JP2001073983A - Pump - Google Patents
PumpInfo
- Publication number
- JP2001073983A JP2001073983A JP25137499A JP25137499A JP2001073983A JP 2001073983 A JP2001073983 A JP 2001073983A JP 25137499 A JP25137499 A JP 25137499A JP 25137499 A JP25137499 A JP 25137499A JP 2001073983 A JP2001073983 A JP 2001073983A
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- casing
- impeller
- housing
- thrust washer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】ポンプの通水路内に羽根車が
配設されたポンプに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pump having an impeller disposed in a water passage of the pump.
【0002】[0002]
【従来の技術】お風呂のお湯、あるいは床暖房に使用さ
れるお湯の循環に用いられる従来の自吸式ポンプを例に
図3および図4を用いて説明する。図3は、従来におけ
る自吸式ポンプの側断面図である。図4は、図3の自吸
式ポンプのスピンドル部の拡大側断面図である。2. Description of the Related Art A conventional self-priming pump used for circulating hot water for bath or floor heating will be described with reference to FIGS. 3 and 4. FIG. FIG. 3 is a side sectional view of a conventional self-priming pump. FIG. 4 is an enlarged side sectional view of a spindle portion of the self-priming pump of FIG.
【0003】図3および図4において、自吸式ポンプ2
1は、モータ22と、このモータ22が取り付けられ、
水の通り道である通水路23を内部に備えたケーシング
24と、モータ22の軸端に取り付けられたモータ側マ
グネットカップリング25と、ケーシング24の通水路
23内に収納され、モータ側マグネットカップリング2
5と対向して設けられたケーシング側マグネットカップ
リング26を備えた羽根車27とで構成されている。In FIGS. 3 and 4, a self-priming pump 2 is shown.
1 is a motor 22 and this motor 22 is attached,
A casing 24 internally provided with a water passage 23 as a water passage; a motor-side magnet coupling 25 attached to a shaft end of the motor 22; and a motor-side magnet coupling housed in the water passage 23 of the casing 24. 2
5 and an impeller 27 provided with a casing-side magnet coupling 26 provided to face.
【0004】また、羽根車27の中心部には、すべり軸
受28が固着されており、この羽根車27およびすべり
軸受28を回転自在にすために、すべり軸受28の内径
部にスピンドル29が軸着されている。このスピンドル
29は、ケーシング24に形成されたハウジング30に
収納されている。また、スピンドル29の両端部は、D
カット29aが形成され、このDカット29a部には、
すべり軸受の回転を円滑にするためにスラストワッシャ
31が設けられている。[0004] A slide bearing 28 is fixed to the center of the impeller 27. To make the impeller 27 and the slide bearing 28 rotatable, a spindle 29 is attached to the inner diameter of the slide bearing 28. Is being worn. The spindle 29 is housed in a housing 30 formed in the casing 24. Also, both ends of the spindle 29 are D
A cut 29a is formed, and the D cut 29a portion includes
A thrust washer 31 is provided for smooth rotation of the slide bearing.
【0005】[0005]
【発明が解決しようとする課題】以上のような自吸式ポ
ンプにおいて、スピンドルが収納されているハウジング
は、樹脂成形されているため、公差の関係により、スピ
ンドルの端面とハウジングとの間に隙間が生じることに
なり、スピンドルはスラスト方向に移動できるようにな
っている。In the above-described self-priming pump, since the housing in which the spindle is housed is formed of resin, there is a gap between the end face of the spindle and the housing due to tolerance. And the spindle can move in the thrust direction.
【0006】そのため、羽根車が回転すると、スピンド
ルがスラスト方向に揺動して、スピンドルの端面がハウ
ジングに当たり、あるいはスピンドルとスラストワッシ
ャがすれて、騒音を発生させていた。Therefore, when the impeller rotates, the spindle swings in the thrust direction, and the end face of the spindle hits the housing, or the spindle and the thrust washer are slipped, thereby generating noise.
【0007】[0007]
【課題を解決するための手段】そこで、本発明によれ
ば、羽根車を回転自在にし、この羽根車を支持するスピ
ンドルを備え、このスピンドルのスラスト方向に予圧力
を与えることによって、スピンドルのスラスト方向の移
動を防止したことを特徴とするポンプを提供する。SUMMARY OF THE INVENTION Therefore, according to the present invention, there is provided a spindle which is rotatable and has a spindle for supporting the impeller. Provided is a pump characterized by preventing movement in a direction.
【0008】[0008]
【作用】スピンドルの一方の端面とケーシングのハウジ
ングとの間に、予圧力を与えるためのOリング等のゴム
または樹脂、あるいはスプリングを配設することによ
り、スピンドルとケーシングとの間のガタがなくなり、
騒音を防止することができる。By providing a rubber or resin such as an O-ring or a spring for applying a preload between one end face of the spindle and the housing of the casing, the play between the spindle and the casing is eliminated. ,
Noise can be prevented.
【0009】[0009]
【発明の実施の形態】本発明によるポンプの実施例を自
吸式ポンプを例にして、図1および図2を用いて説明す
る。図1は、本発明における自吸式ポンプの側断面図で
ある。図2は、図1の自吸式ポンプの拡大側断面図であ
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pump according to the present invention will be described with reference to FIGS. 1 and 2, taking a self-priming pump as an example. FIG. 1 is a side sectional view of a self-priming pump according to the present invention. FIG. 2 is an enlarged side sectional view of the self-priming pump of FIG.
【0010】図1および図2において、自吸式ポンプ1
は、従来の自吸式ポンプと同様に、モータ2と、このモ
ータ2が取り付けられたケーシング3と、モータ側マグ
ネットカップリング4と、ケーシング側マグネットカッ
プリング5を備えた羽根車6とで構成されている。1 and 2, a self-priming pump 1
Comprises a motor 2, a casing 3 to which the motor 2 is attached, a motor-side magnet coupling 4, and an impeller 6 having a casing-side magnet coupling 5, similarly to a conventional self-priming pump. Have been.
【0011】また、すべり軸受7を備えた羽根車6は、
スピンドル8によって回転自在に支持されている。スピ
ンドル8は、ケーシング3に形成されているハウジング
9に収納されており、また、スピンドル8Dカット部に
は、すべり軸受7の回転を円滑にするためにスラストワ
ッシャ10が設けられている。Further, the impeller 6 provided with the slide bearing 7 is:
It is rotatably supported by a spindle 8. The spindle 8 is housed in a housing 9 formed in the casing 3, and a thrust washer 10 is provided in a spindle 8D cut portion in order to smoothly rotate the slide bearing 7.
【0012】さらに、スピンドル8がスラスト方向へ移
動しないように、スピンドル8の一方の端面とケーシン
グ3のハウジング9との間に、予圧力を与えるためのO
リング11等のゴムまたは樹脂成型品、あるいはスプリ
ング等が配設されている。Further, an O for applying a preload is provided between one end surface of the spindle 8 and the housing 9 of the casing 3 so that the spindle 8 does not move in the thrust direction.
A rubber or resin molded product such as the ring 11 or a spring is provided.
【0013】このように、予圧力を与えることによっ
て、スピンドル8とケーシング3との間のガタがなくな
り、また、スピンドル8とスラストワッシャ10との間
のガタもなくなって、この箇所から発生する騒音を防止
することができる。As described above, by applying the preload, the play between the spindle 8 and the casing 3 is eliminated, and the play between the spindle 8 and the thrust washer 10 is also eliminated. Can be prevented.
【0014】[0014]
【発明の効果】本発明によれば、スピンドル、およびス
ラストワッシャが固定されるため、スピンドル、および
スラストワッシャのガタつきによる騒音を防止すること
ができる。According to the present invention, since the spindle and the thrust washer are fixed, noise caused by rattling of the spindle and the thrust washer can be prevented.
【0015】[0015]
【図1】本発明における自吸式ポンプの側断面図。FIG. 1 is a side sectional view of a self-priming pump according to the present invention.
【図2】図1の自吸式ポンプの拡大側断面図。FIG. 2 is an enlarged side sectional view of the self-priming pump of FIG. 1;
【図3】従来における自吸式ポンプの側断面図。FIG. 3 is a side sectional view of a conventional self-priming pump.
【図4】図3の自吸式ポンプのスピンドル部の拡大側断
面図。FIG. 4 is an enlarged side sectional view of a spindle part of the self-priming pump of FIG. 3;
1、21…自吸式ポンプ 2、22…モータ 3、24…ケーシング 4、25…モータ側マグネットカップリング 5、26…ケーシング側マグネットカップリング 6、27…羽根車 7、28…すべり軸受 8、29…スピンドル 9、30…ハウジング 10、31…スラストワッシャ 11…Oリング 23…通水路 1, 21 self-priming pump 2, 22 motor 3, 24 ... casing 4, 25 ... motor-side magnetic coupling 5, 26 ... casing-side magnetic coupling 6, 27 ... impeller 7, 28 ... sliding bearing 8, 29: Spindle 9, 30: Housing 10, 31: Thrust washer 11: O-ring 23: Water passage
Claims (1)
ンプにおいて、 羽根車を回転自在にし、この羽根車を支持するスピンド
ルを備え、 このスピンドルのスラスト方向に予圧力を与えることに
よって、スピンドルのスラスト方向の移動を防止したこ
とを特徴とするポンプ。1. A pump in which an impeller is disposed in a water passage of the pump, the impeller being rotatable, a spindle supporting the impeller being provided, and a preload applied in a thrust direction of the spindle. A pump in which movement of a spindle in a thrust direction is prevented.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25137499A JP4542645B2 (en) | 1999-09-06 | 1999-09-06 | pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25137499A JP4542645B2 (en) | 1999-09-06 | 1999-09-06 | pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001073983A true JP2001073983A (en) | 2001-03-21 |
JP4542645B2 JP4542645B2 (en) | 2010-09-15 |
Family
ID=17221893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25137499A Expired - Fee Related JP4542645B2 (en) | 1999-09-06 | 1999-09-06 | pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4542645B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0547484U (en) * | 1991-11-15 | 1993-06-25 | 三菱重工業株式会社 | Small and lightweight canned pump |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3360393B2 (en) * | 1994-01-24 | 2002-12-24 | 松下電器産業株式会社 | Disk type magnet pump |
-
1999
- 1999-09-06 JP JP25137499A patent/JP4542645B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0547484U (en) * | 1991-11-15 | 1993-06-25 | 三菱重工業株式会社 | Small and lightweight canned pump |
Also Published As
Publication number | Publication date |
---|---|
JP4542645B2 (en) | 2010-09-15 |
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