KR101007472B1 - An water pump equipped with an adjustable impller's angle - Google Patents

An water pump equipped with an adjustable impller's angle Download PDF

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Publication number
KR101007472B1
KR101007472B1 KR1020100096943A KR20100096943A KR101007472B1 KR 101007472 B1 KR101007472 B1 KR 101007472B1 KR 1020100096943 A KR1020100096943 A KR 1020100096943A KR 20100096943 A KR20100096943 A KR 20100096943A KR 101007472 B1 KR101007472 B1 KR 101007472B1
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KR
South Korea
Prior art keywords
impeller
angle
circular groove
screw
pump
Prior art date
Application number
KR1020100096943A
Other languages
Korean (ko)
Inventor
오후석
Original Assignee
주식회사 우승산업
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Publication date
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Priority to KR1020100096943A priority Critical patent/KR101007472B1/en
Application granted granted Critical
Publication of KR101007472B1 publication Critical patent/KR101007472B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • 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
    • F04D29/181—Axial flow rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

Abstract

PURPOSE: A pump with an angle-adjustable impeller is provided to remarkably improve production efficiency by improving the quality of the pump. CONSTITUTION: A pump with an angle-adjustable impeller comprises a pump body, an impeller hub, circular grooves(20), rotating units(30), impellers(40), angle adjusting spaces(32), adjustment screw holes(50), and adjustment screws(60). The impeller hub is arranged in the inner side of the pump body and is rotated. The circular grooves are formed on the outer surface of the impeller hub at uniform intervals. The impellers are inserted into the circular grooves. The angle adjusting spaces are formed in the outer plane parts of the rotating units. The adjustment screw holes are horizontally formed from one surface of the circular grooves to one surface of the impeller hub.

Description

An water pump equipped with an adjustable impller's angle}

The present invention relates to a pump having an impeller capable of adjusting the angle, and more particularly, to finely adjust the angle of the impeller fastened to the outer circumferential surface of the impeller hub even after the manufacture and assembly of the pump is completed. It relates to a pump having an impeller capable of adjusting the angle.

In general, the submersible pump is an electric pump commonly used for pumping water mixed with earth and sand, and is composed of a case body and an impeller hub, an impeller, a screw, a motor, and the like embedded in the case body.

Here, the impeller fastened to the outer circumferential surface of the impeller hub is inclined at an angle calculated by accurate design calculation so as to transport the flow of water most efficiently, the fastening structure of the impeller fastened to the impeller hub is It depends on how the pump is produced.

That is, in the mass production method of the prop type, the impeller hub and the impeller are manufactured as a single piece, and in the multi-product small quantity production method, the impeller hub and the impeller are manufactured separately and then manufactured by assembling with screws.

The technical field to be dealt with in the present invention relates to a structure in which an impeller hub and an impeller are separately formed, and then the impeller is screwed to the impeller hub.

When assembling and producing the current pump, when looking at the structure related to the coupling of the impeller hub and the impeller, a fastening groove of a predetermined depth is formed on the outer circumferential surface of the impeller hub formed in a cylindrical shape, and at the bottom of the impeller the fastening groove When the fastening plate corresponding to the integrally formed, and fastening the fastening plate vertically while fastening the fastening plate of the impeller into the fastening groove of the impeller hub, the impeller is firmly fitted to the impeller hub.

Accordingly, the impeller is firmly fastened to the impeller hub at a predetermined angle so that the angle is maintained even at a high speed rotation, and the fastening angle of the impeller is preferably fastened at an optimum angle capable of transferring the flow rate to the maximum.

On the other hand, the conventional impeller hub and impeller fastening structure formed in the above structure is impossible to adjust the angle of the impeller.

In other words, in relation to the angle setting of the impeller, even in the design stage and manufacturing stage, even if manufactured by accurate design calculation, it is often necessary to compensate for the slight error during the trial run, and the angle of the impeller must be adjusted according to the situation. There is a need to, the conventional fastening structure as described above has the problem that the adjustment of the angle is almost impossible.

Moreover, since the angle of the impeller fastened to the outer circumferential curved surface of the impeller hub is a factor that causes a large difference in the difference between the flow rate and the efficiency of the pump, a method that can solve the above problems is urgently required.

The present invention has been made to solve the above problems,

The rotating part of the lower end of the impeller fitted to correspond to the circular grooves formed at regular intervals on the outer circumferential surface of the impeller hub constituting the pump is fixed to be rotatably fastened with a vertical screw, and the rotation angle of the rotating part can be adjusted on one side of the rotating part. Forming an angle adjusting space portion, wherein a pair of adjusting screw through-holes are horizontally formed from one side of the angle adjusting space portion to one end surface of the impeller hub, and a pair of adjusting screws are inserted therein so that the fine rotation angle of the rotating portion can be adjusted. It is an object of the present invention to provide a pump having an angle adjustable impeller, characterized in that fine angle adjustment of the impeller is possible at any time even after the pump is assembled.

Hereinafter, to solve the present invention to achieve the above object.

The present invention, the pump body; An impeller hub internally provided inside the pump body; Circular grooves formed at regular intervals on the outer circumferential surface of the impeller hub; A fastening part corresponding to the circular groove, the rotating part having an angle adjusting space part formed at one side thereof; An impeller vertically fastened to an upper surface of the rotating part; A pair of adjusting screw through holes formed horizontally from one side of the circular groove corresponding to the angle adjusting space to one end surface of the impeller hub; A pair of adjustment screws for penetrating the pair of adjustment screw through-holes, the front end face of which is fixed to an angle of the rotation part by supporting one side of the rotation part; It characterized by a pump having an impeller capable of adjusting the angle.

Here, the rotating part, the vertical through hole penetrating vertically in the center of the inner bottom surface of the circular groove; A vertical fastening groove formed at a center of a bottom surface of the rotating part in a size corresponding to the vertical through hole; A rod-shaped vertical screw inserted into the vertical fastening groove through the vertical through hole; It is fastened through a circular groove through, characterized in that the vertical screw is rotatably fastened by the axis of rotation.

The angle adjusting space part may be formed at one side of an outer circumference of the rotating part rotatably inserted into the circular groove, and one side of the outer circumference of the rotating part may be formed in a plane.

In addition, the angle adjusting space is characterized in that the inner surface is formed in the form of a horizontal groove flat.

In addition, the angle adjusting space portion is characterized in that the position is moved in accordance with the rotation of the rotating portion of the vertical screw as the axis of rotation.

In addition, in the pair of adjustment screw through holes formed horizontally from one side of the inner side surface of the circular groove forming the angle adjusting space to one end surface of the impeller hub, the horizontal extension line of each adjustment screw through hole is based on the center of the circular groove. It is characterized in that formed in the position passing both sides.

In addition, the front side of the adjustment screw through the pair of adjustment screw through-holes to support the plane of the rotating part, one side of the adjustment screw through-fastening to the adjustment screw through-hole fixed rotation in one direction of the rotating part The other adjustment screw which is supported and penetrated through the other adjustment screw through-hole is characterized in that it is formed in a structure for fixing the rotation in the other direction of the rotating portion.

According to the present invention having the above-described configuration, even when the production of the pump is completed, the fine adjustment of the impeller angle can be performed at any time according to the result of the trial run so that the pump flow rate and efficiency can be optimally maintained and managed at all times. There is an effect that can be significantly improved.

In addition, it is possible to prevent product defects due to the impeller angle, it is possible to provide a pump having an optimal impeller angle has an effect that can greatly improve the product quality.

In addition, there is an effect that can significantly improve the production efficiency through the prevention of product defects and the improvement of product quality by the impeller to enable the angle adjustment.

1 is a detailed fastening structure of the impeller hub and the impeller according to the present invention
Figure 2 is a fastening of the impeller hub and the impeller according to the present invention
3 and 4 is a rotation angle adjustment of the impeller hub and the impeller according to the present invention
5 is an exploded view of the fastening structure of the impeller hub and the impeller according to the present invention
Figure 6 is a detailed view of a conventional fastening structure for the present invention
Figure 7 is a conventional fastening diagram for the present invention

Based on the accompanying drawings, a specific configuration of the present invention for providing the above effects will be described in more detail.

As shown in Fig. 1, the present invention provides a pump body A; An impeller hub 10 installed inside the pump body A; Circular grooves 20 formed at regular intervals on the outer circumferential surface of the impeller hub 10; Rotating portion 30 is fitted to correspond to the circular groove 20, to form an angle adjusting space portion 32 on one side of the fitted circular groove 20; An impeller 40 vertically fastened to an upper surface of the rotating part 30; A pair of adjustment screw through holes 50 formed horizontally from one side of the circular groove 20 corresponding to the angle adjusting space 32 to one end surface of the impeller hub 10; A pair of adjustment screws 60 that pass through the pair of adjustment screw through-holes 50, the front end surface of which supports the side surface of the rotation unit 30 to fix the angle of the rotation unit 30, respectively. ; It is made, including.

Hereinafter, the pump of the above configuration will be described in more detail.

First, as described above, the outer periphery curved surface of the impeller hub 10 is formed with a circular groove 20 which is dug to a certain depth, the rotation groove 30 is fitted into the circular groove 20, the rotating portion 30 is formed in a shape corresponding to the close fitting to the circular groove 20 is possible.

Here, a vertical through hole 21 through which the vertical screw 70 is formed is formed at the center of the inner bottom surface of the circular groove 20, and the center of the bottom surface of the rotating part 30 fitted into the circular groove 20. There is a vertical fastening groove 31 to which the vertical screw 70 is fitted.

After inserting the rotary part 30 in the circular groove 20 is configured as described above, through the vertical screw 70 through the vertical through-hole 21 formed vertically through the lower side of the circular groove 20 through the rotating part When the fastener is inserted into the vertical fastening groove 31 formed at the center of the bottom of the 30, the rotating part 30 is tightly fastened to the circular groove 20, and the rotating part 30 is inserted into the circular groove 20. In the fastened state, the vertical screw 70 is rotatable.

In addition, an impeller 40 is fastened to an upper surface of the rotating part 30 which is inserted into the circular groove 20 as a vertical screw 70 so as to be rotatable, and the rotating part using the vertical screw 70 as a rotating shaft. When the 30 is rotated, the angle of the impeller 40 which is fastened to the outer surface of the impeller hub 10 can be adjusted.

On the other hand, the rotating part 30 is formed in a circular shape having a shape corresponding to the fastening to the circular groove 20, one side of the outer circumference of the rotating part 30 is formed in a plane, thereby the rotating part 30 A space is formed between one side of the outer circumference and one side of the inner side of the circular groove 20 corresponding thereto, which is used to adjust the rotation angle of the rotating part 30 integrally formed at the lower end of the impeller 40. It is the space part 32.

In more detail with respect to the angle adjusting space 32, one side of the outer circumference of the rotating part 30 is formed in a plane, one side of the inner side of the circular groove 20 corresponding to the circular groove 20 It is formed in a curved surface corresponding to a part of), the space is formed in a shape similar to the half moon shape.

In addition, as described above, the angle adjusting space 32 is formed by omitting one side of the outer circumference of the rotating part 30, so that the angle adjusting space 32 is formed when the rotating part 30 is rotated. The position is also changed, the angle adjusting space 32 is preferably formed at a position close to one end surface of the impeller hub 10 to be rotatably formed at a predetermined angle to the upper and lower sides.

In this regard, a pair of adjusting screw through-holes 50 are horizontally from one side of the inner surface of the circular groove in which the angle adjusting space portion 32 is formed as described above to one end surface of the impeller hub 10. The adjustment screw through-hole 50 is preferably formed so that the horizontal extension line of each adjustment screw through-hole 50 passes at both sides thereof based on the center of the circular groove 20.

Accordingly, after adjusting the angle of the impeller 40 to be optimally set, the fastening screw 60 is fitted into the pair of adjusting screw through-holes 50, respectively, but the inner side of the adjusting screw 60 When the end surface is inserted and fastened to support the plane of the rotating part 30, the one side adjusting screw 60a fitted into the one side adjusting screw through hole 50a prevents the rotating part 30 from rotating in one direction. The other adjustment screw 60b penetrated into the other adjustment screw through hole 50b prevents the rotation part 30 from rotating in the other direction opposite to the one direction.

On the other hand, if the situation that needs to be adjusted once again the adjusted angle occurs, after loosening the adjusting screw 60, and finely rotate the rotating part 30 to the desired angle, then a pair of adjustment When the screw 60 is inserted and fastened again, and the inner end face is inserted to support the plane of the rotating part 30, the rotating part 30 is fixed and fastened at a readjusted angle.

That is, the rotating part 30 is capable of fine adjustment of the rotation angle by the angle adjusting space part 32, the pair of adjusting screw through holes 50 and the adjusting screw 60, the upper surface of the rotating part 30 Vertically formed impeller 40 is also possible to adjust the angle, the above configuration according to the present invention is to be finely adjusted to the most accurate impeller angle obtained through the trial run even if the assembly is completed, as described above The adjustment of the impeller angle can be adjusted as many times as possible.

On the other hand, the angle adjustment space 32 is in the form of a horizontal groove formed in the inner surface in addition to the shape as described above, it may be formed on one side of the outer periphery of the rotating part (30).

Although the present invention has been described with reference to the above embodiments, it can of course be variously modified and implemented within the scope not departing from the technical idea of the present invention.

10 impeller hub 20 circular groove
21: vertical through hole 30: the rotating part
31: vertical fastening groove 32: angle adjustment space
40 impeller 50 adjustment screw through hole
50a: One side adjusting screw through hole 50b: The other side adjusting screw through hole
60: adjusting screw 60a: one side adjusting screw
60b: Adjusting screw on the other side 70: Vertical screw

Claims (7)

A pump body A; An impeller hub 10 installed and rotated inside the pump body A; Circular grooves 20 formed at regular intervals on the outer circumferential surface of the impeller hub 10; A rotation part 30 that is fitted to correspond to the circular groove 20, and forms an angle adjusting space part 32 on one side of the fitted circular groove 20; An impeller 40 vertically fastened to an upper surface of the rotating part 30; Is formed in the form of a horizontal groove in the inner surface is a plane in a portion formed in a plane on one side of the outer periphery of the rotating portion 30 is rotatably inserted into the circular groove 20, the rotating portion having the vertical screw 70 as the rotation axis An angle adjusting space part 32 whose position is moved in accordance with the rotation of the 30; A pair of adjustment screw through holes 50 formed horizontally from one side of the circular groove 20 corresponding to the angle adjusting space 32 to one end surface of the impeller hub 10; A pair of adjustment screws 60 that pass through the pair of adjustment screw through-holes 50, the front end surface of which supports the side surface of the rotation unit 30 to fix the angle of the rotation unit 30, respectively. ; Pump with an impeller adjustable angle, characterized in that made, including.
The method of claim 1,
The rotating part 30 includes a vertical through hole 21 vertically penetrating the center of the inner bottom surface of the circular groove 20; A vertical fastening groove 31 formed at the center of the bottom surface of the rotating part 30 in a size corresponding to the vertical through hole 21; A rod-shaped vertical screw 70 penetrating through the vertical through hole 21 and inserted into the vertical fastening groove 31; By fitting into the circular groove 20, the pump having an impeller adjustable angle, characterized in that the vertical screw 70 is rotatably coupled to the axis of rotation.
delete delete delete The method of claim 1,
The pair of adjustment screw through holes 50 formed horizontally from one side of the inner side surface of the circular groove 20 forming the angle adjusting space part 32 to one end surface of the impeller hub 10 passes through each adjustment screw. A pump having an angle adjustable impeller, characterized in that the horizontal extension line of the ball 50 is formed at a position passing both sides with respect to the center of the circular groove (20).
The method according to claim 6,
One side of the adjustment screw penetrating through the pair of adjustment screw through-hole 50 to support the plane of the rotating part 30 to the inner end surface of the adjustment screw 60 through-fastening, one side of the adjustment screw through-hole (50a) 60a fixes the rotation of the rotating part 30 in one direction, and the other adjusting screw 60b, which is fastened to the other adjusting screw through hole 50b, fixes the rotation of the rotating part 30 in the other direction. Pump with an adjustable impeller, characterized in that formed in a supporting structure.

KR1020100096943A 2010-10-05 2010-10-05 An water pump equipped with an adjustable impller's angle KR101007472B1 (en)

Priority Applications (1)

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KR1020100096943A KR101007472B1 (en) 2010-10-05 2010-10-05 An water pump equipped with an adjustable impller's angle

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Application Number Priority Date Filing Date Title
KR1020100096943A KR101007472B1 (en) 2010-10-05 2010-10-05 An water pump equipped with an adjustable impller's angle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131393B1 (en) 2012-01-03 2012-03-29 주식회사 남일산업개발 Blades of the impeller underwater pump with adjustable angle
KR20160010938A (en) * 2014-07-21 2016-01-29 (주)그린텍 Adjusting apparatus for impeller clearance in axial-flow pump
KR102208972B1 (en) * 2020-10-20 2021-01-28 주식회사 남일 impeller structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07238899A (en) * 1994-02-28 1995-09-12 Kubota Corp Blade moving mechanism in movable blade fluid apparatus
JPH0960599A (en) * 1995-08-23 1997-03-04 Fuji Electric Co Ltd Blade angle adjusting mechanism of axial blower

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07238899A (en) * 1994-02-28 1995-09-12 Kubota Corp Blade moving mechanism in movable blade fluid apparatus
JPH0960599A (en) * 1995-08-23 1997-03-04 Fuji Electric Co Ltd Blade angle adjusting mechanism of axial blower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131393B1 (en) 2012-01-03 2012-03-29 주식회사 남일산업개발 Blades of the impeller underwater pump with adjustable angle
KR20160010938A (en) * 2014-07-21 2016-01-29 (주)그린텍 Adjusting apparatus for impeller clearance in axial-flow pump
KR101661906B1 (en) * 2014-07-21 2016-10-04 (주)그린텍 Adjusting apparatus for impeller clearance in axial-flow pump
KR102208972B1 (en) * 2020-10-20 2021-01-28 주식회사 남일 impeller structure

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