KR101007473B1 - A pump equipped with the easy emitting of the particulate matters - Google Patents

A pump equipped with the easy emitting of the particulate matters Download PDF

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Publication number
KR101007473B1
KR101007473B1 KR1020100096948A KR20100096948A KR101007473B1 KR 101007473 B1 KR101007473 B1 KR 101007473B1 KR 1020100096948 A KR1020100096948 A KR 1020100096948A KR 20100096948 A KR20100096948 A KR 20100096948A KR 101007473 B1 KR101007473 B1 KR 101007473B1
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KR
South Korea
Prior art keywords
impeller
wear ring
main body
fastened
bolt
Prior art date
Application number
KR1020100096948A
Other languages
Korean (ko)
Inventor
오후석
Original Assignee
주식회사 우승산업
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Application filed by 주식회사 우승산업 filed Critical 주식회사 우승산업
Priority to KR1020100096948A priority Critical patent/KR101007473B1/en
Application granted granted Critical
Publication of KR101007473B1 publication Critical patent/KR101007473B1/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
    • F04D29/185—Rotors consisting of a plurality of wheels
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/548—Specially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • 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
    • 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
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • 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 for easily discharging foreign materials is provided to return a wearing to an original position after foreign materials are discharged by using springs. CONSTITUTION: A pump for easily discharging foreign materials comprises a main body(10), an impeller hub(20), an impeller(30), a wearing(40), fixing bolts(50), nuts(60), nut grooves, and springs(80). A suction port is formed in one side of the main body, and an exhaust port is formed in the other side. The impeller hub is arranged inside the main body and is rotated. The impeller is vertically positioned in the outer surface of the impeller hub. The wearing is formed on the inner surface of the main body and is divided at uniform intervals. The fixing bolts fix the wearing. The nuts are coupled to the inner ends of the fixing bolts. The nut grooves are formed on the outer surface of the wearing. The springs are formed between the inner surface of the main body and the outer surface of the wearing.

Description

A pump equipped with the easy emitting of the particulate matters

The present invention relates to a pump that is easy to discharge foreign matters, and more particularly, between an impeller and a wear ring fastened to an inner surface of the main body while moving in accordance with the rotation of the motor and installed in the main body of the pump to move water from the inlet to the outlet. The present invention relates to a pump for easily discharging foreign substances, characterized in that it is possible to easily discharge the caught foreign substances to the discharge port side, thereby preventing the failure of the pump and extending the life of the pump for a long time.

In general, the pump is directly installed in the water gate and used to suck water from one side to transfer and discharge to the other side, the pump is formed in a predetermined shape, the suction port is formed on one side and the suction on the other side A main body having a discharge port through which the discharged water is discharged; An impeller for transferring the water sucked into the suction port to a discharge port; A wear ring formed on an inner surface of the main body corresponding to the impeller so that the water transferred from the suction port to the discharge port is transferred through the impeller without falling into a gap; And the like.

When the water is transferred from one side to the other side by using the pump having the above configuration, foreign substances are often caught between the outer side of the impeller installed in the pump body and the inner side of the wear ring. Such a phenomenon reduces the operating efficiency of the pump and provides an overload to the rotation of the impeller, which shortens the life of the pump or causes the pump to fail.

The present invention has been made to solve the above problems, is formed on the inner surface of the main body, the wear ring is fixed to a position corresponding to the impeller is divided into a predetermined interval, each divided wear ring is the inner surface of the main body Fasten bolts and nuts to the fixed bolts, but by attaching a spring to the fixing bolts, even if foreign matter is caught between the impeller and the wear ring, each of the divided wear rings is elastically closely adhered to the inner wall of the main body by the spring, so that the foreign matter naturally comes to the outlet side. It is an object of the present invention to provide a pump that is easy to discharge the foreign substance, characterized in that it is possible to escape, and the wear ring is returned to its original position by the spring after the foreign substance is released.

In addition, the impeller is fastened to the outer periphery curved surface of the impeller hub at a predetermined interval, the elastic member of a predetermined thickness is formed between the lower surface of the impeller and the outer surface of the impeller hub, and the impeller is fixed to the impeller hub The lower part of the government forms a vertical movement guide that is fastened by a spring-loaded bolt, so that the impeller is elastically moved toward the inner center even when foreign matter is caught between the impeller and the wear ring, so that the foreign material can be naturally discharged to the discharge port side. Of course, the second object of the present invention is to provide a pump for easily discharging the foreign matter, so that the impeller can be returned to its original position by the spring device of the elastic member and the impeller fixing part after the foreign matter is released.

Hereinafter will be described in more detail the configuration of the present invention for achieving the above object.

The present invention, the body is formed of a predetermined shape, the suction port is formed on one side and the discharge port is formed on the other side; An impeller hub installed in the main body and axially rotated; An impeller fastened to the outer circumferential surface of the impeller hub; A wear ring formed on an inner surface of the main body corresponding to the impeller and divided at regular intervals; Fixing bolt for fixing the wear ring through the through hole formed in one side of the main body; A nut screwed into an inner end of the fixing bolt; A nut groove recessed on an outer surface of the wear ring in a shape corresponding to the nut; A spring mounted to the body of the fixing bolt and formed between an inner surface of the body and an outer surface of the wear ring; Characterized in that the pump is easy to discharge foreign substances made of.

In addition, the main body is formed of a predetermined shape, the suction port is formed on one side and the discharge port is formed on the other side; An impeller hub installed in the main body and axially rotated; An impeller fastened to the outer circumferential surface of the impeller hub; Wear rings formed on the inner surface of the body corresponding to the impeller; It is made, including, the impeller is fastened at a predetermined interval to the outer periphery curved surface of the impeller hub is characterized in that the pump is easy to discharge the foreign matter to be moved elastically in and out.

In addition, the wear ring is characterized in that it is divided into one or two more than the number of impellers formed at regular intervals on the outer circumferential surface of the impeller hub.

In addition, the divided surface of the wear ring is characterized in that it is formed inclined in the direction in which the impeller rotates.

In addition, the fixing bolt, the nut, the nut groove, the spring is formed on the outer surface of the wear ring, characterized in that each formed on the suction port side and discharge port side.

In addition, the tension of the spring formed on the discharge port side on the outer surface of the wear ring is characterized in that the weaker than the tension of the spring formed on the suction port side on the outer surface of the wear ring.

The impeller fastened to the outer circumferential surface of the impeller hub may include a circular groove formed on the outer circumferential surface of the impeller hub; A fixing part formed in a shape corresponding to the circular groove, the center part of the lower end of the impeller being vertically fastened in the center of the upper surface thereof; A vertical movement guide part protruding from the lower center of the fixing part, the spring being mounted on the outer circumferential surface thereof, and the bolt fastening groove being formed in the center of the bottom surface thereof; An elastic member formed to a predetermined thickness at a lower end of the impeller except for a central part fastened to an upper surface of the fixing part; A movement guide groove which is formed concave in the center of the inner bottom surface of the circular groove so that the vertical movement guide portion is movable in and out; A bolt through hole formed in the center of the inner bottom surface of the movable guide groove to penetrate the bolt; A vertical bolt that penetrates the bolt through hole and is fastened to a bolt fastening groove formed at the center of the bottom surface of the vertical movement guide part; It is characterized by being fastened to.

In addition, the main body of a predetermined enclosure shape in which the suction port is formed on one side and the discharge port is formed on the other side; An impeller hub installed in the main body and axially rotated; An impeller fastened to the outer circumferential surface of the impeller hub; A wear ring formed on an inner surface of the main body corresponding to the impeller and divided at regular intervals; A fixing bolt for fixing the wear ring by penetrating the fixing bolt through hole formed at one side of the main body; A nut screwed into an inner end of the fixing bolt; A nut groove recessed on an outer surface of the wear ring in a shape corresponding to the nut; A spring mounted to the body of the fixing bolt and formed between an inner surface of the body and an outer surface of the wear ring; It is made, the impeller is fastened to the outer periphery curved surface of the impeller hub is characterized in that it is moved elastically in and out.

Both sides of the impeller, which are vertically erected and fastened to the outer circumferential surface of the impeller hub, are formed in a curved line, and the curved line is formed to protrude in a rotating direction.

The present invention having the above-described configuration can expect the following effects.

First, by splitting the wear ring formed at a position corresponding to the impeller of the inner surface of the pump body at regular intervals, and fastening the wear ring with a fixing bolt and a nut, by forming a spring on the body of the fixing bolt, the impeller Even if foreign matter is caught between the outer side of the wear ring and the inner surface of the wear ring, the wear ring is elastically moved to the inner side of the main body by the size of the foreign matter so that the foreign matter can be easily moved to the discharge port side through the gap formed thereby, It is effective in preventing performance degradation and failure.

Second, it is possible to elastically move the impeller vertically fastened to the outer circumferential surface of the impeller hub inward and outward so that the impeller can elastically move toward the inner center direction even if foreign matter is caught between the outer side of the impeller and the inner side of the wear ring. By doing so, the foreign matter can escape to the discharge port side through the gap formed thereby, thereby significantly improving the durability of the product, and thus has the effect of greatly extending the life of the product.

1 is a schematic diagram of Embodiment 1 according to the present invention;
Figure 2 is a detailed exploded view of portion "A" of Figure 1 according to the present invention;
Figure 3 is a side internal structure diagram of Example 1 according to the present invention
4 is a detailed view of portion “B” of FIG. 3 according to the present invention;
5, 6 is an example of the use of Example 1 according to the present invention
7 is a schematic diagram of Embodiment 2 according to the present invention;
Figure 8 is an exploded view of the fastening structure of the impeller hub and the impeller according to the second embodiment of the present invention
9 is a side internal structure diagram of a second embodiment according to the present invention
10, 11 is an example of the use of Example 2 according to the present invention
12 is a use example of Example 3 according to the present invention
Figure 13 is a detailed view of portion "C" of Figure 12 in accordance with the present invention;
14 is a side internal structural diagram of Embodiment 3 according to the present invention;

Specific embodiments of the present invention for providing the above-described solutions and effects will be described in more detail based on the accompanying drawings.

As shown in FIG. 1, the pump according to the present invention includes: a main body 10 formed of a predetermined enclosure in which a suction port 10a is formed at one side and a discharge port 10b is formed at the other side; An impeller hub 20 which is installed in the body 10 in a horizontal cylindrical shape and is axially rotated; An impeller 30 formed perpendicular to the outer circumferential surface of the impeller hub 20; Wear ring 40 formed at a position corresponding to the impeller 30 of the inner surface of the main body 10; Is based on the configuration consisting of, the elastic fastening structure of the wear ring 40 is fastened to the inner surface of the main body 10, the elasticity of the impeller 30 is fastened to the outer circumferential surface of the impeller hub 20 It features a fastening structure.

Here, the wear ring 40 is fastened to a position corresponding to the impeller 30 of the inner surface of the pump body 10, is formed in a substantially round frame shape and the water transported by the rotation of the impeller 30 The wear ring 40 is divided and cut at regular intervals in the present invention, and the divided cut surface of the wear ring 40 is formed to be inclined in the rotational direction of the impeller 30.

Wear ring 40 divided at regular intervals as described above is fastened to the inner surface of the main body 10 by the fixing bolt 50 and the T-slot nut 60, the inner side of the main body 10 toward the inner center direction The fixing bolt through hole 11 is formed through, and the fixing bolt 50 penetrates the fixing bolt through hole 11 and is inserted into the main body 10, and one side of the fixing bolt 50 is formed. The T groove nut 60 is fastened to the end thereof, and a nut groove 70 corresponding to the T groove nut 60 is formed on the outer surface of the wear ring 40.

In addition, when the wear ring 40 having a nut groove 70 formed on an outer surface thereof is fastened to the T groove nut 60 fastened to one end of the fixing bolt 50, the wear ring 40 has a main body. Bolted to the inner side of (10).

At this time, the spring 80 is mounted to the body portion 51 of the fixing bolt 50, one side end of the spring 80 to abut on the inner surface of the body 10, the spring 80 When the other end of the wear ring 40 is in contact with the outer surface of the wear ring 40, the wear ring 40 is to be made in close contact or separation to the inner surface of the main body 10 is elastic.

That is, when the force is applied to the wear ring 40 to be in close contact with the inner surface of the body 10, the outer surface of the wear ring 40 is pressed against the spring 80, and at the same time T to the outer surface of the wear ring 40 The fixing bolt 50 fixed by the groove nut 60 is moved outward through the fixing bolt through hole 11, and the distance that the fixing bolt 50 is moved outward is the wear ring 40 is the main body 10. It is equal to the distance moved close to the inner surface of the.

On the contrary, when the force applied to the wear ring 40 is removed, the wear ring 40 is returned to its original position by the elasticity of the spring 80, and thus the fixing bolt 50 is also returned to the original position.

When the impeller hub 20 and the impeller 30 of the pump in which the elastic fastening structure of the wear ring 40 divided as described above is rotated to transfer water from the inlet port 10a to the outlet port 10b, the impeller ( Even if the foreign matter is temporarily caught between the outer side of the 30 and the inner surface of the wear ring 40, the impeller 30 rotates to elastically move the wear ring 40 to the inner side of the main body 10 by the size of the foreign matter. The foreign matter does not fit between the outer side of the impeller 30 and the inner side of the wear ring 40 is to exit to the discharge port (10b) side.

After the foreign matter is released as described above by the elasticity of the spring 80 formed between the outer surface of the wear ring 40 and the inner surface of the main body 10 is elastically restored to its original position again, the impeller 30 to rotate This prevents the water transported by the leak.

On the other hand, the fixing ring 50, the T-slot nut 60, the nut groove 70, the spring is configured to make the wear ring 40 close to the inner surface of the main body 10 elastically or spaced as described above It was formed in pairs respectively on the inlet 10a side and the outlet 10b side on the outer surface of the wear ring 40, so that each of the divided wear rings 40 could be stably supported.

At this time, of the pair of springs 80 formed on the outer surface of the wear ring 40, the tension of the rear spring 80b formed on the discharge port 10b side than the front spring 80a formed on the suction port 10a side. Is formed so that the foreign matter passing while pressing the front spring 80a at the suction port 10a side more easily exits to the discharge port 10b side when it reaches the rear spring 80b at the discharge port 10b side. .

In addition, the impeller 30 is fastened at regular intervals to the outer circumferential curved surface of the impeller hub 20 constituting the pump. Hereinafter, the above structure will be described in more detail, and another technical feature of the present invention will be described together. .

That is, the outer surface of the impeller hub 20 has a circular groove 90 is formed at a predetermined interval, the upper surface of the fixing portion 100 is formed in a shape corresponding to the fastening to the circular groove 90 is possible A central portion of the lower end of the impeller 30 is vertically fastened at the center thereof, and a vertical movement guide portion 130 is formed at the lower center of the fixing portion 100, and a bolt is fastened at the center of the bottom surface of the vertical movement guide portion 130. The groove 120 is formed.

In addition, the lower end of the impeller 30, except the center portion that is fastened to the upper surface of the fixing portion 100 is formed with an elastic member 140 to a predetermined thickness, the vertical movement in the center of the inner bottom surface of the circular groove (90) A movement guide groove 150 through which the guide portion 130 enters and exits is formed, and a spring 110 is mounted on an outer circumferential surface of the vertical movement guide portion 130.

Here, the bottom surface of the elastic member 140 formed at the lower end of the impeller 30 is preferably formed in a structure that is in close contact with the outer surface of the impeller hub 20.

In addition, one side end of the spring 110 mounted on the outer circumferential surface of the vertical movement guide portion 130 is in contact with the bottom surface of the fixing portion 100, the other end of the spring 110 is a circular groove (90) The structure is abutted on the inner bottom surface of the.

That is, a bolt through hole 170 is formed in the center of the inner bottom surface of the movement guide groove 150 through which the vertical movement guide part 130 passes, and the vertical movement is formed at the bottom of the fixing part 100. A spring 110 is mounted to the guide part 130, and one side end of the vertical bolt 160 is fastened to the bolt fastening groove 120 formed at the center of the bottom surface of the vertical movement guide part 130. The vertical bolt 160 passes through the bolt through hole 170, but the head 160a penetrates the inner surface of the impeller hub 20 to be fastened to the bolt fastening groove 120.

At this time, the vertical bolt 160 that is fastened to the bolt fastening groove 120 formed in the center of the bottom surface of the vertical movement guide portion 130 of the fixing portion 100 is mounted on the outer circumferential surface of the vertical movement guide portion 130 It is preferable that the spring 110 is fastened to move inward and outward.

Accordingly, a separation space is generated between the bottom surface of the fixing part 100 and the inner bottom surface of the circular groove 90, and the fixing part 100 is elastically moved inward and outward within a range of the separation space. will be.

Accordingly, when the fixing part 100 is pressed against the inner center direction, the vertical moving guide part 130 formed at the lower center of the fixing part 100 is further inserted into the moving guide groove 150. While pressing the spring 110, and at the same time through the bolt through hole 170 from the inside of the impeller hub 20 is fastened to the bolt fastening groove 120 in the center of the bottom surface of the vertical movement guide portion 130 The vertical bolt 160 is moved in the inner center direction, and the moving distance in the inner center direction of the vertical bolt 160 is equal to the distance moved by the fixing part 100 pressed inward.

On the other hand, when the force applied to the fixing portion 100 is pressed inward as described above, by the elasticity of the spring 110 mounted on the vertical movement guide portion 130 of the fixing portion 100 The fixing part 100 moves outward to return to its original position and at the same time, the head part 160a of the vertical bolt 160, which has been moved toward the inner center direction of the impeller hub 20, moves outward and the impeller hub 20 It is caught on the inner side of the.

In the process of rotating the impeller hub 20 and the impeller 30 formed as described above, if foreign matter is caught between the outer side of the impeller 30 and the inner surface of the wear ring 40, due to the foreign matter impeller 30 is an elastic member formed to a predetermined thickness at the bottom of the impeller 30 except for the center portion which is pressed to the inside of the fixing portion 100 fastened to the inner side of the lower portion at the same time. The pressing member 140 is moved, and the vertical movement guide part 130 formed at the lower center of the fixing part 100 moves inward while pressing the spring 110 so that the outer part and the wear ring 40 of the impeller 30 are moved. The foreign matter temporarily sandwiched between the inner surfaces is discharged to the discharge port 10b by the inner movement of the impeller 30.

As the foreign matter inserted between the outer side of the impeller 30 and the inner surface of the wear ring 40 is discharged to the discharge port 10b side, the impeller 30 temporarily moved inwards due to the foreign matter is the vertical movement guide part ( 130 is to be returned to its original position by the elasticity of the spring 110 mounted on.

Accordingly, even if the water sucked into the suction port 10a of the pump contains a large amount of foreign matter, the inside of the outer portion of the impeller 30 and the wear ring 40 due to the impeller 30 which is elastically movable in and out as described above. Foreign matter is not caught between the sides to exit to the discharge port (10b) side.

In the above embodiment, only the elastic fastening structure of the divided wear ring 40 and the elastic fastening structure of the impeller 30 have been described, but the elastic fastening structure of the divided wear ring 40 and the elastic fastening of the impeller 30 are described. By combining the structure into one, even if foreign matter is caught between the outer side of the impeller 30 and the inner surface of the wear ring 40, the center of the wear ring 40 and the main body 10 elastically in close contact with the inner surface of the main body 10 Of course, it is also possible to more easily escape the foreign matter to the discharge port (10b) side due to the impeller 30 is elastically moved to, the operation description of the detailed configuration in the present embodiment is divided above the wear ring 40 Reference will be made to the description of the elastic fastening structure of the) and the description of the elastic fastening structure of the impeller (30).

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

10: main body 11: fixed bolt through hole
10a: suction port 10b: discharge port
20: impeller hub 30: impeller
40: wear ring 50, 50a, 50b: fixing bolt
51: body 60: nut
70: nut groove 80: spring
80a: front spring 80b: rear spring
90: circular groove 100: fixed part
110: spring 120: bolted groove
130: vertical movement guide portion 140: elastic member
150: moving guide groove 160: vertical bolt
160a: head portion 170: bolt through hole

Claims (9)

A main body 10 formed to have a predetermined shape, the inlet 10a being formed at one side, and the outlet 10b being formed at the other side; An impeller hub 20 installed in the main body 10 to be axially rotated; An impeller 30 which is vertically erected and fastened to the outer circumferential curved surface of the impeller hub 20, both sides of which are formed in a curve, and the curve is formed by protruding in a rotational direction; A wear ring 40 formed on an inner surface of the main body 10 corresponding to the impeller 30 and divided at regular intervals; A fixing bolt 50 for fixing the wear ring 40 through the fixing bolt through hole 11 formed at one side of the main body 10; A nut (60) screwed into an inner end of the fixing bolt (50); A nut groove 70 formed in a shape corresponding to the nut 60 to be concave on the outer surface of the wear ring 40; A spring 80 mounted to the body 51 of the fixing bolt 50 and formed between an inner surface of the body 10 and an outer surface of the wear ring 40; The fixing bolt 50, the nut 60, the nut groove 70, the spring 80, on the outer surface of the wear ring 40, the suction port 10a side and the discharge port 10b side, respectively It is formed one by one, the tension of the rear spring (80b) formed on the discharge port 10b side on the outer surface of the wear ring 40 is the tension of the front spring (80a) formed on the suction port (10a) side on the outer surface of the wear ring 40 Easy to discharge the foreign material, characterized in that the weaker pump.
A main body 10 having a predetermined shape, the inlet 10a being formed at one side, and the outlet 10b being formed at the other side; An impeller hub 20 installed in the main body 10 to be axially rotated; An impeller 30 which is vertically erected and fastened to the outer circumferential curved surface of the impeller hub 20, both sides of which are formed in a curve, and the curve is formed by protruding in a rotational direction; Wear ring 40 formed on the inner surface of the main body 10 corresponding to the impeller 30; It is made, including, the impeller 30 is fastened to the outer periphery curved surface of the impeller hub 20 at a predetermined interval is easy to discharge the foreign material, characterized in that the elastically moved in and out.
The method of claim 1,
The wear ring 40 is easy to discharge the foreign material, characterized in that divided into 1 to 2 more than the number of the impeller 30 formed at a predetermined interval on the outer surface of the impeller hub (20).
The method of claim 1,
Divided surface of the wear ring 40 is easy to discharge the foreign material, it characterized in that the impeller 30 is formed inclined in the direction of rotation.
delete delete The method of claim 2,
The impeller 30 fastened to the outer circumferential surface of the impeller hub 20 includes a circular groove 90 formed on the outer circumferential surface of the impeller hub 20; A fixing part 100 formed in a shape corresponding to the circular groove 90, in which a central part of a lower end of the impeller 30 is vertically fastened to a center of an upper surface thereof; A vertical movement guide part 130 protruding from the lower center of the fixing part 100, the spring 110 being mounted on the outer circumferential surface thereof, and the bolt fastening groove 120 being formed at the center of the bottom surface thereof; An elastic member 140 formed to a predetermined thickness at a lower end of the impeller 30 except for a central part fastened to an upper surface of the fixing part 100; A movement guide groove 150 formed concave in the center of the inner bottom surface of the circular groove 90 so that the vertical movement guide part 130 can move in and out; A bolt through hole 170 formed through the center of the inner bottom surface of the movable guide groove 150 to allow the vertical bolt 160 to be inserted therethrough; A vertical bolt 160 passing through the bolt through hole 170 and fastened to the bolt fastening groove 120 formed at the center of the bottom surface of the vertical movement guide part 130; The pump is easy to discharge foreign substances, characterized in that fastened to.
A main body 10 having a predetermined shape, the inlet 10a being formed at one side, and the outlet 10b being formed at the other side; An impeller hub 20 installed in the main body 10 to be axially rotated; An impeller 30 which is vertically erected and fastened to the outer circumferential curved surface of the impeller hub 20, both sides of which are formed in a curve, and the curve is formed by protruding in a rotational direction; A wear ring 40 formed on an inner surface of the main body 10 corresponding to the impeller 30 and divided at regular intervals; A fixing bolt 50 for fixing the wear ring 40 through the fixing bolt through hole 11 formed at one side of the main body 10; A nut (60) screwed into an inner end of the fixing bolt (50); A nut groove 70 formed in a shape corresponding to the nut 60 to be concave on the outer surface of the wear ring 40; A spring 80 mounted to the body 51 of the fixing bolt 50 and formed between an inner surface of the body 10 and an outer surface of the wear ring 40; Made of, the impeller 30 is fastened to the outer circumferentially curved surface of the impeller hub 20 is easy to discharge the foreign material, characterized in that the elastically moved in and out.

delete
KR1020100096948A 2010-10-05 2010-10-05 A pump equipped with the easy emitting of the particulate matters KR101007473B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101236425B1 (en) 2012-06-26 2013-02-22 김기철 A submerged motor pump
KR20160010938A (en) * 2014-07-21 2016-01-29 (주)그린텍 Adjusting apparatus for impeller clearance in axial-flow pump
CN108757545A (en) * 2018-07-06 2018-11-06 无锡市海星船舶动力有限公司 The armature spindle that installation rigidized cover is bonded
CN110513332A (en) * 2019-09-02 2019-11-29 台州市杰龙风机厂 A kind of auxiliary support bracket for fan air drum

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59208200A (en) 1983-05-13 1984-11-26 Matsushita Seiko Co Ltd Moving blade control type axial blower
JP2009150406A (en) 2003-07-07 2009-07-09 Mizota Corp Pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59208200A (en) 1983-05-13 1984-11-26 Matsushita Seiko Co Ltd Moving blade control type axial blower
JP2009150406A (en) 2003-07-07 2009-07-09 Mizota Corp Pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101236425B1 (en) 2012-06-26 2013-02-22 김기철 A submerged motor pump
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
CN108757545A (en) * 2018-07-06 2018-11-06 无锡市海星船舶动力有限公司 The armature spindle that installation rigidized cover is bonded
CN110513332A (en) * 2019-09-02 2019-11-29 台州市杰龙风机厂 A kind of auxiliary support bracket for fan air drum
CN110513332B (en) * 2019-09-02 2021-06-08 台州市杰龙风机厂 Auxiliary bearing support for fan air duct

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