JPS6310318B2 - - Google Patents
Info
- Publication number
- JPS6310318B2 JPS6310318B2 JP58044214A JP4421483A JPS6310318B2 JP S6310318 B2 JPS6310318 B2 JP S6310318B2 JP 58044214 A JP58044214 A JP 58044214A JP 4421483 A JP4421483 A JP 4421483A JP S6310318 B2 JPS6310318 B2 JP S6310318B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling fan
- notch
- boss
- motor
- engagement groove
- 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
- 238000001816 cooling Methods 0.000 claims description 35
- 210000000078 claw Anatomy 0.000 claims description 14
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はポンプの冷却フアン取付装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cooling fan mounting device for a pump.
従来のポンプの冷却フアン取付装置としては、
実公昭57−47440号公報に示されているように、
前端部にポンプ羽根車を取付けてなるモータの回
転軸の後端部に冷却フアンを取付けたものが公知
である。この冷却フアンは、ボスを有し、このボ
ス内径に回転軸の後端部を嵌合し、このボスに直
角にねじをねじ込んで、その先端を回転軸に当接
して固定されるものである。
As a conventional pump cooling fan mounting device,
As shown in Utility Model Publication No. 57-47440,
A motor is known in which a cooling fan is attached to the rear end of a rotary shaft of a motor having a pump impeller attached to the front end. This cooling fan has a boss, the rear end of the rotating shaft is fitted into the inner diameter of the boss, a screw is screwed into the boss at right angles, and the tip is fixed by abutting the rotating shaft. .
かかる従来の冷却フアン取付装置は、ねじをね
じ込んで固定するために、その取付けが非常に面
倒であつた。
Such conventional cooling fan mounting devices are very troublesome to install because they are fixed by screwing in screws.
本発明は、かかる問題点を解消するためと新規
な問題点を解消するためになされたもので、前端
部にポンプ羽根車３４を取付けてなるモータ２の
回転軸３の後端部に冷却フアン１０を取付けたポ
ンプの冷却フアン取付装置において、前記回転軸
３の後端部の周面上部に軸に平行な平面部を有す
る係合溝２２とこの平面部に平行な平面部を有す
る切欠２１とを幅狭の非切欠部２３を介して並置
し、前記切欠２１を軸の端面に至るように形成
し、前記冷却フアン１０の中央部に反モータ側に
突出するボス１２を形成し、このボス１２の内径
を前記回転軸３の外径と合致させ、前記ボス１２
の周面上部に切欠穴１２ａを設け、この切欠穴１
２ａの根本部からこの切欠穴１２ａに臨んで爪１
６を反モータ側に突出して設け、この爪１６を前
記係合溝２２に係合せしめ、前記ボス１２の底面
上部に前記切欠２１に係合する突起１８を設けた
ことを特徴とするポンプの冷却フアン取付装置と
したものである。
The present invention has been made in order to solve these problems and to solve new problems.The present invention has been made in order to solve these problems and to solve new problems. 10, in which an engagement groove 22 having a flat surface parallel to the axis is provided on the upper circumferential surface of the rear end of the rotating shaft 3, and a notch 21 having a flat surface parallel to this flat surface. are arranged side by side with a narrow non-notched portion 23 interposed therebetween, the notch 21 is formed so as to reach the end surface of the shaft, and a boss 12 is formed in the center of the cooling fan 10 to protrude toward the side opposite to the motor. The inner diameter of the boss 12 is made to match the outer diameter of the rotating shaft 3, and the boss 12
A notch hole 12a is provided in the upper part of the circumferential surface of the notch hole 1.
The nail 1 faces the notch hole 12a from the root part of the nail 2a.
6 is provided to protrude toward the side opposite to the motor, the pawl 16 is engaged with the engagement groove 22, and a projection 18 is provided on the upper bottom surface of the boss 12 to engage with the notch 21. This is a cooling fan mounting device.
かかるポンプの冷却フアン取付装置によれば、
冷却フアン１０を回転軸３に単に押込むのみで爪
１６が弾性変形して非切欠部２３を乗り越えて係
合溝２２に係合し、突起１８が切欠２１に係合さ
れ、爪１６が軸方向の抜け止めとなり、突起１８
が回り止めとなるので、ねじ等の部品を用いるこ
となくワンタツチで冷却フアン１０を取付け、且
つ、固定することができる。
According to the cooling fan mounting device of such a pump,
By simply pushing the cooling fan 10 onto the rotating shaft 3, the pawl 16 is elastically deformed, passes over the non-cutout portion 23, and engages with the engagement groove 22, the protrusion 18 is engaged with the notch 21, and the pawl 16 engages with the shaft. The protrusion 18 prevents it from coming off in the direction.
Since this prevents rotation, the cooling fan 10 can be installed and fixed with one touch without using parts such as screws.
又、反モータ側に突出するボス１２の周面上部
に切欠穴１２ａを設け、この切欠穴１２ａの根本
部からこの切欠穴１２ａに臨んで爪１６を反モー
タ側に突出して設けているので、ボス１２と回転
軸３との嵌合面と爪１６の突出寸法とが軸方向に
重なることになる。これによつて冷却フアン１０
の軸方向の寸法をあまり長くすることなく爪１６
の突出寸法を確保でき、爪１６の弾力性を十分に
得ることができ、短かい軸方向寸法にて冷却フア
ン１０の取付けが容易である。この場合、爪１６
が反モータ側に露出しているので、係合溝２２か
ら爪１６の係合を容易に外すことができる。 Further, a notch hole 12a is provided at the upper part of the peripheral surface of the boss 12 that protrudes toward the side opposite to the motor, and the pawl 16 is provided so as to protrude toward the side opposite to the motor, facing the notch hole 12a from the base of the notch hole 12a. The fitting surface between the boss 12 and the rotating shaft 3 and the protruding dimension of the claw 16 overlap in the axial direction. As a result, the cooling fan 10
claw 16 without increasing the axial dimension too much.
It is possible to ensure the protrusion dimension of , the sufficient elasticity of the pawl 16 can be obtained, and the cooling fan 10 can be easily attached due to the short axial dimension. In this case, claw 16
is exposed on the side opposite to the motor, so that the claw 16 can be easily disengaged from the engagement groove 22.
更には、回転軸３の後端部の周面上部に軸に平
行な平面部を有する係合溝２２とこの平面部に平
行な平面部を有する切欠２１とを非切欠部２３を
介して並置したので、係合溝２２と切欠２１とを
同時に一工程で容易に加工することができる。 Furthermore, an engagement groove 22 having a flat surface parallel to the axis on the upper circumferential surface of the rear end of the rotating shaft 3 and a notch 21 having a flat surface parallel to this flat surface are juxtaposed with a non-cut portion 23 interposed therebetween. Therefore, the engagement groove 22 and the notch 21 can be easily processed simultaneously in one process.
しかも、爪１６を反モータ側に突出して設け、
突起１８を反モータ側に突出したボス１２の底面
に設けたので、爪１６の軸方向の寸法を長くして
十分な弾性を得るようにした場合でも係合溝２２
と切欠２１とを近接して並置することができる。
従つて、爪１６は狭い非切欠部２３を乗り越えて
係合溝２２と係合させることができるので、、こ
の点からも冷却フアン１０の取付けが容易であ
る。 Moreover, the pawl 16 is provided so as to protrude toward the side opposite to the motor,
Since the protrusion 18 is provided on the bottom surface of the boss 12 that protrudes toward the side opposite to the motor, even if the axial dimension of the pawl 16 is lengthened to obtain sufficient elasticity, the engagement groove 22
and the notch 21 can be juxtaposed closely.
Therefore, the pawl 16 can cross over the narrow non-cut portion 23 and engage with the engagement groove 22, so that the cooling fan 10 can be easily attached from this point of view as well.
以下、本発明の一実施例を第１図〜第４図に基
づいて説明する。可搬式ポンプは、第１図に示す
ように、モータ収納ケース５の前面にケーシング
カバー７を取付けて構成される。ケーシングカバ
ー７の前面中央には吸込口６１が設けられ、上面
には吐出口６２が設けられている。モータ２は、
第２図に示すように、モータ収納ケース５内に収
納されている。モータ２の回転軸３の前端にはポ
ンプ羽根車３４が取付けられている。回転軸３の
後端部には冷却フアン１０が取付けられている。
Hereinafter, one embodiment of the present invention will be described based on FIGS. 1 to 4. The portable pump is constructed by attaching a casing cover 7 to the front surface of a motor storage case 5, as shown in FIG. A suction port 61 is provided at the center of the front surface of the casing cover 7, and a discharge port 62 is provided at the top surface. Motor 2 is
As shown in FIG. 2, it is housed in a motor storage case 5. A pump impeller 34 is attached to the front end of the rotating shaft 3 of the motor 2. A cooling fan 10 is attached to the rear end of the rotating shaft 3.
回転軸３の後端部の周面上部には、第３図およ
び第４図に示すように、軸に平行な平面部を有す
る係合溝２２とこの平面部に平行な平面部を有す
る切欠２１とを非切欠部２３を介して並置されて
いる。切欠２１は軸の端面に至つている。冷却フ
アン１０の中央部には、反モータ側に突出するボ
ス１２が形成されている。このボス１２の内径は
回転軸３の外径に合致されている。ボス１２の周
面上部には、切欠穴１２ａが設けられている。こ
の切欠穴１２ａの根本部からこの切欠部１２ａに
臨んで爪１６が反モータ側に突出して設けられて
いる。この爪１６は片持梁となつている。爪１６
は係合溝２２に係合される。ボス１２の底面の上
部には、切欠２１に係合する突起１８が設けられ
ている。 As shown in FIGS. 3 and 4, on the upper circumferential surface of the rear end of the rotating shaft 3, there is an engagement groove 22 having a flat part parallel to the axis and a notch having a flat part parallel to this flat part. 21 are juxtaposed with each other with the non-cut portion 23 interposed therebetween. The notch 21 reaches the end face of the shaft. A boss 12 is formed in the center of the cooling fan 10 and projects toward the side opposite to the motor. The inner diameter of this boss 12 matches the outer diameter of the rotating shaft 3. A notch hole 12a is provided in the upper part of the circumferential surface of the boss 12. A pawl 16 is provided from the root of the notch hole 12a, facing the notch portion 12a and protruding toward the side opposite to the motor. This claw 16 is in the form of a cantilever beam. Claw 16
is engaged with the engagement groove 22. A projection 18 that engages with the notch 21 is provided at the upper part of the bottom surface of the boss 12 .
而して、回転軸３の後端部に第３図矢印の方向
から冷却フアン１０を取付ける。まず、冷却フア
ン１０の内径内に回転軸３の後端部の先端を納
め、冷却フアン１０を更に摺動させれば爪１６が
弾性変形して非切欠部１２を乗り越えて係合溝２
２内に落ち込んで係合される。これと同時に、冷
却フアン１０のボス１２の底面上部の突起１８が
回転軸３の先端の切欠２１に係合される。 Then, the cooling fan 10 is attached to the rear end of the rotating shaft 3 from the direction of the arrow in FIG. First, the tip of the rear end of the rotary shaft 3 is placed within the inner diameter of the cooling fan 10, and when the cooling fan 10 is further slid, the pawl 16 is elastically deformed and passes over the non-notched portion 12 into the engagement groove 2.
2 and is engaged. At the same time, the protrusion 18 at the top of the bottom surface of the boss 12 of the cooling fan 10 is engaged with the notch 21 at the tip of the rotating shaft 3.
かかるポンプの冷却フアン取付装置によれば、
冷却フアン１０を回転軸３に単に押込むのみで爪
１６が弾性変形して非切欠部２３を乗り越えて係
合溝２２に係合し、突起１８が切欠２１に係合さ
れ、爪１６が軸方向の抜け止めとなり、突起１８
が回り止めとなるので、ねじ等の部品を用いるこ
となくワンタツチで冷却フアン１０を取付け、且
つ、固定することができる。 According to the cooling fan mounting device of such a pump,
By simply pushing the cooling fan 10 onto the rotating shaft 3, the pawl 16 is elastically deformed, passes over the non-cutout portion 23, and engages with the engagement groove 22, the protrusion 18 is engaged with the notch 21, and the pawl 16 engages with the shaft. The protrusion 18 prevents it from coming off in the direction.
Since this prevents rotation, the cooling fan 10 can be installed and fixed with one touch without using parts such as screws.
又、反モータ側に突出するボス１２の周面上部
に切欠部１２ａを設け、この切欠穴１２ａの根本
部からこの切欠穴１２ａに臨んで爪１６を反モー
タ側に突出して設けているので、ボス１２と回転
軸３との嵌合面と爪１６の突出寸法とが軸方向に
重なることとなる。これによつて冷却フアン１０
の軸方向の寸法をあまり長くすることなく爪１６
の突出寸法を確保でき、爪１６の弾力性を十分に
得ることができ、短かい軸方向寸法にて冷却フア
ン１０の取付けが容易である。この場合、爪１６
が反モータ側に露出しているので、係合溝２２か
ら爪１６の係合を容易に外すことができる。尚、
この実施例のように爪１６から更に突出する操作
子１７を設ければ、その先端を持上げることによ
り一層取外しが容易となる。 Furthermore, a notch 12a is provided on the upper circumferential surface of the boss 12 that protrudes toward the side opposite to the motor, and the pawl 16 is provided so as to protrude toward the side opposite to the motor, facing the notch hole 12a from the root of the notch hole 12a. The fitting surface between the boss 12 and the rotating shaft 3 and the protruding dimension of the claw 16 overlap in the axial direction. As a result, the cooling fan 10
claw 16 without increasing the axial dimension too much.
It is possible to ensure the protrusion dimension of , the sufficient elasticity of the pawl 16 can be obtained, and the cooling fan 10 can be easily attached due to the short axial dimension. In this case, claw 16
is exposed on the side opposite to the motor, so that the claw 16 can be easily disengaged from the engagement groove 22. still,
If the operating element 17 is provided to further protrude from the claw 16 as in this embodiment, removal becomes easier by lifting its tip.
更には、回転軸３の後端部の周面上部に軸に平
行な平面部を有する係合溝２２とこの平面部に平
行な平面部を有する切欠２１とを非切欠部２３を
介して並置したので、係合溝２２と切欠２１とを
同時に一工程で容易に加工することができる。 Furthermore, an engagement groove 22 having a flat surface parallel to the axis on the upper circumferential surface of the rear end of the rotating shaft 3 and a notch 21 having a flat surface parallel to this flat surface are juxtaposed with a non-cut portion 23 interposed therebetween. Therefore, the engagement groove 22 and the notch 21 can be easily processed simultaneously in one process.
しかも、爪１６を反モータ側に突出して設け、
突起１８を反モータ側に突出したボス１２の底面
に設けたので、爪１６の軸方向の寸法を長くして
十分な弾性を得るようにした場合でも係合溝２２
と切欠２１とを近接して並置することができる。
従つて、爪１６は狭い非切欠部２３を乗り越えて
係合溝２２と係合させることができるので、この
点からも冷却フアン１０の取付けが容易である。 Moreover, the pawl 16 is provided so as to protrude toward the side opposite to the motor,
Since the protrusion 18 is provided on the bottom surface of the boss 12 that protrudes toward the side opposite to the motor, even if the axial dimension of the pawl 16 is lengthened to obtain sufficient elasticity, the engagement groove 22
and the notch 21 can be juxtaposed closely.
Therefore, the pawl 16 can cross over the narrow non-cut portion 23 and engage with the engagement groove 22, so that the cooling fan 10 can be easily attached from this point of view as well.
本発明によれば、ねじ等の部品を用いることな
くワンタツチで冷却フアン１０を取付け、且つ、
固定することができ、又、冷却フアン１０を短か
い軸方向寸法にて容易に取付け取外しができ、更
には、回転軸３の係合溝２２と切欠２１とを同時
に一工程で加工でき、しかも、狭い非切欠部２３
にて冷却フアン１０の取付けが一層容易なポンプ
の冷却フアン取付装置を提供することができる。
According to the present invention, the cooling fan 10 can be installed with one touch without using parts such as screws, and
Furthermore, the cooling fan 10 can be easily attached and detached with a short axial dimension, and furthermore, the engagement groove 22 and notch 21 of the rotating shaft 3 can be processed simultaneously in one process. , narrow non-cut portion 23
Thus, it is possible to provide a cooling fan mounting device for a pump that allows the cooling fan 10 to be mounted more easily.
第１図は本発明を備えた可搬式小形ポンプの外
観図、第２図は同ポンプの縦断面図、第３図は同
ポンプのフアン取付装置の組立途中を示す斜視
図、第４図は同フアン取付装置の組立状態の断面
斜視図である。
２……モータ、３……回転軸、１０……冷却フ
アン、１２……ボス、１２ａ……切欠穴、１６…
…爪、１８……突起、２１……切欠、２２……係
合溝、２３……非切欠部、３４……ポンプ羽根
車。
Fig. 1 is an external view of a portable small pump equipped with the present invention, Fig. 2 is a vertical sectional view of the same pump, Fig. 3 is a perspective view showing the pump's fan mounting device in the middle of assembly, and Fig. 4 is FIG. 2 is a cross-sectional perspective view of the fan mounting device in an assembled state. 2...Motor, 3...Rotating shaft, 10...Cooling fan, 12...Boss, 12a...Notch hole, 16...
...Claw, 18...Protrusion, 21...Notch, 22...Engagement groove, 23...Non-notch portion, 34...Pump impeller.
Claims (1)
ータ２の回転軸３の後端部に冷却フアン１０を取
付けたポンプの冷却フアン取付装置において、前
記回転軸３の後端部の周面上部に軸に平行な平面
部を有する係合溝２２とこの平面部に平行な平面
部を有する切欠２１とを幅狭の非切欠部２３を介
して並置し、前記切欠２１を軸の端面に至るよう
に形成し、前記冷却フアン１０の中央部に反モー
タ側に突出するボス１２を形成し、このボス１２
の内径を前記回転軸３の外径と合致させ、前記ボ
ス１２の周面上部に切欠穴１２ａを設け、この切
欠穴１２ａの根本部からこの切欠穴１２ａに臨ん
で爪１６を反モータ側に突出して設け、この爪１
６を前記係合溝２２に係合せしめ、前記ボス１２
の底面上部に前記切欠２１に係合する突起１８を
設けたことを特徴とするポンプの冷却フアン取付
装置。1. In a pump cooling fan mounting device in which a cooling fan 10 is mounted on the rear end of a rotating shaft 3 of a motor 2 having a pump impeller 34 mounted on the front end, a cooling fan 10 is mounted on the upper circumferential surface of the rear end of the rotating shaft 3 An engagement groove 22 having a flat surface parallel to the shaft and a notch 21 having a flat surface parallel to this flat surface are juxtaposed with a narrow non-notched portion 23 interposed therebetween, and the notch 21 is arranged so as to reach the end surface of the shaft. A boss 12 is formed in the center of the cooling fan 10 and protrudes toward the side opposite to the motor.
The inner diameter of the boss 12 is made to match the outer diameter of the rotary shaft 3, and a cutout hole 12a is provided in the upper part of the circumferential surface of the boss 12, and the claw 16 is placed on the side opposite to the motor by facing the cutout hole 12a from the root of the notch hole 12a. Protrudingly provided, this claw 1
6 into the engagement groove 22, and the boss 12
A cooling fan mounting device for a pump, characterized in that a projection 18 that engages with the notch 21 is provided on the upper bottom surface of the pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4421483A JPS59170492A (en) | 1983-03-18 | 1983-03-18 | Portable pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4421483A JPS59170492A (en) | 1983-03-18 | 1983-03-18 | Portable pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59170492A JPS59170492A (en) | 1984-09-26 |
| JPS6310318B2 true JPS6310318B2 (en) | 1988-03-05 |
Family
ID=12685292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4421483A Granted JPS59170492A (en) | 1983-03-18 | 1983-03-18 | Portable pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59170492A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2756021B1 (en) * | 1996-11-19 | 2001-11-23 | Valeo Systemes Dessuyage | SIMPLIFIED PROPELLER MOUNT MOTOR |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647295B2 (en) * | 1977-07-12 | 1981-11-09 | ||
| JPS5747440U (en) * | 1980-12-16 | 1982-03-16 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647295U (en) * | 1979-09-19 | 1981-04-27 |
-
1983
- 1983-03-18 JP JP4421483A patent/JPS59170492A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647295B2 (en) * | 1977-07-12 | 1981-11-09 | ||
| JPS5747440U (en) * | 1980-12-16 | 1982-03-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59170492A (en) | 1984-09-26 |
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