KR100634120B1 - Float-switching device of a water pump - Google Patents

Float-switching device of a water pump Download PDF

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Publication number
KR100634120B1
KR100634120B1 KR1020050023261A KR20050023261A KR100634120B1 KR 100634120 B1 KR100634120 B1 KR 100634120B1 KR 1020050023261 A KR1020050023261 A KR 1020050023261A KR 20050023261 A KR20050023261 A KR 20050023261A KR 100634120 B1 KR100634120 B1 KR 100634120B1
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KR
South Korea
Prior art keywords
mounting groove
link bar
float
switching device
toggle switch
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KR1020050023261A
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Korean (ko)
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KR20060101708A (en
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최덕진
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최덕진
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Priority to KR1020050023261A priority Critical patent/KR100634120B1/en
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Publication of KR100634120B1 publication Critical patent/KR100634120B1/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
    • 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
    • F04D13/066—Floating-units
    • 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
    • F04D13/0693—Details or arrangements of the wiring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • 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
    • F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • H01H23/16—Driving mechanisms
    • H01H23/162—Driving mechanisms incorporating links interconnecting tumbler and contact arm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
    • 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
    • F05D2270/00—Control
    • F05D2270/50—Control logic embodiments
    • F05D2270/58—Control logic embodiments by mechanical means, e.g. levers, gears or cams
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

본 발명은 저수조의 수위에 따라 수중펌프를 자동으로 작동시키는 수중펌프용 플로트 스위칭 장치에 관한 것으로서, 수중펌프(1)의 헤드부(3)의 장착홈(5)에 토글 스위치(11)가 장착되고, 상기 토글 스위치(11)의 가동자(13)에 "C"형 클램프 아암(21)이 장착되고, 상기 "C"형 클램프 아암(21)의 C 형상부(23)에 링크바아(31)의 일단이 끼워지고, 상기 링크바아(31)의 타단이 헤드부(3)의 장착홈(5) 측벽(5a)을 통해 외부로 돌출되고, 상기 링크바아(31)의 타단에 플로트(41)가 장착되는 것을 특징으로 한다.The present invention relates to a float switching device for a submersible pump for automatically operating a submersible pump according to the water level of a reservoir, and a toggle switch (11) is mounted in the mounting groove (5) of the head (3) of the submersible pump (1). The "C" type clamp arm 21 is mounted on the mover 13 of the toggle switch 11, and the link bar 31 is attached to the C shaped part 23 of the "C" type clamp arm 21. ) Is fitted, and the other end of the link bar 31 protrudes to the outside through the side wall 5a of the mounting groove 5 of the head portion 3, and floats the other end of the link bar 31. ) Is mounted.

Description

수중펌프용 플로트 스위칭 장치{Float-switching device of a water pump}Float-switching device of a water pump

도 1은 본 발명에 따른 플로트 스위칭 장치를 나타내기 위해 헤드부를 단면으로 도시한 수중펌프Figure 1 is an underwater pump showing the head portion in cross section to show a float switching device according to the present invention

도 2는 본 발명에 따른 수중펌프용 플로트 스위칭 장치를 도시한 사시도Figure 2 is a perspective view showing a float switching device for a submersible pump according to the present invention

도 3은 도 1의 링크바아를 도시한 분해 사시도3 is an exploded perspective view of the link bar of FIG. 1;

도 4 및 도 5는 본 발명에 따른 플로트 스위칭 장치가 저수조에서 작동되는 예를 도시한 개략도4 and 5 are schematic diagrams showing an example in which the float switching device according to the present invention is operated in a reservoir.

본 발명은 저수조의 수위에 따라 수중펌프를 자동으로 작동시키는 수중펌프용 플로트 스위칭 장치에 관한 것으로서, 보다 상세하게는 헤드부의 장착홈에 토글 스위치가 장착되고, 상기 토글 스위치의 가동자가 링크부재와 연결되고, 헤드부에서 돌출된 링크부재의 선단부에 플로트(부구)가 장착되는 수중펌프용 플로트 스위칭 장치에 관한 것이다.The present invention relates to a float switching device for a submersible pump that automatically operates a submersible pump according to the water level of a reservoir. The present invention relates to a float switching device for a submersible pump, in which a float (part) is mounted at a distal end of a link member protruding from a head.

대한민국 실용신안등록출원 제91-20026호(1991년 11월 21일 출원)에 "수중펌프용 후로트 스위치"가 소개되어 있다.Korean Utility Model Registration Application No. 91-20026 (filed November 21, 1991) introduces a "float switch for submersible pumps."

상기 수중펌프용 후로트 스위치는 후로트 본체의 내부에 브레이크 접점방식의 마이크로 스위치를 설치하여 그 접점돌기를 눌러주는 가압편을 가진 작동간을 축설하고, 작동간 가압봉 볼을 후로트 본체 내부 일측에 형성된 안내홈에 내장하여 후로트의 경사방향에 따라 볼이 이동되면서 스위치를 온/오프시키도록 구성되어 있다.The float switch for the submersible pump is installed in the inside of the float body micro-switch of the brake contact type to build up the operation period with the pressing piece for pressing the contact projections, the guide rod formed on one side inside the float body during operation Built into the groove is configured to turn the switch on / off as the ball moves along the inclined direction of the float.

그러나, 상기 수중펌프용 후로트 스위치는 전선에 의해 수중펌프와 후로트 본체가 연결되어 있어 후로트가 스위치 작동을 하기 위해서는 넓은 공간이 요구되고, 전선이 외부환경에 의해 부식되기 쉽고, 겨울철에 얼어 유연성이 없질 경우 스위칭 작용이 원활하게 이루어지지 않는 단점이 있다.However, since the float switch for the submersible pump is connected to the submersible pump and the float main body by wires, a large space is required for the float to operate the switch. In this case, there is a disadvantage that the switching action is not made smoothly.

따라서, 본 발명의 목적은 헤드부의 장착홈에 토글 스위치가 장착되고, 상기 토글 스위치의 가동자가 링크부재와 연결되고, 헤드부에서 돌출된 링크부재의 선단부에 플로트(부구)가 장착됨으로서, 넓은 면적이 요구되지 않고, 전선이 외부로 노출되지 않아 전선부식위험이 없으며, 겨울철에도 스위칭 작동이 원활하게 이루어질 수 있는 수중펌프용 플로트 스위칭 장치를 제공하는 것이다.Therefore, an object of the present invention is a toggle switch is mounted in the mounting groove of the head portion, the mover of the toggle switch is connected to the link member, a float (mount) is mounted to the tip of the link member protruding from the head portion, a large area This is not required, there is no risk of wire corrosion because the wire is not exposed to the outside, and to provide a float switching device for a submersible pump that can be performed smoothly even in winter.

상기와 같은 목적을 달성하기 위한 본 발명의 바람직한 실시예를 도면을 참조하여 상세하게 설명하기로 한다.Preferred embodiments of the present invention for achieving the above object will be described in detail with reference to the drawings.

도 1 및 도 2를 참조하면, 본 발명에 따른 수중펌프용 플로트 스위칭 장치는 수중펌프(1)의 헤드부(3)의 장착홈(5)에 토글 스위치(11)가 장착되고, 상기 토글 스위치(11)의 가동자(13)에 "C"형 클램프 아암(21 ; clamp arm)이 장착되고, 상기 "C"형 클램프 아암(21)의 C 형상부(23)에 링크바아(31 ; link bar)의 일단이 끼워지고, 상기 링크바아(31)의 타단이 헤드부(3)의 장착홈(5) 측벽(5a)을 통해 외부로 돌출되고, 상기 링크바아(31)의 타단에 플로트(41 ; float)가 장착된다.1 and 2, in the float switching apparatus for submersible pumps according to the present invention, a toggle switch 11 is mounted in the mounting groove 5 of the head part 3 of the submersible pump 1, and the toggle switch is provided. A "C" clamp arm 21 (clamp arm) is mounted to the mover 13 of (11), and a link bar 31 is attached to the C-shaped portion 23 of the "C" clamp arm 21. One end of the bar is fitted, and the other end of the link bar 31 protrudes to the outside through the side wall 5a of the mounting groove 5 of the head part 3, and the float (at the other end of the link bar 31). 41; float) is mounted.

상기 헤드부(3)의 장착홈(5)은 토글 스위치(11), "C"형 클램프 아암(21) 및 링크바아(31)가 장착된 후 커버(7)에 의해 커버된다.The mounting groove 5 of the head part 3 is covered by the cover 7 after the toggle switch 11, the "C" type clamp arm 21 and the link bar 31 are mounted.

상기 토글 스위치(11)는 "ㄴ"형상의 브라켓(51)에 고정된 상태에서 브라켓(51)의 수평부(53)가 장착홈(5)의 바닥면에 고정됨으로서, 헤드부(3)의 장착홈(5)에 장착되고, 가동자(13)가 브라켓(51)의 수직부(55)를 통과하여 그 선단부가 "C"형 클램프 아암(21)에 연결되고, 온 단자부(도시하지 않음)가 오프 단자부(도시하지 않음)에 대해 상대적으로 하부에 배치되도록 세워진 상태로 헤드부(3)의 장착홈(5)에 배치된다.The toggle switch 11 is fixed to the bracket 51 of the "b" shape, the horizontal portion 53 of the bracket 51 is fixed to the bottom surface of the mounting groove 5, so that the head of the head (3) Mounted in the mounting groove 5, the mover 13 passes through the vertical portion 55 of the bracket 51, the front end portion thereof is connected to the "C" type clamp arm 21, the on terminal portion (not shown) ) Is placed in the mounting groove 5 of the head portion 3 in an upright position so as to be disposed at a lower portion relative to the off terminal portion (not shown).

도 1 및 도 3을 참조하면, 상기 링크바아(31)는 고무부츠(32)가 장착되고, 고무부츠(33)가 장착홈(5)의 측벽(5a)에 형성된 구멍에 장착됨으로서, 기밀을 유지할 수 있고, 장착홈(5)의 측벽(5a)을 중심으로 시소운동을 한다. 또한, 상기 링크바아(31)는 일단부에 세로홈(31a)이 형성되고, 상기 세로홈(31a)에 높이 방향으로 장홈(33a)이 형성된 가이드 와셔(33)가 장착됨으로서, 가이드 와셔(33)에 의해, 링크바아(31)가 자신의 중심축을 중심으로 회전되는 것이 방지된다.1 and 3, the link bar 31 is mounted with a rubber boot 32, the rubber boot 33 is mounted in a hole formed in the side wall 5a of the mounting groove 5, It is possible to maintain and perform the seesaw movement about the side wall 5a of the mounting groove 5. In addition, the link bar 31 has a longitudinal groove 31a formed at one end thereof, and a guide washer 33 having a long groove 33a formed in the height direction in the vertical groove 31a is mounted thereon. ), The link bar 31 is prevented from rotating about its central axis.

도 3에서 미설명한 도면부호 34는 고무부츠에 끼워지는 캡이고, 도면부호 35는 고무부츠에 끼워지는 와셔이고, 도면부호 36은 장착홈의 측벽 구멍에 체결되는 너트이다.In FIG. 3, reference numeral 34 denotes a cap fitted to a rubber boot, reference numeral 35 denotes a washer fitted to a rubber boot, and reference numeral 36 denotes a nut fastened to a sidewall hole of a mounting groove.

상기와 같이 구성된 본 발명에 따른 수중펌프용 플로트 스위칭 장치의 작용을 도 4 및 도 5를 참조하여 설명하기로 한다.An operation of the float switching apparatus for a submersible pump according to the present invention configured as described above will be described with reference to FIGS. 4 and 5.

도 4에 도시된 바와같이, 저수조(60)에 물이 차면, 플로트(41)가 상승되면서 링크바아(31)의 선단을 밀게 되면, 장착홈(5)의 측벽(5a)을 중심으로 시소운동을 하게 된다. 이때, 장착홈(5)에 배치된 링크바아(41)의 타단이 하강하면서 토글 스위치(11)의 가동자(13)와 연결된 "C"형 클램프 아암(21)을 하부로 밀게 됨으로서, "C"형 클램프 아암(21)과 함께 토글 스위치(11)의 가동자(13)가 하부로 하강하여 토글 스위치(11)가 턴온(turn on)된다. 이것에 의해 수중펌프가 작동된다.As shown in FIG. 4, when water is filled in the reservoir 60, when the float 41 is pushed up and the tip of the link bar 31 is pushed, the seesaw movement is performed around the side wall 5a of the mounting groove 5. Will be At this time, the other end of the link bar 41 disposed in the mounting groove 5 is lowered and the " C " type clamp arm 21 connected to the mover 13 of the toggle switch 11 is pushed downward, whereby " C " The mover 13 of the toggle switch 11 is lowered together with the "type clamp arm 21, and the toggle switch 11 is turned on. This activates the submersible pump.

상기 수중펌프(1)의 작동에 의해, 도 5에 도시된 바와같이 저수조(60)에 채워진 물의 수위가 하강하게 되면, 플로트(41)가 하강하게 되면서 링크바아(31)가 장착홈(5)의 측벽(5a)을 중심으로 시소운동을 하게 된다. 이때, 링크바아(31)의 타단이 상승하면서 토글 스위치(11)의 가동자(13)와 연결된 "C"형 클램프 아암(21)을 상부로 밀게 됨으로서, "C"형 클램프 아암(21)과 함께 토글 스위치(11)의 가동자(13)가 상부로 상승하여 토글 스위치(11)가 턴 오프(turn off)된다. 이것에 의해 수중펌프(1)의 작동이 정지된다.When the water level of the water filled in the reservoir 60 is lowered by the operation of the submersible pump 1, the float 41 is lowered and the link bar 31 is mounted in the groove 5. The seesaw is moved around the side wall (5a) of the. At this time, the other end of the link bar 31 is pushed upward while pushing the "C" type clamp arm 21 connected to the mover 13 of the toggle switch 11, thereby increasing the "C" type clamp arm 21. Together, the mover 13 of the toggle switch 11 is raised to the upper side and the toggle switch 11 is turned off. As a result, the operation of the submersible pump 1 is stopped.

위에서 설명한 바와같이, 본 발명에 따른 수중펌프용 플로트 스위칭 장치는 저수조의 수위가 올라가거나 내려갈 때 플로트에 연결된 링크바아가 시소운동을 함으로서, 토글 스위치가 턴 온/오프되는 간단한 구조로 넓은 면적이 요구되지 않고, 전선로 노출되는 것이 없어 부식위험이 없으며, 겨울철에도 스위칭 작동이 원활하게 이루어질 수 있는 효과가 있다.As described above, the float switching device for the submersible pump according to the present invention is a simple structure that the toggle switch is turned on / off by the seesaw movement of the link bar connected to the float when the water level of the reservoir is raised or lowered, a large area is required There is no risk of corrosion because it is not exposed to the wire, there is an effect that the switching operation can be made smoothly even in winter.

Claims (4)

수중펌프(1)의 헤드부(3)의 장착홈(5)에 토글 스위치(11)가 장착되고, 상기 토글 스위치(11)의 가동자(13)에 "C"형 클램프 아암(21)이 장착되고, 상기 "C"형 클램프 아암(21)의 C 형상부(23)에 링크바아(31)의 일단이 끼워지고, 상기 링크바아(31)의 타단이 헤드부(3)의 장착홈(5) 측벽(5a)을 통해 외부로 돌출되고, 상기 링크바아(31)의 타단에 플로트(41)가 장착되는 것을 특징으로 하는 수중펌프용 플로트 스위칭 장치.The toggle switch 11 is mounted in the mounting groove 5 of the head part 3 of the submersible pump 1, and the "C" type clamp arm 21 is provided in the movable element 13 of the toggle switch 11. One end of the link bar 31 is fitted to the C-shaped portion 23 of the "C" type clamp arm 21, and the other end of the link bar 31 is a mounting groove of the head portion 3 ( 5) Float switching device for an underwater pump, characterized in that protruding outward through the side wall (5a), the float (41) is mounted on the other end of the link bar (31). 제 1 항에 있어서,The method of claim 1, 상기 헤드부(3)의 장착홈(5)은 토글 스위치(11), "C"형 클램프 아암(21) 및 링크바아(31)가 장착된 후 커버(7)에 의해 커버되는 것을 특징으로 하는 수중펌프용 플로트 스위칭 장치.The mounting groove 5 of the head portion 3 is characterized in that it is covered by a cover 7 after the toggle switch 11, the "C" type clamp arm 21 and the link bar 31 are mounted. Float switching device for submersible pumps. 제 1 항에 있어서,The method of claim 1, 상기 토글 스위치(11)는 "ㄴ"형상의 브라켓(51)에 고정된 상태에서 브라켓(51)의 수평부(53)가 장착홈(5)의 바닥면에 고정됨으로서, 헤드부(3)의 장착홈(5)에 장착되고, 가동자(13)가 브라켓(51)의 수직부(55)를 통과하여 그 선단부가 "C"형 클램프 아암(21)에 연결되고, 온 단자부가 오프 단자부에 대해 상대적으로 하부에 배치되도록 세워진 상태로 헤드부(3)의 장착홈(5)에 배치되는 것을 특징으로 하 는 수중펌프용 플로트 스위칭 장치.The toggle switch 11 is fixed to the bracket 51 of the "b" shape, the horizontal portion 53 of the bracket 51 is fixed to the bottom surface of the mounting groove 5, so that the head of the head (3) It is mounted in the mounting groove 5, the mover 13 passes through the vertical portion 55 of the bracket 51, the front end portion thereof is connected to the "C" type clamp arm 21, the on terminal portion is the off terminal portion Float switching device for a submersible pump, characterized in that disposed in the mounting groove (5) of the head portion (3) in an upright position relative to the lower portion. 제 1 항에 있어서,The method of claim 1, 상기 링크바아(31)는 고무부츠(32)가 장착되고, 고무부츠(33)가 장착홈(5)의 측벽(5a)에 형성된 구멍에 장착됨으로서, 기밀을 유지할 수 있고, 장착홈(5)의 측벽(5a)을 중심으로 시소운동을 하며, 일단부에 세로홈(31a)이 형성되고, 상기 세로홈(31a)에 높이 방향으로 장홈(33a)이 형성된 가이드 와셔(33)가 장착됨으로서, 가이드 와셔(33)에 의해, 링크바아(31)가 자신의 중심축을 중심으로 회전되는 것이 방지되는 것을 특징으로 하는 수중펌프용 플로트 스위칭 장치.The link bar 31 is mounted with a rubber boot 32, the rubber boot 33 is mounted in a hole formed in the side wall 5a of the mounting groove 5, it is possible to maintain the airtight, mounting groove 5 By the seesaw movement around the side wall (5a) of the vertical groove 31a is formed at one end, the guide groove (33) having a long groove (33a) formed in the height direction in the vertical groove (31a) is mounted, Float switching device for submersible pumps, characterized in that by the guide washer 33, the link bar 31 is prevented from rotating about its central axis.
KR1020050023261A 2005-03-21 2005-03-21 Float-switching device of a water pump KR100634120B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101994770B1 (en) * 2018-04-03 2019-07-01 최덕진 Float-switching device of a water pump

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Publication number Priority date Publication date Assignee Title
JPS56167886A (en) * 1980-05-27 1981-12-23 Shin Meiwa Ind Co Ltd Water pump incopropated with operation mechanism
JPS6017280A (en) * 1984-06-11 1985-01-29 Matsushita Electric Ind Co Ltd Pump unit
KR19980073753A (en) * 1997-03-19 1998-11-05 구자홍 Sensor cable fixing device of submersible pump
KR20000016273A (en) * 1997-04-03 2000-03-25 리딩 에지 테크놀로지스, 인코포레이티드 Remote golf ball locator
KR20000072267A (en) * 2000-08-24 2000-12-05 이명권 Floating water pumping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56167886A (en) * 1980-05-27 1981-12-23 Shin Meiwa Ind Co Ltd Water pump incopropated with operation mechanism
JPS6017280A (en) * 1984-06-11 1985-01-29 Matsushita Electric Ind Co Ltd Pump unit
KR19980073753A (en) * 1997-03-19 1998-11-05 구자홍 Sensor cable fixing device of submersible pump
KR20000016273A (en) * 1997-04-03 2000-03-25 리딩 에지 테크놀로지스, 인코포레이티드 Remote golf ball locator
KR20000072267A (en) * 2000-08-24 2000-12-05 이명권 Floating water pumping device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101994770B1 (en) * 2018-04-03 2019-07-01 최덕진 Float-switching device of a water pump

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