JPH06101686A - Feed pump - Google Patents
Feed pumpInfo
- Publication number
- JPH06101686A JPH06101686A JP10123391A JP10123391A JPH06101686A JP H06101686 A JPH06101686 A JP H06101686A JP 10123391 A JP10123391 A JP 10123391A JP 10123391 A JP10123391 A JP 10123391A JP H06101686 A JPH06101686 A JP H06101686A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- shaft
- rotor
- peripheral surface
- feed 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.)
- Withdrawn
Links
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 238000007747 plating Methods 0.000 abstract description 13
- 239000007787 solid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】
【目的】 液体を移送する送液ポンプに関し、特に移送
する液体がメッキ液であっても長期間に亙って安定に稼
働する送液ポンプの提供を目的とする。
【構成】 シャフト13a の両端を軸受11,12 に回動自在
に軸支させた回転子13と、回転子の端部に固定されて液
体10中に浸漬される翼状のインペラー14とを含んで構成
し、回転子とともにインペラーをシャフトを回転中心に
して回転して液体を移送する送液ポンプにおいて、回転
子が回転時に、シャフトの外周面と軸受11,12 の内周面
との隙間を液体の一部が絶えず通過するように送液ポン
プを構成する。
(57) [Summary] [Objective] The present invention relates to a liquid transfer pump that transfers liquid, and particularly to a liquid supply pump that operates stably for a long period of time even when the liquid to be transferred is a plating liquid. [Structure] A rotor 13 in which both ends of a shaft 13a are rotatably supported by bearings 11 and 12 and a wing-shaped impeller 14 fixed to the ends of the rotor and immersed in a liquid 10 are included. In the liquid feed pump that is configured to rotate the impeller together with the rotor about the shaft as the center of rotation to transfer the liquid, when the rotor rotates, the gap between the outer peripheral surface of the shaft and the inner peripheral surfaces of the bearings 11 and 12 becomes liquid. The liquid delivery pump is configured so that a part of the liquid constantly passes through.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、液体を移送する送液ポ
ンプ、特に移送する液体がメッキ液であっても長期間に
亙って安定に稼働する送液ポンプに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid feed pump for transferring a liquid, and more particularly to a liquid feed pump which operates stably for a long period of time even if the liquid to be transferred is a plating liquid.
【０００２】[0002]
【従来の技術】次に、従来の送液ポンプについて図２を
参照して説明する。図２は、従来の送液ポンプを説明す
るための図であって、同図(a) は送液ポンプの要部切開
側断面図、同図(b) は要部の拡大側断面図である。な
お、本明細書においては、同一部品、同一材料等に対し
ては全図をとおして同じ符号を付与してある。2. Description of the Related Art Next, a conventional liquid feed pump will be described with reference to FIG. 2A and 2B are views for explaining a conventional liquid feed pump, in which FIG. 2A is a sectional view of an incision side of a main part of the liquid feed pump, and FIG. 2B is an enlarged side sectional view of the main part. is there. In the present specification, the same parts, the same materials and the like are designated by the same reference numerals throughout the drawings.
【０００３】従来の送液ポンプは、同図(a) に示すよう
に、永久磁石13b を内包した正面視が円形をしたプラス
チック製のハウジング13cと、ハウジング13c の中心を
同軸状に貫通した両端開口のパイプ状のシャフト13a と
からなり、シャフト13a の一端である第１の端部13a1を
第１の軸受11に回動自在に軸支させるとともに、シャフ
ト13a の他端である第２の端部13a2を第２の軸受12に回
動自在に軸支させた回転子13と、ハウジング13c の一方
の端部に固定された翼状をして機械的に頑丈なインペラ
ー(Impeller;翼)14 と、カップ状をし、回転子13のハウ
ジング13c の一端部に固定されたインペラー14を液体充
満空間Ｗの一部となる内部に収容し、底内面の中心部に
固着して設けられている第１の軸受嵌着部15a に圧入し
た第１の軸受11に、シャフト13a の対向電極一端である
第１の端部を回動自在に軸支したフロントケース15と、
茶蓋状をして開口面をフロントケース15の開口面と対面
し、底内面の中心部に固着して設けられている第２の軸
受嵌着部16a に圧入した第２の軸受12に、インペラー14
を収容するとともに液体10で満たされる液体充満空間Ｗ
の残部を形成する内部に収容した回転子13のシャフト13
a の第２の端部13a2を回動自在に軸支したリアケース16
と、リアケース16の外周部に配列されて交流電源（図示
せず）から供給される交流電流により発生した回転磁界
を回転子13の永久磁石13b に作用し、リアケース16内で
回転子13をそのシャフト13a を回転中心にして回転させ
る励磁コイル17とを含んで構成したものである。As shown in FIG. 1 (a), a conventional liquid feed pump has a plastic housing 13c containing a permanent magnet 13b and having a circular shape when viewed from the front, and both ends of the housing 13c coaxially penetrating the center of the housing 13c. The first end portion 13a 1 which is one end of the shaft 13a is rotatably supported by the first bearing 11 and the second end which is the other end of the shaft 13a. A rotor 13 having an end portion 13a 2 rotatably supported by a second bearing 12 and a wing-like mechanically-impactor impeller fixed to one end portion of a housing 13c. 14 and a cup-shaped impeller 14 fixed to one end of the housing 13c of the rotor 13 is housed inside a part of the liquid-filled space W and is fixed to the center of the inner surface of the bottom. In the first bearing 11 press-fitted into the first bearing fitting portion 15a, the counter electrode of the shaft 13a is A front case 15 in which a first end, which is an end, is pivotally supported,
A second bearing 12 press-fitted into a second bearing fitting portion 16a, which has a tea-lid shape and has an opening surface facing the opening surface of the front case 15 and fixed to the center of the bottom inner surface, Impeller 14
A liquid-filled space W filled with the liquid 10 and containing
Shaft 13 of rotor 13 housed inside forming the remainder of
Rear case 16 rotatably supporting the second end 13a 2 of a
And a rotating magnetic field generated by an AC current supplied from an AC power supply (not shown) arranged on the outer periphery of the rear case 16 acts on the permanent magnets 13b of the rotor 13 and the rotor 13 inside the rear case 16. And an exciting coil 17 for rotating the shaft 13a about the shaft 13a thereof.
【０００４】このように構成された従来の送液ポンプに
より液体を移送するには、まず、励磁コイル17に交流電
源から交流電流を供給して、回転子13とともに液体10が
満たされている液体充満空間Ｗ内でインペラー14を回転
させる。In order to transfer the liquid by the conventional liquid feed pump configured as described above, first, an alternating current is supplied to the exciting coil 17 from an alternating current power source to fill the liquid with the rotor 13 with the liquid 10. The impeller 14 is rotated in the filled space W.
【０００５】このインペラー14の回転は、液体充満空間
Ｗ内を満たしている液体10を回転することとなる。この
ようにして回転を始めた液体10には、回転方向と直交す
る方向に遠心力が作用することとなり、液体10はフロン
トケース15の側面に設けられて液体充満空間Ｗに連通し
た吐出孔15c から吐出することとなる。The rotation of the impeller 14 rotates the liquid 10 filling the liquid filled space W. A centrifugal force acts on the liquid 10 that has started to rotate in the direction orthogonal to the rotation direction, and the liquid 10 is provided on the side surface of the front case 15 and communicates with the liquid filling space W. Will be discharged from.
【０００６】なお、フロントケース15の正面の中心部に
は液体充満空間Ｗに連通した吸入孔15b が設けられてい
る。そして、この吸入孔15b は液体10を入れたタンク
（図示せず）等にも他端を連通しているので、タンク等
に入れられた液体10は吸入孔15b を介して連続的に液体
充満空間Ｗに供給されることとなる。A suction hole 15b communicating with the liquid filled space W is provided at the center of the front surface of the front case 15. Since the other end of the suction hole 15b communicates with a tank (not shown) containing the liquid 10 or the like, the liquid 10 contained in the tank or the like is continuously filled with the liquid through the suction hole 15b. It will be supplied to the space W.
【０００７】[0007]
【発明が解決しようとする課題】ところで、送液ポンプ
が稼働している際に、図２の(b) 図に示すようにシャフ
ト13a の第１の端部13a1の外周面と第１の軸受11との僅
かな隙間18a と、シャフト13a の第２の端部13a2の外周
面と第２の軸受12との僅かな隙間18b に液体10がそれぞ
れ染み込むようにして侵入することとなる。By the way, when the liquid feed pump is in operation, as shown in FIG. 2 (b), the outer peripheral surface of the first end portion 13a 1 of the shaft 13a and the first end portion 13a 1 The liquid 10 infiltrates into the slight gap 18a with the bearing 11 and the slight gap 18b with the outer peripheral surface of the second end portion 13a 2 of the shaft 13a and the second bearing 12 so as to permeate the liquid 10 respectively.
【０００８】そして、それぞれの隙間18a,18b に侵入し
た液体10は、高速で回転しているシャフト13a の第１の
端部13a1の外周面と第１の軸受11の内周面との間で発生
する摩擦熱及びシャフト13a の第２の端部13a2の外周面
と第２の軸受12の内周面との間で発生する摩擦熱により
加熱されて、高温になる。The liquid 10 that has entered the gaps 18a and 18b is between the outer peripheral surface of the first end portion 13a 1 of the shaft 13a rotating at high speed and the inner peripheral surface of the first bearing 11. And the frictional heat generated between the outer peripheral surface of the second end portion 13a 2 of the shaft 13a and the inner peripheral surface of the second bearing 12 to heat the shaft 13a to a high temperature.
【０００９】このようにして高温にされる液体10が、メ
ッキ液の場合には、このメッキ液が高温のために変質
し、その中に溶けている溶質が被膜状の固形物10' とな
ってそれぞれの面に付着し、シャフト13a の円滑な回転
が阻害されるという問題が間々発生していた。When the liquid 10 which is heated to a high temperature in this way is a plating solution, the plating solution is altered due to the high temperature, and the solute dissolved therein becomes a film-like solid substance 10 '. Therefore, there has been a problem that the shaft 13a is adhered to the respective surfaces and hinders the smooth rotation of the shaft 13a.
【００１０】本発明は、このような問題を解消するため
になされたものであって、その目的は移送する液体がメ
ッキ液であっても長期間に亙って安定に稼働する送液ポ
ンプを提供することにある。The present invention has been made in order to solve such a problem, and an object thereof is to provide a liquid feed pump which operates stably for a long period of time even if the liquid to be transferred is a plating liquid. To provide.
【００１１】[0011]
【課題を解決するための手段】図１に示すように前記目
的は、シャフト13a の両端を軸受11,12 に回動自在に軸
支させた回転子13と、回転子13の端部に固定されて液体
10中に浸漬される翼状のインペラー14とを含んで構成
し、回転子13とともにインペラー14をシャフト13a を回
転中心にして回転して液体10を移送する送液ポンプにお
いて、回転子13が回転時に、シャフト13a の外周面と軸
受11,12 の内周面との隙間に液体10の一部を絶えず通過
させることを特徴とする送液ポンプで達成される。As shown in FIG. 1, the above-mentioned object is to fix a rotor 13 in which both ends of a shaft 13a are rotatably supported by bearings 11 and 12, and an end portion of the rotor 13. Being liquid
In a liquid feed pump configured to include a wing-shaped impeller 14 immersed in 10 and rotating the impeller 14 together with the rotor 13 about a shaft 13a as a rotation center to transfer the liquid 10, when the rotor 13 rotates. The liquid delivery pump is characterized in that a part of the liquid 10 is constantly passed through a gap between the outer peripheral surface of the shaft 13a and the inner peripheral surfaces of the bearings 11 and 12.
【００１２】[0012]
【作用】本発明の送液ポンプは、シャフト13a の外周面
と軸受11,12 の内周面との僅かな隙間に液体10の一部を
通過させるようにしている。The liquid feed pump of the present invention allows a part of the liquid 10 to pass through a slight gap between the outer peripheral surface of the shaft 13a and the inner peripheral surfaces of the bearings 11 and 12.
【００１３】このために、シャフト13a が回転し、この
シャフト13a の外周面と軸受11,12の内周面との間で摩
擦熱が発生しても、液体10はシャフト13a の外周面と軸
受11,12 との間の隙間18a,18b を連続的に移動するので
高温になることがない。For this reason, even if the shaft 13a rotates and frictional heat is generated between the outer peripheral surface of the shaft 13a and the inner peripheral surfaces of the bearings 11 and 12, the liquid 10 still remains in contact with the outer peripheral surface of the shaft 13a. Since the gaps 18a and 18b between 11, 12 are moved continuously, there is no high temperature.
【００１４】したがって、液体10がメッキ液であっもシ
ャフト13a の外周面と軸受11,12 の内周面にはその中の
溶質が被膜状の固形物10' となって付着することがない
ので送液ポンプは長期間に亙って安定に稼働する。Therefore, even if the liquid 10 is a plating liquid, the solute therein does not adhere to the outer peripheral surface of the shaft 13a and the inner peripheral surfaces of the bearings 11 and 12 as a film-like solid substance 10 '. The liquid transfer pump operates stably over a long period of time.
【００１５】[0015]
【実施例】以下、本発明の一実施例の送液ポンプについ
て図１を参照して説明する。図１は、本発明の一実施例
の送液ポンプを説明するための図であって、同図(a) は
送液ポンプの要部切開側断面図、同図(b) は要部の拡大
側断面図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS A liquid feed pump according to an embodiment of the present invention will be described below with reference to FIG. 1A and 1B are views for explaining a liquid delivery pump according to an embodiment of the present invention, in which FIG. 1A is a sectional view of an incision side of an essential part of the liquid delivery pump, and FIG. It is an expanded side sectional view.
【００１６】本発明の一実施例の送液ポンプは、同図
(a) 及び同図(b) で示す如く図２で説明した従来の送液
ポンプのフロントケース15の第１の軸受嵌着部15a に、
新たに液流入孔15a1を設けて構成したものである。The liquid delivery pump of one embodiment of the present invention is shown in FIG.
As shown in FIGS. 2 (a) and 2 (b), the first bearing fitting portion 15a of the front case 15 of the conventional liquid delivery pump described in FIG.
The liquid inflow hole 15a 1 is newly provided.
【００１７】このようにフロントケース15の第１の軸受
嵌着部15a に液流入孔15a1を設けた本発明の一実施例の
送液ポンプを作動させると、フロントケース15の吸入孔
15bから勢いよく流入したメッキ液10の一部は、液流入
孔15a1を通過し、矢印Ａで示すようにシャフト13a の第
１の端部13a1の外周面と第１の軸受11の内周面の隙間18
a を流れるとともに、矢印Ｂで示すようにシャフト13a
の中を流れた後に矢印Ｃで示すようにシャフト13a の第
２の端部13a2の外周面と第２の軸受12の内周面との隙間
18b を流れることとなる。When the liquid feed pump of the embodiment of the present invention in which the first bearing fitting portion 15a of the front case 15 is provided with the liquid inflow hole 15a 1 as described above, the suction hole of the front case 15 is operated.
A part of the plating solution 10 flowing in vigorously from 15b passes through the solution inflow hole 15a 1 , and as shown by an arrow A, the outer peripheral surface of the first end 13a 1 of the shaft 13a and the inner portion of the first bearing 11 are Peripheral clearance 18
As shown by arrow B, shaft 13a
After flowing through the inside, as shown by arrow C, the gap between the outer peripheral surface of the second end portion 13a 2 of the shaft 13a and the inner peripheral surface of the second bearing 12
It will flow through 18b.
【００１８】送液ポンプが作動し、シャフト13a の第１
の端部13a1の外周面と第１の軸受11の内周面との間、及
びシャフト13a の第２の端部13a2の外周面と第２の軸受
12の内周面との間で絶えず摩擦熱が発生しても、メッキ
液10も絶えずそれぞれの隙間18a,18b を流れているから
このメッキ液10が高温になることはない。The liquid feed pump operates and the first shaft 13a
Between the outer peripheral surface of the end 13a 1 of the shaft and the inner peripheral surface of the first bearing 11, and the outer peripheral surface of the second end 13a 2 of the shaft 13a and the second bearing.
Even if frictional heat is continuously generated between the inner peripheral surface of 12 and the plating liquid 10, the plating liquid 10 also flows through the gaps 18a and 18b, so that the plating liquid 10 does not reach a high temperature.
【００１９】したがって、シャフト13a の第１の端部13
a1及び第２の端部13a2の外周面、第１の軸受11及び第２
の軸受12の内周面には、メッキ液10の溶質が被膜状の固
形物10' となって付着することがないので、送液ポンプ
は長期間に亙って安定に稼働する。Therefore, the first end 13 of the shaft 13a is
a 1 and the outer peripheral surface of the second end portion 13a 2 , the first bearing 11 and the second
Since the solute of the plating liquid 10 does not adhere to the inner peripheral surface of the bearing 12 in the form of a film-like solid substance 10 ', the liquid feed pump operates stably for a long period of time.
【００２０】[0020]
【発明の効果】以上説明したように本発明は、移送する
液体がメッキ液であっても長期間に亙って安定に稼働す
る送液ポンプを提供できる。As described above, the present invention can provide a liquid feed pump that operates stably over a long period of time even if the liquid to be transferred is a plating liquid.
【図１】は、本発明の一実施例の送液ポンプを説明する
ための図、FIG. 1 is a diagram for explaining a liquid feed pump according to an embodiment of the present invention,
【図２】は、従来の送液ポンプを説明するための図であ
る。FIG. 2 is a diagram for explaining a conventional liquid feed pump.
10は、液体 (メッキ液) 、 10' は、被膜状の固形物、 11は、軸受 (第１の軸受) 、 12は、軸受 (第２の軸受) 、 13は、回転子、 13a は、シャフト、 13a1は、第１の端部、 13a2は、第２の端部、 13b は、永久磁石、 13c は、ハウジング、 14は、インペラー、 15は、フロントケース、 15a は、第１の軸受嵌着部、 15a1は、液流入孔、 15b は、吸入孔、 15c は、吐出孔、 16は、リアケース、 16a は、第２の軸受嵌着部、 17は、励磁コイル、 18a,18b は隙間をそれぞれ示す。10 is a liquid (plating liquid), 10 'is a film-like solid, 11 is a bearing (first bearing), 12 is a bearing (second bearing), 13 is a rotor, 13a is Shaft, 13a 1 is first end, 13a 2 is second end, 13b is permanent magnet, 13c is housing, 14 is impeller, 15 is front case, 15a is first Bearing fitting portion, 15a 1 is a liquid inlet hole, 15b is a suction hole, 15c is a discharge hole, 16 is a rear case, 16a is a second bearing fitting portion, 17 is an exciting coil, 18a, 18b shows a gap, respectively.
Claims (1)
回動自在に軸支させた回転子(13)と、回転子(13)の端部
に固定されて液体(10)中に浸漬される翼状のインペラー
(14)とを含んで構成し、前記回転子(13)とともに前記イ
ンペラー(14)を前記シャフト(13a) を回転中心にして回
転して前記液体(10)を移送する送液ポンプにおいて、 前記回転子(13)が回転時に、前記シャフト(13a) の外周
面と前記軸受(11,12)の内周面との隙間に前記液体(10)
の一部を絶えず通過させることを特徴とする送液ポン
プ。1. A rotor (13) having both ends of a shaft (13a) rotatably supported by bearings (11, 12), and a liquid (10) fixed to the ends of the rotor (13). Winged impeller immersed in
(14), including the rotor (13), the impeller (14) together with the impeller (14) to rotate the shaft (13a) as a rotation center to transfer the liquid (10), When the rotor (13) rotates, the liquid (10) is placed in the gap between the outer peripheral surface of the shaft (13a) and the inner peripheral surface of the bearings (11, 12).
A liquid feed pump characterized by constantly passing a part of the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123391A JPH06101686A (en) | 1991-05-07 | 1991-05-07 | Feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123391A JPH06101686A (en) | 1991-05-07 | 1991-05-07 | Feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06101686A true JPH06101686A (en) | 1994-04-12 |
Family
ID=14295186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10123391A Withdrawn JPH06101686A (en) | 1991-05-07 | 1991-05-07 | Feed pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06101686A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101250969B1 (en) * | 2012-02-20 | 2013-04-05 | 캄텍주식회사 | Water pump for vehicle |
| KR101307956B1 (en) * | 2012-01-04 | 2013-09-12 | 캄텍주식회사 | Water Pump for Vehicle |
| KR20240015759A (en) * | 2022-07-27 | 2024-02-06 | 지엠비코리아 주식회사 | Water pump |
| KR20240021625A (en) * | 2022-08-10 | 2024-02-19 | 주식회사 코아비스 | Water pump |
-
1991
- 1991-05-07 JP JP10123391A patent/JPH06101686A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101307956B1 (en) * | 2012-01-04 | 2013-09-12 | 캄텍주식회사 | Water Pump for Vehicle |
| KR101250969B1 (en) * | 2012-02-20 | 2013-04-05 | 캄텍주식회사 | Water pump for vehicle |
| US9422936B2 (en) | 2012-02-20 | 2016-08-23 | Kamtec Inc. | Water pump in vehicle |
| KR20240015759A (en) * | 2022-07-27 | 2024-02-06 | 지엠비코리아 주식회사 | Water pump |
| KR20240021625A (en) * | 2022-08-10 | 2024-02-19 | 주식회사 코아비스 | Water pump |
| US12012968B2 (en) | 2022-08-10 | 2024-06-18 | Coavis | Water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980806 |