JP2000073955A - Portable compressor - Google Patents

Portable compressor

Info

Publication number
JP2000073955A
JP2000073955A JP10249590A JP24959098A JP2000073955A JP 2000073955 A JP2000073955 A JP 2000073955A JP 10249590 A JP10249590 A JP 10249590A JP 24959098 A JP24959098 A JP 24959098A JP 2000073955 A JP2000073955 A JP 2000073955A
Authority
JP
Japan
Prior art keywords
cooling air
cover
air
fan
compressor
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.)
Pending
Application number
JP10249590A
Other languages
Japanese (ja)
Inventor
Tsukasa Suzuura
司 鈴裏
Mitsusachi Ishikawa
光幸 石川
Toshifumi Kubota
俊書 久保田
Mitsuhiro Sunaoshi
光広 砂押
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP10249590A priority Critical patent/JP2000073955A/en
Publication of JP2000073955A publication Critical patent/JP2000073955A/en
Pending legal-status Critical Current

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  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items and the man-hours by forming a guide passage for guiding the cooling air to be sucked and discharged by a fan with the inner wall of a cover, a motor, a compressing part or the outer peripheral wall of an air tank. SOLUTION: A compressor main body is covered with a cover 1 over the nearly whole thereof so as to insulate the noise and so as to prevent the exposure of a high temperature part. Cooling air 5 is led into a motor housing 8 through a cooling air inlet 9 by the rotation of a fan, and after cooling the motor, the cooling air is discharged from a cooling air discharge port 4. Furthermore, the cooling air 5 is guided by the cooling air guide passage formed by the inner wall of an upper part of the cover 1, a rib 3 provided so as to reinforce the cover 1, a motor arranged inside of the cover 1, a compressor and the outer peripheral wall of an upper part of an air tank 7. Since the guide passage is formed, the cooling air 5 can be efficiently guided without adding a new parts, and the number of part items and the man-hours can be reduced.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は電動機、圧縮部及び
空気タンクの少なくとも一部を覆うカバー内にファンを
有する携帯用圧縮機に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable compressor having a fan in a cover which covers at least a part of an electric motor, a compressor, and an air tank.

【0002】[0002]

【従来の技術】圧縮機は、周知のようにピストンの高速
往復運動により空気を圧縮するため、空気圧縮による発
熱、シリンダとピストンの摩擦熱等により、圧縮部及び
空気タンクが高温となる。このような発熱による機械部
品の摩耗、損傷、圧縮効率の低下を防止するために、従
来より圧縮部及び空気タンクをファンにより冷却する構
成の圧縮機がある。このような圧縮機の一例として、実
公昭62−45101号公報に記載されたように、電動
機に付設されたファンにより電動機を冷却した後に吐出
される冷却風を、風案内板を配設することにより圧縮部
及び空気タンクに案内して冷却するものがあった。
2. Description of the Related Art As is well known, a compressor compresses air by a high-speed reciprocating motion of a piston. Therefore, the temperature of a compression section and an air tank becomes high due to heat generated by air compression, frictional heat between a cylinder and a piston, and the like. In order to prevent abrasion, damage, and reduction in compression efficiency of mechanical parts due to such heat generation, there has conventionally been a compressor having a configuration in which a compression unit and an air tank are cooled by a fan. As an example of such a compressor, as described in Japanese Utility Model Publication No. Sho 62-45101, a wind guide plate is provided for cooling air discharged after cooling the motor by a fan attached to the motor. There was one that guided the cooling unit to the compression unit and the air tank.

【0003】[0003]

【発明が解決しようとする課題】上記した圧縮機の場
合、風案内板を本体に取り付ける必要があるため、風案
内板及び取付け部材等部品点数の増加、作業工数の増
加、重量増加等の問題があった。更に、カバーがない構
成である場合、風案内板により案内された冷却風は冷却
風路からもれ、効率よく圧縮部あるいは空気タンク等に
到達しなくなり、またカバーがあったとしても冷却風が
効率よく案内されなければ、圧縮部等が十分に冷却され
ることはなく圧縮機の故障、圧縮効率の低下を招く。本
発明の目的は、上記欠点を解消し、部品点数の低減、作
業工数の低減が図れ、冷却効率が良く低価格、軽量であ
る携帯用圧縮機を提供することである。
In the case of the above-mentioned compressor, since it is necessary to attach the wind guide plate to the main body, there are problems such as an increase in the number of parts such as the wind guide plate and the mounting members, an increase in the number of working steps, an increase in weight, and the like. was there. Further, in the case of a configuration without a cover, the cooling air guided by the wind guide plate leaks from the cooling air passage, and does not efficiently reach the compression unit or the air tank, and even if the cover is provided, the cooling air does not flow. If not guided efficiently, the compression section and the like will not be sufficiently cooled, resulting in failure of the compressor and reduction in compression efficiency. SUMMARY OF THE INVENTION An object of the present invention is to provide a portable compressor which solves the above-mentioned drawbacks, reduces the number of parts and the number of work steps, and has good cooling efficiency, low cost and light weight.

【0004】[0004]

【課題を解決するための手段】上記目的は、電動機、圧
縮部及び空気タンクの少なくとも一部を覆うカバーの内
壁と、カバーの補強のためにカバー内壁面に設けられる
リブと、電動機、圧縮部あるいは空気タンクの外周壁と
により、ファンによって吸入、吐出される冷却風を案内
する案内路を形成することにより達成される。
SUMMARY OF THE INVENTION It is an object of the present invention to provide an electric motor, a compression unit, and an inner wall of a cover which covers at least a part of an air tank; a rib provided on an inner wall surface of the cover for reinforcing the cover; Alternatively, this is achieved by forming a guide path for guiding the cooling air sucked and discharged by the fan with the outer peripheral wall of the air tank.

【0005】[0005]

【発明の実施の形態】以下、本発明携帯用圧縮機の一実
施形態を図1〜図3を用いて説明する。図3は本発明携
帯用圧縮機の一実施形態を示す平面図、図1は図3に示
す携帯用圧縮機の内部構造を示す要部断面図、図2は図
1のA−A線断面図である。図に示す携帯用圧縮機は遮
音、高温部の露出防止等の目的で圧縮機本体のほぼ全面
がカバー1にて覆われており、カバー1には持ち運び用
の取っ手部2が取り付けられている。カバー1からは圧
縮空気を取り出すためのカプラソケット6、取り出し圧
力を調節するための減圧弁31及びドレンを排出するた
めのドレンコック30が突出している。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the portable compressor of the present invention will be described below with reference to FIGS. FIG. 3 is a plan view showing an embodiment of the portable compressor of the present invention, FIG. 1 is a sectional view of a main part showing an internal structure of the portable compressor shown in FIG. 3, and FIG. FIG. In the portable compressor shown in the figure, a cover 1 covers almost the entire surface of the compressor body for the purpose of sound insulation, exposure prevention of a high-temperature portion, and the like, and a handle 2 for carrying is attached to the cover 1. . From the cover 1, a coupler socket 6 for extracting compressed air, a pressure reducing valve 31 for adjusting the extraction pressure, and a drain cock 30 for discharging drain project.

【0006】以下、携帯用圧縮機の基本動作を説明す
る。モータハウジング8内に収納された図示しない電動
機の回転運動は、図示しないクランク軸にてピストンを
往復動させる。ピストンはシリンダ10内を往復動して
シリンダ10内の空気を圧縮し、圧縮空気は図示しない
排気弁等を有するシリンダヘッド11、パイプ12を介
して空気タンク7内に蓄積される。空気タンク7内に蓄
積された圧縮空気は、カプラソケット6から吐出され、
釘打機等の空気工具の動力源として利用される。
Hereinafter, the basic operation of the portable compressor will be described. The rotation of the electric motor (not shown) accommodated in the motor housing 8 causes the piston to reciprocate on a crank shaft (not shown). The piston reciprocates in the cylinder 10 to compress the air in the cylinder 10, and the compressed air is accumulated in the air tank 7 through a cylinder head 11 having an exhaust valve and the like (not shown) and a pipe 12. The compressed air stored in the air tank 7 is discharged from the coupler socket 6,
It is used as a power source for pneumatic tools such as nailing machines.

【0007】次に冷却風の流れを説明する。なお、説明
を簡便にするために冷却風を矢印5にて示した。冷却風
5は、電動機の一方に取り付けられたファン20の回転
により、冷却風入口部9よりモータハウジング8内に導
入され、電動機を冷却した後に冷却風吐出口4から吐出
される。冷却風吐出口4から吐出された冷却風5は、カ
バー1の上部内壁とカバー1の補強のために設けられた
リブ3と、カバー1内部に配置された電動機、圧縮部及
び空気タンク7の上部外周壁とにより形成された冷却風
案内路によって案内され、空気タンク7、シリンダ1
0、シリンダヘッド11、パイプ12等の上方を通り、
カバー1に設けられた図示しない冷却風排出口より外部
へ排出される。
Next, the flow of the cooling air will be described. Note that the cooling air is indicated by an arrow 5 to simplify the explanation. The cooling air 5 is introduced into the motor housing 8 from the cooling air inlet 9 by the rotation of a fan 20 attached to one of the motors, and is discharged from the cooling air discharge port 4 after cooling the motor. The cooling air 5 discharged from the cooling air discharge port 4 is supplied to the upper inner wall of the cover 1, the ribs 3 provided for reinforcing the cover 1, and the electric motor, the compressor, and the air tank 7 arranged inside the cover 1. The air tank 7 and the cylinder 1 are guided by a cooling air guide path formed by the upper outer peripheral wall.
0, passing above the cylinder head 11, pipe 12, etc.
The air is discharged to the outside from a cooling air outlet (not shown) provided in the cover 1.

【0008】また、図2を用いて冷却風吐出口4付近の
冷却風5の流れを説明する。モータシャフト21に取り
付けられたファン20は、遠心ファンであるため、冷却
風5は図示しない電動機を冷却した後に遠心方向に吐出
され、冷却風吐出口4を通過してカバー1の内壁とリブ
3と空気タンク7上部外周壁とにより形成された冷却風
案内路22に導入される。その後、冷却風5はリブ3の
案内に従ってシリンダへと導かれるが、図に示すように
リブ3端部と空気タンク7外周壁との間には隙間23が
設けられた構成をしており、これにより大部分の冷却風
5はシリンダに導入されるが、一部の冷却風5が空気タ
ンク7に沿って流れ、空気タンク7全体を効果的に冷却
するようになる。冷却風5の流れの配分は、隙間23の
面積により任意に調節することが可能であり、シリンダ
を充分に冷却したい場合は隙間をなくせばよく、この場
合にスポンジやゴム等の緩衝材を用いて隙間23を封鎖
するようにすれば、空気タンク7の振動が直接カバー1
に伝達しないようになり、低騒音化を図ることができる
という効果がある。
The flow of the cooling air 5 near the cooling air outlet 4 will be described with reference to FIG. Since the fan 20 attached to the motor shaft 21 is a centrifugal fan, the cooling air 5 is discharged in the centrifugal direction after cooling the electric motor (not shown), passes through the cooling air discharge port 4 and the inner wall of the cover 1 and the ribs 3. The cooling air is introduced into a cooling air guide path 22 formed by the upper outer peripheral wall of the air tank 7. After that, the cooling air 5 is guided to the cylinder in accordance with the guidance of the ribs 3. As shown in the drawing, a gap 23 is provided between the end of the rib 3 and the outer peripheral wall of the air tank 7, As a result, most of the cooling air 5 is introduced into the cylinder, but a part of the cooling air 5 flows along the air tank 7 to effectively cool the entire air tank 7. The distribution of the flow of the cooling air 5 can be arbitrarily adjusted depending on the area of the gap 23. If it is desired to sufficiently cool the cylinder, the gap may be eliminated. In this case, a cushioning material such as sponge or rubber is used. If the gap 23 is closed by the vibration, the vibration of the air tank 7 is directly
And the noise can be reduced.

【0009】上記したように、電動機、圧縮部及び空気
タンクの少なくとも一部を覆うカバー1の内壁と、カバ
ー1に補強のために設けられるリブ3と、カバー1内の
電動機、圧縮部あるいは空気タンク7の外周壁とによ
り、冷却風5を案内する案内路を形成する構成としたこ
とにより、新たな部品を追加することなく冷却風5を効
率よく案内することができるようになるので、部品点数
及び作業工数を低減させることができる。また、リブ3
をカバー1と一体成形することにより、更に部品点数及
び作業工数を低減させることができる。なお、上記実施
形態では冷却風5が主に空気タンク7、シリンダ10、
シリンダヘッド11、パイプ12を通過する構成とした
が、他の部位を冷却したい場合にはリブ3の配置を変更
することにより任意の個所を冷却できることは言うまで
もない。また、ファン20を圧縮部を駆動させる電動機
に設ける構成としたが、ファン専用の電動機を設けた構
成としても良いと共に、ファン20をいかなる個所に複
数個設けた構成としても、その配置に併せてリブ3を形
成すれば良い。
As described above, the inner wall of the cover 1 that covers at least a part of the motor, the compressor, and the air tank, the ribs 3 provided on the cover 1 for reinforcement, the motor, the compressor, and the air inside the cover 1 Since the guide path for guiding the cooling air 5 is formed by the outer peripheral wall of the tank 7, the cooling air 5 can be efficiently guided without adding new parts. The number of points and work steps can be reduced. Also, rib 3
Is integrally formed with the cover 1 to further reduce the number of parts and the number of work steps. In the above embodiment, the cooling air 5 is mainly supplied from the air tank 7, the cylinder 10,
Although it is configured to pass through the cylinder head 11 and the pipe 12, it is needless to say that an arbitrary portion can be cooled by changing the arrangement of the ribs 3 when it is desired to cool other portions. In addition, the fan 20 is provided in the motor that drives the compression unit. However, the fan 20 may be provided with a motor dedicated to the fan, and the fan 20 may be provided in any place at a plurality of locations. The ribs 3 may be formed.

【0010】[0010]

【発明の効果】上記したように、カバーの内壁とカバー
に設けられたリブと電動機、圧縮部あるいは空気タンク
の外周壁とにより、ファンによって吸入、吐出される冷
却風を案内する案内路を形成したことにより、部品点数
の低減、作業工数の低減が図れ、冷却効率が良く低価
格、軽量である携帯用圧縮機を提供することができるよ
うになる。
As described above, the guide path for guiding the cooling air sucked and discharged by the fan is formed by the inner wall of the cover, the rib provided on the cover, and the outer peripheral wall of the electric motor, the compression section or the air tank. As a result, the number of parts and the number of work steps can be reduced, and a portable compressor with good cooling efficiency, low cost, and light weight can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明携帯用圧縮機の一実施例を示す要部断面
平面図。
FIG. 1 is a cross-sectional plan view of a main part showing an embodiment of a portable compressor of the present invention.

【図2】図1のA−A線断面図。FIG. 2 is a sectional view taken along line AA of FIG.

【図3】本発明携帯用圧縮機の一実施例を示す平面図。FIG. 3 is a plan view showing one embodiment of the portable compressor of the present invention.

【符号の説明】[Explanation of symbols]

1はカバー、3はリブ、4は冷却風吐出口、5は冷却
風、7は空気タンク、10はシリンダ、11はシリンダ
ヘッド、12はパイプである。
1 is a cover, 3 is a rib, 4 is a cooling air outlet, 5 is a cooling air, 7 is an air tank, 10 is a cylinder, 11 is a cylinder head, and 12 is a pipe.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 砂押 光広 茨城県ひたちなか市武田1060番地 株式会 社日立工機内 Fターム(参考) 3H003 AA02 AB07 AC02 BE03 CD01 CD05 CF00 3H076 AA01 AA02 AA34 AA35 BB07 BB21 BB28 BB40 BB41 BB43 BB50 CC07 CC91 CC99  ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Mitsuhiro Sandoshi 1060 Takeda, Hitachinaka-shi, Ibaraki F-term in Hitachi Koki Co., Ltd. BB43 BB50 CC07 CC91 CC99

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 電動機と、電動機により駆動され圧縮空
気を製造する圧縮部と、圧縮部により製造された圧縮空
気を蓄積する空気タンクと、これらの少なくとも一部を
覆うカバーと、カバー内に設けられたファンとを有する
携帯用圧縮機であって、 前記カバーの内壁とカバーに設けられたリブと電動機、
圧縮部あるいは空気タンクの外周壁とにより、ファンに
よって吸入、吐出される冷却風を案内する案内路を形成
したことを特徴とする携帯用圧縮機。
An electric motor, a compression section driven by the electric motor to produce compressed air, an air tank for accumulating compressed air produced by the compression section, a cover covering at least a part of these, and a cover provided in the cover A portable compressor having a fan and an inner wall of the cover, a rib provided on the cover and an electric motor,
A portable compressor, wherein a guide path for guiding cooling air sucked and discharged by a fan is formed by a compression portion or an outer peripheral wall of an air tank.
【請求項2】 前記リブの端部と電動機、圧縮部あるい
は空気タンクの外周壁との間に隙間を形成し、隙間に緩
衝材を設けたことを特徴とする請求項1記載の携帯用圧
縮機。
2. The portable compression device according to claim 1, wherein a gap is formed between an end of the rib and an outer peripheral wall of the electric motor, the compression section or the air tank, and a cushioning material is provided in the gap. Machine.
JP10249590A 1998-09-03 1998-09-03 Portable compressor Pending JP2000073955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10249590A JP2000073955A (en) 1998-09-03 1998-09-03 Portable compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10249590A JP2000073955A (en) 1998-09-03 1998-09-03 Portable compressor

Publications (1)

Publication Number Publication Date
JP2000073955A true JP2000073955A (en) 2000-03-07

Family

ID=17195286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10249590A Pending JP2000073955A (en) 1998-09-03 1998-09-03 Portable compressor

Country Status (1)

Country Link
JP (1) JP2000073955A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254241A (en) * 2002-02-27 2003-09-10 Tokico Ltd Air compressor
JP2004237196A (en) * 2003-02-05 2004-08-26 Juki Corp Adhesive application head and adhesive applicator
NL1026281C2 (en) * 2004-05-27 2005-11-30 Kinzo B V Air compressor unit with casing-shaped housing contains electric motor with devices for connection to external feed, compressor, pressure container, electric motor and compressor functioning to pressurize pressure container
WO2017049368A2 (en) * 2015-09-25 2017-03-30 Atlas Copco Airpower,Naamloze Vennootschap Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method
BE1023523B1 (en) * 2015-09-25 2017-04-19 Atlas Copco Airpower, N.V. METHOD FOR COOLING A COMPRESSOR OR VACUUM PUMP AND A COMPRESSOR OR VACUUM PUMP THAT APPLIES SUCH METHOD
JP2019070353A (en) * 2017-10-10 2019-05-09 Ckd株式会社 Transportable compression air supply machine
WO2020215903A1 (en) * 2019-04-22 2020-10-29 宁波奥克斯电气股份有限公司 Electric motor cover, base and air conditioner

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003254241A (en) * 2002-02-27 2003-09-10 Tokico Ltd Air compressor
JP2004237196A (en) * 2003-02-05 2004-08-26 Juki Corp Adhesive application head and adhesive applicator
NL1026281C2 (en) * 2004-05-27 2005-11-30 Kinzo B V Air compressor unit with casing-shaped housing contains electric motor with devices for connection to external feed, compressor, pressure container, electric motor and compressor functioning to pressurize pressure container
WO2017049368A2 (en) * 2015-09-25 2017-03-30 Atlas Copco Airpower,Naamloze Vennootschap Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method
BE1023523B1 (en) * 2015-09-25 2017-04-19 Atlas Copco Airpower, N.V. METHOD FOR COOLING A COMPRESSOR OR VACUUM PUMP AND A COMPRESSOR OR VACUUM PUMP THAT APPLIES SUCH METHOD
WO2017049368A3 (en) * 2015-09-25 2017-05-04 Atlas Copco Airpower,Naamloze Vennootschap Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method
BE1025612B1 (en) * 2015-09-25 2019-04-25 Atlas Copco Airpower Naamloze Vennootschap SOUND MUTE FOR COMPRESSOR OR VACUUM PUMP
RU2694949C1 (en) * 2015-09-25 2019-07-18 Атлас Копко Эрпауэр, Намлозе Веннотсхап Cooling method of compressor or vacuum pump and compressor or vacuum pump, in which such method is used
US10731649B2 (en) * 2015-09-25 2020-08-04 Atlas Copco Airpower, Naamloze Vennootschap Method for cooling a compressor or vacuum pump and a compressor or vacuum pump applying such a method
JP2019070353A (en) * 2017-10-10 2019-05-09 Ckd株式会社 Transportable compression air supply machine
WO2020215903A1 (en) * 2019-04-22 2020-10-29 宁波奥克斯电气股份有限公司 Electric motor cover, base and air conditioner

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