JPS6033359Y2 - circulation pump - Google Patents
circulation pumpInfo
- Publication number
- JPS6033359Y2 JPS6033359Y2 JP13857980U JP13857980U JPS6033359Y2 JP S6033359 Y2 JPS6033359 Y2 JP S6033359Y2 JP 13857980 U JP13857980 U JP 13857980U JP 13857980 U JP13857980 U JP 13857980U JP S6033359 Y2 JPS6033359 Y2 JP S6033359Y2
- Authority
- JP
- Japan
- Prior art keywords
- supply port
- connecting member
- water
- casing
- circulation pump
- 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.)
- Expired
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は温水の循環等に使用する循環ポンプに関するも
のである。[Detailed description of the invention] (Field of industrial application) The present invention relates to a circulation pump used for circulating hot water, etc.
（従来の技術及びその問題点）
循環ポンプを用いた温水の循環系統に於いては、冬期に
水抜きを忘れると凍結によってポンプ等に破損を生じ、
水漏れを生じる場合がある。(Prior art and its problems) In a hot water circulation system using a circulation pump, if you forget to drain the water in winter, the pump etc. may be damaged due to freezing.
Water may leak.
また凍結防止のために、かかる水抜きを行なった場合に
も、非自吸式のポンプでは次に使用する時に完全なエア
ー抜きをしないと空転を起こしてしまうという不都合が
ある。Furthermore, even when such water is drained to prevent freezing, non-self-priming pumps have the disadvantage of idling unless air is completely vented the next time they are used.
そこで水抜きをせずに凍結を防止し得るポンプが望まれ
ている。Therefore, there is a need for a pump that can prevent freezing without draining water.
従来このようなポンプとして例えば凍結温度以下になら
ないように自動的に保温するものが提案されているが、
これは構成が複雑となって高価となり、また故障もし易
くなるという欠点がある。Conventionally, such pumps have been proposed that automatically keep the temperature below freezing, for example.
This has the disadvantage that the structure is complicated and expensive, and it is also prone to failure.
また実開昭５２−２１００３号公報に示されるようにポ
ンプケーシング内に、体積膨張により変形するベローズ
を配設したものも提案されているが、これはケーシング
内に独立した密閉の気のう部を構成するものであり、気
のう部内空気は水の凍結時に圧縮されるので、この空気
の漏洩を防止するために特別な工夫を必要とし、従って
製作が非常に面倒で高価となるという欠点がある。Furthermore, as shown in Japanese Utility Model Application Publication No. 52-21003, a system in which a bellows that deforms due to volumetric expansion is disposed inside the pump casing has been proposed; Since the air inside the air sac is compressed when the water freezes, special measures are required to prevent this air from leaking, making it extremely troublesome and expensive to manufacture. There is.
（考案の目的）
本考案は以上の従来の問題点を解結することを目的とす
るもので、即ち、水の凍結による体積膨張分を吸収し得
る構成をポンプ自体に設けることにより、水抜きが不要
で、しかも凍結を防止する自動保温装置のように構成が
複雑とならず、しかも製作も容易で、凍結による損傷を
防止し得るようにすることを目的とすると共に、前記体
積膨張分を吸収する構成を極めて合理的な位置に設ける
ことにより配管の接続も容易に行なえるようにすること
を目的とするものである。(Purpose of the invention) The purpose of this invention is to solve the above-mentioned conventional problems. Namely, by providing the pump itself with a structure that can absorb the volumetric expansion due to freezing of water, water can be drained. The purpose of the present invention is to provide a system that does not require the above-mentioned volumetric expansion, does not have a complicated structure unlike an automatic warming device that prevents freezing, is easy to manufacture, and can prevent damage due to freezing. The purpose of this is to provide an absorbing structure in an extremely rational position so that piping can be easily connected.
以下本考案を実施例に基づいて詳述すると次の通りであ
る。The present invention will be described in detail below based on examples.
（問題点を解決するための手段）
符号１はモータ７からの軸８に取り付けた羽根車６を収
容する剛体ケーシングであり、この剛体ケーシング１の
軸方向に径の大きな供給口２を設けると共に半径方向に
吐出口３を設ける。(Means for solving the problem) Reference numeral 1 denotes a rigid casing that houses the impeller 6 attached to the shaft 8 from the motor 7, and a supply port 2 with a large diameter is provided in the axial direction of the rigid casing 1. Discharge ports 3 are provided in the radial direction.
符号Ａはゴム等の弾性体製の接続部材であり、この接続
部材Ａは、前記供給口２よりも小径の接続筒部１５と、
該接続筒部１５の一端に半径方向外側に広がるフランジ
部１５′とを一体に構成したものである。Reference numeral A denotes a connecting member made of an elastic body such as rubber, and this connecting member A includes a connecting cylinder portion 15 having a smaller diameter than the supply port 2;
A flange portion 15' extending outward in the radial direction is integrally formed at one end of the connecting cylinder portion 15.
しかして本考案は該接続部材Ａを前記フランジ部１５′
を以って前記供給口２に取り付けたことを特徴とするも
のである。Therefore, the present invention connects the connecting member A to the flange portion 15'.
It is characterized in that it is attached to the supply port 2 with a.
次に図示の実施例の具体的構成を説明すると、符号４は
ブラケットで、ケーシング−をこのブラケット４にＯリ
ング５を介在させて取り付けており、そしてこのブラケ
ット４には軸８の周囲に対応して凹部９を設け、この凹
部９内に、シール部材１０を押圧環１１及び軸受１２を
介して軸８に嵌まって押え部材１３により、スプリング
１４の弾圧で押圧してシールするシール部を設けている
。Next, to explain the specific structure of the illustrated embodiment, reference numeral 4 denotes a bracket, and the casing is attached to this bracket 4 with an O-ring 5 interposed therebetween. A recess 9 is provided in the recess 9, and a seal member 10 is fitted onto the shaft 8 via a pressing ring 11 and a bearing 12, and is pressed by a pressing member 13 with the elastic force of a spring 14 to seal the seal. It is set up.
また符号１６は前記フランジ部１５′の周囲を押える押
え金具である。Further, reference numeral 16 denotes a presser metal fitting that presses down the periphery of the flange portion 15'.
（作 用）
以上の構成に於いて本考案のポンプは、供給口２と吐出
口３に夫々配管１７．１８を接続して温水等の循環系統
を構成するのであるが、供給口２と配管１７とは、接続
部材Ａの接続筒部１５を介して接続するのである。(Function) In the above configuration, the pump of the present invention connects the piping 17 and 18 to the supply port 2 and the discharge port 3, respectively, to form a circulation system for hot water, etc. 17 is connected via the connecting cylinder portion 15 of the connecting member A.
かかる接続部材Ａはゴム等の弾性体製であるから配管１
７との接続が非常に容易である。Since the connecting member A is made of an elastic material such as rubber, the pipe 1
7 is very easy to connect.
以上の如くして循環系統を構成し、モータ７の駆動でケ
ーシング−内の羽根車６を回転させると、配管１７から
接続筒部１５、供給口２を経てケーシング−内に一導入
された温水等は羽根車６によって吐出口３を経て配管１
８に吐出され、循環＾
に供される。The circulation system is configured as described above, and when the impeller 6 inside the casing is rotated by the drive of the motor 7, hot water is introduced into the casing from the pipe 17 through the connecting cylinder 15 and the supply port 2. etc. are connected to the pipe 1 via the discharge port 3 by the impeller 6.
8 and subjected to circulation.
・しかして冬期に於いた水抜きを行な
わずに、ケーシング−内の水が凍結すると、水の体積が
膨張するが、かかる体積膨張分は接続部材Ａの変形によ
る内容積の増大により吸収することができ、損傷を防止
することができる。-However, if the water inside the casing freezes without draining water in winter, the volume of the water expands, but this volumetric expansion can be absorbed by the increase in internal volume due to the deformation of the connecting member A. can be used to prevent damage.
殊に本考案は前述した通り供給口２の径を大きく構成す
ると共に、接続部材Ａの接続筒部１５の径をこれよりも
小径に構成して、フランジ部１５′の一部をも受圧部と
して変形し得るように構成しているので、前述した内容
積の増大が効率的に行なわれ、前記損傷の防止を確実な
らしめている。In particular, in the present invention, as described above, the diameter of the supply port 2 is configured to be large, and the diameter of the connecting cylinder portion 15 of the connecting member A is configured to be smaller than this, so that a part of the flange portion 15' is also configured as a pressure receiving portion. Since it is constructed so that it can be deformed as described above, the internal volume described above can be increased efficiently, and the damage described above can be reliably prevented.
またかかる接続部材Ａはケーシング１の軸方向の供給口
２側に設けているので、半径方向の吐出口３側と比較し
てその径を容易に大きくすることができる。Further, since the connecting member A is provided on the supply port 2 side in the axial direction of the casing 1, its diameter can be easily made larger than that on the discharge port 3 side in the radial direction.
（考案の効果）
本考案は以上の通り、剛体ケーシングに於いて、径を容
易に大きくすることのできる供給口側に、ゴム等の弾性
体製の接続部材を取り付けて、この接続部材の変形によ
る内容積の増大によって前記ケーシング内水の凍結によ
る体積膨張を吸収するようにしたので、冬期に水抜きを
しなくてもポンプの損傷及びこれによる水洩れを良好に
防止し得るという効果がある。(Effects of the invention) As described above, the present invention attaches a connecting member made of an elastic material such as rubber to the supply port side of a rigid casing whose diameter can be easily increased, and deforms the connecting member. Since the volume expansion due to freezing of the water inside the casing is absorbed by increasing the internal volume, damage to the pump and water leakage due to this can be well prevented without draining water in winter. .
特に本考案は供給口の径を大きく構成すると共に、接続
部材の接続筒部の径をこれよりも小径に構成して、フラ
ンジ部の一部をも受圧部として変形し得るように構成し
ているので、前述した内容積の増大が効率的に行なわれ
、従って前述の損傷防止効果を確実ならしめるという効
果がある。In particular, in the present invention, the diameter of the supply port is made large, and the diameter of the connecting cylinder part of the connecting member is made smaller than this, so that a part of the flange part can also be deformed as a pressure receiving part. Therefore, the above-mentioned increase in internal volume is carried out efficiently, and therefore, there is an effect that the above-mentioned damage prevention effect is ensured.
更に本考案は以上の如く損傷防止を行なうための部材に
供給側配管との接続筒部を一体に構成しているので、か
かる配管の接続を容易に行なえるという効果がある。Further, in the present invention, since the connecting cylinder portion for connecting to the supply side piping is integrally formed with the member for preventing damage as described above, there is an effect that the piping can be easily connected.
加えて本考案は以上の接続部材をケーシングの外側に取
り付けるのであるから製作が容易であるという効果があ
る。In addition, the present invention has the advantage that manufacturing is easy because the above-mentioned connecting member is attached to the outside of the casing.
図面は本考案の循環ポンプの一実施例を示した縦断面図
である。
１・・・・・・ケーシング、２・・・・・・供給口、３
・・・・・・吐出口、４・・・・・・ブラケット、５・
・・・・・Ｏリング、６・・・・・・羽根車、７・・・
・・・モータ、８・・・・・・軸、９・・・・・・凹部
、１０・・・・・・シール部材、１１・・・・・・押圧
環、１２・・・・・・軸受、１３・・・・・・押え部材
、１４・・・・・・スプリング、１５・・・・・・接続
管、１５′・・・・・・フランジ部、１６・・・・・・
押え金具、１７．１８・・・・・・配管、Ａ・・・・・
・接続部材。The drawing is a longitudinal sectional view showing an embodiment of the circulation pump of the present invention. 1... Casing, 2... Supply port, 3
...Discharge port, 4...Bracket, 5.
...O-ring, 6...impeller, 7...
... Motor, 8 ... Shaft, 9 ... Recess, 10 ... Seal member, 11 ... Pressing ring, 12 ... ... Bearing, 13... Pressing member, 14... Spring, 15... Connection pipe, 15'... Flange section, 16...
Holding metal fitting, 17.18... Piping, A...
・Connection parts.
Claims (1)
シングの軸方向に径の大きな供給口を設け、また半径方
向に吐出口を設けると共に、前記供給口よりも小径の接
続筒部とん該接続筒部の一端に半径方向外側に広がるフ
ランジ部とを一体に構成した弾性体製接続部材を設け、
該接続部材を前記フランジ部を以って前記供給口に取り
付けたこを特徴とする循環ポンプ。A rigid casing that accommodates an impeller attached to a shaft from a motor is provided with a supply port having a large diameter in the axial direction, a discharge port in the radial direction, and a connecting cylindrical portion having a smaller diameter than the supply port. A connecting member made of an elastic body is provided at one end of the cylindrical portion and is integrally formed with a flange portion that extends outward in the radial direction.
A circulation pump characterized in that the connecting member is attached to the supply port using the flange portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857980U JPS6033359Y2 (en) | 1980-09-29 | 1980-09-29 | circulation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857980U JPS6033359Y2 (en) | 1980-09-29 | 1980-09-29 | circulation pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5761200U JPS5761200U (en) | 1982-04-10 |
| JPS6033359Y2 true JPS6033359Y2 (en) | 1985-10-04 |
Family
ID=29498601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13857980U Expired JPS6033359Y2 (en) | 1980-09-29 | 1980-09-29 | circulation pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6033359Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3683962D1 (en) * | 1985-07-01 | 1992-04-02 | Easthorpe Investments Ltd | CENTRIFUGAL PUMP. |
| JPH0547836Y2 (en) * | 1987-09-14 | 1993-12-16 |
-
1980
- 1980-09-29 JP JP13857980U patent/JPS6033359Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5761200U (en) | 1982-04-10 |
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