liquid under the inertial centrifugal force effect, obtain energy, when the impeller quick rotation, blade impels water to rotate very soon; The water that is rotating flies to from impeller under action of centrifugal force, and after the water in the pump was dished out, the core of impeller formed vacuum area; The water at water source is pressed onto in the intake pipe through pipe network under the effect of atmospheric pressure (or hydraulic pressure) afterwards, and circulation endlessly just can realize continuous pumpage like this; Because the advantages such as conveying that it has is simple in structure, processing ease, flow are easy to regulate and be applicable to various special nature materials,, often at present adopt multistage centrifugal pump as shown in Figure 1 to draw water in order to reach certain effect of drawing water; So just need a plurality of impellers to be rotated; Therefore need coupling that a plurality of impellers are connected, thereby strengthened the complex structure degree of whole centrifugal pump greatly, make centrifugal pump not portable.
 
Summary of the invention
To above problem, the present invention improves existing blade wheel structure through a kind of novel impeller of pump of design; Therefore make draining pump adopt single impeller can reach very high-lift, use the said impeller of this patent to need not directly to use on the pto that coupling is installed in motor, thereby can simplify centrifugal pump structure greatly; For reaching this purpose, the present invention provides a kind of novel impeller of pump, comprises cover plate, front vane and rear blade; Have joint, said light impeller of pump to be installed in through the joint on the cover plate on the pto of motor in the middle of the said cover plate, the front-end face equal angles of said cover plate is provided with at least 3 front vanes; The ear end face equal angles of cover plate is provided with at least 3 rear blades; Said cover plate and front vane, rear blade are integrally formed, and said front vane comprises blade front end and blade rearward end, and said blade rearward end is along bending counterclockwise; Blade front end and blade rearward end have angle; Angle is 90 °-175 ° between said blade front end and the blade rearward end, adopts circular arc to be connected between said front vane blade front end and the blade rearward end, and said blade rearward end comprises free edge portion and back root part; Said back root part is along bending counterclockwise; Free edge portion and back root part have angle, and angle is 15 °-175 ° between said free edge portion and the back root part, adopt circular arc to be connected between the free edge portion of said front vane blade rearward end and the back root part.
The present invention improves existing blade wheel structure through a kind of novel impeller of pump of design, utilizes the indoor current of front vane slosh pump of bending; Thereby can make the liquid in the pump chamber produce the spiral flow that flows to the rotation of pump protecgulum direction; Thereby the flow in the impeller front vane space is boosted, and it is higher that the centrifugal pump that make to adopt the said impeller of this patent and centrifugal pump at the same level are compared boost capability, thereby make pump discharge pressure higher; More stable; Therefore adopt single impeller can reach very high-lift, therefore use the said impeller of this patent to need not directly to use on the pto that coupling is installed in motor, thereby can simplify centrifugal pump structure greatly; Make centrifugal pump structure more light, be easier to use.
                                           
Description of drawings
Fig. 1 is existing draining pump internal structure schematic representation;
Fig. 2 is the structural representation of a kind of specific embodiment of the present invention;
Member among the figure is:
1, cover plate; 1-1, joint; 2, front vane; 2-1, blade front end;
2-2-1, free edge portion; 2-2-2, back root part; 3, rear blade;
Embodiment
Below in conjunction with accompanying drawing and embodiment detailed explanation is done in invention:
The present invention is through a kind of novel impeller of pump of design; Existing blade wheel structure is improved; Make draining pump adopt single impeller can reach very high-lift; Therefore use the said impeller of this patent to need not directly to use on the pto that coupling is installed in motor, thereby can simplify centrifugal pump structure greatly.
As a kind of specific embodiment of the present invention, the present invention provides structural representation a kind of novel impeller of pump as shown in Figure 2, comprises cover plate 1, front vane 2 and rear blade 3; In the middle of the said cover plate 1 joint 1-1 is arranged, said light impeller of pump is installed on the pto of motor through the joint 1-1 on the cover plate 1, because it is higher to make the centrifugal pump that adopts the said impeller of this patent and centrifugal pump at the same level compare boost capability; Pump discharge pressure is higher, and is more stable, therefore adopts single impeller can reach the lift of traditional multi-stage impeller; Therefore use the said impeller of this patent to need not can directly use on the pto that coupling is installed in motor, the front-end face equal angles of said cover plate 1 is provided with 6 front vanes 2, and the ear end face equal angles of cover plate 1 is provided with 5 rear blades 3; Said cover plate 1 is integrally formed with front vane 2, rear blade 3, and this patent can be provided with the front vane 2 and rear blade 3 of respective numbers according to producer's needs, and wherein front vane 2 numbers are best more than rear blade 3; Can make pressure balance before and after the blade like this, therefore can avoid, and then influence impeller axial seal because of axial pressure causes damage to impeller; And then reduce impeller working life; This external impeller increases rear blade 3 at the back, can make pressure balance as far as possible in the pump chamber, thereby can improve the working life of sealing greatly; Said front vane 2 comprises blade front end 2-1 and blade rearward end 2-2; Said blade rearward end 2-2 is along bending counterclockwise, and blade front end 2-1 and blade rearward end 2-2 have angle, and angle is 90 °-175 ° between said blade front end 2-1 and the blade rearward end 2-2; This patent blade front end 2-1 and blade rearward end 2-2 can adopt any angle in 90 °-175 °; The effect and the design difficulty that adopt the different amount impeller to be produced are all different, and producer can reach as the case may be and make degree of difficulty and select, and the employing circular arc is connected between said front vane blade front end 2-1 and the blade rearward end 2-2; Thereby the resistance that can significantly reduce current improves the effect of drawing water; Said blade rearward end 2-2 comprises 2-2-1 of free edge portion and back root part 2-2-2, and said back root part 2-2-2 is along bending counterclockwise, and said free edge 2-2-1 of portion and back root part 2-2-2 have angle; Blade rearward end 2-2-1 adopts the bending design can significantly reduce the resistance of current; Improve the effect of drawing water, angle is 15 °-175 ° between said free edge 2-2-1 of portion and the back root part 2-2-2, and this patent free edge 2-2-1 of portion and back root part 2-2-2 can adopt any angle in 15 °-175 °; The effect and the design difficulty that adopt the different amount impeller to be produced are all different; Producer can reach as the case may be and make degree of difficulty and select, and adopts circular arc to be connected between the 2-2-1 of free edge portion of said front vane blade rearward end and the back root part 2-2-2, thereby the employing circular arc is connected the resistance raising that can the significantly reduce current effect of drawing water between the 2-2-1 of free edge portion and the back root part 2-2-2.
The present invention utilizes the indoor current of front vane 2 slosh pump of bending; Thereby can make the liquid in the pump chamber produce the spiral flow that flows to the rotation of pump protecgulum direction, thereby the flow impeller front vane 2 spaces in is boosted, thus the centrifugal pump that adopts the said impeller of this patent and centrifugal pump at the same level to compare boost capability higher; Pump discharge pressure is higher; More stable, be a plurality of impellers of alternative multistage draining pump with the said impeller of single this patent, thereby can simplify centrifugal pump structure greatly; Make centrifugal pump structure more light, be easier to use.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made any other form, and according to any modification or equivalent variations that technical spirit of the present invention is done, still belongs to the present invention's scope required for protection.

Claims (1)

1. novel impeller of pump; Comprise cover plate (1), front vane (2) and rear blade (3); It is characterized in that: joint (1-1) is arranged in the middle of the said cover plate (1); Said light impeller of pump is installed on the pto of motor through the joint (1-1) on the cover plate (1); The front-end face equal angles of said cover plate (1) is provided with at least 3 front vanes (2), and the ear end face equal angles of cover plate (1) is provided with at least 3 rear blades (3), and said cover plate (1) and front vane (2), rear blade (3) are integrally formed; Said front vane (2) comprises blade front end (2-1) and blade rearward end (2-2); Said blade rearward end (2-2) is along bending counterclockwise, and blade front end (2-1) has angle with blade rearward end (2-2), and angle is 90 °-175 ° between said blade front end (2-1) and the blade rearward end (2-2); Adopt circular arc to be connected between said front vane (2) blade front end (2-1) and the blade rearward end (2-2); Said blade rearward end (2-2) comprises free edge portion (2-2-1) and back root part (2-2-2), and said back root part (2-2-2) is along bending counterclockwise, and free edge portion (2-2-1) has angle with back root part (2-2-2); Angle is 15 °-175 ° between said free edge portion (2-2-1) and the back root part (2-2-2), adopts circular arc to be connected between the free edge portion (2-2-1) of said front vane (2) blade rearward end (2-2) and the back root part (2-2-2).
CN2012100955526A 2012-04-01 2012-04-01 Novel pump impeller Pending CN102797696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012100955526A CN102797696A (en) 2012-04-01 2012-04-01 Novel pump impeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012100955526A CN102797696A (en) 2012-04-01 2012-04-01 Novel pump impeller

Publications (1)

Publication Number Publication Date
CN102797696A true CN102797696A (en) 2012-11-28

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Country Link
CN (1) CN102797696A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797698A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Pump impeller
CN102797697A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Light and portable pump impeller
CN109139534A (en) * 2018-09-18 2019-01-04 安徽正华电气有限公司 A kind of stable fan blade and its formula

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09317692A (en) * 1996-05-23 1997-12-09 Mitsubishi Heavy Ind Ltd Centrifugal impeller of rotational fluid machinery
CN201031817Y (en) * 2007-04-26 2008-03-05 李世煌 Centrifugal impeller
CN102797697A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Light and portable pump impeller
CN102797698A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Pump impeller
CN202597231U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Lightweight pump impeller
CN202597228U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Impeller for light pump
CN202597227U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Novel pump impeller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09317692A (en) * 1996-05-23 1997-12-09 Mitsubishi Heavy Ind Ltd Centrifugal impeller of rotational fluid machinery
CN201031817Y (en) * 2007-04-26 2008-03-05 李世煌 Centrifugal impeller
CN102797697A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Light and portable pump impeller
CN102797698A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Pump impeller
CN202597231U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Lightweight pump impeller
CN202597228U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Impeller for light pump
CN202597227U (en) * 2012-04-01 2012-12-12 苏州市世强流体技术有限公司 Novel pump impeller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797698A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Pump impeller
CN102797697A (en) * 2012-04-01 2012-11-28 苏州市世强流体技术有限公司 Light and portable pump impeller
CN109139534A (en) * 2018-09-18 2019-01-04 安徽正华电气有限公司 A kind of stable fan blade and its formula
CN109139534B (en) * 2018-09-18 2020-06-30 安徽正华电气有限公司 Stable fan blade and formula thereof

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Application publication date: 20121128