CN100540917C - Draining pump - Google Patents

Draining pump Download PDF

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Publication number
CN100540917C
CN100540917C CNB2006101111488A CN200610111148A CN100540917C CN 100540917 C CN100540917 C CN 100540917C CN B2006101111488 A CNB2006101111488 A CN B2006101111488A CN 200610111148 A CN200610111148 A CN 200610111148A CN 100540917 C CN100540917 C CN 100540917C
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CN
China
Prior art keywords
blade
pump
motor
rotation blade
draining pump
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Active
Application number
CNB2006101111488A
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Chinese (zh)
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CN1936341A (en
Inventor
桦山正
今井正幸
加藤友也
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Fujikoki Corp
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Fujikoki Corp
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Publication date
Application filed by Fujikoki Corp filed Critical Fujikoki Corp
Publication of CN1936341A publication Critical patent/CN1936341A/en
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Publication of CN100540917C publication Critical patent/CN100540917C/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/24Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/14Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid

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

Abstract

Draining pump of the present invention, it has motor (10), the rotation blade (100a) that is connected with the output shaft of motor, the pump case (50a) of accommodating rotation blade.The ring-shaped member (150) of the peripheral part of the tabular major diameter blade (120) that rotation blade (100a) has the axial region (110) that is connected with the output shaft of motor, extend in the radiation direction from axial region, the tabular small diameter blades (140) that is connected with the major diameter blade by joint, connection major diameter blade, the hollow disk shaped part (160a) that is connected with the underpart of ring-shaped member.And the disk shaped part of described rotation blade (160a) is accommodated the bottom surface corresponding with disk shaped part of the described pump case of rotation blade and is spent horizontal by about 5 horizontal by about 15 degree.Adopt the present invention can realize reducing the noise that is installed in the draining pump on the aircondition.

Description

Draining pump
Technical field
The present invention relates to draining pump, particularly be installed in the draining pump in the air conditioner.
Background technique
The indoor set of air conditioner when cooling operation airborne condensate moisture and attached to heat exchanger on, and splash in the drainage tray (De レ Application パ Application) of the below that is located at heat exchanger.For the discharge water that will stockpile in this drainage tray is discharged and the employing draining pump.This draining pump is located at blade rotation in the housing as the pump body freely, and this housing is formed with suction port in the bottom, and upper opening is located at side direction with exhaust port simultaneously, utilizes the motor on top that is fixed on the opening of housing by lid to make this blade rotation.The rotation of the live axle of this motor is passed the through hole that covers freely and is connected with the axial region of blade, drive motor, blade is rotation just, the water that stores in drainage tray is inhaled into from the lower end of the blade of suction port, because centrifugal force, inner face along housing is pumped up water, and is discharged to the outside from the exhaust port of housing (ケ one シ Application グ).
Fig. 3 is the explanatory drawing of existing draining pump.
Have motor 10 with the whole draining pump of symbol 1 expression, motor 10 is by lead 11 power supplies.Motor 10 is installed on the bearing post 20, and this bearing post 20 is erected on the cover 30 that is installed in pump case 50 (pump body) top.
Pump case 50 is made of plastics, and forms pump chamber 52 in inside.On pump case 50, form the suction port 60 and the exhaust port 70 that are communicated with pump chamber 52.
Be equipped with rotation blade 100 in pump chamber 52, the opening portion of pump chamber 52 is covered with cover 30.Between pump case 50 and cover 30, be inserted with the leakage that sealed member 40 prevents the discharge water of pump chamber.
Rotation blade 100 has axial region 110, inserts the output shaft 12 of motor 10 in the hole of axial region 110.Be connected with ring-shaped member 150 cylindraceous from the outer circumferential side of axial region 110 at the tabular major diameter blade 120 of radiation direction extension.
Major diameter blade 120 is connected with small diameter blades 140 by cone shape joint 130.The lower edge of major diameter blade 120 is connected with plate-like (デ ィ ス Network) parts 160.Central side at disk shaped part 160 has opening portion 170, is sent to major diameter blade 120 sides from the discharge water of suction port via small diameter blades 140, joint 130.
This draining pump is such as being disclosed by the inventor's patent documentation 1, patent documentation 2.
Patent documentation 1 TOHKEMY 2000-213770 communique
Patent documentation 2 TOHKEMY 2004-138075 communiques
Summary of the invention
In described draining pump 1, the bottom surface 54 of pump case 50 is set at about 15 degree with the angle [alpha] 1 of horizontal plane.
Similarly the disk shaped part 160 of rotation blade 100 and the angle beta 1 of horizontal plane are set at about 15 degree.
The application's inventor has carried out all experiments, obtains angle [alpha] 1 and the angle beta 1 of rotation blade and the opinion of the relation between the generation noise of this pump case.
The present invention is based on this opinion, the draining pump that can reduce operating sound is provided.
As basic means, draining pump of the present invention has motor, rotation blade that is connected with the output shaft of motor and the pump case of accommodating rotation blade, pump case has the suction port of the small diameter blades of inserting rotation blade and is located at the exhaust port of pump chamber sidepiece, rotation blade has the axial region that is connected with the output shaft of motor, from the tabular major diameter blade of axial region in the extension of radiation direction, the tabular described small diameter blades that is connected with the major diameter blade by joint, the ring-shaped member that connects the peripheral part of major diameter blade, and the hollow disk shaped part that is connected with the underpart of ring-shaped member, the disk shaped part of described rotation blade is horizontal by the β angle, the bottom surface corresponding with disk shaped part of described pump case of accommodating rotation blade is horizontal by the α angle, and α is different angles with β.
The present invention is by having above structure, scrapes underwater sound sound in the time of can reducing the draining pump running.
Description of drawings
Fig. 1 is the explanatory drawing of the 1st embodiment's of the present invention draining pump.
Fig. 2 is the explanatory drawing of the 2nd embodiment's of the present invention draining pump.
Fig. 3 is the explanatory drawing of existing draining pump.
Embodiment
What Fig. 1 represented is the explanatory drawing of the 1st embodiment's of the present invention draining pump.
Represent that with symbol 1A whole draining pump has motor 10, motor 10 is by lead 11 power supplies.Motor 10 is installed on the bearing post 20, and this bearing post 20 is erected on the cover 30 that is installed in pump case 50a top.
Pump case 50a is made of plastics, and forms pump chamber 52a in inside.On pump case 50a, form the suction port 60 and the exhaust port 70 that are communicated with pump chamber 52a.
Be equipped with rotation blade 100a in pump chamber 52a, the opening portion of pump chamber 52a is covered with cover 30.Between pump case 50a and cover 30, be inserted with the leakage that sealed member 40 prevents the discharge water of pump chamber.
Rotation blade 100a has axial region 110, inserts the output shaft 12 of motor 10 in the hole of axial region 110.Be connected with ring-shaped member 150 cylindraceous from the outer circumferential side of axial region 110 at the tabular major diameter blade 120 of radiation direction extension.
The lower edge of major diameter blade 120 is connected with disk shaped part 160a.Central side at disk shaped part 160a has opening portion 170, is sent to major diameter blade 120 sides from the discharge water of suction port via small diameter blades 140, joint 130.
In draining pump 1A of the present invention, the bottom surface 54a of pump case 50a and the angle [alpha] 2 of horizontal plane are set to about 5 degree.
Again, the angle beta 2 of the disk shaped part 160a of rotation blade 100a and horizontal plane is set to about 15 degree.
Fig. 2 is the explanatory drawing of the 2nd embodiment's of the present invention draining pump.
Represent that with symbol 1B whole draining pump has motor 10, motor 10 is by lead 11 power supplies.Motor 10 is installed on the bearing post 20, and this bearing post 20 is erected on the cover 30 that is installed in pump case 50b top.
Pump case 50b is made of plastics, and forms pump chamber 52b in inside.On pump case 50b, form the suction port 60 and the exhaust port 70 that are communicated with pump chamber 52b.
Be equipped with rotation blade 100b in pump chamber 52b, the opening portion of pump chamber 52b is covered with cover 30.Between pump case 50b and cover 30, be inserted with the leakage that sealed member 40 prevents the discharge water of pump chamber.
Rotation blade 100b has axial region 110, inserts the output shaft 12 of motor 10 in the hole of axial region 110.Be connected with ring-shaped member 150 cylindraceous from the outer circumferential side of axial region 110 at the tabular major diameter blade 120 of radiation direction extension.
The lower edge of major diameter blade 120 is connected with disk shaped part 160b.Central side at disk shaped part 160b has opening portion 170, is sent to major diameter blade 120 sides from the discharge water of suction port via small diameter blades 140, joint 130.
In this draining pump 1B, the bottom surface 54b of pump case 50b and the angle [alpha] 3 of horizontal plane are set to about 15 degree.
Again, the angle beta 3 of the disk shaped part 160b of rotation blade 100b and horizontal plane is set to about 5 degree.
As mentioned above, draining pump of the present invention can reduce operating sound by selecting the angle of α and β, and the draining pump of solemn silence can be provided.
Symbol description
1,1A draining pump
10 motor
50 pump case
100 rotation blades
120 major diameter blades
140 small diameter blades
150 ring-shaped members
160 disk shaped parts

Claims (5)

1. draining pump, the pump case that it has motor, the rotation blade that is connected with the output shaft of motor and accommodates rotation blade, pump case have the suction port of the small diameter blades of inserting rotation blade and are located at the exhaust port of pump chamber sidepiece, it is characterized in that,
The ring-shaped member of the peripheral part of the tabular major diameter blade that described rotation blade has the axial region that is connected with the output shaft of motor, extend in the radiation direction from axial region, the tabular described small diameter blades that is connected with the major diameter blade by joint, connection major diameter blade, reach the hollow disk shaped part that is connected with the underpart of ring-shaped member
The disk shaped part of described rotation blade is horizontal by the β angle, and the bottom surface corresponding with disk shaped part of described pump case of accommodating rotation blade is horizontal by the α angle, and α is different angles with β.
2. draining pump as claimed in claim 1 is characterized in that,
Angle [alpha] is greater than β.
3. draining pump as claimed in claim 2 is characterized in that,
α is about 15 degree, and β is about 5 degree.
4. draining pump as claimed in claim 1 is characterized in that,
Angle [alpha] is less than β.
5. draining pump as claimed in claim 4 is characterized in that,
α is about 5 degree, and β is about 15 degree.
CNB2006101111488A 2005-09-22 2006-08-08 Draining pump Active CN100540917C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005276151A JP2007085269A (en) 2005-09-22 2005-09-22 Drainage pump
JP2005276151 2005-09-22

Publications (2)

Publication Number Publication Date
CN1936341A CN1936341A (en) 2007-03-28
CN100540917C true CN100540917C (en) 2009-09-16

Family

ID=37954006

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101111488A Active CN100540917C (en) 2005-09-22 2006-08-08 Draining pump

Country Status (3)

Country Link
JP (1) JP2007085269A (en)
KR (1) KR20070033871A (en)
CN (1) CN100540917C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929465B (en) * 2009-06-19 2013-12-11 德昌电机(深圳)有限公司 Drainage pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0560466B1 (en) * 1989-03-06 1996-11-13 St. Jude Medical, Inc. Centrifugal blood pump and motor drive
CN1144305A (en) * 1995-08-29 1997-03-05 株式会社不二工机制作所 Drainage pump
JP2004138075A (en) * 2003-12-22 2004-05-13 Fuji Koki Corp Drainage pump
US20040175265A1 (en) * 2003-03-05 2004-09-09 K.H. Brinkmann Gmbh & Co. Kg Rotary pump with vented pump chamber
CN2660187Y (en) * 2003-11-17 2004-12-01 江苏迎浪科技集团有限公司 Low speed ratio centrifugal pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001123977A (en) * 1999-10-27 2001-05-08 Saginomiya Seisakusho Inc Drainage pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0560466B1 (en) * 1989-03-06 1996-11-13 St. Jude Medical, Inc. Centrifugal blood pump and motor drive
CN1144305A (en) * 1995-08-29 1997-03-05 株式会社不二工机制作所 Drainage pump
US20040175265A1 (en) * 2003-03-05 2004-09-09 K.H. Brinkmann Gmbh & Co. Kg Rotary pump with vented pump chamber
CN2660187Y (en) * 2003-11-17 2004-12-01 江苏迎浪科技集团有限公司 Low speed ratio centrifugal pump
JP2004138075A (en) * 2003-12-22 2004-05-13 Fuji Koki Corp Drainage pump

Also Published As

Publication number Publication date
CN1936341A (en) 2007-03-28
JP2007085269A (en) 2007-04-05
KR20070033871A (en) 2007-03-27

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