JPH0274589U - - Google Patents
Info
- Publication number
- JPH0274589U JPH0274589U JP15396188U JP15396188U JPH0274589U JP H0274589 U JPH0274589 U JP H0274589U JP 15396188 U JP15396188 U JP 15396188U JP 15396188 U JP15396188 U JP 15396188U JP H0274589 U JPH0274589 U JP H0274589U
- Authority
- JP
- Japan
- Prior art keywords
- drive shaft
- regulating body
- contact
- hermetic compressor
- spherical 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 2
Description
第１図は本考案にかかる密閉形圧縮機の要部を
示す断面図、第２図乃至第６図はそれぞれ他の実
施例を示す断面図、第７図は同圧縮機の全体構造
を示す縦断面図、第８図は従来例を示す断面図で
ある。
１……密閉ケーシング、２……モータ、２１…
…ステータ、２２……ロータ、３……圧縮要素、
３Ａ……偏心部、４……駆動軸、４１……テーパ
部、４２……球面溝、４３……給油通路、５……
軸受、６……規制体、６１……傘形ベアリング、
６１ａ……転動体、６２……球面、６３……ホル
ダー、６３ａ……球面溝、６４……球体。
Fig. 1 is a sectional view showing the main parts of a hermetic compressor according to the present invention, Figs. 2 to 6 are sectional views showing other embodiments, and Fig. 7 shows the overall structure of the compressor. A vertical cross-sectional view, FIG. 8 is a cross-sectional view showing a conventional example. 1... Sealed casing, 2... Motor, 21...
... stator, 22 ... rotor, 3 ... compression element,
3A... Eccentric part, 4... Drive shaft, 41... Tapered part, 42... Spherical groove, 43... Oil supply passage, 5...
Bearing, 6...Regulating body, 61...Umbrella bearing,
61a...Rolling element, 62...Spherical surface, 63...Holder, 63a...Spherical groove, 64...Spherical body.
Claims (1)
ータ２２をもつモータ２と、該モータ２の駆動軸
４に従動される偏心部３Ａをもつ圧縮要素３とを
内装し、前記モータ２の圧縮要素側に設ける軸受
５を介して前記駆動軸４を支持するようにした密
閉形圧縮機において、前記モータ２の非圧縮要素
側に、前記駆動軸４の端部に当接して、該駆動軸
４の径方向変位と軸方向変位とを規制する規制体
６を配設したことを特徴とする密閉形圧縮機。 (2) 駆動軸４の規制体６に対する被当接部が、
該駆動軸４の軸端に突設するテーパ部４１であり
、又、前記規制体６が、前記テーパ部４１に当接
する転動体６１ａをもつ傘形ベアリング６１であ
る請求項１記載の密閉形圧縮機。 (3) 駆動軸４の規制体６に対する被当接部が、
該駆動軸４の軸端に凹入する球面溝４２であり、
又、前記規制体６が、前記球面溝４２に当接する
静止した球面６２を先端に備える請求項１記載の
密閉形圧縮機。 (4) 駆動軸４の規制体６に対する被当接部が、
該駆動軸４の軸端に凹入する球面溝４２であり、
又、前記規制体６が、前記球面溝４２と、ホルダ
ー６３に形成する保持用球面溝６３ａとの間に回
動自由に介装される球体６４を備える請求項１記
載の密閉形圧縮機。 (5) 駆動軸４の内部に、給油通路４３を形成し
、該給油通路４３を前記駆動軸４と規制体６との
間の接触部に開口している請求項１〜４いずれか
一記載の密閉形圧縮機。[Claims for Utility Model Registration] (1) A motor 2 having a stator 21 and a rotor 22, and a compression element 3 having an eccentric portion 3A driven by a drive shaft 4 of the motor 2 are housed in a sealed casing 1. In a hermetic compressor in which the drive shaft 4 is supported via a bearing 5 provided on the compression element side of the motor 2, an end portion of the drive shaft 4 is provided on the non-compression element side of the motor 2. A hermetic compressor characterized in that a regulating body 6 is disposed in contact with the drive shaft 4 to regulate radial displacement and axial displacement of the drive shaft 4. (2) The part of the drive shaft 4 that comes into contact with the regulating body 6 is
2. The closed type bearing according to claim 1, wherein the drive shaft is a tapered portion 41 protruding from the shaft end of the drive shaft 4, and the regulating body 6 is an umbrella-shaped bearing 61 having rolling elements 61a abutting the tapered portion 41. compressor. (3) The part of the drive shaft 4 that comes into contact with the regulating body 6 is
A spherical groove 42 recessed in the shaft end of the drive shaft 4,
The hermetic compressor according to claim 1, wherein said regulating body (6) has a stationary spherical surface (62) at its tip that contacts said spherical groove (42). (4) The part of the drive shaft 4 that comes into contact with the regulating body 6 is
A spherical groove 42 recessed in the shaft end of the drive shaft 4,
The hermetic compressor according to claim 1, wherein the regulating body 6 includes a sphere 64 rotatably interposed between the spherical groove 42 and a holding spherical groove 63a formed in the holder 63. (5) An oil supply passage 43 is formed inside the drive shaft 4, and the oil supply passage 43 is opened at a contact portion between the drive shaft 4 and the regulating body 6. hermetic compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15396188U JPH0274589U (en) | 1988-11-26 | 1988-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15396188U JPH0274589U (en) | 1988-11-26 | 1988-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274589U true JPH0274589U (en) | 1990-06-07 |
Family
ID=31430264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15396188U Pending JPH0274589U (en) | 1988-11-26 | 1988-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030083808A (en) * | 2002-04-22 | 2003-11-01 | 엘지전자 주식회사 | Rotary comrressor |
| KR100459450B1 (en) * | 2002-04-22 | 2004-12-03 | 엘지전자 주식회사 | Crankshift support device for rotary comrressor |
-
1988
- 1988-11-26 JP JP15396188U patent/JPH0274589U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030083808A (en) * | 2002-04-22 | 2003-11-01 | 엘지전자 주식회사 | Rotary comrressor |
| KR100459450B1 (en) * | 2002-04-22 | 2004-12-03 | 엘지전자 주식회사 | Crankshift support device for rotary comrressor |
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