TWI405907B - Drainage pump - Google Patents

Drainage pump Download PDF

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Publication number
TWI405907B
TWI405907B TW095138587A TW95138587A TWI405907B TW I405907 B TWI405907 B TW I405907B TW 095138587 A TW095138587 A TW 095138587A TW 95138587 A TW95138587 A TW 95138587A TW I405907 B TWI405907 B TW I405907B
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TW
Taiwan
Prior art keywords
blade
small
pump
diameter blade
suction port
Prior art date
Application number
TW095138587A
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Chinese (zh)
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TW200730729A (en
Inventor
Tadashi Kabayama
Yuya Kato
Masayuki Imai
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Fujikoki Corp
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Publication of TW200730729A publication Critical patent/TW200730729A/en
Application granted granted Critical
Publication of TWI405907B publication Critical patent/TWI405907B/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/12—Pumps with scoops or like paring members protruding in the fluid circulating in a bowl
    • 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
    • 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
    • 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
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

The drain pump in accordance with the present invention comprises a motor (10), an impeller (100) connected to the output shaft of the motor, and a pump housing (50) in which the impeller is stored. The impeller (100) comprises large diameter blades (120), small diameter blades (140), a ring member (150) for connecting outer peripheral parts of the large diameter blades to one another, and a hollow disk member (160) connected to the lower end of the ring member. In addition, the lower end surface of the small diameter blades (140) fixed to a position where the size of end surface of suction entrance (60) goes inside of the pump housing. Furthermore, the projection area of the small diameter blades is set as 60%-70% as the inner diameter area of the suction entrance to reduce noise by depressing intake. According to the present invention, the noise of a drainage pump installed in an air conditioner can be reduced.

Description

排水泵浦Drainage pump

本發明係關於排水泵浦，尤其是安裝於空氣調節機之排水泵浦。The invention relates to drainage pumps, in particular to drainage pumps installed in air conditioners.

空調機之室內單元，於冷氣運轉時空氣中之水分凝聚且附著於熱交換器，然後滴入被設置於熱交換器下方之排洩水接水盤內。排水泵浦係用以排出積存於該排洩水接水盤內之排洩水。該排水泵浦，係於下部形成吸入口，於上部呈開口的同時，於側方設置有吐出口之泵浦本體的殼體內，設置可旋轉自如的葉片，藉由殼體之開口的上部經由外蓋所固定之馬達來使該葉片旋轉。該馬達之驅動軸，係轉動自如地貫通於形成在外蓋之貫通孔，而連結於葉片之軸芯部，當驅動馬達，而使葉片旋轉，則貯存於排洩水接水盤內之排洩水，便從吸入口之葉片的下端被吸入，並藉由離心力沿著殼體內面被揚昇，而從機殼的吐出口吐出至外部。In the indoor unit of the air conditioner, moisture in the air is condensed and adhered to the heat exchanger during the air-conditioning operation, and then dropped into the drain water tray provided below the heat exchanger. The drain pump is used to drain the drain water accumulated in the drain water tray. The drain pump is formed with a suction port at a lower portion and is open at the upper portion, and is provided with a rotatably-movable blade in a casing of the pump body provided with a discharge port on the side thereof, and the upper portion of the opening of the casing is passed through A motor fixed to the outer cover rotates the blade. The drive shaft of the motor is rotatably inserted through the through hole formed in the outer cover, and is coupled to the shaft core portion of the blade. When the motor is driven to rotate the blade, the drain water stored in the drain water drain pan is discharged. The lower end of the blade of the suction port is sucked in, and is lifted up along the inner surface of the casing by centrifugal force, and is discharged from the discharge port of the casing to the outside.

該種排水泵浦，係被揭示於，例如，與本申請人有關之專利文獻1、專利文獻2。Such a drainage pump is disclosed, for example, in Patent Document 1 and Patent Document 2 relating to the present applicant.

[專利文獻1]日本特開2000-213770號公報[Patent Document 1] Japanese Laid-Open Patent Publication No. 2000-213770

[專利文獻2]日本特開2004-138075號公報[Patent Document 2] Japanese Patent Laid-Open Publication No. 2004-138075

本申請案之發明者，係進行過各種的實驗後，而確認吸入口之葉片之形狀與噪音的產生有關。The inventors of the present application have conducted various experiments and confirmed that the shape of the blade of the suction port is related to the generation of noise.

本發明係根據實驗結果，而提供減低運轉噪音之排水泵浦。The present invention provides a drainage pump that reduces running noise based on experimental results.

本發明之排水泵浦，以作為基本地手段來說，係具備：馬達、被連結於該馬達之輸出軸的旋轉葉片、及具有容納該旋轉葉片的泵浦室之泵浦殼體；前述泵浦殼體，係具有被設置於前述泵浦室下端部之吸入口及被設置於前述泵浦室之側部之吐出口；前述旋轉葉片，係具有被連結於前述馬達之輸出軸的軸部、從該軸部往放射方向延伸之板狀的大直徑葉片、夾介連結部與該大直徑葉片而連結並且插入前述吸入口的小直徑葉片、連結前述大直徑葉片外周部的環狀構件、及連結於該環狀構件下端部的中空碟構件。The drain pump of the present invention includes, as a basic means, a motor, a rotary vane coupled to an output shaft of the motor, and a pump housing having a pump chamber accommodating the rotary vane; The pump housing has a suction port provided at a lower end portion of the pump chamber and a discharge port provided at a side portion of the pump chamber; and the rotary vane has a shaft portion coupled to an output shaft of the motor a large-diameter blade extending in a radial direction from the shaft portion, a small-diameter blade that is coupled to the large-diameter blade and inserted into the suction port, and an annular member that connects the outer peripheral portion of the large-diameter blade, And a hollow disc member coupled to the lower end portion of the annular member.

另外，前述小直徑葉片，係具有柱狀的軸部、從該軸部往放射方向突出之複數個葉片部，前述小直徑葉片底部形成為與前述軸部之軸線正交，並且位在相對於前述吸入口之端面上方僅離一預定之尺寸，又，前述小直徑葉片底部對前述吸入口之端面的投影面積係被設定為相對於前述吸入口之內徑面積的60%至70%的範圍。Further, the small-diameter blade has a columnar shaft portion and a plurality of blade portions projecting from the shaft portion in a radial direction, and the small-diameter blade bottom portion is formed to be orthogonal to an axis of the shaft portion, and is positioned to be opposite to The end surface of the suction port is separated from a predetermined size, and the projected area of the bottom of the small-diameter blade to the end surface of the suction port is set to be in a range of 60% to 70% with respect to the inner diameter area of the suction port. .

本發明係藉由具備以上之構成，抑制吸入量而可減低噪音。According to the present invention, by providing the above configuration, the amount of intake can be suppressed and noise can be reduced.

第1圖係本發明之排水泵浦的說明圖。Fig. 1 is an explanatory view of a drainage pump of the present invention.

以符號1標示整體之排水泵浦，係具有電動馬達10；電動馬達10係經由導線11而被供電。電動馬達10係被安裝於支撐柱20，而該支撐柱20係直立裝設於被安裝在泵浦殼體50(泵浦本體)之上部的蓋構件30。The entire drainage pump is indicated by the symbol 1 and has an electric motor 10; the electric motor 10 is powered via the wire 11. The electric motor 10 is attached to the support column 20, and the support post 20 is erected to the cover member 30 mounted on the upper portion of the pump housing 50 (pump body).

泵浦殼體50係以塑膠材料所製成，且於內部形成泵浦室52。於泵浦殼體50，連通於泵浦室52之吸入口60與吐出口70為一體地形成。The pump housing 50 is made of a plastic material and forms a pumping chamber 52 therein. In the pump housing 50, the suction port 60 that communicates with the pumping chamber 52 is integrally formed with the discharge port 70.

於泵浦室52內，係配設有旋轉葉片100，泵浦室52之開口部係以蓋構件30來覆蓋。將密封構件40插入泵浦殼體50與蓋構件30之間，以防止來自泵浦室之排洩水的漏水。A rotary vane 100 is disposed in the pump chamber 52, and an opening portion of the pump chamber 52 is covered by a cover member 30. The sealing member 40 is inserted between the pump housing 50 and the cover member 30 to prevent water leakage from the drain water of the pump chamber.

旋轉葉片100係具有軸部110，將電動馬達10之輸出軸12插入於軸部110的穴中。從軸部110往放射方向延伸之板狀之大直徑葉片120的外周側係接續於圓筒狀之環狀構件150。The rotary vane 100 has a shaft portion 110 into which an output shaft 12 of the electric motor 10 is inserted. The outer peripheral side of the plate-shaped large-diameter blade 120 extending from the shaft portion 110 in the radial direction is connected to the cylindrical annular member 150.

大直徑葉片120之下緣部係接續於碟構件160。在碟構件160之中心側係具有開口部170，吸入口之排洩水係經由小直徑葉片140、及連結部130而送至大直徑葉片120側。The lower edge portion of the large diameter blade 120 is continuous to the disk member 160. An opening portion 170 is formed on the center side of the disk member 160, and the drain water of the suction port is sent to the large-diameter blade 120 side via the small-diameter blade 140 and the coupling portion 130.

針對本發明之排水泵浦1，相對於泵浦殼體50之底面54之水平面的角度α1 係被設定為大約15度。With respect to the drain pump 1 of the present invention, the angle α 1 with respect to the horizontal plane of the bottom surface 54 of the pump housing 50 is set to be about 15 degrees.

又，相對於旋轉葉片100之碟構件160之水平面的角度β1 係被設定為大約15度。Further, the angle β 1 with respect to the horizontal plane of the disk member 160 of the rotary blade 100 is set to be about 15 degrees.

第2圖所示為小直徑葉片140之詳細地形狀。Fig. 2 shows the detailed shape of the small diameter blade 140.

小直徑葉片140，係具有圓柱狀的軸部141、從軸部141往放射方向突出之4片板狀的葉片部142、及與軸部之軸線正交之葉片部的底部144。葉片部142與底部144之間係以倒角部143接續。並且，吸入口60之端面61與小直徑葉片140之底部144之間，係被設定有一高度尺寸H1 。The small-diameter blade 140 has a cylindrical shaft portion 141, four blade-shaped blade portions 142 that protrude from the shaft portion 141 in the radial direction, and a bottom portion 144 of the blade portion that is orthogonal to the axis of the shaft portion. The blade portion 142 and the bottom portion 144 are connected by a chamfered portion 143. Further, between the end surface 61 of the suction port 60 and the bottom portion 144 of the small-diameter blade 140, a height dimension H 1 is set.

本發明之排水泵浦，係藉由該小直徑葉片之形狀以及被設置於小直徑葉片與吸入口之間之尺寸H1 的存在，而抑制吸入量，且防止噪音的產生。The drain pump of the present invention suppresses the amount of suction and prevents the generation of noise by the shape of the small-diameter blade and the presence of the dimension H 1 provided between the small-diameter blade and the suction port.

第3圖之(a)、(b)、(c)為小直徑葉片之各種的變形例。(a), (b), and (c) of Fig. 3 show various modifications of the small-diameter blade.

第3圖之(a)所示之小直徑葉片140a，係具有圓柱狀之軸部141a、及往放射方向突出之4片板狀的葉片部142a。並且，葉片部142a及底部144a係以倒角部143a接續。The small-diameter blade 140a shown in Fig. 3(a) has a cylindrical shaft portion 141a and four blade-shaped blade portions 142a that protrude in the radial direction. Further, the blade portion 142a and the bottom portion 144a are connected by a chamfered portion 143a.

針對該小直徑葉片140a，軸部141a之底部145a，係被設定在較葉片部142a之底部144a還更高的位置。With respect to the small-diameter blade 140a, the bottom portion 145a of the shaft portion 141a is set to be higher than the bottom portion 144a of the blade portion 142a.

葉片部142a之底部144a與吸入口之間的高度尺寸H1 ，係被設定為與前實施例相同。The height dimension H 1 between the bottom portion 144a of the blade portion 142a and the suction port is set to be the same as in the previous embodiment.

藉由被設置於該小直徑葉片與吸入口之間之尺寸H1 的存在以及小直徑葉片之形狀而防止噪音的產生。The generation of noise is prevented by the presence of the dimension H 1 disposed between the small diameter blade and the suction port and the shape of the small diameter blade.

第3圖之(b)所示之小直徑葉片140b，係具有圓柱狀之軸部141b、及往放射方向突出之4片板狀的葉片部142b。並且，葉片部142b及底部144b係以倒角部143b接續。The small-diameter blade 140b shown in Fig. 3(b) has a cylindrical shaft portion 141b and four blade-shaped blade portions 142b that protrude in the radial direction. Further, the blade portion 142b and the bottom portion 144b are connected by the chamfered portion 143b.

針對該小直徑葉片140b，軸部141b之底部145b，係被設定在較葉片部142b之底部144b還更高的位置。With respect to the small-diameter blade 140b, the bottom portion 145b of the shaft portion 141b is set to a position higher than the bottom portion 144b of the blade portion 142b.

葉片部142b之底部144b與吸入口之間的高度尺寸H1 ，係被設定為與前實施例相同。The height dimension H 1 between the bottom portion 144b of the blade portion 142b and the suction port is set to be the same as in the previous embodiment.

藉由被設置於該小直徑葉片與吸入口之間之尺寸H1 的存在以及小直徑葉片之形狀而防止噪音的產生。The generation of noise is prevented by the presence of the dimension H 1 disposed between the small diameter blade and the suction port and the shape of the small diameter blade.

第3圖之(c)所示之小直徑葉片140c，係具有圓柱狀之軸部141c、及往放射方向突出之4片板狀的葉片部142c。並且，葉片部142c及底部144c係以倒角部143c接續。The small-diameter blade 140c shown in FIG. 3(c) has a cylindrical shaft portion 141c and four blade-shaped blade portions 142c that protrude in the radial direction. Further, the blade portion 142c and the bottom portion 144c are connected by a chamfered portion 143c.

針對該小直徑葉片140c，軸部141c之底部145c，係被設定在較葉片部142c之底部144c還更高的位置。With respect to the small-diameter blade 140c, the bottom portion 145c of the shaft portion 141c is set to be higher than the bottom portion 144c of the blade portion 142c.

葉片部142c之底部144c與吸入口之間的高度尺寸H1 ，係被設定為與前實施例相同。The height dimension H 1 between the bottom portion 144c of the blade portion 142c and the suction port is set to be the same as in the previous embodiment.

藉由被設置於該小直徑葉片與吸入口之間之尺寸H1 的存在以及小直徑葉片之形狀而防止噪音的產生。The generation of noise is prevented by the presence of the dimension H 1 disposed between the small diameter blade and the suction port and the shape of the small diameter blade.

第4、5圖係本發明之小直徑葉片之投影面積相對於吸入口之內徑面積之關係的說明圖。4 and 5 are explanatory views showing the relationship between the projected area of the small-diameter blade of the present invention with respect to the inner diameter area of the suction port.

第4圖，係插入有第3圖之(a)所示之小直徑葉片140a之吸入口60的下視圖。Fig. 4 is a bottom view of the suction port 60 into which the small-diameter blade 140a shown in Fig. 3(a) is inserted.

將吸入口60之內徑面積設為S1 ，而將小直徑葉片140a之投影面積設為S2 時，S2 係被設定為S1 之60%至70%。When the inner diameter area of the suction port 60 is S 1 and the projected area of the small diameter blade 140a is S 2 , the S 2 system is set to 60% to 70% of S 1 .

藉由採用該面積比例，而可謀求藉由小直徑葉片來抑制吸入量，且減低噪音。By adopting the area ratio, it is possible to suppress the amount of suction by the small-diameter blade and to reduce noise.

第5圖，係插入有第3圖之(b)所示之小直徑葉片140b之吸入口60的下視圖。Fig. 5 is a bottom view of the suction port 60 into which the small-diameter blade 140b shown in Fig. 3(b) is inserted.

將吸入口60之內徑面積設為S1 ，而將小直徑葉片140b之投影面積設為S2 時，S2 係被設定為S1 之60%至70%。When the inner diameter area of the suction port 60 is S 1 and the projected area of the small diameter blade 140b is S 2 , the S 2 system is set to 60% to 70% of S 1 .

藉由採用該面積比例，而可謀求藉由小直徑葉片來抑制吸入量，且減低噪音。By adopting the area ratio, it is possible to suppress the amount of suction by the small-diameter blade and to reduce noise.

再者，針對前述之實施例，雖是以α1 、β1 設定為大致15度之排水泵浦的例子來說明，但是關於角度α1 、β1 ，亦可實施例如設定為大致5度之排水泵浦。Furthermore, the foregoing is directed to embodiments, although is α 1, β 1 is set as an example of the drain pump substantially 15 degrees to illustrate, but on the angle α 1, β 1, example embodiment may set to be substantially 5 degrees Drainage pump.

又，即使角度α1 、β1 個別適用於不同之排水泵浦，亦可得到同樣的減低噪音效果。Moreover, even if the angles α 1 and β 1 are individually applied to different drainage pumps, the same noise reduction effect can be obtained.

1．．．排水泵浦1. . . Drainage pump

10．．．電動馬達10. . . electric motor

11．．．導線11. . . wire

12．．．輸出軸12. . . Output shaft

20．．．支撐柱20. . . Support column

30．．．蓋構件30. . . Cover member

40．．．密封構件40. . . Sealing member

50．．．泵浦殼體(泵浦本體)50. . . Pump housing (pump body)

52．．．泵浦室52. . . Pump room

54．．．底面54. . . Bottom

60．．．吸入口60. . . suction point

61．．．端面61. . . End face

70．．．吐出口70. . . Spit

100．．．旋轉葉片100. . . Rotating blade

110．．．軸部110. . . Shaft

120．．．大直徑葉片120. . . Large diameter blade

130．．．連結部130. . . Linkage

140．．．小直徑葉片140. . . Small diameter blade

140a~140c．．．小直徑葉片140a~140c. . . Small diameter blade

141．．．圓柱狀之軸部141. . . Cylindrical shaft

141a~141c．．．圓柱狀之軸部141a~141c. . . Cylindrical shaft

142．．．葉片部142. . . Blade section

142a~142c．．．葉片部142a~142c. . . Blade section

143．．．倒角部143. . . Chamfer

143a~143c．．．倒角部143a~143c. . . Chamfer

144．．．底部144. . . bottom

144a~144c．．．葉片部之底部144a~144c. . . Bottom of the blade

145a~145c．．．軸部之底部145a~145c. . . Bottom of the shaft

150．．．環狀構件150. . . Ring member

160．．．碟構件160. . . Disc member

170．．．開口部170. . . Opening

α1 ．．．角度α 1 . . . angle

β1 ．．．角度β 1 . . . angle

H1 ．．．尺寸H 1 . . . size

第1圖係本發明之排水泵浦的說明圖。Fig. 1 is an explanatory view of a drainage pump of the present invention.

第2圖係小直徑葉片之詳細地形狀的說明圖。Fig. 2 is an explanatory view showing the detailed shape of the small-diameter blade.

第3圖係小直徑葉片之各種之變形例的說明圖。Fig. 3 is an explanatory view showing various modifications of the small-diameter blade.

第4圖係小直徑葉片與吸入口之面積之關係的說明圖。Fig. 4 is an explanatory view showing the relationship between the small-diameter blade and the area of the suction port.

第5圖係小直徑葉片與吸入口之面積之關係的說明圖。Fig. 5 is an explanatory view showing the relationship between the small-diameter blade and the area of the suction port.

1．．．排水泵浦1. . . Drainage pump

10．．．電動馬達10. . . electric motor

11．．．導線11. . . wire

12．．．輸出軸12. . . Output shaft

20．．．支撐柱20. . . Support column

30．．．蓋構件30. . . Cover member

40．．．密封構件40. . . Sealing member

50．．．泵浦殼體50. . . Pump housing

52．．．泵浦室52. . . Pump room

54．．．底面54. . . Bottom

60．．．吸入口60. . . suction point

61．．．端面61. . . End face

70．．．吐出口70. . . Spit

100．．．旋轉葉片100. . . Rotating blade

110．．．軸部110. . . Shaft

120．．．大直徑葉片120. . . Large diameter blade

130．．．連結部130. . . Linkage

140．．．小直徑葉片140. . . Small diameter blade

144．．．底部144. . . bottom

150．．．環狀構件150. . . Ring member

160．．．碟構件160. . . Disc member

170．．．開口部170. . . Opening

α1 ．．．角度α 1 . . . angle

β1 ．．．角度β 1 . . . angle

H1 ．．．尺寸H 1 . . . size

Claims (1)

一種排水泵浦，係針對具備：馬達、被連結於該馬達之輸出軸之旋轉葉片、及具有容納該旋轉葉片的泵浦室之泵浦殼體；前述泵浦殼體，係具有被設置於前述泵浦室下端部之吸入口及被設置於前述泵浦室之側部之吐出口的排水泵浦，其特徵為：前述旋轉葉片，係具有：被連結於前述馬達之輸出軸的軸部、從該軸部往放射方向延伸之板狀的大直徑葉片、夾介連結部與該大直徑葉片而連結並且插入前述吸入口的小直徑葉片、連結前述大直徑葉片外周部的環狀構件、及連結於該環狀構件下端部的中空碟構件；前述小直徑葉片，係具有：柱狀的軸部、從該軸部往放射方向突出之複數個葉片部，前述小直徑葉片底部形成為與前述軸部之軸線正交，並且位在相對於前述吸入口之端面上方僅離一預定之尺寸，又，前述小直徑葉片底部對前述吸入口之端面的投影面積係被設定為相對於前述吸入口之內徑面積的60%至70%的範圍。A drain pump is provided with a motor, a rotating blade coupled to an output shaft of the motor, and a pump housing having a pump chamber accommodating the rotating blade; the pump housing has a pump housing a drain pump of a lower end portion of the pump chamber and a drain pump provided at a discharge port of a side portion of the pump chamber, wherein the rotary vane has a shaft portion coupled to an output shaft of the motor a large-diameter blade extending in a radial direction from the shaft portion, a small-diameter blade that is coupled to the large-diameter blade and inserted into the suction port, and an annular member that connects the outer peripheral portion of the large-diameter blade, And a hollow disk member coupled to the lower end portion of the annular member; the small-diameter blade having a columnar shaft portion and a plurality of blade portions projecting from the shaft portion in a radial direction, wherein the small-diameter blade bottom portion is formed to The axis of the shaft portion is orthogonal to each other and is located at a predetermined size above the end surface of the suction port, and the projection surface of the bottom surface of the small diameter blade to the end surface of the suction port Line is set to a range of the inner diameter of the suction port area of 60% to 70% relative.
TW095138587A 2005-10-21 2006-10-19 Drainage pump TWI405907B (en)

Applications Claiming Priority (1)

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TWI405907B true TWI405907B (en) 2013-08-21

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Publication number Priority date Publication date Assignee Title
KR101133605B1 (en) * 2009-09-25 2012-04-10 엘지전자 주식회사 Drain pump for air conditioner
JP5889051B2 (en) * 2011-08-30 2016-03-22 株式会社不二工機 Drainage pump
KR101601350B1 (en) * 2011-08-30 2016-03-08 가부시기가이샤 후지고오키 Drain pump
JP6101474B2 (en) * 2012-11-26 2017-03-22 株式会社不二工機 Drainage pump motor and drainage pump using the same
CN103899541B (en) * 2012-12-28 2016-03-02 常州雷利电机科技有限公司 draining pump
CN108266402A (en) * 2017-01-03 2018-07-10 东莞市东坑合利美电子电器有限公司 Water impeller
JP6329652B1 (en) * 2017-01-25 2018-05-23 合利美股▲分▼有限公司 Drainage impeller

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JPH0979171A (en) * 1995-09-14 1997-03-25 Fuji Koki:Kk Drainage pump
TW200634237A (en) * 2005-03-24 2006-10-01 K H Brinkmann Gmbh & Co Kg Pump with cutting impeller and pre-chopper

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JP3580329B2 (en) * 1995-08-29 2004-10-20 株式会社不二工機 Drainage pump

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JPH0979171A (en) * 1995-09-14 1997-03-25 Fuji Koki:Kk Drainage pump
TW200634237A (en) * 2005-03-24 2006-10-01 K H Brinkmann Gmbh & Co Kg Pump with cutting impeller and pre-chopper

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TW200730729A (en) 2007-08-16
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JP4863686B2 (en) 2012-01-25
CN1952404A (en) 2007-04-25
CN1952404B (en) 2012-03-21

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