JPS645101Y2 - - Google Patents
Info
- Publication number
- JPS645101Y2 JPS645101Y2 JP1983064743U JP6474383U JPS645101Y2 JP S645101 Y2 JPS645101 Y2 JP S645101Y2 JP 1983064743 U JP1983064743 U JP 1983064743U JP 6474383 U JP6474383 U JP 6474383U JP S645101 Y2 JPS645101 Y2 JP S645101Y2
- Authority
- JP
- Japan
- Prior art keywords
- drive shaft
- bearing
- cylinder
- rotor
- supported
- 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
- 239000011247 coating layer Substances 0.000 claims description 15
- 239000004642 Polyimide Substances 0.000 claims description 8
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 8
- 229920002312 polyamide-imide Polymers 0.000 claims description 5
- 229920006393 polyether sulfone Polymers 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
【考案の詳細な説明】
本考案はロータリー圧縮機、詳しくは、シリン
ダとフロント及びリヤヘツドとを備え、前記シリ
ンダのボアに駆動軸の回転により回転運動するロ
ータを内装して、該ロータの回転運動により気体
を圧縮する如くしたロータリー圧縮機に関する。[Detailed description of the invention] The present invention is a rotary compressor, more specifically, it is equipped with a cylinder and front and rear heads, and a rotor that rotates due to the rotation of a drive shaft is installed in the bore of the cylinder, and the rotation of the rotor is This invention relates to a rotary compressor that compresses gas.
この種圧縮機において、前記フロントヘツドに
軸受部を設けると共に、該軸受部に、軸受メタル
を装着して前記駆動軸の軸部を支持したものが特
開昭57−49084号公報に記載されている。 In this type of compressor, a bearing part is provided in the front head, and a bearing metal is attached to the bearing part to support the shaft part of the drive shaft, as described in Japanese Patent Laid-Open No. 57-49084. There is.
従来の前記圧縮機を第３図に基づいて説明する
と、図示するものはステーシヨナリーベーン形圧
縮機であつて、シリンダ５１とフロント及びリヤ
ヘツド５２，５３とを備え、前記シリンダ５１の
ボア５４にロータ５７を内装する一方、駆動軸５
５を前記各ヘツド５２，５３及びシリンダ５１に
挿通して、前記駆動軸５５の偏心軸部５６を前記
ロータ５７に挿嵌すると共に、軸受メタル５９を
装着した前記フロントヘツド５２の軸受筒５２ａ
に軸受支持させたものであつて、前記駆動軸５５
の回転に伴なう前記ロータ５７の偏心回転により
気体の圧縮作用を行なう如く成したものである。 The conventional compressor described above will be explained based on FIG. While the rotor 57 is installed internally, the drive shaft 5
5 is inserted into each of the heads 52, 53 and the cylinder 51, and the eccentric shaft portion 56 of the drive shaft 55 is inserted into the rotor 57, and the bearing cylinder 52a of the front head 52 is fitted with a bearing metal 59.
The drive shaft 55 is supported by a bearing.
The eccentric rotation of the rotor 57 accompanying the rotation of the rotor 57 compresses the gas.
而して、前記従来のものは、前記軸受筒５２ａ
に高価な軸受メタル５９を装着しなければならな
かつたので製造コストが高くつく問題があつたの
である。 Therefore, in the conventional one, the bearing tube 52a
Since an expensive bearing metal 59 had to be attached to the bearing, there was a problem of high manufacturing costs.
本考案は上記問題点に鑑みたもので、目的とす
るところは、前記駆動軸の軸部外周面と軸受筒内
周面との摺接部に低摩擦係数で、かつ耐摩耗性を
有する被覆層を形成することにより、前記軸受メ
タルを用いなくとも、前記駆動軸を前記軸受筒で
軸受支持できるように成して、製造コストを安価
にする点にある。 The present invention was developed in view of the above-mentioned problems, and the purpose is to coat the sliding contact area between the outer peripheral surface of the shaft portion of the drive shaft and the inner peripheral surface of the bearing cylinder with a low coefficient of friction and wear resistance. By forming the layer, the drive shaft can be supported by the bearing sleeve without using the bearing metal, thereby reducing the manufacturing cost.
その目的を達成するために本考案は構成をシリ
ンダとフロント及びリヤヘツドとを備え、これら
フロント及びリヤヘツドに、前記シリンダ内で回
転するロータを駆動する駆動軸の軸受筒を設け
て、前記駆動軸を支持するごとくしたロータリー
圧縮機において、前記軸受筒と駆動軸との一方
に、テトラフルオロエチレン重合体及びテトラフ
ルオロエチレン共重合体より選ばれた少なくとも
一種以上が有機媒体中に分散されたオルガノゾル
に、ポリフエニレンサルフアイド（PPS）、ポリ
エーテルサルフオン（PES）、ポリアミドイミド
（PAI）、及びポリイミド（PI）などの樹脂より選
ばれた少なくとも一種以上を配合したフツ素系樹
脂から成る被覆層を形成し、該被覆層を介して、
前記駆動軸を前記各軸受筒に支持して、前記軸受
筒に軸受メタルを装着しなくとも、前記駆動軸を
軸受支持できる如く成したのである。 In order to achieve this object, the present invention has a structure including a cylinder and front and rear heads, and these front and rear heads are provided with a bearing sleeve for a drive shaft that drives a rotor rotating within the cylinder, and the drive shaft is driven by a cylinder. In a rotary compressor that is supported, one of the bearing sleeve and the drive shaft is coated with an organosol in which at least one selected from tetrafluoroethylene polymer and tetrafluoroethylene copolymer is dispersed in an organic medium; A coating layer made of a fluororesin blended with at least one selected from resins such as polyphenylene sulfide (PPS), polyether sulfonate (PES), polyamideimide (PAI), and polyimide (PI). forming, and through the coating layer,
The drive shaft is supported by each of the bearing tubes so that the drive shaft can be supported by the bearings without mounting a bearing metal on the bearing tube.
以下、本考案の一実施例を図面に基づいて説明
する。 Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図に示すものは、ステーシヨナリーベーン
型のロータリー圧縮機であつて、密閉ケーシング
１の下方に冷媒を圧縮する圧縮要素２を内装する
と共に、その上方に、該圧縮要素２に動力を供給
するモータＭを内装している。 The one shown in FIG. 1 is a stationary vane type rotary compressor, in which a compression element 2 for compressing refrigerant is installed below a hermetic casing 1, and a power supply to the compression element 2 is installed above the casing 1. A supply motor M is installed inside.
前記圧縮要素２は、内部にボア３をもつシリン
ダ４の上下部に、フロントヘツド５とリヤヘツド
６とを設ける一方、前記シリンダ４のボア３にロ
ータ７を内装している。 The compression element 2 is provided with a front head 5 and a rear head 6 at the upper and lower portions of a cylinder 4 having a bore 3 therein, while a rotor 7 is housed in the bore 3 of the cylinder 4.
また、前記シリンダ４に摺動溝（図示せず）を
形成して、該摺動溝内にベーン１０を出退可能に
設け、このベーン１０をばね（図示せず）により
前記ロータ７に常時接触すべく付勢させて、該ベ
ーン１０によりボア３を、吸入口１１をもつ低圧
室３ａと吐出口（図示せず）をもつ高圧室（図示
せず）とに区画すべくしている。 Further, a sliding groove (not shown) is formed in the cylinder 4, and a vane 10 is provided in the sliding groove so as to be able to move in and out, and the vane 10 is always attached to the rotor 7 by a spring (not shown). The vanes 10 are biased to make contact and divide the bore 3 into a low pressure chamber 3a having an inlet 11 and a high pressure chamber (not shown) having an outlet (not shown).
また、前記モータＭは、そのステータ８に駆動
軸９を圧入固定している。 Further, the motor M has a drive shaft 9 press-fitted into the stator 8 thereof.
そして、その駆動軸９を、前記各ヘツド５，６
及びシリンダ４に挿通させて、該各ヘツド５，６
の軸受５ａ，６ａにより軸受支持させると共に、
前記駆動軸９の偏心軸部９ａを前記ボア３内のロ
ータ７に挿嵌している。 Then, the drive shaft 9 is connected to each of the heads 5, 6.
and the respective heads 5 and 6 by inserting them into the cylinder 4.
Bearings are supported by bearings 5a and 6a, and
An eccentric shaft portion 9a of the drive shaft 9 is inserted into the rotor 7 within the bore 3.
尚、１２は前記吸入口１１と連通し、圧縮機内
に低圧冷媒を導びく吸入管で、１３は高圧冷媒ガ
スを前記ケーシング１内から機外に吐出するため
の吐出管である。 Note that 12 is a suction pipe communicating with the suction port 11 and guiding low-pressure refrigerant into the compressor, and 13 is a discharge pipe for discharging high-pressure refrigerant gas from inside the casing 1 to the outside of the machine.
斯くして、前記モータＭの駆動に伴なう前記ロ
ータ７の偏心回転により、低圧冷媒を前記吸入管
１２、吸入口１１を介して前記ボア３の低圧室３
ａに吸入すると同時に、前記ボア３における高圧
室の冷媒を所定圧力まで圧縮して吐出口（図示せ
ず）からシリンダ４外に吐出し、更にマフラー１
４、吐出管１３を介して機外に吐出させるべく成
している。 In this way, the eccentric rotation of the rotor 7 accompanying the drive of the motor M causes the low pressure refrigerant to flow through the suction pipe 12 and the suction port 11 into the low pressure chamber 3 of the bore 3.
At the same time, the refrigerant in the high pressure chamber in the bore 3 is compressed to a predetermined pressure and discharged from the discharge port (not shown) to the outside of the cylinder 4.
4. It is designed to be discharged outside the machine via the discharge pipe 13.
尚、１９は、前記ケーシング１の底部に設けら
れる油溜１８と連通し、前記駆動軸９の各摺動部
分に潤滑油を供給する給油通路で、前記軸受筒５
ａ，６ａと前記駆動軸９との摺接部にも潤滑油を
供給できるようにしている。 Reference numeral 19 denotes an oil supply passage that communicates with an oil reservoir 18 provided at the bottom of the casing 1 and supplies lubricating oil to each sliding portion of the drive shaft 9.
Lubricating oil can also be supplied to the sliding contact portions between a and 6a and the drive shaft 9.
以上の如く構成する前記圧縮機において、第２
図に示す如く前記駆動軸９の軸部９ｂ，９ｃ外周
面、即ち前記軸受筒５ａ，６ａとの対向面に被覆
層１５，１６を形成するのである。 In the compressor configured as described above, the second
As shown in the figure, coating layers 15 and 16 are formed on the outer peripheral surfaces of the shaft portions 9b and 9c of the drive shaft 9, that is, on the surfaces facing the bearing sleeves 5a and 6a.
前記被覆層１５，１６は摩擦係数が低く、かつ
耐摩耗性を有するフツ素樹脂を用い、フツ素樹脂
の一例を説明すると、先ずテトラフルオロエチレ
ン重合体（以下PTFEと略す）およびテトラフル
オロエチレン共重合体、たとえば、テトラフルオ
ロエチレン−ヘキサフルオロプロピレン共重合体
（以下FEPと略す）、テトラフルオロエチレン−
パーフルオロアルキルビニルエーテル共重合体
（以下PFAと略す）、エチレン−テトラフルオロ
エチレン共重合体（ETFE）より選ばれた少なく
とも一種以上が有機媒体中に分散されたオルガノ
ゾルに、ポリフエニレンサルフアイド（PPS）、
ポリエーテルサルフオン（PES）、ポリアミドイ
ミド（PAI）およびポリイミド（PI）などの樹脂
より選ばれた少なくとも一種以上を配合した事を
特徴とする被覆用組成物を作成する。そして、こ
の組成物を前記した駆動軸９の軸部９ｂ，９ｃ外
周面を脱脂、サンドブラストした後、該各外周面
にエアースプレーなどにより塗装し、その後赤外
線乾燥させ、更に280℃〜380℃で焼成して前記被
覆層１５，１６を形成するのである。その膜厚20
〜70μmmとし、好ましくは40±5μmmとする。 The coating layers 15 and 16 are made of a fluororesin having a low coefficient of friction and wear resistance.Explaining an example of a fluororesin, first, tetrafluoroethylene polymer (hereinafter abbreviated as PTFE) and tetrafluoroethylene copolymer are used. Polymers, such as tetrafluoroethylene-hexafluoropropylene copolymer (hereinafter abbreviated as FEP), tetrafluoroethylene-hexafluoropropylene copolymer (hereinafter abbreviated as FEP),
Polyphenylene sulfide (PPS) is added to an organosol in which at least one selected from perfluoroalkyl vinyl ether copolymer (hereinafter abbreviated as PFA) and ethylene-tetrafluoroethylene copolymer (ETFE) is dispersed in an organic medium. ),
A coating composition is prepared, which is characterized by containing at least one selected from resins such as polyether sulfone (PES), polyamideimide (PAI), and polyimide (PI). After degreasing and sandblasting the outer circumferential surfaces of the shaft portions 9b and 9c of the drive shaft 9 with this composition, it is applied to each outer circumferential surface by air spraying or the like, and then dried by infrared rays, and further heated at 280°C to 380°C. The coating layers 15 and 16 are formed by firing. The film thickness is 20
~70μmm, preferably 40±5μmm.
尚、前記塗料の一例について詳記すると、400
部のメチルイソプチルケトン（有機媒体）に
PTFE粉末（ダイキン工業製ルブロンＬ−２）30
部、PFA水性分散体（重合体含有量50重量％
〔ダイキン工業製ネオフロンデイスバージヨン
ND−１〕）140部との混合物を分散し、さらに水
分を除去してPTFE／PFA＝3/7組成のPTFE−
PFA25.0重量％を含む淡黄色半透明状のオルガノ
ゾルを得て、この混合オルガノゾル200部とポリ
アミドイミド樹脂AI−100（アモコ社）180部およ
びＮ−メチル−２−ピロリドン110部、並びに顔
料としてカーボンネオスペクトラマーク（コロ
ンビアカーボン製）６部および酸化チタンFR−
22（チタン工業製）１部を混練、濾過して作成す
るのである。 In addition, to explain in detail about an example of the above-mentioned paint, 400
of methyl isobutyl ketone (organic medium)
PTFE powder (Daikin Industries Lubron L-2) 30
part, PFA aqueous dispersion (polymer content 50% by weight)
[Daikin Industries neofrondeis version
ND-1]) Disperse the mixture with 140 parts and further remove water to obtain PTFE- with a composition of PTFE/PFA = 3/7.
A pale yellow translucent organosol containing 25.0% by weight of PFA was obtained, and 200 parts of this mixed organosol, 180 parts of polyamideimide resin AI-100 (Amoco), 110 parts of N-methyl-2-pyrrolidone, and as a pigment Carbon Neo Spectra Mark (manufactured by Columbia Carbon) 6 parts and titanium oxide FR-
It is made by kneading and filtering 1 part of 22 (manufactured by Titan Kogyo).
以上の如く構成する本実施例の作用を説明す
る。 The operation of this embodiment configured as described above will be explained.
先ず、前記圧縮機の圧縮作用を再度簡単に説明
する。 First, the compression action of the compressor will be briefly explained again.
前記モータＭの駆動に伴なう前記ロータ７の偏
心回転により、低圧冷媒を前記吸入管１２、吸入
口１１を介して前記ボア３の低圧室３ａに吸入す
ると同時に、前記ボア３における高圧室の冷媒を
所定圧力まで圧縮して吐出口からシリンダ４外に
吐出し、更にマフラー１４、吐出管１３を介して
機外に吐出するものである。 Due to eccentric rotation of the rotor 7 as the motor M is driven, low pressure refrigerant is sucked into the low pressure chamber 3a of the bore 3 through the suction pipe 12 and the suction port 11, and at the same time, the high pressure chamber in the bore 3 is sucked. The refrigerant is compressed to a predetermined pressure and discharged from the discharge port to the outside of the cylinder 4, and further discharged to the outside of the machine via the muffler 14 and the discharge pipe 13.
而して、本実施例は前記駆動軸９の軸部９ｂ，
９ｃ外周面に低摩擦係数で、耐摩耗性を有する被
覆層１５，１６を形成し、該被覆層１５，１６を
介して前記駆動軸９の軸部９ｂ，９ｃを前記軸受
筒５ａ，６ａに支持させたから、前記軸受筒５
ａ，６ａは軸受メタルを装着しなくとも、前記駆
動軸９を軸受支持できるのである。 Therefore, in this embodiment, the shaft portion 9b of the drive shaft 9,
Coating layers 15 and 16 having a low coefficient of friction and wear resistance are formed on the outer peripheral surface of the drive shaft 9, and the shaft portions 9b and 9c of the drive shaft 9 are attached to the bearing sleeves 5a and 6a through the coating layers 15 and 16. Since it is supported, the bearing tube 5
a, 6a can support the drive shaft 9 with bearings without installing a bearing metal.
尚、上記実施例は、前記駆動軸９側に被覆層１
５，１６を形成したが、前記軸受筒５ａ，６ａ内
周面に前記被覆層を形成しても良い。 In the above embodiment, the coating layer 1 is provided on the drive shaft 9 side.
5 and 16, the coating layer may be formed on the inner circumferential surface of the bearing sleeves 5a and 6a.
又、前記フロントヘツド５及びリヤヘツド６を
焼結合金で形成する場合には、前記被覆層を形成
する工程のうち、該被覆層を形成する面を研摩、
サンドブラストする工程は省略できる。 In addition, when the front head 5 and the rear head 6 are formed of a sintered alloy, the surface on which the coating layer is to be formed is polished or polished during the step of forming the coating layer.
The sandblasting process can be omitted.
更に、上記実施例はステーシヨナリーベーン形
のロータリー圧縮機に関するものであるが、本考
案はロータ側にベーンを支持するスライデイング
ベーン形のロータリー圧縮機にも適用できるもの
である。 Furthermore, although the above embodiment relates to a stationary vane type rotary compressor, the present invention can also be applied to a sliding vane type rotary compressor in which the vanes are supported on the rotor side.
以上の如く、本考案は、シリンダ４とフロント
及びリヤヘツド５，６とを備え、これらフロント
及びリヤヘツド５，６に、前記シリンダ４内で回
転するロータ７を駆動する駆動軸９の軸受筒５
ａ，６ａを設けて、前記駆動軸９を支持するごと
くしたロータリー圧縮機において、前記軸受筒５
ａ，６ａと駆動軸９との一方に、テトラフルオロ
エチレン重合体及びテトラフルオロエチレン共重
合体より選ばれた少なくとも一種以上が有機媒体
中に分散されたオルガノゾルに、ポリフエニレン
サルフアイド（PPS）、ポリエーテルサルフオン
（PES）、ポリアミドイミド（PAI）、及びポリイ
ミド（PI）などの樹脂より選ばれた少なくとも
一種以上を配合したフツ素系樹脂から成る被覆層
を形成し、該被覆層１５，１６を介して、前記駆
動軸９を前記各軸受筒５ａ，６ａに支持したか
ら、前記軸受筒５ａ，６ａと駆動軸９との一方
に、低摩擦係数で、耐摩耗性を有するフツ素樹脂
から成る被覆層１５，１６を形成することによ
り、前記軸受筒５ａ，６ａに軸受メタルを装着し
なくとも、前記駆動軸９を損傷することなく確実
に軸受支持できるのである。従つて、軸受メタル
を不要にできるので、製造コストを安価にするこ
とができるのである。 As described above, the present invention includes a cylinder 4 and front and rear heads 5 and 6, and a bearing tube 5 of a drive shaft 9 that drives a rotor 7 rotating within the cylinder 4 is attached to these front and rear heads 5 and 6.
a, 6a to support the drive shaft 9, the bearing sleeve 5
a, 6a and the drive shaft 9, polyphenylene sulfide (PPS) is added to an organosol in which at least one selected from tetrafluoroethylene polymer and tetrafluoroethylene copolymer is dispersed in an organic medium. , a coating layer made of a fluororesin blended with at least one selected from resins such as polyethersulfon (PES), polyamideimide (PAI), and polyimide (PI), and the coating layer 15, 16, the drive shaft 9 is supported on each of the bearing sleeves 5a, 6a, so one of the bearing sleeves 5a, 6a and the drive shaft 9 is coated with a fluororesin having a low coefficient of friction and wear resistance. By forming the coating layers 15 and 16, the bearing can be reliably supported without damaging the drive shaft 9, even without attaching a bearing metal to the bearing sleeves 5a and 6a. Therefore, since the bearing metal can be made unnecessary, manufacturing costs can be reduced.
第１図は本考案の一実施例を示す縦断面図、第
２図は要部の拡大縦断面図、第３図は従来例の要
部を示す説明図である。
４……シリンダ、５……フロントヘツド、５ａ
……軸受筒、６……リヤヘツド、６ａ……軸受
筒、７……ロータ、９……駆動軸、１５，１６…
…被覆層。
FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, FIG. 2 is an enlarged longitudinal sectional view of the main part, and FIG. 3 is an explanatory diagram showing the main part of a conventional example. 4...Cylinder, 5...Front head, 5a
... Bearing sleeve, 6 ... Rear head, 6a ... Bearing sleeve, 7 ... Rotor, 9 ... Drive shaft, 15, 16 ...
...covering layer.
Claims (1)
とを備え、これらフロント及びリヤヘツド５，６
に、前記シリンダ４内で回転するロータ７を駆動
する駆動軸９の軸受筒５ａ，６ａを設けて、前記
駆動軸９を支持するごとくしたロータリー圧縮機
において、前記軸受筒５ａ，６ａと駆動軸９との
一方に、テトラフルオロエチレン重合体及びテト
ラフルオロエチレン共重合体より選ばれた少なく
とも一種以上が有機媒体中に分散されたオルガノ
ゾルに、ポリフエニレンサルフアイド（PPS）、
ポリエーテルサルフオン（PES）、ポリアミドイ
ミド（PAI）、及びポリイミド（PI）などの樹脂
より選ばれた少なくとも一種以上を配合したフツ
素系樹脂から成る被覆層１５，１６を形成し、該
被覆層１５，１６を介して、前記駆動軸９を前記
各軸受筒５ａ，６ａに支持したことを特徴とする
ロータリー圧縮機。 Cylinder 4, front and rear heads 5, 6
These front and rear heads 5, 6
In a rotary compressor in which bearing sleeves 5a and 6a of a drive shaft 9 that drives a rotor 7 rotating within the cylinder 4 are provided to support the drive shaft 9, the bearing sleeves 5a and 6a and the drive shaft 9, polyphenylene sulfide (PPS),
Forming coating layers 15 and 16 made of a fluororesin blended with at least one selected from resins such as polyether sulfon (PES), polyamideimide (PAI), and polyimide (PI); A rotary compressor characterized in that the drive shaft 9 is supported by the bearing sleeves 5a and 6a via shafts 15 and 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6474383U JPS59168592U (en) | 1983-04-28 | 1983-04-28 | rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6474383U JPS59168592U (en) | 1983-04-28 | 1983-04-28 | rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59168592U JPS59168592U (en) | 1984-11-12 |
| JPS645101Y2 true JPS645101Y2 (en) | 1989-02-08 |
Family
ID=30194927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6474383U Granted JPS59168592U (en) | 1983-04-28 | 1983-04-28 | rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59168592U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5294719B2 (en) * | 2008-06-17 | 2013-09-18 | 三菱電機株式会社 | Rotary compressor |
| CN107406719B (en) | 2015-03-13 | 2020-07-03 | 大金工业株式会社 | Coating composition and coated article |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477316A (en) * | 1977-12-02 | 1979-06-20 | Nippon Piston Ring Co Ltd | Manufacturing method of drive shaft for rotary compressor |
-
1983
- 1983-04-28 JP JP6474383U patent/JPS59168592U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5477316A (en) * | 1977-12-02 | 1979-06-20 | Nippon Piston Ring Co Ltd | Manufacturing method of drive shaft for rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59168592U (en) | 1984-11-12 |
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